Sc ALE WORLD CHAMPIONSHIPS es motorized grinder located within used loading passengers about 800 feet $ t few feet terminals main entrance terminal distance between Paris July 28Radio Control flights made anthe two areas activity made difficult immense concrete paved area formerlyproperly report both events RC such excellent weather lightly-loaded planes could effectively compete heavier models Australians took top two places Radio Control event USSR team again victori ous Control Line EBob Dolly Wischer HISTORIC LeBOURGET Airport Paris Musee de LAir scene Eighth Scale World Championships Radio Control Control Line airplanes Models displayed inside old ter minal building late 1930 era seen no airline activity since traffic diverted Charles De Gaulle Orly Airports building presently being renovated receive aircraft museum will transferred Chalais-Meudon within next year Concrete dust stirred thousands visitors feet coated models constantly during week stay LeBourget Airport remains use freight operations mostly jet aircraft few monster prop-driven Boeing Guppy conversions add interest area flights along edge field adjacent museum separated full-scale operations half mile Control Line circle its concrete joints polished smooth 84 Model Aviation First place H won David Masterton Australia all-metal-covered DeHavil land Drover trimotorwith Enya 40 four-stroke Washout 7 makes ultra-stable flight Another Australian won second place RC Warwick Gregory wIth Avro 504K WW era Covering Silkspun Coverite finished cleardope enamei finaily clear overcoat landing gear includIng tail skid sprung Photos authors area row extremely tall light poles along side near spectators space some pilots found intimidating Actually airplane flying near poles would have maneuver disqualified flying above spectators behind deadline Organization meet adequate contestants accommodated single modem hotel located about 1 miles airport Breakfasts dinners served hotel entire group occasions contributed general mixing nationalities Lunches served dining room airport terminal building Except typically light French breakfasts feeling being too well fed plenty water dont drink wine meal Seventeen nations competed 40 airplanes entered RC 18 CL competitions large number RC entries 40 being flown three days meant strict discipline needed followed flight line because set ofiudges used both static flight Control Line oper ations conducted leisurely pace Fortunately weather three days absolutely perfect having quite warm temperatures almost complete absense wind during day lack wind have considerable effect final results aircraft equal chance regardless wing loading As expected RC models having advantage high bonus applied flight scores placed high standings dozen entries having 5% bonus highest placement 17th position However two 30%Left Handmadefibergiassspinnerswere required toget Skip Masts Lockheed Ilerculesdowfl required weight making hand starting necessity Fiberglass also used cowls naceiles wheel blisters gear doors Right RC Sopwith snipe Englands Peter McDermott features rotating dummy engine exhaust-driven mounted large heavy bail bearing extra nose weight flights end prop stops engine continues spin Undercambered wings covered nylon finished dope Humbrol paint Left Drulne Turbulent 0-31 byJosef Mayer Germany 151/4 scale Engine HB 60 Robart pump Covered Ceconlte 111gm Nicolo Saittones 1/4-scaie RC Stits Playboy covered Solartex 71/2 lb lightest model event Webra 60 power November 1984 85 US Scale Team LR Cliff Tacle Citabria Jeff Perez Boeing B17 Dolly Wischer team manager Ron SearsStearman PT-i 7 John Guentherasst team manager Clayton Skip Mast Lockheed Hercules Bob Underwood Alcor Mike Gretz Ziln Akrobat bonus entries low static scores effectively dropped out running Because higher bonus applied multiengine aircraft incorrectly assumed single-engine models disadvantage Six top 10 single engine US Control Line team consisted Mike Gretz Zlin Akrobat 526 Ron Sears Stearman PT-17 Jeff Perez Boeing B-17 Fortress Radio Con trol Bob Underwood Alcor C6l Skip Mast Lockheed Hercules C-i 30 Cliff Tacie Bellanca Citabria Dolly Wischer team manager John Guenther assistant John living Paris summer speaks French played important role communica tions lone US judge Andy ber Control Line competition Preparation World Championship has taken new meaning result lessons learned Paris RC Austra lians won first second placeslargely because well prepared Australian team arrived Paris week early practice model burned gallons fuel local club field Winner first place David Masterton professional pilot flying model deHav illand Drover 1953 trimotor practice airplane all-foam construction covering also trimotor Its appearance simply awful us would hesitate seen its presence model served its purpose Daves preparations continued through com petition flight arrived flight line check list stopwatch item tool needed spare part ac counted definite place flight itself may have less perfect static score highest Five competitors better flights lower static scores end second round first place securely grasp no need fly final round unless near competitor made exceptional flight static scores posted rush examine Daves Drover much detail admire Structure balsa 1/16-in sheet cover sanded 1/32-in thickness completely covered alumi num alloy sheet 0035 thickness specially rolled maximum hardness aluminum easily damaged handling fastened balsa contact adhesive except along panel stroAmlot ncw iuaiurw ngnIy-awanua manaing guar witn guam operating UflOCK struts six iineswmtn electric gearretraction - -working flatches wired spark plugs its dummy engine Assembly atter snipment Tour-flour task Hignt Brian Taylors latest design Bristol Beaufighter 79-In span uses pair Enya 40 four-stroke engines Finish Brians usual lightweight tissue banana oil base Humbrol paint applied over placed seventh 86 Model Aviation iways contenuer MICK hleeves newestaesmgn ass Hawker Hurricane MKW Engine cool ing air comes radiator under wing small gap behind spinner Mick British team member proved WW ii fighter can flown true scale speed edges epoxy used Rivet detail embossed individual panel rear tooling obtain uniform impressions Although detail complete respects model no retract ing landing gear working oleo landing gear used springs addition rubber com pression dougimuts Knowing past experience all-metal airplanes may have radio reception problems asked Dave whether model affected answered JR equipment wasnt susceptible signal loss metal air plane Dave solved instability situation sharply-tapered wing adding 70 washout no reason doubt angle very easily visible Another feature contributed stability models light weight 106 lb its 7-ft wingspan Three Enya 40 four-stroke engines provided excess power prove single-engine airplanes re main contention World Champion ships Warwick Gregorys entry WW Avro 504K 72-in span weighing 1025 lb Its light wing loading wasnt detrimental very low wind velocities LeBourget model qualified 25% flight bonus 10% came Avro having pre-1914 design Actually 504K built after 1914 interpretation bonus rule brought about protests some teams jury decided rule should interpreted mean airplane designed before 1914 model would have finished seventh place benefit jurys ruling Look clanrun uu.u tun S. an. ra.j.iv wan CA. alt, uuflib drop trwa dive speCtuumairare tWlflSkwumu nunwas CL British ently wunt kept low tissue covering lightiy-uppzitid Humbrol paint tvu-pun polyurethane top coat November 1984 87 Ultra-quiet Salto 45 four-strokes Bob Underwood-u uur uru wuu ig ing gunurulnu Balsa structure covered -oz glasacloth K&B resin finished biackauto enamei fication rules future Gregory built model David Bodding tons drawings modifications including undercambered scale airfoil extra 5% bonus truly unusual entries Le auter uu uuuuuyuu uwi aug uuuuu uaouuu nuipau .selage nose cockpit ma mu authentic 1/4-suau RC Sopwlth Tabloid Italys Carto achieved high flight scores Full results Competition Newslettersection issue Bourget Bob Underwoods twin-en gined Alcor attracted commensurate attention US model could possibly have overtaken Austra hans first place Weak landing gear legs tended partially collapse cause nose-over landing prevented accum ulation high K-factor landing scores Higher scores landings could easily have added 11 points needed move Bob second mere two-tenths percent Better landings Bob could also have forced Masterton make thirdround flight preserve hold first place remainder Bobs flights usual job extremely smooth precise flying Alcors two Saito 45 engines notably quiet extent judges complained inability determine whether engine throttled during Bobs single-engine flight option As far known single-engine operation never elected flight option FAI RC Scale its two engines close fuselage centerline built-in out-thrust configuration ideally suited singleengine operation control compen sation model also does excellent job maintaining true scale speed small change airspeed detec ted engine throttled no loss control engine spite planes 13-lb weight Control Line Scale two con tests determine Soviet competitors would take first place other other plane covered silk fuselage silkapan wings Right Polish trainer TS-8 Bles CL entry Stephan Left highest CL flight score made Mike Greta electronically-controlled Zlln 526A 71 -ln-span acrobatic Petrov Bulgaria fine aluminum foil finish didnt help Petrovs static score turned out lowest contest Left Norwegian Vidar Tolfsens RC OH Tiger Moth seriously overweight 146 lb its four-stroke engine Enyn 90 Right illfated RC Fokker F VII byGraham ireland Canada never fly An overweight condition forced modifications kept grounded 88 Model Aviation First place CL Scale won Vladimir Fedesov right Antonov AN-28 turboprop airliner uses pair 60 bevel-gear-drive engines fit confines its tiny nacelies entrants Vladimir Fedosov Valery Kramarenko Antonov AN-28 AN-26 twin-engined aircraft looking ever professionally built placed first second models used bevel-geardrive 60 engines first seen 1974 fit turboprop nacelles Antonovs engines entirely trouble-free Fedosov lost outboard engine flight considerable engine testing certain future flight comple lion models use line control flaps retracts throttle prop pitch reversal latter demonstrated backing airplane end flight after taxi maneuver Kramarenko also has three landing lights actuated wheels lowered very rich setting outboard engine third highest-scoring flight props refused reverse Third-place winner Vladimir Boulatnik ov used Webra 61 Air biplane late- 1920 era Control digital two steel cables pair wires carry signal first giance model ap peared powered four-cylinder aircooled engine exposed rocker arms its finned heads actually dummy mounted horizontally underneath Blackburn Cirrus engine belt-driven close scrutiny whole airplane valve mechanism Webra found unusually well detailed Left Vladimir Bouiatnikov ready install belt-driven dummy Blackburn Cirrus Webra 60 CL Air biplane Excellent detail visible strut wire fittings Right Boeing B-IT Fortress Jeff Perez flown its second CL World Champion ships TB-in -span bomber has two-piece fuselage comes apart wing trailing edge allow more-manageable shipping box Left Carlo Mapelils RC Smith Minipiane uses geared OS 60 61 -in-span bipe Vs scale finished actylic lacquer over Fab ricote Right Loch Podgorski Poland has competed manyCL World Championships HisTupolevTU-2 WW ii bomberis heavyat 15 lb November 1984 89 Swiss contestant Konrad Oetiker flown /4-scale Bucker Jungmelster previously 1982 World Championships Reno Engine subsequently changedtoa Salts 1 2ofourstroke Finish Solartex two-part auto paint Six top seven used four-strokes rigging wire terminated perfectlyformed clevis pre cisely like others indicating parts made programmed ma chine tool methods expected marks amateur-built products absent three Soviet airplanes Boulatnikov made complete flight Engine operation seemed marginal Webra hard pressed maintain flight large heavy biplane An interest ing feature Air its animated pilotwho turned head saluted model stopped directly front judges No comments heard judges effective ness maneuver scoring Jerzy Ostrowski now engaged home-built movement native Poland returned yet another World Champion ships famous Lockheed P-38 Lightning model now looks better ever after having rebuilt following devastating crash nearly wiped out masterpiece Engine trouble two Supertigre 60s due lean runs brought about serious problem second flight engine failed model proved incapable sustained altitude engine After several descending laps landing gear failed extend due tangled lines P-38 landed hard its belly tank absorbed impact Lightning drops bomb diving quite steeply hazardous maneuver model barely has time recover descent Mike Gretz highest placing US en trant overcame low static score mak ing highest scoring flight Control Line event boost himself welldeserved fifth-place finish Mikes Zlin Akrobat 526 has extremely smooth control digital equipment control box mounted Mikes belt operated left hand right used elevator Optional demonstrations include flaps throttle air-operated landing gear Zlin Sig kit prototype Chris Bradford England has reliable model Nieuport 17 proved himself experienced skillful pilot model has appearances battle-weary relic WW Its nylon covering material has dyed English tea produce true antique finish Its weathered demeanor may have carried bit too far static judges obvi ously impressed streaked oil smudges proper places dummy engine came Williams Bros model originated VK kit once flown RC its controls could converted back RC desired weight 56 lb HP 61 engine easy task performing flight maneuvers ordinarily seen CL Scale Chris performed smooth round loops started finished same altitude Nieuport finished surprising sixth place Ron Sears competing first World Championships enjoyed minute except tummy butterflies before flight mentally practiced flight routines continuously midnight excitement pre cluded sleep Posted static scores broight attention models high quality Ron benefitted static judges desire examine models closely surface texture craftsmanship scale detail Although rule book states specifically three items judged meter 39 distance judging actually done zero distance model touched ascertain its surface texture also done RC static judges Ron nothing fear such close encounters Coverite Ran dolph dope finish could withstand close scrutiny flight Rons Stearman strict ly non-aerobatic 12 lb carried Supertigre 60 engine Jeff Perez entered second World Championships first having Kiev Soviet Union two years previously model same Boe ing Fortress 0S 25 enginesreli able stable flight suffering same low static score first flight best last ended damaged landing gear However single good 90 Model Aviation DH Comet uroavenor House cnoice o uwiss compeuior nanurusa Lelmer RC pair four-stroke 05 40 engines powers 88-in-span McRobertson racer Chris Bradford ngiana soaKea ins nyion covering Nicuport 17 tea week dye fabric dummy engine came Williams Bros model itself VK kitconverted RC ck documentation OH 869 Rapids Express kept static score low though him ta among tne best nes gave stabie flight heiped 4 oz nose weight Right Canadas CL entry V splane Bill Logan , ,erlte exceptforthe siuminum nose section Hobbypoxy Scoring CL models doesnt includes compiexity bonus flight enough place US team second position final standings satisfying conclusion meet Jefts 78-in-span Boeing finished Aero Gloss dope over silkspan silk compound curves impregnated poly ester resin insignia painted An unfamiliar aircraft Heinkel HE 219 AZ Ron Truelove England very large model 81-in wingspan weighing 144 lb its two engines Irvine 40s Flaps retracting gear throt tles drop tank electronically controlled Returning RC competition des cription better models order Konrad Qetiker Switzerland Bucker Jungmeister 1 33C -scale size finished fourth place 126-lb aero batics trainer used Saito 20cc four-stroke engine Hansruedi Zeller deHavil land 88 Comet racer finished fifth place used pair 05 40 four-stroke engines combined efforts two gave Switzerland Team Championship RC Scale nothing exceptional about either Swiss planes Both large near FM upper weight limit both powered four-stroke engines six top seven RC models impressive statistic especially view fact 12 40 airplanes four-stroke-powered RC Mick Reeves England competing eighth World Championships includes date aircraft Hawker Hurricane Mik 2C Engine cooling air entered through radiator beneath center wing carried forward duct work flow over cylinder Enya Continued page 176 Left metal identical its prowtype xne Lri rr IrucKeI iwin Cnuriuu LUV ui uuu pair OPS 408 buried inside dummy cylinders Tuned pipes authentic Right Wim Reynders Belgian Standoff winner ai numb two years ago less successful Spitfire Mk 14 Paris Finish tissue banana oil Poiycoat paint rubbed fora metal finish Only air intake gap behind spinner November1984 91 Near perfection lathe best description Valery Kramarenkos CLAntonovAN-26 Specially made horizontal-cylinder engines use bevel gears drive reversible-pitch propellers LCfl norsemn reaursen OT Idorway prepare mis RC Spitfire Mk 14 5Lu1IIjuuu5I 1 Right Philip Avonds Belgian air force pilot regularly flies F 68-in-span Mustang finished epoxy has toggled sequential gear doors uuiuru u drop tank ScannerlMare Continued page 173 available space will Notice sketch schematic wiring dia grams attenuator Install switch out circuit High knob down Low About 30dB attenuation obtained use allow monitor strong nearby signals switch attenuator collapse antenna Remember though makes scanner less sensitive weak out-of-the-area inter ference Periodically activity permits attenuator should switched out antenna extended check possible incoming interference Crystal Holder Now youve got -SCALE DOCUMENTATION SCALE DRAWINGSMODEL PLANS PHOTOS BOOKS EPLA TECH 1984 AIRPLANE N ERNA ONA CATALOG48500 MC KENZIE HWY $300VIDA OREGON 97488 SILICONE tr ID 062 092 125 U S POST 10 foot coils TUBING S/coil 235 265 3 2554 CO L [ LARRY DODGE ERG INC 10210 MANNINGSTILLWATER MN 5508 NOSTALGIC FLYING NEW VERSION OF ORIGINAL CHRISTMAS CARD TRU-FLITE MODEL FROM THE PAST reje When,. Pesos to, 40s Solids isto en eSeol,telv SeeottI tflee Model ttStOoOeI I5eo5 ~ oo~s Note usa GeetssteetetoIy dose 0e 24 Istshensekpe3 p2495 Box S2mn Rosaville MI 48066 TORK-STARTER $2995 Charger 11 tV 220V 1 2V Fast Charger $2095 Without Charger CHARGERS $1295 Charger Only Ill OV 220V 1 2V Past Charger 301 464-2260 nice new modern plug-in crystal attenu ated scanner youll getting complete set crystals go youll need way store transport identify May suggest Deluxe RC Crystal Caddy after brown bag has no class caddy started life off ubiqui tous plastic sandwich box snap-on cover nearest food store come sizes shapes choice Superseal #3427 nationally avail able however similar will onehas inside dimension 5%-in square insert based use another size merely adjust outside dimensions insert ac tual crystal holder youll need piece plastic least Y16-in thick Measure mark off material per diagram drill 36 holes required #56 bit exact crystal pin spacing 192 rather difficult lay out fractional scale accurate set pair dividers right dimen sion using crystal pins guide mark hole spacing labels crystal holder cut Airtronics Frequency Card can have asking order crystals Apply some thin double-sided tape rear card before cut out individual labels find Sonic-Tronics Crazy Tape excellent other modeling chores Keep protective covering until youve trimmed labels size trimmed drilled labeled crystal holder secured case sticky tape piece foam rubber attached cover keep crystals place during drive field Neat huh Cars boats Basically weve treated update aircraft frequencies since primary RC interest However scanner works equally well 75 MHz car boat frequencies can convert channels either methods described Air tronics does have Crystals hand same price correct labels found other side card Tuning future time feel scanner losing sensitivity first thing after verifying batteries good shape check tuning photos y5TE Easy use part no mix paint system No mixing No waiting Fast drying extremely fuel proof Formulated just modeler covers surfaces paints resins Send free instruction brochure BUY IT YOULL LIKE IT SIG MFG COMontezuma IA 50171 shows proper spots PC board whici can pick up modulated waveform thl detected output Tuning should done tin middle band using antenna-down trans mitter some distance away signal source Adjust RF IF transformers maxi mum signal scope Physically lo cated line starting vicinity antennl input towards center unit Crystals once again Airtronics has graciousl agreed furnish sets new frequency crys tals special prices duly registered plane boat car clubs Included also packagt will some molded crystal caps bt used originally-installed crystals whict have Write Airtronics curren information meantime isnt nice know thal something own thought ha obsoleted technology can updated tc fly again Parts update As writing two types ol crystal sockets erroneously listed HC-1S crystals must HC-25 made former cataloged Semi conductor Surplus 2822 North 32nd St Unit 1 Phoenix AZ 85008 priced 504 actually two $100 have sia minimum also always list lot useful items getting order level difficult Ask check catalog Scale WClWlschers Continued page 91 90 four-stroke Air made its exit through dummy exhaust stacks method could successful Englands cool weather high temperatures existed during three flying days Le Bourget Mick cooling problems noticeable loss engine rpm engine spaced back 15-in shaft extension model weight 129 lb meant engines full output needed maintain flying speed Mick con centrated using enough power result speed scalelike Features model handmade aluminum wheels tires molded Devcon RTV compound paper covering over balsa structure Hobbypoxy finish over dope-and-talc filler Brian Taylors Bristol Beaufighter second-highest static score along flight reasonably high quality As can expected Brian model exceptional Surprisingly 176 Model Aviation r Rk MFG OF NI STARTER $2995 Charger PLEASE SPECIFY WHICH CHARGER WHEN ORDERING TORK-STARTER revolutionary concept power 15V glow plugs model cars boats air planes using glow fuel engines TORK-STARTERITMI has steel wrench strong enough reduce compression easier starting ft supplies power vhII dolag comes new CIlO charger has LEO indicate unit charging also has removable T handle can used Torque amplifier Over 50 consecutive starts full charge rechargeable hundreds times Clips Onto plug positive connection Send ad along pre-paymens receive free shiooino handlino 12721 HASKELL LANE BOWIE MARYLAND 20716 L STICK&TISSUEMODELSFOAM SCALE ARE GREATMODELS new sheet foam bailds easier-Peanuts difference youll enloyat& Up lowest cost Several scale de signs available antique des sic warbirds 6 homebuilts Send $1O0forlatestplanslistfoam-samples discount coupon etcflex 652AM GETAFREECO-2MOTORSt CreSt Falls SW 54024 LMP 1000 LMP 1000 ultra light sport glider designed perform light heavy slope conditions Aileron elevator controls combined size weight airfoil makes ideal airspace limited kit includes quality balsa hardware rolled plans need glue covering radio Wing Span 41 Wing Area 275 sq Length 285 Flying Weight 1314 oz Wing Loading 6575 oz/sqft Two Channel Radio Mini Servos 250 MAH BATT $2500 includes shipping UPS COD cash money order CA ales tax Dealer Inquiries Invited LINDSEY MICRO PRODUCTS 160A N Fairview Ave Suite 104 Goleta CA 93117 y engines inside cowlings rge airplane 79-in wingspan Brian sd kept weight down 12 lb using special covering method banana oil ver light tissue topped off Humbrol aint Skip Masts Lockheed C-130 Hercules tracted maximum attention ights general disbelief trge four-engine model foam construc could kept under 6 kg FAI eight limit Models weighed first efore static judging super-accurate igital-readout scale Skips Herc reighed again after flight Bob Inderwoods Alcor re-weighing rocess meant bit fuel needed removed tanks certain f being under limit re-weighing somewhat irritating implied sus ected dishonesty part US am members Actually weighing f C-130 little less reviously perverse attitude also vident Skip lost bonus oints because engine quit about iidpoint second flight rule garding loss bonus isnt clear ngth time engines must operate i addition officials ruled Skip iould lose landing gear retraction nus Team Manager Dolly Wischer ar ied unjustified ints retraction returned after ard rule clarification regarding required ngth engine run should forthcoming Jean Rousseau France chose model subject push-pull twin-en ined Moynet 360 Jupiter prototype thich display nearby mu eum model balsa structure imost entirely covered thin alumi um sheet five airplanes ompetition metal exteriors Coin ound-curve sections glass poly ster resin Eleven servos used ontrol airplane destroyed entered near-vertical dive high Ititude long range serious crash f meet Conjecture cause tcluded radio link problems udible erratic throttle servo least ugine also suspected midair hanical failure structure Another uncommon French entry Colomban Cri Cri Cricket Charles Levy truly all-metal model built scale 1/24 other words slightly less half size prototype all-metal twin-engined aerobatic singleplace monoplane using tiny two-stroke en gines tuned pipes have seen airplanes action Oshkosh performing spectacular canopy-to-canopy maneuvers model powered pair OPS 40s hidden within dummy single cylinders all-metal twin weighing 599 kg 132 lb span 78 typical example model built up limit FM specifications Cliff Tacies 68-in-wingspan Bellanca Citabria smaller airplanes compete substitute crashed Spezio TuHoler model down graded flight realism because its small size made appear fly fast relative larger models Cliff made effort final flight slow airplane boost realism score smcothness increase low score four five Contestants given copies score sheets also permitted see sheets Only team managers permitted examine score sheets Dolly made handwritten copies flights keep fellows informed help improve low scores other World Championships score sheet dupli cates marked judges available contestants Paris organization fair communications second-rate respect French organizers excelled Score totals standings given out dinnertime evening including flight totals bonus well static scores couple Canadian entries particular interest four-engined deHav illand DH86B Rapide Express Steve Gray OS 20 engines 8-ft span another models built maximum allowable weight 30% bonus applied Steve secondhighest flight meet very accom plished pilot ffies Canadian Spruce Goose regularly DH performed well near scale speed model execute chandelle properly maneuver reserved non-aerobatic aircraft Steves documentation sadly lacking reflected static score about 1000 points too low Added information could easily make DH winner other notable Canadian entry Graham Irelands Fokker F VIIA trimotor first weigh-in model found 4 oz overweight Graham immediately set work replacing its heavy wheels New 4-in-dia wheels turned balsa plywood disc center core using Continued page 180 November1984 177 ACK-U-VOLT Digital DC Voltmeter Kit 3 Dinit LEDAiuwjsne Con - 0-999 & 5-999 stes Case ttsck Andind noih toolsInpos & Clot CabIns NiCd 50tna batsns 55f Test could valuable item flight bos No need guess hatteries need charged Atno valuahle voltage monitor quick charging Simple build simple use 3 digits shows yoa what battery voltages somply psessing switch places load hat 4tery no question charge Special lens fitte makes easier read sunlight HOLD switch holds display input moved handy wish record values later 4sose Charge 45 5lma charger 4 T TAKE CNANCEOETANACK-U-VOLT belier product modeler H8N ELECTRONICSosn,nom 44 nurnrAuOn 5*300no coo FULL SIZE PLANS No 457 Spectra$ 700 RC Electric-power craft uses three different wings Soaring Aerobatics plain Sport flying Use 05-size motor 6-8 cells Dauntless$ 575 CL Profile Carrier 15-power events Two sheets Sky Pursuit $ 300 FF Old-Timer Rubber power 1932 Joe Ott-designed Spans 23 No 458 No 459 Na 182SUIutta ci Stunt model McDonald winner 1 9761980 1982 FAI World Champs$ 375 Na 228Ole Ralable AC 70 version 38 old-timer REM contrnls 1 9-25$ 425 Ne 239Blue Blade AC Ken Willards tormotino plane 4-channel 10-power$ 375 Na 262Creshasaxtar CL Crash-proof trainer two sizes1 5-30- 35-40-power$ 125 No 299Baa Bee Sr Speetatar AC A-scale hy Haffke 91 power Prototype upon 30ff Two-and-a-halt sheets$1175 Na 302MIat F16 AC Sarpolos 049 docted fan upon flier 2-channel Balsa wingo fail fuse structore$ 275 Ne 3101930 Flael BItilam AC Sport Scale 35-40 4-channel Wingspan 56 scale Two sheets$ 625 Na 314Drake t AC Ken Willards flying hoot 3-channel 15-power Fly fond removahle gear$ 375 Na 326Taytar Cab AC Don Srolrs Schoolyard-Scale 049o 2-3 channel Spans 50 in-$ 350 Ne 332Zepliyr AC Small 2-channel glider hand-launch tow thermal slope soaring$ 200 Ne 343Wasp VI FF Mike Stays Nuts-winning Outdoor l-ILG$ 100 Na 348Onaslap AC Trainer han very forgiving flying qualities Three-channel 1 0-25-power$ 425 Na 354Naityc AC Giant 155-In upon Sailplane ones 3 AC channels$ 750 Na 388Plecas PF Indoor Easy B Aubher-power contest-winner hy W Van Gorder$ 100 Na 362SaparciE AC Half-A Pylon Aacerlsport flier Aileron elevator Control Foam wing$ 2 00 Na 385Sasmialar AC Willards 40-size flying hoot f 4-channel Strap-on gear landplaeel Two sheets$1100 Ne 383Camate 82 AC Fly sloak Nats-winniog Sailplone AMA Mnd Std Unlimitnd classes$ 7 50 Na 386Laser 208 AC Sport Scale replica championship Aerohahc flier Uses 40 power 4-5 channel Two sheets$1 075 Na 383yeA Kialed KIag AC Aeduced modernized version 1036 design hA 0ld-Timer- 2 3-channel$ 450 Na 398Baa Baa R1 AC Haffkes latest A-scale spans 75 weighs 15th flies no90 larger Four sheets vs doc$2225 Na 389Zephyr 1100 AC AMA Class B Sailplane 3-channel AC gear$ 675 Na 403Cab Flaatplaae AC Sport Scale 049-1 0-size engines 4-channel AC J-3 floats isa classic$ 650 No 4688a-Velt8n AC elechicpewer sport flier 2-channel 05 mat or$ 650 Na 416Peber Plate AC Scale famous EAA plane 40-power 4-channel Build upon Precision two sheets PIUs doc$1 300 Ne 412Masqatta AC Spon Plane twin uses 10 engines 4-channel AC$ 825 Na 414ElectrIc Sparky AC electdc-pnweredfunflierfor 05 motor 3-channel AC scaled up 1939 rubher-power favorite$ 850 Na 415Nawkar Ituretemee Uk AC Electric-power Sport Scale tori S motor 3-4 channels Two sheets$1175 Na 420Rack 666 FF Competition Class orOfor 1 0-21 power Has variotrle-incidenco fail VIT$ 600 Na 422Scuter AC Two-Meter Sailplane has won Nats event 19821963 plus other contests$ 550 Na 423Cloud Crutaer-2 AC Old-Timer takes 60-power 3-channel AC Two-piece wing option easy transport Two sheets61275 Ne 424Bead Tent FF Embryo Endursoce robber-power float plane has opt losal whools stick-and-f issue delight$ 200 Ne 428ChIal CBpper AC Fatrulous 74-in-span Sport Scale flylflg hoot four 10-size engines 4-channel Three sheets doc 62000 Na 427Prilia PP Travelair Mystery Ship Miss Los Angeles profile all-balsa rubber models sport flyiog 1 7-in-spas$ 200 No429Deer EZ CL Old-Timer Stoat hiplane has profile fuselage uses 25 engine$ 400 No430kanakle AC Zippy little sportster 1 0-1 5 power 3-channel AC$ 400 Ne 431Lackhaad P38 AC Fan-scale twin-1 5-flier f 4-channels Two sheets61300 No432Phuato CL Updated Thunderhird-style Stuofer 35-40 evolves$ 575 Na 433Walls Up AC Electric-powered glider 2-3 channels 035 motor spans 52 0 No434Sly SIr CL IsA foam-wing Combut ship won 83 Nuts Use TO 049-051 power$ 350 No435ThIs N ThaE AC Aerohatic hiplane 40 engineo 4-channels Great spon flying$ 650 No437Klegflaher CL Profile Carrier plane spans 40/s uses 35 engine$ 600 No438CruIser PP Embryo Endurance mhber-power fun ship has trig-model characterishcs$ 200 Na 439Oasperadrc AC flying wing unique negative dihedral flies 4 channels 1 9-40 power Foam wing 50 Ne 446Caesar AC Old-Timer-like new design has huge wing slow easy flights 35 power 3 channels Two sheets$1725 No441NIt WII PF Hot small lightweight campeotion ship far 15 power try designer Harry Murphy$ 475 No 442Lazy Duck AC Big canard sport flier InA-09 power 2 channelo Uses loam heard parts$ 650 No443Turbo Pertar CL Scale 25 power Simple lines oasy truildiog Two sheets $ 675 No 444Flrabelt AC pusher canard sportlpattern uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 Ne 445Nesarttlr Cougar CL Scale model popular homehuilt won Nats Uses 21 engine speos 41 in$ 925 Ne 448La Crete AC Electric-powered upon flier tar 05 motors 3-channels Two versious parasol colon$ 550 No447A Mtee AmerIca AC Old-Timer /sA Texaco model 049 glow 2-channels 0 Na 448Screamts Eaglet AC Partial plan modifying Goidhengs Eaglet kit hotter aerotraucs$ 400 No449Saflue CL Sportitunt plane 40-size 4-stroke engine builds fast easy$ 600 Na 450Icy Boy 74 FF CO-2 power flies 24-in-span replica tomees 1948 long-failed compehhon ship$ 200 No451ElI Blptaea Sealer AC Redesign sleek 1937FF triplane 3-4 channels 29-40 power Two uheets61175 No452Baa Bee L AC Doarter-scale spans 71 in. uses 90 power Four sheets61600 No453Smoefttle Profile CL Profile rendition Botr Palmurs super-Stunter early Fithen 35 power$ 550 No 454Sweet P30 PP Neat shck-and-hsaue Outdoor Aatrtrer P-30-class model contest-winner$ 200 No455lAster Malpa CL Big Scale model famoan air racer spans SB iv onus 60 pewer Two sheets$1 375 No45818-Tech 20111 AC Dacted-fan fufaristic-looking canard fur 25-size engines Built-up conutruchon Three sheets61175 Circle numbers plans wish order 193225239 993023103143263321 343348354358362365383386393398 399403408410412414415420422423j 424426427429430431432433434435 437438439440441 442443444445446 447448449450451452453454455458 I I I NAMEI II STREETI II oms II STATE _______________________ ZIP _______________________ II I 457458459 Prtce includes fIrst-class postage within US Fir aNita intslim Its US. please add $250 Air Mail 5125 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivefy Please print carefully Enclosed _____________________________________ electric drill lathe painted wheels looked bit good rubber-tired rejects Weight model reduced just under 6 kg substitution ever lack resiliency new wheels caused nose-over takeoff Graham didnt complete flight compound difficulties nacelle fuel tanks leaked model excellent quality having dummy engine cylinders cast polyester resin wing completely covered varnished birch veneer original Engines Enya 40 four stroke Incomplete documentation kept Grahams static score quite low success formula FAI RC Scale contests appears model built large possible four-stroke multi-engines weight near top limit Twenty 40 RC entries weighed near 6 kg Three mod els actually over limit indicating desire build right up limit possibly lack accurate scale pre-weighing four-stroke engine has advantage provided properly cooled can swing large diameter efficient propeller sound fourstroke compared two-stroke must surely influence reaction judges Forty entries seems limit can handled single crew five judges future can certainly expect entrants required extra judges will add financial burden organizers Look increased entry fees Judges would prefer several threeview drawings presented avoid con gestion around drawing shorten judging time Insufficient documentation problem some oontestants par ticularly attending first World Championships flown Stand-off events previ ously documentation presented book form data seen disas sembled judges could pass photos around Printed information al oompletely useless judges will take time read anything Near end static judging observed time required plane reduced 20 minutes com pared over half-hour earlier Being judged last advantages Judges viewed top both sides front bottom looked unpainted wheel-well inte roors Because judges touched models may reason change rule specify judges may approach within meter nearest part model Judges seen hold color cards directly against models surfaces intended happen- present rules formulated As mod els judged Paris change previous FAI judging seemed absence actual measurements scale rulers Except shortening time near end static judging models received same treatment 180 Model Aviation 0 0 C --0 cJ 0 CJ 0 C 60 zoo ci 0 -C 0 -- Co ci 00 o -- no -V - Os a -Q 80 C no4 C -V oaoa ea us oak -U no Cc o 00 El1 ow 00 c Os 0 SC S
Edition: Model Aviation - 1984/11
Page Numbers: 84, 85, 86, 87, 88, 89, 90, 91, 176, 177, 180
Sc ALE WORLD CHAMPIONSHIPS es motorized grinder located within used loading passengers about 800 feet $ t few feet terminals main entrance terminal distance between Paris July 28Radio Control flights made anthe two areas activity made difficult immense concrete paved area formerlyproperly report both events RC such excellent weather lightly-loaded planes could effectively compete heavier models Australians took top two places Radio Control event USSR team again victori ous Control Line EBob Dolly Wischer HISTORIC LeBOURGET Airport Paris Musee de LAir scene Eighth Scale World Championships Radio Control Control Line airplanes Models displayed inside old ter minal building late 1930 era seen no airline activity since traffic diverted Charles De Gaulle Orly Airports building presently being renovated receive aircraft museum will transferred Chalais-Meudon within next year Concrete dust stirred thousands visitors feet coated models constantly during week stay LeBourget Airport remains use freight operations mostly jet aircraft few monster prop-driven Boeing Guppy conversions add interest area flights along edge field adjacent museum separated full-scale operations half mile Control Line circle its concrete joints polished smooth 84 Model Aviation First place H won David Masterton Australia all-metal-covered DeHavil land Drover trimotorwith Enya 40 four-stroke Washout 7 makes ultra-stable flight Another Australian won second place RC Warwick Gregory wIth Avro 504K WW era Covering Silkspun Coverite finished cleardope enamei finaily clear overcoat landing gear includIng tail skid sprung Photos authors area row extremely tall light poles along side near spectators space some pilots found intimidating Actually airplane flying near poles would have maneuver disqualified flying above spectators behind deadline Organization meet adequate contestants accommodated single modem hotel located about 1 miles airport Breakfasts dinners served hotel entire group occasions contributed general mixing nationalities Lunches served dining room airport terminal building Except typically light French breakfasts feeling being too well fed plenty water dont drink wine meal Seventeen nations competed 40 airplanes entered RC 18 CL competitions large number RC entries 40 being flown three days meant strict discipline needed followed flight line because set ofiudges used both static flight Control Line oper ations conducted leisurely pace Fortunately weather three days absolutely perfect having quite warm temperatures almost complete absense wind during day lack wind have considerable effect final results aircraft equal chance regardless wing loading As expected RC models having advantage high bonus applied flight scores placed high standings dozen entries having 5% bonus highest placement 17th position However two 30%Left Handmadefibergiassspinnerswere required toget Skip Masts Lockheed Ilerculesdowfl required weight making hand starting necessity Fiberglass also used cowls naceiles wheel blisters gear doors Right RC Sopwith snipe Englands Peter McDermott features rotating dummy engine exhaust-driven mounted large heavy bail bearing extra nose weight flights end prop stops engine continues spin Undercambered wings covered nylon finished dope Humbrol paint Left Drulne Turbulent 0-31 byJosef Mayer Germany 151/4 scale Engine HB 60 Robart pump Covered Ceconlte 111gm Nicolo Saittones 1/4-scaie RC Stits Playboy covered Solartex 71/2 lb lightest model event Webra 60 power November 1984 85 US Scale Team LR Cliff Tacle Citabria Jeff Perez Boeing B17 Dolly Wischer team manager Ron SearsStearman PT-i 7 John Guentherasst team manager Clayton Skip Mast Lockheed Hercules Bob Underwood Alcor Mike Gretz Ziln Akrobat bonus entries low static scores effectively dropped out running Because higher bonus applied multiengine aircraft incorrectly assumed single-engine models disadvantage Six top 10 single engine US Control Line team consisted Mike Gretz Zlin Akrobat 526 Ron Sears Stearman PT-17 Jeff Perez Boeing B-17 Fortress Radio Con trol Bob Underwood Alcor C6l Skip Mast Lockheed Hercules C-i 30 Cliff Tacie Bellanca Citabria Dolly Wischer team manager John Guenther assistant John living Paris summer speaks French played important role communica tions lone US judge Andy ber Control Line competition Preparation World Championship has taken new meaning result lessons learned Paris RC Austra lians won first second placeslargely because well prepared Australian team arrived Paris week early practice model burned gallons fuel local club field Winner first place David Masterton professional pilot flying model deHav illand Drover 1953 trimotor practice airplane all-foam construction covering also trimotor Its appearance simply awful us would hesitate seen its presence model served its purpose Daves preparations continued through com petition flight arrived flight line check list stopwatch item tool needed spare part ac counted definite place flight itself may have less perfect static score highest Five competitors better flights lower static scores end second round first place securely grasp no need fly final round unless near competitor made exceptional flight static scores posted rush examine Daves Drover much detail admire Structure balsa 1/16-in sheet cover sanded 1/32-in thickness completely covered alumi num alloy sheet 0035 thickness specially rolled maximum hardness aluminum easily damaged handling fastened balsa contact adhesive except along panel stroAmlot ncw iuaiurw ngnIy-awanua manaing guar witn guam operating UflOCK struts six iineswmtn electric gearretraction - -working flatches wired spark plugs its dummy engine Assembly atter snipment Tour-flour task Hignt Brian Taylors latest design Bristol Beaufighter 79-In span uses pair Enya 40 four-stroke engines Finish Brians usual lightweight tissue banana oil base Humbrol paint applied over placed seventh 86 Model Aviation iways contenuer MICK hleeves newestaesmgn ass Hawker Hurricane MKW Engine cool ing air comes radiator under wing small gap behind spinner Mick British team member proved WW ii fighter can flown true scale speed edges epoxy used Rivet detail embossed individual panel rear tooling obtain uniform impressions Although detail complete respects model no retract ing landing gear working oleo landing gear used springs addition rubber com pression dougimuts Knowing past experience all-metal airplanes may have radio reception problems asked Dave whether model affected answered JR equipment wasnt susceptible signal loss metal air plane Dave solved instability situation sharply-tapered wing adding 70 washout no reason doubt angle very easily visible Another feature contributed stability models light weight 106 lb its 7-ft wingspan Three Enya 40 four-stroke engines provided excess power prove single-engine airplanes re main contention World Champion ships Warwick Gregorys entry WW Avro 504K 72-in span weighing 1025 lb Its light wing loading wasnt detrimental very low wind velocities LeBourget model qualified 25% flight bonus 10% came Avro having pre-1914 design Actually 504K built after 1914 interpretation bonus rule brought about protests some teams jury decided rule should interpreted mean airplane designed before 1914 model would have finished seventh place benefit jurys ruling Look clanrun uu.u tun S. an. ra.j.iv wan CA. alt, uuflib drop trwa dive speCtuumairare tWlflSkwumu nunwas CL British ently wunt kept low tissue covering lightiy-uppzitid Humbrol paint tvu-pun polyurethane top coat November 1984 87 Ultra-quiet Salto 45 four-strokes Bob Underwood-u uur uru wuu ig ing gunurulnu Balsa structure covered -oz glasacloth K&B resin finished biackauto enamei fication rules future Gregory built model David Bodding tons drawings modifications including undercambered scale airfoil extra 5% bonus truly unusual entries Le auter uu uuuuuyuu uwi aug uuuuu uaouuu nuipau .selage nose cockpit ma mu authentic 1/4-suau RC Sopwlth Tabloid Italys Carto achieved high flight scores Full results Competition Newslettersection issue Bourget Bob Underwoods twin-en gined Alcor attracted commensurate attention US model could possibly have overtaken Austra hans first place Weak landing gear legs tended partially collapse cause nose-over landing prevented accum ulation high K-factor landing scores Higher scores landings could easily have added 11 points needed move Bob second mere two-tenths percent Better landings Bob could also have forced Masterton make thirdround flight preserve hold first place remainder Bobs flights usual job extremely smooth precise flying Alcors two Saito 45 engines notably quiet extent judges complained inability determine whether engine throttled during Bobs single-engine flight option As far known single-engine operation never elected flight option FAI RC Scale its two engines close fuselage centerline built-in out-thrust configuration ideally suited singleengine operation control compen sation model also does excellent job maintaining true scale speed small change airspeed detec ted engine throttled no loss control engine spite planes 13-lb weight Control Line Scale two con tests