At umnist takes us Byron Blakeslee 0 Sailpianes Come along ride Toledo through thermals years resident Soaring col Toledo Expo Top The usual zoo Toledo helium balloon being flown designer/builder George Steiner Its two tiny electric motors pivot move balloon direction Left Designer Mike Pratt proudly hoids new Sig Riser 100 Standard Ciass version 2-meter Riser well suited Soaring trainer Right Rol Klingberg holds flying wing Gary Anderson American Sailplane Designs looks 38 Model Aviation THE FOURTEENTH running ledo RC Exposition held April 8-10 Sports Center Again weather quite nice Stories about terrible Toledo weather always Attendance very heavy crowds appeared about same last years record Judg ing eager lookers RC indus try very much alive well Modelers go Toledo spring find out whats new general RC show phases activity repre sented manufacturer distributor displays powered aircraft Pattern sport Scale planes represented biggest part RC cars second boats third Strangely anyway Id guess Sailplanes Helicopters about tied fourth find peculiar because owing number Sailplane kits sold number Soaring clubs country would think number Sailplane ven dors would rank higher Could just buy fewer companies As what new Sailplanes Bob Sealys 129-in Ultima Klingberg 78-in Flying Wing completely new kits new Sig Riser 100 enlarge ment Two Meter ship Gold bergs new Sophisticated Lady develop ment ubiquitous Gentle Lady Most excitement show year centered around announcement new microprocessor computer chip radios Airtronics Futaba ra dios along JR Galaxy Multi plex Royal already mar ket will surely radios future sophisticated Sailplanes list should added microprocessor conversions Emulation Electronics Control Systems Laboratories com panies sell replacement encoder circuits will convert older radios say Futaba Conquest equivalent $1000 ra dio beauty new computer radios can buy generic aircraft set opposed helicopter custom program specialized Sail plane tricks desire can mix rud der ailerons elevator flaps flaps ailerons etc Basically can mix anything anything else lend some coherence presenta tion Ill divide three parts Part 1 will cover new radios Part 2 will Sailplanes Part 3 will discuss thing else Before getting what saw trend thats becoming important Id like mention consideration growing interest Sailplanes launched electric motors No Im talking about electric winches mean electric mo tors propellers isnt new youre thinking may subtle difference past Electric planes just Electric planes idea now coming around using motor get plane up can soar extra weight motor system has often found help rather hindrance soaring Modern August 1988 39 Frank Heinrich Robbe Model Sport shows off new 137-in-span ASW-24 Scale Sailplane features unbreakable plastic fuselage balsa-covered foam wings gorgeous model should terrific flier Steve Helms shows us Futabas new PCM 1024 Computer Series 9-channel transmit ter system has real time response stepless servo action Available midsummer Bob Henaud witfl tne prototype ot Alrtron Ics new microprocessor transmitter system should available later sum mer will list $500 four servos Mr SR Batteries himself Larry Sribnick addition extensive line batteries Larry now handling chargers motors kinds essential Electric flight items winning model Sailplane competition 168-in-span Pterasaur built Mike Kummerow second year row Mike has taken home trophy Congrats Left Bob Sealy holds new 129-in fiberglass Ultima Should great model looking get competition See text what Bob up Right Susie Lipp Windsong took 3rd Sailplane competition winning new Airtronics radio Left Theres good chance Bob Banka can provide scale documentation need Call Scale Model Research 714 979-805 find out Right Top Flites Scott Christensen displays Phasoar 60-in Electric Astro 035 Cobalt Look new kit very near future Sailpianes moving faster-strongerheavier philosophy anyway Purists will nat urally insist pure Sailplane fliers cant locate field big enough winch hi-start electric motor launching makes lot sense Id happy hear what readers think about can kick around regular monthly RC Soaring column Radios Airtronics big news new yet unnamed six-channel microprocessor PCM set will list $500 four ser vos Sanwa Japan will make exclu sively Airtronics should out about midsummer will have capabil ity mixing three channels other three can get mixing flap erons spoilerons elevons V-tail elevator flaps rudder ailerons etc can get elevator preset trim aileron dif ferential both flaperon spoileron modes has other usual features like dual rate adjustment adjustable exponential rate tied dual rate end point adjust ment channels built-in voltage regulation Airtronics recently introduced new Spectra PCM seven-channel Quantum PCM eight-channel radios very good sets listing $600 $800 re spectively puts above new sixchannel computer radio may adaptable Sailplanes guess can tell Im anxious try new six-channel set Futaba showed new nine-channel 1024 PCM/PPM microprocessor radio should available midsummer will mix four channels other four can programmed up six indi vidual planes fly six planes transmitter just tell plane want fly computers memory will recall trim settings partic ular transmitter programmed press ing buttons bottom front case large LCD display window shows graphic representation Pattern plane guess can live help show whats happening set has rest modem conveniences could expected top-of-the-line radio like will list $1000 four ser vos JR Propo showed extensive line ra dios including microprocessorcontrolled Galaxy Computer 8 set has available about year has re ceived excellent comments fliers have flown eight-channel set will mix four channels including flaperons V-tail can store trim data seven different planes As usual Galaxy 8 available Pattern Helicop ter versionsthe Pattern set selling $57999 four servos direct Cir cus Hobbies latest news JR Propo now ing handled Hobby Dynamics dis tributor local dealers JR company Japan Remote Control very large fac tor worldwide RC sales hasnt pene trated US market mail order sell ing much might have local dealers JR makes extremely sophisticated radios Graupner Germany radios made Graupners specifications normal European frequency spacing receivers can cope transmissions just 10kHz apart Consequently JR should 40 Model Aviation U Left Alan Berg L Michael Anderson Matrix Enterprises can provide case safeguard Vour models other items Right Stuart Pearce Jack Nunn representing Yorkshire Enterprises Canada model 100-ln-span Garth made Saliplanes International Left Three League Silent Flights new officers L-R VP Ray Hayes Treasurer Susie Lipp President Bob Steele Theyre ded icated revitalizing LSF want hear Right John Foltu JM Glascraft D version popular Penetrator Slope shIp have no trouble Us 1991 specs call ing RC frequencies 20kHz apart commercial users sandwiched betweenso effectively need 10kHz protection wonder JR Propo will bring some Graupner sets sale Likely will expensive have features gung-ho F3B flier could possibly hope Emulation Electronics Perhaps saw three-part article RC Modeler called Hi Tech Encoder written brothers Martin Tom Hendrickson Tim Ahrens about converting AM FM PPM transmitter use Moto rola microprocessor chip encoding Hendricksons have now gone produc tion selling complete printed cir cuit encoder board do-it-yourself model ers want very sophisticated radio reasonable price Basically what throw away everything inside transmitter except RF section wire up brothers 3 x 45-in PC board board designed drop Futaba Conquest can eas ily adapted other transmitters will work four- eight-channel radios can mix five channels can store data four planes Hendricksons have incorporated unique feature design called autotrim way works Assume flying along holding up-trim keep plane diving autotrim need press hold button computer will gradually like Continued page 131 August 1988 41 Larry King displays new Sophisticated Lady Carl Goldberg Models two-meter ship update wing same companys highly successful Gentle Lady Safety/Preston Continued page 22 either kites model airplanes near airports kite question reported glider-type kite 12-ft wingspan being flown 200-lb-test nylon line about two miles Palo Alto CA airport An eight-year-old girl flying kite father Rockwell Turbo Commander re ported flying altitude 800 ft snagged line newspaper reported girl dragged about 100 ftover fathers head almost tree before let go line Fortunately seri ously injured may freak accident Ive never before heard full-scale aircraft snagging kite string am using story stress im portance avoiding model flying areas low-flying full-scale aircraft may encoun tered FAAs Model Aircraft Operating Standards state fly higher 400 ft above surface operate closer three miles boundary airport unless permitted appropriate air traffic control facility airport manager Have safe month Taylorcraft/Shepherd Continued page 37 One-off fiberglass cowlings can made using styrofoam mold two coats one-hour epoxy shown ouflines plan prefer purchase yours high-quality cowls available Fiber glass Master Dept MA Rt 1 Box 530 Goodview VA 24095 Telephone 1-703890-6017 Both T-Craft models given polyure thane finishes good results clipped-wing version used Pactra Tropic Blue Dark Blue doctoring Sil ver Metallic get right shade stan dard model successfully finished Red Devil gloss spray cans Since know no hobby outlet source paint purchased local lumberyard cabins both models finished fair degree realism want go whole nine yards detailing cabin interior follow basic scale ratio two inches foot dual project brought lot en joyment Im confident will same whether build clippedwing standard version both Toledo/Blakeslee Continued page 41 three seconds reset elevator neutral trim spot holding Isnt science wonderful Trim pots can still used also Programming done button lights mounted right PC board Hi Tech Encoder available directly Hendricksons $175 plus $5 ship ping Address 2206 5 Lynn Urbana IL 61801 telephone 217 344-8740 Sailpianes Ace RC Bad news Im afraid Ace planning come out Leon Kincaids three-meter Scooter season cause expanding plant will de layed until later Scooter should kit worth waiting stay tuned Airtronics Sailplane line continues Oly 600 Oly II Sagitta Cumic Cumic Plus latest kit Two Meter Electric called Eclipse has allbuilt-up construction three-piece wing comes two kit versions stan dard deluxe latter includes motor 31 gear reducer folding propeller cluding whole works except motor Ni-Cd pack charger good idea cause beginners neednt worry about match ing components Tim Renaud working new Sail plane called Image will wood 100-in-span three-piece wing ailerons niche plane like believe fliers want step up Oly II try ailerons dont want go straight expensive glass/foam kits Image probably wont available until Christmastime Continued page 132 August 1988 131 fill Y16-in balsa sanded fair wire Cover landing gear finish nitrate dope SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049 051S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS & GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES ALSO COMPLETE LINE OF RACING PARTS - GLO-BEE FIREBALL & K&B PLUGS SOLID LINES RACING WHEELS QWCK FILLS ETC WE ALSO STOCK CARBON FIBER KLOTZ OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP RUBBER BANDS KSB SEELIG & IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS EVERYTHING YOU NEED FOR OLD TIMER EVENTS 132 Model Aviation American Sailplane Designs Gary Ander son San Diego proprietor company its aim source US-made Sailpianes especially unusual ones Soaring accessories Toledo Gary featuring Kling berg Wing really neat 78-in-span flying wing all-built-up construction selling like hot cakes $3995 story designer wing Rol Klingberg aerodynamicist living Sunnyvale CA working continuations Horten brothers flying wing theories purpose de sign 38-ft -span foot-launched pilotcarrying wing no vertical surfaces ing prudent person Rol built RC model make sure wing flew much interest modelers wing Rol decided produce kit Several hundred Klingberg Wing kits have sold Rol said con tinually amazed eager response Sailplaners can get mail American Sailplane Designs 2626 Coro nado Ave #89 San Diego CA 92154 tele phone 619 429-8281 youre send $300 Gary will forward com plete catalog feel up largest Scale Sailplane can buy Gary produc ing -scale ASW-20 kit form erly made Mark Smith big five meters wingspan 16 pounds weight Gary also has source obechi wing skin wood may come about 50 per sq ft can place large enough order Check Gary need some Bob Martin news will back Duralene fuselage production summer famous Coyote SR-7 slope ships will available again end summer should brand new Katie II also unbreakable Duralene fuselage should good ship trodiicing beginners wonderful world Slope Soaring plastic fuselages ideal slope planes because ten have contend rocks other un pleasantness landings Duralene about indestructible baseball bat can bounce off boulders oaly smudge show Bob also plans get clas sic Hobie Hawk back production Christmas will bring back memories lot us Bob Sealy Quality Fiberglass Bobs new 129-in-span Ultima design really beau ty should popular contest fliers has Bobs usual high quality epoxy/glass fuselage incorporates very practical slip-on nose cone fuselage made two halves has slip joint just behind wing builder needs glue parts gether fill joint will require bit work usual fuselage should safer shipment balsasheeted foam wing uses Selig 4061 airfoil three pieces center section flat bolts atop fuselage single 1420 nylon screw center has spruceand-ply box spar Bob says part bul let proof tip sections plug center panel using A-in steel joiner rods tip planform has trendy double taper leading edge sweepback allflying T-tail stabilizer screw-attached rocking mechanism atop fin Stabilizer drive via steel cable nylon tube Dry weight about 80 oz 1254 sq wing dry loading 92 oz per sq ft Bob has prototype set up using three servos coupled aileron rudder eleva tor flaps Ailerons driven bellcranks fuselage bellcranks end center section Fliers hightech radios could easily install separate ser vos aileron another rud der butterfly flaps down aile rons up could used landings Bobs factory-direct price complete kit cluding wood $18900 Bobs booth also included Javelin fly ing wing has no vertical surfaces kit sells $3900 big crosscountry kit Constellation really stood out too has 167-in span also uses Selig 4061 airfoil section wing balsa-covered foam incorporates both flaps spoilers nice fiberglass fu selage price $22750 ship becoming very popular X-C fliers Bob says will moving Nashville soon will concentrating kit manu facturing expects cut back sub stantial array epoxy-glass fuselages has making can reach Bob 521 96th Lane NE Blame MN 55434 tele phone 612 780-2737 Carl Goldberg Models Sophisticated Lady new plane CG Its heritage Gentle Lady similar wing everything else new has T-tail beefed up widened fuselage clear canopy detailed cockpit pilot overall effect sexy looking Two Meter ship thats sure appeal buy ers looking realistic looking trainer Also available Electric power pod bands above wing on/off servo switch pod battery goes inside fuselage So phisticated Lady priced $5499 power pod $3999 CG has taken over distribution Model Magic Filler Epoxy Plus both excellent products probably will find greater modeler acceptance Goldberg name behind Magic Filler creamy spackle good filling small holes making fillets sands nicely quite strong Epoxy Plus filled two-part white epoxy 25% lighter flexible regular epoxy adhesives can used just about application would use epoxy can sanded carved easier Pot life 8 mm being filled tends stay put Both products worth try Davey Systems Ted Davey started kit manOUR REV-UP INVENTORY AVERAGES OVER 9000 PROPS I! CALL FOR IMMEDIATE SHIPMENT ON VISA OR MASTERCARD ORDER BY MAIL OR PHONE 619728-4365 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRES INVITED MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 ORflFfl UIDDCfl IAIITUIAI 24 HOURS 6% TAX have long liked heavier faster efficient Sailplanes typical kit has fiberglass plastic fuselage balsaor obechi-covered foam wings aile rons very good slope flying boot fliers finding extra weight isnt detriment thermal flying planes allowed use higher cruis ing speed cover sky find lift Further though planes flying faster efficiency allows sink slowly slowly floater Consequently starting same launch height zero-lift air heavy Sail plane could well have longer flight times Dynaflite combination Mark Smiththan lightweight ship Models Craft Air Jemco Mark Jim especially enthused about new person did have new Sail-electric motor unit Graupner has planes What newsworthy numberbelt reducer shaft extension folding prop oldies goodies Mark still hasand spinner can use eight 12 available growing interest Vin-cells power unit less battery sells tage RC Gliders say pre-1975 Dyna-for $6900 Jim says unit flute catalog contains Marks original Wind-new Graupner ASW-22B will ideal free Tom Williams Windrifter Davewill launch p ane twice Thornbergs Bird Time bit mod-charge over winch launch height ex em Blame Rawdons Mirage Dicktra weight doesnt harm performance Odles RO-8 kits have lot ofcause plane flies best ballast anynostalgia themway free catalog available HL Dynaflite selling almost-ready-to-flywriting 5614 Franldin Pike Cir ARF Wanderers Piece 0 Cakes Acle Brentwood TN 37027 telephone 615 clever idea POC instructions373-1444 Wait until see ne showing kids take motor ra-Graupner four-meter Grob Twin Acro dio correct frequency theirScale Sailplane What beautyand electric-powered car install same the$83500 glider just slap propeller go flying Dynaflites address PO Box 1011 San Marcos CA 92069 telephone 619 744-9605 Hobby Lobbys Jim Martin guy really excited about electric-motor launch ing Sailplanes Jim imports Graup ner line Sailplanes accessories familiar what happening Eu rope especially Germany Germans Hobby Shack imports lot ARF planes few Gliders Electrics New year 72-in-span Elec 1800 EZ Company Japan comes com plete motor gear drive prop $18000 Just drop radio seven-cell pack go flying Fly does said John Lupperger another example weight speed compete effec tively traditional floaters ufacturing Sailpianes has now grown big line power kits Sail plane kits remain Prophet Two Meter 100-in sizes 15-meter Ariel hand launching slope thermal fly ing Ted says still has some neat lit tle Sport Winches hand minia ture winches use motorcycle battery Its just ticket need carry equipment long way complete set cluding line parachute turnaround $23495 plus UPS address Davey Systems 675 Tower Lane West Chester PA 19380 telephone 215 430-8645 JM Glasscrafts John Foitu says beauti ful little 48-in-span Penetrator selling like crazy especially California semiscale P-s 1 glass/foam kit dynamite slope horrors glow engine year its D ver sion ie clear canopy instead fastback Its really pretty basic kit $5400 plus $400 D version de luxe kit includes wood hardware $7650 plus $4 D Add $300 shipping want something especially cute about five-eights-size Penetrator called Pee Wee Penetrator has 28in span John says flies great Need less say micro-size radio components required fit nicely basic deluxe kits $3800 $5250 respectively postpaid Contact John 30820 Mayflower Roseville MI 48066 telephone 313 773-7069 Model Engineering Norwalk 14EN Jerry Jarvis Sailplane kit Gob bler won F3B World Champion ship Dwight Holly 1981 Technology has course advanced since Gobbler would still fine club Divi sion II under 12 oz/sq ft wing loading F3B competition MEN source high quality mandrelformed extruded hi-start rubber Jerry has 100-ft lengths light %2 $3895 medium /t6 $4110 heavy % $5770 super heavy 34 $8190 approximate pounds pull size 200% stretch double un stretched length 7 9 12 17 respec tively Jerry has developed some neat acces sories hi-starts especially like gad get