determine Soviet competitors would take first place other other plane covered silk fuselage silkapan wings Right Polish trainer TS-8 Bles CL entry Stephan Left highest CL flight score made Mike Greta electronically-controlled Zlln 526A 71 -ln-span acrobatic Petrov Bulgaria fine aluminum foil finish didnt help Petrovs static score turned out lowest contest Left Norwegian Vidar Tolfsens RC OH Tiger Moth seriously overweight 146 lb its four-stroke engine Enyn 90 Right illfated RC Fokker F VII byGraham ireland Canada never fly An overweight condition forced modifications kept grounded 88 Model Aviation First place CL Scale won Vladimir Fedesov right Antonov AN-28 turboprop airliner uses pair 60 bevel-gear-drive engines fit confines its tiny nacelies entrants Vladimir Fedosov Valery Kramarenko Antonov AN-28 AN-26 twin-engined aircraft looking ever professionally built placed first second models used bevel-geardrive 60 engines first seen 1974 fit turboprop nacelles Antonovs engines entirely trouble-free Fedosov lost outboard engine flight considerable engine testing certain future flight comple lion models use line control flaps retracts throttle prop pitch reversal latter demonstrated backing airplane end flight after taxi maneuver Kramarenko also has three landing lights actuated wheels lowered very rich setting outboard engine third highest-scoring flight props refused reverse Third-place winner Vladimir Boulatnik ov used Webra 61 Air biplane late- 1920 era Control digital two steel cables pair wires carry signal first giance model ap peared powered four-cylinder aircooled engine exposed rocker arms its finned heads actually dummy mounted horizontally underneath Blackburn Cirrus engine belt-driven close scrutiny whole airplane valve mechanism Webra found unusually well detailed Left Vladimir Bouiatnikov ready install belt-driven dummy Blackburn Cirrus Webra 60 CL Air biplane Excellent detail visible strut wire fittings Right Boeing B-IT Fortress Jeff Perez flown its second CL World Champion ships TB-in -span bomber has two-piece fuselage comes apart wing trailing edge allow more-manageable shipping box Left Carlo Mapelils RC Smith Minipiane uses geared OS 60 61 -in-span bipe Vs scale finished actylic lacquer over Fab ricote Right Loch Podgorski Poland has competed manyCL World Championships HisTupolevTU-2 WW ii bomberis heavyat 15 lb November 1984 89 Swiss contestant Konrad Oetiker flown /4-scale Bucker Jungmelster previously 1982 World Championships Reno Engine subsequently changedtoa Salts 1 2ofourstroke Finish Solartex two-part auto paint Six top seven used four-strokes rigging wire terminated perfectlyformed clevis pre cisely like others indicating parts made programmed ma chine tool methods expected marks amateur-built products absent three Soviet airplanes Boulatnikov made complete flight Engine operation seemed marginal Webra hard pressed maintain flight large heavy biplane An interest ing feature Air its animated pilotwho turned head saluted model stopped directly front judges No comments heard judges effective ness maneuver scoring Jerzy Ostrowski now engaged home-built movement native Poland returned yet another World Champion ships famous Lockheed P-38 Lightning model now looks better ever after having rebuilt following devastating crash nearly wiped out masterpiece Engine trouble two Supertigre 60s due lean runs brought about serious problem second flight engine failed model proved incapable sustained altitude engine After several descending laps landing gear failed extend due tangled lines P-38 landed hard its belly tank absorbed impact Lightning drops bomb diving quite steeply hazardous maneuver model barely has time recover descent Mike Gretz highest placing US en trant overcame low static score mak ing highest scoring flight Control Line event boost himself welldeserved fifth-place finish Mikes Zlin Akrobat 526 has extremely smooth control digital equipment control box mounted Mikes belt operated left hand right used elevator Optional demonstrations include flaps throttle air-operated landing gear Zlin Sig kit prototype Chris Bradford England has reliable model Nieuport 17 proved himself experienced skillful pilot model has appearances battle-weary relic WW Its nylon covering material has dyed English tea produce true antique finish Its weathered demeanor may have carried bit too far static judges obvi ously impressed streaked oil smudges proper places dummy engine came Williams Bros model originated VK kit once flown RC its controls could converted back RC desired weight 56 lb HP 61 engine easy task performing flight maneuvers ordinarily seen CL Scale Chris performed smooth round loops started finished same altitude Nieuport finished surprising sixth place Ron Sears competing first World Championships enjoyed minute except tummy butterflies before flight mentally practiced flight routines continuously midnight excitement pre cluded sleep Posted static scores broight attention models high quality Ron benefitted static judges desire examine models closely surface texture craftsmanship scale detail Although rule book states specifically three items judged meter 39 distance judging actually done zero distance model touched ascertain its surface texture also done RC static judges Ron nothing fear such close encounters Coverite Ran dolph dope finish could withstand close scrutiny flight Rons Stearman strict ly non-aerobatic 12 lb carried Supertigre 60 engine Jeff Perez entered second World Championships first having Kiev Soviet Union two years previously model same Boe ing Fortress 0S 25 enginesreli able stable flight suffering same low static score first flight best last ended damaged landing gear However single good 90 Model Aviation DH Comet uroavenor House cnoice o uwiss compeuior nanurusa Lelmer RC pair four-stroke 05 40 engines powers 88-in-span McRobertson racer Chris Bradford ngiana soaKea ins nyion covering Nicuport 17 tea week dye fabric dummy engine came Williams Bros model itself VK kitconverted RC ck documentation OH 869 Rapids Express kept static score low though him ta among tne best nes gave stabie flight heiped 4 oz nose weight Right Canadas CL entry V splane Bill Logan , ,erlte exceptforthe siuminum nose section Hobbypoxy Scoring CL models doesnt includes compiexity bonus flight enough place US team second position final standings satisfying conclusion meet Jefts 78-in-span Boeing finished Aero Gloss dope over silkspan silk compound curves impregnated poly ester resin insignia painted An unfamiliar aircraft Heinkel HE 219 AZ Ron Truelove England very large model 81-in wingspan weighing 144 lb its two engines Irvine 40s Flaps retracting gear throt tles drop tank electronically controlled Returning RC competition des cription better models order Konrad Qetiker Switzerland Bucker Jungmeister 1 33C -scale size finished fourth place 126-lb aero batics trainer used Saito 20cc four-stroke engine Hansruedi Zeller deHavil land 88 Comet racer finished fifth place used pair 05 40 four-stroke engines combined efforts two gave Switzerland Team Championship RC Scale nothing exceptional about either Swiss planes Both large near FM upper weight limit both powered four-stroke engines six top seven RC models impressive statistic especially view fact 12 40 airplanes four-stroke-powered RC Mick Reeves England competing eighth World Championships includes date aircraft Hawker Hurricane Mik 2C Engine cooling air entered through radiator beneath center wing carried forward duct work flow over cylinder Enya Continued page 176 Left metal identical its prowtype xne Lri rr IrucKeI iwin Cnuriuu LUV ui uuu pair OPS 408 buried inside dummy cylinders Tuned pipes authentic Right Wim Reynders Belgian Standoff winner ai numb two years ago less successful Spitfire Mk 14 Paris Finish tissue banana oil Poiycoat paint rubbed fora metal finish Only air intake gap behind spinner November1984 91 Near perfection lathe best description Valery Kramarenkos CLAntonovAN-26 Specially made horizontal-cylinder engines use bevel gears drive reversible-pitch propellers LCfl norsemn reaursen OT Idorway prepare mis RC Spitfire Mk 14 5Lu1IIjuuu5I 1 Right Philip Avonds Belgian air force pilot regularly flies F 68-in-span Mustang finished epoxy has toggled sequential gear doors uuiuru u drop tank ScannerlMare Continued page 173 available space will Notice sketch schematic wiring dia grams attenuator Install switch out circuit High knob down Low About 30dB attenuation obtained use allow monitor strong nearby signals switch attenuator collapse antenna Remember though makes scanner less sensitive weak out-of-the-area inter ference Periodically activity permits attenuator should switched out antenna extended check possible incoming interference Crystal Holder Now youve got -SCALE DOCUMENTATION SCALE DRAWINGSMODEL PLANS PHOTOS BOOKS EPLA TECH 1984 AIRPLANE N ERNA ONA CATALOG48500 MC KENZIE HWY $300VIDA OREGON 97488 SILICONE tr ID 062 092 125 U S POST 10 foot coils TUBING S/coil 235 265 3 2554 CO L [ LARRY DODGE ERG INC 10210 MANNINGSTILLWATER MN 5508 NOSTALGIC FLYING NEW VERSION OF ORIGINAL CHRISTMAS CARD TRU-FLITE MODEL FROM THE PAST reje When,. Pesos to, 40s Solids isto en eSeol,telv SeeottI tflee Model ttStOoOeI I5eo5 ~ oo~s Note usa GeetssteetetoIy dose 0e 24 Istshensekpe3 p2495 Box S2mn Rosaville MI 48066 TORK-STARTER $2995 Charger 11 tV 220V 1 2V Fast Charger $2095 Without Charger CHARGERS $1295 Charger Only Ill OV 220V 1 2V Past Charger 301 464-2260 nice new modern plug-in crystal attenu ated scanner youll getting complete set crystals go youll need way store transport identify May suggest Deluxe RC Crystal Caddy after brown bag has no class caddy started life off ubiqui tous plastic sandwich box snap-on cover nearest food store come sizes shapes choice Superseal #3427 nationally avail able however similar will onehas inside dimension 5%-in square insert based use another size merely adjust outside dimensions insert ac tual crystal holder youll need piece plastic least Y16-in thick Measure mark off material per diagram drill 36 holes required #56 bit exact crystal pin spacing 192 rather difficult lay out fractional scale accurate set pair dividers right dimen sion using crystal pins guide mark hole spacing labels crystal holder cut Airtronics Frequency Card can have asking order crystals Apply some thin double-sided tape rear card before cut out individual labels find Sonic-Tronics Crazy Tape excellent other modeling chores Keep protective covering until youve trimmed labels size trimmed drilled labeled crystal holder secured case sticky tape piece foam rubber attached cover keep crystals place during drive field Neat huh Cars boats Basically weve treated update aircraft frequencies since primary RC interest However scanner works equally well 75 MHz car boat frequencies can convert channels either methods described Air tronics does have Crystals hand same price correct labels found other side card Tuning future time feel scanner losing sensitivity first thing after verifying batteries good shape check tuning photos y5TE Easy use part no mix paint system No mixing No waiting Fast drying extremely fuel proof Formulated just modeler covers surfaces paints resins Send free instruction brochure BUY IT YOULL LIKE IT SIG MFG COMontezuma IA 50171 shows proper spots PC board whici can pick up modulated waveform thl detected output Tuning should done tin middle band using antenna-down trans mitter some distance away signal source Adjust RF IF transformers maxi mum signal scope Physically lo cated line starting vicinity antennl input towards center unit Crystals once again Airtronics has graciousl agreed furnish sets new frequency crys tals special prices duly registered plane boat car clubs Included also packagt will some molded crystal caps bt used originally-installed crystals whict have Write Airtronics curren information meantime isnt nice know thal something own thought ha obsoleted technology can updated tc fly again Parts update As writing two types ol crystal sockets erroneously listed HC-1S crystals must HC-25 made former cataloged Semi conductor Surplus 2822 North 32nd St Unit 1 Phoenix AZ 85008 priced 504 actually two $100 have sia minimum also always list lot useful items getting order level difficult Ask check catalog Scale WClWlschers Continued page 91 90 four-stroke Air made its exit through dummy exhaust stacks method could successful Englands cool weather high temperatures existed during three flying days Le Bourget Mick cooling problems noticeable loss engine rpm engine spaced back 15-in shaft extension model weight 129 lb meant engines full output needed maintain flying speed Mick con centrated using enough power result speed scalelike Features model handmade aluminum wheels tires molded Devcon RTV compound paper covering over balsa structure Hobbypoxy finish over dope-and-talc filler Brian Taylors Bristol Beaufighter second-highest static score along flight reasonably high quality As can expected Brian model exceptional Surprisingly 176 Model Aviation r Rk MFG OF NI STARTER $2995 Charger PLEASE SPECIFY WHICH CHARGER WHEN ORDERING TORK-STARTER revolutionary concept power 15V glow plugs model cars boats air planes using glow fuel engines TORK-STARTERITMI has steel wrench strong enough reduce compression easier starting ft supplies power vhII dolag comes new CIlO charger has LEO indicate unit charging also has removable T handle can used Torque amplifier Over 50 consecutive starts full charge rechargeable hundreds times Clips Onto plug positive connection Send ad along pre-paymens receive free shiooino handlino 12721 HASKELL LANE BOWIE MARYLAND 20716 L STICK&TISSUEMODELSFOAM SCALE ARE GREATMODELS new sheet foam bailds easier-Peanuts difference youll enloyat& Up lowest cost Several scale de signs available antique des sic warbirds 6 homebuilts Send $1O0forlatestplanslistfoam-samples discount coupon etcflex 652AM GETAFREECO-2MOTORSt CreSt Falls SW 54024 LMP 1000 LMP 1000 ultra light sport glider designed perform light heavy slope conditions Aileron elevator controls combined size weight airfoil makes ideal airspace limited kit includes quality balsa hardware rolled plans need glue covering radio Wing Span 41 Wing Area 275 sq Length 285 Flying Weight 1314 oz Wing Loading 6575 oz/sqft Two Channel Radio Mini Servos 250 MAH BATT $2500 includes shipping UPS COD cash money order CA ales tax Dealer Inquiries Invited LINDSEY MICRO PRODUCTS 160A N Fairview Ave Suite 104 Goleta CA 93117 y engines inside cowlings rge airplane 79-in wingspan Brian sd kept weight down 12 lb using special covering method banana oil ver light tissue topped off Humbrol aint Skip Masts Lockheed C-130 Hercules tracted maximum attention ights general disbelief trge four-engine model foam construc could kept under 6 kg FAI eight limit Models weighed first efore static judging super-accurate igital-readout scale Skips Herc reighed again after flight Bob Inderwoods Alcor re-weighing rocess meant bit fuel needed removed tanks certain f being under limit re-weighing somewhat irritating implied sus ected dishonesty part US am members Actually weighing f C-130 little less reviously perverse attitude also vident Skip lost bonus oints because engine quit about iidpoint second flight rule garding loss bonus isnt clear ngth time engines must operate i addition officials ruled Skip iould lose landing gear retraction nus Team Manager Dolly Wischer ar ied unjustified ints retraction returned after ard rule clarification regarding required ngth engine run should forthcoming Jean Rousseau France chose model subject push-pull twin-en ined Moynet 360 Jupiter prototype thich display nearby mu eum model balsa structure imost entirely covered thin alumi um sheet five airplanes ompetition metal exteriors Coin ound-curve sections glass poly ster resin Eleven servos used ontrol airplane destroyed entered near-vertical dive high Ititude long range serious crash f meet Conjecture cause tcluded radio link problems udible erratic throttle servo least ugine also suspected midair hanical failure structure Another uncommon French entry Colomban Cri Cri Cricket Charles Levy truly all-metal model built scale 1/24 other words slightly less half size prototype all-metal twin-engined aerobatic singleplace monoplane using tiny two-stroke en gines tuned pipes have seen airplanes action Oshkosh performing spectacular canopy-to-canopy maneuvers model powered pair OPS 40s hidden within dummy single cylinders all-metal twin weighing 599 kg 132 lb span 78 typical example model built up limit FM specifications Cliff Tacies 68-in-wingspan Bellanca Citabria smaller airplanes compete substitute crashed Spezio TuHoler model down graded flight realism because its small size made appear fly fast relative larger models Cliff made effort final flight slow airplane boost realism score smcothness increase low score four five Contestants given copies score sheets also permitted see sheets Only team managers permitted examine score sheets Dolly made handwritten copies flights keep fellows informed help improve low scores other World Championships score sheet dupli cates marked judges available contestants Paris organization fair communications second-rate respect French organizers excelled Score totals standings given out dinnertime evening including flight totals bonus well static scores couple Canadian entries particular interest four-engined deHav illand DH86B Rapide Express Steve Gray OS 20 engines 8-ft span another models built maximum allowable weight 30% bonus applied Steve secondhighest flight meet very accom plished pilot ffies Canadian Spruce Goose regularly DH performed well near scale speed model execute chandelle properly maneuver reserved non-aerobatic aircraft Steves documentation sadly lacking reflected static score about 1000 points too low Added information could easily make DH winner other notable Canadian entry Graham Irelands Fokker F VIIA trimotor first weigh-in model found 4 oz overweight Graham immediately set work replacing its heavy wheels New 4-in-dia wheels turned balsa plywood disc center core using Continued page 180 November1984 177 ACK-U-VOLT Digital DC Voltmeter Kit 3 Dinit LEDAiuwjsne Con - 0-999 & 5-999 stes Case ttsck Andind noih toolsInpos & Clot CabIns NiCd 50tna batsns 55f Test could valuable item flight bos No need guess hatteries need charged Atno valuahle voltage monitor quick charging Simple build simple use 3 digits shows yoa what battery voltages somply psessing switch places load hat 4tery no question charge Special lens fitte makes easier read sunlight HOLD switch holds display input moved handy wish record values later 4sose Charge 45 5lma charger 4 T TAKE CNANCEOETANACK-U-VOLT belier product modeler H8N ELECTRONICSosn,nom 44 nurnrAuOn 5*300no coo FULL SIZE PLANS No 457 Spectra$ 700 RC Electric-power craft uses three different wings Soaring Aerobatics plain Sport flying Use 05-size motor 6-8 cells Dauntless$ 575 CL Profile Carrier 15-power events Two sheets Sky Pursuit $ 300 FF Old-Timer Rubber power 1932 Joe Ott-designed Spans 23 No 458 No 459 Na 182SUIutta ci Stunt model McDonald winner 1 9761980 1982 FAI World Champs$ 375 Na 228Ole Ralable AC 70 version 38 old-timer REM contrnls 1 9-25$ 425 Ne 239Blue Blade AC Ken Willards tormotino plane 4-channel 10-power$ 375 Na 262Creshasaxtar CL Crash-proof trainer two sizes1 5-30- 35-40-power$ 125 No 299Baa Bee Sr Speetatar AC A-scale hy Haffke 91 power Prototype upon 30ff Two-and-a-halt sheets$1175 Na 302MIat F16 AC Sarpolos 049 docted fan upon flier 2-channel Balsa wingo fail fuse structore$ 275 Ne 3101930 Flael BItilam AC Sport Scale 35-40 4-channel Wingspan 56 scale Two sheets$ 625 Na 314Drake t AC Ken Willards flying hoot 3-channel 15-power Fly fond removahle gear$ 375 Na 326Taytar Cab AC Don Srolrs Schoolyard-Scale 049o 2-3 channel Spans 50 in-$ 350 Ne 332Zepliyr AC Small 2-channel glider hand-launch tow thermal slope soaring$ 200 Ne 343Wasp VI FF Mike Stays Nuts-winning Outdoor l-ILG$ 100 Na 348Onaslap AC Trainer han very forgiving flying qualities Three-channel 1 0-25-power$ 425 Na 354Naityc AC Giant 155-In upon Sailplane ones 3 AC channels$ 750 Na 388Plecas PF Indoor Easy B Aubher-power contest-winner hy W Van Gorder$ 100 Na 362SaparciE AC Half-A Pylon Aacerlsport flier Aileron elevator Control Foam wing$ 2 00 Na 385Sasmialar AC Willards 40-size flying hoot f 4-channel Strap-on gear landplaeel Two sheets$1100 Ne 383Camate 82 AC Fly sloak Nats-winniog Sailplone AMA Mnd Std Unlimitnd classes$ 7 50 Na 386Laser 208 AC Sport Scale replica championship Aerohahc flier Uses 40 power 4-5 channel Two sheets$1 075 Na 383yeA Kialed KIag AC Aeduced modernized version 1036 design hA 0ld-Timer- 2 3-channel$ 450 Na 398Baa Baa R1 AC Haffkes latest A-scale spans 75 weighs 15th flies no90 larger Four sheets vs doc$2225 Na 389Zephyr 1100 AC AMA Class B Sailplane 3-channel AC gear$ 675 Na 403Cab Flaatplaae AC Sport Scale 049-1 0-size engines 4-channel AC J-3 floats isa classic$ 650 No 4688a-Velt8n AC elechicpewer sport flier 2-channel 05 mat or$ 650 Na 416Peber Plate AC Scale famous EAA plane 40-power 4-channel Build upon Precision two sheets PIUs doc$1 300 Ne 412Masqatta AC Spon Plane twin uses 10 engines 4-channel AC$ 825 Na 414ElectrIc Sparky AC electdc-pnweredfunflierfor 05 motor 3-channel AC scaled up 1939 rubher-power favorite$ 850 Na 415Nawkar Ituretemee Uk AC Electric-power Sport Scale tori S motor 3-4 channels Two sheets$1175 Na 420Rack 666 FF Competition Class orOfor 1 0-21 power Has variotrle-incidenco fail VIT$ 600 Na 422Scuter AC Two-Meter Sailplane has won Nats event 19821963 plus other contests$ 550 Na 423Cloud Crutaer-2 AC Old-Timer takes 60-power 3-channel AC Two-piece wing option easy transport Two sheets61275 Ne 424Bead Tent FF Embryo Endursoce robber-power float plane has opt losal whools stick-and-f issue delight$ 200 Ne 428ChIal CBpper AC Fatrulous 74-in-span Sport Scale flylflg hoot four 10-size engines 4-channel Three sheets doc 62000 Na 427Prilia PP Travelair Mystery Ship Miss Los Angeles profile all-balsa rubber models sport flyiog 1 7-in-spas$ 200 No429Deer EZ CL Old-Timer Stoat hiplane has profile fuselage uses 25 engine$ 400 No430kanakle AC Zippy little sportster 1 0-1 5 power 3-channel AC$ 400 Ne 431Lackhaad P38 AC Fan-scale twin-1 5-flier f 4-channels Two sheets61300 No432Phuato CL Updated Thunderhird-style Stuofer 35-40 evolves$ 575 Na 433Walls Up AC Electric-powered glider 2-3 channels 035 motor spans 52 0 No434Sly SIr CL IsA foam-wing Combut ship won 83 Nuts Use TO 049-051 power$ 350 No435ThIs N ThaE AC Aerohatic hiplane 40 engineo 4-channels Great spon flying$ 650 No437Klegflaher CL Profile Carrier plane spans 40/s uses 35 engine$ 600 No438CruIser PP Embryo Endurance mhber-power fun ship has trig-model characterishcs$ 200 Na 439Oasperadrc AC flying wing unique negative dihedral flies 4 channels 1 9-40 power Foam wing 50 Ne 446Caesar AC Old-Timer-like new design has huge wing slow easy flights 35 power 3 channels Two sheets$1725 No441NIt WII PF Hot small lightweight campeotion ship far 15 power try designer Harry Murphy$ 475 No 442Lazy Duck AC Big canard sport flier InA-09 power 2 channelo Uses loam heard parts$ 650 No443Turbo Pertar CL Scale 25 power Simple lines oasy truildiog Two sheets $ 675 No 444Flrabelt AC pusher canard sportlpattern uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 Ne 445Nesarttlr Cougar CL Scale model popular homehuilt won Nats Uses 21 engine speos 41 in$ 925 Ne 448La Crete AC Electric-powered upon flier tar 05 motors 3-channels Two versious parasol colon$ 550 No447A Mtee AmerIca AC Old-Timer /sA Texaco model 049 glow 2-channels 0 Na 448Screamts Eaglet AC Partial plan modifying Goidhengs Eaglet kit hotter aerotraucs$ 400 No449Saflue CL Sportitunt plane 40-size 4-stroke engine builds fast easy$ 600 Na 450Icy Boy 74 FF CO-2 power flies 24-in-span replica tomees 1948 long-failed compehhon ship$ 200 No451ElI Blptaea Sealer AC Redesign sleek 1937FF triplane 3-4 channels 29-40 power Two uheets61175 No452Baa Bee L AC Doarter-scale spans 71 in. uses 90 power Four sheets61600 No453Smoefttle Profile CL Profile rendition Botr Palmurs super-Stunter early Fithen 35 power$ 550 No 454Sweet P30 PP Neat shck-and-hsaue Outdoor Aatrtrer P-30-class model contest-winner$ 200 No455lAster Malpa CL Big Scale model famoan air racer spans SB iv onus 60 pewer Two sheets$1 375 No45818-Tech 20111 AC Dacted-fan fufaristic-looking canard fur 25-size engines Built-up conutruchon Three sheets61175 Circle numbers plans wish order 193225239 993023103143263321 343348354358362365383386393398 399403408410412414415420422423j 424426427429430431432433434435 437438439440441 442443444445446 447448449450451452453454455458 I I I NAMEI II STREETI II oms II STATE _______________________ ZIP _______________________ II I 457458459 Prtce includes fIrst-class postage within US Fir aNita intslim Its US. please add $250 Air Mail 5125 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivefy Please print carefully Enclosed _____________________________________ electric drill lathe painted wheels looked bit good rubber-tired rejects Weight model reduced just under 6 kg substitution ever lack resiliency new wheels caused nose-over takeoff Graham didnt complete flight compound difficulties nacelle fuel tanks leaked model excellent quality having dummy engine cylinders cast polyester resin wing completely covered varnished birch veneer original Engines Enya 40 four stroke Incomplete documentation kept Grahams static score quite low success formula FAI RC Scale contests appears model built large possible four-stroke multi-engines weight near top limit Twenty 40 RC entries weighed near 6 kg Three mod els actually over limit indicating desire build right up limit possibly lack accurate scale pre-weighing four-stroke engine has advantage provided properly cooled can swing large diameter efficient propeller sound fourstroke compared two-stroke must surely influence reaction judges Forty entries seems limit can handled single crew five judges future can certainly expect entrants required extra judges will add financial burden organizers Look increased entry fees Judges would prefer several threeview drawings presented avoid con gestion around drawing shorten judging time Insufficient documentation problem some oontestants par ticularly attending first World Championships flown Stand-off events previ ously documentation presented book form data seen disas sembled judges could pass photos around Printed information al oompletely useless judges will take time read anything Near end static judging observed time required plane reduced 20 minutes com pared over half-hour earlier Being judged last advantages Judges viewed top both sides front bottom looked unpainted wheel-well inte roors Because judges touched models may reason change rule specify judges may approach within meter nearest part model Judges seen hold color cards directly against models surfaces intended happen- present rules formulated As mod els judged Paris change previous FAI judging seemed absence actual measurements scale rulers Except shortening time near end static judging models received same treatment 180 Model Aviation 0 0 C --0 cJ 0 CJ 0 C 60 zoo ci 0 -C 0 -- Co ci 00 o -- no -V - Os a -Q 80 C no4 C -V oaoa ea us oak -U no Cc o 00 El1 ow 00 c Os 0 SC S
Edition: Model Aviation - 1984/11
Page Numbers: 84, 85, 86, 87, 88, 89, 90, 91, 176, 177, 180
Sc ALE WORLD CHAMPIONSHIPS es motorized grinder located within used loading passengers about 800 feet $ t few feet terminals main entrance terminal distance between Paris July 28Radio Control flights made anthe two areas activity made difficult immense concrete paved area formerlyproperly report both events RC such excellent weather lightly-loaded planes could effectively compete heavier models Australians took top two places Radio Control event USSR team again victori ous Control Line EBob Dolly Wischer HISTORIC LeBOURGET Airport Paris Musee de LAir scene Eighth Scale World Championships Radio Control Control Line airplanes Models displayed inside old ter minal building late 1930 era seen no airline activity since traffic diverted Charles De Gaulle Orly Airports building presently being renovated receive aircraft museum will transferred Chalais-Meudon within next year Concrete dust stirred thousands visitors feet coated models constantly during week stay LeBourget Airport remains use freight operations mostly jet aircraft few monster prop-driven Boeing Guppy conversions add interest area flights along edge field adjacent museum separated full-scale operations half mile Control Line circle its concrete joints polished smooth 84 Model Aviation First place H won David Masterton Australia all-metal-covered DeHavil land Drover trimotorwith Enya 40 four-stroke Washout 7 makes ultra-stable flight Another Australian won second place RC Warwick Gregory wIth Avro 504K WW era Covering Silkspun Coverite finished cleardope enamei finaily clear overcoat landing gear includIng tail skid sprung Photos authors area row extremely tall light poles along side near spectators space some pilots found intimidating Actually airplane flying near poles would have maneuver disqualified flying above spectators behind deadline Organization meet adequate contestants accommodated single modem hotel located about 1 miles airport Breakfasts dinners served hotel entire group occasions contributed general mixing nationalities Lunches served dining room airport terminal building Except typically light French breakfasts feeling being too well fed plenty water dont drink wine meal Seventeen nations competed 40 airplanes entered RC 18 CL competitions large number RC entries 40 being flown three days meant strict discipline needed followed flight line because set ofiudges used both static flight Control Line oper ations conducted leisurely pace Fortunately weather three days absolutely perfect having quite warm temperatures almost complete absense wind during day lack wind have considerable effect final results aircraft equal chance regardless wing loading As expected RC models having advantage high bonus applied flight scores placed high standings dozen entries having 5% bonus highest placement 17th position However two 30%Left Handmadefibergiassspinnerswere required toget Skip Masts Lockheed Ilerculesdowfl required weight making hand starting necessity Fiberglass also used cowls naceiles wheel blisters gear doors Right RC Sopwith snipe Englands Peter McDermott features rotating dummy engine exhaust-driven mounted large heavy bail bearing extra nose weight flights end prop stops engine continues spin Undercambered wings covered nylon finished dope Humbrol paint Left Drulne Turbulent 0-31 byJosef Mayer Germany 151/4 scale Engine HB 60 Robart pump Covered Ceconlte 111gm Nicolo Saittones 1/4-scaie RC Stits Playboy covered Solartex 71/2 lb lightest model event Webra 60 power November 1984 85 US Scale Team LR Cliff Tacle Citabria Jeff Perez Boeing B17 Dolly Wischer team manager Ron SearsStearman PT-i 7 John Guentherasst team manager Clayton Skip Mast Lockheed Hercules Bob Underwood Alcor Mike Gretz Ziln Akrobat bonus entries low static scores effectively dropped out running Because higher bonus applied multiengine aircraft incorrectly assumed single-engine models disadvantage Six top 10 single engine US Control Line team consisted Mike Gretz Zlin Akrobat 526 Ron Sears Stearman PT-17 Jeff Perez Boeing B-17 Fortress Radio Con trol Bob Underwood Alcor C6l Skip Mast Lockheed Hercules C-i 30 Cliff Tacie Bellanca Citabria Dolly Wischer team manager John Guenther assistant John living Paris summer speaks French played important role communica tions lone US judge Andy ber Control Line competition Preparation World Championship has taken new meaning result lessons learned Paris RC Austra lians won first second placeslargely because well prepared Australian team arrived Paris week early practice model burned gallons fuel local club field Winner first place David Masterton professional pilot flying model deHav illand Drover 1953 trimotor practice airplane all-foam construction covering also trimotor Its appearance simply awful us would hesitate seen its presence model served its purpose Daves preparations continued through com petition flight arrived flight line check list stopwatch item tool needed spare part ac counted definite place flight itself may have less perfect static score highest Five competitors better flights lower static scores end second round first place securely grasp no need fly final round unless near competitor made exceptional flight static scores posted rush examine Daves Drover much detail admire Structure balsa 1/16-in sheet cover sanded 1/32-in thickness completely covered alumi num alloy sheet 0035 thickness specially rolled maximum hardness aluminum easily damaged handling fastened balsa contact adhesive except along panel stroAmlot ncw iuaiurw ngnIy-awanua manaing guar witn guam operating UflOCK struts six iineswmtn electric gearretraction - -working flatches wired spark plugs its dummy engine Assembly atter snipment Tour-flour task Hignt Brian Taylors latest design Bristol Beaufighter 79-In span uses pair Enya 40 four-stroke engines Finish Brians usual lightweight tissue banana oil base Humbrol paint applied over placed seventh 86 Model Aviation iways contenuer MICK hleeves newestaesmgn ass Hawker Hurricane MKW Engine cool ing air comes radiator under wing small gap behind spinner Mick British team member proved WW ii fighter can flown true scale speed edges epoxy used Rivet detail embossed individual panel rear tooling obtain uniform impressions Although detail complete respects model no retract ing landing gear working oleo landing gear used springs addition rubber com pression dougimuts Knowing past experience all-metal airplanes may have radio reception problems asked Dave whether model affected answered JR equipment wasnt susceptible signal loss metal air plane Dave solved instability situation sharply-tapered wing adding 70 washout no reason doubt angle very easily visible Another feature contributed stability models light weight 106 lb its 7-ft wingspan Three Enya 40 four-stroke engines provided excess power prove single-engine airplanes re main contention World Champion ships Warwick Gregorys entry WW Avro 504K 72-in span weighing 1025 lb Its light wing loading wasnt detrimental very low wind velocities LeBourget model qualified 25% flight bonus 10% came Avro having pre-1914 design Actually 504K built after 1914 interpretation bonus rule brought about protests some teams jury decided rule should interpreted mean airplane designed before 1914 model would have finished seventh place benefit jurys ruling Look clanrun uu.u tun S. an. ra.j.iv wan CA. alt, uuflib drop trwa dive speCtuumairare tWlflSkwumu nunwas CL British ently wunt kept low tissue covering lightiy-uppzitid Humbrol paint tvu-pun polyurethane top coat November 1984 87 Ultra-quiet Salto 45 four-strokes Bob Underwood-u uur uru wuu ig ing gunurulnu Balsa structure covered -oz glasacloth K&B resin finished biackauto enamei fication rules future Gregory built model David Bodding tons drawings modifications including undercambered scale airfoil extra 5% bonus truly unusual entries Le auter uu uuuuuyuu uwi aug uuuuu uaouuu nuipau .selage nose cockpit ma mu authentic 1/4-suau RC Sopwlth Tabloid Italys Carto achieved high flight scores Full results Competition Newslettersection issue Bourget Bob Underwoods twin-en gined Alcor attracted commensurate attention US model could possibly have overtaken Austra hans first place Weak landing gear legs tended partially collapse cause nose-over landing prevented accum ulation high K-factor landing scores Higher scores landings could easily have added 11 points needed move Bob second mere two-tenths percent Better landings Bob could also have forced Masterton make thirdround flight preserve hold first place remainder Bobs flights usual job extremely smooth precise flying Alcors two Saito 45 engines notably quiet extent judges complained inability determine whether engine throttled during Bobs single-engine flight option As far known single-engine operation never elected flight option FAI RC Scale its two engines close fuselage centerline built-in out-thrust configuration ideally suited singleengine operation control compen sation model also does excellent job maintaining true scale speed small change airspeed detec ted engine throttled no loss control engine spite planes 13-lb weight Control Line Scale two con tests determine Soviet competitors would take first place other other plane covered silk fuselage silkapan wings Right Polish trainer TS-8 Bles CL entry Stephan Left highest CL flight score made Mike Greta electronically-controlled Zlln 526A 71 -ln-span acrobatic Petrov Bulgaria fine aluminum foil finish didnt help Petrovs static score turned out lowest contest Left Norwegian Vidar Tolfsens RC OH Tiger Moth seriously overweight 146 lb its four-stroke engine Enyn 90 Right illfated RC Fokker F VII byGraham ireland Canada never fly An overweight condition forced modifications kept grounded 88 Model Aviation First place CL Scale won Vladimir Fedesov right Antonov AN-28 turboprop airliner uses pair 60 bevel-gear-drive engines fit confines its tiny nacelies entrants Vladimir Fedosov Valery Kramarenko Antonov AN-28 AN-26 twin-engined aircraft looking ever professionally built placed first second models used bevel-geardrive 60 engines first seen 1974 fit turboprop nacelles Antonovs engines entirely trouble-free Fedosov lost outboard engine flight considerable engine testing certain future flight comple lion models use line control flaps retracts throttle prop pitch reversal latter demonstrated backing airplane end flight after taxi maneuver Kramarenko also has three landing lights actuated wheels lowered very rich setting outboard engine third highest-scoring flight props refused reverse Third-place winner Vladimir Boulatnik ov used Webra 61 Air biplane late- 1920 era Control digital two steel cables pair wires carry signal first giance model ap peared powered four-cylinder aircooled engine exposed rocker arms its finned heads actually dummy mounted horizontally underneath Blackburn Cirrus engine belt-driven close scrutiny whole airplane valve mechanism Webra found unusually well detailed Left Vladimir Bouiatnikov ready install belt-driven dummy Blackburn Cirrus Webra 60 CL Air biplane Excellent detail visible strut wire fittings Right Boeing B-IT Fortress Jeff Perez flown its second CL World Champion ships TB-in -span bomber has two-piece fuselage comes apart wing trailing edge allow more-manageable shipping box Left Carlo Mapelils RC Smith Minipiane uses geared OS 60 61 -in-span bipe Vs scale finished actylic lacquer over Fab ricote Right Loch Podgorski Poland has competed manyCL World Championships HisTupolevTU-2 WW ii bomberis heavyat 15 lb November 1984 89 Swiss contestant Konrad Oetiker flown /4-scale Bucker Jungmelster previously 1982 World Championships Reno Engine subsequently changedtoa Salts 1 2ofourstroke Finish Solartex two-part auto paint Six top seven used four-strokes rigging wire terminated perfectlyformed clevis pre cisely like others indicating parts made programmed ma chine tool methods expected marks amateur-built products absent three Soviet airplanes Boulatnikov made complete flight Engine operation seemed marginal Webra hard pressed maintain flight large heavy biplane An interest ing feature Air its animated pilotwho turned head saluted model stopped directly front judges No comments heard judges effective ness maneuver scoring Jerzy Ostrowski now engaged home-built movement native Poland returned yet another World Champion ships famous Lockheed P-38 Lightning model now looks better ever after having rebuilt following devastating crash nearly wiped out masterpiece Engine trouble two Supertigre 60s due lean runs brought about serious problem second flight engine failed model proved incapable sustained altitude engine After several descending laps landing gear failed extend due tangled lines P-38 landed hard its belly tank absorbed impact Lightning drops bomb diving quite steeply hazardous maneuver model barely has time recover descent Mike Gretz highest placing US en trant overcame low static score mak ing highest scoring flight Control Line event boost himself welldeserved fifth-place finish Mikes Zlin Akrobat 526 has extremely smooth control digital equipment control box mounted Mikes belt operated left hand right used elevator Optional demonstrations include flaps throttle air-operated landing gear Zlin Sig kit prototype Chris Bradford England has reliable model Nieuport 17 proved himself experienced skillful pilot model has appearances battle-weary relic WW Its nylon covering material has dyed English tea produce true antique finish Its weathered demeanor may have carried bit too far static judges obvi ously impressed streaked oil smudges proper places dummy engine came Williams Bros model originated VK kit once flown RC its controls could converted back RC desired weight 56 lb HP 61 engine easy task performing flight maneuvers ordinarily seen CL Scale Chris performed smooth round loops started finished same altitude Nieuport finished surprising sixth place Ron Sears competing first World Championships enjoyed minute except tummy butterflies before flight mentally practiced flight routines continuously midnight excitement pre cluded sleep Posted static scores broight attention models high quality Ron benefitted static judges desire examine models closely surface texture craftsmanship scale detail Although rule book states specifically three items judged meter 39 distance judging actually done zero distance model touched ascertain its surface texture also done RC static judges Ron nothing fear such close encounters Coverite Ran dolph dope finish could withstand close scrutiny flight Rons Stearman strict ly non-aerobatic 12 lb carried Supertigre 60 engine Jeff Perez entered second World Championships first having Kiev Soviet Union two years previously model same Boe ing Fortress 0S 25 enginesreli able stable flight suffering same low static score first flight best last ended damaged landing gear However single good 90 Model Aviation DH Comet uroavenor House cnoice o uwiss compeuior nanurusa Lelmer RC pair four-stroke 05 40 engines powers 88-in-span McRobertson racer Chris Bradford ngiana soaKea ins nyion covering Nicuport 17 tea week dye fabric dummy engine came Williams Bros model itself VK kitconverted RC ck documentation OH 869 Rapids Express kept static score low though him ta among tne best nes gave stabie flight heiped 4 oz nose weight Right Canadas CL entry V splane Bill Logan , ,erlte exceptforthe siuminum nose section Hobbypoxy Scoring CL models doesnt includes compiexity bonus flight enough place US team second position final standings satisfying conclusion meet Jefts 78-in-span Boeing finished Aero Gloss dope over silkspan silk compound curves impregnated poly ester resin insignia painted An unfamiliar aircraft Heinkel HE 219 AZ Ron Truelove England very large model 81-in wingspan weighing 144 lb its two engines Irvine 40s Flaps retracting gear throt tles drop tank electronically controlled Returning RC competition des cription better models order Konrad Qetiker Switzerland Bucker Jungmeister 1 33C -scale size finished fourth place 126-lb aero batics trainer used Saito 20cc four-stroke engine Hansruedi Zeller deHavil land 88 Comet racer finished fifth place used pair 05 40 four-stroke engines combined efforts two gave Switzerland Team Championship RC Scale nothing exceptional about either Swiss planes Both large near FM upper weight limit both powered four-stroke engines six top seven RC models impressive statistic especially view fact 12 40 airplanes four-stroke-powered RC Mick Reeves England competing eighth World Championships includes date aircraft Hawker Hurricane Mik 2C Engine cooling air entered through radiator beneath center wing carried forward duct work flow over cylinder Enya Continued page 176 Left metal identical its prowtype xne Lri rr IrucKeI iwin Cnuriuu LUV ui uuu pair OPS 408 buried inside dummy cylinders Tuned pipes authentic Right Wim Reynders Belgian Standoff winner ai numb two years ago less successful Spitfire Mk 14 Paris Finish tissue banana oil Poiycoat paint rubbed fora metal finish Only air intake gap behind spinner November1984 91 Near perfection lathe best description Valery Kramarenkos CLAntonovAN-26 Specially made horizontal-cylinder engines use bevel gears drive reversible-pitch propellers LCfl norsemn reaursen OT Idorway prepare mis RC Spitfire Mk 14 5Lu1IIjuuu5I 1 Right Philip Avonds Belgian air force pilot regularly flies F 68-in-span Mustang finished epoxy has toggled sequential gear doors uuiuru u drop tank ScannerlMare Continued page 173 available space will Notice sketch schematic wiring dia grams attenuator Install switch out circuit High knob down Low About 30dB attenuation obtained use allow monitor strong nearby signals switch attenuator collapse antenna Remember though makes scanner less sensitive weak out-of-the-area inter ference Periodically activity permits attenuator should switched out antenna extended check possible incoming interference Crystal Holder Now youve got -SCALE DOCUMENTATION SCALE DRAWINGSMODEL PLANS PHOTOS BOOKS EPLA TECH 1984 AIRPLANE N ERNA ONA CATALOG48500 MC KENZIE HWY $300VIDA OREGON 97488 SILICONE tr ID 062 092 125 U S POST 10 foot coils TUBING S/coil 235 265 3 2554 CO L [ LARRY DODGE ERG INC 10210 MANNINGSTILLWATER MN 5508 NOSTALGIC FLYING NEW VERSION OF ORIGINAL CHRISTMAS CARD TRU-FLITE MODEL FROM THE