slips ends rubber provide ring swivel Costs $300 worth MENs address 54 Chestnut Hill Norwalk CT 06851 134 Model Aviation MODELERS FIGHT-BACK / TRUE-FACTS NEWSLETTER Tired being ignored editors Fed up never having questions answered EIGHT BACK Join us letter year reader written publication open letter communication between fellow medelers RIC infreeflight good thing NATS east Mississippi Noise limits models flying Sites What fair insurance what risks ALL LETTERS PUBLISHED $300 recieve copy $550 pub letter & copy $1950 4 issues & letters 1 yr Quarterly July OctJsn.April THE PTERANODON PRESS PO Box 3sss OAKLAND CA 54t59 SBus CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get prolected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises 2540 RIDGE ROAD LANSING ILLINOIS 60438 P S Send catalog modelers safely supplies ifi-TECH ENCODER microprocessor based encoder board designed replace encoder board Futaba Conquest Ace Silver Seven transmitters compatible other AM FM radios market FEATURES complete calibration system trimpots stores calibration constants four aircraft maintained during power off can mix firat five channels other first five channels inS variety configurations exponential trim five strengths mixing expo trim can tamed off duristg flight control trim thronle cut-off dual-rates servo reversing outputs four eight channels POWER REQUiREMENTS 32ma @ 96vdc SIZE 3 x45 x75 inches SEND $400 installation operation manual oaly $17500 completely assembled tested encoder installation operation manual Please stare transmitter model nuntber channels Add $500 shipping handling EMULATION ELECTRONICS 2206 S Lynn Urbana 1L61801 217344-8740or217-4897647 IIAVEYYSTEMS Luci lER 075 HYPERIHRUSI motor fused switch harness propeller adaptor 8/ 4 fibreglass propeller LUCIFER has computeroptimized E-193 airfoil superb L/D tremendous speed range ideally suited fliers because its inherent stability enough flat-bottom wingSIZED TO FL floaters barely stagger up a____________________ couple hundred feet Build LUCIFER enjoy performance thQt expectl Big enough fly like sailplane should small enough repeatedly climb Pin-Head altitude battery charge Pre-cut fuselage sides accurate die machine cut selected woods complete rolled plans hardware detailed instructions piece wing spruce spars strength simplicity building IIAVEY YSTEMS i oRPoRATION Special Combo Price 675 TOWER LANE WEST CHESTER PA 19380 215-430-8645 Robbe Modelisport keeping German tradition big beautiful Scale Sailpianes Robbes latest offering 35meter 137-in ASW-24 full-size Schleicher Standard Class 15-meter span ship has just come market 24 features latest double-trapezoid wing geometry ie double sweepback tip leading edges model employs F3B-proven Quabeck HQ-30113 airfoil should give excellent performance wide speed range fuselage made unbreakable Plura molded white plastic foam wings tail balsa covered need cover balsa parts install radio kit $27995 may first sound like lot consider scores hours work kit like saves price actually quite reasonable Also hav ing everything factory made ensures ac curate machineand will fly cor rectly Incidentally Sailplanes can launched electric motor Robbe sells 10-cell electric flight set plane Robbe Germanys large full-line model manufacturers addition glid ers make power planes cars boats kinds accessories catalog veritable bonanza gorgeous toys Id recommend sending $600 Robbe get full catalog Address 180 Town ship Line Rd Belle Mead NJ 08502 buy over $50 worth products $6 deducted way Frank Heinrich Robbes US manager told Robbe factory near Fulda often go over Wasserkuppe test Sailplanes Howd like work Sig Mfg Co Mike Pratt has enlarged Sigs Two Meter Riser nice looking 100-inspan Sailplane said very easy build aimed beginner inter mediate flier Riser 100 should prove popular maln kit category now venerable Oly II has Lite Ply fuse lage sides Eppler 205 airfoil two-piece wing optional though highly recom mended spoilers space stan dard size servos beginner ser vos come sets could start Riser 100 having buy mini servos Riser 100 lists $5995 Also featured Sig both new Easy Hinges such simple looking items easy overlookbut terrific 12 thousandths inch thick Mylar special wicking coat install just cut thin slot surface say rudder fin assemble surfaces hinges place put drop two thin cyanoacrylate glue CyA both sides hinge CyA wicks balsa its impossible pull out hinges After CyA has hardened just wiggle surfaces CyA ex posed part hinge pops off make neat tidy sell $295 24 Top Flite Sailplane kits remain 56-in Wristocrat Two Meter Metric 100-inspan Antares Scott Christenson anticipates kitting Astro Cobalt 035-powered Pha soar soon Its wing similar Wristo crat fuselage tail different ought just ticket getting few flights during lunch hour Yorkshire Enterprises Canada North American agent Sailplanes International British Sailplane kit man ufacturer SI has line about 10 Gliders especially nice slope planes can ar range Stuart Pearce have SI kit shipped direct Britain ex ample 100-in -span Garth shown photo Stu Jack Nunn will come over about $14500 Stuart can probably help obtain other goodies Britain Contact him 40 Holgate St Barrie Ont Canada [AN 2T7 tele phone 207 726-6208 Other Exhibitors Kraft Midwest youre like still rely old Kraft radios youll want know Pete Waters specializes Kraft parts service Hell also repair con vert other brands Petes address 117 East Main Northville MI 48167 tele phone 313 348-0085 LSF NSS League Silent Flight Continued page 139 August 1988 135 THE WORLD IS FLYING 1N RED DEER IN 1988 AUGUST 1 13th ORLD CHAMPIONSHIP AND YOU CAN BE PART OF THIS WORLD CLASS EVENT BY OWNING YOUR OWN SET OF OFFICIAL COMMEMORATIVE PINS POPULAR AVIATION ARTIST JOHN P FERGUSON HAS DESIGNED SEVEN PINS EXCLUSIVELY FOR WAC 88 DEPICTING THE OFFICIAL LOGO AND SIX COMPETING COUNTRIES THIS BEAUTIFUL FRAMED SET CAN BE YOURS FOR ONLY US $4995 AS UONUS EACH ORDER WILL RECEIVE THREE ADDITIONAL COLLECTOR PINS FROM THE INTERNATIONAL FESTIVAL OF FLIGHT THESE FULL COLOR CLOISONNE PINS ARE OF SUCH HIGH QUALITY THAT WE ABSOLUTELY GUARANTEE YOUR SATISFACTION OR YOUR MONEY BACK Ehe authorized WAC88 pins available HOW TO ORDER SEND MO VISA MASTER CARD OR AMERICAN EXPRESS TT cRESTWOOD EMBLEMS PO BOX BOBS STN C EDMONTON ALBERTA CANADA T5B 4K6 US$4995 FOR EACH SET PLUS US$300 FOR POSTAGE AND HANDLING Toledo/Blakeslee Continued page 135 Ehe National Soaring Society again shared booth LSF just elec tion new officers hand President Bob Steele VP Ray Hayes Secre tary Jim Martin Treasurer Susie Lipp Representing NSS President Pete Carr DistricE Ill VP Ed Lightcap Sailplane community indeed fortu nate have such capable people serving both organizations group has exciting plans make Soaring bigger better us keep name LSF mailing list send card PO Box 647 Mundelein IL 60060 Bob Steeles address 10173 St Joe Rd Ft Wayne IN 46835 telephone 219 485-1145 youd like NSS info write Pete Carr 329 Little Ave Ridgeway PA 15053 telephone 814 772-4851 Magazines American model maga zines hand plus two British pub lishers Since probably already know about American ones Ill just say few words about British mags Argus Specialist Publications puts out two magazines interest Sailplaners Ra dio Control Models Electronics Ra dio Modeler used available through AMA just read ar rangement being dropped So now well have send checks directly Argus PO Box 35 Wolsey House Wolsey Road Hemel Hempstead Hertfordshire HP2 4SS England RM $3000 per year RCM&E $3100 Radio Control Model World easier deal because Traplet Publications has US office RCMW joy read maialy because Soaring column writ ten Sean Walbankalso White Sheet newsletter fame Sean corresponds about half Soaring clubs world material covers wide range ledo Special price $3000 per year tell BB sent shoald OK Write Traplet Distribution USA 1635 Wade Dr Paso Robles CA 93446 telephone 805 239-0997 Scale Model Research Bob Banka busy one-armed paper hanger selling Foto-Paaks Scale interest surging color pictures need finishing documentation Foto-Paaks contain 10 28 color shots air plane particular type Bob has Paaks 57 different Sailplanes 19 motor glid ers adding new ones time its good inquire hearts desire availableor coming SMRs address 2334 Ticonderoga Way Costa Mesa CA 92626 telephone 714 979-8058 Space Case easy-to-remember name line plastic cases can custom designed hold protect thing transmitters complete planes Space Cases also popular RC car crowd power fliers railroad ers 1987 US F3B Team used Space Cases planes winches other stuff Everything went Germany back fine shape Suggest contact Ma trix Enterprises 7015 Carroll Rd San Diego CA 92121 telephone 619 4509509 SR Batteries Larry Sribnick guy can supply nickel-cadmium pack might needbe transmitter re ceiver electric motor something else SR first offer high capacity packs will still custom make sort pack specifications Cells packs guaranteed form memory Larry says response customer demand single source batteries accessor ies now stocking high quality charg ers connectors motors hookup wire etc good service because beginners experts too often confused about batteries chargers full info send 45C pre-addressed return envelope SR Box 287 Bellport NY 11713 telephone 516 286-0079 Sailplane static competition seven Sailplanes enteredand two powered Come Sailplaners Lets show em beauties next year Mark Kummerow Chicago won second straight yearboth years flying wings Last year 200-in Ultra saur year 168-in PetraSaur inspiration both plane Gene Dees Icarosaur specs PetraSaur 168 span 11 chord 2070 sq area E-174/HQ 0010 airfoils 29 sweep 50 washout 10 dihe dral 15 winglet span 514 chord 80 sq area NACA 0009 airfoil 10 lb weight three channels controlling elevons flaps Construction foam carbon fiber balsa plywood spruce Ultracote MonoKote EconoKote Well done Mark Howd Ultrasaur go Second place went Troy Lawickis nicely finished Fiesta Multiplex kit third place new LSF trea surer Susie Lipp beautiful Windsong Susies ship has over 100 flights it looks better new ones Cant stand Radio Technique/Myers Continued page 43 SD 57013 605/987-5924 basic thing know about TRC Fast Charger thao monitors rate-of-change voltage pack being charged shuts off 1 detects quick voltage rise typical siEuatlon pack fully charged gas bubbles starting form 2 detects quick voltage drop typical fully charged cell going overcharge Because uses voltage-change monitoring does depend measuring absolute voltage TRC Fast Charger doesnt care cells pack same reason will fully charge cells old have high resistance certain cells havent charged couple months Try slow charging scrap have early model TRC Fast Charger can fooled shutting off before pack fully charged An easy way fool charger move around battery leads during charging session start prob ing around circuit voltmeter either procedures will cause enough change contact resistance present itself voltagechange monitoring circuit abrupt voltage rise drop Charging stops automatically Later models have desensitized ignore abrupt voltage changes Actually prefer charger shut off too soon action causes undercharging easily rectified Assuming know pack being charged exhausted know nominal capacity cell August 1988 139
Edition: Model Aviation - 1988/08
Page Numbers: 38, 39, 40, 41, 131, 132, 134, 135, 139
At umnist takes us Byron Blakeslee 0 Sailpianes Come along ride Toledo through thermals years resident Soaring col Toledo Expo Top The usual zoo Toledo helium balloon being flown designer/builder George Steiner Its two tiny electric motors pivot move balloon direction Left Designer Mike Pratt proudly hoids new Sig Riser 100 Standard Ciass version 2-meter Riser well suited Soaring trainer Right Rol Klingberg holds flying wing Gary Anderson American Sailplane Designs looks 38 Model Aviation THE FOURTEENTH running ledo RC Exposition held April 8-10 Sports Center Again weather quite nice Stories about terrible Toledo weather always Attendance very heavy crowds appeared about same last years record Judg ing eager lookers RC indus try very much alive well Modelers go Toledo spring find out whats new general RC show phases activity repre sented manufacturer distributor displays powered aircraft Pattern sport Scale planes represented biggest part RC cars second boats third Strangely anyway Id guess Sailplanes Helicopters about tied fourth find peculiar because owing number Sailplane kits sold number Soaring clubs country would think number Sailplane ven dors would rank higher Could just buy fewer companies As what new Sailplanes Bob Sealys 129-in Ultima Klingberg 78-in Flying Wing completely new kits new Sig Riser 100 enlarge ment Two Meter ship Gold bergs new Sophisticated Lady develop ment ubiquitous Gentle Lady Most excitement show year centered around announcement new microprocessor computer chip radios Airtronics Futaba ra dios along JR Galaxy Multi plex Royal already mar ket will surely radios future sophisticated Sailplanes list should added microprocessor conversions Emulation Electronics Control Systems Laboratories com panies sell replacement encoder circuits will convert older radios say Futaba Conquest equivalent $1000 ra dio beauty new computer radios can buy generic aircraft set opposed helicopter custom program specialized Sail plane tricks desire can mix rud der ailerons elevator flaps flaps ailerons etc Basically can mix anything anything else lend some coherence presenta tion Ill divide three parts Part 1 will cover new radios Part 2 will Sailplanes Part 3 will discuss thing else Before getting what saw trend thats becoming important Id like mention consideration growing interest Sailplanes launched electric motors No Im talking about electric winches mean electric mo tors propellers isnt new youre thinking may subtle difference past Electric planes just Electric planes idea now coming around using motor get plane up can soar extra weight motor system has often found help rather hindrance soaring Modern August 1988 39 Frank Heinrich Robbe Model Sport shows off new 137-in-span ASW-24 Scale Sailplane features unbreakable plastic fuselage balsa-covered foam wings gorgeous model should terrific flier Steve Helms shows us Futabas new PCM 1024 Computer Series 9-channel transmit ter system has real time response stepless servo action Available midsummer Bob Henaud witfl tne prototype ot Alrtron Ics new microprocessor transmitter system should available later sum mer will list $500 four servos Mr SR Batteries himself Larry Sribnick addition extensive line batteries Larry now handling chargers motors kinds essential Electric flight items winning model Sailplane competition 168-in-span Pterasaur built Mike Kummerow second year row Mike has taken home trophy Congrats Left Bob Sealy holds new 129-in fiberglass Ultima Should great model looking get competition See text what Bob up Right Susie Lipp Windsong took 3rd Sailplane competition winning new Airtronics radio Left Theres good chance Bob Banka can provide scale documentation need Call Scale Model Research 714 979-805 find out Right Top Flites Scott Christensen displays Phasoar 60-in Electric Astro 035 Cobalt Look new kit very near future Sailpianes moving faster-strongerheavier philosophy anyway Purists will nat urally insist pure Sailplane fliers cant locate field big enough winch hi-start electric motor launching makes lot sense Id happy hear what readers think about can kick around regular monthly RC Soaring column Radios Airtronics big news new yet unnamed six-channel microprocessor PCM set will list $500 four ser vos Sanwa Japan will make exclu sively Airtronics should out about midsummer will have capabil ity mixing three channels other three can get mixing flap erons spoilerons elevons V-tail elevator flaps rudder ailerons etc can get elevator preset trim aileron dif ferential both flaperon spoileron modes has other usual features like dual rate adjustment adjustable exponential rate tied dual rate end point adjust ment channels built-in voltage regulation Airtronics recently introduced new Spectra PCM seven-channel Quantum PCM eight-channel radios very good sets listing $600 $800 re spectively puts above new sixchannel computer radio may adaptable Sailplanes guess can tell Im anxious try new six-channel set Futaba showed new nine-channel 1024 PCM/PPM microprocessor radio should available midsummer will mix four channels other four can programmed up six indi vidual planes fly six planes transmitter just tell plane want fly computers memory will recall trim settings partic ular transmitter programmed press ing buttons bottom front case large LCD display window shows graphic representation Pattern plane guess can live help show whats happening set has rest modem conveniences could expected top-of-the-line radio like will list $1000 four ser vos JR Propo showed extensive line ra dios including microprocessorcontrolled Galaxy Computer 8 set has available about year has re ceived excellent comments fliers have flown eight-channel set will mix four channels including flaperons V-tail can store trim data seven different planes As usual Galaxy 8 available Pattern Helicop ter versionsthe Pattern set selling $57999 four servos direct Cir cus Hobbies latest news JR Propo now ing handled Hobby Dynamics dis tributor local dealers JR company Japan Remote Control very large fac tor worldwide RC sales hasnt pene trated US market mail order sell ing much might have local dealers JR makes extremely sophisticated radios Graupner Germany radios made Graupners specifications normal European frequency spacing receivers can cope transmissions just 10kHz apart Consequently JR should 40 Model Aviation U Left Alan Berg L Michael Anderson Matrix Enterprises can provide case safeguard Vour models other items Right Stuart Pearce Jack Nunn representing Yorkshire Enterprises Canada model 100-ln-span Garth made Saliplanes International Left Three League Silent Flights new officers L-R VP Ray Hayes Treasurer Susie Lipp President Bob Steele Theyre ded icated revitalizing LSF want hear Right John Foltu JM Glascraft D version popular Penetrator Slope shIp have no trouble Us 1991 specs call ing RC frequencies 20kHz apart commercial users sandwiched betweenso effectively need 10kHz protection wonder JR Propo will bring some Graupner sets sale Likely will expensive have features gung-ho F3B flier could possibly hope Emulation Electronics Perhaps saw three-part article RC Modeler called Hi Tech Encoder written brothers Martin Tom Hendrickson Tim Ahrens about converting AM FM PPM transmitter use Moto rola microprocessor chip encoding Hendricksons have now gone produc tion selling complete printed cir cuit encoder board do-it-yourself model ers want very sophisticated radio reasonable price Basically what throw away everything inside transmitter except RF section wire up brothers 3 x 45-in PC board board designed drop Futaba Conquest can eas ily adapted other transmitters will work four- eight-channel radios can mix five channels can store data four planes Hendricksons have incorporated unique feature design called autotrim way works Assume flying along holding up-trim keep plane diving autotrim need press hold button computer will gradually like Continued page 131 August 1988 41 Larry King displays new Sophisticated Lady Carl Goldberg Models two-meter ship update wing same companys highly successful Gentle Lady Safety/Preston Continued page 22 either kites model airplanes near airports kite question reported glider-type kite 12-ft wingspan being flown 200-lb-test nylon line about two miles Palo Alto CA airport An eight-year-old girl flying kite father Rockwell Turbo Commander re ported flying altitude 800 ft snagged line newspaper reported girl dragged about 100 ftover fathers head almost tree before let go line Fortunately seri ously injured may freak accident Ive never before heard full-scale aircraft snagging kite string am using story stress im portance avoiding model flying areas low-flying full-scale aircraft may encoun tered FAAs Model Aircraft Operating Standards state fly higher 400 ft above surface operate closer three miles boundary airport unless permitted appropriate air traffic control facility airport manager Have safe month Taylorcraft/Shepherd Continued page 37 One-off fiberglass cowlings can made using styrofoam mold two coats one-hour epoxy shown ouflines plan prefer purchase yours high-quality cowls available Fiber glass Master Dept MA Rt 1 Box 530 Goodview VA 24095 Telephone 1-703890-6017 Both T-Craft models given polyure thane finishes good results clipped-wing version used Pactra Tropic Blue Dark Blue doctoring Sil ver Metallic get right shade stan dard model successfully finished Red Devil gloss spray cans Since know no hobby outlet source paint purchased local lumberyard cabins both models finished fair degree realism want go whole nine yards detailing cabin interior follow basic scale ratio two inches foot dual project brought lot en joyment Im confident will same whether build clippedwing standard version both Toledo/Blakeslee Continued page 41 three seconds reset elevator neutral trim spot holding Isnt science wonderful Trim pots can still used also Programming done button lights mounted right PC board Hi Tech Encoder available directly Hendricksons $175 plus $5 ship ping Address 2206 5 Lynn Urbana IL 61801 telephone 217 344-8740 Sailpianes Ace RC Bad news Im afraid Ace planning come out Leon Kincaids three-meter Scooter season cause expanding plant will de layed until later Scooter should kit worth waiting stay tuned Airtronics Sailplane line continues Oly 600 Oly II Sagitta Cumic Cumic Plus latest kit Two Meter Electric called Eclipse has allbuilt-up construction three-piece wing comes two kit versions stan dard deluxe latter includes motor 31 gear reducer folding propeller cluding whole works except motor Ni-Cd pack charger good idea cause beginners neednt worry about match ing components Tim Renaud working new Sail plane called Image will wood 100-in-span three-piece wing ailerons niche plane like believe fliers want step up Oly II try ailerons dont want go straight expensive glass/foam kits Image probably wont available until Christmastime Continued page 132 August 1988 131 fill Y16-in balsa sanded fair wire Cover landing gear finish nitrate dope SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049 051S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS & GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES ALSO COMPLETE LINE OF RACING PARTS - GLO-BEE FIREBALL & K&B PLUGS SOLID LINES RACING WHEELS QWCK FILLS ETC WE ALSO STOCK CARBON FIBER KLOTZ OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP RUBBER BANDS KSB SEELIG & IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS EVERYTHING YOU NEED FOR OLD TIMER EVENTS 132 Model Aviation American Sailplane Designs Gary Ander son San Diego proprietor company its aim source US-made Sailpianes especially unusual ones Soaring accessories Toledo Gary featuring Kling berg Wing really neat 78-in-span flying wing all-built-up construction selling like hot cakes $3995 story designer wing Rol Klingberg aerodynamicist living Sunnyvale CA working continuations Horten brothers flying wing theories purpose de sign 38-ft -span foot-launched pilotcarrying wing no vertical surfaces ing prudent person Rol built RC model make sure wing flew much interest modelers wing Rol decided produce kit Several hundred Klingberg Wing kits have sold Rol said con tinually amazed eager response Sailplaners can get mail American Sailplane Designs 2626 Coro nado Ave #89 San Diego CA 92154 tele phone 619 429-8281 youre send $300 Gary will forward com plete catalog feel up largest Scale Sailplane can buy Gary produc ing -scale ASW-20 kit form erly made Mark Smith big five meters wingspan 16 pounds weight Gary also has source obechi wing skin wood may come about 50 per sq ft can place large enough order Check Gary need some Bob Martin news will back Duralene fuselage production summer famous Coyote SR-7 slope ships will available again end summer should brand new Katie II also unbreakable Duralene fuselage should good ship trodiicing beginners wonderful world Slope Soaring plastic fuselages ideal slope planes because ten have contend rocks other un pleasantness landings Duralene about indestructible baseball bat can bounce off boulders oaly smudge show Bob also plans get clas sic Hobie Hawk back production Christmas will bring back memories lot us Bob Sealy Quality Fiberglass Bobs new 129-in-span Ultima design really beau ty should popular contest fliers has Bobs usual high quality epoxy/glass fuselage incorporates very practical slip-on nose cone fuselage made two halves has slip joint just behind wing builder needs glue parts gether fill joint will require bit work usual fuselage should safer shipment balsasheeted foam wing uses Selig 4061 airfoil three pieces center section flat bolts atop fuselage single 1420 nylon screw center has spruceand-ply box spar Bob says part bul let proof tip sections plug center panel using A-in steel joiner rods tip planform has trendy double taper leading edge sweepback allflying T-tail stabilizer screw-attached rocking mechanism atop fin Stabilizer drive via steel cable nylon tube Dry weight about 80 oz 1254 sq wing dry loading 92 oz per sq ft Bob has prototype set up using three servos coupled aileron rudder eleva tor flaps Ailerons driven bellcranks fuselage bellcranks end center section Fliers hightech radios could easily install separate ser vos aileron another rud der butterfly flaps down aile rons up could used landings Bobs factory-direct price complete kit cluding wood $18900 Bobs booth also included Javelin fly ing wing has no vertical surfaces kit sells $3900 big crosscountry kit Constellation really stood out too has 167-in span also uses Selig 4061 airfoil section wing balsa-covered foam incorporates both flaps spoilers nice fiberglass fu selage price $22750 ship becoming very popular X-C fliers Bob says will moving Nashville soon will concentrating kit manu facturing expects cut back sub stantial array epoxy-glass fuselages has making can reach Bob 521 96th Lane NE Blame MN 55434 tele phone 612 780-2737 Carl Goldberg Models Sophisticated Lady new plane CG Its heritage Gentle Lady similar wing everything else new has T-tail beefed up widened fuselage clear canopy detailed cockpit pilot overall effect sexy looking Two Meter ship thats sure appeal buy ers looking realistic looking trainer Also available Electric power pod bands above wing on/off servo switch pod battery goes inside fuselage So phisticated Lady priced $5499 power pod $3999 CG has taken over distribution Model Magic Filler Epoxy Plus both excellent products probably will find greater modeler acceptance Goldberg name behind Magic Filler creamy spackle good filling small holes making fillets sands nicely quite strong Epoxy Plus filled two-part white epoxy 25% lighter flexible regular epoxy adhesives can used just about application would use epoxy can sanded carved easier Pot life 8 mm being filled tends stay put Both products worth try Davey Systems Ted Davey started kit manOUR REV-UP INVENTORY AVERAGES OVER 9000 PROPS I! CALL FOR IMMEDIATE SHIPMENT ON VISA OR MASTERCARD ORDER BY MAIL OR PHONE 619728-4365 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRES INVITED MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 ORflFfl UIDDCfl IAIITUIAI 24 HOURS 6% TAX have long liked heavier faster efficient Sailplanes typical kit has fiberglass plastic fuselage balsaor obechi-covered foam wings aile rons very good slope flying boot fliers finding extra weight isnt detriment thermal flying planes allowed use higher cruis ing speed cover sky find lift Further though planes flying faster efficiency allows sink slowly slowly floater Consequently starting same launch height zero-lift air heavy Sail plane could well have longer flight times Dynaflite combination Mark Smiththan lightweight ship Models Craft Air Jemco Mark Jim especially enthused about new person did have new Sail-electric motor unit Graupner has planes What newsworthy numberbelt reducer shaft extension folding prop oldies goodies Mark still hasand spinner can use eight 12 available growing interest Vin-cells power unit less battery sells tage RC Gliders say pre-1975 Dyna-for $6900 Jim says unit flute catalog contains Marks original Wind-new Graupner ASW-22B will ideal free Tom Williams Windrifter Davewill launch p ane twice Thornbergs Bird Time bit mod-charge over winch launch height ex em Blame Rawdons Mirage Dicktra weight doesnt harm performance Odles RO-8 kits have lot ofcause plane flies best ballast anynostalgia themway free catalog available HL Dynaflite selling almost-ready-to-flywriting 5614 Franldin Pike Cir ARF Wanderers Piece 0 Cakes Acle Brentwood TN 37027 telephone 615 clever idea POC instructions373-1444 Wait until see ne showing kids take motor ra-Graupner four-meter Grob Twin Acro dio correct frequency theirScale Sailplane What beautyand electric-powered car install same the$83500 glider just slap propeller go flying Dynaflites address PO Box 1011 San Marcos CA 92069 telephone 619 744-9605 Hobby Lobbys Jim Martin guy really excited about electric-motor launch ing Sailplanes Jim imports Graup ner line Sailplanes accessories familiar what happening Eu rope especially Germany Germans Hobby Shack imports lot ARF planes few Gliders Electrics New year 72-in-span Elec 1800 EZ Company Japan comes com plete motor gear drive prop $18000 Just drop radio seven-cell pack go flying Fly does said John Lupperger another example weight speed compete effec tively traditional floaters ufacturing Sailpianes has now grown big line power kits Sail plane kits remain Prophet Two Meter 100-in sizes 15-meter Ariel hand launching slope thermal fly ing Ted says still has some neat lit tle Sport Winches hand minia ture winches use motorcycle battery Its just ticket need carry equipment long way complete set cluding line parachute turnaround $23495 plus UPS address Davey Systems 675 Tower Lane West Chester PA 19380 telephone 215 430-8645 JM Glasscrafts John Foitu says beauti ful little 48-in-span Penetrator selling like crazy especially California semiscale P-s 1 glass/foam kit dynamite slope horrors glow engine year its D ver sion ie clear canopy instead fastback Its really pretty basic kit $5400 plus $400 D version de luxe kit includes wood hardware $7650 plus $4 D Add $300 shipping want something especially cute about five-eights-size Penetrator called Pee Wee Penetrator has 28in span John says flies great Need less say micro-size radio components required fit nicely basic deluxe kits $3800 $5250 respectively postpaid Contact John 30820 Mayflower Roseville MI 48066 telephone 313 773-7069 Model Engineering Norwalk 14EN Jerry Jarvis Sailplane kit Gob bler won F3B World Champion ship Dwight Holly 1981 Technology has course advanced since Gobbler would still fine club Divi sion II under 12 oz/sq ft wing loading F3B competition MEN source high quality mandrelformed extruded hi-start rubber Jerry has 100-ft lengths light %2 $3895 medium /t6 $4110 heavy % $5770 super heavy 34 $8190 approximate pounds pull size 200% stretch double un stretched length 7 9 12 17 respec tively Jerry has developed some neat acces sories hi-starts especially like gad get slips ends rubber provide ring swivel Costs $300 worth MENs address 54 Chestnut Hill Norwalk CT 06851 134 Model Aviation MODELERS FIGHT-BACK / TRUE-FACTS NEWSLETTER Tired being ignored editors Fed up never having questions answered EIGHT BACK Join us letter year reader written publication open letter communication between fellow medelers RIC infreeflight good thing NATS east Mississippi Noise limits models flying Sites What fair insurance what risks ALL LETTERS PUBLISHED $300 recieve copy $550 pub letter & copy $1950 4 issues & letters 1 yr Quarterly July OctJsn.April THE PTERANODON PRESS PO Box 3sss OAKLAND CA 54t59 SBus CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get prolected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises 2540 RIDGE ROAD LANSING ILLINOIS 60438 P S Send catalog modelers safely supplies ifi-TECH ENCODER microprocessor based encoder board designed replace encoder board Futaba Conquest Ace Silver Seven transmitters compatible other AM FM radios market FEATURES complete calibration system trimpots stores calibration constants four aircraft maintained during power off can mix firat five channels other first five channels inS variety configurations exponential trim five strengths mixing expo trim can tamed off duristg flight control trim thronle cut-off dual-rates servo reversing outputs four eight channels POWER REQUiREMENTS 32ma @ 96vdc SIZE 3 x45 x75 inches SEND $400 installation operation manual oaly $17500 completely assembled tested encoder installation operation manual Please stare transmitter model nuntber channels Add $500 shipping handling EMULATION ELECTRONICS 2206 S Lynn Urbana 1L61801 217344-8740or217-4897647 IIAVEYYSTEMS Luci lER 075 HYPERIHRUSI motor fused switch harness propeller adaptor 8/ 4 fibreglass propeller LUCIFER has computeroptimized E-193 airfoil superb L/D tremendous speed range ideally suited fliers because its inherent stability enough flat-bottom wingSIZED TO FL floaters barely stagger up a____________________ couple hundred feet Build LUCIFER enjoy performance thQt expectl Big enough fly like sailplane should small enough repeatedly climb Pin-Head altitude battery charge Pre-cut fuselage sides accurate die machine cut selected woods complete rolled plans hardware detailed instructions piece wing spruce spars strength simplicity building IIAVEY YSTEMS i oRPoRATION Special Combo Price 675 TOWER LANE WEST CHESTER PA 19380 215-430-8645 Robbe Modelisport keeping German tradition big beautiful Scale Sailpianes Robbes latest offering 35meter 137-in ASW-24 full-size Schleicher Standard Class 15-meter span ship has just come market 24 features latest double-trapezoid wing geometry ie double sweepback tip leading edges model employs F3B-proven Quabeck HQ-30113 airfoil should give excellent performance wide speed range fuselage made unbreakable Plura molded white plastic foam wings tail balsa covered need cover balsa parts install radio kit $27995 may first sound like lot consider scores hours work kit like saves price actually quite reasonable Also hav ing everything factory made ensures ac curate machineand will fly cor rectly Incidentally Sailplanes can launched electric motor Robbe sells 10-cell electric flight set plane Robbe Germanys large full-line model manufacturers addition glid ers make power planes cars boats kinds accessories catalog veritable bonanza gorgeous toys Id recommend sending $600 Robbe get full catalog Address 180 Town ship Line Rd Belle Mead NJ 08502 buy over $50 worth products $6 deducted way Frank Heinrich Robbes US manager told Robbe factory near Fulda often go over Wasserkuppe test Sailplanes Howd like work Sig Mfg Co Mike Pratt has enlarged Sigs Two Meter Riser nice looking 100-inspan Sailplane said very easy build aimed beginner inter mediate flier Riser 100 should prove popular maln kit category now venerable Oly II has Lite Ply fuse lage sides Eppler 205 airfoil two-piece wing optional though highly recom mended spoilers space stan dard size servos beginner ser vos come sets could start Riser 100 having buy mini servos Riser 100 lists $5995 Also featured Sig both new Easy Hinges such simple looking items easy overlookbut terrific 12 thousandths inch thick Mylar special wicking coat install just cut thin slot surface say rudder fin assemble surfaces hinges place put drop two thin cyanoacrylate glue CyA both sides hinge CyA wicks balsa its impossible pull out hinges After CyA has hardened just wiggle surfaces CyA ex posed part hinge pops off make neat tidy sell $295 24 Top Flite Sailplane kits remain 56-in Wristocrat Two Meter Metric 100-inspan Antares Scott Christenson anticipates kitting Astro Cobalt 035-powered Pha soar soon Its wing similar Wristo crat fuselage tail different ought just ticket getting few flights during lunch hour Yorkshire Enterprises Canada North American agent Sailplanes International British Sailplane kit man ufacturer SI has line about 10 Gliders especially nice slope planes can ar range Stuart Pearce have SI kit shipped direct Britain ex ample 100-in -span Garth shown photo Stu Jack Nunn will come over about $14500 Stuart can probably help obtain other goodies Britain Contact him 40 Holgate St Barrie Ont Canada [AN 2T7 tele phone 207 726-6208 Other Exhibitors Kraft Midwest youre like still rely old Kraft radios youll want know Pete Waters specializes Kraft parts service Hell also repair con vert other brands Petes address 117 East Main Northville MI 48167 tele phone 313 348-0085 LSF NSS League Silent Flight Continued page 139 August 1988 135 THE WORLD IS FLYING 1N RED DEER IN 1988 AUGUST 1 13th ORLD CHAMPIONSHIP AND YOU CAN BE PART OF THIS WORLD CLASS EVENT BY OWNING YOUR OWN SET OF OFFICIAL COMMEMORATIVE PINS POPULAR AVIATION ARTIST JOHN P FERGUSON HAS DESIGNED SEVEN PINS EXCLUSIVELY FOR WAC 88 DEPICTING THE OFFICIAL LOGO AND SIX COMPETING COUNTRIES THIS BEAUTIFUL FRAMED SET CAN BE YOURS FOR ONLY US $4995 AS UONUS EACH ORDER WILL RECEIVE THREE ADDITIONAL COLLECTOR PINS FROM THE INTERNATIONAL FESTIVAL OF FLIGHT THESE FULL COLOR CLOISONNE PINS ARE OF SUCH HIGH QUALITY THAT WE ABSOLUTELY GUARANTEE YOUR SATISFACTION OR YOUR MONEY BACK Ehe authorized WAC88 pins available HOW TO ORDER SEND MO VISA MASTER CARD OR AMERICAN EXPRESS TT cRESTWOOD EMBLEMS PO BOX BOBS STN C EDMONTON ALBERTA CANADA T5B 4K6 US$4995 FOR EACH SET PLUS US$300 FOR POSTAGE AND HANDLING Toledo/Blakeslee Continued page 135 Ehe National Soaring Society again shared booth LSF just elec tion new officers hand President Bob Steele VP Ray Hayes Secre tary Jim Martin Treasurer Susie Lipp Representing NSS President Pete Carr DistricE Ill VP Ed Lightcap Sailplane community indeed fortu nate have such capable people serving both organizations group has exciting plans make Soaring bigger better us keep name LSF mailing list send card PO Box 647 Mundelein IL 60060 Bob Steeles address 10173 St Joe Rd Ft Wayne IN 46835 telephone 219 485-1145 youd like NSS info write Pete Carr 329 Little Ave Ridgeway PA 15053 telephone 814 772-4851 Magazines American model maga zines hand plus two British pub lishers Since probably already know about American ones Ill just say few words about British mags Argus Specialist Publications puts out two magazines interest Sailplaners Ra dio Control Models Electronics Ra dio Modeler used available through AMA just read ar rangement being dropped So now well have send checks directly Argus PO Box 35 Wolsey House Wolsey Road Hemel Hempstead Hertfordshire HP2 4SS England RM $3000 per year RCM&E $3100 Radio Control Model World easier deal because Traplet Publications has US office RCMW joy read maialy because Soaring column writ ten Sean Walbankalso White Sheet newsletter fame Sean corresponds about half Soaring clubs world material covers wide range ledo Special price $3000 per year tell BB sent shoald OK Write Traplet Distribution USA 1635 Wade Dr Paso Robles CA 93446 telephone 805 239-0997 Scale Model Research Bob Banka busy one-armed paper hanger selling Foto-Paaks Scale interest surging color pictures need finishing documentation Foto-Paaks contain 10 28 color shots air plane particular type Bob has Paaks 57 different Sailplanes 19 motor glid ers adding new ones time its good inquire hearts desire availableor coming SMRs address 2334 Ticonderoga Way Costa Mesa CA 92626 telephone 714 979-8058 Space Case easy-to-remember name line plastic cases can custom designed hold protect thing transmitters complete planes Space Cases also popular RC car crowd power fliers railroad ers 1987 US F3B Team used Space Cases planes winches other stuff Everything went Germany back fine shape Suggest contact Ma trix Enterprises 7015 Carroll Rd San Diego CA 92121 telephone 619 4509509 SR Batteries Larry Sribnick guy can supply nickel-cadmium pack might needbe transmitter re ceiver electric motor something else SR first offer high capacity packs will still custom make sort pack specifications Cells packs guaranteed form memory Larry says response customer demand single source batteries accessor ies now stocking high quality charg ers connectors motors hookup wire etc good service because beginners experts too often confused about batteries chargers full info send 45C pre-addressed return envelope SR Box 287 Bellport NY 11713 telephone 516 286-0079 Sailplane static competition seven Sailplanes enteredand two powered Come Sailplaners Lets show em beauties next year Mark Kummerow Chicago won second straight yearboth years flying wings Last year 200-in Ultra saur year 168-in PetraSaur inspiration both plane Gene Dees Icarosaur specs PetraSaur 168 span 11 chord 2070 sq area E-174/HQ 0010 airfoils 29 sweep 50 washout 10 dihe dral 15 winglet span 514 chord 80 sq area NACA 0009 airfoil 10 lb weight three channels controlling elevons flaps Construction foam carbon fiber balsa plywood spruce Ultracote MonoKote EconoKote Well done Mark Howd Ultrasaur go Second place went Troy Lawickis nicely finished Fiesta Multiplex kit third place new LSF trea surer Susie Lipp beautiful Windsong Susies ship has over 100 flights it looks better new ones Cant stand Radio Technique/Myers Continued page 43 SD 57013 605/987-5924 basic thing know about TRC Fast Charger thao monitors rate-of-change voltage pack being charged shuts off 1 detects quick voltage rise typical siEuatlon pack fully charged gas bubbles starting form 2 detects quick voltage drop typical fully charged cell going overcharge Because uses voltage-change monitoring does depend measuring absolute voltage TRC Fast Charger doesnt care cells pack same reason will fully charge cells old have high resistance certain cells havent charged couple months Try slow charging scrap have early model TRC Fast Charger can fooled shutting off before pack fully charged An easy way fool charger move around battery leads during charging session start prob ing around circuit voltmeter either procedures will cause enough change contact resistance present itself voltagechange monitoring circuit abrupt voltage rise drop Charging stops automatically Later models have desensitized ignore abrupt voltage changes Actually prefer charger shut off too soon action causes undercharging easily rectified Assuming know pack being charged exhausted know nominal capacity cell August 1988 139