PAST reje When,. Pesos to, 40s Solids isto en eSeol,telv SeeottI tflee Model ttStOoOeI I5eo5 ~ oo~s Note usa GeetssteetetoIy dose 0e 24 Istshensekpe3 p2495 Box S2mn Rosaville MI 48066 TORK-STARTER $2995 Charger 11 tV 220V 1 2V Fast Charger $2095 Without Charger CHARGERS $1295 Charger Only Ill OV 220V 1 2V Past Charger 301 464-2260 nice new modern plug-in crystal attenu ated scanner youll getting complete set crystals go youll need way store transport identify May suggest Deluxe RC Crystal Caddy after brown bag has no class caddy started life off ubiqui tous plastic sandwich box snap-on cover nearest food store come sizes shapes choice Superseal #3427 nationally avail able however similar will onehas inside dimension 5%-in square insert based use another size merely adjust outside dimensions insert ac tual crystal holder youll need piece plastic least Y16-in thick Measure mark off material per diagram drill 36 holes required #56 bit exact crystal pin spacing 192 rather difficult lay out fractional scale accurate set pair dividers right dimen sion using crystal pins guide mark hole spacing labels crystal holder cut Airtronics Frequency Card can have asking order crystals Apply some thin double-sided tape rear card before cut out individual labels find Sonic-Tronics Crazy Tape excellent other modeling chores Keep protective covering until youve trimmed labels size trimmed drilled labeled crystal holder secured case sticky tape piece foam rubber attached cover keep crystals place during drive field Neat huh Cars boats Basically weve treated update aircraft frequencies since primary RC interest However scanner works equally well 75 MHz car boat frequencies can convert channels either methods described Air tronics does have Crystals hand same price correct labels found other side card Tuning future time feel scanner losing sensitivity first thing after verifying batteries good shape check tuning photos y5TE Easy use part no mix paint system No mixing No waiting Fast drying extremely fuel proof Formulated just modeler covers surfaces paints resins Send free instruction brochure BUY IT YOULL LIKE IT SIG MFG COMontezuma IA 50171 shows proper spots PC board whici can pick up modulated waveform thl detected output Tuning should done tin middle band using antenna-down trans mitter some distance away signal source Adjust RF IF transformers maxi mum signal scope Physically lo cated line starting vicinity antennl input towards center unit Crystals once again Airtronics has graciousl agreed furnish sets new frequency crys tals special prices duly registered plane boat car clubs Included also packagt will some molded crystal caps bt used originally-installed crystals whict have Write Airtronics curren information meantime isnt nice know thal something own thought ha obsoleted technology can updated tc fly again Parts update As writing two types ol crystal sockets erroneously listed HC-1S crystals must HC-25 made former cataloged Semi conductor Surplus 2822 North 32nd St Unit 1 Phoenix AZ 85008 priced 504 actually two $100 have sia minimum also always list lot useful items getting order level difficult Ask check catalog Scale WClWlschers Continued page 91 90 four-stroke Air made its exit through dummy exhaust stacks method could successful Englands cool weather high temperatures existed during three flying days Le Bourget Mick cooling problems noticeable loss engine rpm engine spaced back 15-in shaft extension model weight 129 lb meant engines full output needed maintain flying speed Mick con centrated using enough power result speed scalelike Features model handmade aluminum wheels tires molded Devcon RTV compound paper covering over balsa structure Hobbypoxy finish over dope-and-talc filler Brian Taylors Bristol Beaufighter second-highest static score along flight reasonably high quality As can expected Brian model exceptional Surprisingly 176 Model Aviation r Rk MFG OF NI STARTER $2995 Charger PLEASE SPECIFY WHICH CHARGER WHEN ORDERING TORK-STARTER revolutionary concept power 15V glow plugs model cars boats air planes using glow fuel engines TORK-STARTERITMI has steel wrench strong enough reduce compression easier starting ft supplies power vhII dolag comes new CIlO charger has LEO indicate unit charging also has removable T handle can used Torque amplifier Over 50 consecutive starts full charge rechargeable hundreds times Clips Onto plug positive connection Send ad along pre-paymens receive free shiooino handlino 12721 HASKELL LANE BOWIE MARYLAND 20716 L STICK&TISSUEMODELSFOAM SCALE ARE GREATMODELS new sheet foam bailds easier-Peanuts difference youll enloyat& Up lowest cost Several scale de signs available antique des sic warbirds 6 homebuilts Send $1O0forlatestplanslistfoam-samples discount coupon etcflex 652AM GETAFREECO-2MOTORSt CreSt Falls SW 54024 LMP 1000 LMP 1000 ultra light sport glider designed perform light heavy slope conditions Aileron elevator controls combined size weight airfoil makes ideal airspace limited kit includes quality balsa hardware rolled plans need glue covering radio Wing Span 41 Wing Area 275 sq Length 285 Flying Weight 1314 oz Wing Loading 6575 oz/sqft Two Channel Radio Mini Servos 250 MAH BATT $2500 includes shipping UPS COD cash money order CA ales tax Dealer Inquiries Invited LINDSEY MICRO PRODUCTS 160A N Fairview Ave Suite 104 Goleta CA 93117 y engines inside cowlings rge airplane 79-in wingspan Brian sd kept weight down 12 lb using special covering method banana oil ver light tissue topped off Humbrol aint Skip Masts Lockheed C-130 Hercules tracted maximum attention ights general disbelief trge four-engine model foam construc could kept under 6 kg FAI eight limit Models weighed first efore static judging super-accurate igital-readout scale Skips Herc reighed again after flight Bob Inderwoods Alcor re-weighing rocess meant bit fuel needed removed tanks certain f being under limit re-weighing somewhat irritating implied sus ected dishonesty part US am members Actually weighing f C-130 little less reviously perverse attitude also vident Skip lost bonus oints because engine quit about iidpoint second flight rule garding loss bonus isnt clear ngth time engines must operate i addition officials ruled Skip iould lose landing gear retraction nus Team Manager Dolly Wischer ar ied unjustified ints retraction returned after ard rule clarification regarding required ngth engine run should forthcoming Jean Rousseau France chose model subject push-pull twin-en ined Moynet 360 Jupiter prototype thich display nearby mu eum model balsa structure imost entirely covered thin alumi um sheet five airplanes ompetition metal exteriors Coin ound-curve sections glass poly ster resin Eleven servos used ontrol airplane destroyed entered near-vertical dive high Ititude long range serious crash f meet Conjecture cause tcluded radio link problems udible erratic throttle servo least ugine also suspected midair hanical failure structure Another uncommon French entry Colomban Cri Cri Cricket Charles Levy truly all-metal model built scale 1/24 other words slightly less half size prototype all-metal twin-engined aerobatic singleplace monoplane using tiny two-stroke en gines tuned pipes have seen airplanes action Oshkosh performing spectacular canopy-to-canopy maneuvers model powered pair OPS 40s hidden within dummy single cylinders all-metal twin weighing 599 kg 132 lb span 78 typical example model built up limit FM specifications Cliff Tacies 68-in-wingspan Bellanca Citabria smaller airplanes compete substitute crashed Spezio TuHoler model down graded flight realism because its small size made appear fly fast relative larger models Cliff made effort final flight slow airplane boost realism score smcothness increase low score four five Contestants given copies score sheets also permitted see sheets Only team managers permitted examine score sheets Dolly made handwritten copies flights keep fellows informed help improve low scores other World Championships score sheet dupli cates marked judges available contestants Paris organization fair communications second-rate respect French organizers excelled Score totals standings given out dinnertime evening including flight totals bonus well static scores couple Canadian entries particular interest four-engined deHav illand DH86B Rapide Express Steve Gray OS 20 engines 8-ft span another models built maximum allowable weight 30% bonus applied Steve secondhighest flight meet very accom plished pilot ffies Canadian Spruce Goose regularly DH performed well near scale speed model execute chandelle properly maneuver reserved non-aerobatic aircraft Steves documentation sadly lacking reflected static score about 1000 points too low Added information could easily make DH winner other notable Canadian entry Graham Irelands Fokker F VIIA trimotor first weigh-in model found 4 oz overweight Graham immediately set work replacing its heavy wheels New 4-in-dia wheels turned balsa plywood disc center core using Continued page 180 November1984 177 ACK-U-VOLT Digital DC Voltmeter Kit 3 Dinit LEDAiuwjsne Con - 0-999 & 5-999 stes Case ttsck Andind noih toolsInpos & Clot CabIns NiCd 50tna batsns 55f Test could valuable item flight bos No need guess hatteries need charged Atno valuahle voltage monitor quick charging Simple build simple use 3 digits shows yoa what battery voltages somply psessing switch places load hat 4tery no question charge Special lens fitte makes easier read sunlight HOLD switch holds display input moved handy wish record values later 4sose Charge 45 5lma charger 4 T TAKE CNANCEOETANACK-U-VOLT belier product modeler H8N ELECTRONICSosn,nom 44 nurnrAuOn 5*300no coo FULL SIZE PLANS No 457 Spectra$ 700 RC Electric-power craft uses three different wings Soaring Aerobatics plain Sport flying Use 05-size motor 6-8 cells Dauntless$ 575 CL Profile Carrier 15-power events Two sheets Sky Pursuit $ 300 FF Old-Timer Rubber power 1932 Joe Ott-designed Spans 23 No 458 No 459 Na 182SUIutta ci Stunt model McDonald winner 1 9761980 1982 FAI World Champs$ 375 Na 228Ole Ralable AC 70 version 38 old-timer REM contrnls 1 9-25$ 425 Ne 239Blue Blade AC Ken Willards tormotino plane 4-channel 10-power$ 375 Na 262Creshasaxtar CL Crash-proof trainer two sizes1 5-30- 35-40-power$ 125 No 299Baa Bee Sr Speetatar AC A-scale hy Haffke 91 power Prototype upon 30ff Two-and-a-halt sheets$1175 Na 302MIat F16 AC Sarpolos 049 docted fan upon flier 2-channel Balsa wingo fail fuse structore$ 275 Ne 3101930 Flael BItilam AC Sport Scale 35-40 4-channel Wingspan 56 scale Two sheets$ 625 Na 314Drake t AC Ken Willards flying hoot 3-channel 15-power Fly fond removahle gear$ 375 Na 326Taytar Cab AC Don Srolrs Schoolyard-Scale 049o 2-3 channel Spans 50 in-$ 350 Ne 332Zepliyr AC Small 2-channel glider hand-launch tow thermal slope soaring$ 200 Ne 343Wasp VI FF Mike Stays Nuts-winning Outdoor l-ILG$ 100 Na 348Onaslap AC Trainer han very forgiving flying qualities Three-channel 1 0-25-power$ 425 Na 354Naityc AC Giant 155-In upon Sailplane ones 3 AC channels$ 750 Na 388Plecas PF Indoor Easy B Aubher-power contest-winner hy W Van Gorder$ 100 Na 362SaparciE AC Half-A Pylon Aacerlsport flier Aileron elevator Control Foam wing$ 2 00 Na 385Sasmialar AC Willards 40-size flying hoot f 4-channel Strap-on gear landplaeel Two sheets$1100 Ne 383Camate 82 AC Fly sloak Nats-winniog Sailplone AMA Mnd Std Unlimitnd classes$ 7 50 Na 386Laser 208 AC Sport Scale replica championship Aerohahc flier Uses 40 power 4-5 channel Two sheets$1 075 Na 383yeA Kialed KIag AC Aeduced modernized version 1036 design hA 0ld-Timer- 2 3-channel$ 450 Na 398Baa Baa R1 AC Haffkes latest A-scale spans 75 weighs 15th flies no90 larger Four sheets vs doc$2225 Na 389Zephyr 1100 AC AMA Class B Sailplane 3-channel AC gear$ 675 Na 403Cab Flaatplaae AC Sport Scale 049-1 0-size engines 4-channel AC J-3 floats isa classic$ 650 No 4688a-Velt8n AC elechicpewer sport flier 2-channel 05 mat or$ 650 Na 416Peber Plate AC Scale famous EAA plane 40-power 4-channel Build upon Precision two sheets PIUs doc$1 300 Ne 412Masqatta AC Spon Plane twin uses 10 engines 4-channel AC$ 825 Na 414ElectrIc Sparky AC electdc-pnweredfunflierfor 05 motor 3-channel AC scaled up 1939 rubher-power favorite$ 850 Na 415Nawkar Ituretemee Uk AC Electric-power Sport Scale tori S motor 3-4 channels Two sheets$1175 Na 420Rack 666 FF Competition Class orOfor 1 0-21 power Has variotrle-incidenco fail VIT$ 600 Na 422Scuter AC Two-Meter Sailplane has won Nats event 19821963 plus other contests$ 550 Na 423Cloud Crutaer-2 AC Old-Timer takes 60-power 3-channel AC Two-piece wing option easy transport Two sheets61275 Ne 424Bead Tent FF Embryo Endursoce robber-power float plane has opt losal whools stick-and-f issue delight$ 200 Ne 428ChIal CBpper AC Fatrulous 74-in-span Sport Scale flylflg hoot four 10-size engines 4-channel Three sheets doc 62000 Na 427Prilia PP Travelair Mystery Ship Miss Los Angeles profile all-balsa rubber models sport flyiog 1 7-in-spas$ 200 No429Deer EZ CL Old-Timer Stoat hiplane has profile fuselage uses 25 engine$ 400 No430kanakle AC Zippy little sportster 1 0-1 5 power 3-channel AC$ 400 Ne 431Lackhaad P38 AC Fan-scale twin-1 5-flier f 4-channels Two sheets61300 No432Phuato CL Updated Thunderhird-style Stuofer 35-40 evolves$ 575 Na 433Walls Up AC Electric-powered glider 2-3 channels 035 motor spans 52 0 No434Sly SIr CL IsA foam-wing Combut ship won 83 Nuts Use TO 049-051 power$ 350 No435ThIs N ThaE AC Aerohatic hiplane 40 engineo 4-channels Great spon flying$ 650 No437Klegflaher CL Profile Carrier plane spans 40/s uses 35 engine$ 600 No438CruIser PP Embryo Endurance mhber-power fun ship has trig-model characterishcs$ 200 Na 439Oasperadrc AC flying wing unique negative dihedral flies 4 channels 1 9-40 power Foam wing 50 Ne 446Caesar AC Old-Timer-like new design has huge wing slow easy flights 35 power 3 channels Two sheets$1725 No441NIt WII PF Hot small lightweight campeotion ship far 15 power try designer Harry Murphy$ 475 No 442Lazy Duck AC Big canard sport flier InA-09 power 2 channelo Uses loam heard parts$ 650 No443Turbo Pertar CL Scale 25 power Simple lines oasy truildiog Two sheets $ 675 No 444Flrabelt AC pusher canard sportlpattern uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 Ne 445Nesarttlr Cougar CL Scale model popular homehuilt won Nats Uses 21 engine speos 41 in$ 925 Ne 448La Crete AC Electric-powered upon flier tar 05 motors 3-channels Two versious parasol colon$ 550 No447A Mtee AmerIca AC Old-Timer /sA Texaco model 049 glow 2-channels 0 Na 448Screamts Eaglet AC Partial plan modifying Goidhengs Eaglet kit hotter aerotraucs$ 400 No449Saflue CL Sportitunt plane 40-size 4-stroke engine builds fast easy$ 600 Na 450Icy Boy 74 FF CO-2 power flies 24-in-span replica tomees 1948 long-failed compehhon ship$ 200 No451ElI Blptaea Sealer AC Redesign sleek 1937FF triplane 3-4 channels 29-40 power Two uheets61175 No452Baa Bee L AC Doarter-scale spans 71 in. uses 90 power Four sheets61600 No453Smoefttle Profile CL Profile rendition Botr Palmurs super-Stunter early Fithen 35 power$ 550 No 454Sweet P30 PP Neat shck-and-hsaue Outdoor Aatrtrer P-30-class model contest-winner$ 200 No455lAster Malpa CL Big Scale model famoan air racer spans SB iv onus 60 pewer Two sheets$1 375 No45818-Tech 20111 AC Dacted-fan fufaristic-looking canard fur 25-size engines Built-up conutruchon Three sheets61175 Circle numbers plans wish order 193225239 993023103143263321 343348354358362365383386393398 399403408410412414415420422423j 424426427429430431432433434435 437438439440441 442443444445446 447448449450451452453454455458 I I I NAMEI II STREETI II oms II STATE _______________________ ZIP _______________________ II I 457458459 Prtce includes fIrst-class postage within US Fir aNita intslim Its US. please add $250 Air Mail 5125 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivefy Please print carefully Enclosed _____________________________________ electric drill lathe painted wheels looked bit good rubber-tired rejects Weight model reduced just under 6 kg substitution ever lack resiliency new wheels caused nose-over takeoff Graham didnt complete flight compound difficulties nacelle fuel tanks leaked model excellent quality having dummy engine cylinders cast polyester resin wing completely covered varnished birch veneer original Engines Enya 40 four stroke Incomplete documentation kept Grahams static score quite low success formula FAI RC Scale contests appears model built large possible four-stroke multi-engines weight near top limit Twenty 40 RC entries weighed near 6 kg Three mod els actually over limit indicating desire build right up limit possibly lack accurate scale pre-weighing four-stroke engine has advantage provided properly cooled can swing large diameter efficient propeller sound fourstroke compared two-stroke must surely influence reaction judges Forty entries seems limit can handled single crew five judges future can certainly expect entrants required extra judges will add financial burden organizers Look increased entry fees Judges would prefer several threeview drawings presented avoid con gestion around drawing shorten judging time Insufficient documentation problem some oontestants par ticularly attending first World Championships flown Stand-off events previ ously documentation presented book form data seen disas sembled judges could pass photos around Printed information al oompletely useless judges will take time read anything Near end static judging observed time required plane reduced 20 minutes com pared over half-hour earlier Being judged last advantages Judges viewed top both sides front bottom looked unpainted wheel-well inte roors Because judges touched models may reason change rule specify judges may approach within meter nearest part model Judges seen hold color cards directly against models surfaces intended happen- present rules formulated As mod els judged Paris change previous FAI judging seemed absence actual measurements scale rulers Except shortening time near end static judging models received same treatment 180 Model Aviation 0 0 C --0 cJ 0 CJ 0 C 60 zoo ci 0 -C 0 -- Co ci 00 o -- no -V - Os a -Q 80 C no4 C -V oaoa ea us oak -U no Cc o 00 El1 ow 00 c Os 0 SC S
Edition: Model Aviation - 1984/11
Page Numbers: 84, 85, 86, 87, 88, 89, 90, 91, 176, 177, 180
Sc ALE WORLD CHAMPIONSHIPS es motorized grinder located within used loading passengers about 800 feet $ t few feet terminals main entrance terminal distance between Paris July 28Radio Control flights made anthe two areas activity made difficult immense concrete paved area formerlyproperly report both events RC such excellent weather lightly-loaded planes could effectively compete heavier models Australians took top two places Radio Control event USSR team again victori ous Control Line EBob Dolly Wischer HISTORIC LeBOURGET Airport Paris Musee de LAir scene Eighth Scale World Championships Radio Control Control Line airplanes Models displayed inside old ter minal building late 1930 era seen no airline activity since traffic diverted Charles De Gaulle Orly Airports building presently being renovated receive aircraft museum will transferred Chalais-Meudon within next year Concrete dust stirred thousands visitors feet coated models constantly during week stay LeBourget Airport remains use freight operations mostly jet aircraft few monster prop-driven Boeing Guppy conversions add interest area flights along edge field adjacent museum separated full-scale operations half mile Control Line circle its concrete joints polished smooth 84 Model Aviation First place H won David Masterton Australia all-metal-covered DeHavil land Drover trimotorwith Enya 40 four-stroke Washout 7 makes ultra-stable flight Another Australian won second place RC Warwick Gregory wIth Avro 504K WW era Covering Silkspun Coverite finished cleardope enamei finaily clear overcoat landing gear includIng tail skid sprung Photos authors area row extremely tall light poles along side near spectators space some pilots found intimidating Actually airplane flying near poles would have maneuver disqualified flying above spectators behind deadline Organization meet adequate contestants accommodated single modem hotel located about 1 miles airport Breakfasts dinners served hotel entire group occasions contributed general mixing nationalities Lunches served dining room airport terminal building Except typically light French breakfasts feeling being too well fed plenty water dont drink wine meal Seventeen nations competed 40 airplanes entered RC 18 CL competitions large number RC entries 40 being flown three days meant strict discipline needed followed flight line because set ofiudges used both static flight Control Line oper ations conducted leisurely pace Fortunately weather three days absolutely perfect having quite warm temperatures almost complete absense wind during day lack wind have considerable effect final results aircraft equal chance regardless wing loading As expected RC models having advantage high bonus applied flight scores placed high standings dozen entries having 5% bonus highest placement 17th position However two 30%Left Handmadefibergiassspinnerswere required toget Skip Masts Lockheed Ilerculesdowfl required weight making hand starting necessity Fiberglass also used cowls naceiles wheel blisters gear doors Right RC Sopwith snipe Englands Peter McDermott features rotating dummy engine exhaust-driven mounted large heavy bail bearing extra nose weight flights end prop stops engine continues spin Undercambered wings covered nylon finished dope Humbrol paint Left Drulne Turbulent 0-31 byJosef Mayer Germany 151/4 scale Engine HB 60 Robart pump Covered Ceconlte 111gm Nicolo Saittones 1/4-scaie RC Stits Playboy covered Solartex 71/2 lb lightest model event Webra 60 power November 1984 85 US Scale Team LR Cliff Tacle Citabria Jeff Perez Boeing B17 Dolly Wischer team manager Ron SearsStearman PT-i 7 John Guentherasst team manager Clayton Skip Mast Lockheed Hercules Bob Underwood Alcor Mike Gretz Ziln Akrobat bonus entries low static scores effectively dropped out running Because higher bonus applied multiengine aircraft incorrectly assumed single-engine models disadvantage Six top 10 single engine US Control Line team consisted Mike Gretz Zlin Akrobat 526 Ron Sears Stearman PT-17 Jeff Perez Boeing B-17 Fortress Radio Con trol Bob Underwood Alcor C6l Skip Mast Lockheed Hercules C-i 30 Cliff Tacie Bellanca Citabria Dolly Wischer team manager John Guenther assistant John living Paris summer speaks French played important role communica tions lone US judge Andy ber Control Line competition Preparation World Championship has taken new meaning result lessons learned Paris RC Austra lians won first second placeslargely because well prepared Australian team arrived Paris week early practice model burned gallons fuel local club field Winner first place David Masterton professional pilot flying model deHav illand Drover 1953 trimotor practice airplane all-foam construction covering also trimotor Its appearance simply awful us would hesitate seen its presence model served its purpose Daves preparations continued through com petition flight arrived flight line check list stopwatch item tool needed spare part ac counted definite place flight itself may have less perfect static score highest Five competitors better flights lower static scores end second round first place securely grasp no need fly final round unless near competitor made exceptional flight static scores posted rush examine Daves Drover much detail admire Structure balsa 1/16-in sheet cover sanded 1/32-in thickness completely covered alumi num alloy sheet 0035 thickness specially rolled maximum hardness aluminum easily damaged handling fastened balsa contact adhesive except along panel stroAmlot ncw iuaiurw ngnIy-awanua manaing guar witn guam operating UflOCK struts six iineswmtn electric gearretraction - -working flatches wired spark plugs its dummy engine Assembly atter snipment Tour-flour task Hignt Brian Taylors latest design Bristol Beaufighter 79-In span uses pair Enya 40 four-stroke engines Finish Brians usual lightweight tissue banana oil base Humbrol paint applied over placed seventh 86 Model Aviation iways contenuer MICK hleeves newestaesmgn ass Hawker Hurricane MKW Engine cool ing air comes radiator under wing small gap behind spinner Mick British team member proved WW ii fighter can flown true scale speed edges epoxy used Rivet detail embossed individual panel rear tooling obtain uniform impressions Although detail complete respects model no retract ing landing gear working oleo landing gear used springs addition rubber com pression dougimuts Knowing past experience all-metal airplanes may have radio reception problems asked Dave whether model affected answered JR equipment wasnt susceptible signal loss metal air plane Dave solved instability situation sharply-tapered wing adding 70 washout no reason doubt angle very easily visible Another feature contributed stability models light weight 106 lb its 7-ft wingspan Three Enya 40 four-stroke engines provided excess power prove single-engine airplanes re main contention World Champion ships Warwick Gregorys entry WW Avro 504K 72-in span weighing 1025 lb Its light wing loading wasnt detrimental very low wind velocities LeBourget model qualified 25% flight bonus 10% came Avro having pre-1914 design Actually 504K built after 1914 interpretation bonus rule brought about protests some teams jury decided rule should interpreted mean airplane designed before 1914 model would have finished seventh place benefit jurys ruling Look clanrun uu.u tun S. an. ra.j.iv wan CA. alt, uuflib drop trwa dive speCtuumairare tWlflSkwumu nunwas CL British ently wunt kept low tissue covering lightiy-uppzitid Humbrol paint tvu-pun polyurethane top coat November 1984 87 Ultra-quiet Salto 45 four-strokes Bob Underwood-u uur uru wuu ig ing gunurulnu Balsa structure covered -oz glasacloth K&B resin finished biackauto enamei fication rules future Gregory built model David Bodding tons drawings modifications including undercambered scale airfoil extra 5% bonus truly unusual entries Le auter uu uuuuuyuu uwi aug uuuuu uaouuu nuipau .selage nose cockpit ma mu authentic 1/4-suau RC Sopwlth Tabloid Italys Carto achieved high flight scores Full results Competition Newslettersection issue Bourget Bob Underwoods twin-en gined Alcor attracted commensurate attention US model could possibly have overtaken Austra hans first place Weak landing gear legs tended partially collapse cause nose-over landing prevented accum ulation high K-factor landing scores Higher scores landings could easily have added 11 points needed move Bob second mere two-tenths percent Better landings Bob could also have forced Masterton make thirdround flight preserve hold first place remainder Bobs flights usual job extremely smooth precise flying Alcors two Saito 45 engines notably quiet extent judges complained inability determine whether engine throttled during Bobs single-engine flight option As far known single-engine operation never elected flight option FAI RC Scale its two engines close fuselage centerline built-in out-thrust configuration ideally suited singleengine operation control compen sation model also does excellent job maintaining true scale speed small change airspeed detec ted engine throttled no loss control engine spite planes 13-lb weight Control Line Scale two con tests determine Soviet competitors would take first place other other plane covered silk fuselage silkapan wings Right Polish trainer TS-8 Bles CL entry Stephan Left highest CL flight score made Mike Greta electronically-controlled Zlln 526A 71 -ln-span acrobatic Petrov Bulgaria fine aluminum foil finish didnt help Petrovs static score turned out lowest contest Left Norwegian Vidar Tolfsens RC OH Tiger Moth seriously overweight 146 lb its four-stroke engine Enyn 90 Right illfated RC Fokker F VII byGraham ireland Canada never fly An overweight condition forced modifications kept grounded 88 Model Aviation First place CL Scale won Vladimir Fedesov right Antonov AN-28 turboprop airliner uses pair 60 bevel-gear-drive engines fit confines its tiny nacelies entrants Vladimir Fedosov Valery Kramarenko Antonov AN-28 AN-26 twin-engined aircraft looking ever professionally built placed first second models used bevel-geardrive 60 engines first seen 1974 fit turboprop nacelles Antonovs engines entirely trouble-free Fedosov lost outboard engine flight considerable engine testing certain future flight comple lion models use line control flaps retracts throttle prop pitch reversal latter demonstrated backing airplane end flight after taxi maneuver Kramarenko also has three landing lights actuated wheels lowered very rich setting outboard engine third highest-scoring flight props refused reverse Third-place winner Vladimir Boulatnik ov used Webra 61 Air biplane late- 1920 era Control digital two steel cables pair wires carry signal first giance model ap peared powered four-cylinder aircooled engine exposed rocker arms its finned heads actually dummy mounted horizontally underneath Blackburn Cirrus engine belt-driven close scrutiny whole airplane valve mechanism Webra found unusually well detailed Left Vladimir Bouiatnikov ready install belt-driven dummy Blackburn Cirrus Webra 60 CL Air biplane Excellent detail visible strut wire fittings Right Boeing B-IT Fortress Jeff Perez flown its second CL World Champion ships TB-in -span bomber has two-piece fuselage comes apart wing trailing edge allow more-manageable shipping box Left Carlo Mapelils RC Smith Minipiane uses geared OS 60 61 -in-span bipe Vs scale finished actylic lacquer over Fab ricote Right Loch Podgorski Poland has competed manyCL World Championships HisTupolevTU-2 WW ii bomberis heavyat 15 lb November 1984 89 Swiss contestant Konrad Oetiker flown /4-scale Bucker Jungmelster previously 1982 World Championships Reno Engine subsequently changedtoa Salts 1 2ofourstroke Finish Solartex two-part auto paint Six top seven used four-strokes rigging wire terminated perfectlyformed clevis pre cisely like others indicating parts made programmed ma chine tool methods expected marks amateur-built products absent three Soviet airplanes Boulatnikov made complete flight Engine operation seemed marginal Webra hard pressed maintain flight large heavy biplane An interest ing feature Air its animated pilotwho turned head saluted model stopped directly front judges No comments heard judges effective ness maneuver scoring Jerzy Ostrowski now engaged home-built movement native Poland returned yet another World Champion ships famous Lockheed P-38 Lightning model now looks better ever after having rebuilt following devastating crash nearly wiped out masterpiece Engine trouble two Supertigre 60s due lean runs brought about serious problem second flight engine failed model proved incapable sustained altitude engine After several descending laps landing gear failed extend due tangled lines P-38 landed hard its belly tank absorbed impact Lightning drops bomb diving quite steeply hazardous maneuver model barely has time recover descent Mike Gretz highest placing US en trant overcame low static score mak ing highest scoring flight Control Line event boost himself welldeserved fifth-place finish Mikes Zlin Akrobat 526 has extremely smooth control digital equipment control box mounted Mikes belt operated left hand right used elevator Optional demonstrations include flaps throttle air-operated landing gear Zlin Sig kit prototype Chris Bradford England has reliable model Nieuport 17 proved himself experienced skillful pilot model has appearances battle-weary relic WW Its nylon covering material has dyed English tea produce true antique finish Its weathered demeanor may have carried bit too far static judges obvi ously impressed streaked oil smudges proper places dummy engine came Williams Bros model originated VK kit once flown RC its controls could converted back RC desired weight 56 lb HP 61 engine easy task performing flight maneuvers ordinarily seen CL Scale Chris performed smooth round loops started finished same altitude Nieuport finished surprising sixth place Ron Sears competing first World Championships enjoyed minute except tummy butterflies before flight mentally practiced flight routines continuously midnight excitement pre cluded sleep Posted static scores broight attention models high quality Ron benefitted static judges desire examine models closely surface texture craftsmanship scale detail Although rule book states specifically three items judged meter 39 distance judging actually done zero distance model touched ascertain its surface texture also done RC static judges Ron nothing fear such close encounters Coverite Ran dolph dope finish could withstand close scrutiny flight Rons Stearman strict ly non-aerobatic 12 lb carried Supertigre 60 engine Jeff Perez entered second World Championships first having Kiev Soviet Union two years previously model same Boe ing Fortress 0S 25 enginesreli able stable flight suffering same low static score first flight best last ended damaged landing gear However single good 90 Model Aviation DH Comet uroavenor House cnoice o uwiss compeuior nanurusa Lelmer RC pair four-stroke 05 40 engines powers 88-in-span McRobertson racer Chris Bradford ngiana soaKea ins nyion covering Nicuport 17 tea week dye fabric dummy engine came Williams Bros model itself VK kitconverted RC ck documentation OH 869 Rapids Express kept static score low though him ta among tne best nes gave stabie flight heiped 4 oz nose weight Right Canadas CL entry V splane Bill Logan , ,erlte exceptforthe siuminum nose section Hobbypoxy Scoring CL models doesnt includes compiexity bonus flight enough place US team second position final standings satisfying conclusion meet Jefts 78-in-span Boeing finished Aero Gloss dope over silkspan silk compound curves impregnated poly ester resin insignia painted An unfamiliar aircraft Heinkel HE 219 AZ Ron Truelove England very large model 81-in wingspan weighing 144 lb its two engines Irvine 40s Flaps retracting gear throt tles drop tank electronically controlled Returning RC competition des cription better models order Konrad Qetiker Switzerland Bucker Jungmeister 1 33C -scale size finished fourth place 126-lb aero batics trainer used Saito 20cc four-stroke engine Hansruedi Zeller deHavil land 88 Comet racer finished fifth place used pair 05 40 four-stroke engines combined efforts two gave Switzerland Team Championship RC Scale nothing exceptional about either Swiss planes Both large near FM upper weight limit both powered four-stroke engines six top seven RC models impressive statistic especially view fact 12 40 airplanes four-stroke-powered RC Mick Reeves England competing eighth World Championships includes date aircraft Hawker Hurricane Mik 2C Engine cooling air entered through radiator beneath center wing carried forward duct work flow over cylinder Enya Continued page 176 Left metal identical its prowtype xne Lri rr IrucKeI iwin Cnuriuu LUV ui uuu pair OPS 408 buried inside dummy cylinders Tuned pipes authentic Right Wim Reynders Belgian Standoff winner ai numb two years ago less successful Spitfire Mk 14 Paris Finish tissue banana oil Poiycoat paint rubbed fora metal finish Only air intake gap behind spinner November1984 91 Near perfection lathe best description Valery Kramarenkos CLAntonovAN-26 Specially made horizontal-cylinder engines use bevel gears drive reversible-pitch propellers LCfl norsemn reaursen OT Idorway prepare mis RC Spitfire Mk 14 5Lu1IIjuuu5I 1 Right Philip Avonds Belgian air force pilot regularly flies F 68-in-span Mustang finished epoxy has toggled sequential gear doors uuiuru u drop tank ScannerlMare Continued page 173 available space will Notice sketch schematic wiring dia grams attenuator Install switch out circuit High knob down Low About 30dB attenuation obtained use allow monitor strong nearby signals switch attenuator collapse antenna Remember though makes scanner less sensitive weak out-of-the-area inter ference Periodically activity permits attenuator should switched out antenna extended check possible incoming interference Crystal Holder Now youve got -SCALE DOCUMENTATION SCALE DRAWINGSMODEL PLANS PHOTOS BOOKS EPLA TECH 1984 AIRPLANE N ERNA ONA CATALOG48500 MC KENZIE HWY $300VIDA OREGON 97488 SILICONE tr ID 062 092 125 U S POST 10 foot coils TUBING S/coil 235 265 3 2554 CO L [ LARRY DODGE ERG INC 10210 MANNINGSTILLWATER MN 5508 NOSTALGIC FLYING NEW VERSION OF ORIGINAL CHRISTMAS CARD TRU-FLITE MODEL FROM THE PAST reje When,. Pesos to, 40s Solids isto en eSeol,telv SeeottI tflee Model ttStOoOeI I5eo5 ~ oo~s Note usa GeetssteetetoIy dose 0e 24 Istshensekpe3 p2495 Box S2mn Rosaville MI 48066 TORK-STARTER $2995 Charger 11 tV 220V 1 2V Fast Charger $2095 Without Charger CHARGERS $1295 Charger Only Ill OV 220V 1 2V Past Charger 301 464-2260 nice new modern plug-in crystal attenu ated scanner youll getting complete set crystals go youll need way store transport identify May suggest Deluxe RC Crystal Caddy after brown bag has no class caddy started life off ubiqui tous plastic sandwich box snap-on cover nearest food store come sizes shapes choice Superseal #3427 nationally avail able however similar will onehas inside dimension 5%-in square insert based use another size merely adjust outside dimensions insert ac tual crystal holder youll need piece plastic least Y16-in thick Measure mark off material per diagram drill 36 holes required #56 bit exact crystal pin spacing 192 rather difficult lay out fractional scale accurate set pair dividers right dimen sion using crystal pins guide mark hole spacing labels crystal holder cut Airtronics Frequency Card can have asking order crystals Apply some thin double-sided tape rear card before cut out individual labels find Sonic-Tronics Crazy Tape excellent other modeling chores Keep protective covering until youve trimmed labels size trimmed drilled labeled crystal holder secured case sticky tape piece foam rubber attached cover keep crystals place during drive field Neat huh Cars boats Basically weve treated update aircraft frequencies since primary RC interest However scanner works equally well 75 MHz car boat frequencies can convert channels either methods described Air tronics does have Crystals hand same price correct labels found other side card Tuning future time feel scanner losing sensitivity first thing after verifying batteries good shape check tuning photos y5TE Easy use part no mix paint system No mixing No waiting Fast drying extremely fuel proof Formulated just modeler covers surfaces paints resins Send free instruction brochure BUY IT YOULL LIKE IT SIG MFG COMontezuma IA 50171 shows proper spots PC board whici can pick up modulated waveform thl detected output Tuning should done tin middle band using antenna-down trans mitter some distance away signal source Adjust RF IF transformers maxi mum signal scope Physically lo cated line starting vicinity antennl input towards center unit Crystals once again Airtronics has graciousl agreed furnish sets new frequency crys tals special prices duly registered plane boat car clubs Included also packagt will some molded crystal caps bt used originally-installed crystals whict have Write Airtronics curren information meantime isnt nice know thal something own thought ha obsoleted technology can updated tc fly again Parts update As writing two types ol crystal sockets erroneously listed HC-1S crystals must HC-25 made former cataloged Semi conductor Surplus 2822 North 32nd St Unit 1 Phoenix AZ 85008 priced 504 actually two $100 have sia minimum also always list lot useful items getting order level difficult Ask check catalog Scale WClWlschers Continued page 91 90 four-stroke Air made its exit through dummy exhaust stacks method could successful Englands cool weather high temperatures existed during three flying days Le Bourget Mick cooling problems noticeable loss engine rpm engine spaced back 15-in shaft extension model weight 129 lb meant engines full output needed maintain flying speed Mick con centrated using enough power result speed scalelike Features model handmade aluminum wheels tires molded Devcon RTV compound paper covering over balsa structure Hobbypoxy finish over dope-and-talc filler Brian Taylors Bristol Beaufighter second-highest static score along flight reasonably high quality As can expected Brian model exceptional Surprisingly 176 Model Aviation r Rk MFG OF NI STARTER $2995 Charger PLEASE SPECIFY WHICH CHARGER WHEN ORDERING TORK-STARTER revolutionary concept power 15V glow plugs model cars boats air planes using glow fuel engines TORK-STARTERITMI has steel wrench strong enough reduce compression easier starting ft supplies power vhII dolag comes new CIlO charger has LEO indicate unit charging also has removable T handle can used Torque amplifier Over 50 consecutive starts full charge rechargeable hundreds times Clips Onto plug positive connection Send ad along pre-paymens receive free shiooino handlino 12721 HASKELL LANE BOWIE MARYLAND 20716 L STICK&TISSUEMODELSFOAM SCALE ARE GREATMODELS new sheet foam bailds easier-Peanuts difference youll enloyat& Up lowest cost Several scale de signs available antique des sic warbirds 6 homebuilts Send $1O0forlatestplanslistfoam-samples discount coupon etcflex 652AM GETAFREECO-2MOTORSt CreSt Falls SW 54024 LMP 1000 LMP 1000 ultra light sport glider designed perform light heavy slope conditions Aileron elevator controls combined size weight airfoil makes ideal airspace limited kit includes quality balsa hardware rolled plans need glue covering radio Wing Span 41 Wing Area 275 sq Length 285 Flying Weight 1314 oz Wing Loading 6575 oz/sqft Two Channel Radio Mini Servos 250 MAH BATT $2500 includes shipping UPS COD cash money order CA ales tax Dealer Inquiries Invited LINDSEY MICRO PRODUCTS 160A N Fairview Ave Suite 104 Goleta CA 93117 y engines inside cowlings rge airplane 79-in wingspan Brian sd kept weight down 12 lb using special covering method banana oil ver light tissue topped off Humbrol aint Skip Masts Lockheed C-130 Hercules tracted maximum attention ights general disbelief trge four-engine model foam construc could kept under 6 kg FAI eight limit Models weighed first efore static judging super-accurate igital-readout scale Skips Herc reighed again after flight Bob Inderwoods Alcor re-weighing rocess meant bit fuel needed removed tanks certain f being under limit re-weighing somewhat irritating implied sus ected dishonesty part US am members Actually weighing f C-130 little less reviously perverse attitude also vident Skip lost bonus oints because engine quit about iidpoint second flight rule garding loss bonus isnt clear ngth time engines must operate i addition officials ruled Skip iould lose landing gear retraction nus Team Manager Dolly Wischer ar ied unjustified ints retraction returned after ard rule clarification regarding required ngth engine run should forthcoming Jean Rousseau France chose model subject push-pull twin-en ined Moynet 360 Jupiter prototype thich display nearby mu eum model balsa structure imost entirely covered thin alumi um sheet five airplanes ompetition metal exteriors Coin ound-curve sections glass poly ster resin Eleven servos used ontrol airplane destroyed entered near-vertical dive high Ititude long range serious crash f meet Conjecture cause tcluded radio link problems udible erratic throttle servo least ugine also suspected midair hanical failure structure Another uncommon French entry Colomban Cri Cri Cricket Charles Levy truly all-metal model built scale 1/24 other words slightly less half size prototype all-metal twin-engined aerobatic singleplace monoplane using tiny two-stroke en gines tuned pipes have seen airplanes action Oshkosh performing spectacular canopy-to-canopy maneuvers model powered pair OPS 40s hidden within dummy single cylinders all-metal twin weighing 599 kg 132 lb span 78 typical example model built up limit FM specifications Cliff Tacies 68-in-wingspan Bellanca Citabria smaller airplanes compete substitute crashed Spezio TuHoler model down graded flight realism because its small size made appear fly fast relative larger models Cliff made effort final flight slow airplane boost realism score smcothness increase low score four five Contestants given copies score sheets also permitted see sheets Only team managers permitted examine score sheets Dolly made handwritten copies flights keep fellows informed help improve low scores other World Championships score sheet dupli cates marked judges available contestants Paris organization fair communications second-rate respect French organizers excelled Score totals standings given out dinnertime evening including flight totals bonus well static scores couple Canadian entries particular interest four-engined deHav illand DH86B Rapide Express Steve Gray OS 20 engines 8-ft span another models built maximum allowable weight 30% bonus applied Steve secondhighest flight meet very accom plished pilot ffies Canadian Spruce Goose regularly DH performed well near scale speed model execute chandelle properly maneuver reserved non-aerobatic aircraft Steves documentation sadly lacking reflected static score about 1000 points too low Added information could easily make DH winner other notable Canadian entry Graham Irelands Fokker F VIIA trimotor first weigh-in model found 4 oz overweight Graham immediately set work replacing its heavy wheels New 4-in-dia wheels turned balsa plywood disc center core using Continued page 180 November1984 177 ACK-U-VOLT Digital DC Voltmeter Kit 3 Dinit LEDAiuwjsne Con - 0-999 & 5-999 stes Case ttsck Andind noih toolsInpos & Clot CabIns NiCd 