Edition: Model Aviation - 1988/08
Page Numbers: 38, 39, 40, 41, 131, 132, 134, 135, 139
At umnist takes us Byron Blakeslee 0 Sailpianes Come along ride Toledo through thermals years resident Soaring col Toledo Expo Top The usual zoo Toledo helium balloon being flown designer/builder George Steiner Its two tiny electric motors pivot move balloon direction Left Designer Mike Pratt proudly hoids new Sig Riser 100 Standard Ciass version 2-meter Riser well suited Soaring trainer Right Rol Klingberg holds flying wing Gary Anderson American Sailplane Designs looks 38 Model Aviation THE FOURTEENTH running ledo RC Exposition held April 8-10 Sports Center Again weather quite nice Stories about terrible Toledo weather always Attendance very heavy crowds appeared about same last years record Judg ing eager lookers RC indus try very much alive well Modelers go Toledo spring find out whats new general RC show phases activity repre sented manufacturer distributor displays powered aircraft Pattern sport Scale planes represented biggest part RC cars second boats third Strangely anyway Id guess Sailplanes Helicopters about tied fourth find peculiar because owing number Sailplane kits sold number Soaring clubs country would think number Sailplane ven dors would rank higher Could just buy fewer companies As what new Sailplanes Bob Sealys 129-in Ultima Klingberg 78-in Flying Wing completely new kits new Sig Riser 100 enlarge ment Two Meter ship Gold bergs new Sophisticated Lady develop ment ubiquitous Gentle Lady Most excitement show year centered around announcement new microprocessor computer chip radios Airtronics Futaba ra dios along JR Galaxy Multi plex Royal already mar ket will surely radios future sophisticated Sailplanes list should added microprocessor conversions Emulation Electronics Control Systems Laboratories com panies sell replacement encoder circuits will convert older radios say Futaba Conquest equivalent $1000 ra dio beauty new computer radios can buy generic aircraft set opposed helicopter custom program specialized Sail plane tricks desire can mix rud der ailerons elevator flaps flaps ailerons etc Basically can mix anything anything else lend some coherence presenta tion Ill divide three parts Part 1 will cover new radios Part 2 will Sailplanes Part 3 will discuss thing else Before getting what saw trend thats becoming important Id like mention consideration growing interest Sailplanes launched electric motors No Im talking about electric winches mean electric mo tors propellers isnt new youre thinking may subtle difference past Electric planes just Electric planes idea now coming around using motor get plane up can soar extra weight motor system has often found help rather hindrance soaring Modern August 1988 39 Frank Heinrich Robbe Model Sport shows off new 137-in-span ASW-24 Scale Sailplane features unbreakable plastic fuselage balsa-covered foam wings gorgeous model should terrific flier Steve Helms shows us Futabas new PCM 1024 Computer Series 9-channel transmit ter system has real time response stepless servo action Available midsummer Bob Henaud witfl tne prototype ot Alrtron Ics new microprocessor transmitter system should available later sum mer will list $500 four servos Mr SR Batteries himself Larry Sribnick addition extensive line batteries Larry now handling chargers motors kinds essential Electric flight items winning model Sailplane competition 168-in-span Pterasaur built Mike Kummerow second year row Mike has taken home trophy Congrats Left Bob Sealy holds new 129-in fiberglass Ultima Should great model looking get competition See text what Bob up Right Susie Lipp Windsong took 3rd Sailplane competition winning new Airtronics radio Left Theres good chance Bob Banka can provide scale documentation need Call Scale Model Research 714 979-805 find out Right Top Flites Scott Christensen displays Phasoar 60-in Electric Astro 035 Cobalt Look new kit very near future Sailpianes moving faster-strongerheavier philosophy anyway Purists will nat urally insist pure Sailplane fliers cant locate field big enough winch hi-start electric motor launching makes lot sense Id happy hear what readers think about can kick around regular monthly RC Soaring column Radios Airtronics big news new yet unnamed six-channel microprocessor PCM set will list $500 four ser vos Sanwa Japan will make exclu sively Airtronics should out about midsummer will have capabil ity mixing three channels other three can get mixing flap erons spoilerons elevons V-tail elevator flaps rudder ailerons etc can get elevator preset trim aileron dif ferential both flaperon spoileron modes has other usual features like dual rate adjustment adjustable exponential rate tied dual rate end point adjust ment channels built-in voltage regulation Airtronics recently introduced new Spectra PCM seven-channel Quantum PCM eight-channel radios very good sets listing $600 $800 re spectively puts above new sixchannel computer radio may adaptable Sailplanes guess can tell Im anxious try new six-channel set Futaba showed new nine-channel 1024 PCM/PPM microprocessor radio should available midsummer will mix four channels other four can programmed up six indi vidual planes fly six planes transmitter just tell plane want fly computers memory will recall trim settings partic ular transmitter programmed press ing buttons bottom front case large LCD display window shows graphic representation Pattern plane guess can live help show whats happening set has rest modem conveniences could expected top-of-the-line radio like will list $1000 four ser vos JR Propo showed extensive line ra dios including microprocessorcontrolled Galaxy Computer 8 set has available about year has re ceived excellent comments fliers have flown eight-channel set will mix four channels including flaperons V-tail can store trim data seven different planes As usual Galaxy 8 available Pattern Helicop ter versionsthe Pattern set selling $57999 four servos direct Cir cus Hobbies latest news JR Propo now ing handled Hobby Dynamics dis tributor local dealers JR company Japan Remote Control very large fac tor worldwide RC sales hasnt pene trated US market mail order sell ing much might have local dealers JR makes extremely sophisticated radios Graupner Germany radios made Graupners specifications normal European frequency spacing receivers can cope transmissions just 10kHz apart Consequently JR should 40 Model Aviation U Left Alan Berg L Michael Anderson Matrix Enterprises can provide case safeguard Vour models other items Right Stuart Pearce Jack Nunn representing Yorkshire Enterprises Canada model 100-ln-span Garth made Saliplanes International Left Three League Silent Flights new officers L-R VP Ray Hayes Treasurer Susie Lipp President Bob Steele Theyre ded icated revitalizing LSF want hear Right John Foltu JM Glascraft D version popular Penetrator Slope shIp have no trouble Us 1991 specs call ing RC frequencies 20kHz apart commercial users sandwiched betweenso effectively need 10kHz protection wonder JR Propo will bring some Graupner sets sale Likely will expensive have features gung-ho F3B flier could possibly hope Emulation Electronics Perhaps saw three-part article RC Modeler called Hi Tech Encoder written brothers Martin Tom Hendrickson Tim Ahrens about converting AM FM PPM transmitter use Moto rola microprocessor chip encoding Hendricksons have now gone produc tion selling complete printed cir cuit encoder board do-it-yourself model ers want very sophisticated radio reasonable price Basically what throw away everything inside transmitter except RF section wire up brothers 3 x 45-in PC board board designed drop Futaba Conquest can eas ily adapted other transmitters will work four- eight-channel radios can mix five channels can store data four planes Hendricksons have incorporated unique feature design called autotrim way works Assume flying along holding up-trim keep plane diving autotrim need press hold button computer will gradually like Continued page 131 August 1988 41 Larry King displays new Sophisticated Lady Carl Goldberg Models two-meter ship update wing same companys highly successful Gentle Lady Safety/Preston Continued page 22 either kites model airplanes near airports kite question reported glider-type kite 12-ft wingspan being flown 200-lb-test nylon line about two miles Palo Alto CA airport An eight-year-old girl flying kite father Rockwell Turbo Commander re ported flying altitude 800 ft snagged line newspaper reported girl dragged about 100 ftover fathers head almost tree before let go line Fortunately seri ously injured may freak accident Ive never before heard full-scale aircraft snagging kite string am using story stress im portance avoiding model flying areas low-flying full-scale aircraft may encoun tered FAAs Model Aircraft Operating Standards state fly higher 400 ft above surface operate closer three miles boundary airport unless permitted appropriate air traffic control facility airport manager Have safe month Taylorcraft/Shepherd Continued page 37 One-off fiberglass cowlings can made using styrofoam mold two coats one-hour epoxy shown ouflines plan prefer purchase yours high-quality cowls available Fiber glass Master Dept MA Rt 1 Box 530 Goodview VA 24095 Telephone 1-703890-6017 Both T-Craft models given polyure thane finishes good results clipped-wing version used Pactra Tropic Blue Dark Blue doctoring Sil ver Metallic get right shade stan dard model successfully finished Red Devil gloss spray cans Since know no hobby outlet source paint purchased local lumberyard cabins both models finished fair degree realism want go whole nine yards detailing cabin interior follow basic scale ratio two inches foot dual project brought lot en joyment Im confident will same whether build clippedwing standard version both Toledo/Blakeslee Continued page 41 three seconds reset elevator neutral trim spot holding Isnt science wonderful Trim pots can still used also Programming done button lights mounted right PC board Hi Tech Encoder available directly Hendricksons $175 plus $5 ship ping Address 2206 5 Lynn Urbana IL 61801 telephone 217 344-8740 Sailpianes Ace RC Bad news Im afraid Ace planning come out Leon Kincaids three-meter Scooter season cause expanding plant will de layed until later Scooter should kit worth waiting stay tuned Airtronics Sailplane line continues Oly 600 Oly II Sagitta Cumic Cumic Plus latest kit Two Meter Electric called Eclipse has allbuilt-up construction three-piece wing comes two kit versions stan dard deluxe latter includes motor 31 gear reducer folding propeller cluding whole works except motor Ni-Cd pack charger good idea cause beginners neednt worry about match ing components Tim Renaud working new Sail plane called Image will wood 100-in-span three-piece wing ailerons niche plane like believe fliers want step up Oly II try ailerons dont want go straight expensive glass/foam kits Image probably wont available until Christmastime Continued page 132 August 1988 131 fill Y16-in balsa sanded fair wire Cover landing gear finish nitrate dope SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049 051S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS & GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES ALSO COMPLETE LINE OF RACING PARTS - GLO-BEE FIREBALL & K&B PLUGS SOLID LINES RACING WHEELS QWCK FILLS ETC WE ALSO STOCK CARBON FIBER KLOTZ OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP RUBBER BANDS KSB SEELIG & IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS EVERYTHING YOU NEED FOR OLD TIMER EVENTS 132 Model Aviation American Sailplane Designs Gary Ander son San Diego proprietor company its aim source US-made Sailpianes especially unusual ones Soaring accessories Toledo Gary featuring Kling berg Wing really neat 78-in-span flying wing all-built-up construction selling like hot cakes $3995 story designer wing Rol Klingberg aerodynamicist living Sunnyvale CA working continuations Horten brothers flying wing theories purpose de sign 38-ft -span foot-launched pilotcarrying wing no vertical surfaces ing prudent person Rol built RC model make sure wing flew much interest modelers wing Rol decided produce kit Several hundred Klingberg Wing kits have sold Rol said con tinually amazed eager response Sailplaners can get mail American Sailplane Designs 2626 Coro nado Ave #89 San Diego CA 92154 tele phone 619 429-8281 youre send $300 Gary will forward com plete catalog feel up largest Scale Sailplane can buy Gary produc ing -scale ASW-20 kit form erly made Mark Smith big five meters wingspan 16 pounds weight Gary also has source obechi wing skin wood may come about 50 per sq ft can place large enough order Check Gary need some Bob Martin news will back Duralene fuselage production summer famous Coyote SR-7 slope ships will available again end summer should brand new Katie II also unbreakable Duralene fuselage should good ship trodiicing beginners wonderful world Slope Soaring plastic fuselages ideal slope planes because ten have contend rocks other un pleasantness landings Duralene about indestructible baseball bat can bounce off boulders oaly smudge show Bob also plans get clas sic Hobie Hawk back production Christmas will bring back memories lot us Bob Sealy Quality Fiberglass Bobs new 129-in-span Ultima design really beau ty should popular contest fliers has Bobs usual high quality epoxy/glass fuselage incorporates very practical slip-on nose cone fuselage made two halves has slip joint just behind wing builder needs glue parts gether fill joint will require bit work usual fuselage should safer shipment balsasheeted foam wing uses Selig 4061 airfoil three pieces center section flat bolts atop fuselage single 1420 nylon screw center has spruceand-ply box spar Bob says part bul let proof tip sections plug center panel using A-in steel joiner rods tip planform has trendy double taper leading edge sweepback allflying T-tail stabilizer screw-attached rocking mechanism atop fin Stabilizer drive via steel cable nylon tube Dry weight about 80 oz 1254 sq wing dry loading 92 oz per sq ft Bob has prototype set up using three servos coupled aileron rudder eleva tor flaps Ailerons driven bellcranks fuselage bellcranks end center section Fliers hightech radios could easily install separate ser vos aileron another rud der butterfly flaps down aile rons up could used landings Bobs factory-direct price complete kit cluding wood $18900 Bobs booth also included Javelin fly ing wing has no vertical surfaces kit sells $3900 big crosscountry kit Constellation really stood out too has 167-in span also uses Selig 4061 airfoil section wing balsa-covered foam incorporates both flaps spoilers nice fiberglass fu selage price $22750 ship becoming very popular X-C fliers Bob says will moving Nashville soon will concentrating kit manu facturing expects cut back sub stantial array epoxy-glass fuselages has making can reach Bob 521 96th Lane NE Blame MN 55434 tele phone 612 780-2737 Carl Goldberg Models Sophisticated Lady new plane CG Its heritage Gentle Lady similar wing everything else new has T-tail beefed up widened fuselage clear canopy detailed cockpit pilot overall effect sexy looking Two Meter ship thats sure appeal buy ers looking realistic looking trainer Also available Electric power pod bands above wing on/off servo switch pod battery goes inside fuselage So phisticated Lady priced $5499 power pod $3999 CG has taken over distribution Model Magic Filler Epoxy Plus both excellent products probably will find greater modeler acceptance Goldberg name behind Magic Filler creamy spackle good filling small holes making fillets sands nicely quite strong Epoxy Plus filled two-part white epoxy 25% lighter flexible regular epoxy adhesives can used just about application would use epoxy can sanded carved easier Pot life 8 mm being filled tends stay put Both products worth try Davey Systems Ted Davey started kit manOUR REV-UP INVENTORY AVERAGES OVER 9000 PROPS I! CALL FOR IMMEDIATE SHIPMENT ON VISA OR MASTERCARD ORDER BY MAIL OR PHONE 619728-4365 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRES INVITED MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 ORflFfl UIDDCfl IAIITUIAI 24 HOURS 6% TAX have long liked heavier faster efficient Sailplanes typical kit has fiberglass plastic fuselage balsaor obechi-covered foam wings aile rons very good slope flying boot fliers finding extra weight isnt detriment thermal flying planes allowed use higher cruis ing speed cover sky find lift Further though planes flying faster efficiency allows sink slowly slowly floater Consequently starting same launch height zero-lift air heavy Sail plane could well have longer flight times Dynaflite combination Mark Smiththan lightweight ship Models Craft Air Jemco Mark Jim especially enthused about new person did have new Sail-electric motor unit Graupner has planes What newsworthy numberbelt reducer shaft extension folding prop oldies goodies Mark still hasand spinner can use eight 12 available growing interest Vin-cells power unit less battery sells tage RC Gliders say pre-1975 Dyna-for $6900 Jim says unit flute catalog contains Marks original Wind-new Graupner ASW-22B will ideal free Tom Williams Windrifter Davewill launch p ane twice Thornbergs Bird Time bit mod-charge over winch launch height ex em Blame Rawdons Mirage Dicktra weight doesnt harm performance Odles RO-8 kits have lot ofcause plane flies best ballast anynostalgia themway free catalog available HL Dynaflite selling almost-ready-to-flywriting 5614 Franldin Pike Cir ARF Wanderers Piece 0 Cakes Acle Brentwood TN 37027 telephone 615 clever idea POC instructions373-1444 Wait until see ne showing kids take motor ra-Graupner four-meter Grob Twin Acro dio correct frequency theirScale Sailplane What beautyand electric-powered car install same the$83500 glider just slap propeller go flying Dynaflites address PO Box 1011 San Marcos CA 92069 telephone 619 744-9605 Hobby Lobbys Jim Martin guy really excited about electric-motor launch ing Sailplanes Jim imports Graup ner line Sailplanes accessories familiar what happening Eu rope especially Germany Germans Hobby Shack imports lot ARF planes few Gliders Electrics New year 72-in-span Elec 1800 EZ Company Japan comes com plete motor gear drive prop $18000 Just drop radio seven-cell pack go flying Fly does said John Lupperger another example weight speed compete effec tively traditional floaters ufacturing Sailpianes has now grown big line power kits Sail plane kits remain Prophet Two Meter 100-in sizes 15-meter Ariel hand launching slope thermal fly ing Ted says still has some neat lit tle Sport Winches hand minia ture winches use motorcycle battery Its just ticket need carry equipment long way complete set cluding line parachute turnaround $23495 plus UPS address Davey Systems 675 Tower Lane West Chester PA 19380 telephone 215 430-8645 JM Glasscrafts John Foitu says beauti ful little 48-in-span Penetrator selling like crazy especially California semiscale P-s 1 glass/foam kit dynamite slope horrors glow engine year its D ver sion ie clear canopy instead fastback Its really pretty basic kit $5400 plus $400 D version de luxe kit includes wood hardware $7650 plus $4 D Add $300 shipping want something especially cute about five-eights-size Penetrator called Pee Wee Penetrator has 28in span John says flies great Need less say micro-size radio components required fit nicely basic deluxe kits $3800 $5250 respectively postpaid Contact John 30820 Mayflower Roseville MI 48066 telephone 313 773-7069 Model Engineering Norwalk 14EN Jerry Jarvis Sailplane kit Gob bler won F3B World Champion ship Dwight Holly 1981 Technology has course advanced since Gobbler would still fine club Divi sion II under 12 oz/sq ft wing loading F3B competition MEN source high quality mandrelformed extruded hi-start rubber Jerry has 100-ft lengths light %2 $3895 medium /t6 $4110 heavy % $5770 super heavy 34 $8190 approximate pounds pull size 200% stretch double un stretched length 7 9 12 17 respec tively Jerry has developed some neat acces sories hi-starts especially like gad get slips ends rubber provide ring swivel Costs $300 worth MENs address 54 Chestnut Hill Norwalk CT 06851 134 Model Aviation MODELERS FIGHT-BACK / TRUE-FACTS NEWSLETTER Tired being ignored editors Fed up never having questions answered EIGHT BACK Join us letter year reader written publication open letter communication between fellow medelers RIC infreeflight good thing NATS east Mississippi Noise limits models flying Sites What fair insurance what risks ALL LETTERS PUBLISHED $300 recieve copy $550 pub letter & copy $1950 4 issues & letters 1 yr Quarterly July OctJsn.April THE PTERANODON PRESS PO Box 3sss OAKLAND CA 54t59 SBus CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get prolected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises 2540 RIDGE ROAD LANSING ILLINOIS 60438 P S Send catalog modelers safely supplies ifi-TECH ENCODER microprocessor based encoder board designed replace encoder board Futaba Conquest Ace Silver Seven transmitters compatible other AM FM radios market FEATURES complete calibration system trimpots stores calibration constants four aircraft maintained during power off can mix firat five channels other first five channels inS variety configurations exponential trim five strengths mixing expo trim can tamed off duristg flight control trim thronle cut-off dual-rates servo reversing outputs four eight channels POWER REQUiREMENTS 32ma @ 96vdc SIZE 3 x45 x75 inches SEND $400 installation operation manual oaly $17500 completely assembled tested encoder installation operation manual Please stare transmitter model nuntber channels Add $500 shipping handling EMULATION ELECTRONICS 2206 S Lynn Urbana 1L61801 217344-8740or217-4897647 IIAVEYYSTEMS Luci lER 075 HYPERIHRUSI motor fused switch harness propeller adaptor 8/ 4 fibreglass propeller LUCIFER has computeroptimized E-193 airfoil superb L/D tremendous speed range ideally suited fliers because its inherent stability enough flat-bottom wingSIZED TO FL floaters barely stagger up a____________________ couple hundred feet Build LUCIFER enjoy performance thQt expectl Big enough fly like sailplane should small enough repeatedly climb Pin-Head altitude battery charge Pre-cut fuselage sides accurate die machine cut selected woods complete rolled plans hardware detailed instructions piece wing spruce spars strength simplicity building IIAVEY YSTEMS i oRPoRATION Special Combo Price 675 TOWER LANE WEST CHESTER PA 19380 215-430-8645 Robbe Modelisport keeping German tradition big beautiful Scale Sailpianes Robbes latest offering 35meter 137-in ASW-24 full-size Schleicher Standard Class 15-meter span ship has just come market 24 features latest double-trapezoid wing geometry ie double sweepback tip leading edges model employs F3B-proven Quabeck HQ-30113 airfoil should give excellent performance wide speed range fuselage made unbreakable Plura molded white plastic foam wings tail balsa covered need cover balsa parts install radio kit $27995 may first sound like lot consider scores hours work kit like saves price actually quite reasonable Also hav ing everything factory made ensures ac curate machineand will fly cor rectly Incidentally Sailplanes can launched electric motor Robbe sells 10-cell electric flight set plane Robbe Germanys large full-line model manufacturers addition glid ers make power planes cars boats kinds accessories catalog veritable bonanza gorgeous toys Id recommend sending $600 Robbe get full catalog Address 180 Town ship Line Rd Belle Mead NJ 08502 buy over $50 worth products $6 deducted way Frank Heinrich Robbes US manager told Robbe factory near Fulda often go over Wasserkuppe test Sailplanes Howd like work Sig Mfg Co Mike Pratt has enlarged Sigs Two Meter Riser nice looking 100-inspan Sailplane said very easy build aimed beginner inter mediate flier Riser 100 should prove popular maln kit category now venerable Oly II has Lite Ply fuse lage sides Eppler 205 airfoil two-piece wing optional though highly recom mended spoilers space stan dard size servos beginner ser vos come sets could start Riser 100 having buy mini servos Riser 100 lists $5995 Also featured Sig both new Easy Hinges such simple looking items easy overlookbut terrific 12 thousandths inch thick Mylar special wicking coat install just cut thin slot surface say rudder fin assemble surfaces hinges place put drop two thin cyanoacrylate glue CyA both sides hinge CyA wicks balsa its impossible pull out hinges After CyA has hardened just wiggle surfaces CyA ex posed part hinge pops off make neat tidy sell $295 24 Top Flite Sailplane kits remain 56-in Wristocrat Two Meter Metric 100-inspan Antares Scott Christenson anticipates kitting Astro Cobalt 035-powered Pha soar soon Its wing similar Wristo crat fuselage tail different ought just ticket getting few flights during lunch hour Yorkshire Enterprises Canada North American agent Sailplanes International British Sailplane kit man ufacturer SI has line about 10 Gliders especially nice slope planes can ar range Stuart Pearce have SI kit shipped direct Britain ex ample 100-in -span Garth shown photo Stu Jack Nunn will come over about $14500 Stuart can probably help obtain other goodies Britain Contact him 40 Holgate St Barrie Ont Canada [AN 2T7 tele phone 207 726-6208 Other Exhibitors Kraft Midwest youre like still rely old Kraft radios youll want know Pete Waters specializes Kraft parts service Hell also repair con vert other brands Petes address 117 East Main Northville MI 48167 tele phone 313 348-0085 LSF NSS League Silent Flight Continued page 139 August 1988 135 THE WORLD IS FLYING 1N RED DEER IN 1988 AUGUST 1 13th ORLD CHAMPIONSHIP AND YOU CAN BE PART OF THIS WORLD CLASS EVENT BY OWNING YOUR OWN SET OF OFFICIAL COMMEMORATIVE PINS POPULAR AVIATION ARTIST JOHN P FERGUSON HAS DESIGNED SEVEN PINS EXCLUSIVELY FOR WAC 88 DEPICTING THE OFFICIAL LOGO AND SIX COMPETING COUNTRIES THIS BEAUTIFUL FRAMED SET CAN BE YOURS FOR ONLY US $4995 AS UONUS EACH ORDER WILL RECEIVE THREE ADDITIONAL COLLECTOR PINS FROM THE INTERNATIONAL FESTIVAL OF FLIGHT THESE FULL COLOR CLOISONNE PINS ARE OF SUCH HIGH QUALITY THAT WE ABSOLUTELY GUARANTEE YOUR SATISFACTION OR YOUR MONEY BACK Ehe authorized WAC88 pins available HOW TO ORDER SEND MO VISA MASTER CARD OR AMERICAN EXPRESS TT cRESTWOOD EMBLEMS PO BOX BOBS STN C EDMONTON ALBERTA CANADA T5B 4K6 US$4995 FOR EACH SET PLUS US$300 FOR POSTAGE AND HANDLING Toledo/Blakeslee Continued page 135 Ehe National Soaring Society again shared booth LSF just elec tion new officers hand President Bob Steele VP Ray Hayes Secre tary Jim Martin Treasurer Susie Lipp Representing NSS President Pete Carr DistricE Ill VP Ed Lightcap Sailplane community indeed fortu nate have such capable people serving both organizations group has exciting plans make Soaring bigger better us keep name LSF mailing list send card PO Box 647 Mundelein IL 60060 Bob Steeles address 10173 St Joe Rd Ft Wayne IN 46835 telephone 219 485-1145 youd like NSS info write Pete Carr 329 Little Ave Ridgeway PA 15053 telephone 814 772-4851 Magazines American model maga zines hand plus two British pub lishers Since probably already know about American ones Ill just say few words about British mags Argus Specialist Publications puts out two magazines interest Sailplaners Ra dio Control Models Electronics Ra dio Modeler used available through AMA just read ar rangement being dropped So now well have send checks directly Argus PO Box 35 Wolsey House Wolsey Road Hemel Hempstead Hertfordshire HP2 4SS England RM $3000 per year RCM&E $3100 Radio Control Model World easier deal because Traplet Publications has US office RCMW joy read maialy because Soaring column writ ten Sean Walbankalso White Sheet newsletter fame Sean corresponds about half Soaring clubs world material covers wide range ledo Special price $3000 per year tell BB sent shoald OK Write Traplet Distribution USA 1635 Wade Dr Paso Robles CA 93446 telephone 805 239-0997 Scale Model Research Bob Banka busy one-armed paper hanger selling Foto-Paaks Scale interest surging color pictures need finishing documentation Foto-Paaks contain 10 28 color shots air plane particular type Bob has Paaks 57 different Sailplanes 19 motor glid ers adding new ones time its good inquire hearts desire availableor coming SMRs address 2334 Ticonderoga Way Costa Mesa CA 92626 telephone 714 979-8058 Space Case easy-to-remember name line plastic cases can custom designed hold protect thing transmitters complete planes Space Cases also popular RC car crowd power fliers railroad ers 1987 US F3B Team used Space Cases planes winches other stuff Everything went Germany back fine shape Suggest contact Ma trix Enterprises 7015 Carroll Rd San Diego CA 92121 telephone 619 4509509 SR Batteries Larry Sribnick guy can supply nickel-cadmium pack might needbe transmitter re ceiver electric motor something else SR first offer high capacity packs will still custom make sort pack specifications Cells packs guaranteed form memory Larry says response customer demand single source batteries accessor ies now stocking high quality charg ers connectors motors hookup wire etc good service because beginners experts too often confused about batteries chargers full info send 45C pre-addressed return envelope SR Box 287 Bellport NY 11713 telephone 516 286-0079 Sailplane static competition seven Sailplanes enteredand two powered Come Sailplaners Lets show em beauties next year Mark Kummerow Chicago won second straight yearboth years flying wings Last year 200-in Ultra saur year 168-in PetraSaur inspiration both plane Gene Dees Icarosaur specs PetraSaur 168 span 11 chord 2070 sq area E-174/HQ 0010 airfoils 29 sweep 50 washout 10 dihe dral 15 winglet span 514 chord 80 sq area NACA 0009 airfoil 10 lb weight three channels controlling elevons flaps Construction foam carbon fiber balsa plywood spruce Ultracote MonoKote EconoKote Well done Mark Howd Ultrasaur go Second place went Troy Lawickis nicely finished Fiesta Multiplex kit third place new LSF trea surer Susie Lipp beautiful Windsong Susies ship has over 100 flights it looks better new ones Cant stand Radio Technique/Myers Continued page 43 SD 57013 605/987-5924 basic thing know about TRC Fast Charger thao monitors rate-of-change voltage pack being charged shuts off 1 detects quick voltage rise typical siEuatlon pack fully charged gas bubbles starting form 2 detects quick voltage drop typical fully charged cell going overcharge Because uses voltage-change monitoring does depend measuring absolute voltage TRC Fast Charger doesnt care cells pack same reason will fully charge cells old have high resistance certain cells havent charged couple months Try slow charging scrap have early model TRC Fast Charger can fooled shutting off before pack fully charged An easy way fool charger move around battery leads during charging session start prob ing around circuit voltmeter either procedures will cause enough change contact resistance present itself voltagechange monitoring circuit abrupt voltage rise drop Charging stops automatically Later models have desensitized ignore abrupt voltage changes Actually prefer charger shut off too soon action causes undercharging easily rectified Assuming know pack being charged exhausted know nominal capacity cell August 1988 139
Edition: Model Aviation - 1988/08
Page Numbers: 38, 39, 40, 41, 131, 132, 134, 135, 139
At umnist takes us Byron Blakeslee 0 Sailpianes Come along ride Toledo through thermals years resident Soaring col Toledo Expo Top The usual zoo Toledo helium balloon being flown designer/builder George Steiner Its two tiny electric motors pivot move balloon direction Left Designer Mike Pratt proudly hoids new Sig Riser 100 Standard Ciass version 2-meter Riser well suited Soaring trainer Right Rol Klingberg holds flying wing Gary Anderson American Sailplane Designs looks 38 Model Aviation THE FOURTEENTH running ledo RC Exposition held April 8-10 Sports Center Again weather quite nice Stories about terrible Toledo weather always Attendance very heavy crowds appeared about same last years record Judg ing eager lookers RC indus try very much alive well Modelers go Toledo spring find out whats new general RC show phases activity repre sented manufacturer distributor displays powered aircraft Pattern sport Scale planes represented biggest part RC cars second boats third Strangely anyway Id guess Sailplanes Helicopters about tied fourth find peculiar because owing number Sailplane kits sold number Soaring clubs country would think number Sailplane ven dors would rank higher Could just buy fewer companies As what new Sailplanes Bob Sealys 129-in Ultima Klingberg 78-in Flying Wing completely new kits new Sig Riser 100 enlarge ment Two Meter ship Gold bergs new Sophisticated Lady develop ment ubiquitous Gentle Lady Most excitement show year centered around announcement new microprocessor computer chip radios Airtronics Futaba ra dios along JR Galaxy Multi plex Royal already mar ket will surely radios future sophisticated Sailplanes list should added microprocessor conversions Emulation Electronics Control Systems Laboratories com panies sell replacement encoder circuits will convert older radios say Futaba Conquest equivalent $1000 ra dio beauty new computer radios can buy generic aircraft set opposed helicopter custom program specialized Sail plane tricks desire can mix rud der ailerons elevator flaps flaps ailerons etc Basically can mix anything anything else lend some coherence presenta tion Ill divide three parts Part 1 will cover new radios Part 2 will Sailplanes Part 3 will discuss thing else Before getting what saw trend thats becoming important Id like mention consideration growing interest Sailplanes launched electric motors No Im talking about electric winches mean electric mo tors propellers isnt new youre thinking may subtle difference past Electric planes just Electric planes idea now coming around using motor get plane up can soar extra weight motor system has often found help rather hindrance soaring Modern August 1988 39 Frank Heinrich Robbe Model Sport shows off new 137-in-span ASW-24 Scale Sailplane features unbreakable plastic fuselage balsa-covered foam wings gorgeous model should terrific flier Steve Helms shows us Futabas new PCM 1024 Computer Series 9-channel transmit ter system has real time response stepless servo action Available midsummer Bob Henaud witfl tne prototype ot Alrtron Ics new microprocessor transmitter system should available later sum mer will list $500 four servos Mr SR Batteries himself Larry Sribnick addition extensive line batteries Larry now handling chargers motors kinds essential Electric flight items winning model Sailplane competition 168-in-span Pterasaur built Mike Kummerow second year row Mike has taken home trophy Congrats Left Bob Sealy holds new 129-in fiberglass Ultima Should great model looking get competition See text what Bob up Right Susie Lipp Windsong took 3rd Sailplane competition winning new Airtronics radio Left Theres good chance Bob Banka can provide scale documentation need Call Scale Model Research 714 979-805 find out Right Top Flites Scott Christensen displays Phasoar 60-in Electric Astro 035 Cobalt Look new kit very near future Sailpianes moving faster-strongerheavier philosophy anyway Purists will nat urally insist pure Sailplane fliers cant locate field big enough winch hi-start electric motor launching makes lot sense Id happy hear what readers think about can kick around regular monthly RC Soaring column Radios Airtronics big news new yet unnamed six-channel microprocessor PCM set will list $500 four ser vos Sanwa Japan will make exclu sively Airtronics should out about midsummer will have capabil ity mixing three channels other three can get mixing flap erons spoilerons elevons V-tail elevator flaps rudder ailerons etc can get elevator preset trim aileron dif ferential both flaperon spoileron modes has other usual features like dual rate adjustment adjustable exponential rate tied dual rate end point adjust ment channels built-in voltage regulation Airtronics recently introduced new Spectra PCM seven-channel Quantum PCM eight-channel radios very good sets listing $600 $800 re spectively puts above new sixchannel computer radio may adaptable Sailplanes guess can tell Im anxious try new six-channel set Futaba showed new nine-channel 1024 PCM/PPM microprocessor radio should available midsummer will mix four channels other four can programmed up six indi vidual planes fly six planes transmitter just tell plane want fly computers memory will recall trim settings partic ular transmitter programmed press ing buttons bottom front case large LCD display window shows graphic representation Pattern plane guess can live help show whats happening set has rest modem conveniences could expected top-of-the-line radio like will list $1000 four ser vos JR Propo showed extensive line ra dios including microprocessorcontrolled Galaxy Computer 8 set has available about year has re ceived excellent comments fliers have flown eight-channel set will mix four channels including flaperons V-tail can store trim data seven different planes As usual Galaxy 8 available Pattern Helicop ter versionsthe Pattern set selling $57999 four servos direct Cir cus Hobbies latest news JR Propo now ing handled Hobby Dynamics dis tributor local dealers JR company Japan Remote Control very large fac tor worldwide RC sales hasnt