50tna batsns 55f Test could valuable item flight bos No need guess hatteries need charged Atno valuahle voltage monitor quick charging Simple build simple use 3 digits shows yoa what battery voltages somply psessing switch places load hat 4tery no question charge Special lens fitte makes easier read sunlight HOLD switch holds display input moved handy wish record values later 4sose Charge 45 5lma charger 4 T TAKE CNANCEOETANACK-U-VOLT belier product modeler H8N ELECTRONICSosn,nom 44 nurnrAuOn 5*300no coo FULL SIZE PLANS No 457 Spectra$ 700 RC Electric-power craft uses three different wings Soaring Aerobatics plain Sport flying Use 05-size motor 6-8 cells Dauntless$ 575 CL Profile Carrier 15-power events Two sheets Sky Pursuit $ 300 FF Old-Timer Rubber power 1932 Joe Ott-designed Spans 23 No 458 No 459 Na 182SUIutta ci Stunt model McDonald winner 1 9761980 1982 FAI World Champs$ 375 Na 228Ole Ralable AC 70 version 38 old-timer REM contrnls 1 9-25$ 425 Ne 239Blue Blade AC Ken Willards tormotino plane 4-channel 10-power$ 375 Na 262Creshasaxtar CL Crash-proof trainer two sizes1 5-30- 35-40-power$ 125 No 299Baa Bee Sr Speetatar AC A-scale hy Haffke 91 power Prototype upon 30ff Two-and-a-halt sheets$1175 Na 302MIat F16 AC Sarpolos 049 docted fan upon flier 2-channel Balsa wingo fail fuse structore$ 275 Ne 3101930 Flael BItilam AC Sport Scale 35-40 4-channel Wingspan 56 scale Two sheets$ 625 Na 314Drake t AC Ken Willards flying hoot 3-channel 15-power Fly fond removahle gear$ 375 Na 326Taytar Cab AC Don Srolrs Schoolyard-Scale 049o 2-3 channel Spans 50 in-$ 350 Ne 332Zepliyr AC Small 2-channel glider hand-launch tow thermal slope soaring$ 200 Ne 343Wasp VI FF Mike Stays Nuts-winning Outdoor l-ILG$ 100 Na 348Onaslap AC Trainer han very forgiving flying qualities Three-channel 1 0-25-power$ 425 Na 354Naityc AC Giant 155-In upon Sailplane ones 3 AC channels$ 750 Na 388Plecas PF Indoor Easy B Aubher-power contest-winner hy W Van Gorder$ 100 Na 362SaparciE AC Half-A Pylon Aacerlsport flier Aileron elevator Control Foam wing$ 2 00 Na 385Sasmialar AC Willards 40-size flying hoot f 4-channel Strap-on gear landplaeel Two sheets$1100 Ne 383Camate 82 AC Fly sloak Nats-winniog Sailplone AMA Mnd Std Unlimitnd classes$ 7 50 Na 386Laser 208 AC Sport Scale replica championship Aerohahc flier Uses 40 power 4-5 channel Two sheets$1 075 Na 383yeA Kialed KIag AC Aeduced modernized version 1036 design hA 0ld-Timer- 2 3-channel$ 450 Na 398Baa Baa R1 AC Haffkes latest A-scale spans 75 weighs 15th flies no90 larger Four sheets vs doc$2225 Na 389Zephyr 1100 AC AMA Class B Sailplane 3-channel AC gear$ 675 Na 403Cab Flaatplaae AC Sport Scale 049-1 0-size engines 4-channel AC J-3 floats isa classic$ 650 No 4688a-Velt8n AC elechicpewer sport flier 2-channel 05 mat or$ 650 Na 416Peber Plate AC Scale famous EAA plane 40-power 4-channel Build upon Precision two sheets PIUs doc$1 300 Ne 412Masqatta AC Spon Plane twin uses 10 engines 4-channel AC$ 825 Na 414ElectrIc Sparky AC electdc-pnweredfunflierfor 05 motor 3-channel AC scaled up 1939 rubher-power favorite$ 850 Na 415Nawkar Ituretemee Uk AC Electric-power Sport Scale tori S motor 3-4 channels Two sheets$1175 Na 420Rack 666 FF Competition Class orOfor 1 0-21 power Has variotrle-incidenco fail VIT$ 600 Na 422Scuter AC Two-Meter Sailplane has won Nats event 19821963 plus other contests$ 550 Na 423Cloud Crutaer-2 AC Old-Timer takes 60-power 3-channel AC Two-piece wing option easy transport Two sheets61275 Ne 424Bead Tent FF Embryo Endursoce robber-power float plane has opt losal whools stick-and-f issue delight$ 200 Ne 428ChIal CBpper AC Fatrulous 74-in-span Sport Scale flylflg hoot four 10-size engines 4-channel Three sheets doc 62000 Na 427Prilia PP Travelair Mystery Ship Miss Los Angeles profile all-balsa rubber models sport flyiog 1 7-in-spas$ 200 No429Deer EZ CL Old-Timer Stoat hiplane has profile fuselage uses 25 engine$ 400 No430kanakle AC Zippy little sportster 1 0-1 5 power 3-channel AC$ 400 Ne 431Lackhaad P38 AC Fan-scale twin-1 5-flier f 4-channels Two sheets61300 No432Phuato CL Updated Thunderhird-style Stuofer 35-40 evolves$ 575 Na 433Walls Up AC Electric-powered glider 2-3 channels 035 motor spans 52 0 No434Sly SIr CL IsA foam-wing Combut ship won 83 Nuts Use TO 049-051 power$ 350 No435ThIs N ThaE AC Aerohatic hiplane 40 engineo 4-channels Great spon flying$ 650 No437Klegflaher CL Profile Carrier plane spans 40/s uses 35 engine$ 600 No438CruIser PP Embryo Endurance mhber-power fun ship has trig-model characterishcs$ 200 Na 439Oasperadrc AC flying wing unique negative dihedral flies 4 channels 1 9-40 power Foam wing 50 Ne 446Caesar AC Old-Timer-like new design has huge wing slow easy flights 35 power 3 channels Two sheets$1725 No441NIt WII PF Hot small lightweight campeotion ship far 15 power try designer Harry Murphy$ 475 No 442Lazy Duck AC Big canard sport flier InA-09 power 2 channelo Uses loam heard parts$ 650 No443Turbo Pertar CL Scale 25 power Simple lines oasy truildiog Two sheets $ 675 No 444Flrabelt AC pusher canard sportlpattern uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 Ne 445Nesarttlr Cougar CL Scale model popular homehuilt won Nats Uses 21 engine speos 41 in$ 925 Ne 448La Crete AC Electric-powered upon flier tar 05 motors 3-channels Two versious parasol colon$ 550 No447A Mtee AmerIca AC Old-Timer /sA Texaco model 049 glow 2-channels 0 Na 448Screamts Eaglet AC Partial plan modifying Goidhengs Eaglet kit hotter aerotraucs$ 400 No449Saflue CL Sportitunt plane 40-size 4-stroke engine builds fast easy$ 600 Na 450Icy Boy 74 FF CO-2 power flies 24-in-span replica tomees 1948 long-failed compehhon ship$ 200 No451ElI Blptaea Sealer AC Redesign sleek 1937FF triplane 3-4 channels 29-40 power Two uheets61175 No452Baa Bee L AC Doarter-scale spans 71 in. uses 90 power Four sheets61600 No453Smoefttle Profile CL Profile rendition Botr Palmurs super-Stunter early Fithen 35 power$ 550 No 454Sweet P30 PP Neat shck-and-hsaue Outdoor Aatrtrer P-30-class model contest-winner$ 200 No455lAster Malpa CL Big Scale model famoan air racer spans SB iv onus 60 pewer Two sheets$1 375 No45818-Tech 20111 AC Dacted-fan fufaristic-looking canard fur 25-size engines Built-up conutruchon Three sheets61175 Circle numbers plans wish order 193225239 993023103143263321 343348354358362365383386393398 399403408410412414415420422423j 424426427429430431432433434435 437438439440441 442443444445446 447448449450451452453454455458 I I I NAMEI II STREETI II oms II STATE _______________________ ZIP _______________________ II I 457458459 Prtce includes fIrst-class postage within US Fir aNita intslim Its US. please add $250 Air Mail 5125 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivefy Please print carefully Enclosed _____________________________________ electric drill lathe painted wheels looked bit good rubber-tired rejects Weight model reduced just under 6 kg substitution ever lack resiliency new wheels caused nose-over takeoff Graham didnt complete flight compound difficulties nacelle fuel tanks leaked model excellent quality having dummy engine cylinders cast polyester resin wing completely covered varnished birch veneer original Engines Enya 40 four stroke Incomplete documentation kept Grahams static score quite low success formula FAI RC Scale contests appears model built large possible four-stroke multi-engines weight near top limit Twenty 40 RC entries weighed near 6 kg Three mod els actually over limit indicating desire build right up limit possibly lack accurate scale pre-weighing four-stroke engine has advantage provided properly cooled can swing large diameter efficient propeller sound fourstroke compared two-stroke must surely influence reaction judges Forty entries seems limit can handled single crew five judges future can certainly expect entrants required extra judges will add financial burden organizers Look increased entry fees Judges would prefer several threeview drawings presented avoid con gestion around drawing shorten judging time Insufficient documentation problem some oontestants par ticularly attending first World Championships flown Stand-off events previ ously documentation presented book form data seen disas sembled judges could pass photos around Printed information al oompletely useless judges will take time read anything Near end static judging observed time required plane reduced 20 minutes com pared over half-hour earlier Being judged last advantages Judges viewed top both sides front bottom looked unpainted wheel-well inte roors Because judges touched models may reason change rule specify judges may approach within meter nearest part model Judges seen hold color cards directly against models surfaces intended happen- present rules formulated As mod els judged Paris change previous FAI judging seemed absence actual measurements scale rulers Except shortening time near end static judging models received same treatment 180 Model Aviation 0 0 C --0 cJ 0 CJ 0 C 60 zoo ci 0 -C 0 -- Co ci 00 o -- no -V - Os a -Q 80 C no4 C -V oaoa ea us oak -U no Cc o 00 El1 ow 00 c Os 0 SC S
Edition: Model Aviation - 1984/11
Page Numbers: 84, 85, 86, 87, 88, 89, 90, 91, 176, 177, 180
Sc ALE WORLD CHAMPIONSHIPS es motorized grinder located within used loading passengers about 800 feet $ t few feet terminals main entrance terminal distance between Paris July 28Radio Control flights made anthe two areas activity made difficult immense concrete paved area formerlyproperly report both events RC such excellent weather lightly-loaded planes could effectively compete heavier models Australians took top two places Radio Control event USSR team again victori ous Control Line EBob Dolly Wischer HISTORIC LeBOURGET Airport Paris Musee de LAir scene Eighth Scale World Championships Radio Control Control Line airplanes Models displayed inside old ter minal building late 1930 era seen no airline activity since traffic diverted Charles De Gaulle Orly Airports building presently being renovated receive aircraft museum will transferred Chalais-Meudon within next year Concrete dust stirred thousands visitors feet coated models constantly during week stay LeBourget Airport remains use freight operations mostly jet aircraft few monster prop-driven Boeing Guppy conversions add interest area flights along edge field adjacent museum separated full-scale operations half mile Control Line circle its concrete joints polished smooth 84 Model Aviation First place H won David Masterton Australia all-metal-covered DeHavil land Drover trimotorwith Enya 40 four-stroke Washout 7 makes ultra-stable flight Another Australian won second place RC Warwick Gregory wIth Avro 504K WW era Covering Silkspun Coverite finished cleardope enamei finaily clear overcoat landing gear includIng tail skid sprung Photos authors area row extremely tall light poles along side near spectators space some pilots found intimidating Actually airplane flying near poles would have maneuver disqualified flying above spectators behind deadline Organization meet adequate contestants accommodated single modem hotel located about 1 miles airport Breakfasts dinners served hotel entire group occasions contributed general mixing nationalities Lunches served dining room airport terminal building Except typically light French breakfasts feeling being too well fed plenty water dont drink wine meal Seventeen nations competed 40 airplanes entered RC 18 CL competitions large number RC entries 40 being flown three days meant strict discipline needed followed flight line because set ofiudges used both static flight Control Line oper ations conducted leisurely pace Fortunately weather three days absolutely perfect having quite warm temperatures almost complete absense wind during day lack wind have considerable effect final results aircraft equal chance regardless wing loading As expected RC models having advantage high bonus applied flight scores placed high standings dozen entries having 5% bonus highest placement 17th position However two 30%Left Handmadefibergiassspinnerswere required toget Skip Masts Lockheed Ilerculesdowfl required weight making hand starting necessity Fiberglass also used cowls naceiles wheel blisters gear doors Right RC Sopwith snipe Englands Peter McDermott features rotating dummy engine exhaust-driven mounted large heavy bail bearing extra nose weight flights end prop stops engine continues spin Undercambered wings covered nylon finished dope Humbrol paint Left Drulne Turbulent 0-31 byJosef Mayer Germany 151/4 scale Engine HB 60 Robart pump Covered Ceconlte 111gm Nicolo Saittones 1/4-scaie RC Stits Playboy covered Solartex 71/2 lb lightest model event Webra 60 power November 1984 85 US Scale Team LR Cliff Tacle Citabria Jeff Perez Boeing B17 Dolly Wischer team manager Ron SearsStearman PT-i 7 John Guentherasst team manager Clayton Skip Mast Lockheed Hercules Bob Underwood Alcor Mike Gretz Ziln Akrobat bonus entries low static scores effectively dropped out running Because higher bonus applied multiengine aircraft incorrectly assumed single-engine models disadvantage Six top 10 single engine US Control Line team consisted Mike Gretz Zlin Akrobat 526 Ron Sears Stearman PT-17 Jeff Perez Boeing B-17 Fortress Radio Con trol Bob Underwood Alcor C6l Skip Mast Lockheed Hercules C-i 30 Cliff Tacie Bellanca Citabria Dolly Wischer team manager John Guenther assistant John living Paris summer speaks French played important role communica tions lone US judge Andy ber Control Line competition Preparation World Championship has taken new meaning result lessons learned Paris RC Austra lians won first second placeslargely because well prepared Australian team arrived Paris week early practice model burned gallons fuel local club field Winner first place David Masterton professional pilot flying model deHav illand Drover 1953 trimotor practice airplane all-foam construction covering also trimotor Its appearance simply awful us would hesitate seen its presence model served its purpose Daves preparations continued through com petition flight arrived flight line check list stopwatch item tool needed spare part ac counted definite place flight itself may have less perfect static score highest Five competitors better flights lower static scores end second round first place securely grasp no need fly final round unless near competitor made exceptional flight static scores posted rush examine Daves Drover much detail admire Structure balsa 1/16-in sheet cover sanded 1/32-in thickness completely covered alumi num alloy sheet 0035 thickness specially rolled maximum hardness aluminum easily damaged handling fastened balsa contact adhesive except along panel stroAmlot ncw iuaiurw ngnIy-awanua manaing guar witn guam operating UflOCK struts six iineswmtn electric gearretraction - -working flatches wired spark plugs its dummy engine Assembly atter snipment Tour-flour task Hignt Brian Taylors latest design Bristol Beaufighter 79-In span uses pair Enya 40 four-stroke engines Finish Brians usual lightweight tissue banana oil base Humbrol paint applied over placed seventh 86 Model Aviation iways contenuer MICK hleeves newestaesmgn ass Hawker Hurricane MKW Engine cool ing air comes radiator under wing small gap behind spinner Mick British team member proved WW ii fighter can flown true scale speed edges epoxy used Rivet detail embossed individual panel rear tooling obtain uniform impressions Although detail complete respects model no retract ing landing gear working oleo landing gear used springs addition rubber com pression dougimuts Knowing past experience all-metal airplanes may have radio reception problems asked Dave whether model affected answered JR equipment wasnt susceptible signal loss metal air plane Dave solved instability situation sharply-tapered wing adding 70 washout no reason doubt angle very easily visible Another feature contributed stability models light weight 106 lb its 7-ft wingspan Three Enya 40 four-stroke engines provided excess power prove single-engine airplanes re main contention World Champion ships Warwick Gregorys entry WW Avro 504K 72-in span weighing 1025 lb Its light wing loading wasnt detrimental very low wind velocities LeBourget model qualified 25% flight bonus 10% came Avro having pre-1914 design Actually 504K built after 1914 interpretation bonus rule brought about protests some teams jury decided rule should interpreted mean airplane designed before 1914 model would have finished seventh place benefit jurys ruling Look clanrun uu.u tun S. an. ra.j.iv wan CA. alt, uuflib drop trwa dive speCtuumairare tWlflSkwumu nunwas CL British ently wunt kept low tissue covering lightiy-uppzitid Humbrol paint tvu-pun polyurethane top coat November 1984 87 Ultra-quiet Salto 45 four-strokes Bob Underwood-u uur uru wuu ig ing gunurulnu Balsa structure covered -oz glasacloth K&B resin finished biackauto enamei fication rules future Gregory built model David Bodding tons drawings modifications including undercambered scale airfoil extra 5% bonus truly unusual entries Le auter uu uuuuuyuu uwi aug uuuuu uaouuu nuipau .selage nose cockpit ma mu authentic 1/4-suau RC Sopwlth Tabloid Italys Carto achieved high flight scores Full results Competition Newslettersection issue Bourget Bob Underwoods twin-en gined Alcor attracted commensurate attention US model could possibly have overtaken Austra hans first place Weak landing gear legs tended partially collapse cause nose-over landing prevented accum ulation high K-factor landing scores Higher scores landings could easily have added 11 points needed move Bob second mere two-tenths percent Better landings Bob could also have forced Masterton make thirdround flight preserve hold first place remainder Bobs flights usual job extremely smooth precise flying Alcors two Saito 45 engines notably quiet extent judges complained inability determine whether engine throttled during Bobs single-engine flight option As far known single-engine operation never elected flight option FAI RC Scale its two engines close fuselage centerline built-in out-thrust configuration ideally suited singleengine operation control compen sation model also does excellent job maintaining true scale speed small change airspeed detec ted engine throttled no loss control engine spite planes 13-lb weight Control Line Scale two con tests determine Soviet competitors would take first place other other plane covered silk fuselage silkapan wings Right Polish trainer TS-8 Bles CL entry Stephan Left highest CL flight score made Mike Greta electronically-controlled Zlln 526A 71 -ln-span acrobatic Petrov Bulgaria fine aluminum foil finish didnt help Petrovs static score turned out lowest contest Left Norwegian Vidar Tolfsens RC OH Tiger Moth seriously overweight 146 lb its four-stroke engine Enyn 90 Right illfated RC Fokker F VII byGraham ireland Canada never fly An overweight condition forced modifications kept grounded 88 Model Aviation First place CL Scale won Vladimir Fedesov right Antonov AN-28 turboprop airliner uses pair 60 bevel-gear-drive engines fit confines its tiny nacelies entrants Vladimir Fedosov Valery Kramarenko Antonov AN-28 AN-26 twin-engined aircraft looking ever professionally built placed first second models used bevel-geardrive 60 engines first seen 1974 fit turboprop nacelles Antonovs engines entirely trouble-free Fedosov lost outboard engine flight considerable engine testing certain future flight comple lion models use line control flaps retracts throttle prop pitch reversal latter demonstrated backing airplane end flight after taxi maneuver Kramarenko also has three landing lights actuated wheels lowered very rich setting outboard engine third highest-scoring flight props refused reverse Third-place winner Vladimir Boulatnik ov used Webra 61 Air biplane late- 1920 era Control digital two steel cables pair wires carry signal first giance model ap peared powered four-cylinder aircooled engine exposed rocker arms its finned heads actually dummy mounted horizontally underneath Blackburn Cirrus engine belt-driven close scrutiny whole airplane valve mechanism Webra found unusually well detailed Left Vladimir Bouiatnikov ready install belt-driven dummy Blackburn Cirrus Webra 60 CL Air biplane Excellent detail visible strut wire fittings Right Boeing B-IT Fortress Jeff Perez flown its second CL World Champion ships TB-in -span bomber has two-piece fuselage comes apart wing trailing edge allow more-manageable shipping box Left Carlo Mapelils RC Smith Minipiane uses geared OS 60 61 -in-span bipe Vs scale finished actylic lacquer over Fab ricote Right Loch Podgorski Poland has competed manyCL World Championships HisTupolevTU-2 WW ii bomberis heavyat 15 lb November 1984 89 Swiss contestant Konrad Oetiker flown /4-scale Bucker Jungmelster previously 1982 World Championships Reno Engine subsequently changedtoa Salts 1 2ofourstroke Finish Solartex two-part auto paint Six top seven used four-strokes rigging wire terminated perfectlyformed clevis pre cisely like others indicating parts made programmed ma chine tool methods expected marks amateur-built products absent three Soviet airplanes Boulatnikov made complete flight Engine operation seemed marginal Webra hard pressed maintain flight large heavy biplane An interest ing feature Air its animated pilotwho turned head saluted model stopped directly front judges No comments heard judges effective ness maneuver scoring Jerzy Ostrowski now engaged home-built movement native Poland returned yet another World Champion ships famous Lockheed P-38 Lightning model now looks better ever after having rebuilt following devastating crash nearly wiped out masterpiece Engine trouble two Supertigre 60s due lean runs brought about serious problem second flight engine failed model proved incapable sustained altitude engine After several descending laps landing gear failed extend due tangled lines P-38 landed hard its belly tank absorbed impact Lightning drops bomb diving quite steeply hazardous maneuver model barely has time recover descent Mike Gretz highest placing US en trant overcame low static score mak ing highest scoring flight Control Line event boost himself welldeserved fifth-place finish Mikes Zlin Akrobat 526 has extremely smooth control digital equipment control box mounted Mikes belt operated left hand right used elevator Optional demonstrations include flaps throttle air-operated landing gear Zlin Sig kit prototype Chris Bradford England has reliable model Nieuport 17 proved himself experienced skillful pilot model has appearances battle-weary relic WW Its nylon covering material has dyed English tea produce true antique finish Its weathered demeanor may have carried bit too far static judges obvi ously impressed streaked oil smudges proper places dummy engine came Williams Bros model originated VK kit once flown RC its controls could converted back RC desired weight 56 lb HP 61 engine easy task performing flight maneuvers ordinarily seen CL Scale Chris performed smooth round loops started finished same altitude Nieuport finished surprising sixth place Ron Sears competing first World Championships enjoyed minute except tummy butterflies before flight mentally practiced flight routines continuously midnight excitement pre cluded sleep Posted static scores broight attention models high quality Ron benefitted static judges desire examine models closely surface texture craftsmanship scale detail Although rule book states specifically three items judged meter 39 distance judging actually done zero distance model touched ascertain its surface texture also done RC static judges Ron nothing fear such close encounters Coverite Ran dolph dope finish could withstand close scrutiny flight Rons Stearman strict ly non-aerobatic 12 lb carried Supertigre 60 engine Jeff Perez entered second World Championships first having Kiev Soviet Union two years previously model same Boe ing Fortress 0S 25 enginesreli able stable flight suffering same low static score first flight best last ended damaged landing gear However single good 90 Model Aviation DH Comet uroavenor House cnoice o uwiss compeuior nanurusa Lelmer RC pair four-stroke 05 40 engines powers 88-in-span McRobertson racer Chris Bradford ngiana soaKea ins nyion covering Nicuport 17 tea week dye fabric dummy engine came Williams Bros model itself VK kitconverted RC ck documentation OH 869 Rapids Express kept static score low though him ta among tne best nes gave stabie flight heiped 4 oz nose weight Right Canadas CL entry V splane Bill Logan , ,erlte exceptforthe siuminum nose section Hobbypoxy Scoring CL models doesnt includes compiexity bonus flight enough place US team second position final standings satisfying conclusion meet Jefts 78-in-span Boeing finished Aero Gloss dope over silkspan silk compound curves impregnated poly ester resin insignia painted An unfamiliar aircraft Heinkel HE 219 AZ Ron Truelove England very large model 81-in wingspan weighing 144 lb its two engines Irvine 40s Flaps retracting gear throt tles drop tank electronically controlled Returning RC competition des cription better models order Konrad Qetiker Switzerland Bucker Jungmeister 1 33C -scale size finished fourth place 126-lb aero batics trainer used Saito 20cc four-stroke engine Hansruedi Zeller deHavil land 88 Comet racer finished fifth place used pair 05 40 four-stroke engines combined efforts two gave Switzerland Team Championship RC Scale nothing exceptional about either Swiss planes Both large near FM upper weight limit both powered four-stroke engines six top seven RC models impressive statistic especially view fact 12 40 airplanes four-stroke-powered RC Mick Reeves England competing eighth World Championships includes date aircraft Hawker Hurricane Mik 2C Engine cooling air entered through radiator beneath center wing carried forward duct work flow over cylinder Enya Continued page 176 Left metal identical its prowtype xne Lri rr IrucKeI iwin Cnuriuu LUV ui uuu pair OPS 408 buried inside dummy cylinders Tuned pipes authentic Right Wim Reynders Belgian Standoff winner ai numb two years ago less successful Spitfire Mk 14 Paris Finish tissue banana oil Poiycoat paint rubbed fora metal finish Only air intake gap behind spinner November1984 91 Near perfection lathe best description Valery Kramarenkos CLAntonovAN-26 Specially made horizontal-cylinder engines use bevel gears drive reversible-pitch propellers LCfl norsemn reaursen OT Idorway prepare mis RC Spitfire Mk 14 5Lu1IIjuuu5I 1 Right Philip Avonds Belgian air force pilot regularly flies F 68-in-span Mustang finished epoxy has toggled sequential gear doors uuiuru u drop tank ScannerlMare Continued page 173 available space will Notice sketch schematic wiring dia grams attenuator Install switch out circuit High knob down Low About 30dB attenuation obtained use allow monitor strong nearby signals switch attenuator collapse antenna Remember though makes scanner less sensitive weak out-of-the-area inter ference Periodically activity permits attenuator should switched out antenna extended check possible incoming interference Crystal Holder Now youve got -SCALE DOCUMENTATION SCALE DRAWINGSMODEL PLANS PHOTOS BOOKS EPLA TECH 1984 AIRPLANE N ERNA ONA CATALOG48500 MC KENZIE HWY $300VIDA OREGON 97488 SILICONE tr ID 062 092 125 U S POST 10 foot coils TUBING S/coil 235 265 3 2554 CO L [ LARRY DODGE ERG INC 10210 MANNINGSTILLWATER MN 5508 NOSTALGIC FLYING NEW VERSION OF ORIGINAL CHRISTMAS CARD TRU-FLITE MODEL FROM THE PAST reje When,. Pesos to, 40s Solids isto en eSeol,telv SeeottI tflee Model ttStOoOeI I5eo5 ~ oo~s Note usa GeetssteetetoIy dose 0e 24 Istshensekpe3 p2495 Box S2mn Rosaville MI 48066 TORK-STARTER $2995 Charger 11 tV 220V 1 2V Fast Charger $2095 Without Charger CHARGERS $1295 Charger Only Ill OV 220V 1 2V Past Charger 301 464-2260 nice new modern plug-in crystal attenu ated scanner youll getting complete set crystals go youll need way store transport identify May suggest Deluxe RC Crystal Caddy after brown bag has no class caddy started life off ubiqui tous plastic sandwich box snap-on cover nearest food store come sizes shapes choice Superseal #3427 nationally avail able however similar will onehas inside dimension 5%-in square insert based use another size merely adjust outside dimensions insert ac tual crystal holder youll need piece plastic least Y16-in thick Measure mark off material per diagram drill 36 holes required #56 bit exact crystal pin spacing 192 rather difficult lay out fractional scale accurate set pair dividers right dimen sion using crystal pins guide mark hole spacing labels crystal holder cut Airtronics Frequency Card can have asking order crystals Apply some thin double-sided tape rear card before cut out individual labels find Sonic-Tronics Crazy Tape excellent other modeling chores Keep protective covering until youve trimmed labels size trimmed drilled labeled crystal holder secured case sticky tape piece foam rubber attached cover keep crystals place during drive field Neat huh Cars boats Basically weve treated update aircraft frequencies since primary RC interest However scanner works equally well 75 MHz car boat frequencies can convert channels either methods described Air tronics does have Crystals hand same price correct labels found other side card Tuning future time feel scanner losing sensitivity first thing after verifying batteries good shape check tuning photos y5TE Easy use part no mix paint system No mixing No waiting Fast drying extremely fuel proof Formulated just modeler covers surfaces paints resins Send free instruction brochure BUY IT YOULL LIKE IT SIG MFG COMontezuma IA 50171 shows proper spots PC board whici can pick up modulated waveform thl detected output Tuning should done tin middle band using antenna-down trans mitter some distance away signal source Adjust RF IF transformers maxi mum signal scope Physically lo cated line starting vicinity antennl input towards center unit Crystals once again Airtronics has graciousl agreed furnish sets new frequency crys tals special prices duly registered plane boat car clubs Included also packagt will some molded crystal caps bt used originally-installed crystals whict have Write Airtronics curren information meantime isnt nice know thal something own thought ha obsoleted technology can updated tc fly again Parts update As writing two types ol crystal sockets erroneously listed HC-1S crystals must HC-25 made former cataloged Semi conductor Surplus 2822 North 32nd St Unit 1 Phoenix AZ 85008 priced 504 actually two $100 have sia minimum also always list lot useful items getting order level difficult Ask check catalog Scale WClWlschers Continued page 91 90 four-stroke Air made its exit through dummy exhaust stacks method could successful Englands cool weather high temperatures existed during three flying days Le Bourget Mick cooling problems noticeable loss engine rpm engine spaced back 15-in shaft extension model weight 129 lb meant engines full output needed maintain flying speed Mick con centrated using enough power result speed scalelike Features model handmade aluminum wheels tires molded Devcon RTV compound paper covering over balsa structure Hobbypoxy finish over dope-and-talc filler Brian Taylors Bristol Beaufighter second-highest static score along flight reasonably high quality As can expected Brian model exceptional Surprisingly 176 Model Aviation r Rk MFG OF NI STARTER $2995 Charger PLEASE SPECIFY WHICH CHARGER WHEN ORDERING TORK-STARTER revolutionary concept power 15V glow plugs model cars boats air planes using glow fuel engines TORK-STARTERITMI has steel wrench strong enough reduce compression easier starting ft supplies power vhII dolag comes new CIlO charger has LEO indicate unit charging also has removable T handle can used Torque amplifier Over 50 consecutive starts full charge rechargeable hundreds times Clips Onto plug positive connection Send ad along pre-paymens receive free shiooino handlino 12721 HASKELL LANE BOWIE MARYLAND 20716 L STICK&TISSUEMODELSFOAM SCALE ARE GREATMODELS new sheet foam bailds easier-Peanuts difference youll enloyat& Up lowest cost Several scale de signs available antique des sic warbirds 6 homebuilts Send $1O0forlatestplanslistfoam-samples discount coupon etcflex 652AM GETAFREECO-2MOTORSt CreSt Falls SW 54024 LMP 1000 LMP 1000 ultra light sport glider designed perform light heavy slope conditions Aileron elevator controls combined size weight airfoil makes ideal airspace limited kit includes quality balsa hardware rolled plans need glue covering radio Wing Span 41 Wing Area 275 sq Length 285 Flying Weight 1314 oz Wing Loading 6575 oz/sqft Two Channel Radio Mini Servos 250 MAH BATT $2500 includes shipping UPS COD cash money order CA ales tax Dealer Inquiries Invited LINDSEY MICRO PRODUCTS 160A N Fairview Ave Suite 104 Goleta CA 93117 y engines inside cowlings rge airplane 79-in wingspan Brian sd kept weight down 12 lb using special covering method banana oil ver light tissue topped off Humbrol aint Skip Masts Lockheed C-130 Hercules tracted maximum attention ights general disbelief trge four-engine model foam construc could kept under 6 kg FAI eight limit Models weighed first efore static judging super-accurate igital-readout scale Skips Herc reighed again after flight Bob Inderwoods Alcor re-weighing rocess meant bit fuel needed removed tanks certain f being under limit re-weighing somewhat irritating implied sus ected dishonesty part US am members Actually weighing f C-130 little less reviously perverse attitude also vident Skip lost bonus oints because engine quit about iidpoint second flight rule garding loss bonus isnt clear ngth time engines must operate i addition officials ruled Skip iould lose landing gear retraction nus Team Manager Dolly Wischer ar ied unjustified ints retraction returned after ard rule clarification regarding required ngth engine run should forthcoming Jean Rousseau France chose model subject push-pull twin-en ined Moynet 360 Jupiter prototype thich display nearby mu eum model balsa structure imost entirely covered thin alumi um sheet five airplanes ompetition metal exteriors Coin ound-curve sections glass poly ster resin Eleven servos used ontrol airplane destroyed entered near-vertical dive high Ititude long range serious crash f meet Conjecture cause tcluded radio link problems udible erratic throttle servo least ugine also suspected midair hanical failure structure Another uncommon French entry Colomban Cri Cri Cricket Charles Levy truly all-metal model built scale 1/24 other words slightly less half size prototype all-metal twin-engined aerobatic singleplace monoplane using tiny two-stroke en gines tuned pipes have seen airplanes action Oshkosh performing spectacular canopy-to-canopy maneuvers model powered pair OPS 40s hidden within dummy single cylinders all-metal twin weighing 599 kg 132 lb span 78 typical example model built up limit FM specifications Cliff Tacies 68-in-wingspan Bellanca Citabria smaller airplanes compete substitute crashed Spezio TuHoler model down graded flight realism because its small size made appear fly fast relative larger models Cliff made effort final flight slow airplane boost realism score smcothness increase low score four five Contestants given copies score sheets also permitted see sheets Only team managers permitted examine score sheets Dolly made handwritten copies flights keep fellows informed help improve low scores other World Championships score sheet dupli cates marked judges available contestants Paris organization fair communications second-rate respect French organizers excelled Score totals standings given out dinnertime evening including flight totals bonus well static scores couple Canadian entries particular interest four-engined deHav illand DH86B Rapide Express Steve Gray OS 20 engines 8-ft span another models built maximum allowable weight 30% bonus applied Steve secondhighest flight meet very accom plished pilot ffies Canadian Spruce Goose regularly DH performed well near scale speed model execute chandelle properly maneuver reserved non-aerobatic aircraft Steves documentation sadly lacking reflected static score about 1000 points too low Added information could easily make DH winner other notable Canadian entry Graham Irelands Fokker F VIIA trimotor first weigh-in model found 4 oz overweight Graham immediately set work replacing its heavy wheels New 4-in-dia wheels turned balsa plywood disc center core using Continued page 180 November1984 177 ACK-U-VOLT Digital DC Voltmeter Kit 3 Dinit LEDAiuwjsne Con - 0-999 & 5-999 stes Case ttsck Andind noih toolsInpos & Clot CabIns NiCd 50tna batsns 55f Test could valuable item flight bos No need guess hatteries need charged Atno valuahle voltage monitor quick charging Simple build simple use 3 digits shows yoa what battery voltages somply psessing switch places load hat 4tery no question charge Special lens fitte makes easier read sunlight HOLD switch holds display input moved handy wish record values later 4sose Charge 45 5lma charger 4 T TAKE CNANCEOETANACK-U-VOLT belier product modeler H8N ELECTRONICSosn,nom 44 nurnrAuOn 5*300no coo FULL SIZE PLANS No 457 Spectra$ 700 RC Electric-power craft uses three different wings Soaring Aerobatics plain Sport flying Use 05-size motor 6-8 cells Dauntless$ 575 CL Profile Carrier 15-power events Two sheets Sky Pursuit $ 300 FF Old-Timer Rubber power 1932 Joe Ott-designed Spans 23 No 458 No 459 Na 182SUIutta ci Stunt model McDonald winner 1 9761980 1982 FAI World Champs$ 375 Na 228Ole Ralable AC 70 version 38 old-timer REM contrnls 1 9-25$ 425 Ne 239Blue Blade AC Ken Willards tormotino plane 4-channel 10-power$ 375 Na 262Creshasaxtar CL Crash-proof trainer two sizes1 5-30- 35-40-power$ 125 No 299Baa Bee Sr Speetatar AC A-scale hy Haffke 91 power Prototype upon 30ff Two-and-a-halt sheets$1175 Na 302MIat F16 AC Sarpolos 049 docted fan upon flier 2-channel Balsa wingo fail fuse structore$ 275 Ne 3101930 Flael BItilam AC Sport Scale 35-40 4-channel Wingspan 56 scale Two sheets$ 625 Na 314Drake t AC Ken Willards flying hoot 3-channel 15-power Fly fond removahle gear$ 375 Na 326Taytar Cab AC Don Srolrs Schoolyard-Scale 049o 2-3 channel Spans 50 in-$ 350 Ne 332Zepliyr AC Small 2-channel glider hand-launch tow thermal slope soaring$ 200 Ne 343Wasp VI FF Mike Stays Nuts-winning Outdoor l-ILG$ 100 Na 348Onaslap AC Trainer han very forgiving flying qualities Three-channel 1 0-25-power$ 425 Na 354Naityc AC Giant 155-In upon Sailplane ones 3 AC channels$ 750 Na 388Plecas PF Indoor Easy B Aubher-power contest-winner hy W Van Gorder$ 100 Na 362SaparciE AC Half-A Pylon Aacerlsport flier Aileron elevator Control Foam wing$ 2 00 Na 385Sasmialar AC Willards 40-size flying hoot f 4-channel Strap-on gear landplaeel Two sheets$1100 Ne 383Camate 82 AC Fly sloak Nats-winniog Sailplone AMA Mnd Std Unlimitnd classes$ 7 50 Na 386Laser 208 AC Sport Scale replica championship Aerohahc flier Uses 40 power 4-5 channel Two sheets$1 075 Na 383yeA Kialed KIag AC Aeduced modernized version 1036 design hA 0ld-Timer- 2 3-channel$ 450 Na 398Baa Baa R1 AC Haffkes latest A-scale spans 75 weighs 15th flies no90 larger Four sheets vs doc$2225 Na 389Zephyr 1100 AC AMA Class B Sailplane 3-channel AC gear$ 675 Na 403Cab Flaatplaae AC Sport Scale 049-1 0-size engines 4-channel AC J-3 floats isa classic$ 650 No 4688a-Velt8n AC elechicpewer sport flier 2-channel 05 mat or$ 650 Na 416Peber Plate AC Scale famous EAA plane 40-power 4-channel Build upon Precision two sheets PIUs doc$1 300 Ne 412Masqatta AC Spon Plane twin uses 10 engines 4-channel AC$ 825 Na 414ElectrIc Sparky AC electdc-pnweredfunflierfor 05 motor 3-channel AC scaled up 1939 rubher-power favorite$ 850 Na 415Nawkar Ituretemee Uk AC Electric-power Sport Scale tori S motor 3-4 channels Two sheets$1175 Na 420Rack 666 FF Competition Class orOfor 1 0-21 power Has variotrle-incidenco fail VIT$ 600 Na 422Scuter AC Two-Meter Sailplane has won Nats event 19821963 plus other contests$ 550 Na 423Cloud Crutaer-2 AC Old-Timer takes 60-power 3-channel AC Two-piece wing option easy transport Two sheets61275 Ne 424Bead Tent FF Embryo Endursoce robber-power float plane has opt losal whools stick-and-f issue delight$ 200 Ne 428ChIal CBpper AC Fatrulous 74-in-span Sport Scale flylflg hoot four 10-size engines 4-channel Three sheets doc 62000 Na 427Prilia PP Travelair Mystery Ship Miss Los Angeles profile all-balsa rubber models sport flyiog 1 7-in-spas$ 200 No429Deer EZ CL Old-Timer Stoat hiplane has profile fuselage uses 25 engine$ 400 No430kanakle AC Zippy little sportster 1 0-1 5 power 3-channel AC$ 400 Ne 431Lackhaad P38 AC Fan-scale twin-1 5-flier f 4-channels Two sheets61300 No432Phuato CL Updated Thunderhird-style Stuofer 35-40 evolves$ 575 Na 433Walls Up AC Electric-powered glider 2-3 channels 035 motor spans 52 0 No434Sly SIr CL IsA foam-wing Combut ship won 83 Nuts Use TO 049-051 power$ 350 No435ThIs N ThaE AC Aerohatic hiplane 40 engineo 4-channels Great spon flying$ 650 No437Klegflaher CL Profile Carrier plane spans 40/s uses 35 engine$ 600 No438CruIser PP Embryo Endurance mhber-power fun ship has trig-model characterishcs$ 200 Na 439Oasperadrc AC flying wing unique negative dihedral flies 4 channels 1 9-40 power Foam wing 50 Ne 446Caesar AC Old-Timer-like new design has huge wing slow easy flights 35 power 3 channels Two sheets$1725 No441NIt WII PF Hot small lightweight campeotion ship far 15 power try designer Harry Murphy$ 475 No 442Lazy Duck AC Big canard sport flier InA-09 power 2 channelo Uses loam heard parts$ 650 No443Turbo Pertar CL Scale 25 power Simple lines oasy truildiog Two sheets $ 675 No 444Flrabelt AC pusher canard sportlpattern uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 Ne 445Nesarttlr Cougar CL Scale model popular homehuilt won Nats Uses 21 engine speos 41 in$ 925 Ne 448La Crete AC Electric-powered upon flier tar 05 motors 3-channels Two versious parasol colon$ 550 No447A Mtee AmerIca AC Old-Timer /sA Texaco model 049 glow 2-channels 0 Na 448Screamts Eaglet AC Partial plan modifying Goidhengs Eaglet kit hotter aerotraucs$ 400 No449Saflue CL Sportitunt plane 40-size 4-stroke engine builds fast easy$ 600 Na 450Icy Boy 74 FF CO-2 power flies 24-in-span replica tomees 1948 long-failed compehhon ship$ 200 No451ElI Blptaea Sealer AC Redesign sleek 1937FF triplane 3-4 channels 29-40 power Two uheets61175 No452Baa Bee L AC Doarter-scale spans 71 in. uses 90 power Four sheets61600 No453Smoefttle Profile CL Profile rendition Botr Palmurs super-Stunter early Fithen 35 power$ 550 No 454Sweet P30 PP Neat shck-and-hsaue Outdoor Aatrtrer P-30-class model contest-winner$ 200 No455lAster Malpa CL Big Scale model famoan air racer spans SB iv onus 60 pewer Two sheets$1 375 No45818-Tech 20111 AC Dacted-fan fufaristic-looking canard fur 25-size engines Built-up conutruchon Three sheets61175 Circle numbers plans wish order 193225239 993023103143263321 343348354358362365383386393398 399403408410412414415420422423j 424426427429430431432433434435 437438439440441 442443444445446 447448449450451452453454455458 I I I NAMEI II STREETI II oms II STATE _______________________ ZIP _______________________ II I 457458459 Prtce includes fIrst-class postage within US Fir aNita intslim Its US. please add $250 Air Mail 5125 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivefy Please print carefully Enclosed _____________________________________ electric drill lathe painted wheels looked bit good rubber-tired rejects Weight model reduced just under 6 kg substitution ever lack resiliency new wheels caused nose-over takeoff Graham didnt complete flight compound difficulties nacelle fuel tanks leaked model excellent quality having dummy engine cylinders cast polyester resin wing completely covered varnished birch veneer original Engines Enya 40 four stroke Incomplete documentation kept Grahams static score quite low success formula FAI RC Scale contests appears model built large possible four-stroke multi-engines weight near top limit Twenty 40 RC entries weighed near 6 kg Three mod els actually over limit indicating desire build right up limit possibly lack accurate scale pre-weighing four-stroke engine has advantage provided properly cooled can swing large diameter efficient propeller sound fourstroke compared two-stroke must surely influence reaction judges Forty entries seems limit can handled single crew five judges future can certainly expect entrants required extra judges will add financial burden organizers Look increased entry fees Judges would prefer several threeview drawings presented avoid con gestion around drawing shorten judging time Insufficient documentation problem some oontestants par ticularly attending first World Championships flown Stand-off events previ ously documentation presented book form data seen disas sembled judges could pass photos around Printed information al oompletely useless judges will take time read anything Near end static judging observed time required plane reduced 20 minutes com pared over half-hour earlier Being judged last advantages Judges viewed top both sides front bottom looked unpainted wheel-well inte roors Because judges touched models may reason change rule specify judges may approach within meter nearest part model Judges seen hold color cards directly against models surfaces intended happen- present rules formulated As mod els judged Paris change previous FAI judging seemed absence actual measurements scale rulers Except shortening time near end static judging models received same treatment 180 Model Aviation 0 0 C --0 cJ 0 CJ 0 C 60 zoo ci 0 -C 0 -- Co ci 00 o -- no -V - Os a -Q 80 C no4 C -V oaoa ea us oak -U no Cc o 00 El1 ow 00 c Os 0 SC S
Edition: Model Aviation - 1984/11
Page Numbers: 84, 85, 86, 87, 88, 89, 90, 91, 176, 177, 180