pene trated US market mail order sell ing much might have local dealers JR makes extremely sophisticated radios Graupner Germany radios made Graupners specifications normal European frequency spacing receivers can cope transmissions just 10kHz apart Consequently JR should 40 Model Aviation U Left Alan Berg L Michael Anderson Matrix Enterprises can provide case safeguard Vour models other items Right Stuart Pearce Jack Nunn representing Yorkshire Enterprises Canada model 100-ln-span Garth made Saliplanes International Left Three League Silent Flights new officers L-R VP Ray Hayes Treasurer Susie Lipp President Bob Steele Theyre ded icated revitalizing LSF want hear Right John Foltu JM Glascraft D version popular Penetrator Slope shIp have no trouble Us 1991 specs call ing RC frequencies 20kHz apart commercial users sandwiched betweenso effectively need 10kHz protection wonder JR Propo will bring some Graupner sets sale Likely will expensive have features gung-ho F3B flier could possibly hope Emulation Electronics Perhaps saw three-part article RC Modeler called Hi Tech Encoder written brothers Martin Tom Hendrickson Tim Ahrens about converting AM FM PPM transmitter use Moto rola microprocessor chip encoding Hendricksons have now gone produc tion selling complete printed cir cuit encoder board do-it-yourself model ers want very sophisticated radio reasonable price Basically what throw away everything inside transmitter except RF section wire up brothers 3 x 45-in PC board board designed drop Futaba Conquest can eas ily adapted other transmitters will work four- eight-channel radios can mix five channels can store data four planes Hendricksons have incorporated unique feature design called autotrim way works Assume flying along holding up-trim keep plane diving autotrim need press hold button computer will gradually like Continued page 131 August 1988 41 Larry King displays new Sophisticated Lady Carl Goldberg Models two-meter ship update wing same companys highly successful Gentle Lady Safety/Preston Continued page 22 either kites model airplanes near airports kite question reported glider-type kite 12-ft wingspan being flown 200-lb-test nylon line about two miles Palo Alto CA airport An eight-year-old girl flying kite father Rockwell Turbo Commander re ported flying altitude 800 ft snagged line newspaper reported girl dragged about 100 ftover fathers head almost tree before let go line Fortunately seri ously injured may freak accident Ive never before heard full-scale aircraft snagging kite string am using story stress im portance avoiding model flying areas low-flying full-scale aircraft may encoun tered FAAs Model Aircraft Operating Standards state fly higher 400 ft above surface operate closer three miles boundary airport unless permitted appropriate air traffic control facility airport manager Have safe month Taylorcraft/Shepherd Continued page 37 One-off fiberglass cowlings can made using styrofoam mold two coats one-hour epoxy shown ouflines plan prefer purchase yours high-quality cowls available Fiber glass Master Dept MA Rt 1 Box 530 Goodview VA 24095 Telephone 1-703890-6017 Both T-Craft models given polyure thane finishes good results clipped-wing version used Pactra Tropic Blue Dark Blue doctoring Sil ver Metallic get right shade stan dard model successfully finished Red Devil gloss spray cans Since know no hobby outlet source paint purchased local lumberyard cabins both models finished fair degree realism want go whole nine yards detailing cabin interior follow basic scale ratio two inches foot dual project brought lot en joyment Im confident will same whether build clippedwing standard version both Toledo/Blakeslee Continued page 41 three seconds reset elevator neutral trim spot holding Isnt science wonderful Trim pots can still used also Programming done button lights mounted right PC board Hi Tech Encoder available directly Hendricksons $175 plus $5 ship ping Address 2206 5 Lynn Urbana IL 61801 telephone 217 344-8740 Sailpianes Ace RC Bad news Im afraid Ace planning come out Leon Kincaids three-meter Scooter season cause expanding plant will de layed until later Scooter should kit worth waiting stay tuned Airtronics Sailplane line continues Oly 600 Oly II Sagitta Cumic Cumic Plus latest kit Two Meter Electric called Eclipse has allbuilt-up construction three-piece wing comes two kit versions stan dard deluxe latter includes motor 31 gear reducer folding propeller cluding whole works except motor Ni-Cd pack charger good idea cause beginners neednt worry about match ing components Tim Renaud working new Sail plane called Image will wood 100-in-span three-piece wing ailerons niche plane like believe fliers want step up Oly II try ailerons dont want go straight expensive glass/foam kits Image probably wont available until Christmastime Continued page 132 August 1988 131 fill Y16-in balsa sanded fair wire Cover landing gear finish nitrate dope SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049 051S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS & GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES ALSO COMPLETE LINE OF RACING PARTS - GLO-BEE FIREBALL & K&B PLUGS SOLID LINES RACING WHEELS QWCK FILLS ETC WE ALSO STOCK CARBON FIBER KLOTZ OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP RUBBER BANDS KSB SEELIG & IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS EVERYTHING YOU NEED FOR OLD TIMER EVENTS 132 Model Aviation American Sailplane Designs Gary Ander son San Diego proprietor company its aim source US-made Sailpianes especially unusual ones Soaring accessories Toledo Gary featuring Kling berg Wing really neat 78-in-span flying wing all-built-up construction selling like hot cakes $3995 story designer wing Rol Klingberg aerodynamicist living Sunnyvale CA working continuations Horten brothers flying wing theories purpose de sign 38-ft -span foot-launched pilotcarrying wing no vertical surfaces ing prudent person Rol built RC model make sure wing flew much interest modelers wing Rol decided produce kit Several hundred Klingberg Wing kits have sold Rol said con tinually amazed eager response Sailplaners can get mail American Sailplane Designs 2626 Coro nado Ave #89 San Diego CA 92154 tele phone 619 429-8281 youre send $300 Gary will forward com plete catalog feel up largest Scale Sailplane can buy Gary produc ing -scale ASW-20 kit form erly made Mark Smith big five meters wingspan 16 pounds weight Gary also has source obechi wing skin wood may come about 50 per sq ft can place large enough order Check Gary need some Bob Martin news will back Duralene fuselage production summer famous Coyote SR-7 slope ships will available again end summer should brand new Katie II also unbreakable Duralene fuselage should good ship trodiicing beginners wonderful world Slope Soaring plastic fuselages ideal slope planes because ten have contend rocks other un pleasantness landings Duralene about indestructible baseball bat can bounce off boulders oaly smudge show Bob also plans get clas sic Hobie Hawk back production Christmas will bring back memories lot us Bob Sealy Quality Fiberglass Bobs new 129-in-span Ultima design really beau ty should popular contest fliers has Bobs usual high quality epoxy/glass fuselage incorporates very practical slip-on nose cone fuselage made two halves has slip joint just behind wing builder needs glue parts gether fill joint will require bit work usual fuselage should safer shipment balsasheeted foam wing uses Selig 4061 airfoil three pieces center section flat bolts atop fuselage single 1420 nylon screw center has spruceand-ply box spar Bob says part bul let proof tip sections plug center panel using A-in steel joiner rods tip planform has trendy double taper leading edge sweepback allflying T-tail stabilizer screw-attached rocking mechanism atop fin Stabilizer drive via steel cable nylon tube Dry weight about 80 oz 1254 sq wing dry loading 92 oz per sq ft Bob has prototype set up using three servos coupled aileron rudder eleva tor flaps Ailerons driven bellcranks fuselage bellcranks end center section Fliers hightech radios could easily install separate ser vos aileron another rud der butterfly flaps down aile rons up could used landings Bobs factory-direct price complete kit cluding wood $18900 Bobs booth also included Javelin fly ing wing has no vertical surfaces kit sells $3900 big crosscountry kit Constellation really stood out too has 167-in span also uses Selig 4061 airfoil section wing balsa-covered foam incorporates both flaps spoilers nice fiberglass fu selage price $22750 ship becoming very popular X-C fliers Bob says will moving Nashville soon will concentrating kit manu facturing expects cut back sub stantial array epoxy-glass fuselages has making can reach Bob 521 96th Lane NE Blame MN 55434 tele phone 612 780-2737 Carl Goldberg Models Sophisticated Lady new plane CG Its heritage Gentle Lady similar wing everything else new has T-tail beefed up widened fuselage clear canopy detailed cockpit pilot overall effect sexy looking Two Meter ship thats sure appeal buy ers looking realistic looking trainer Also available Electric power pod bands above wing on/off servo switch pod battery goes inside fuselage So phisticated Lady priced $5499 power pod $3999 CG has taken over distribution Model Magic Filler Epoxy Plus both excellent products probably will find greater modeler acceptance Goldberg name behind Magic Filler creamy spackle good filling small holes making fillets sands nicely quite strong Epoxy Plus filled two-part white epoxy 25% lighter flexible regular epoxy adhesives can used just about application would use epoxy can sanded carved easier Pot life 8 mm being filled tends stay put Both products worth try Davey Systems Ted Davey started kit manOUR REV-UP INVENTORY AVERAGES OVER 9000 PROPS I! CALL FOR IMMEDIATE SHIPMENT ON VISA OR MASTERCARD ORDER BY MAIL OR PHONE 619728-4365 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRES INVITED MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 ORflFfl UIDDCfl IAIITUIAI 24 HOURS 6% TAX have long liked heavier faster efficient Sailplanes typical kit has fiberglass plastic fuselage balsaor obechi-covered foam wings aile rons very good slope flying boot fliers finding extra weight isnt detriment thermal flying planes allowed use higher cruis ing speed cover sky find lift Further though planes flying faster efficiency allows sink slowly slowly floater Consequently starting same launch height zero-lift air heavy Sail plane could well have longer flight times Dynaflite combination Mark Smiththan lightweight ship Models Craft Air Jemco Mark Jim especially enthused about new person did have new Sail-electric motor unit Graupner has planes What newsworthy numberbelt reducer shaft extension folding prop oldies goodies Mark still hasand spinner can use eight 12 available growing interest Vin-cells power unit less battery sells tage RC Gliders say pre-1975 Dyna-for $6900 Jim says unit flute catalog contains Marks original Wind-new Graupner ASW-22B will ideal free Tom Williams Windrifter Davewill launch p ane twice Thornbergs Bird Time bit mod-charge over winch launch height ex em Blame Rawdons Mirage Dicktra weight doesnt harm performance Odles RO-8 kits have lot ofcause plane flies best ballast anynostalgia themway free catalog available HL Dynaflite selling almost-ready-to-flywriting 5614 Franldin Pike Cir ARF Wanderers Piece 0 Cakes Acle Brentwood TN 37027 telephone 615 clever idea POC instructions373-1444 Wait until see ne showing kids take motor ra-Graupner four-meter Grob Twin Acro dio correct frequency theirScale Sailplane What beautyand electric-powered car install same the$83500 glider just slap propeller go flying Dynaflites address PO Box 1011 San Marcos CA 92069 telephone 619 744-9605 Hobby Lobbys Jim Martin guy really excited about electric-motor launch ing Sailplanes Jim imports Graup ner line Sailplanes accessories familiar what happening Eu rope especially Germany Germans Hobby Shack imports lot ARF planes few Gliders Electrics New year 72-in-span Elec 1800 EZ Company Japan comes com plete motor gear drive prop $18000 Just drop radio seven-cell pack go flying Fly does said John Lupperger another example weight speed compete effec tively traditional floaters ufacturing Sailpianes has now grown big line power kits Sail plane kits remain Prophet Two Meter 100-in sizes 15-meter Ariel hand launching slope thermal fly ing Ted says still has some neat lit tle Sport Winches hand minia ture winches use motorcycle battery Its just ticket need carry equipment long way complete set cluding line parachute turnaround $23495 plus UPS address Davey Systems 675 Tower Lane West Chester PA 19380 telephone 215 430-8645 JM Glasscrafts John Foitu says beauti ful little 48-in-span Penetrator selling like crazy especially California semiscale P-s 1 glass/foam kit dynamite slope horrors glow engine year its D ver sion ie clear canopy instead fastback Its really pretty basic kit $5400 plus $400 D version de luxe kit includes wood hardware $7650 plus $4 D Add $300 shipping want something especially cute about five-eights-size Penetrator called Pee Wee Penetrator has 28in span John says flies great Need less say micro-size radio components required fit nicely basic deluxe kits $3800 $5250 respectively postpaid Contact John 30820 Mayflower Roseville MI 48066 telephone 313 773-7069 Model Engineering Norwalk 14EN Jerry Jarvis Sailplane kit Gob bler won F3B World Champion ship Dwight Holly 1981 Technology has course advanced since Gobbler would still fine club Divi sion II under 12 oz/sq ft wing loading F3B competition MEN source high quality mandrelformed extruded hi-start rubber Jerry has 100-ft lengths light %2 $3895 medium /t6 $4110 heavy % $5770 super heavy 34 $8190 approximate pounds pull size 200% stretch double un stretched length 7 9 12 17 respec tively Jerry has developed some neat acces sories hi-starts especially like gad get slips ends rubber provide ring swivel Costs $300 worth MENs address 54 Chestnut Hill Norwalk CT 06851 134 Model Aviation MODELERS FIGHT-BACK / TRUE-FACTS NEWSLETTER Tired being ignored editors Fed up never having questions answered EIGHT BACK Join us letter year reader written publication open letter communication between fellow medelers RIC infreeflight good thing NATS east Mississippi Noise limits models flying Sites What fair insurance what risks ALL LETTERS PUBLISHED $300 recieve copy $550 pub letter & copy $1950 4 issues & letters 1 yr Quarterly July OctJsn.April THE PTERANODON PRESS PO Box 3sss OAKLAND CA 54t59 SBus CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get prolected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises 2540 RIDGE ROAD LANSING ILLINOIS 60438 P S Send catalog modelers safely supplies ifi-TECH ENCODER microprocessor based encoder board designed replace encoder board Futaba Conquest Ace Silver Seven transmitters compatible other AM FM radios market FEATURES complete calibration system trimpots stores calibration constants four aircraft maintained during power off can mix firat five channels other first five channels inS variety configurations exponential trim five strengths mixing expo trim can tamed off duristg flight control trim thronle cut-off dual-rates servo reversing outputs four eight channels POWER REQUiREMENTS 32ma @ 96vdc SIZE 3 x45 x75 inches SEND $400 installation operation manual oaly $17500 completely assembled tested encoder installation operation manual Please stare transmitter model nuntber channels Add $500 shipping handling EMULATION ELECTRONICS 2206 S Lynn Urbana 1L61801 217344-8740or217-4897647 IIAVEYYSTEMS Luci lER 075 HYPERIHRUSI motor fused switch harness propeller adaptor 8/ 4 fibreglass propeller LUCIFER has computeroptimized E-193 airfoil superb L/D tremendous speed range ideally suited fliers because its inherent stability enough flat-bottom wingSIZED TO FL floaters barely stagger up a____________________ couple hundred feet Build LUCIFER enjoy performance thQt expectl Big enough fly like sailplane should small enough repeatedly climb Pin-Head altitude battery charge Pre-cut fuselage sides accurate die machine cut selected woods complete rolled plans hardware detailed instructions piece wing spruce spars strength simplicity building IIAVEY YSTEMS i oRPoRATION Special Combo Price 675 TOWER LANE WEST CHESTER PA 19380 215-430-8645 Robbe Modelisport keeping German tradition big beautiful Scale Sailpianes Robbes latest offering 35meter 137-in ASW-24 full-size Schleicher Standard Class 15-meter span ship has just come market 24 features latest double-trapezoid wing geometry ie double sweepback tip leading edges model employs F3B-proven Quabeck HQ-30113 airfoil should give excellent performance wide speed range fuselage made unbreakable Plura molded white plastic foam wings tail balsa covered need cover balsa parts install radio kit $27995 may first sound like lot consider scores hours work kit like saves price actually quite reasonable Also hav ing everything factory made ensures ac curate machineand will fly cor rectly Incidentally Sailplanes can launched electric motor Robbe sells 10-cell electric flight set plane Robbe Germanys large full-line model manufacturers addition glid ers make power planes cars boats kinds accessories catalog veritable bonanza gorgeous toys Id recommend sending $600 Robbe get full catalog Address 180 Town ship Line Rd Belle Mead NJ 08502 buy over $50 worth products $6 deducted way Frank Heinrich Robbes US manager told Robbe factory near Fulda often go over Wasserkuppe test Sailplanes Howd like work Sig Mfg Co Mike Pratt has enlarged Sigs Two Meter Riser nice looking 100-inspan Sailplane said very easy build aimed beginner inter mediate flier Riser 100 should prove popular maln kit category now venerable Oly II has Lite Ply fuse lage sides Eppler 205 airfoil two-piece wing optional though highly recom mended spoilers space stan dard size servos beginner ser vos come sets could start Riser 100 having buy mini servos Riser 100 lists $5995 Also featured Sig both new Easy Hinges such simple looking items easy overlookbut terrific 12 thousandths inch thick Mylar special wicking coat install just cut thin slot surface say rudder fin assemble surfaces hinges place put drop two thin cyanoacrylate glue CyA both sides hinge CyA wicks balsa its impossible pull out hinges After CyA has hardened just wiggle surfaces CyA ex posed part hinge pops off make neat tidy sell $295 24 Top Flite Sailplane kits remain 56-in Wristocrat Two Meter Metric 100-inspan Antares Scott Christenson anticipates kitting Astro Cobalt 035-powered Pha soar soon Its wing similar Wristo crat fuselage tail different ought just ticket getting few flights during lunch hour Yorkshire Enterprises Canada North American agent Sailplanes International British Sailplane kit man ufacturer SI has line about 10 Gliders especially nice slope planes can ar range Stuart Pearce have SI kit shipped direct Britain ex ample 100-in -span Garth shown photo Stu Jack Nunn will come over about $14500 Stuart can probably help obtain other goodies Britain Contact him 40 Holgate St Barrie Ont Canada [AN 2T7 tele phone 207 726-6208 Other Exhibitors Kraft Midwest youre like still rely old Kraft radios youll want know Pete Waters specializes Kraft parts service Hell also repair con vert other brands Petes address 117 East Main Northville MI 48167 tele phone 313 348-0085 LSF NSS League Silent Flight Continued page 139 August 1988 135 THE WORLD IS FLYING 1N RED DEER IN 1988 AUGUST 1 13th ORLD CHAMPIONSHIP AND YOU CAN BE PART OF THIS WORLD CLASS EVENT BY OWNING YOUR OWN SET OF OFFICIAL COMMEMORATIVE PINS POPULAR AVIATION ARTIST JOHN P FERGUSON HAS DESIGNED SEVEN PINS EXCLUSIVELY FOR WAC 88 DEPICTING THE OFFICIAL LOGO AND SIX COMPETING COUNTRIES THIS BEAUTIFUL FRAMED SET CAN BE YOURS FOR ONLY US $4995 AS UONUS EACH ORDER WILL RECEIVE THREE ADDITIONAL COLLECTOR PINS FROM THE INTERNATIONAL FESTIVAL OF FLIGHT THESE FULL COLOR CLOISONNE PINS ARE OF SUCH HIGH QUALITY THAT WE ABSOLUTELY GUARANTEE YOUR SATISFACTION OR YOUR MONEY BACK Ehe authorized WAC88 pins available HOW TO ORDER SEND MO VISA MASTER CARD OR AMERICAN EXPRESS TT cRESTWOOD EMBLEMS PO BOX BOBS STN C EDMONTON ALBERTA CANADA T5B 4K6 US$4995 FOR EACH SET PLUS US$300 FOR POSTAGE AND HANDLING Toledo/Blakeslee Continued page 135 Ehe National Soaring Society again shared booth LSF just elec tion new officers hand President Bob Steele VP Ray Hayes Secre tary Jim Martin Treasurer Susie Lipp Representing NSS President Pete Carr DistricE Ill VP Ed Lightcap Sailplane community indeed fortu nate have such capable people serving both organizations group has exciting plans make Soaring bigger better us keep name LSF mailing list send card PO Box 647 Mundelein IL 60060 Bob Steeles address 10173 St Joe Rd Ft Wayne IN 46835 telephone 219 485-1145 youd like NSS info write Pete Carr 329 Little Ave Ridgeway PA 15053 telephone 814 772-4851 Magazines American model maga zines hand plus two British pub lishers Since probably already know about American ones Ill just say few words about British mags Argus Specialist Publications puts out two magazines interest Sailplaners Ra dio Control Models Electronics Ra dio Modeler used available through AMA just read ar rangement being dropped So now well have send checks directly Argus PO Box 35 Wolsey House Wolsey Road Hemel Hempstead Hertfordshire HP2 4SS England RM $3000 per year RCM&E $3100 Radio Control Model World easier deal because Traplet Publications has US office RCMW joy read maialy because Soaring column writ ten Sean Walbankalso White Sheet newsletter fame Sean corresponds about half Soaring clubs world material covers wide range ledo Special price $3000 per year tell BB sent shoald OK Write Traplet Distribution USA 1635 Wade Dr Paso Robles CA 93446 telephone 805 239-0997 Scale Model Research Bob Banka busy one-armed paper hanger selling Foto-Paaks Scale interest surging color pictures need finishing documentation Foto-Paaks contain 10 28 color shots air plane particular type Bob has Paaks 57 different Sailplanes 19 motor glid ers adding new ones time its good inquire hearts desire availableor coming SMRs address 2334 Ticonderoga Way Costa Mesa CA 92626 telephone 714 979-8058 Space Case easy-to-remember name line plastic cases can custom designed hold protect thing transmitters complete planes Space Cases also popular RC car crowd power fliers railroad ers 1987 US F3B Team used Space Cases planes winches other stuff Everything went Germany back fine shape Suggest contact Ma trix Enterprises 7015 Carroll Rd San Diego CA 92121 telephone 619 4509509 SR Batteries Larry Sribnick guy can supply nickel-cadmium pack might needbe transmitter re ceiver electric motor something else SR first offer high capacity packs will still custom make sort pack specifications Cells packs guaranteed form memory Larry says response customer demand single source batteries accessor ies now stocking high quality charg ers connectors motors hookup wire etc good service because beginners experts too often confused about batteries chargers full info send 45C pre-addressed return envelope SR Box 287 Bellport NY 11713 telephone 516 286-0079 Sailplane static competition seven Sailplanes enteredand two powered Come Sailplaners Lets show em beauties next year Mark Kummerow Chicago won second straight yearboth years flying wings Last year 200-in Ultra saur year 168-in PetraSaur inspiration both plane Gene Dees Icarosaur specs PetraSaur 168 span 11 chord 2070 sq area E-174/HQ 0010 airfoils 29 sweep 50 washout 10 dihe dral 15 winglet span 514 chord 80 sq area NACA 0009 airfoil 10 lb weight three channels controlling elevons flaps Construction foam carbon fiber balsa plywood spruce Ultracote MonoKote EconoKote Well done Mark Howd Ultrasaur go Second place went Troy Lawickis nicely finished Fiesta Multiplex kit third place new LSF trea surer Susie Lipp beautiful Windsong Susies ship has over 100 flights it looks better new ones Cant stand Radio Technique/Myers Continued page 43 SD 57013 605/987-5924 basic thing know about TRC Fast Charger thao monitors rate-of-change voltage pack being charged shuts off 1 detects quick voltage rise typical siEuatlon pack fully charged gas bubbles starting form 2 detects quick voltage drop typical fully charged cell going overcharge Because uses voltage-change monitoring does depend measuring absolute voltage TRC Fast Charger doesnt care cells pack same reason will fully charge cells old have high resistance certain cells havent charged couple months Try slow charging scrap have early model TRC Fast Charger can fooled shutting off before pack fully charged An easy way fool charger move around battery leads during charging session start prob ing around circuit voltmeter either procedures will cause enough change contact resistance present itself voltagechange monitoring circuit abrupt voltage rise drop Charging stops automatically Later models have desensitized ignore abrupt voltage changes Actually prefer charger shut off too soon action causes undercharging easily rectified Assuming know pack being charged exhausted know nominal capacity cell August 1988 139
Edition: Model Aviation - 1988/08
Page Numbers: 38, 39, 40, 41, 131, 132, 134, 135, 139
At umnist takes us Byron Blakeslee 0 Sailpianes Come along ride Toledo through thermals years resident Soaring col Toledo Expo Top The usual zoo Toledo helium balloon being flown designer/builder George Steiner Its two tiny electric motors pivot move balloon direction Left Designer Mike Pratt proudly hoids new Sig Riser 100 Standard Ciass version 2-meter Riser well suited Soaring trainer Right Rol Klingberg holds flying wing Gary Anderson American Sailplane Designs looks 38 Model Aviation THE FOURTEENTH running ledo RC Exposition held April 8-10 Sports Center Again weather quite nice Stories about terrible Toledo weather always Attendance very heavy crowds appeared about same last years record Judg ing eager lookers RC indus try very much alive well Modelers go Toledo spring find out whats new general RC show phases activity repre sented manufacturer distributor displays powered aircraft Pattern sport Scale planes represented biggest part RC cars second boats third Strangely anyway Id guess Sailplanes Helicopters about tied fourth find peculiar because owing number Sailplane kits sold number Soaring clubs country would think number Sailplane ven dors would rank higher Could just buy fewer companies As what new Sailplanes Bob Sealys 129-in Ultima Klingberg 78-in Flying Wing completely new kits new Sig Riser 100 enlarge ment Two Meter ship Gold bergs new Sophisticated Lady develop ment ubiquitous Gentle Lady Most excitement show year centered around announcement new microprocessor computer chip radios Airtronics Futaba ra dios along JR Galaxy Multi plex Royal already mar ket will surely radios future sophisticated Sailplanes list should added microprocessor conversions Emulation Electronics Control Systems Laboratories com panies sell replacement encoder circuits will convert older radios say Futaba Conquest equivalent $1000 ra dio beauty new computer radios can buy generic aircraft set opposed helicopter custom program specialized Sail plane tricks desire can mix rud der ailerons elevator flaps flaps ailerons etc Basically can mix anything anything else lend some coherence presenta tion Ill divide three parts Part 1 will cover new radios Part 2 will Sailplanes Part 3 will discuss thing else Before getting what saw trend thats becoming important Id like mention consideration growing interest Sailplanes launched electric motors No Im talking about electric winches mean electric mo tors propellers isnt new youre thinking may subtle difference past Electric planes just Electric planes idea now coming around using motor get plane up can soar extra weight motor system has often found help rather hindrance soaring Modern August 1988 39 Frank Heinrich Robbe Model Sport shows off new 137-in-span ASW-24 Scale Sailplane features unbreakable plastic fuselage balsa-covered foam wings gorgeous model should terrific flier Steve Helms shows us Futabas new PCM 1024 Computer Series 9-channel transmit ter system has real time response stepless servo action Available midsummer Bob Henaud witfl tne prototype ot Alrtron Ics new microprocessor transmitter system should available later sum mer will list $500 four servos Mr SR Batteries himself Larry Sribnick addition extensive line batteries Larry now handling chargers motors kinds essential Electric flight items winning model Sailplane competition 168-in-span Pterasaur built Mike Kummerow second year row Mike has taken home trophy Congrats Left Bob Sealy holds new 129-in fiberglass Ultima Should great model looking get competition See text what Bob up Right Susie Lipp Windsong took 3rd Sailplane competition winning new Airtronics radio Left Theres good chance Bob Banka can provide scale documentation need Call Scale Model Research 714 979-805 find out Right Top Flites Scott Christensen displays Phasoar 60-in Electric Astro 035 Cobalt Look new kit very near future Sailpianes moving faster-strongerheavier philosophy anyway Purists will nat urally insist pure Sailplane fliers cant locate field big enough winch hi-start electric motor launching makes lot sense Id happy hear what readers think about can kick around regular monthly RC Soaring column Radios Airtronics big news new yet unnamed six-channel microprocessor PCM set will list $500 four ser vos Sanwa Japan will make exclu sively Airtronics should out about midsummer will have capabil ity mixing three channels other three can get mixing flap erons spoilerons elevons V-tail elevator flaps rudder ailerons etc can get elevator preset trim aileron dif ferential both flaperon spoileron modes has other usual features like dual rate adjustment adjustable exponential rate tied dual rate end point adjust ment channels built-in voltage regulation Airtronics recently introduced new Spectra PCM seven-channel Quantum PCM eight-channel radios very good sets listing $600 $800 re spectively puts above new sixchannel computer radio may adaptable Sailplanes guess can tell Im anxious try new six-channel set Futaba showed new nine-channel 1024 PCM/PPM microprocessor radio should available midsummer will mix four channels other four can programmed up six indi vidual planes fly six planes transmitter just tell plane want fly computers memory will recall trim settings partic ular transmitter programmed press ing buttons bottom front case large LCD display window shows graphic representation Pattern plane guess can live help show whats happening set has rest modem conveniences could expected top-of-the-line radio like will list $1000 four ser vos JR Propo showed extensive line ra dios including microprocessorcontrolled Galaxy Computer 8 set has available about year has re ceived excellent comments fliers have flown eight-channel set will mix four channels including flaperons V-tail can store trim data seven different planes As usual Galaxy 8 available Pattern Helicop ter versionsthe Pattern set selling $57999 four servos direct Cir cus Hobbies latest news JR Propo now ing handled Hobby Dynamics dis tributor local dealers JR company Japan Remote Control very large fac tor worldwide RC sales hasnt pene trated US market mail order sell ing much might have local dealers JR makes extremely sophisticated radios Graupner Germany radios made Graupners specifications normal European frequency spacing receivers can cope transmissions just 10kHz apart Consequently JR should 40 Model Aviation U Left Alan Berg L Michael Anderson Matrix Enterprises can provide case safeguard Vour models other items Right Stuart Pearce Jack Nunn representing Yorkshire Enterprises Canada model 100-ln-span Garth made Saliplanes International Left Three League Silent Flights new officers L-R VP Ray Hayes Treasurer Susie Lipp President Bob Steele Theyre ded icated revitalizing LSF want hear Right John Foltu JM Glascraft D version popular Penetrator Slope shIp have no trouble Us 1991 specs call ing RC frequencies 20kHz apart commercial users sandwiched betweenso effectively need 10kHz protection wonder JR Propo will bring some Graupner sets sale Likely will expensive have features gung-ho F3B flier could possibly hope Emulation Electronics Perhaps saw three-part article RC Modeler called Hi Tech Encoder written brothers Martin Tom Hendrickson Tim Ahrens about converting AM FM PPM transmitter use Moto rola microprocessor chip encoding Hendricksons have now gone produc tion selling complete printed cir cuit encoder board do-it-yourself model ers want very sophisticated radio reasonable price Basically what throw away everything inside transmitter except RF section wire up brothers 3 x 45-in PC board board designed drop Futaba Conquest can eas ily adapted other transmitters will work four- eight-channel radios can mix five channels can store data four planes Hendricksons have incorporated unique feature design called autotrim way works Assume flying along holding up-trim keep plane diving autotrim need press hold button computer will gradually like Continued page 131 August 1988 41 Larry King displays new Sophisticated Lady Carl Goldberg Models two-meter ship update wing same companys highly successful Gentle Lady Safety/Preston Continued page 22 either kites model airplanes near airports kite question reported glider-type kite 12-ft wingspan being flown 200-lb-test nylon line about two miles Palo Alto CA airport An eight-year-old girl flying kite father Rockwell Turbo Commander re ported flying altitude 800 ft snagged line newspaper reported girl dragged about 100 ftover fathers head almost tree before let go line Fortunately seri ously injured may freak accident Ive never before heard full-scale aircraft snagging kite string am using story stress im portance avoiding model flying areas low-flying full-scale aircraft may encoun tered FAAs Model Aircraft Operating Standards state fly higher 400 ft above surface operate closer three miles boundary airport unless permitted appropriate air traffic control facility airport manager Have safe month Taylorcraft/Shepherd Continued page 37 One-off fiberglass cowlings can made using styrofoam mold two coats one-hour epoxy shown ouflines plan prefer purchase yours high-quality cowls available Fiber glass Master Dept MA Rt 1 Box 530 Goodview VA 24095 Telephone 1-703890-6017 Both T-Craft models given polyure thane finishes good results clipped-wing version used Pactra Tropic Blue Dark Blue doctoring Sil ver Metallic get right shade stan dard model successfully finished Red Devil gloss spray cans Since know no hobby outlet source paint purchased local lumberyard cabins both models finished fair degree realism want go whole nine yards detailing cabin interior follow basic scale ratio two inches foot dual project brought lot en joyment Im confident will same whether build clippedwing standard version both Toledo/Blakeslee Continued page 41 three seconds reset elevator neutral trim spot holding Isnt science wonderful Trim pots can still used also Programming done button lights mounted right PC board Hi Tech Encoder available directly Hendricksons $175 plus $5 ship ping Address 2206 5 Lynn Urbana IL 61801 telephone 217 344-8740 Sailpianes Ace RC Bad news Im afraid Ace planning come out Leon Kincaids three-meter Scooter season cause expanding plant will de layed until later Scooter should kit worth waiting stay tuned Airtronics Sailplane line continues Oly 600 Oly II Sagitta Cumic Cumic Plus latest kit Two Meter Electric called Eclipse has allbuilt-up construction three-piece wing comes two kit versions stan dard deluxe latter includes motor 31 gear reducer folding propeller cluding whole works except motor Ni-Cd pack charger good idea cause beginners neednt worry about match ing components Tim Renaud working new Sail plane called Image will wood 100-in-span three-piece wing ailerons niche plane like believe fliers want step up Oly II try ailerons dont want go straight expensive glass/foam kits Image probably wont available until Christmastime Continued page 132 August 1988 131 fill Y16-in balsa sanded fair wire Cover landing gear finish nitrate dope SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049 051S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS & GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES ALSO COMPLETE LINE OF RACING PARTS - GLO-BEE FIREBALL & K&B PLUGS SOLID LINES RACING WHEELS QWCK FILLS ETC WE ALSO STOCK CARBON FIBER KLOTZ OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP RUBBER BANDS KSB SEELIG & IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS EVERYTHING YOU NEED FOR OLD TIMER EVENTS 132 Model Aviation American Sailplane Designs Gary Ander son San Diego proprietor company its aim source US-made Sailpianes especially unusual ones Soaring accessories Toledo Gary featuring Kling berg Wing really neat 78-in-span flying wing all-built-up construction selling like hot cakes $3995 story designer wing Rol Klingberg aerodynamicist living Sunnyvale CA working continuations Horten brothers flying wing theories purpose de sign 38-ft -span foot-launched pilotcarrying wing no vertical surfaces ing prudent person Rol built RC model make sure wing flew much interest modelers wing Rol decided produce kit Several hundred Klingberg Wing kits have sold Rol said con tinually amazed eager response Sailplaners can get mail American Sailplane Designs 2626 Coro nado Ave #89 San Diego CA 92154 tele phone 619 429-8281 youre send $300 Gary will forward com plete catalog feel up largest Scale Sailplane can buy Gary produc ing -scale ASW-20 kit form erly made Mark Smith big five meters wingspan 16 pounds weight Gary also has source obechi wing skin wood may come about 50 per sq ft can place large enough order Check Gary need some Bob Martin news will back Duralene fuselage production summer famous Coyote SR-7 slope ships will available again end summer should brand new Katie II also unbreakable Duralene fuselage should good ship trodiicing beginners wonderful world Slope Soaring plastic fuselages ideal slope planes because ten have contend rocks other un pleasantness landings Duralene about indestructible baseball bat can bounce off boulders oaly smudge show Bob also plans get clas sic Hobie Hawk back production Christmas will bring back memories lot us Bob Sealy Quality Fiberglass Bobs new 129-in-span Ultima design really beau ty should popular contest fliers has Bobs usual high quality epoxy/glass fuselage incorporates very practical slip-on nose cone fuselage made two halves has slip joint just behind wing builder needs glue parts gether fill joint will require bit work usual fuselage should safer shipment balsasheeted foam wing uses Selig 4061 airfoil three pieces center section flat bolts atop fuselage single 1420 nylon screw center has spruceand-ply box spar Bob says part bul let proof tip sections plug center panel using A-in steel joiner rods tip planform has trendy double taper leading edge sweepback allflying T-tail stabilizer screw-attached rocking mechanism atop fin Stabilizer drive via steel cable nylon tube Dry weight about 80 oz 1254 sq wing dry loading 92 oz per sq ft Bob has prototype set up using three servos coupled aileron rudder eleva tor flaps Ailerons driven bellcranks fuselage bellcranks end center section Fliers hightech radios could easily install separate ser vos aileron another rud der butterfly flaps down aile rons up could used landings Bobs factory-direct price complete kit cluding wood $18900 Bobs booth also included Javelin fly ing wing has no vertical surfaces kit sells $3900 big crosscountry kit Constellation really stood out too has 167-in span also uses Selig 4061 airfoil section wing balsa-covered foam incorporates both flaps spoilers nice fiberglass fu selage price $22750 ship becoming very popular X-C fliers Bob says will moving Nashville soon will concentrating kit manu facturing