Sc ALE WORLD CHAMPIONSHIPS es motorized grinder located within used loading passengers about 800 feet $ t few feet terminals main entrance terminal distance between Paris July 28Radio Control flights made anthe two areas activity made difficult immense concrete paved area formerlyproperly report both events RC such excellent weather lightly-loaded planes could effectively compete heavier models Australians took top two places Radio Control event USSR team again victori ous Control Line EBob Dolly Wischer HISTORIC LeBOURGET Airport Paris Musee de LAir scene Eighth Scale World Championships Radio Control Control Line airplanes Models displayed inside old ter minal building late 1930 era seen no airline activity since traffic diverted Charles De Gaulle Orly Airports building presently being renovated receive aircraft museum will transferred Chalais-Meudon within next year Concrete dust stirred thousands visitors feet coated models constantly during week stay LeBourget Airport remains use freight operations mostly jet aircraft few monster prop-driven Boeing Guppy conversions add interest area flights along edge field adjacent museum separated full-scale operations half mile Control Line circle its concrete joints polished smooth 84 Model Aviation First place H won David Masterton Australia all-metal-covered DeHavil land Drover trimotorwith Enya 40 four-stroke Washout 7 makes ultra-stable flight Another Australian won second place RC Warwick Gregory wIth Avro 504K WW era Covering Silkspun Coverite finished cleardope enamei finaily clear overcoat landing gear includIng tail skid sprung Photos authors area row extremely tall light poles along side near spectators space some pilots found intimidating Actually airplane flying near poles would have maneuver disqualified flying above spectators behind deadline Organization meet adequate contestants accommodated single modem hotel located about 1 miles airport Breakfasts dinners served hotel entire group occasions contributed general mixing nationalities Lunches served dining room airport terminal building Except typically light French breakfasts feeling being too well fed plenty water dont drink wine meal Seventeen nations competed 40 airplanes entered RC 18 CL competitions large number RC entries 40 being flown three days meant strict discipline needed followed flight line because set ofiudges used both static flight Control Line oper ations conducted leisurely pace Fortunately weather three days absolutely perfect having quite warm temperatures almost complete absense wind during day lack wind have considerable effect final results aircraft equal chance regardless wing loading As expected RC models having advantage high bonus applied flight scores placed high standings dozen entries having 5% bonus highest placement 17th position However two 30%Left Handmadefibergiassspinnerswere required toget Skip Masts Lockheed Ilerculesdowfl required weight making hand starting necessity Fiberglass also used cowls naceiles wheel blisters gear doors Right RC Sopwith snipe Englands Peter McDermott features rotating dummy engine exhaust-driven mounted large heavy bail bearing extra nose weight flights end prop stops engine continues spin Undercambered wings covered nylon finished dope Humbrol paint Left Drulne Turbulent 0-31 byJosef Mayer Germany 151/4 scale Engine HB 60 Robart pump Covered Ceconlte 111gm Nicolo Saittones 1/4-scaie RC Stits Playboy covered Solartex 71/2 lb lightest model event Webra 60 power November 1984 85 US Scale Team LR Cliff Tacle Citabria Jeff Perez Boeing B17 Dolly Wischer team manager Ron SearsStearman PT-i 7 John Guentherasst team manager Clayton Skip Mast Lockheed Hercules Bob Underwood Alcor Mike Gretz Ziln Akrobat bonus entries low static scores effectively dropped out running Because higher bonus applied multiengine aircraft incorrectly assumed single-engine models disadvantage Six top 10 single engine US Control Line team consisted Mike Gretz Zlin Akrobat 526 Ron Sears Stearman PT-17 Jeff Perez Boeing B-17 Fortress Radio Con trol Bob Underwood Alcor C6l Skip Mast Lockheed Hercules C-i 30 Cliff Tacie Bellanca Citabria Dolly Wischer team manager John Guenther assistant John living Paris summer speaks French played important role communica tions lone US judge Andy ber Control Line competition Preparation World Championship has taken new meaning result lessons learned Paris RC Austra lians won first second placeslargely because well prepared Australian team arrived Paris week early practice model burned gallons fuel local club field Winner first place David Masterton professional pilot flying model deHav illand Drover 1953 trimotor practice airplane all-foam construction covering also trimotor Its appearance simply awful us would hesitate seen its presence model served its purpose Daves preparations continued through com petition flight arrived flight line check list stopwatch item tool needed spare part ac counted definite place flight itself may have less perfect static score highest Five competitors better flights lower static scores end second round first place securely grasp no need fly final round unless near competitor made exceptional flight static scores posted rush examine Daves Drover much detail admire Structure balsa 1/16-in sheet cover sanded 1/32-in thickness completely covered alumi num alloy sheet 0035 thickness specially rolled maximum hardness aluminum easily damaged handling fastened balsa contact adhesive except along panel stroAmlot ncw iuaiurw ngnIy-awanua manaing guar witn guam operating UflOCK struts six iineswmtn electric gearretraction - -working flatches wired spark plugs its dummy engine Assembly atter snipment Tour-flour task Hignt Brian Taylors latest design Bristol Beaufighter 79-In span uses pair Enya 40 four-stroke engines Finish Brians usual lightweight tissue banana oil base Humbrol paint applied over placed seventh 86 Model Aviation iways contenuer MICK hleeves newestaesmgn ass Hawker Hurricane MKW Engine cool ing air comes radiator under wing small gap behind spinner Mick British team member proved WW ii fighter can flown true scale speed edges epoxy used Rivet detail embossed individual panel rear tooling obtain uniform impressions Although detail complete respects model no retract ing landing gear working oleo landing gear used springs addition rubber com pression dougimuts Knowing past experience all-metal airplanes may have radio reception problems asked Dave whether model affected answered JR equipment wasnt susceptible signal loss metal air plane Dave solved instability situation sharply-tapered wing adding 70 washout no reason doubt angle very easily visible Another feature contributed stability models light weight 106 lb its 7-ft wingspan Three Enya 40 four-stroke engines provided excess power prove single-engine airplanes re main contention World Champion ships Warwick Gregorys entry WW Avro 504K 72-in span weighing 1025 lb Its light wing loading wasnt detrimental very low wind velocities LeBourget model qualified 25% flight bonus 10% came Avro having pre-1914 design Actually 504K built after 1914 interpretation bonus rule brought about protests some teams jury decided rule should interpreted mean airplane designed before 1914 model would have finished seventh place benefit jurys ruling Look clanrun uu.u tun S. an. ra.j.iv wan CA. alt, uuflib drop trwa dive speCtuumairare tWlflSkwumu nunwas CL British ently wunt kept low tissue covering lightiy-uppzitid Humbrol paint tvu-pun polyurethane top coat November 1984 87 Ultra-quiet Salto 45 four-strokes Bob Underwood-u uur uru wuu ig ing gunurulnu Balsa structure covered -oz glasacloth K&B resin finished biackauto enamei fication rules future Gregory built model David Bodding tons drawings modifications including undercambered scale airfoil extra 5% bonus truly unusual entries Le auter uu uuuuuyuu uwi aug uuuuu uaouuu nuipau .selage nose cockpit ma mu authentic 1/4-suau RC Sopwlth Tabloid Italys Carto achieved high flight scores Full results Competition Newslettersection issue Bourget Bob Underwoods twin-en gined Alcor attracted commensurate attention US model could possibly have overtaken Austra hans first place Weak landing gear legs tended partially collapse cause nose-over landing prevented accum ulation high K-factor landing scores Higher scores landings could easily have added 11 points needed move Bob second mere two-tenths percent Better landings Bob could also have forced Masterton make thirdround flight preserve hold first place remainder Bobs flights usual job extremely smooth precise flying Alcors two Saito 45 engines notably quiet extent judges complained inability determine whether engine throttled during Bobs single-engine flight option As far known single-engine operation never elected flight option FAI RC Scale its two engines close fuselage centerline built-in out-thrust configuration ideally suited singleengine operation control compen sation model also does excellent job maintaining true scale speed small change airspeed detec ted engine throttled no loss control engine spite planes 13-lb weight Control Line Scale two con tests determine Soviet competitors would take first place other other plane covered silk fuselage silkapan wings Right Polish trainer TS-8 Bles CL entry Stephan Left highest CL flight score made Mike Greta electronically-controlled Zlln 526A 71 -ln-span acrobatic Petrov Bulgaria fine aluminum foil finish didnt help Petrovs static score turned out lowest contest Left Norwegian Vidar Tolfsens RC OH Tiger Moth seriously overweight 146 lb its four-stroke engine Enyn 90 Right illfated RC Fokker F VII byGraham ireland Canada never fly An overweight condition forced modifications kept grounded 88 Model Aviation First place CL Scale won Vladimir Fedesov right Antonov AN-28 turboprop airliner uses pair 60 bevel-gear-drive engines fit confines its tiny nacelies entrants Vladimir Fedosov Valery Kramarenko Antonov AN-28 AN-26 twin-engined aircraft looking ever professionally built placed first second models used bevel-geardrive 60 engines first seen 1974 fit turboprop nacelles Antonovs engines entirely trouble-free Fedosov lost outboard engine flight considerable engine testing certain future flight comple lion models use line control flaps retracts throttle prop pitch reversal latter demonstrated backing airplane end flight after taxi maneuver Kramarenko also has three landing lights actuated wheels lowered very rich setting outboard engine third highest-scoring flight props refused reverse Third-place winner Vladimir Boulatnik ov used Webra 61 Air biplane late- 1920 era Control digital two steel cables pair wires carry signal first giance model ap peared powered four-cylinder aircooled engine exposed rocker arms its finned heads actually dummy mounted horizontally underneath Blackburn Cirrus engine belt-driven close scrutiny whole airplane valve mechanism Webra found unusually well detailed Left Vladimir Bouiatnikov ready install belt-driven dummy Blackburn Cirrus Webra 60 CL Air biplane Excellent detail visible strut wire fittings Right Boeing B-IT Fortress Jeff Perez flown its second CL World Champion ships TB-in -span bomber has two-piece fuselage comes apart wing trailing edge allow more-manageable shipping box Left Carlo Mapelils RC Smith Minipiane uses geared OS 60 61 -in-span bipe Vs scale finished actylic lacquer over Fab ricote Right Loch Podgorski Poland has competed manyCL World Championships HisTupolevTU-2 WW ii bomberis heavyat 15 lb November 1984 89 Swiss contestant Konrad Oetiker flown /4-scale Bucker Jungmelster previously 1982 World Championships Reno Engine subsequently changedtoa Salts 1 2ofourstroke Finish Solartex two-part auto paint Six top seven used four-strokes rigging wire terminated perfectlyformed clevis pre cisely like others indicating parts made programmed ma chine tool methods expected marks amateur-built products absent three Soviet airplanes Boulatnikov made complete flight Engine operation seemed marginal Webra hard pressed maintain flight large heavy biplane An interest ing feature Air its animated pilotwho turned head saluted model stopped directly front judges No comments heard judges effective ness maneuver scoring Jerzy Ostrowski now engaged home-built movement native Poland returned yet another World Champion ships famous Lockheed P-38 Lightning model now looks better ever after having rebuilt following devastating crash nearly wiped out masterpiece Engine trouble two Supertigre 60s due lean runs brought about serious problem second flight engine failed model proved incapable sustained altitude engine After several descending laps landing gear failed extend due tangled lines P-38 landed hard its belly tank absorbed impact Lightning drops bomb diving quite steeply hazardous maneuver model barely has time recover descent Mike Gretz highest placing US en trant overcame low static score mak ing highest scoring flight Control Line event boost himself welldeserved fifth-place finish Mikes Zlin Akrobat 526 has extremely smooth control digital equipment control box mounted Mikes belt operated left hand right used elevator Optional demonstrations include flaps throttle air-operated landing gear Zlin Sig kit prototype Chris Bradford England has reliable model Nieuport 17 proved himself experienced skillful pilot model has appearances battle-weary relic WW Its nylon covering material has dyed English tea produce true antique finish Its weathered demeanor may have carried bit too far static judges obvi ously impressed streaked oil smudges proper places dummy engine came Williams Bros model originated VK kit once flown RC its controls could converted back RC desired weight 56 lb HP 61 engine easy task performing flight maneuvers ordinarily seen CL Scale Chris performed smooth round loops started finished same altitude Nieuport finished surprising sixth place Ron Sears competing first World Championships enjoyed minute except tummy butterflies before flight mentally practiced flight routines continuously midnight excitement pre cluded sleep Posted static scores broight attention models high quality Ron benefitted static judges desire examine models closely surface texture craftsmanship scale detail Although rule book states specifically three items judged meter 39 distance judging actually done zero distance model touched ascertain its surface texture also done RC static judges Ron nothing fear such close encounters Coverite Ran dolph dope finish could withstand close scrutiny flight Rons Stearman strict ly non-aerobatic 12 lb carried Supertigre 60 engine Jeff Perez entered second World Championships first having Kiev Soviet Union two years previously model same Boe ing Fortress 0S 25 enginesreli able stable flight suffering same low static score first flight best last ended damaged landing gear However single good 90 Model Aviation DH Comet uroavenor House cnoice o uwiss compeuior nanurusa Lelmer RC pair four-stroke 05 40 engines powers 88-in-span McRobertson racer Chris Bradford ngiana soaKea ins nyion covering Nicuport 17 tea week dye fabric dummy engine came Williams Bros model itself VK kitconverted RC ck documentation OH 869 Rapids Express kept static score low though him ta among tne best nes gave stabie flight heiped 4 oz nose weight Right Canadas CL entry V splane Bill Logan , ,erlte exceptforthe siuminum nose section Hobbypoxy Scoring CL models doesnt includes compiexity bonus flight enough place US team second position final standings satisfying conclusion meet Jefts 78-in-span Boeing finished Aero Gloss dope over silkspan silk compound curves impregnated poly ester resin insignia painted An unfamiliar aircraft Heinkel HE 219 AZ Ron Truelove England very large model 81-in wingspan weighing 144 lb its two engines Irvine 40s Flaps retracting gear throt tles drop tank electronically controlled Returning RC competition des cription better models order Konrad Qetiker Switzerland Bucker Jungmeister 1 33C -scale size finished fourth place 126-lb aero batics trainer used Saito 20cc four-stroke engine Hansruedi Zeller deHavil land 88 Comet racer finished fifth place used pair 05 40 four-stroke engines combined efforts two gave Switzerland Team Championship RC Scale nothing exceptional about either Swiss planes Both large near FM upper weight limit both powered four-stroke engines six top seven RC models impressive statistic especially view fact 12 40 airplanes four-stroke-powered RC Mick Reeves England competing eighth World Championships includes date aircraft Hawker Hurricane Mik 2C Engine cooling air entered through radiator beneath center wing carried forward duct work flow over cylinder Enya Continued page 176 Left metal identical its prowtype xne Lri rr IrucKeI iwin Cnuriuu LUV ui uuu pair OPS 408 buried inside dummy cylinders Tuned pipes authentic Right Wim Reynders Belgian Standoff winner ai numb two years ago less successful Spitfire Mk 14 Paris Finish tissue banana oil Poiycoat paint rubbed fora metal finish Only air intake gap behind spinner November1984 91 Near perfection lathe best description Valery Kramarenkos CLAntonovAN-26 Specially made horizontal-cylinder engines use bevel gears drive reversible-pitch propellers LCfl norsemn reaursen OT Idorway prepare mis RC Spitfire Mk 14 5Lu1IIjuuu5I 1 Right Philip Avonds Belgian air force pilot regularly flies F 68-in-span Mustang finished epoxy has toggled sequential gear doors uuiuru u drop tank ScannerlMare Continued page 173 available space will Notice sketch schematic wiring dia grams attenuator Install switch out circuit High knob down Low About 30dB attenuation obtained use allow monitor strong nearby signals switch attenuator collapse antenna Remember though makes scanner less sensitive weak out-of-the-area inter ference Periodically activity permits attenuator should switched out antenna extended check possible incoming interference Crystal Holder Now youve got -SCALE DOCUMENTATION SCALE DRAWINGSMODEL PLANS PHOTOS BOOKS EPLA TECH 1984 AIRPLANE N ERNA ONA CATALOG48500 MC KENZIE HWY $300VIDA OREGON 97488 SILICONE tr ID 062 092 125 U S POST 10 foot coils TUBING S/coil 235 265 3 2554 CO L [ LARRY DODGE ERG INC 10210 MANNINGSTILLWATER MN 5508 NOSTALGIC FLYING NEW VERSION OF ORIGINAL CHRISTMAS CARD TRU-FLITE MODEL FROM THE PAST reje When,. Pesos to, 40s Solids isto en eSeol,telv SeeottI tflee Model ttStOoOeI I5eo5 ~ oo~s Note usa GeetssteetetoIy dose 0e 24 Istshensekpe3 p2495 Box S2mn Rosaville MI 48066 TORK-STARTER $2995 Charger 11 tV 220V 1 2V Fast Charger $2095 Without Charger CHARGERS $1295 Charger Only Ill OV 220V 1 2V Past Charger 301 464-2260 nice new modern plug-in crystal attenu ated scanner youll getting complete set crystals go youll need way store transport identify May suggest Deluxe RC Crystal Caddy after brown bag has no class caddy started life off ubiqui tous plastic sandwich box snap-on cover nearest food store come sizes shapes choice Superseal #3427 nationally avail able however similar will onehas inside dimension 5%-in square insert based use another size merely adjust outside dimensions insert ac tual crystal holder youll need piece plastic least Y16-in thick Measure mark off material per diagram drill 36 holes required #56 bit exact crystal pin spacing 192 rather difficult lay out fractional scale accurate set pair dividers right dimen sion using crystal pins guide mark hole spacing labels crystal holder cut Airtronics Frequency Card can have asking order crystals Apply some thin double-sided tape rear card before cut out individual labels find Sonic-Tronics Crazy Tape excellent other modeling chores Keep protective covering until youve trimmed labels size trimmed drilled labeled crystal holder secured case sticky tape piece foam rubber attached cover keep crystals place during drive field Neat huh Cars boats Basically weve treated update aircraft frequencies since primary RC interest However scanner works equally well 75 MHz car boat frequencies can convert channels either methods described Air tronics does have Crystals hand same price correct labels found other side card Tuning future time feel scanner losing sensitivity first thing after verifying batteries good shape check tuning photos y5TE Easy use part no mix paint system No mixing No waiting Fast drying extremely fuel proof Formulated just modeler covers surfaces paints resins Send free instruction brochure BUY IT YOULL LIKE IT SIG MFG COMontezuma IA 50171 shows proper spots PC board whici can pick up modulated waveform thl detected output Tuning should done tin middle band using antenna-down trans mitter some distance away signal source Adjust RF IF transformers maxi mum signal scope Physically lo cated line starting vicinity antennl input towards center unit Crystals once again Airtronics has graciousl agreed furnish sets new frequency crys tals special prices duly registered plane boat car clubs Included also packagt will some molded crystal caps bt used originally-installed crystals whict have Write Airtronics curren information meantime isnt nice know thal something own thought ha obsoleted technology can updated tc fly again Parts update As writing two types ol crystal sockets erroneously listed HC-1S crystals must HC-25 made former cataloged Semi conductor Surplus 2822 North 32nd St Unit 1 Phoenix AZ 85008 priced 504 actually two $100 have sia minimum also always list lot useful items getting order level difficult Ask check catalog Scale WClWlschers Continued page 91 90 four-stroke Air made its exit through dummy exhaust stacks method could successful Englands cool weather high temperatures existed during three flying days Le Bourget Mick cooling problems noticeable loss engine rpm engine spaced back 15-in shaft extension model weight 129 lb meant engines full output needed maintain flying speed Mick con centrated using enough power result speed scalelike Features model handmade aluminum wheels tires molded Devcon RTV compound paper covering over balsa structure Hobbypoxy finish over dope-and-talc filler Brian Taylors Bristol Beaufighter second-highest static score along flight reasonably high quality As can expected Brian model exceptional Surprisingly 176 Model Aviation r Rk MFG OF NI STARTER $2995 Charger PLEASE SPECIFY WHICH CHARGER WHEN ORDERING TORK-STARTER revolutionary concept power 15V glow plugs model cars boats air planes using glow fuel engines TORK-STARTERITMI has steel wrench strong enough reduce compression easier starting ft supplies power vhII dolag comes new CIlO charger has LEO indicate unit charging also has removable T handle can used Torque amplifier Over 50 consecutive starts full charge rechargeable hundreds times Clips Onto plug positive connection Send ad along pre-paymens receive free shiooino handlino 12721 HASKELL LANE BOWIE MARYLAND 20716 L STICK&TISSUEMODELSFOAM SCALE ARE GREATMODELS new sheet foam bailds easier-Peanuts difference youll enloyat& Up lowest cost Several scale de signs available antique des sic warbirds 6 homebuilts Send $1O0forlatestplanslistfoam-samples discount coupon etcflex 652AM GETAFREECO-2MOTORSt CreSt Falls SW 54024 LMP 1000 LMP 1000 ultra light sport glider designed perform light heavy slope conditions Aileron elevator controls combined size weight airfoil makes ideal airspace limited kit includes quality balsa hardware rolled plans need glue covering radio Wing Span 41 Wing Area 275 sq Length 285 Flying Weight 1314 oz Wing Loading 6575 oz/sqft Two Channel Radio Mini Servos 250 MAH BATT $2500 includes shipping UPS COD cash money order CA ales tax Dealer Inquiries Invited LINDSEY MICRO PRODUCTS 160A N Fairview Ave Suite 104 Goleta CA 93117 y engines inside cowlings rge airplane 79-in wingspan Brian sd kept weight down 12 lb using special covering method banana oil ver light tissue topped off Humbrol aint Skip Masts Lockheed C-130 Hercules tracted maximum attention ights general disbelief trge four-engine model foam construc could kept under 6 kg FAI eight limit Models weighed first efore static judging super-accurate igital-readout scale Skips Herc reighed again after flight Bob Inderwoods Alcor re-weighing rocess meant bit fuel needed removed tanks certain f being under limit re-weighing somewhat irritating implied sus ected dishonesty part US am members Actually weighing f C-130 little less reviously perverse attitude also vident Skip lost bonus oints because engine quit about iidpoint second flight rule garding loss bonus isnt clear ngth time engines must operate i addition officials ruled Skip iould lose landing gear retraction nus Team Manager Dolly Wischer ar ied unjustified ints retraction returned after ard rule clarification regarding required ngth engine run should forthcoming Jean Rousseau France chose model subject push-pull twin-en ined Moynet 360 Jupiter prototype thich display nearby mu eum model balsa structure imost entirely covered thin alumi um sheet five airplanes ompetition metal exteriors Coin ound-curve sections glass poly ster resin Eleven servos used ontrol airplane destroyed entered near-vertical dive high Ititude long range serious crash f meet Conjecture cause tcluded radio link problems udible erratic throttle servo least ugine also suspected midair hanical failure structure Another uncommon French entry Colomban Cri Cri Cricket Charles Levy truly all-metal model built scale 1/24 other words slightly less half size prototype all-metal twin-engined aerobatic singleplace monoplane using tiny two-stroke en gines tuned pipes have seen airplanes action Oshkosh performing spectacular canopy-to-canopy maneuvers model powered pair OPS 40s hidden within dummy single cylinders all-metal twin weighing 599 kg 132 lb span 78 typical example model built up limit FM specifications Cliff Tacies 68-in-wingspan Bellanca Citabria smaller airplanes compete substitute crashed Spezio TuHoler model down graded flight realism because its small size made appear fly fast relative larger models Cliff made effort final flight slow airplane boost realism score smcothness increase low score four five Contestants given copies score sheets also permitted see sheets Only team managers permitted examine score sheets Dolly made handwritten copies flights keep fellows informed help improve low scores other World Championships score sheet dupli cates marked judges available contestants Paris organization fair communications second-rate respect French organizers excelled Score totals standings given out dinnertime evening including flight totals bonus well static scores couple Canadian entries particular interest four-engined deHav illand DH86B Rapide Express Steve Gray OS 20 engines 8-ft span another models built maximum allowable weight 30% bonus applied Steve secondhighest flight meet very accom plished pilot ffies Canadian Spruce Goose regularly DH performed well near scale speed model execute chandelle properly maneuver reserved non-aerobatic aircraft Steves documentation sadly lacking reflected static score about 1000 points too low Added information could easily make DH winner other notable Canadian entry Graham Irelands Fokker F VIIA trimotor first weigh-in model found 4 oz overweight Graham immediately set work replacing its heavy wheels New 4-in-dia wheels turned balsa plywood disc center core using Continued page 180 November1984 177 ACK-U-VOLT Digital DC Voltmeter Kit 3 Dinit LEDAiuwjsne Con - 0-999 & 5-999 stes Case ttsck Andind noih toolsInpos & Clot CabIns NiCd 50tna batsns 55f Test could valuable item flight bos No need guess hatteries need charged Atno valuahle voltage monitor quick charging Simple build simple use 3 digits shows yoa what battery voltages somply psessing switch places load hat 4tery no question charge Special lens fitte makes easier read sunlight HOLD switch holds display input moved handy wish record values later 4sose Charge 45 5lma charger 4 T TAKE CNANCEOETANACK-U-VOLT belier product modeler H8N ELECTRONICSosn,nom 44 nurnrAuOn 5*300no coo FULL SIZE PLANS No 457 Spectra$ 700 RC Electric-power craft uses three different wings Soaring Aerobatics plain Sport flying Use 05-size motor 6-8 cells Dauntless$ 575 CL Profile Carrier 15-power events Two sheets Sky Pursuit $ 300 FF Old-Timer Rubber power 1932 Joe Ott-designed Spans 23 No 458 No 459 Na 182SUIutta ci Stunt model McDonald winner 1 9761980 1982 FAI World Champs$ 375 Na 228Ole Ralable AC 70 version 38 old-timer REM contrnls 1 9-25$ 425 Ne 239Blue Blade AC Ken Willards tormotino plane 4-channel 10-power$ 375 Na 262Creshasaxtar CL Crash-proof trainer two sizes1 5-30- 35-40-power$ 125 No 299Baa Bee Sr Speetatar AC A-scale hy Haffke 91 power Prototype upon 30ff Two-and-a-halt sheets$1175 Na 302MIat F16 AC Sarpolos 049 docted fan upon flier 2-channel Balsa wingo fail fuse structore$ 275 Ne 3101930 Flael BItilam AC Sport Scale 35-40 4-channel Wingspan 56 scale Two sheets$ 625 Na 314Drake t AC Ken Willards flying hoot 3-channel 15-power Fly fond removahle gear$ 375 Na 326Taytar Cab AC Don Srolrs Schoolyard-Scale 049o 2-3 channel Spans 50 in-$ 350 Ne 332Zepliyr AC Small 2-channel glider hand-launch tow thermal slope soaring$ 200 Ne 343Wasp VI FF Mike Stays Nuts-winning Outdoor l-ILG$ 100 Na 348Onaslap AC Trainer han very forgiving flying qualities Three-channel 1 0-25-power$ 425 Na 354Naityc AC Giant 155-In upon Sailplane ones 3 AC channels$ 750 Na 388Plecas PF Indoor Easy B Aubher-power contest-winner hy W Van Gorder$ 100 Na 362SaparciE AC Half-A Pylon Aacerlsport flier Aileron elevator Control Foam wing$ 2 00 Na 385Sasmialar AC Willards 40-size flying hoot f 4-channel Strap-on gear landplaeel Two sheets$1100 Ne 383Camate 82 AC Fly sloak Nats-winniog Sailplone AMA Mnd Std Unlimitnd classes$ 7 50 Na 386Laser 208 AC Sport Scale replica championship Aerohahc flier Uses 40 power 4-5 channel Two sheets$1 075 Na 383yeA Kialed KIag AC Aeduced modernized version 1036 design hA 0ld-Timer- 2 3-channel$ 450 Na 398Baa Baa R1 AC Haffkes latest A-scale spans 75 weighs 15th flies no90 larger Four sheets vs doc$2225 Na 389Zephyr 1100 AC AMA Class B Sailplane 3-channel AC gear$ 675 Na 403Cab Flaatplaae AC Sport Scale 049-1 0-size engines 4-channel AC J-3 floats isa classic$ 650 No 4688a-Velt8n AC elechicpewer sport flier 2-channel 05 mat or$ 650 Na 416Peber Plate AC Scale famous EAA plane 40-power 4-channel Build upon Precision two sheets PIUs doc$1 300 Ne 412Masqatta AC Spon Plane twin uses 10 engines 4-channel AC$ 825 Na 414ElectrIc Sparky AC electdc-pnweredfunflierfor 05 motor 3-channel AC scaled up 1939 rubher-power favorite$ 850 Na 415Nawkar Ituretemee Uk AC Electric-power Sport Scale tori S motor 3-4 channels Two sheets$1175 Na 420Rack 666 FF Competition Class orOfor 1 0-21 power Has variotrle-incidenco fail VIT$ 600 Na 422Scuter AC Two-Meter Sailplane has won Nats event 19821963 plus other contests$ 550 Na 423Cloud Crutaer-2 AC Old-Timer takes 60-power 3-channel AC Two-piece wing option easy transport Two sheets61275 Ne 424Bead Tent FF Embryo Endursoce robber-power float plane has opt losal whools stick-and-f issue delight$ 200 Ne 428ChIal CBpper AC Fatrulous 74-in-span Sport Scale flylflg hoot four 10-size engines 4-channel Three sheets doc 62000 Na 427Prilia PP Travelair Mystery Ship Miss Los Angeles profile all-balsa rubber models sport flyiog 1 7-in-spas$ 200 No429Deer EZ CL Old-Timer Stoat hiplane has profile fuselage uses 25 engine$ 400 No430kanakle AC Zippy little sportster 1 0-1 5 power 3-channel AC$ 400 Ne 431Lackhaad P38 AC Fan-scale twin-1 5-flier f 4-channels Two sheets61300 No432Phuato CL Updated Thunderhird-style Stuofer 35-40 evolves$ 575 Na 433Walls Up AC Electric-powered glider 2-3 channels 035 motor spans 52 0 No434Sly SIr CL IsA foam-wing Combut ship won 83 Nuts Use TO 049-051 power$ 350 No435ThIs N ThaE AC Aerohatic hiplane 40 engineo 4-channels Great spon flying$ 650 No437Klegflaher CL Profile Carrier plane spans 40/s uses 35 engine$ 600 No438CruIser PP Embryo Endurance mhber-power fun ship has trig-model characterishcs$ 200 Na 439Oasperadrc AC flying wing unique negative dihedral flies 4 channels 1 9-40 power Foam wing 50 Ne 446Caesar AC Old-Timer-like new design has huge wing slow easy flights 35 power 3 channels Two sheets$1725 No441NIt WII PF Hot small lightweight campeotion ship far 15 power try designer Harry Murphy$ 475 No 442Lazy Duck AC Big canard sport flier InA-09 power 2 channelo Uses loam heard parts$ 650 No443Turbo Pertar CL Scale 25 power Simple lines oasy truildiog Two sheets $ 675 No 444Flrabelt AC pusher canard sportlpattern uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 Ne 445Nesarttlr Cougar CL Scale model popular homehuilt won Nats Uses 21 engine speos 41 in$ 925 Ne 448La Crete AC Electric-powered upon flier tar 05 motors 3-channels Two versious parasol colon$ 550 No447A Mtee AmerIca AC Old-Timer /sA Texaco model 049 glow 2-channels 0 Na 448Screamts Eaglet AC Partial plan modifying Goidhengs Eaglet kit hotter aerotraucs$ 400 No449Saflue CL Sportitunt plane 40-size 4-stroke engine builds fast easy$ 600 Na 450Icy Boy 74 FF CO-2 power flies 24-in-span replica tomees 1948 long-failed compehhon ship$ 200 No451ElI Blptaea Sealer AC Redesign sleek 1937FF triplane 3-4 channels 29-40 power Two uheets61175 No452Baa Bee L AC Doarter-scale spans 71 in. uses 90 power Four sheets61600 No453Smoefttle Profile CL Profile rendition Botr Palmurs super-Stunter early Fithen 35 power$ 550 No 454Sweet P30 PP Neat shck-and-hsaue Outdoor Aatrtrer P-30-class model contest-winner$ 200 No455lAster Malpa CL Big Scale model famoan air racer spans SB iv onus 60 pewer Two sheets$1 375 No45818-Tech 20111 AC Dacted-fan fufaristic-looking canard fur 25-size engines Built-up conutruchon Three sheets61175 Circle numbers plans wish order 193225239 993023103143263321 343348354358362365383386393398 399403408410412414415420422423j 424426427429430431432433434435 437438439440441 442443444445446 447448449450451452453454455458 I I I NAMEI II STREETI II oms II STATE _______________________ ZIP _______________________ II I 457458459 Prtce includes fIrst-class postage within US Fir aNita intslim Its US. please add $250 Air Mail 5125 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivefy Please print carefully Enclosed _____________________________________ electric drill lathe painted wheels looked bit good rubber-tired rejects Weight model reduced just under 6 kg substitution ever lack resiliency new wheels caused nose-over takeoff Graham didnt complete flight compound difficulties nacelle fuel tanks leaked model excellent quality having dummy engine cylinders cast polyester resin wing completely covered varnished birch veneer original Engines Enya 40 four stroke Incomplete documentation kept Grahams static score quite low success formula FAI RC Scale contests appears model built large possible four-stroke multi-engines weight near top limit Twenty 40 RC entries weighed near 6 kg Three mod els actually over limit indicating desire build right up limit possibly lack accurate scale pre-weighing four-stroke engine has advantage provided properly cooled can swing large diameter efficient propeller sound fourstroke compared two-stroke must surely influence reaction judges Forty entries seems limit can handled single crew five judges future can certainly expect entrants required extra judges will add financial burden organizers Look increased entry fees Judges would prefer several threeview drawings presented avoid con gestion around drawing shorten judging time Insufficient documentation problem some oontestants par ticularly attending first World Championships flown Stand-off events previ ously documentation presented book form data seen disas sembled judges could pass photos around Printed information al oompletely useless judges will take time read anything Near end static judging observed time required plane reduced 20 minutes com pared over half-hour earlier Being judged last advantages Judges viewed top both sides front bottom looked unpainted wheel-well inte roors Because judges touched models may reason change rule specify judges may approach within meter nearest part model Judges seen hold color cards directly against models surfaces intended happen- present rules formulated As mod els judged Paris change previous FAI judging seemed absence actual measurements scale rulers Except shortening time near end static judging models received same treatment 180 Model Aviation 0 0 C --0 cJ 0 CJ 0 C 60 zoo ci 0 -C 0 -- Co ci 00 o -- no -V - Os a -Q 80 C no4 C -V oaoa ea us oak -U no Cc o 00 El1 ow 00 c Os 0 SC S
Edition: Model Aviation - 1984/11
Page Numbers: 84, 85, 86, 87, 88, 89, 90, 91, 176, 177, 180
Sc ALE WORLD CHAMPIONSHIPS es motorized grinder located within used loading passengers about 800 feet $ t few feet terminals main entrance terminal distance between Paris July 28Radio Control flights made anthe two areas activity made difficult immense concrete paved area formerlyproperly report both events RC such excellent weather lightly-loaded planes could effectively compete heavier models Australians took top two places Radio Control event USSR team again victori ous Control Line EBob Dolly Wischer HISTORIC LeBOURGET Airport Paris Musee de LAir scene Eighth Scale World Championships Radio Control Control Line airplanes Models displayed inside old ter minal building late 1930 era seen no airline activity since traffic diverted Charles De Gaulle Orly Airports building presently being renovated receive aircraft museum will transferred Chalais-Meudon within next year Concrete dust stirred thousands visitors feet coated models constantly during week stay LeBourget Airport remains use freight operations mostly jet aircraft few monster prop-driven Boeing Guppy conversions add interest area flights along edge field adjacent museum separated full-scale operations half mile Control Line circle its concrete joints polished smooth 84 Model Aviation First place H won David Masterton Australia all-metal-covered DeHavil land Drover trimotorwith Enya 40 four-stroke Washout 7 makes ultra-stable flight Another Australian won second place RC Warwick Gregory wIth Avro 504K WW era Covering Silkspun Coverite finished cleardope enamei finaily clear overcoat landing gear includIng tail skid sprung Photos authors area row extremely tall light poles along side near spectators space some pilots found intimidating Actually airplane flying near poles would have maneuver disqualified flying above spectators behind deadline Organization meet adequate contestants accommodated single modem hotel located about 1 miles airport Breakfasts dinners served hotel entire group occasions contributed general mixing nationalities Lunches served dining room airport terminal building Except typically light French breakfasts feeling being too well fed plenty water dont drink wine meal Seventeen nations competed 40 airplanes entered RC 18 CL competitions large number RC entries 40 being flown three days meant strict discipline needed followed flight line because set ofiudges used both static flight Control Line oper ations conducted leisurely pace Fortunately weather three days absolutely perfect having quite warm temperatures almost complete absense wind during day lack wind have considerable effect final results aircraft equal chance regardless wing loading As expected RC models having advantage high bonus applied flight scores placed high standings dozen entries having 5% bonus highest placement 17th position However two 30%Left Handmadefibergiassspinnerswere required toget Skip Masts Lockheed Ilerculesdowfl required weight making hand starting necessity Fiberglass also used cowls naceiles wheel blisters gear doors Right RC Sopwith snipe Englands Peter McDermott features rotating dummy engine exhaust-driven mounted large heavy bail bearing extra nose weight flights end prop stops engine continues spin Undercambered wings covered nylon finished dope Humbrol paint Left Drulne Turbulent 0-31 byJosef Mayer Germany 151/4 scale Engine HB 60 Robart pump Covered Ceconlte 111gm Nicolo Saittones 1/4-scaie RC Stits Playboy covered Solartex 71/2 lb lightest model event Webra 60 power November 1984 85 US Scale Team LR Cliff Tacle Citabria Jeff Perez Boeing B17 Dolly Wischer team manager Ron SearsStearman PT-i 7 John Guentherasst team manager Clayton Skip Mast Lockheed Hercules Bob Underwood Alcor Mike Gretz Ziln Akrobat bonus entries low static scores effectively dropped out running Because higher bonus applied multiengine aircraft incorrectly assumed single-engine models disadvantage Six top 10 single engine US Control Line team consisted Mike Gretz Zlin Akrobat 526 Ron Sears Stearman PT-17 Jeff Perez Boeing B-17 Fortress Radio Con trol Bob Underwood Alcor C6l Skip Mast Lockheed Hercules C-i 30 Cliff Tacie Bellanca Citabria Dolly Wischer team manager John Guenther assistant John living Paris summer speaks French played important role communica tions lone US judge Andy ber Control Line competition Preparation World Championship has taken new meaning result lessons learned Paris RC Austra lians won first second placeslargely because well prepared Australian team arrived Paris week early practice model burned gallons fuel local club field Winner first place David Masterton professional pilot flying model deHav illand Drover 1953 trimotor practice airplane all-foam construction covering also trimotor Its appearance simply awful us would hesitate seen its presence model served its purpose Daves preparations continued through com petition flight arrived flight line check list stopwatch item tool needed spare part ac counted definite place flight itself may have less perfect static score highest Five competitors better flights lower static scores end second round first place securely grasp no need fly final round unless near competitor made exceptional flight static scores posted rush examine Daves Drover much detail admire Structure balsa 1/16-in sheet cover sanded 1/32-in thickness completely covered alumi num alloy sheet 0035 thickness specially rolled maximum hardness aluminum easily damaged handling fastened balsa contact adhesive except along panel stroAmlot ncw iuaiurw ngnIy-awanua manaing guar witn guam operating UflOCK struts six iineswmtn electric gearretraction - -working flatches wired spark plugs its dummy engine Assembly atter snipment Tour-flour task Hignt Brian Taylors latest design Bristol Beaufighter 79-In span uses pair Enya 40 four-stroke engines Finish Brians usual lightweight tissue banana oil base Humbrol paint applied over placed seventh 86 Model Aviation iways contenuer MICK hleeves newestaesmgn ass Hawker Hurricane MKW Engine cool ing air comes radiator under wing small gap behind spinner Mick British team member proved WW ii fighter can flown true scale speed edges epoxy used Rivet detail embossed individual panel rear tooling obtain uniform impressions Although detail complete respects model no retract ing landing gear working oleo landing gear used springs addition rubber com pression dougimuts Knowing past experience all-metal airplanes may have radio reception problems asked Dave whether model affected answered JR equipment wasnt susceptible signal loss metal air plane Dave solved instability situation sharply-tapered wing adding 70 washout no reason doubt angle very easily visible Another feature contributed stability models light weight 106 lb its 7-ft wingspan Three Enya 40 four-stroke engines provided excess power prove single-engine airplanes re main contention World Champion ships Warwick Gregorys entry WW Avro 504K 72-in span weighing 1025 lb Its light wing loading wasnt detrimental very low wind velocities LeBourget model qualified 25% flight bonus 10% came Avro having pre-1914 design Actually 504K built after 1914 interpretation bonus rule brought about protests some teams jury decided rule should interpreted mean airplane designed before 1914 model would have finished seventh place benefit jurys ruling Look clanrun uu.u tun S. an. ra.j.iv wan CA. alt, uuflib drop trwa dive speCtuumairare tWlflSkwumu nunwas CL British ently wunt kept low tissue covering lightiy-uppzitid Humbrol paint tvu-pun polyurethane top coat November 1984 87 Ultra-quiet Salto 45 four-strokes Bob Underwood-u uur uru wuu ig ing gunurulnu Balsa structure covered -oz glasacloth K&B resin finished biackauto enamei fication rules future Gregory built model David Bodding tons drawings modifications including undercambered scale airfoil extra 5% bonus truly unusual entries Le auter uu uuuuuyuu uwi aug uuuuu uaouuu nuipau .selage nose cockpit ma mu authentic 1/4-suau RC Sopwlth Tabloid Italys Carto achieved high flight scores Full results Competition Newslettersection issue Bourget Bob Underwoods twin-en gined Alcor attracted commensurate attention US model could possibly have overtaken Austra hans first place Weak landing gear legs tended partially collapse cause nose-over landing prevented accum ulation high K-factor landing scores Higher scores landings could easily have added 11 points needed move Bob second mere two-tenths percent Better landings Bob could also have forced Masterton make thirdround flight preserve hold first place remainder Bobs flights usual job extremely smooth precise flying Alcors two Saito 45 engines notably quiet extent judges complained inability determine whether engine throttled during Bobs single-engine flight option As far known single-engine operation never elected flight option FAI RC Scale its two engines close fuselage centerline built-in out-thrust configuration ideally suited singleengine operation control compen sation model also does excellent job maintaining true scale speed small change airspeed detec ted engine throttled no loss control engine spite planes 13-lb weight Control Line Scale two con tests determine Soviet competitors would take first place other other plane covered silk fuselage silkapan wings Right Polish trainer TS-8 Bles CL entry Stephan Left highest CL flight score made Mike Greta electronically-controlled Zlln 526A 71 -ln-span acrobatic Petrov Bulgaria fine aluminum foil finish didnt help Petrovs static score turned out lowest contest Left Norwegian Vidar Tolfsens RC OH Tiger Moth seriously overweight 146 lb its four-stroke engine Enyn 90 Right illfated RC Fokker F VII byGraham ireland Canada never fly An overweight condition forced modifications kept grounded 88 Model Aviation First place CL Scale won Vladimir Fedesov right Antonov AN-28 turboprop airliner uses pair 60 bevel-gear-drive engines fit confines its tiny nacelies entrants Vladimir Fedosov Valery Kramarenko Antonov AN-28 AN-26 twin-engined aircraft looking ever professionally built placed first second models used bevel-geardrive 60 engines first seen 1974 fit turboprop nacelles Antonovs engines entirely trouble-free Fedosov lost outboard engine flight considerable engine testing certain future flight comple lion models use line control flaps retracts throttle prop pitch reversal latter demonstrated backing airplane end flight after taxi maneuver Kramarenko also has three landing lights actuated wheels lowered very rich setting outboard engine third highest-scoring flight props refused reverse Third-place winner Vladimir Boulatnik ov used Webra 61 Air biplane late- 1920 era Control digital two steel cables pair wires carry signal first giance model ap peared powered four-cylinder aircooled engine exposed rocker arms its finned heads actually dummy mounted horizontally underneath Blackburn Cirrus engine belt-driven close scrutiny whole airplane valve mechanism Webra found unusually well detailed Left Vladimir Bouiatnikov ready install belt-driven dummy Blackburn Cirrus Webra 60 CL Air biplane Excellent detail visible strut wire fittings Right Boeing B-IT Fortress Jeff Perez flown its second CL World Champion ships TB-in -span bomber has two-piece fuselage comes apart wing trailing edge allow more-manageable shipping box Left Carlo Mapelils RC Smith Minipiane uses geared OS 60 61 -in-span bipe Vs scale finished actylic lacquer over Fab ricote Right Loch Podgorski Poland has competed manyCL World Championships HisTupolevTU-2 WW ii bomberis heavyat 15 lb November 1984 89 Swiss contestant Konrad Oetiker flown /4-scale Bucker Jungmelster previously 1982 World Championships Reno Engine subsequently changedtoa Salts 1 2ofourstroke Finish Solartex two-part auto paint Six top seven used four-strokes rigging wire terminated perfectlyformed clevis pre cisely like others indicating parts made programmed ma chine tool methods expected marks amateur-built products absent three Soviet airplanes Boulatnikov made complete flight Engine operation seemed marginal Webra hard pressed maintain flight large heavy biplane An interest ing feature Air its animated pilotwho turned head saluted model stopped directly front judges No comments heard judges effective ness maneuver scoring Jerzy Ostrowski now engaged home-built movement native Poland returned yet another World Champion ships famous Lockheed P-38 Lightning model now looks better ever after having rebuilt following devastating crash nearly wiped out masterpiece Engine trouble two Supertigre 60s due lean runs brought about serious problem second flight engine failed model proved incapable sustained altitude engine After several descending laps landing gear failed extend due tangled lines P-38 landed hard its belly tank absorbed impact Lightning drops bomb diving quite steeply hazardous maneuver model barely has time recover descent Mike Gretz highest placing US en trant overcame low static score mak ing highest scoring flight Control Line event boost himself welldeserved fifth-place finish Mikes Zlin Akrobat 526 has extremely smooth control digital equipment control box mounted Mikes belt operated left hand right used elevator Optional demonstrations include flaps throttle air-operated landing gear Zlin Sig kit prototype Chris Bradford England has reliable model Nieuport 17 proved himself experienced skillful pilot model has appearances battle-weary relic WW Its nylon covering material has dyed English tea produce true antique finish Its weathered demeanor may have carried bit too far static judges obvi ously impressed streaked oil smudges proper places dummy engine came Williams Bros model originated VK kit once flown RC its controls could converted back RC desired weight 56 lb HP 61 engine easy task performing flight maneuvers ordinarily seen CL Scale Chris performed smooth round loops started finished same altitude Nieuport finished surprising sixth place Ron Sears competing first World Championships enjoyed minute except tummy butterflies before flight mentally practiced flight routines continuously midnight excitement pre cluded sleep Posted static scores broight attention models high quality Ron benefitted static judges desire examine models closely surface texture craftsmanship scale detail Although rule book states specifically three items judged meter 39 distance judging actually done zero distance model touched ascertain its surface texture also done RC static judges Ron nothing fear such close encounters Coverite Ran dolph dope finish could withstand close scrutiny flight Rons Stearman strict ly non-aerobatic 12 lb carried Supertigre 60 engine Jeff Perez entered second World Championships first having Kiev Soviet Union two years previously model same Boe ing Fortress 0S 25 enginesreli able stable flight suffering same low static score first flight best last ended damaged landing gear However single good 90 Model Aviation DH Comet uroavenor House cnoice o uwiss compeuior nanurusa Lelmer RC pair four-stroke 05 40 engines powers 88-in-span McRobertson racer Chris Bradford ngiana soaKea ins nyion covering Nicuport 17 tea week dye fabric dummy engine came Williams Bros model itself VK kitconverted RC ck documentation OH 869 Rapids Express kept static score low though him ta among tne best nes gave stabie flight heiped 4 oz nose weight Right Canadas CL entry V splane Bill Logan , ,erlte exceptforthe siuminum nose section Hobbypoxy Scoring CL models doesnt includes compiexity bonus flight enough place US team second position final standings satisfying conclusion meet Jefts 78-in-span Boeing finished Aero Gloss dope over silkspan silk compound curves impregnated poly ester resin insignia painted An unfamiliar aircraft Heinkel HE 219 AZ Ron Truelove England very large model 81-in wingspan weighing 144 lb its two engines Irvine 40s Flaps retracting gear throt tles drop tank electronically controlled Returning RC competition des cription better models order Konrad Qetiker Switzerland Bucker Jungmeister 1 33C -scale size finished fourth place 126-lb aero batics trainer used Saito 20cc four-stroke engine Hansruedi Zeller deHavil land 88 Comet racer finished fifth place used pair 05 40 four-stroke engines combined efforts two gave Switzerland Team Championship RC Scale nothing exceptional about either Swiss planes Both large near FM upper weight limit both powered four-stroke engines six top seven RC models impressive statistic especially view fact 12 40 airplanes four-stroke-powered RC Mick Reeves England competing eighth World Championships includes date aircraft Hawker Hurricane Mik 2C Engine cooling air entered through radiator beneath center wing carried forward duct work flow over cylinder Enya Continued page 176 Left metal identical its prowtype xne Lri rr IrucKeI iwin Cnuriuu LUV ui uuu pair OPS 408 buried inside dummy cylinders Tuned pipes authentic Right Wim Reynders Belgian Standoff winner ai numb two years ago less successful Spitfire Mk 14 Paris Finish tissue banana oil Poiycoat paint rubbed fora metal finish Only air intake gap behind spinner November1984 91 Near perfection lathe best description Valery Kramarenkos CLAntonovAN-26 Specially made horizontal-cylinder engines use bevel gears drive reversible-pitch propellers LCfl norsemn reaursen OT Idorway prepare mis RC Spitfire Mk 14 5Lu1IIjuuu5I 1 Right Philip Avonds Belgian air force pilot regularly flies F 68-in-span Mustang finished epoxy has toggled sequential gear doors uuiuru u drop tank ScannerlMare Continued page 173 available space will Notice sketch schematic wiring dia grams attenuator Install switch out circuit High knob down Low About 30dB attenuation obtained use allow monitor strong nearby signals switch attenuator collapse antenna Remember though makes scanner less sensitive weak out-of-the-area inter ference Periodically activity permits attenuator should switched out antenna extended check possible incoming interference Crystal Holder Now youve got -SCALE DOCUMENTATION SCALE DRAWINGSMODEL PLANS PHOTOS BOOKS EPLA TECH 1984 AIRPLANE N ERNA ONA CATALOG48500 MC KENZIE HWY $300VIDA OREGON 97488 SILICONE tr ID 062 092 125 U S POST 10 foot coils TUBING S/coil 235 265 3 2554 CO L [ LARRY DODGE ERG INC 10210 MANNINGSTILLWATER MN 5508 NOSTALGIC FLYING NEW VERSION OF ORIGINAL CHRISTMAS CARD TRU-FLITE MODEL FROM THE PAST reje When,. Pesos to, 40s Solids isto en eSeol,telv SeeottI tflee Model ttStOoOeI I5eo5 ~ oo~s Note usa GeetssteetetoIy dose 0e 24 Istshensekpe3 p2495 Box S2mn Rosaville MI 48066 TORK-STARTER $2995 Charger 11 tV 220V 1 2V Fast Charger $2095 Without Charger CHARGERS $1295 Charger Only Ill OV 220V 1 2V Past Charger 301 464-2260 nice new modern plug-in crystal attenu ated scanner youll getting complete set crystals go youll need way store transport identify May suggest Deluxe RC Crystal Caddy after brown bag has no class caddy started life off ubiqui tous plastic sandwich box snap-on cover nearest food store come sizes shapes choice Superseal #3427 nationally avail able however similar will onehas inside dimension 5%-in square insert based use another size merely adjust outside dimensions insert ac tual crystal holder youll need piece plastic least Y16-in thick Measure mark off material per diagram drill 36 holes required #56 bit exact crystal pin spacing 192 rather difficult lay out fractional scale accurate set pair dividers right dimen sion using crystal pins guide mark hole spacing labels crystal holder cut Airtronics Frequency Card can have asking order crystals Apply some thin double-sided tape rear card before cut out individual labels find Sonic-Tronics Crazy Tape excellent other modeling chores Keep protective covering until youve trimmed labels size trimmed drilled labeled crystal holder secured case sticky tape piece foam rubber attached cover keep crystals place during drive field Neat huh Cars boats Basically weve treated update aircraft frequencies since primary RC interest However scanner works equally well 75 MHz car boat frequencies can convert channels either methods described Air tronics does have Crystals hand same price correct labels found other side card Tuning future time feel scanner losing sensitivity first thing after verifying batteries good shape check tuning photos y5TE Easy use part no mix paint system No mixing No waiting Fast drying extremely fuel proof Formulated just modeler covers surfaces paints resins Send free instruction brochure BUY IT YOULL LIKE IT SIG MFG COMontezuma IA 50171 shows proper spots PC board whici can pick up modulated waveform thl detected output Tuning should done tin middle band using antenna-down trans mitter some distance away signal source Adjust RF IF transformers maxi mum signal scope Physically lo cated line starting vicinity antennl input towards center unit Crystals once again Airtronics has graciousl agreed furnish sets new frequency crys tals special prices duly registered plane boat car clubs Included also packagt will some molded crystal caps bt used originally-installed crystals whict have Write Airtronics curren information meantime isnt nice know thal something own thought ha obsoleted technology can updated tc fly again Parts update As writing two types ol crystal sockets erroneously listed HC-1S crystals must HC-25 made former cataloged Semi conductor Surplus 2822 North 32nd St Unit 1 Phoenix AZ 85008 priced 504 actually two $100 have sia minimum also always list lot useful items getting order level difficult Ask check catalog Scale WClWlschers Continued page 91 90 four-stroke Air made its exit through dummy exhaust stacks method could successful Englands cool weather high temperatures existed during three flying days Le Bourget Mick cooling problems noticeable loss engine rpm engine spaced back 15-in shaft extension model weight 129 lb meant engines full output needed maintain flying speed Mick con centrated using enough power result speed scalelike Features model handmade aluminum wheels tires molded Devcon RTV compound paper covering over balsa structure Hobbypoxy finish over dope-and-talc filler Brian Taylors Bristol Beaufighter second-highest static score along flight reasonably high quality As can expected Brian model exceptional Surprisingly 176 Model Aviation r Rk MFG OF NI STARTER $2995 Charger PLEASE SPECIFY WHICH CHARGER WHEN ORDERING TORK-STARTER revolutionary concept power 15V glow plugs model cars boats air planes using glow fuel engines TORK-STARTERITMI has steel wrench strong enough reduce compression easier starting ft supplies power vhII dolag comes new CIlO charger has LEO indicate unit charging also has removable T handle can used Torque amplifier Over 50 consecutive starts full charge rechargeable hundreds times Clips Onto plug positive connection Send ad along pre-paymens receive free shiooino handlino 12721 HASKELL LANE BOWIE MARYLAND 20716 L STICK&TISSUEMODELSFOAM SCALE ARE GREATMODELS new sheet foam bailds easier-Peanuts difference youll enloyat& Up lowest cost Several scale de signs available antique des sic warbirds 6 homebuilts Send $1O0forlatestplanslistfoam-samples discount coupon etcflex 652AM GETAFREECO-2MOTORSt CreSt Falls SW 54024 LMP 1000 LMP 1000 ultra light sport glider designed perform light heavy slope conditions Aileron elevator controls combined size weight airfoil makes ideal airspace limited kit includes quality balsa hardware rolled plans need glue covering radio Wing Span 41 Wing Area 275 sq Length 285 Flying Weight 1314 oz Wing Loading 6575 oz/sqft Two Channel Radio Mini Servos 250 MAH BATT $2500 includes shipping UPS COD cash money order CA ales tax Dealer Inquiries Invited LINDSEY MICRO PRODUCTS 160A N Fairview Ave Suite 104 Goleta CA 93117 y engines inside cowlings rge airplane 79-in wingspan Brian sd kept weight down 12 lb using special covering method banana oil ver light tissue topped off Humbrol aint Skip Masts Lockheed C-130 Hercules tracted maximum attention ights general disbelief trge four-engine model foam construc could kept under 6 kg FAI eight limit Models weighed first efore static judging super-accurate igital-readout scale Skips Herc reighed again after flight Bob Inderwoods Alcor re-weighing rocess meant bit fuel needed removed tanks certain f being under limit re-weighing somewhat irritating implied sus ected dishonesty part US am members Actually weighing f C-130 little less reviously perverse attitude also vident Skip lost bonus oints because engine quit about iidpoint second flight rule garding loss bonus isnt clear ngth time engines must operate i addition officials ruled Skip iould lose landing gear retraction nus Team Manager Dolly Wischer ar ied unjustified ints retraction returned after ard rule clarification regarding required ngth engine run should forthcoming Jean Rousseau France chose model subject push-pull twin-en ined Moynet 360 Jupiter prototype thich display nearby mu eum model balsa structure imost entirely covered thin alumi um sheet five airplanes ompetition metal exteriors Coin ound-curve sections glass poly ster resin Eleven servos used ontrol airplane destroyed entered near-vertical dive high Ititude long range serious crash f meet Conjecture cause tcluded radio link problems udible erratic throttle servo least ugine also suspected midair hanical failure structure Another uncommon French entry Colomban Cri Cri Cricket Charles Levy truly all-metal model built scale 1/24 other words slightly less half size prototype all-metal twin-engined aerobatic singleplace monoplane using tiny two-stroke en gines tuned pipes have seen airplanes action Oshkosh performing spectacular canopy-to-canopy maneuvers model powered pair OPS 40s hidden within dummy single cylinders all-metal twin weighing 599 kg 132 lb span 78 typical example model built up limit FM specifications Cliff Tacies 68-in-wingspan Bellanca Citabria smaller airplanes compete substitute crashed Spezio TuHoler model down graded flight realism because its small size made appear fly fast relative larger models Cliff made effort final flight slow airplane boost realism score smcothness increase low score four five Contestants given copies score sheets also permitted see sheets Only team managers permitted examine score sheets Dolly made handwritten copies flights keep fellows informed help improve low scores other World Championships score sheet dupli cates marked judges available contestants Paris organization fair communications second-rate respect French organizers excelled Score totals standings given out dinnertime evening including flight totals bonus well static scores couple Canadian entries particular interest four-engined deHav illand DH86B Rapide Express Steve Gray OS 20 engines 8-ft span another models built maximum allowable weight 30% bonus applied Steve secondhighest flight meet very accom plished pilot ffies Canadian Spruce Goose regularly DH performed well near scale speed model execute chandelle properly maneuver reserved non-aerobatic aircraft Steves documentation sadly lacking reflected static score about 1000 points too low Added information could easily make DH winner other notable Canadian entry Graham Irelands Fokker F VIIA trimotor first weigh-in model found 4 oz overweight Graham immediately set work replacing its heavy wheels New 4-in-dia wheels turned balsa plywood disc center core using Continued page 180 November1984 177 ACK-U-VOLT Digital DC Voltmeter Kit 3 Dinit LEDAiuwjsne Con - 0-999 & 5-999 stes Case ttsck Andind noih toolsInpos & Clot CabIns NiCd 50tna batsns 55f Test could valuable item flight bos No need guess hatteries need charged Atno valuahle voltage monitor quick charging Simple build simple use 3 digits shows yoa what battery voltages somply psessing switch places load hat 4tery no question charge Special lens fitte makes easier read sunlight HOLD switch holds display input moved handy wish record values later 4sose Charge 45 5lma charger 4 T TAKE CNANCEOETANACK-U-VOLT belier product modeler H8N ELECTRONICSosn,nom 44 nurnrAuOn 5*300no coo FULL SIZE PLANS No 457 Spectra$ 700 RC Electric-power craft uses three different wings Soaring Aerobatics plain Sport flying Use 05-size motor 6-8 cells Dauntless$ 575 CL Profile Carrier 15-power events Two sheets Sky Pursuit $ 300 FF Old-Timer Rubber power 1932 Joe Ott-designed Spans 23 No 458 No 459 Na 182SUIutta ci Stunt model McDonald winner 1 9761980 1982 FAI World Champs$ 375 Na 228Ole Ralable AC 70 version 38 old-timer REM contrnls 1 9-25$ 425 Ne 239Blue Blade AC Ken Willards tormotino plane 4-channel 10-power$ 375 Na 262Creshasaxtar CL Crash-proof trainer two sizes1 5-30- 35-40-power$ 125 No 299Baa Bee Sr Speetatar AC A-scale hy Haffke 91 power Prototype upon 30ff Two-and-a-halt sheets$1175 Na 302MIat F16 AC Sarpolos 049 docted fan upon flier 2-channel Balsa wingo fail fuse structore$ 275 Ne 3101930 Flael BItilam AC Sport Scale 35-40 4-channel Wingspan 56 scale Two sheets$ 625 Na 314Drake t AC Ken Willards flying hoot 3-channel 15-power Fly fond removahle gear$ 375 Na 326Taytar Cab AC Don Srolrs Schoolyard-Scale 049o 2-3 channel Spans 50 in-$ 350 Ne 332Zepliyr AC Small 2-channel glider hand-launch tow thermal slope soaring$ 200 Ne 343Wasp VI FF Mike Stays Nuts-winning Outdoor l-ILG$ 100 Na 348Onaslap AC Trainer han very forgiving flying qualities Three-channel 1 0-25-power$ 425 Na 354Naityc AC Giant 155-In upon Sailplane ones 3 AC channels$ 750 Na 388Plecas PF Indoor Easy B Aubher-power contest-winner hy W Van Gorder$ 100 Na 362SaparciE AC Half-A Pylon Aacerlsport flier Aileron elevator Control Foam wing$ 2 00 Na 385Sasmialar AC Willards 40-size flying hoot f 4-channel Strap-on gear landplaeel Two sheets$1100 Ne 383Camate 82 AC Fly sloak Nats-winniog Sailplone AMA Mnd Std Unlimitnd classes$ 7 50 Na 386Laser 208 AC Sport Scale replica championship Aerohahc flier Uses 40 power 4-5 channel Two sheets$1 075 Na 383yeA Kialed KIag AC Aeduced modernized version 1036 design hA 0ld-Timer- 2 3-channel$ 450 Na 398Baa Baa R1 AC Haffkes latest A-scale spans 75 weighs 15th flies no90 larger Four sheets vs doc$2225 Na 389Zephyr 1100 AC AMA Class B Sailplane 3-channel AC gear$ 675 Na 403Cab Flaatplaae AC Sport Scale 049-1 0-size engines 4-channel AC J-3 floats isa classic$ 650 No 4688a-Velt8n AC elechicpewer sport flier 2-channel 05 mat or$ 650 Na 416Peber Plate AC Scale famous EAA plane 40-power 4-channel Build upon Precision two sheets PIUs doc$1 300 Ne 412Masqatta AC Spon Plane twin uses 10 engines 4-channel AC$ 825 Na 414ElectrIc Sparky AC electdc-pnweredfunflierfor 05 motor 3-channel AC scaled up 1939 rubher-power favorite$ 850 Na 415Nawkar Ituretemee Uk AC Electric-power Sport Scale tori S motor 3-4 channels Two sheets$1175 Na 420Rack 666 FF Competition Class orOfor 1 0-21 power Has variotrle-incidenco fail VIT$ 600 Na 422Scuter AC Two-Meter Sailplane has won Nats event 19821963 plus other contests$ 550 Na 423Cloud Crutaer-2 AC Old-Timer takes 60-power 3-channel AC Two-piece wing option easy transport Two sheets61275 Ne 424Bead Tent FF Embryo Endursoce robber-power float plane has opt losal whools stick-and-f issue delight$ 200 Ne 428ChIal CBpper AC Fatrulous 74-in-span Sport Scale flylflg hoot four 10-size engines 4-channel Three sheets doc 62000 Na 427Prilia PP Travelair Mystery Ship Miss Los Angeles profile all-balsa rubber models sport flyiog 1 7-in-spas$ 200 No429Deer EZ CL Old-Timer Stoat hiplane has profile fuselage uses 25 engine$ 400 No430kanakle AC Zippy little sportster 1 0-1 5 power 3-channel AC$ 400 Ne 431Lackhaad P38 AC Fan-scale twin-1 5-flier f 4-channels Two sheets61300 No432Phuato CL Updated Thunderhird-style Stuofer 35-40 evolves$ 575 Na 433Walls Up AC Electric-powered glider 2-3 channels 035 motor spans 52 0 No434Sly SIr CL IsA foam-wing Combut ship won 83 Nuts Use TO 049-051 power$ 350 No435ThIs N ThaE AC Aerohatic hiplane 40 engineo 4-channels Great spon flying$ 650 No437Klegflaher CL Profile Carrier plane spans 40/s uses 35 engine$ 600 No438CruIser PP Embryo Endurance mhber-power fun ship has trig-model characterishcs$ 200 Na 439Oasperadrc AC flying wing unique negative dihedral flies 4 channels 1 9-40 power Foam wing 50 Ne 446Caesar AC Old-Timer-like new design has huge wing slow easy flights 35 power 3 channels Two sheets$1725 No441NIt WII PF Hot small lightweight campeotion ship far 15 power try designer Harry Murphy$ 475 No 442Lazy Duck AC Big canard sport flier InA-09 power 2 channelo Uses loam heard parts$ 650 No443Turbo Pertar CL Scale 25 power Simple lines oasy truildiog Two sheets $ 675 No 444Flrabelt AC pusher canard sportlpattern uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 Ne 445Nesarttlr Cougar CL Scale model popular homehuilt won Nats Uses 21 engine speos 41 in$ 925 Ne 448La Crete AC Electric-powered upon flier tar 05 motors 3-channels Two versious parasol colon$ 550 No447A Mtee AmerIca AC Old-Timer /sA Texaco model 049 glow 2-channels 0 Na 448Screamts Eaglet AC Partial plan modifying Goidhengs Eaglet kit hotter aerotraucs$ 400 No449Saflue CL Sportitunt plane 40-size 4-stroke engine builds fast easy$ 600 Na 450Icy Boy 74 FF CO-2 power flies 24-in-span replica tomees 1948 long-failed compehhon ship$ 200 No451ElI Blptaea Sealer AC Redesign sleek 1937FF triplane 3-4 channels 29-40 power Two uheets61175 No452Baa Bee L AC Doarter-scale spans 71 in. uses 90 power Four sheets61600 No453Smoefttle Profile CL Profile rendition Botr Palmurs super-Stunter early Fithen 35 power$ 550 No 454Sweet P30 PP Neat shck-and-hsaue Outdoor Aatrtrer P-30-class model contest-winner$ 200 No455lAster Malpa CL Big Scale model famoan air racer spans SB iv onus 60 pewer Two sheets$1 375 No45818-Tech 20111 AC Dacted-fan fufaristic-looking canard fur 25-size engines Built-up conutruchon Three sheets61175 Circle numbers plans wish order 193225239 993023103143263321 343348354358362365383386393398 399403408410412414415420422423j 424426427429430431432433434435 437438439440441 442443444445446 447448449450451452453454455458 I I I NAMEI II STREETI II oms II STATE _______________________ ZIP _______________________ II I 457458459 Prtce includes fIrst-class postage within US Fir aNita intslim Its US. please add $250 Air Mail 5125 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivefy Please print carefully Enclosed _____________________________________ electric drill lathe painted wheels looked bit good rubber-tired rejects Weight model reduced just under 6 kg substitution ever lack resiliency new wheels caused nose-over takeoff Graham didnt complete flight compound difficulties nacelle fuel tanks leaked model excellent quality having dummy engine cylinders cast polyester resin wing completely covered varnished birch veneer original Engines Enya 40 four stroke Incomplete documentation kept Grahams static score quite low success formula FAI RC Scale contests appears model built large possible four-stroke multi-engines weight near top limit Twenty 40 RC entries weighed near 6 kg Three mod els actually over limit indicating desire build right up limit possibly lack accurate scale pre-weighing four-stroke engine has advantage provided properly cooled can swing large diameter efficient propeller sound fourstroke compared two-stroke must surely influence reaction judges Forty entries seems limit can handled single crew five judges future can certainly expect entrants required extra judges will add financial burden organizers Look increased entry fees Judges would prefer several threeview drawings presented avoid con gestion around drawing shorten judging time Insufficient documentation problem some oontestants par ticularly attending first World Championships flown Stand-off events previ ously documentation presented book form data seen disas sembled judges could pass photos around Printed information al oompletely useless judges will take time read anything Near end static judging observed time required plane reduced 20 minutes com pared over half-hour earlier Being judged last advantages Judges viewed top both sides front bottom looked unpainted wheel-well inte roors Because judges touched models may reason change rule specify judges may approach within meter nearest part model Judges seen hold color cards directly against models surfaces intended happen- present rules formulated As mod els judged Paris change previous FAI judging seemed absence actual measurements scale rulers Except shortening time near end static judging models received same treatment 180 Model Aviation 0 0 C --0 cJ 0 CJ 0 C 60 zoo ci 0 -C 0 -- Co ci 00 o -- no -V - Os a -Q 80 C no4 C -V oaoa ea us oak -U no Cc o 00 El1 ow 00 c Os 0 SC S
Edition: Model Aviation - 1984/11
Page Numbers: 84, 85, 86, 87, 88, 89, 90, 91, 176, 177, 180
Sc ALE WORLD CHAMPIONSHIPS es motorized grinder located within used loading passengers about 800 feet $ t few feet terminals main entrance terminal distance between Paris July 28Radio Control flights made anthe two areas activity made difficult immense concrete paved area formerlyproperly report both events RC such excellent weather lightly-loaded planes could effectively compete heavier models Australians took top two places Radio Control event USSR team again victori ous Control Line EBob Dolly Wischer HISTORIC LeBOURGET Airport Paris Musee de LAir scene Eighth Scale World Championships Radio Control Control Line airplanes Models displayed inside old ter minal building late 1930 era seen no airline activity since traffic diverted Charles De Gaulle Orly Airports building presently being renovated receive aircraft museum will transferred Chalais-Meudon within next year Concrete dust stirred thousands visitors feet coated models constantly during week stay LeBourget Airport remains use freight operations mostly jet aircraft few monster prop-driven Boeing Guppy conversions add interest area flights along edge field adjacent museum separated full-scale operations half mile Control Line circle its concrete joints polished smooth 84 Model Aviation First place H won David Masterton Australia all-metal-covered DeHavil land Drover trimotorwith Enya 40 four-stroke Washout 7 makes ultra-stable flight Another Australian won second place RC Warwick Gregory wIth Avro 504K WW era Covering Silkspun Coverite finished cleardope enamei finaily clear overcoat landing gear includIng tail skid sprung Photos authors area row extremely tall light poles along side near spectators space some pilots found intimidating Actually airplane flying near poles would have maneuver disqualified flying above spectators behind deadline Organization meet adequate contestants accommodated single modem hotel located about 1 miles airport Breakfasts dinners served hotel entire group occasions contributed general mixing nationalities Lunches served dining room airport terminal building Except typically light French breakfasts feeling being too well fed plenty water dont drink wine meal Seventeen nations competed 40 airplanes entered RC 18 CL competitions large number RC entries 40 being flown three days meant strict discipline needed followed flight line because set ofiudges used both static flight Control Line oper ations conducted leisurely pace Fortunately weather three days absolutely perfect having quite warm temperatures almost complete absense wind during day lack wind have considerable effect final results aircraft equal chance regardless wing loading As expected RC models having advantage high bonus applied flight scores placed high standings dozen entries having 5% bonus highest placement 17th position However two 30%Left Handmadefibergiassspinnerswere required toget Skip Masts Lockheed Ilerculesdowfl required weight making hand starting necessity Fiberglass also used cowls naceiles wheel blisters gear doors Right RC Sopwith snipe Englands Peter McDermott features rotating dummy engine exhaust-driven mounted large heavy bail bearing extra nose weight flights end prop stops engine continues spin Undercambered wings covered nylon finished dope Humbrol paint Left Drulne Turbulent 0-31 byJosef Mayer Germany 151/4 scale Engine HB 60 Robart pump Covered Ceconlte 111gm Nicolo Saittones 1/4-scaie RC Stits Playboy covered Solartex 71/2 lb lightest model event Webra 60 power November 1984 85 US Scale Team LR Cliff Tacle Citabria Jeff Perez Boeing B17 Dolly Wischer team manager Ron SearsStearman PT-i 7 John Guentherasst team manager Clayton Skip Mast Lockheed Hercules Bob Underwood Alcor Mike Gretz Ziln Akrobat bonus entries low static scores effectively dropped out running Because higher bonus applied multiengine aircraft incorrectly assumed single-engine models disadvantage Six top 10 single engine US Control Line team consisted Mike Gretz Zlin Akrobat 526 Ron Sears Stearman PT-17 Jeff Perez Boeing B-17 Fortress Radio Con trol Bob Underwood Alcor C6l Skip Mast Lockheed Hercules C-i 30 Cliff Tacie Bellanca Citabria Dolly Wischer team manager John Guenther assistant John living Paris summer speaks French played important role communica tions lone US judge Andy ber Control Line competition Preparation World Championship has taken new meaning result lessons learned Paris RC Austra lians won first second placeslargely because well prepared Australian team arrived Paris week early practice model burned gallons fuel local club field Winner first place David Masterton professional pilot flying model deHav illand Drover 1953 trimotor practice airplane all-foam construction covering also trimotor Its appearance simply awful us would hesitate seen its presence model served its purpose Daves preparations continued through com petition flight arrived flight line check list stopwatch item tool needed spare part ac counted definite place flight itself may have less perfect static score highest Five competitors better flights lower static scores end second round first place securely grasp no need fly final round unless near competitor made exceptional flight static scores posted rush examine Daves Drover much detail admire Structure balsa 1/16-in sheet cover sanded 1/32-in thickness completely covered alumi num alloy sheet 0035 thickness specially rolled maximum hardness aluminum easily damaged handling fastened balsa contact adhesive except along panel stroAmlot ncw iuaiurw ngnIy-awanua manaing guar witn guam operating UflOCK struts six iineswmtn electric gearretraction - -working flatches wired spark plugs its dummy engine Assembly atter snipment Tour-flour task Hignt Brian Taylors latest design Bristol Beaufighter 79-In span uses pair Enya 40 four-stroke engines Finish Brians usual lightweight tissue banana oil base Humbrol paint applied over placed seventh 86 Model Aviation iways contenuer MICK hleeves newestaesmgn ass Hawker Hurricane MKW Engine cool ing air comes radiator under wing small gap behind spinner Mick British team member proved WW ii fighter can flown true scale speed edges epoxy used Rivet detail embossed individual panel rear tooling obtain uniform impressions Although detail complete respects model no retract ing landing gear working oleo landing gear used springs addition rubber com pression dougimuts Knowing past experience all-metal airplanes may have radio reception problems asked Dave whether model affected answered JR equipment wasnt susceptible signal loss metal air plane Dave solved instability situation sharply-tapered wing adding 70 washout no reason doubt angle very easily visible Another feature contributed stability models light weight 106 lb its 7-ft wingspan Three Enya 40 four-stroke engines provided excess power prove single-engine airplanes re main contention World Champion ships Warwick Gregorys entry WW Avro 504K 72-in span weighing 1025 lb Its light wing loading wasnt detrimental very low wind velocities LeBourget model qualified 25% flight bonus 10% came Avro having pre-1914 design Actually 504K built after 1914 interpretation bonus rule brought about protests some teams jury decided rule should interpreted mean airplane designed before 1914 model would have finished seventh place benefit jurys ruling Look clanrun uu.u tun S. an. ra.j.iv wan CA. alt, uuflib drop trwa dive speCtuumairare tWlflSkwumu nunwas CL British ently wunt kept low tissue covering lightiy-uppzitid Humbrol paint tvu-pun polyurethane top coat November 1984 87 Ultra-quiet Salto 45 four-strokes Bob Underwood-u uur uru wuu ig ing gunurulnu Balsa structure covered -oz glasacloth K&B resin finished biackauto enamei fication rules future Gregory built model David Bodding tons drawings modifications including undercambered scale airfoil extra 5% bonus truly unusual entries Le auter uu uuuuuyuu uwi aug uuuuu uaouuu nuipau .selage nose cockpit ma mu authentic 1/4-suau RC Sopwlth Tabloid Italys Carto achieved high flight scores Full results Competition Newslettersection issue Bourget Bob Underwoods twin-en gined Alcor attracted commensurate attention US model could possibly have overtaken Austra hans first place Weak landing gear legs tended partially collapse cause nose-over landing prevented accum ulation high K-factor landing scores Higher scores landings could easily have added 11 points needed move Bob second mere two-tenths percent Better landings Bob could also have forced Masterton make thirdround flight preserve hold first place remainder Bobs flights usual job extremely smooth precise flying Alcors two Saito 45 engines notably quiet extent judges complained inability determine whether engine throttled during Bobs single-engine flight option As far known single-engine operation never elected flight option FAI RC Scale its two engines close fuselage centerline built-in out-thrust configuration ideally suited singleengine operation control compen sation model also does excellent job maintaining true scale speed small change airspeed detec ted engine throttled no loss control engine spite planes 13-lb weight Control Line Scale two con tests determine Soviet competitors would take first place other other plane covered silk fuselage silkapan wings Right Polish trainer TS-8 Bles CL entry Stephan Left highest CL flight score made Mike Greta electronically-controlled Zlln 526A 71 -ln-span acrobatic Petrov Bulgaria fine aluminum foil finish didnt help Petrovs static score turned out lowest contest Left Norwegian Vidar Tolfsens RC OH Tiger Moth seriously overweight 146 lb its four-stroke engine Enyn 90 Right illfated RC Fokker F VII byGraham ireland Canada never fly An overweight condition forced modifications kept grounded 88 Model Aviation First place CL Scale won Vladimir Fedesov right Antonov AN-28 turboprop airliner uses pair 60 bevel-gear-drive engines fit confines its tiny nacelies entrants Vladimir Fedosov Valery Kramarenko Antonov AN-28 AN-26 twin-engined aircraft looking ever professionally built placed first second models used bevel-geardrive 60 engines first seen 1974 fit turboprop nacelles Antonovs engines entirely trouble-free Fedosov lost outboard engine flight considerable engine testing certain future flight comple lion models use line control flaps retracts throttle prop pitch reversal latter demonstrated backing airplane end flight after taxi maneuver Kramarenko also has three landing lights actuated wheels lowered very rich setting outboard engine third highest-scoring flight props refused reverse Third-place winner Vladimir Boulatnik ov used Webra 61 Air biplane late- 1920 era Control digital two steel cables pair wires carry signal first giance model ap peared powered four-cylinder aircooled engine exposed rocker arms its finned heads actually dummy mounted horizontally underneath Blackburn Cirrus engine belt-driven close scrutiny whole airplane valve mechanism Webra found unusually well detailed Left Vladimir Bouiatnikov ready install belt-driven dummy Blackburn Cirrus Webra 60 CL Air biplane Excellent detail visible strut wire fittings Right Boeing B-IT Fortress Jeff Perez flown its second CL World Champion ships TB-in -span bomber has two-piece fuselage comes apart wing trailing edge allow more-manageable shipping box Left Carlo Mapelils RC Smith Minipiane uses geared OS 60 61 -in-span bipe Vs scale finished actylic lacquer over Fab ricote Right Loch Podgorski Poland has competed manyCL World Championships HisTupolevTU-2 WW ii bomberis heavyat 15 lb November 1984 89 Swiss contestant Konrad Oetiker flown /4-scale Bucker Jungmelster previously 1982 World Championships Reno Engine subsequently changedtoa Salts 1 2ofourstroke Finish Solartex two-part auto paint Six top seven used four-strokes rigging wire terminated perfectlyformed clevis pre cisely like others indicating parts made programmed ma chine tool methods expected marks amateur-built products absent three Soviet airplanes Boulatnikov made complete flight Engine operation seemed marginal Webra hard pressed maintain flight large heavy biplane An interest ing feature Air its animated pilotwho turned head saluted model stopped directly front judges No comments heard judges effective ness maneuver scoring Jerzy Ostrowski now engaged home-built movement native Poland returned yet another World Champion ships famous Lockheed P-38 Lightning model now looks better ever after having rebuilt following devastating crash nearly wiped out masterpiece Engine trouble two Supertigre 60s due lean runs brought about serious problem second flight engine failed model proved incapable sustained altitude engine After several descending laps landing gear failed extend due tangled lines P-38 landed hard its belly tank absorbed impact Lightning drops bomb diving quite steeply hazardous maneuver model barely has time recover descent Mike Gretz highest placing US en trant overcame low static score mak ing highest scoring flight Control Line event boost himself welldeserved fifth-place finish Mikes Zlin Akrobat 526 has extremely smooth control digital equipment control box mounted Mikes belt operated left hand right used elevator Optional demonstrations include flaps throttle air-operated landing gear Zlin Sig kit prototype Chris Bradford England has reliable model Nieuport 17 proved himself experienced skillful pilot model has appearances battle-weary relic WW Its nylon covering material has dyed English tea produce true antique finish Its weathered demeanor may have carried bit too far static judges obvi ously impressed streaked oil smudges proper places dummy engine came Williams Bros model originated VK kit once flown RC its controls could converted back RC desired weight 56 lb HP 61 engine easy task performing flight maneuvers ordinarily seen CL Scale Chris performed smooth round loops started finished same altitude Nieuport finished surprising sixth place Ron Sears competing first World Championships enjoyed minute except tummy butterflies before flight mentally practiced flight routines continuously midnight excitement pre cluded sleep Posted static scores broight attention models high quality Ron benefitted static judges desire examine models closely surface texture craftsmanship scale detail Although rule book states specifically three items judged meter 39 distance judging actually done zero distance model touched ascertain its surface texture also done RC static judges Ron nothing fear such close encounters Coverite Ran dolph dope finish could withstand close scrutiny flight Rons Stearman strict ly non-aerobatic 12 lb carried Supertigre 60 engine Jeff Perez entered second World Championships first having Kiev Soviet Union two years previously model same Boe ing Fortress 0S 25 enginesreli able stable flight suffering same low static score first flight best last ended damaged landing gear However single good 90 Model Aviation DH Comet uroavenor House cnoice o uwiss compeuior nanurusa Lelmer RC pair four-stroke 05 40 engines powers 88-in-span McRobertson racer Chris Bradford ngiana soaKea ins nyion covering Nicuport 17 tea week dye fabric dummy engine came Williams Bros model itself VK kitconverted RC ck documentation OH 869 Rapids Express kept static score low though him ta among tne best nes gave stabie flight heiped 4 oz nose weight Right Canadas CL entry V splane Bill Logan , ,erlte exceptforthe siuminum nose section Hobbypoxy Scoring CL models doesnt includes compiexity bonus flight enough place US team second position final standings satisfying conclusion meet Jefts 78-in-span Boeing finished Aero Gloss dope over silkspan silk compound curves impregnated poly ester resin insignia painted An unfamiliar aircraft Heinkel HE 219 AZ Ron Truelove England very large model 81-in wingspan weighing 144 lb its two engines Irvine 40s Flaps retracting gear throt tles drop tank electronically controlled Returning RC competition des cription better models order Konrad Qetiker Switzerland Bucker Jungmeister 1 33C -scale size finished fourth place 126-lb aero batics trainer used Saito 20cc four-stroke engine Hansruedi Zeller deHavil land 88 Comet racer finished fifth place used pair 05 40 four-stroke engines combined efforts two gave Switzerland Team Championship RC Scale nothing exceptional about either Swiss planes Both large near FM upper weight limit both powered four-stroke engines six top seven RC models impressive statistic especially view fact 12 40 airplanes four-stroke-powered RC Mick Reeves England competing eighth World Championships includes date aircraft Hawker Hurricane Mik 2C Engine cooling air entered through radiator beneath center wing carried forward duct work flow over cylinder Enya Continued page 176 Left metal identical its prowtype xne Lri rr IrucKeI iwin Cnuriuu LUV ui uuu pair OPS 408 buried inside dummy cylinders Tuned pipes authentic Right Wim Reynders Belgian Standoff winner ai numb two years ago less successful Spitfire Mk 14 Paris Finish tissue banana oil Poiycoat paint rubbed fora metal finish Only air intake gap behind spinner November1984 91 Near perfection lathe best description Valery Kramarenkos CLAntonovAN-26 Specially made horizontal-cylinder engines use bevel gears drive reversible-pitch propellers LCfl norsemn reaursen OT Idorway prepare mis RC Spitfire Mk 14 5Lu1IIjuuu5I 1 Right Philip Avonds Belgian air force pilot regularly flies F 68-in-span Mustang finished epoxy has toggled sequential gear doors uuiuru u drop tank ScannerlMare Continued page 173 available space will Notice sketch schematic wiring dia grams attenuator Install switch out circuit High knob down Low About 30dB attenuation obtained use allow monitor strong nearby signals switch attenuator collapse antenna Remember though makes scanner less sensitive weak out-of-the-area inter ference Periodically activity permits attenuator should switched out antenna extended check possible incoming interference Crystal Holder Now youve got -SCALE DOCUMENTATION SCALE DRAWINGSMODEL PLANS PHOTOS BOOKS EPLA TECH 1984 AIRPLANE N ERNA ONA CATALOG48500 MC KENZIE HWY $300VIDA OREGON 97488 SILICONE tr ID 062 092 125 U S POST 10 foot coils TUBING S/coil 235 265 3 2554 CO L [ LARRY DODGE ERG INC 10210 MANNINGSTILLWATER MN 5508 NOSTALGIC FLYING NEW VERSION OF ORIGINAL CHRISTMAS CARD TRU-FLITE MODEL FROM THE PAST reje When,. Pesos to, 40s Solids isto en eSeol,telv SeeottI tflee Model ttStOoOeI I5eo5 ~ oo~s Note usa GeetssteetetoIy dose 0e 24 Istshensekpe3 p2495 Box S2mn Rosaville MI 48066 TORK-STARTER $2995 Charger 11 tV 220V 1 2V Fast Charger $2095 Without Charger CHARGERS $1295 Charger Only Ill OV 220V 1 2V Past Charger 301 464-2260 nice new modern plug-in crystal attenu ated scanner youll getting complete set crystals go youll need way store transport identify May suggest Deluxe RC Crystal Caddy after brown bag has no class caddy started life off ubiqui tous plastic sandwich box snap-on cover nearest food store come sizes shapes choice Superseal #3427 nationally avail able however similar will onehas inside dimension 5%-in square insert based use another size merely adjust outside dimensions insert ac tual crystal holder youll need piece plastic least Y16-in thick Measure mark off material per diagram drill 36 holes required #56 bit exact crystal pin spacing 192 rather difficult lay out fractional scale accurate set pair dividers right dimen sion using crystal pins guide mark hole spacing labels crystal holder cut Airtronics Frequency Card can have asking order crystals Apply some thin double-sided tape rear card before cut out individual labels find Sonic-Tronics Crazy Tape excellent other modeling chores Keep protective covering until youve trimmed labels size trimmed drilled labeled crystal holder secured case sticky tape piece foam rubber attached cover keep crystals place during drive field Neat huh Cars boats Basically weve treated update aircraft frequencies since primary RC interest However scanner works equally well 75 MHz car boat frequencies can convert channels either methods described Air tronics does have Crystals hand same price correct labels found other side card Tuning future time feel scanner losing sensitivity first thing after verifying batteries good shape check tuning photos y5TE Easy use part no mix paint system No mixing No waiting Fast drying extremely fuel proof Formulated just modeler covers surfaces paints resins Send free instruction brochure BUY IT YOULL LIKE IT SIG MFG COMontezuma IA 50171 shows proper spots PC board whici can pick up modulated waveform thl detected output Tuning should done tin middle band using antenna-down trans mitter some distance away signal source Adjust RF IF transformers maxi mum signal scope Physically lo cated line starting vicinity antennl input towards center unit Crystals once again Airtronics has graciousl agreed furnish sets new frequency crys tals special prices duly registered plane boat car clubs Included also packagt will some molded crystal caps bt used originally-installed crystals whict have Write Airtronics curren information meantime isnt nice know thal something own thought ha obsoleted technology can updated tc fly again Parts update As writing two types ol crystal sockets erroneously listed HC-1S crystals must HC-25 made former cataloged Semi conductor Surplus 2822 North 32nd St Unit 1 Phoenix AZ 85008 priced 504 actually two $100 have sia minimum also always list lot useful items getting order level difficult Ask check catalog Scale WClWlschers Continued page 91 90 four-stroke Air made its exit through dummy exhaust stacks method could successful Englands cool weather high temperatures existed during three flying days Le Bourget Mick cooling problems noticeable loss engine rpm engine spaced back 15-in shaft extension model weight 129 lb meant engines full output needed maintain flying speed Mick con centrated using enough power result speed scalelike Features model handmade aluminum wheels tires molded Devcon RTV compound paper covering over balsa structure Hobbypoxy finish over dope-and-talc filler Brian Taylors Bristol Beaufighter second-highest static score along flight reasonably high quality As can expected Brian model exceptional Surprisingly 176 Model Aviation r Rk MFG OF NI STARTER $2995 Charger PLEASE SPECIFY WHICH CHARGER WHEN ORDERING TORK-STARTER revolutionary concept power 15V glow plugs model cars boats air planes using glow fuel engines TORK-STARTERITMI has steel wrench strong enough reduce compression easier starting ft supplies power vhII dolag comes new CIlO charger has LEO indicate unit charging also has removable T handle can used Torque amplifier Over 50 consecutive starts full charge rechargeable hundreds times Clips Onto plug positive connection Send ad along pre-paymens receive free shiooino handlino 12721 HASKELL LANE BOWIE MARYLAND 20716 L STICK&TISSUEMODELSFOAM SCALE ARE GREATMODELS new sheet foam bailds easier-Peanuts difference youll enloyat& Up lowest cost Several scale de signs available antique des sic warbirds 6 homebuilts Send $1O0forlatestplanslistfoam-samples discount coupon etcflex 652AM GETAFREECO-2MOTORSt CreSt Falls SW 54024 LMP 1000 LMP 1000 ultra light sport glider designed perform light heavy slope conditions Aileron elevator controls combined size weight airfoil makes ideal airspace limited kit includes quality balsa hardware rolled plans need glue covering radio Wing Span 41 Wing Area 275 sq Length 285 Flying Weight 1314 oz Wing Loading 6575 oz/sqft Two Channel Radio Mini Servos 250 MAH BATT $2500 includes shipping UPS COD cash money order CA ales tax Dealer Inquiries Invited LINDSEY MICRO PRODUCTS 160A N Fairview Ave Suite 104 Goleta CA 93117 y engines inside cowlings rge airplane 79-in wingspan Brian sd kept weight down 12 lb using special covering method banana oil ver light tissue topped off Humbrol aint Skip Masts Lockheed C-130 Hercules tracted maximum attention ights general disbelief trge four-engine model foam construc could kept under 6 kg FAI eight limit Models weighed first efore static judging super-accurate igital-readout scale Skips Herc reighed again after flight Bob Inderwoods Alcor re-weighing rocess meant bit fuel needed removed tanks certain f being under limit re-weighing somewhat irritating implied sus ected dishonesty part US am members Actually weighing f C-130 little less reviously perverse attitude also vident Skip lost bonus oints because engine quit about iidpoint second flight rule garding loss bonus isnt clear ngth time engines must operate i addition officials ruled Skip iould lose landing gear retraction nus Team Manager Dolly Wischer ar ied unjustified ints retraction returned after ard rule clarification regarding required ngth engine run should forthcoming Jean Rousseau France chose model subject push-pull twin-en ined Moynet 360 Jupiter prototype thich display nearby mu eum model balsa structure imost entirely covered thin alumi um sheet five airplanes ompetition metal exteriors Coin ound-curve sections glass poly ster resin Eleven servos used ontrol airplane destroyed entered near-vertical dive high Ititude long range serious crash f meet Conjecture cause tcluded radio link problems udible erratic throttle servo least ugine also suspected midair hanical failure structure Another uncommon French entry Colomban Cri Cri Cricket Charles Levy truly all-metal model built scale 1/24 other words slightly less half size prototype all-metal twin-engined aerobatic singleplace monoplane using tiny two-stroke en gines tuned pipes have seen airplanes action Oshkosh performing spectacular canopy-to-canopy maneuvers model powered pair OPS 40s hidden within dummy single cylinders all-metal twin weighing 599 kg 132 lb span 78 typical example model built up limit FM specifications Cliff Tacies 68-in-wingspan Bellanca Citabria smaller airplanes compete substitute crashed Spezio TuHoler model down graded flight realism because its small size made appear fly fast relative larger models Cliff made effort final flight slow airplane boost realism score smcothness increase low score four five Contestants given copies score sheets also permitted see sheets Only team managers permitted examine score sheets Dolly made handwritten copies flights keep fellows informed help improve low scores other World Championships score sheet dupli cates marked judges available contestants Paris organization fair communications second-rate respect French organizers excelled Score totals standings given out dinnertime evening including flight totals bonus well static scores couple Canadian entries particular interest four-engined deHav illand DH86B Rapide Express Steve Gray OS 20 engines 8-ft span another models built maximum allowable weight 30% bonus applied Steve secondhighest flight meet very accom plished pilot ffies Canadian Spruce Goose regularly DH performed well near scale speed model execute chandelle properly maneuver reserved non-aerobatic aircraft Steves documentation sadly lacking reflected static score about 1000 points too low Added information could easily make DH winner other notable Canadian entry Graham Irelands Fokker F VIIA trimotor first weigh-in model found 4 oz overweight Graham immediately set work replacing its heavy wheels New 4-in-dia wheels turned balsa plywood disc center core using Continued page 180 November1984 177 ACK-U-VOLT Digital DC Voltmeter Kit 3 Dinit LEDAiuwjsne Con - 0-999 & 5-999 stes Case ttsck Andind noih toolsInpos & Clot CabIns NiCd 50tna batsns 55f Test could valuable item flight bos No need guess hatteries need charged Atno valuahle voltage monitor quick charging Simple build simple use 3 digits shows yoa what battery voltages somply psessing switch places load hat 4tery no question charge Special lens fitte makes easier read sunlight HOLD switch holds display input moved handy wish record values later 4sose Charge 45 5lma charger 4 T TAKE CNANCEOETANACK-U-VOLT belier product modeler H8N ELECTRONICSosn,nom 44 nurnrAuOn 5*300no coo FULL SIZE PLANS No 457 Spectra$ 700 RC Electric-power craft uses three different wings Soaring Aerobatics plain Sport flying Use 05-size motor 6-8 cells Dauntless$ 575 CL Profile Carrier 15-power events Two sheets Sky Pursuit $ 300 FF Old-Timer Rubber power 1932 Joe Ott-designed Spans 23 No 458 No 459 Na 182SUIutta ci Stunt model McDonald winner 1 9761980 1982 FAI World Champs$ 375 Na 228Ole Ralable AC 70 version 38 old-timer REM contrnls 1 9-25$ 425 Ne 239Blue Blade AC Ken Willards tormotino plane 4-channel 10-power$ 375 Na 262Creshasaxtar CL Crash-proof trainer two sizes1 5-30- 35-40-power$ 125 No 299Baa Bee Sr Speetatar AC A-scale hy Haffke 91 power Prototype upon 30ff Two-and-a-halt sheets$1175 Na 302MIat F16 AC Sarpolos 049 docted fan upon flier 2-channel Balsa wingo fail fuse structore$ 275 Ne 3101930 Flael BItilam AC Sport Scale 35-40 4-channel Wingspan 56 scale Two sheets$ 625 Na 314Drake t AC Ken Willards flying hoot 3-channel 15-power Fly fond removahle gear$ 375 Na 326Taytar Cab AC Don Srolrs Schoolyard-Scale 049o 2-3 channel Spans 50 in-$ 350 Ne 332Zepliyr AC Small 2-channel glider hand-launch tow thermal slope soaring$ 200 Ne 343Wasp VI FF Mike Stays Nuts-winning Outdoor l-ILG$ 100 Na 348Onaslap AC Trainer han very forgiving flying qualities Three-channel 1 0-25-power$ 425 Na 354Naityc AC Giant 155-In upon Sailplane ones 3 AC channels$ 750 Na 388Plecas PF Indoor Easy B Aubher-power contest-winner hy W Van Gorder$ 100 Na 362SaparciE AC Half-A Pylon Aacerlsport flier Aileron elevator Control Foam wing$ 2 00 Na 385Sasmialar AC Willards 40-size flying hoot f 4-channel Strap-on gear landplaeel Two sheets$1100 Ne 383Camate 82 AC Fly sloak Nats-winniog Sailplone AMA Mnd Std Unlimitnd classes$ 7 50 Na 386Laser 208 AC Sport Scale replica championship Aerohahc flier Uses 40 power 4-5 channel Two sheets$1 075 Na 383yeA Kialed KIag AC Aeduced modernized version 1036 design hA 0ld-Timer- 2 3-channel$ 450 Na 398Baa Baa R1 AC Haffkes latest A-scale spans 75 weighs 15th flies no90 larger Four sheets vs doc$2225 Na 389Zephyr 1100 AC AMA Class B Sailplane 3-channel AC gear$ 675 Na 403Cab Flaatplaae AC Sport Scale 049-1 0-size engines 4-channel AC J-3 floats isa classic$ 650 No 4688a-Velt8n AC elechicpewer sport flier 2-channel 05 mat or$ 650 Na 416Peber Plate AC Scale famous EAA plane 40-power 4-channel Build upon Precision two sheets PIUs doc$1 300 Ne 412Masqatta AC Spon Plane twin uses 10 engines 4-channel AC$ 825 Na 414ElectrIc Sparky AC electdc-pnweredfunflierfor 05 motor 3-channel AC scaled up 1939 rubher-power favorite$ 850 Na 415Nawkar Ituretemee Uk AC Electric-power Sport Scale tori S motor 3-4 channels Two sheets$1175 Na 420Rack 666 FF Competition Class orOfor 1 0-21 power Has variotrle-incidenco fail VIT$ 600 Na 422Scuter AC Two-Meter Sailplane has won Nats event 19821963 plus other contests$ 550 Na 423Cloud Crutaer-2 AC Old-Timer takes 60-power 3-channel AC Two-piece wing option easy transport Two sheets61275 Ne 424Bead Tent FF Embryo Endursoce robber-power float plane has opt losal whools stick-and-f issue delight$ 200 Ne 428ChIal CBpper AC Fatrulous 74-in-span Sport Scale flylflg hoot four 10-size engines 4-channel Three sheets doc 62000 Na 427Prilia PP Travelair Mystery Ship Miss Los Angeles profile all-balsa rubber models sport flyiog 1 7-in-spas$ 200 No429Deer EZ CL Old-Timer Stoat hiplane has profile fuselage uses 25 engine$ 400 No430kanakle AC Zippy little sportster 1 0-1 5 power 3-channel AC$ 400 Ne 431Lackhaad P38 AC Fan-scale twin-1 5-flier f 4-channels Two sheets61300 No432Phuato CL Updated Thunderhird-style Stuofer 35-40 evolves$ 575 Na 433Walls Up AC Electric-powered glider 2-3 channels 035 motor spans 52 0 No434Sly SIr CL IsA foam-wing Combut ship won 83 Nuts Use TO 049-051 power$ 350 No435ThIs N ThaE AC Aerohatic hiplane 40 engineo 4-channels Great spon flying$ 650 No437Klegflaher CL Profile Carrier plane spans 40/s uses 35 engine$ 600 No438CruIser PP Embryo Endurance mhber-power fun ship has trig-model characterishcs$ 200 Na 439Oasperadrc AC flying wing unique negative dihedral flies 4 channels 1 9-40 power Foam wing 50 Ne 446Caesar AC Old-Timer-like new design has huge wing slow easy flights 35 power 3 channels Two sheets$1725 No441NIt WII PF Hot small lightweight campeotion ship far 15 power try designer Harry Murphy$ 475 No 442Lazy Duck AC Big canard sport flier InA-09 power 2 channelo Uses loam heard parts$ 650 No443Turbo Pertar CL Scale 25 power Simple lines oasy truildiog Two sheets $ 675 No 444Flrabelt AC pusher canard sportlpattern uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 Ne 445Nesarttlr Cougar CL Scale model popular homehuilt won Nats Uses 21 engine speos 41 in$ 925 Ne 448La Crete AC Electric-powered upon flier tar 05 motors 3-channels Two versious parasol colon$ 550 No447A Mtee AmerIca AC Old-Timer /sA Texaco model 049 glow 2-channels 0 Na 448Screamts Eaglet AC Partial plan modifying Goidhengs Eaglet kit hotter aerotraucs$ 400 No449Saflue CL Sportitunt plane 40-size 4-stroke engine builds fast easy$ 600 Na 450Icy Boy 74 FF CO-2 power flies 24-in-span replica tomees 1948 long-failed compehhon ship$ 200 No451ElI Blptaea Sealer AC Redesign sleek 1937FF triplane 3-4 channels 29-40 power Two uheets61175 No452Baa Bee L AC Doarter-scale spans 71 in. uses 90 power Four sheets61600 No453Smoefttle Profile CL Profile rendition Botr Palmurs super-Stunter early Fithen 35 power$ 550 No 454Sweet P30 PP Neat shck-and-hsaue Outdoor Aatrtrer P-30-class model contest-winner$ 200 No455lAster Malpa CL Big Scale model famoan air racer spans SB iv onus 60 pewer Two sheets$1 375 No45818-Tech 20111 AC Dacted-fan fufaristic-looking canard fur 25-size engines Built-up conutruchon Three sheets61175 Circle numbers plans wish order 193225239 993023103143263321 343348354358362365383386393398 399403408410412414415420422423j 424426427429430431432433434435 437438439440441 442443444445446 447448449450451452453454455458 I I I NAMEI II STREETI II oms II STATE _______________________ ZIP _______________________ II I 457458459 Prtce includes fIrst-class postage within US Fir aNita intslim Its US. please add $250 Air Mail 5125 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivefy Please print carefully Enclosed _____________________________________ electric drill lathe painted wheels looked bit good rubber-tired rejects Weight model reduced just under 6 kg substitution ever lack resiliency new wheels caused nose-over takeoff Graham didnt complete flight compound difficulties nacelle fuel tanks leaked model excellent quality having dummy engine cylinders cast polyester resin wing completely covered varnished birch veneer original Engines Enya 40 four stroke Incomplete documentation kept Grahams static score quite low success formula FAI RC Scale contests appears model built large possible four-stroke multi-engines weight near top limit Twenty 40 RC entries weighed near 6 kg Three mod els actually over limit indicating desire build right up limit possibly lack accurate scale pre-weighing four-stroke engine has advantage provided properly cooled can swing large diameter efficient propeller sound fourstroke compared two-stroke must surely influence reaction judges Forty entries seems limit can handled single crew five judges future can certainly expect entrants required extra judges will add financial burden organizers Look increased entry fees Judges would prefer several threeview drawings presented avoid con gestion around drawing shorten judging time Insufficient documentation problem some oontestants par ticularly attending first World Championships flown Stand-off events previ ously documentation presented book form data seen disas sembled judges could pass photos around Printed information al oompletely useless judges will take time read anything Near end static judging observed time required plane reduced 20 minutes com pared over half-hour earlier Being judged last advantages Judges viewed top both sides front bottom looked unpainted wheel-well inte roors Because judges touched models may reason change rule specify judges may approach within meter nearest part model Judges seen hold color cards directly against models surfaces intended happen- present rules formulated As mod els judged Paris change previous FAI judging seemed absence actual measurements scale rulers Except shortening time near end static judging models received same treatment 180 Model Aviation 0 0 C --0 cJ 0 CJ 0 C 60 zoo ci 0 -C 0 -- Co ci 00 o -- no -V - Os a -Q 80 C no4 C -V oaoa ea us oak -U no Cc o 00 El1 ow 00 c Os 0 SC S
Edition: Model Aviation - 1984/11
Page Numbers: 84, 85, 86, 87, 88, 89, 90, 91, 176, 177, 180
Sc ALE WORLD CHAMPIONSHIPS es motorized grinder located within used loading passengers about 800 feet $ t few feet terminals main entrance terminal distance between Paris July 28Radio Control flights made anthe two areas activity made difficult immense concrete paved area formerlyproperly report both events RC such excellent weather lightly-loaded planes could effectively compete heavier models Australians took top two places Radio Control event USSR team again victori ous Control Line EBob Dolly Wischer HISTORIC LeBOURGET Airport Paris Musee de LAir scene Eighth Scale World Championships Radio Control Control Line airplanes Models displayed inside old ter minal building late 1930 era seen no airline activity since traffic diverted Charles De Gaulle Orly Airports building presently being renovated receive aircraft museum will transferred Chalais-Meudon within next year Concrete dust stirred thousands visitors feet coated models constantly during week stay LeBourget Airport remains use freight operations mostly jet aircraft few monster prop-driven Boeing Guppy conversions add interest area flights along edge field adjacent museum separated full-scale operations half mile Control Line circle its concrete joints polished smooth 84 Model Aviation First place H won David Masterton Australia all-metal-covered DeHavil land Drover trimotorwith Enya 40 four-stroke Washout 7 makes ultra-stable flight Another Australian won second place RC Warwick Gregory wIth Avro 504K WW era Covering Silkspun Coverite finished cleardope enamei finaily clear overcoat landing gear includIng tail skid sprung Photos authors area row extremely tall light poles along side near spectators space some pilots found intimidating Actually airplane flying near poles would have maneuver disqualified flying above spectators behind deadline Organization meet adequate contestants accommodated single modem hotel located about 1 miles airport Breakfasts dinners served hotel entire group occasions contributed general mixing nationalities Lunches served dining room airport terminal building Except typically light French breakfasts feeling being too well fed plenty water dont drink wine meal Seventeen nations competed 40 airplanes entered RC 18 CL competitions large number RC entries 40 being flown three days meant strict discipline needed followed flight line because set ofiudges used both static flight Control Line oper ations conducted leisurely pace Fortunately weather three days absolutely perfect having quite warm temperatures almost complete absense wind during day lack wind have considerable effect final results aircraft equal chance regardless wing loading As expected RC models having advantage high bonus applied flight scores placed high standings dozen entries having 5% bonus highest placement 17th position However two 30%Left Handmadefibergiassspinnerswere required toget Skip Masts Lockheed Ilerculesdowfl required weight making hand starting necessity Fiberglass also used cowls naceiles wheel blisters gear doors Right RC Sopwith snipe Englands Peter McDermott features rotating dummy engine exhaust-driven mounted large heavy bail bearing extra nose weight flights end prop stops engine continues spin Undercambered wings covered nylon finished dope Humbrol paint Left Drulne Turbulent 0-31 byJosef Mayer Germany 151/4 scale Engine HB 60 Robart pump Covered Ceconlte 111gm Nicolo Saittones 1/4-scaie RC Stits Playboy covered Solartex 71/2 lb lightest model event Webra 60 power November 1984 85 US Scale Team LR Cliff Tacle Citabria Jeff Perez Boeing B17 Dolly Wischer team manager Ron SearsStearman PT-i 7 John Guentherasst team manager Clayton Skip Mast Lockheed Hercules Bob Underwood Alcor Mike Gretz Ziln Akrobat bonus entries low static scores effectively dropped out running Because higher bonus applied multiengine aircraft incorrectly assumed single-engine models disadvantage Six top 10 single engine US Control Line team consisted Mike Gretz Zlin Akrobat 526 Ron Sears Stearman PT-17 Jeff Perez Boeing B-17 Fortress Radio Con trol Bob Underwood Alcor C6l Skip Mast Lockheed Hercules C-i 30 Cliff Tacie Bellanca Citabria Dolly Wischer team manager John Guenther assistant John living Paris summer speaks French played important role communica tions lone US judge Andy ber Control Line competition Preparation World Championship has taken new meaning result lessons learned Paris RC Austra lians won first second placeslargely because well prepared Australian team arrived Paris week early practice model burned gallons fuel local club field Winner first place David Masterton professional pilot flying model deHav illand Drover 1953 trimotor practice airplane all-foam construction covering also trimotor Its appearance simply awful us would hesitate seen its presence model served its purpose Daves preparations continued through com petition flight arrived flight line check list stopwatch item tool needed spare part ac counted definite place flight itself may have less perfect static score highest Five competitors better flights lower static scores end second round first place securely grasp no need fly final round unless near competitor made exceptional flight static scores posted rush examine Daves Drover much detail admire Structure balsa 1/16-in sheet cover sanded 1/32-in thickness completely covered alumi num alloy sheet 0035 thickness specially rolled maximum hardness aluminum easily damaged handling fastened balsa contact adhesive except along panel stroAmlot ncw iuaiurw ngnIy-awanua manaing guar witn guam operating UflOCK struts six iineswmtn electric gearretraction - -working flatches wired spark plugs its dummy engine Assembly atter snipment Tour-flour task Hignt Brian Taylors latest design Bristol Beaufighter 79-In span uses pair Enya 40 four-stroke engines Finish Brians usual lightweight tissue banana oil base Humbrol paint applied over placed seventh 86 Model Aviation iways contenuer MICK hleeves newestaesmgn ass Hawker Hurricane MKW Engine cool ing air comes radiator under wing small gap behind spinner Mick British team member proved WW ii fighter can flown true scale speed edges epoxy used Rivet detail embossed individual panel rear tooling obtain uniform impressions Although detail complete respects model no retract ing landing gear working oleo landing gear used springs addition rubber com pression dougimuts Knowing past experience all-metal airplanes may have radio reception problems asked Dave whether model affected answered JR equipment wasnt susceptible signal loss metal air plane Dave solved instability situation sharply-tapered wing adding 70 washout no reason doubt angle very easily visible Another feature contributed stability models light weight 106 lb its 7-ft wingspan Three Enya 40 four-stroke engines provided excess power prove single-engine airplanes re main contention World Champion ships Warwick Gregorys entry WW Avro 504K 72-in span weighing 1025 lb Its light wing loading wasnt detrimental very low wind velocities LeBourget model qualified 25% flight bonus 10% came Avro having pre-1914 design Actually 504K built after 1914 interpretation bonus rule brought about protests some teams jury decided rule should interpreted mean airplane designed before 1914 model would have finished seventh place benefit jurys ruling Look clanrun uu.u tun S. an. ra.j.iv wan CA. alt, uuflib drop trwa dive speCtuumairare tWlflSkwumu nunwas CL British ently wunt kept low tissue covering lightiy-uppzitid Humbrol paint tvu-pun polyurethane top coat November 1984 87 Ultra-quiet Salto 45 four-strokes Bob Underwood-u uur uru wuu ig ing gunurulnu Balsa structure covered -oz glasacloth K&B resin finished biackauto enamei fication rules future Gregory built model David Bodding tons drawings modifications including undercambered scale airfoil extra 5% bonus truly unusual entries Le auter uu uuuuuyuu uwi aug uuuuu uaouuu nuipau .selage nose cockpit ma mu authentic 1/4-suau RC Sopwlth Tabloid Italys Carto achieved high flight scores Full results Competition Newslettersection issue Bourget Bob Underwoods twin-en gined Alcor attracted commensurate attention US model could possibly have overtaken Austra hans first place Weak landing gear legs tended partially collapse cause nose-over landing prevented accum ulation high K-factor landing scores Higher scores landings could easily have added 11 points needed move Bob second mere two-tenths percent Better landings Bob could also have forced Masterton make thirdround flight preserve hold first place remainder Bobs flights usual job extremely smooth precise flying Alcors two Saito 45 engines notably quiet extent judges complained inability determine whether engine throttled during Bobs single-engine flight option As far known single-engine operation never elected flight option FAI RC Scale its two engines close fuselage centerline built-in out-thrust configuration ideally suited singleengine operation control compen sation model also does excellent job maintaining true scale speed small change airspeed detec ted engine throttled no loss control engine spite planes 13-lb weight Control Line Scale two con tests determine Soviet competitors would take first place other other plane covered silk fuselage silkapan wings Right Polish trainer TS-8 Bles CL entry Stephan Left highest CL flight score made Mike Greta electronically-controlled Zlln 526A 71 -ln-span acrobatic Petrov Bulgaria fine aluminum foil finish didnt help Petrovs static score turned out lowest contest Left Norwegian Vidar Tolfsens RC OH Tiger Moth seriously overweight 146 lb its four-stroke engine Enyn 90 Right illfated RC Fokker F VII byGraham ireland Canada never fly An overweight condition forced modifications kept grounded 88 Model Aviation First place CL Scale won Vladimir Fedesov right Antonov AN-28 turboprop airliner uses pair 60 bevel-gear-drive engines fit confines its tiny nacelies entrants Vladimir Fedosov Valery Kramarenko Antonov AN-28 AN-26 twin-engined aircraft looking ever professionally built placed first second models used bevel-geardrive 60 engines first seen 1974 fit turboprop nacelles Antonovs engines entirely trouble-free Fedosov lost outboard engine flight considerable engine testing certain future flight comple lion models use line control flaps retracts throttle prop pitch reversal latter demonstrated backing airplane end flight after taxi maneuver Kramarenko also has three landing lights actuated wheels lowered very rich setting outboard engine third highest-scoring flight props refused reverse Third-place winner Vladimir Boulatnik ov used Webra 61 Air biplane late- 1920 era Control digital two steel cables pair wires carry signal first giance model ap peared powered four-cylinder aircooled engine exposed rocker arms its finned heads actually dummy mounted horizontally underneath Blackburn Cirrus engine belt-driven close scrutiny whole airplane valve mechanism Webra found unusually well detailed Left Vladimir Bouiatnikov ready install belt-driven dummy Blackburn Cirrus Webra 60 CL Air biplane Excellent detail visible strut wire fittings Right Boeing B-IT Fortress Jeff Perez flown its second CL World Champion ships TB-in -span bomber has two-piece fuselage comes apart wing trailing edge allow more-manageable shipping box Left Carlo Mapelils RC Smith Minipiane uses geared OS 60 61 -in-span bipe Vs scale finished actylic lacquer over Fab ricote Right Loch Podgorski Poland has competed manyCL World Championships HisTupolevTU-2 WW ii bomberis heavyat 15 lb November 1984 89 Swiss contestant Konrad Oetiker flown /4-scale Bucker Jungmelster previously 1982 World Championships Reno Engine subsequently changedtoa Salts 1 2ofourstroke Finish Solartex two-part auto paint Six top seven used four-strokes rigging wire terminated perfectlyformed clevis pre cisely like others indicating parts made programmed ma chine tool methods expected marks amateur-built products absent three Soviet airplanes Boulatnikov made complete flight Engine operation seemed marginal Webra hard pressed maintain flight large heavy biplane An interest ing feature Air its animated pilotwho turned head saluted model stopped directly front judges No comments heard judges effective ness maneuver scoring Jerzy Ostrowski now engaged home-built movement native Poland returned yet another World Champion ships famous Lockheed P-38 Lightning model now looks better ever after having rebuilt following devastating crash nearly wiped out masterpiece Engine trouble two Supertigre 60s due lean runs brought about serious problem second flight engine failed model proved incapable sustained altitude engine After several descending laps landing gear failed extend due tangled lines P-38 landed hard its belly tank absorbed impact Lightning drops bomb diving quite steeply hazardous maneuver model barely has time recover descent Mike Gretz highest placing US en trant overcame low static score mak ing highest scoring flight Control Line event boost himself welldeserved fifth-place finish Mikes Zlin Akrobat 526 has extremely smooth control digital equipment control box mounted Mikes belt operated left hand right used elevator Optional demonstrations include flaps throttle air-operated landing gear Zlin Sig kit prototype Chris Bradford England has reliable model Nieuport 17 proved himself experienced skillful pilot model has appearances battle-weary relic WW Its nylon covering material has dyed English tea produce true antique finish Its weathered demeanor may have carried bit too far static judges obvi ously impressed streaked oil smudges proper places dummy engine came Williams Bros model originated VK kit once flown RC its controls could converted back RC desired weight 56 lb HP 61 engine easy task performing flight maneuvers ordinarily seen CL Scale Chris performed smooth round loops started finished same altitude Nieuport finished surprising sixth place Ron Sears competing first World Championships enjoyed minute except tummy butterflies before flight mentally practiced flight routines continuously midnight excitement pre cluded sleep Posted static scores broight attention models high quality Ron benefitted static judges desire examine models closely surface texture craftsmanship scale detail Although rule book states specifically three items judged meter 39 distance judging actually done zero distance model touched ascertain its surface texture also done RC static judges Ron nothing fear such close encounters Coverite Ran dolph dope finish could withstand close scrutiny flight Rons Stearman strict ly non-aerobatic 12 lb carried Supertigre 60 engine Jeff Perez entered second World Championships first having Kiev Soviet Union two years previously model same Boe ing Fortress 0S 25 enginesreli able stable flight suffering same low static score first flight best last ended damaged landing gear However single good 90 Model Aviation DH Comet uroavenor House cnoice o uwiss compeuior nanurusa Lelmer RC pair four-stroke 05 40 engines powers 88-in-span McRobertson racer Chris Bradford ngiana soaKea ins nyion covering Nicuport 17 tea week dye fabric dummy engine came Williams Bros model itself VK kitconverted RC ck documentation OH 869 Rapids Express kept static score low though him ta among tne best nes gave stabie flight heiped 4 oz nose weight Right Canadas CL entry V splane Bill Logan , ,erlte exceptforthe siuminum nose section Hobbypoxy Scoring CL models doesnt includes compiexity bonus flight enough place US team second position final standings satisfying conclusion meet Jefts 78-in-span Boeing finished Aero Gloss dope over silkspan silk compound curves impregnated poly ester resin insignia painted An unfamiliar aircraft Heinkel HE 219 AZ Ron Truelove England very large model 81-in wingspan weighing 144 lb its two engines Irvine 40s Flaps retracting gear throt tles drop tank electronically controlled Returning RC competition des cription better models order Konrad Qetiker Switzerland Bucker Jungmeister 1 33C -scale size finished fourth place 126-lb aero batics trainer used Saito 20cc four-stroke engine Hansruedi Zeller deHavil land 88 Comet racer finished fifth place used pair 05 40 four-stroke engines combined efforts two gave Switzerland Team Championship RC Scale nothing exceptional about either Swiss planes Both large near FM upper weight limit both powered four-stroke engines six top seven RC models impressive statistic especially view fact 12 40 airplanes four-stroke-powered RC Mick Reeves England competing eighth World Championships includes date aircraft Hawker Hurricane Mik 2C Engine cooling air entered through radiator beneath center wing carried forward duct work flow over cylinder Enya Continued page 176 Left metal identical its prowtype xne Lri rr IrucKeI iwin Cnuriuu LUV ui uuu pair OPS 408 buried inside dummy cylinders Tuned pipes authentic Right Wim Reynders Belgian Standoff winner ai numb two years ago less successful Spitfire Mk 14 Paris Finish tissue banana oil Poiycoat paint rubbed fora metal finish Only air intake gap behind spinner November1984 91 Near perfection lathe best description Valery Kramarenkos CLAntonovAN-26 Specially made horizontal-cylinder engines use bevel gears drive reversible-pitch propellers LCfl norsemn reaursen OT Idorway prepare mis RC Spitfire Mk 14 5Lu1IIjuuu5I 1 Right Philip Avonds Belgian air force pilot regularly flies F 68-in-span Mustang finished epoxy has toggled sequential gear doors uuiuru u drop tank ScannerlMare Continued page 173 available space will Notice sketch schematic wiring dia grams attenuator Install switch out circuit High knob down Low About 30dB attenuation obtained use allow monitor strong nearby signals switch attenuator collapse antenna Remember though makes scanner less sensitive weak out-of-the-area inter ference Periodically activity permits attenuator should switched out antenna extended check possible incoming interference Crystal Holder Now youve got -SCALE DOCUMENTATION SCALE DRAWINGSMODEL PLANS PHOTOS BOOKS EPLA TECH 1984 AIRPLANE N ERNA ONA CATALOG48500 MC KENZIE HWY $300VIDA OREGON 97488 SILICONE tr ID 062 092 125 U S POST 10 foot coils TUBING S/coil 235 265 3 2554 CO L [ LARRY DODGE ERG INC 10210 MANNINGSTILLWATER MN 5508 NOSTALGIC FLYING NEW VERSION OF ORIGINAL CHRISTMAS CARD TRU-FLITE MODEL FROM THE PAST reje When,. Pesos to, 40s Solids isto en eSeol,telv SeeottI tflee Model ttStOoOeI I5eo5 ~ oo~s Note usa GeetssteetetoIy dose 0e 24 Istshensekpe3 p2495 Box S2mn Rosaville MI 48066 TORK-STARTER $2995 Charger 11 tV 220V 1 2V Fast Charger $2095 Without Charger CHARGERS $1295 Charger Only Ill OV 220V 1 2V Past Charger 301 464-2260 nice new modern plug-in crystal attenu ated scanner youll getting complete set crystals go youll need way store transport identify May suggest Deluxe RC Crystal Caddy after brown bag has no class caddy started life off ubiqui tous plastic sandwich box snap-on cover nearest food store come sizes shapes choice Superseal #3427 nationally avail able however similar will onehas inside dimension 5%-in square insert based use another size merely adjust outside dimensions insert ac tual crystal holder youll need piece plastic least Y16-in thick Measure mark off material per diagram drill 36 holes required #56 bit exact crystal pin spacing 192 rather difficult lay out fractional scale accurate set pair dividers right dimen sion using crystal pins guide mark hole spacing labels crystal holder cut Airtronics Frequency Card can have asking order crystals Apply some thin double-sided tape rear card before cut out individual labels find Sonic-Tronics Crazy Tape excellent other modeling chores Keep protective covering until youve trimmed labels size trimmed drilled labeled crystal holder secured case sticky tape piece foam rubber attached cover keep crystals place during drive field Neat huh Cars boats Basically weve treated update aircraft frequencies since primary RC interest However scanner works equally well 75 MHz car boat frequencies can convert channels either methods described Air tronics does have Crystals hand same price correct labels found other side card Tuning future time feel scanner losing sensitivity first thing after verifying batteries good shape check tuning photos y5TE Easy use part no mix paint system No mixing No waiting Fast drying extremely fuel proof Formulated just modeler covers surfaces paints resins Send free instruction brochure BUY IT YOULL LIKE IT SIG MFG COMontezuma IA 50171 shows proper spots PC board whici can pick up modulated waveform thl detected output Tuning should done tin middle band using antenna-down trans mitter some distance away signal source Adjust RF IF transformers maxi mum signal scope Physically lo cated line starting vicinity antennl input towards center unit Crystals once again Airtronics has graciousl agreed furnish sets new frequency crys tals special prices duly registered plane boat car clubs Included also packagt will some molded crystal caps bt used originally-installed crystals whict have Write Airtronics curren information meantime isnt nice know thal something own thought ha obsoleted technology can updated tc fly again Parts update As writing two types ol crystal sockets erroneously listed HC-1S crystals must HC-25 made former cataloged Semi conductor Surplus 2822 North 32nd St Unit 1 Phoenix AZ 85008 priced 504 actually two $100 have sia minimum also always list lot useful items getting order level difficult Ask check catalog Scale WClWlschers Continued page 91 90 four-stroke Air made its exit through dummy exhaust stacks method could successful Englands cool weather high temperatures existed during three flying days Le Bourget Mick cooling problems noticeable loss engine rpm engine spaced back 15-in shaft extension model weight 129 lb meant engines full output needed maintain flying speed Mick con centrated using enough power result speed scalelike Features model handmade aluminum wheels tires molded Devcon RTV compound paper covering over balsa structure Hobbypoxy finish over dope-and-talc filler Brian Taylors Bristol Beaufighter second-highest static score along flight reasonably high quality As can expected Brian model exceptional Surprisingly 176 Model Aviation r Rk MFG OF NI STARTER $2995 Charger PLEASE SPECIFY WHICH CHARGER WHEN ORDERING TORK-STARTER revolutionary concept power 15V glow plugs model cars boats air planes using glow fuel engines TORK-STARTERITMI has steel wrench strong enough reduce compression easier starting ft supplies power vhII dolag comes new CIlO charger has LEO indicate unit charging also has removable T handle can used Torque amplifier Over 50 consecutive starts full charge rechargeable hundreds times Clips Onto plug positive connection Send ad along pre-paymens receive free shiooino handlino 12721 HASKELL LANE BOWIE MARYLAND 20716 L STICK&TISSUEMODELSFOAM SCALE ARE GREATMODELS new sheet foam bailds easier-Peanuts difference youll enloyat& Up lowest cost Several scale de signs available antique des sic warbirds 6 homebuilts Send $1O0forlatestplanslistfoam-samples discount coupon etcflex 652AM GETAFREECO-2MOTORSt CreSt Falls SW 54024 LMP 1000 LMP 1000 ultra light sport glider designed perform light heavy slope conditions Aileron elevator controls combined size weight airfoil makes ideal airspace limited kit includes quality balsa hardware rolled plans need glue covering radio Wing Span 41 Wing Area 275 sq Length 285 Flying Weight 1314 oz Wing Loading 6575 oz/sqft Two Channel Radio Mini Servos 250 MAH BATT $2500 includes shipping UPS COD cash money order CA ales tax Dealer Inquiries Invited LINDSEY MICRO PRODUCTS 160A N Fairview Ave Suite 104 Goleta CA 93117 y engines inside cowlings rge airplane 79-in wingspan Brian sd kept weight down 12 lb using special covering method banana oil ver light tissue topped off Humbrol aint Skip Masts Lockheed C-130 Hercules tracted maximum attention ights general disbelief trge four-engine model foam construc could kept under 6 kg FAI eight limit Models weighed first efore static judging super-accurate igital-readout scale Skips Herc reighed again after flight Bob Inderwoods Alcor re-weighing rocess meant bit fuel needed removed tanks certain f being under limit re-weighing somewhat irritating implied sus ected dishonesty part US am members Actually weighing f C-130 little less reviously perverse attitude also vident Skip lost bonus oints because engine quit about iidpoint second flight rule garding loss bonus isnt clear ngth time engines must operate i addition officials ruled Skip iould lose landing gear retraction nus Team Manager Dolly Wischer ar ied unjustified ints retraction returned after ard rule clarification regarding required ngth engine run should forthcoming Jean Rousseau France chose model subject push-pull twin-en ined Moynet 360 Jupiter prototype thich display nearby mu eum model balsa structure imost entirely covered thin alumi um sheet five airplanes ompetition metal exteriors Coin ound-curve sections glass poly ster resin Eleven servos used ontrol airplane destroyed entered near-vertical dive high Ititude long range serious crash f meet Conjecture cause tcluded radio link problems udible erratic throttle servo least ugine also suspected midair hanical failure structure Another uncommon French entry Colomban Cri Cri Cricket Charles Levy truly all-metal model built scale 1/24 other words slightly less half size prototype all-metal twin-engined aerobatic singleplace monoplane using tiny two-stroke en gines tuned pipes have seen airplanes action Oshkosh performing spectacular canopy-to-canopy maneuvers model powered pair OPS 40s hidden within dummy single cylinders all-metal twin weighing 599 kg 132 lb span 78 typical example model built up limit FM specifications Cliff Tacies 68-in-wingspan Bellanca Citabria smaller airplanes compete substitute crashed Spezio TuHoler model down graded flight realism because its small size made appear fly fast relative larger models Cliff made effort final flight slow airplane boost realism score smcothness increase low score four five Contestants given copies score sheets also permitted see sheets Only team managers permitted examine score sheets Dolly made handwritten copies flights keep fellows informed help improve low scores other World Championships score sheet dupli cates marked judges available contestants Paris organization fair communications second-rate respect French organizers excelled Score totals standings given out dinnertime evening including flight totals bonus well static scores couple Canadian entries particular interest four-engined deHav illand DH86B Rapide Express Steve Gray OS 20 engines 8-ft span another models built maximum allowable weight 30% bonus applied Steve secondhighest flight meet very accom plished pilot ffies Canadian Spruce Goose regularly DH performed well near scale speed model execute chandelle properly maneuver reserved non-aerobatic aircraft Steves documentation sadly lacking reflected static score about 1000 points too low Added information could easily make DH winner other notable Canadian entry Graham Irelands Fokker F VIIA trimotor first weigh-in model found 4 oz overweight Graham immediately set work replacing its heavy wheels New 4-in-dia wheels turned balsa plywood disc center core using Continued page 180 November1984 177 ACK-U-VOLT Digital DC Voltmeter Kit 3 Dinit LEDAiuwjsne Con - 0-999 & 5-999 stes Case ttsck Andind noih toolsInpos & Clot CabIns NiCd 50tna batsns 55f Test could valuable item flight bos No need guess hatteries need charged Atno valuahle voltage monitor quick charging Simple build simple use 3 digits shows yoa what battery voltages somply psessing switch places load hat 4tery no question charge Special lens fitte makes easier read sunlight HOLD switch holds display input moved handy wish record values later 4sose Charge 45 5lma charger 4 T TAKE CNANCEOETANACK-U-VOLT belier product modeler H8N ELECTRONICSosn,nom 44 nurnrAuOn 5*300no coo FULL SIZE PLANS No 457 Spectra$ 700 RC Electric-power craft uses three different wings Soaring Aerobatics plain Sport flying Use 05-size motor 6-8 cells Dauntless$ 575 CL Profile Carrier 15-power events Two sheets Sky Pursuit $ 300 FF Old-Timer Rubber power 1932 Joe Ott-designed Spans 23 No 458 No 459 Na 182SUIutta ci Stunt model McDonald winner 1 9761980 1982 FAI World Champs$ 375 Na 228Ole Ralable AC 70 version 38 old-timer REM contrnls 1 9-25$ 425 Ne 239Blue Blade AC Ken Willards tormotino plane 4-channel 10-power$ 375 Na 262Creshasaxtar CL Crash-proof trainer two sizes1 5-30- 35-40-power$ 125 No 299Baa Bee Sr Speetatar AC A-scale hy Haffke 91 power Prototype upon 30ff Two-and-a-halt sheets$1175 Na 302MIat F16 AC Sarpolos 049 docted fan upon flier 2-channel Balsa wingo fail fuse structore$ 275 Ne 3101930 Flael BItilam AC Sport Scale 35-40 4-channel Wingspan 56 scale Two sheets$ 625 Na 314Drake t AC Ken Willards flying hoot 3-channel 15-power Fly fond removahle gear$ 375 Na 326Taytar Cab AC Don Srolrs Schoolyard-Scale 049o 2-3 channel Spans 50 in-$ 350 Ne 332Zepliyr AC Small 2-channel glider hand-launch tow thermal slope soaring$ 200 Ne 343Wasp VI FF Mike Stays Nuts-winning Outdoor l-ILG$ 100 Na 348Onaslap AC Trainer han very forgiving flying qualities Three-channel 1 0-25-power$ 425 Na 354Naityc AC Giant 155-In upon Sailplane ones 3 AC channels$ 750 Na 388Plecas PF Indoor Easy B Aubher-power contest-winner hy W Van Gorder$ 100 Na 362SaparciE AC Half-A Pylon Aacerlsport flier Aileron elevator Control Foam wing$ 2 00 Na 385Sasmialar AC Willards 40-size flying hoot f 4-channel Strap-on gear landplaeel Two sheets$1100 Ne 383Camate 82 AC Fly sloak Nats-winniog Sailplone AMA Mnd Std Unlimitnd classes$ 7 50 Na 386Laser 208 AC Sport Scale replica championship Aerohahc flier Uses 40 power 4-5 channel Two sheets$1 075 Na 383yeA Kialed KIag AC Aeduced modernized version 1036 design hA 0ld-Timer- 2 3-channel$ 450 Na 398Baa Baa R1 AC Haffkes latest A-scale spans 75 weighs 15th flies no90 larger Four sheets vs doc$2225 Na 389Zephyr 1100 AC AMA Class B Sailplane 3-channel AC gear$ 675 Na 403Cab Flaatplaae AC Sport Scale 049-1 0-size engines 4-channel AC J-3 floats isa classic$ 650 No 4688a-Velt8n AC elechicpewer sport flier 2-channel 05 mat or$ 650 Na 416Peber Plate AC Scale famous EAA plane 40-power 4-channel Build upon Precision two sheets PIUs doc$1 300 Ne 412Masqatta AC Spon Plane twin uses 10 engines 4-channel AC$ 825 Na 414ElectrIc Sparky AC electdc-pnweredfunflierfor 05 motor 3-channel AC scaled up 1939 rubher-power favorite$ 850 Na 415Nawkar Ituretemee Uk AC Electric-power Sport Scale tori S motor 3-4 channels Two sheets$1175 Na 420Rack 666 FF Competition Class orOfor 1 0-21 power Has variotrle-incidenco fail VIT$ 600 Na 422Scuter AC Two-Meter Sailplane has won Nats event 19821963 plus other contests$ 550 Na 423Cloud Crutaer-2 AC Old-Timer takes 60-power 3-channel AC Two-piece wing option easy transport Two sheets61275 Ne 424Bead Tent FF Embryo Endursoce robber-power float plane has opt losal whools stick-and-f issue delight$ 200 Ne 428ChIal CBpper AC Fatrulous 74-in-span Sport Scale flylflg hoot four 10-size engines 4-channel Three sheets doc 62000 Na 427Prilia PP Travelair Mystery Ship Miss Los Angeles profile all-balsa rubber models sport flyiog 1 7-in-spas$ 200 No429Deer EZ CL Old-Timer Stoat hiplane has profile fuselage uses 25 engine$ 400 No430kanakle AC Zippy little sportster 1 0-1 5 power 3-channel AC$ 400 Ne 431Lackhaad P38 AC Fan-scale twin-1 5-flier f 4-channels Two sheets61300 No432Phuato CL Updated Thunderhird-style Stuofer 35-40 evolves$ 575 Na 433Walls Up AC Electric-powered glider 2-3 channels 035 motor spans 52 0 No434Sly SIr CL IsA foam-wing Combut ship won 83 Nuts Use TO 049-051 power$ 350 No435ThIs N ThaE AC Aerohatic hiplane 40 engineo 4-channels Great spon flying$ 650 No437Klegflaher CL Profile Carrier plane spans 40/s uses 35 engine$ 600 No438CruIser PP Embryo Endurance mhber-power fun ship has trig-model characterishcs$ 200 Na 439Oasperadrc AC flying wing unique negative dihedral flies 4 channels 1 9-40 power Foam wing 50 Ne 446Caesar AC Old-Timer-like new design has huge wing slow easy flights 35 power 3 channels Two sheets$1725 No441NIt WII PF Hot small lightweight campeotion ship far 15 power try designer Harry Murphy$ 475 No 442Lazy Duck AC Big canard sport flier InA-09 power 2 channelo Uses loam heard parts$ 650 No443Turbo Pertar CL Scale 25 power Simple lines oasy truildiog Two sheets $ 675 No 444Flrabelt AC pusher canard sportlpattern uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 Ne 445Nesarttlr Cougar CL Scale model popular homehuilt won Nats Uses 21 engine speos 41 in$ 925 Ne 448La Crete AC Electric-powered upon flier tar 05 motors 3-channels Two versious parasol colon$ 550 No447A Mtee AmerIca AC Old-Timer /sA Texaco model 049 glow 2-channels 0 Na 448Screamts Eaglet AC Partial plan modifying Goidhengs Eaglet kit hotter aerotraucs$ 400 No449Saflue CL Sportitunt plane 40-size 4-stroke engine builds fast easy$ 600 Na 450Icy Boy 74 FF CO-2 power flies 24-in-span replica tomees 1948 long-failed compehhon ship$ 200 No451ElI Blptaea Sealer AC Redesign sleek 1937FF triplane 3-4 channels 29-40 power Two uheets61175 No452Baa Bee L AC Doarter-scale spans 71 in. uses 90 power Four sheets61600 No453Smoefttle Profile CL Profile rendition Botr Palmurs super-Stunter early Fithen 35 power$ 550 No 454Sweet P30 PP Neat shck-and-hsaue Outdoor Aatrtrer P-30-class model contest-winner$ 200 No455lAster Malpa CL Big Scale model famoan air racer spans SB iv onus 60 pewer Two sheets$1 375 No45818-Tech 20111 AC Dacted-fan fufaristic-looking canard fur 25-size engines Built-up conutruchon Three sheets61175 Circle numbers plans wish order 193225239 993023103143263321 343348354358362365383386393398 399403408410412414415420422423j 424426427429430431432433434435 437438439440441 442443444445446 447448449450451452453454455458 I I I NAMEI II STREETI II oms II STATE _______________________ ZIP _______________________ II I 457458459 Prtce includes fIrst-class postage within US Fir aNita intslim Its US. please add $250 Air Mail 5125 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivefy Please print carefully Enclosed _____________________________________ electric drill lathe painted wheels looked bit good rubber-tired rejects Weight model reduced just under 6 kg substitution ever lack resiliency new wheels caused nose-over takeoff Graham didnt complete flight compound difficulties nacelle fuel tanks leaked model excellent quality having dummy engine cylinders cast polyester resin wing completely covered varnished birch veneer original Engines Enya 40 four stroke Incomplete documentation kept Grahams static score quite low success formula FAI RC Scale contests appears model built large possible four-stroke multi-engines weight near top limit Twenty 40 RC entries weighed near 6 kg Three mod els actually over limit indicating desire build right up limit possibly lack accurate scale pre-weighing four-stroke engine has advantage provided properly cooled can swing large diameter efficient propeller sound fourstroke compared two-stroke must surely influence reaction judges Forty entries seems limit can handled single crew five judges future can certainly expect entrants required extra judges will add financial burden organizers Look increased entry fees Judges would prefer several threeview drawings presented avoid con gestion around drawing shorten judging time Insufficient documentation problem some oontestants par ticularly attending first World Championships flown Stand-off events previ ously documentation presented book form data seen disas sembled judges could pass photos around Printed information al oompletely useless judges will take time read anything Near end static judging observed time required plane reduced 20 minutes com pared over half-hour earlier Being judged last advantages Judges viewed top both sides front bottom looked unpainted wheel-well inte roors Because judges touched models may reason change rule specify judges may approach within meter nearest part model Judges seen hold color cards directly against models surfaces intended happen- present rules formulated As mod els judged Paris change previous FAI judging seemed absence actual measurements scale rulers Except shortening time near end static judging models received same treatment 180 Model Aviation 0 0 C --0 cJ 0 CJ 0 C 60 zoo ci 0 -C 0 -- Co ci 00 o -- no -V - Os a -Q 80 C no4 C -V oaoa ea us oak -U no Cc o 00 El1 ow 00 c Os 0 SC S
Edition: Model Aviation - 1984/11
Page Numbers: 84, 85, 86, 87, 88, 89, 90, 91, 176, 177, 180
Sc ALE WORLD CHAMPIONSHIPS es motorized grinder located within used loading passengers about 800 feet $ t few feet terminals main entrance terminal distance between Paris July 28Radio Control flights made anthe two areas activity made difficult immense concrete paved area formerlyproperly report both events RC such excellent weather lightly-loaded planes could effectively compete heavier models Australians took top two places Radio Control event USSR team again victori ous Control Line EBob Dolly Wischer HISTORIC LeBOURGET Airport Paris Musee de LAir scene Eighth Scale World Championships Radio Control Control Line airplanes Models displayed inside old ter minal building late 1930 era seen no airline activity since traffic diverted Charles De Gaulle Orly Airports building presently being renovated receive aircraft museum will transferred Chalais-Meudon within next year Concrete dust stirred thousands visitors feet coated models constantly during week stay LeBourget Airport remains use freight operations mostly jet aircraft few monster prop-driven Boeing Guppy conversions add interest area flights along edge field adjacent museum separated full-scale operations half mile Control Line circle its concrete joints polished smooth 84 Model Aviation First place H won David Masterton Australia all-metal-covered DeHavil land Drover trimotorwith Enya 40 four-stroke Washout 7 makes ultra-stable flight Another Australian won second place RC Warwick Gregory wIth Avro 504K WW era Covering Silkspun Coverite finished cleardope enamei finaily clear overcoat landing gear includIng tail skid sprung Photos authors area row extremely tall light poles along side near spectators space some pilots found intimidating Actually airplane flying near poles would have maneuver disqualified flying above spectators behind deadline Organization meet adequate contestants accommodated single modem hotel located about 1 miles airport Breakfasts dinners served hotel entire group occasions contributed general mixing nationalities Lunches served dining room airport terminal building Except typically light French breakfasts feeling being too well fed plenty water dont drink wine meal Seventeen nations competed 40 airplanes entered RC 18 CL competitions large number RC entries 40 being flown three days meant strict discipline needed followed flight line because set ofiudges used both static flight Control Line oper ations conducted leisurely pace Fortunately weather three days absolutely perfect having quite warm temperatures almost complete absense wind during day lack wind have considerable effect final results aircraft equal chance regardless wing loading As expected RC models having advantage high bonus applied flight scores placed high standings dozen entries having 5% bonus highest placement 17th position However two 30%Left Handmadefibergiassspinnerswere required toget Skip Masts Lockheed Ilerculesdowfl required weight making hand starting necessity Fiberglass also used cowls naceiles wheel blisters gear doors Right RC Sopwith snipe Englands Peter McDermott features rotating dummy engine exhaust-driven mounted large heavy bail bearing extra nose weight flights end prop stops engine continues spin Undercambered wings covered nylon finished dope Humbrol paint Left Drulne Turbulent 0-31 byJosef Mayer Germany 151/4 scale Engine HB 60 Robart pump Covered Ceconlte 111gm Nicolo Saittones 1/4-scaie RC Stits Playboy covered Solartex 71/2 lb lightest model event Webra 60 power November 1984 85 US Scale Team LR Cliff Tacle Citabria Jeff Perez Boeing B17 Dolly Wischer team manager Ron SearsStearman PT-i 7 John Guentherasst team manager Clayton Skip Mast Lockheed Hercules Bob Underwood Alcor Mike Gretz Ziln Akrobat bonus entries low static scores effectively dropped out running Because higher bonus applied multiengine aircraft incorrectly assumed single-engine models disadvantage Six top 10 single engine US Control Line team consisted Mike Gretz Zlin Akrobat 526 Ron Sears Stearman PT-17 Jeff Perez Boeing B-17 Fortress Radio Con trol Bob Underwood Alcor C6l Skip Mast Lockheed Hercules C-i 30 Cliff Tacie Bellanca Citabria Dolly Wischer team manager John Guenther assistant John living Paris summer speaks French played important role communica tions lone US judge Andy ber Control Line competition Preparation World Championship has taken new meaning result lessons learned Paris RC Austra lians won first second placeslargely because well prepared Australian team arrived Paris week early practice model burned gallons fuel local club field Winner first place David Masterton professional pilot flying model deHav illand Drover 1953 trimotor practice airplane all-foam construction covering also trimotor Its appearance simply awful us would hesitate seen its presence model served its purpose Daves preparations continued through com petition flight arrived flight line check list stopwatch item tool needed spare part ac counted definite place flight itself may have less perfect static score highest Five competitors better flights lower static scores end second round first place securely grasp no need fly final round unless near competitor made exceptional flight static scores posted rush examine Daves Drover much detail admire Structure balsa 1/16-in sheet cover sanded 1/32-in thickness completely covered alumi num alloy sheet 0035 thickness specially rolled maximum hardness aluminum easily damaged handling fastened balsa contact adhesive except along panel stroAmlot ncw iuaiurw ngnIy-awanua manaing guar witn guam operating UflOCK struts six iineswmtn electric gearretraction - -working flatches wired spark plugs its dummy engine Assembly atter snipment Tour-flour task Hignt Brian Taylors latest design Bristol Beaufighter 79-In span uses pair Enya 40 four-stroke engines Finish Brians usual lightweight tissue banana oil base Humbrol paint applied over placed seventh 86 Model Aviation iways contenuer MICK hleeves newestaesmgn ass Hawker Hurricane MKW Engine cool ing air comes radiator under wing small gap behind spinner Mick British team member proved WW ii fighter can flown true scale speed edges epoxy used Rivet detail embossed individual panel rear tooling obtain uniform impressions Although detail complete respects model no retract ing landing gear working oleo landing gear used springs addition rubber com pression dougimuts Knowing past experience all-metal airplanes may have radio reception problems asked Dave whether model affected answered JR equipment wasnt susceptible signal loss metal air plane Dave solved instability situation sharply-tapered wing adding 70 washout no reason doubt angle very easily visible Another feature contributed stability models light weight 106 lb its 7-ft wingspan Three Enya 40 four-stroke engines provided excess power prove single-engine airplanes re main contention World Champion ships Warwick Gregorys entry WW Avro 504K 72-in span weighing 1025 lb Its light wing loading wasnt detrimental very low wind velocities LeBourget model qualified 25% flight bonus 10% came Avro having pre-1914 design Actually 504K built after 1914 interpretation bonus rule brought about protests some teams jury decided rule should interpreted mean airplane designed before 1914 model would have finished seventh place benefit jurys ruling Look clanrun uu.u tun S. an. ra.j.iv wan CA. alt, uuflib drop trwa dive speCtuumairare tWlflSkwumu nunwas CL British ently wunt kept low tissue covering lightiy-uppzitid Humbrol paint tvu-pun polyurethane top coat November 1984 87 Ultra-quiet Salto 45 four-strokes Bob Underwood-u uur uru wuu ig ing gunurulnu Balsa structure covered -oz glasacloth K&B resin finished biackauto enamei fication rules future Gregory built model David Bodding tons drawings modifications including undercambered scale airfoil extra 5% bonus truly unusual entries Le auter uu uuuuuyuu uwi aug uuuuu uaouuu nuipau .selage nose cockpit ma mu authentic 1/4-suau RC Sopwlth Tabloid Italys Carto achieved high flight scores Full results Competition Newslettersection issue Bourget Bob Underwoods twin-en gined Alcor attracted commensurate attention US model could possibly have overtaken Austra hans first place Weak landing gear legs tended partially collapse cause nose-over landing prevented accum ulation high K-factor landing scores Higher scores landings could easily have added 11 points needed move Bob second mere two-tenths percent Better landings Bob could also have forced Masterton make thirdround flight preserve hold first place remainder Bobs flights usual job extremely smooth precise flying Alcors two Saito 45 engines notably quiet extent judges complained inability determine whether engine throttled during Bobs single-engine flight option As far known single-engine operation never elected flight option FAI RC Scale its two engines close fuselage centerline built-in out-thrust configuration ideally suited singleengine operation control compen sation model also does excellent job maintaining true scale speed small change airspeed detec ted engine throttled no loss control engine spite planes 13-lb weight Control Line Scale two con tests determine Soviet competitors would take first place other other plane covered silk fuselage silkapan wings Right Polish trainer TS-8 Bles CL entry Stephan Left highest CL flight score made Mike Greta electronically-controlled Zlln 526A 71 -ln-span acrobatic Petrov Bulgaria fine aluminum foil finish didnt help Petrovs static score turned out lowest contest Left Norwegian Vidar Tolfsens RC OH Tiger Moth seriously overweight 146 lb its four-stroke engine Enyn 90 Right illfated RC Fokker F VII byGraham ireland Canada never fly An overweight condition forced modifications kept grounded 88 Model Aviation First place CL Scale won Vladimir Fedesov right Antonov AN-28 turboprop airliner uses pair 60 bevel-gear-drive engines fit confines its tiny nacelies entrants Vladimir Fedosov Valery Kramarenko Antonov AN-28 AN-26 twin-engined aircraft looking ever professionally built placed first second models used bevel-geardrive 60 engines first seen 1974 fit turboprop nacelles Antonovs engines entirely trouble-free Fedosov lost outboard engine flight considerable engine testing certain future flight comple lion models use line control flaps retracts throttle prop pitch reversal latter demonstrated backing airplane end flight after taxi maneuver Kramarenko also has three landing lights actuated wheels lowered very rich setting outboard engine third highest-scoring flight props refused reverse Third-place winner Vladimir Boulatnik ov used Webra 61 Air biplane late- 1920 era Control digital two steel cables pair wires carry signal first giance model ap peared powered four-cylinder aircooled engine exposed rocker arms its finned heads actually dummy mounted horizontally underneath Blackburn Cirrus engine belt-driven close scrutiny whole airplane valve mechanism Webra found unusually well detailed Left Vladimir Bouiatnikov ready install belt-driven dummy Blackburn Cirrus Webra 60 CL Air biplane Excellent detail visible strut wire fittings Right Boeing B-IT Fortress Jeff Perez flown its second CL World Champion ships TB-in -span bomber has two-piece fuselage comes apart wing trailing edge allow more-manageable shipping box Left Carlo Mapelils RC Smith Minipiane uses geared OS 60 61 -in-span bipe Vs scale finished actylic lacquer over Fab ricote Right Loch Podgorski Poland has competed manyCL World Championships HisTupolevTU-2 WW ii bomberis heavyat 15 lb November 1984 89 Swiss contestant Konrad Oetiker flown /4-scale Bucker Jungmelster previously 1982 World Championships Reno Engine subsequently changedtoa Salts 1 2ofourstroke Finish Solartex two-part auto paint Six top seven used four-strokes rigging wire terminated perfectlyformed clevis pre cisely like others indicating parts made programmed ma chine tool methods expected marks amateur-built products absent three Soviet airplanes Boulatnikov made complete flight Engine operation seemed marginal Webra hard pressed maintain flight large heavy biplane An interest ing feature Air its animated pilotwho turned head saluted model stopped directly front judges No comments heard judges effective ness maneuver scoring Jerzy Ostrowski now engaged home-built movement native Poland returned yet another World Champion ships famous Lockheed P-38 Lightning model now looks better ever after having rebuilt following devastating crash nearly wiped out masterpiece Engine trouble two Supertigre 60s due lean runs brought about serious problem second flight engine failed model proved incapable sustained altitude engine After several descending laps landing gear failed extend due tangled lines P-38 landed hard its belly tank absorbed impact Lightning drops bomb diving quite steeply hazardous maneuver model barely has time recover descent Mike Gretz highest placing US en trant overcame low static score mak ing highest scoring flight Control Line event boost himself welldeserved fifth-place finish Mikes Zlin Akrobat 526 has extremely smooth control digital equipment control box mounted Mikes belt operated left hand right used elevator Optional demonstrations include flaps throttle air-operated landing gear Zlin Sig kit prototype Chris Bradford England has reliable model Nieuport 17 proved himself experienced skillful pilot model has appearances battle-weary relic WW Its nylon covering material has dyed English tea produce true antique finish Its weathered demeanor may have carried bit too far static judges obvi ously impressed streaked oil smudges proper places dummy engine came Williams Bros model originated VK kit once flown RC its controls could converted back RC desired weight 56 lb HP 61 engine easy task performing flight maneuvers ordinarily seen CL Scale Chris performed smooth round loops started finished same altitude Nieuport finished surprising sixth place Ron Sears competing first World Championships enjoyed minute except tummy butterflies before flight mentally practiced flight routines continuously midnight excitement pre cluded sleep Posted static scores broight attention models high quality Ron benefitted static judges desire examine models closely surface texture craftsmanship scale detail Although rule book states specifically three items judged meter 39 distance judging actually done zero distance model touched ascertain its surface texture also done RC static judges Ron nothing fear such close encounters Coverite Ran dolph dope finish could withstand close scrutiny flight Rons Stearman strict ly non-aerobatic 12 lb carried Supertigre 60 engine Jeff Perez entered second World Championships first having Kiev Soviet Union two years previously model same Boe ing Fortress 0S 25 enginesreli able stable flight suffering same low static score first flight best last ended damaged landing gear However single good 90 Model Aviation DH Comet uroavenor House cnoice o uwiss compeuior nanurusa Lelmer RC pair four-stroke 05 40 engines powers 88-in-span McRobertson racer Chris Bradford ngiana soaKea ins nyion covering Nicuport 17 tea week dye fabric dummy engine came Williams Bros model itself VK kitconverted RC ck documentation OH 869 Rapids Express kept static score low though him ta among tne best nes gave stabie flight heiped 4 oz nose weight Right Canadas CL entry V splane Bill Logan , ,erlte exceptforthe siuminum nose section Hobbypoxy Scoring CL models doesnt includes compiexity bonus flight enough place US team second position final standings satisfying conclusion meet Jefts 78-in-span Boeing finished Aero Gloss dope over silkspan silk compound curves impregnated poly ester resin insignia painted An unfamiliar aircraft Heinkel HE 219 AZ Ron Truelove England very large model 81-in wingspan weighing 144 lb its two engines Irvine 40s Flaps retracting gear throt tles drop tank electronically controlled Returning RC competition des cription better models order Konrad Qetiker Switzerland Bucker Jungmeister 1 33C -scale size finished fourth place 126-lb aero batics trainer used Saito 20cc four-stroke engine Hansruedi Zeller deHavil land 88 Comet racer finished fifth place used pair 05 40 four-stroke engines combined efforts two gave Switzerland Team Championship RC Scale nothing exceptional about either Swiss planes Both large near FM upper weight limit both powered four-stroke engines six top seven RC models impressive statistic especially view fact 12 40 airplanes four-stroke-powered RC Mick Reeves England competing eighth World Championships includes date aircraft Hawker Hurricane Mik 2C Engine cooling air entered through radiator beneath center wing carried forward duct work flow over cylinder Enya Continued page 176 Left metal identical its prowtype xne Lri rr IrucKeI iwin Cnuriuu LUV ui uuu pair OPS 408 buried inside dummy cylinders Tuned pipes authentic Right Wim Reynders Belgian Standoff winner ai numb two years ago less successful Spitfire Mk 14 Paris Finish tissue banana oil Poiycoat paint rubbed fora metal finish Only air intake gap behind spinner November1984 91 Near perfection lathe best description Valery Kramarenkos CLAntonovAN-26 Specially made horizontal-cylinder engines use bevel gears drive reversible-pitch propellers LCfl norsemn reaursen OT Idorway prepare mis RC Spitfire Mk 14 5Lu1IIjuuu5I 1 Right Philip Avonds Belgian air force pilot regularly flies F 68-in-span Mustang finished epoxy has toggled sequential gear doors uuiuru u drop tank ScannerlMare Continued page 173 available space will Notice sketch schematic wiring dia grams attenuator Install switch out circuit High knob down Low About 30dB attenuation obtained use allow monitor strong nearby signals switch attenuator collapse antenna Remember though makes scanner less sensitive weak out-of-the-area inter ference Periodically activity permits attenuator should switched out antenna extended check possible incoming interference Crystal Holder Now youve got -SCALE DOCUMENTATION SCALE DRAWINGSMODEL PLANS PHOTOS BOOKS EPLA TECH 1984 AIRPLANE N ERNA ONA CATALOG48500 MC KENZIE HWY $300VIDA OREGON 97488 SILICONE tr ID 062 092 125 U S POST 10 foot coils TUBING S/coil 235 265 3 2554 CO L [ LARRY DODGE ERG INC 10210 MANNINGSTILLWATER MN 5508 NOSTALGIC FLYING NEW VERSION OF ORIGINAL CHRISTMAS CARD TRU-FLITE MODEL FROM THE PAST reje When,. Pesos to, 40s Solids isto en eSeol,telv SeeottI tflee Model ttStOoOeI I5eo5 ~ oo~s Note usa GeetssteetetoIy dose 0e 24 Istshensekpe3 p2495 Box S2mn Rosaville MI 48066 TORK-STARTER $2995 Charger 11 tV 220V 1 2V Fast Charger $2095 Without Charger CHARGERS $1295 Charger Only Ill OV 220V 1 2V Past Charger 301 464-2260 nice new modern plug-in crystal attenu ated scanner youll getting complete set crystals go youll need way store transport identify May suggest Deluxe RC Crystal Caddy after brown bag has no class caddy started life off ubiqui tous plastic sandwich box snap-on cover nearest food store come sizes shapes choice Superseal #3427 nationally avail able however similar will onehas inside dimension 5%-in square insert based use another size merely adjust outside dimensions insert ac tual crystal holder youll need piece plastic least Y16-in thick Measure mark off material per diagram drill 36 holes required #56 bit exact crystal pin spacing 192 rather difficult lay out fractional scale accurate set pair dividers right dimen sion using crystal pins guide mark hole spacing labels crystal holder cut Airtronics Frequency Card can have asking order crystals Apply some thin double-sided tape rear card before cut out individual labels find Sonic-Tronics Crazy Tape excellent other modeling chores Keep protective covering until youve trimmed labels size trimmed drilled labeled crystal holder secured case sticky tape piece foam rubber attached cover keep crystals place during drive field Neat huh Cars boats Basically weve treated update aircraft frequencies since primary RC interest However scanner works equally well 75 MHz car boat frequencies can convert channels either methods described Air tronics does have Crystals hand same price correct labels found other side card Tuning future time feel scanner losing sensitivity first thing after verifying batteries good shape check tuning photos y5TE Easy use part no mix paint system No mixing No waiting Fast drying extremely fuel proof Formulated just modeler covers surfaces paints resins Send free instruction brochure BUY IT YOULL LIKE IT SIG MFG COMontezuma IA 50171 shows proper spots PC board whici can pick up modulated waveform thl detected output Tuning should done tin middle band using antenna-down trans mitter some distance away signal source Adjust RF IF transformers maxi mum signal scope Physically lo cated line starting vicinity antennl input towards center unit Crystals once again Airtronics has graciousl agreed furnish sets new frequency crys tals special prices duly registered plane boat car clubs Included also packagt will some molded crystal caps bt used originally-installed crystals whict have Write Airtronics curren information meantime isnt nice know thal something own thought ha obsoleted technology can updated tc fly again Parts update As writing two types ol crystal sockets erroneously listed HC-1S crystals must HC-25 made former cataloged Semi conductor Surplus 2822 North 32nd St Unit 1 Phoenix AZ 85008 priced 504 actually two $100 have sia minimum also always list lot useful items getting order level difficult Ask check catalog Scale WClWlschers Continued page 91 90 four-stroke Air made its exit through dummy exhaust stacks method could successful Englands cool weather high temperatures existed during three flying days Le Bourget Mick cooling problems noticeable loss engine rpm engine spaced back 15-in shaft extension model weight 129 lb meant engines full output needed maintain flying speed Mick con centrated using enough power result speed scalelike Features model handmade aluminum wheels tires molded Devcon RTV compound paper covering over balsa structure Hobbypoxy finish over dope-and-talc filler Brian Taylors Bristol Beaufighter second-highest static score along flight reasonably high quality As can expected Brian model exceptional Surprisingly 176 Model Aviation r Rk MFG OF NI STARTER $2995 Charger PLEASE SPECIFY WHICH CHARGER WHEN ORDERING TORK-STARTER revolutionary concept power 15V glow plugs model cars boats air planes using glow fuel engines TORK-STARTERITMI has steel wrench strong enough reduce compression easier starting ft supplies power vhII dolag comes new CIlO charger has LEO indicate unit charging also has removable T handle can used Torque amplifier Over 50 consecutive starts full charge rechargeable hundreds times Clips Onto plug positive connection Send ad along pre-paymens receive free shiooino handlino 12721 HASKELL LANE BOWIE MARYLAND 20716 L STICK&TISSUEMODELSFOAM SCALE ARE GREATMODELS new sheet foam bailds easier-Peanuts difference youll enloyat& Up lowest cost Several scale de signs available antique des sic warbirds 6 homebuilts Send $1O0forlatestplanslistfoam-samples discount coupon etcflex 652AM GETAFREECO-2MOTORSt CreSt Falls SW 54024 LMP 1000 LMP 1000 ultra light sport glider designed perform light heavy slope conditions Aileron elevator controls combined size weight airfoil makes ideal airspace limited kit includes quality balsa hardware rolled plans need glue covering radio Wing Span 41 Wing Area 275 sq Length 285 Flying Weight 1314 oz Wing Loading 6575 oz/sqft Two Channel Radio Mini Servos 250 MAH BATT $2500 includes shipping UPS COD cash money order CA ales tax Dealer Inquiries Invited LINDSEY MICRO PRODUCTS 160A N Fairview Ave Suite 104 Goleta CA 93117 y engines inside cowlings rge airplane 79-in wingspan Brian sd kept weight down 12 lb using special covering method banana oil ver light tissue topped off Humbrol aint Skip Masts Lockheed C-130 Hercules tracted maximum attention ights general disbelief trge four-engine model foam construc could kept under 6 kg FAI eight limit Models weighed first efore static judging super-accurate igital-readout scale Skips Herc reighed again after flight Bob Inderwoods Alcor re-weighing rocess meant bit fuel needed removed tanks certain f being under limit re-weighing somewhat irritating implied sus ected dishonesty part US am members Actually weighing f C-130 little less reviously perverse attitude also vident Skip lost bonus oints because engine quit about iidpoint second flight rule garding loss bonus isnt clear ngth time engines must operate i addition officials ruled Skip iould lose landing gear retraction nus Team Manager Dolly Wischer ar ied unjustified ints retraction returned after ard rule clarification regarding required ngth engine run should forthcoming Jean Rousseau France chose model subject push-pull twin-en ined Moynet 360 Jupiter prototype thich display nearby mu eum model balsa structure imost entirely covered thin alumi um sheet five airplanes ompetition metal exteriors Coin ound-curve sections glass poly ster resin Eleven servos used ontrol airplane destroyed entered near-vertical dive high Ititude long range serious crash f meet Conjecture cause tcluded radio link problems udible erratic throttle servo least ugine also suspected midair hanical failure structure Another uncommon French entry Colomban Cri Cri Cricket Charles Levy truly all-metal model built scale 1/24 other words slightly less half size prototype all-metal twin-engined aerobatic singleplace monoplane using tiny two-stroke en gines tuned pipes have seen airplanes action Oshkosh performing spectacular canopy-to-canopy maneuvers model powered pair OPS 40s hidden within dummy single cylinders all-metal twin weighing 599 kg 132 lb span 78 typical example model built up limit FM specifications Cliff Tacies 68-in-wingspan Bellanca Citabria smaller airplanes compete substitute crashed Spezio TuHoler model down graded flight realism because its small size made appear fly fast relative larger models Cliff made effort final flight slow airplane boost realism score smcothness increase low score four five Contestants given copies score sheets also permitted see sheets Only team managers permitted examine score sheets Dolly made handwritten copies flights keep fellows informed help improve low scores other World Championships score sheet dupli cates marked judges available contestants Paris organization fair communications second-rate respect French organizers excelled Score totals standings given out dinnertime evening including flight totals bonus well static scores couple Canadian entries particular interest four-engined deHav illand DH86B Rapide Express Steve Gray OS 20 engines 8-ft span another models built maximum allowable weight 30% bonus applied Steve secondhighest flight meet very accom plished pilot ffies Canadian Spruce Goose regularly DH performed well near scale speed model execute chandelle properly maneuver reserved non-aerobatic aircraft Steves documentation sadly lacking reflected static score about 1000 points too low Added information could easily make DH winner other notable Canadian entry Graham Irelands Fokker F VIIA trimotor first weigh-in model found 4 oz overweight Graham immediately set work replacing its heavy wheels New 4-in-dia wheels turned balsa plywood disc center core using Continued page 180 November1984 177 ACK-U-VOLT Digital DC Voltmeter Kit 3 Dinit LEDAiuwjsne Con - 0-999 & 5-999 stes Case ttsck Andind noih toolsInpos & Clot CabIns NiCd 50tna batsns 55f Test could valuable item flight bos No need guess hatteries need charged Atno valuahle voltage monitor quick charging Simple build simple use 3 digits shows yoa what battery voltages somply psessing switch places load hat 4tery no question charge Special lens fitte makes easier read sunlight HOLD switch holds display input moved handy wish record values later 4sose Charge 45 5lma charger 4 T TAKE CNANCEOETANACK-U-VOLT belier product modeler H8N ELECTRONICSosn,nom 44 nurnrAuOn 5*300no coo FULL SIZE PLANS No 457 Spectra$ 700 RC Electric-power craft uses three different wings Soaring Aerobatics plain Sport flying Use 05-size motor 6-8 cells Dauntless$ 575 CL Profile Carrier 15-power events Two sheets Sky Pursuit $ 300 FF Old-Timer Rubber power 1932 Joe Ott-designed Spans 23 No 458 No 459 Na 182SUIutta ci Stunt model McDonald winner 1 9761980 1982 FAI World Champs$ 375 Na 228Ole Ralable AC 70 version 38 old-timer REM contrnls 1 9-25$ 425 Ne 239Blue Blade AC Ken Willards tormotino plane 4-channel 10-power$ 375 Na 262Creshasaxtar CL Crash-proof trainer two sizes1 5-30- 35-40-power$ 125 No 299Baa Bee Sr Speetatar AC A-scale hy Haffke 91 power Prototype upon 30ff Two-and-a-halt sheets$1175 Na 302MIat F16 AC Sarpolos 049 docted fan upon flier 2-channel Balsa wingo fail fuse structore$ 275 Ne 3101930 Flael BItilam AC Sport Scale 35-40 4-channel Wingspan 56 scale Two sheets$ 625 Na 314Drake t AC Ken Willards flying hoot 3-channel 15-power Fly fond removahle gear$ 375 Na 326Taytar Cab AC Don Srolrs Schoolyard-Scale 049o 2-3 channel Spans 50 in-$ 350 Ne 332Zepliyr AC Small 2-channel glider hand-launch tow thermal slope soaring$ 200 Ne 343Wasp VI FF Mike Stays Nuts-winning Outdoor l-ILG$ 100 Na 348Onaslap AC Trainer han very forgiving flying qualities Three-channel 1 0-25-power$ 425 Na 354Naityc AC Giant 155-In upon Sailplane ones 3 AC channels$ 750 Na 388Plecas PF Indoor Easy B Aubher-power contest-winner hy W Van Gorder$ 100 Na 362SaparciE AC Half-A Pylon Aacerlsport flier Aileron elevator Control Foam wing$ 2 00 Na 385Sasmialar AC Willards 40-size flying hoot f 4-channel Strap-on gear landplaeel Two sheets$1100 Ne 383Camate 82 AC Fly sloak Nats-winniog Sailplone AMA Mnd Std Unlimitnd classes$ 7 50 Na 386Laser 208 AC Sport Scale replica championship Aerohahc flier Uses 40 power 4-5 channel Two sheets$1 075 Na 383yeA Kialed KIag AC Aeduced modernized version 1036 design hA 0ld-Timer- 2 3-channel$ 450 Na 398Baa Baa R1 AC Haffkes latest A-scale spans 75 weighs 15th flies no90 larger Four sheets vs doc$2225 Na 389Zephyr 1100 AC AMA Class B Sailplane 3-channel AC gear$ 675 Na 403Cab Flaatplaae AC Sport Scale 049-1 0-size engines 4-channel AC J-3 floats isa classic$ 650 No 4688a-Velt8n AC elechicpewer sport flier 2-channel 05 mat or$ 650 Na 416Peber Plate AC Scale famous EAA plane 40-power 4-channel Build upon Precision two sheets PIUs doc$1 300 Ne 412Masqatta AC Spon Plane twin uses 10 engines 4-channel AC$ 825 Na 414ElectrIc Sparky AC electdc-pnweredfunflierfor 05 motor 3-channel AC scaled up 1939 rubher-power favorite$ 850 Na 415Nawkar Ituretemee Uk AC Electric-power Sport Scale tori S motor 3-4 channels Two sheets$1175 Na 420Rack 666 FF Competition Class orOfor 1 0-21 power Has variotrle-incidenco fail VIT$ 600 Na 422Scuter AC Two-Meter Sailplane has won Nats event 19821963 plus other contests$ 550 Na 423Cloud Crutaer-2 AC Old-Timer takes 60-power 3-channel AC Two-piece wing option easy transport Two sheets61275 Ne 424Bead Tent FF Embryo Endursoce robber-power float plane has opt losal whools stick-and-f issue delight$ 200 Ne 428ChIal CBpper AC Fatrulous 74-in-span Sport Scale flylflg hoot four 10-size engines 4-channel Three sheets doc 62000 Na 427Prilia PP Travelair Mystery Ship Miss Los Angeles profile all-balsa rubber models sport flyiog 1 7-in-spas$ 200 No429Deer EZ CL Old-Timer Stoat hiplane has profile fuselage uses 25 engine$ 400 No430kanakle AC Zippy little sportster 1 0-1 5 power 3-channel AC$ 400 Ne 431Lackhaad P38 AC Fan-scale twin-1 5-flier f 4-channels Two sheets61300 No432Phuato CL Updated Thunderhird-style Stuofer 35-40 evolves$ 575 Na 433Walls Up AC Electric-powered glider 2-3 channels 035 motor spans 52 0 No434Sly SIr CL IsA foam-wing Combut ship won 83 Nuts Use TO 049-051 power$ 350 No435ThIs N ThaE AC Aerohatic hiplane 40 engineo 4-channels Great spon flying$ 650 No437Klegflaher CL Profile Carrier plane spans 40/s uses 35 engine$ 600 No438CruIser PP Embryo Endurance mhber-power fun ship has trig-model characterishcs$ 200 Na 439Oasperadrc AC flying wing unique negative dihedral flies 4 channels 1 9-40 power Foam wing 50 Ne 446Caesar AC Old-Timer-like new design has huge wing slow easy flights 35 power 3 channels Two sheets$1725 No441NIt WII PF Hot small lightweight campeotion ship far 15 power try designer Harry Murphy$ 475 No 442Lazy Duck AC Big canard sport flier InA-09 power 2 channelo Uses loam heard parts$ 650 No443Turbo Pertar CL Scale 25 power Simple lines oasy truildiog Two sheets $ 675 No 444Flrabelt AC pusher canard sportlpattern uses 40 pusher engine 4-channel Has swept-forward foam wings$ 650 Ne 445Nesarttlr Cougar CL Scale model popular homehuilt won Nats Uses 21 engine speos 41 in$ 925 Ne 448La Crete AC Electric-powered upon flier tar 05 motors 3-channels Two versious parasol colon$ 550 No447A Mtee AmerIca AC Old-Timer /sA Texaco model 049 glow 2-channels 0 Na 448Screamts Eaglet AC Partial plan modifying Goidhengs Eaglet kit hotter aerotraucs$ 400 No449Saflue CL Sportitunt plane 40-size 4-stroke engine builds fast easy$ 600 Na 450Icy Boy 74 FF CO-2 power flies 24-in-span replica tomees 1948 long-failed compehhon ship$ 200 No451ElI Blptaea Sealer AC Redesign sleek 1937FF triplane 3-4 channels 29-40 power Two uheets61175 No452Baa Bee L AC Doarter-scale spans 71 in. uses 90 power Four sheets61600 No453Smoefttle Profile CL Profile rendition Botr Palmurs super-Stunter early Fithen 35 power$ 550 No 454Sweet P30 PP Neat shck-and-hsaue Outdoor Aatrtrer P-30-class model contest-winner$ 200 No455lAster Malpa CL Big Scale model famoan air racer spans SB iv onus 60 pewer Two sheets$1 375 No45818-Tech 20111 AC Dacted-fan fufaristic-looking canard fur 25-size engines Built-up conutruchon Three sheets61175 Circle numbers plans wish order 193225239 993023103143263321 343348354358362365383386393398 399403408410412414415420422423j 424426427429430431432433434435 437438439440441 442443444445446 447448449450451452453454455458 I I I NAMEI II STREETI II oms II STATE _______________________ ZIP _______________________ II I 457458459 Prtce includes fIrst-class postage within US Fir aNita intslim Its US. please add $250 Air Mail 5125 surface mail Make check money order payable US funds Model Aviation AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivefy Please print carefully Enclosed _____________________________________ electric drill lathe painted wheels looked bit good rubber-tired rejects Weight model reduced just under 6 kg substitution ever lack resiliency new wheels caused nose-over takeoff Graham didnt complete flight compound difficulties nacelle fuel tanks leaked model excellent quality having dummy engine cylinders cast polyester resin wing completely covered varnished birch veneer original Engines Enya 40 four stroke Incomplete documentation kept Grahams static score quite low success formula FAI RC Scale contests appears model built large possible four-stroke multi-engines weight near top limit Twenty 40 RC entries weighed near 6 kg Three mod els actually over limit indicating desire build right up limit possibly lack accurate scale pre-weighing four-stroke engine has advantage provided properly cooled can swing large diameter efficient propeller sound fourstroke compared two-stroke must surely influence reaction judges Forty entries seems limit can handled single crew five judges future can certainly expect entrants required extra judges will add financial burden organizers Look increased entry fees Judges would prefer several threeview drawings presented avoid con gestion around drawing shorten judging time Insufficient documentation problem some oontestants par ticularly attending first World Championships flown Stand-off events previ ously documentation presented book form data seen disas sembled judges could pass photos around Printed information al oompletely useless judges will take time read anything Near end static judging observed time required plane reduced 20 minutes com pared over half-hour earlier Being judged last advantages Judges viewed top both sides front bottom looked unpainted wheel-well inte roors Because judges touched models may reason change rule specify judges may approach within meter nearest part model Judges seen hold color cards directly against models surfaces intended happen- present rules formulated As mod els judged Paris change previous FAI judging seemed absence actual measurements scale rulers Except shortening time near end static judging models received same treatment 180 Model Aviation 0 0 C --0 cJ 0 CJ 0 C 60 zoo ci 0 -C 0 -- Co ci 00 o -- no -V - Os a -Q 80 C no4 C -V oaoa ea us oak -U no Cc o 00 El1 ow 00 c Os 0 SC S