expects cut back sub stantial array epoxy-glass fuselages has making can reach Bob 521 96th Lane NE Blame MN 55434 tele phone 612 780-2737 Carl Goldberg Models Sophisticated Lady new plane CG Its heritage Gentle Lady similar wing everything else new has T-tail beefed up widened fuselage clear canopy detailed cockpit pilot overall effect sexy looking Two Meter ship thats sure appeal buy ers looking realistic looking trainer Also available Electric power pod bands above wing on/off servo switch pod battery goes inside fuselage So phisticated Lady priced $5499 power pod $3999 CG has taken over distribution Model Magic Filler Epoxy Plus both excellent products probably will find greater modeler acceptance Goldberg name behind Magic Filler creamy spackle good filling small holes making fillets sands nicely quite strong Epoxy Plus filled two-part white epoxy 25% lighter flexible regular epoxy adhesives can used just about application would use epoxy can sanded carved easier Pot life 8 mm being filled tends stay put Both products worth try Davey Systems Ted Davey started kit manOUR REV-UP INVENTORY AVERAGES OVER 9000 PROPS I! CALL FOR IMMEDIATE SHIPMENT ON VISA OR MASTERCARD ORDER BY MAIL OR PHONE 619728-4365 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRES INVITED MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 ORflFfl UIDDCfl IAIITUIAI 24 HOURS 6% TAX have long liked heavier faster efficient Sailplanes typical kit has fiberglass plastic fuselage balsaor obechi-covered foam wings aile rons very good slope flying boot fliers finding extra weight isnt detriment thermal flying planes allowed use higher cruis ing speed cover sky find lift Further though planes flying faster efficiency allows sink slowly slowly floater Consequently starting same launch height zero-lift air heavy Sail plane could well have longer flight times Dynaflite combination Mark Smiththan lightweight ship Models Craft Air Jemco Mark Jim especially enthused about new person did have new Sail-electric motor unit Graupner has planes What newsworthy numberbelt reducer shaft extension folding prop oldies goodies Mark still hasand spinner can use eight 12 available growing interest Vin-cells power unit less battery sells tage RC Gliders say pre-1975 Dyna-for $6900 Jim says unit flute catalog contains Marks original Wind-new Graupner ASW-22B will ideal free Tom Williams Windrifter Davewill launch p ane twice Thornbergs Bird Time bit mod-charge over winch launch height ex em Blame Rawdons Mirage Dicktra weight doesnt harm performance Odles RO-8 kits have lot ofcause plane flies best ballast anynostalgia themway free catalog available HL Dynaflite selling almost-ready-to-flywriting 5614 Franldin Pike Cir ARF Wanderers Piece 0 Cakes Acle Brentwood TN 37027 telephone 615 clever idea POC instructions373-1444 Wait until see ne showing kids take motor ra-Graupner four-meter Grob Twin Acro dio correct frequency theirScale Sailplane What beautyand electric-powered car install same the$83500 glider just slap propeller go flying Dynaflites address PO Box 1011 San Marcos CA 92069 telephone 619 744-9605 Hobby Lobbys Jim Martin guy really excited about electric-motor launch ing Sailplanes Jim imports Graup ner line Sailplanes accessories familiar what happening Eu rope especially Germany Germans Hobby Shack imports lot ARF planes few Gliders Electrics New year 72-in-span Elec 1800 EZ Company Japan comes com plete motor gear drive prop $18000 Just drop radio seven-cell pack go flying Fly does said John Lupperger another example weight speed compete effec tively traditional floaters ufacturing Sailpianes has now grown big line power kits Sail plane kits remain Prophet Two Meter 100-in sizes 15-meter Ariel hand launching slope thermal fly ing Ted says still has some neat lit tle Sport Winches hand minia ture winches use motorcycle battery Its just ticket need carry equipment long way complete set cluding line parachute turnaround $23495 plus UPS address Davey Systems 675 Tower Lane West Chester PA 19380 telephone 215 430-8645 JM Glasscrafts John Foitu says beauti ful little 48-in-span Penetrator selling like crazy especially California semiscale P-s 1 glass/foam kit dynamite slope horrors glow engine year its D ver sion ie clear canopy instead fastback Its really pretty basic kit $5400 plus $400 D version de luxe kit includes wood hardware $7650 plus $4 D Add $300 shipping want something especially cute about five-eights-size Penetrator called Pee Wee Penetrator has 28in span John says flies great Need less say micro-size radio components required fit nicely basic deluxe kits $3800 $5250 respectively postpaid Contact John 30820 Mayflower Roseville MI 48066 telephone 313 773-7069 Model Engineering Norwalk 14EN Jerry Jarvis Sailplane kit Gob bler won F3B World Champion ship Dwight Holly 1981 Technology has course advanced since Gobbler would still fine club Divi sion II under 12 oz/sq ft wing loading F3B competition MEN source high quality mandrelformed extruded hi-start rubber Jerry has 100-ft lengths light %2 $3895 medium /t6 $4110 heavy % $5770 super heavy 34 $8190 approximate pounds pull size 200% stretch double un stretched length 7 9 12 17 respec tively Jerry has developed some neat acces sories hi-starts especially like gad get slips ends rubber provide ring swivel Costs $300 worth MENs address 54 Chestnut Hill Norwalk CT 06851 134 Model Aviation MODELERS FIGHT-BACK / TRUE-FACTS NEWSLETTER Tired being ignored editors Fed up never having questions answered EIGHT BACK Join us letter year reader written publication open letter communication between fellow medelers RIC infreeflight good thing NATS east Mississippi Noise limits models flying Sites What fair insurance what risks ALL LETTERS PUBLISHED $300 recieve copy $550 pub letter & copy $1950 4 issues & letters 1 yr Quarterly July OctJsn.April THE PTERANODON PRESS PO Box 3sss OAKLAND CA 54t59 SBus CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get prolected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises 2540 RIDGE ROAD LANSING ILLINOIS 60438 P S Send catalog modelers safely supplies ifi-TECH ENCODER microprocessor based encoder board designed replace encoder board Futaba Conquest Ace Silver Seven transmitters compatible other AM FM radios market FEATURES complete calibration system trimpots stores calibration constants four aircraft maintained during power off can mix firat five channels other first five channels inS variety configurations exponential trim five strengths mixing expo trim can tamed off duristg flight control trim thronle cut-off dual-rates servo reversing outputs four eight channels POWER REQUiREMENTS 32ma @ 96vdc SIZE 3 x45 x75 inches SEND $400 installation operation manual oaly $17500 completely assembled tested encoder installation operation manual Please stare transmitter model nuntber channels Add $500 shipping handling EMULATION ELECTRONICS 2206 S Lynn Urbana 1L61801 217344-8740or217-4897647 IIAVEYYSTEMS Luci lER 075 HYPERIHRUSI motor fused switch harness propeller adaptor 8/ 4 fibreglass propeller LUCIFER has computeroptimized E-193 airfoil superb L/D tremendous speed range ideally suited fliers because its inherent stability enough flat-bottom wingSIZED TO FL floaters barely stagger up a____________________ couple hundred feet Build LUCIFER enjoy performance thQt expectl Big enough fly like sailplane should small enough repeatedly climb Pin-Head altitude battery charge Pre-cut fuselage sides accurate die machine cut selected woods complete rolled plans hardware detailed instructions piece wing spruce spars strength simplicity building IIAVEY YSTEMS i oRPoRATION Special Combo Price 675 TOWER LANE WEST CHESTER PA 19380 215-430-8645 Robbe Modelisport keeping German tradition big beautiful Scale Sailpianes Robbes latest offering 35meter 137-in ASW-24 full-size Schleicher Standard Class 15-meter span ship has just come market 24 features latest double-trapezoid wing geometry ie double sweepback tip leading edges model employs F3B-proven Quabeck HQ-30113 airfoil should give excellent performance wide speed range fuselage made unbreakable Plura molded white plastic foam wings tail balsa covered need cover balsa parts install radio kit $27995 may first sound like lot consider scores hours work kit like saves price actually quite reasonable Also hav ing everything factory made ensures ac curate machineand will fly cor rectly Incidentally Sailplanes can launched electric motor Robbe sells 10-cell electric flight set plane Robbe Germanys large full-line model manufacturers addition glid ers make power planes cars boats kinds accessories catalog veritable bonanza gorgeous toys Id recommend sending $600 Robbe get full catalog Address 180 Town ship Line Rd Belle Mead NJ 08502 buy over $50 worth products $6 deducted way Frank Heinrich Robbes US manager told Robbe factory near Fulda often go over Wasserkuppe test Sailplanes Howd like work Sig Mfg Co Mike Pratt has enlarged Sigs Two Meter Riser nice looking 100-inspan Sailplane said very easy build aimed beginner inter mediate flier Riser 100 should prove popular maln kit category now venerable Oly II has Lite Ply fuse lage sides Eppler 205 airfoil two-piece wing optional though highly recom mended spoilers space stan dard size servos beginner ser vos come sets could start Riser 100 having buy mini servos Riser 100 lists $5995 Also featured Sig both new Easy Hinges such simple looking items easy overlookbut terrific 12 thousandths inch thick Mylar special wicking coat install just cut thin slot surface say rudder fin assemble surfaces hinges place put drop two thin cyanoacrylate glue CyA both sides hinge CyA wicks balsa its impossible pull out hinges After CyA has hardened just wiggle surfaces CyA ex posed part hinge pops off make neat tidy sell $295 24 Top Flite Sailplane kits remain 56-in Wristocrat Two Meter Metric 100-inspan Antares Scott Christenson anticipates kitting Astro Cobalt 035-powered Pha soar soon Its wing similar Wristo crat fuselage tail different ought just ticket getting few flights during lunch hour Yorkshire Enterprises Canada North American agent Sailplanes International British Sailplane kit man ufacturer SI has line about 10 Gliders especially nice slope planes can ar range Stuart Pearce have SI kit shipped direct Britain ex ample 100-in -span Garth shown photo Stu Jack Nunn will come over about $14500 Stuart can probably help obtain other goodies Britain Contact him 40 Holgate St Barrie Ont Canada [AN 2T7 tele phone 207 726-6208 Other Exhibitors Kraft Midwest youre like still rely old Kraft radios youll want know Pete Waters specializes Kraft parts service Hell also repair con vert other brands Petes address 117 East Main Northville MI 48167 tele phone 313 348-0085 LSF NSS League Silent Flight Continued page 139 August 1988 135 THE WORLD IS FLYING 1N RED DEER IN 1988 AUGUST 1 13th ORLD CHAMPIONSHIP AND YOU CAN BE PART OF THIS WORLD CLASS EVENT BY OWNING YOUR OWN SET OF OFFICIAL COMMEMORATIVE PINS POPULAR AVIATION ARTIST JOHN P FERGUSON HAS DESIGNED SEVEN PINS EXCLUSIVELY FOR WAC 88 DEPICTING THE OFFICIAL LOGO AND SIX COMPETING COUNTRIES THIS BEAUTIFUL FRAMED SET CAN BE YOURS FOR ONLY US $4995 AS UONUS EACH ORDER WILL RECEIVE THREE ADDITIONAL COLLECTOR PINS FROM THE INTERNATIONAL FESTIVAL OF FLIGHT THESE FULL COLOR CLOISONNE PINS ARE OF SUCH HIGH QUALITY THAT WE ABSOLUTELY GUARANTEE YOUR SATISFACTION OR YOUR MONEY BACK Ehe authorized WAC88 pins available HOW TO ORDER SEND MO VISA MASTER CARD OR AMERICAN EXPRESS TT cRESTWOOD EMBLEMS PO BOX BOBS STN C EDMONTON ALBERTA CANADA T5B 4K6 US$4995 FOR EACH SET PLUS US$300 FOR POSTAGE AND HANDLING Toledo/Blakeslee Continued page 135 Ehe National Soaring Society again shared booth LSF just elec tion new officers hand President Bob Steele VP Ray Hayes Secre tary Jim Martin Treasurer Susie Lipp Representing NSS President Pete Carr DistricE Ill VP Ed Lightcap Sailplane community indeed fortu nate have such capable people serving both organizations group has exciting plans make Soaring bigger better us keep name LSF mailing list send card PO Box 647 Mundelein IL 60060 Bob Steeles address 10173 St Joe Rd Ft Wayne IN 46835 telephone 219 485-1145 youd like NSS info write Pete Carr 329 Little Ave Ridgeway PA 15053 telephone 814 772-4851 Magazines American model maga zines hand plus two British pub lishers Since probably already know about American ones Ill just say few words about British mags Argus Specialist Publications puts out two magazines interest Sailplaners Ra dio Control Models Electronics Ra dio Modeler used available through AMA just read ar rangement being dropped So now well have send checks directly Argus PO Box 35 Wolsey House Wolsey Road Hemel Hempstead Hertfordshire HP2 4SS England RM $3000 per year RCM&E $3100 Radio Control Model World easier deal because Traplet Publications has US office RCMW joy read maialy because Soaring column writ ten Sean Walbankalso White Sheet newsletter fame Sean corresponds about half Soaring clubs world material covers wide range ledo Special price $3000 per year tell BB sent shoald OK Write Traplet Distribution USA 1635 Wade Dr Paso Robles CA 93446 telephone 805 239-0997 Scale Model Research Bob Banka busy one-armed paper hanger selling Foto-Paaks Scale interest surging color pictures need finishing documentation Foto-Paaks contain 10 28 color shots air plane particular type Bob has Paaks 57 different Sailplanes 19 motor glid ers adding new ones time its good inquire hearts desire availableor coming SMRs address 2334 Ticonderoga Way Costa Mesa CA 92626 telephone 714 979-8058 Space Case easy-to-remember name line plastic cases can custom designed hold protect thing transmitters complete planes Space Cases also popular RC car crowd power fliers railroad ers 1987 US F3B Team used Space Cases planes winches other stuff Everything went Germany back fine shape Suggest contact Ma trix Enterprises 7015 Carroll Rd San Diego CA 92121 telephone 619 4509509 SR Batteries Larry Sribnick guy can supply nickel-cadmium pack might needbe transmitter re ceiver electric motor something else SR first offer high capacity packs will still custom make sort pack specifications Cells packs guaranteed form memory Larry says response customer demand single source batteries accessor ies now stocking high quality charg ers connectors motors hookup wire etc good service because beginners experts too often confused about batteries chargers full info send 45C pre-addressed return envelope SR Box 287 Bellport NY 11713 telephone 516 286-0079 Sailplane static competition seven Sailplanes enteredand two powered Come Sailplaners Lets show em beauties next year Mark Kummerow Chicago won second straight yearboth years flying wings Last year 200-in Ultra saur year 168-in PetraSaur inspiration both plane Gene Dees Icarosaur specs PetraSaur 168 span 11 chord 2070 sq area E-174/HQ 0010 airfoils 29 sweep 50 washout 10 dihe dral 15 winglet span 514 chord 80 sq area NACA 0009 airfoil 10 lb weight three channels controlling elevons flaps Construction foam carbon fiber balsa plywood spruce Ultracote MonoKote EconoKote Well done Mark Howd Ultrasaur go Second place went Troy Lawickis nicely finished Fiesta Multiplex kit third place new LSF trea surer Susie Lipp beautiful Windsong Susies ship has over 100 flights it looks better new ones Cant stand Radio Technique/Myers Continued page 43 SD 57013 605/987-5924 basic thing know about TRC Fast Charger thao monitors rate-of-change voltage pack being charged shuts off 1 detects quick voltage rise typical siEuatlon pack fully charged gas bubbles starting form 2 detects quick voltage drop typical fully charged cell going overcharge Because uses voltage-change monitoring does depend measuring absolute voltage TRC Fast Charger doesnt care cells pack same reason will fully charge cells old have high resistance certain cells havent charged couple months Try slow charging scrap have early model TRC Fast Charger can fooled shutting off before pack fully charged An easy way fool charger move around battery leads during charging session start prob ing around circuit voltmeter either procedures will cause enough change contact resistance present itself voltagechange monitoring circuit abrupt voltage rise drop Charging stops automatically Later models have desensitized ignore abrupt voltage changes Actually prefer charger shut off too soon action causes undercharging easily rectified Assuming know pack being charged exhausted know nominal capacity cell August 1988 139
Edition: Model Aviation - 1988/08
Page Numbers: 38, 39, 40, 41, 131, 132, 134, 135, 139
At umnist takes us Byron Blakeslee 0 Sailpianes Come along ride Toledo through thermals years resident Soaring col Toledo Expo Top The usual zoo Toledo helium balloon being flown designer/builder George Steiner Its two tiny electric motors pivot move balloon direction Left Designer Mike Pratt proudly hoids new Sig Riser 100 Standard Ciass version 2-meter Riser well suited Soaring trainer Right Rol Klingberg holds flying wing Gary Anderson American Sailplane Designs looks 38 Model Aviation THE FOURTEENTH running ledo RC Exposition held April 8-10 Sports Center Again weather quite nice Stories about terrible Toledo weather always Attendance very heavy crowds appeared about same last years record Judg ing eager lookers RC indus try very much alive well Modelers go Toledo spring find out whats new general RC show phases activity repre sented manufacturer distributor displays powered aircraft Pattern sport Scale planes represented biggest part RC cars second boats third Strangely anyway Id guess Sailplanes Helicopters about tied fourth find peculiar because owing number Sailplane kits sold number Soaring clubs country would think number Sailplane ven dors would rank higher Could just buy fewer companies As what new Sailplanes Bob Sealys 129-in Ultima Klingberg 78-in Flying Wing completely new kits new Sig Riser 100 enlarge ment Two Meter ship Gold bergs new Sophisticated Lady develop ment ubiquitous Gentle Lady Most excitement show year centered around announcement new microprocessor computer chip radios Airtronics Futaba ra dios along JR Galaxy Multi plex Royal already mar ket will surely radios future sophisticated Sailplanes list should added microprocessor conversions Emulation Electronics Control Systems Laboratories com panies sell replacement encoder circuits will convert older radios say Futaba Conquest equivalent $1000 ra dio beauty new computer radios can buy generic aircraft set opposed helicopter custom program specialized Sail plane tricks desire can mix rud der ailerons elevator flaps flaps ailerons etc Basically can mix anything anything else lend some coherence presenta tion Ill divide three parts Part 1 will cover new radios Part 2 will Sailplanes Part 3 will discuss thing else Before getting what saw trend thats becoming important Id like mention consideration growing interest Sailplanes launched electric motors No Im talking about electric winches mean electric mo tors propellers isnt new youre thinking may subtle difference past Electric planes just Electric planes idea now coming around using motor get plane up can soar extra weight motor system has often found help rather hindrance soaring Modern August 1988 39 Frank Heinrich Robbe Model Sport shows off new 137-in-span ASW-24 Scale Sailplane features unbreakable plastic fuselage balsa-covered foam wings gorgeous model should terrific flier Steve Helms shows us Futabas new PCM 1024 Computer Series 9-channel transmit ter system has real time response stepless servo action Available midsummer Bob Henaud witfl tne prototype ot Alrtron Ics new microprocessor transmitter system should available later sum mer will list $500 four servos Mr SR Batteries himself Larry Sribnick addition extensive line batteries Larry now handling chargers motors kinds essential Electric flight items winning model Sailplane competition 168-in-span Pterasaur built Mike Kummerow second year row Mike has taken home trophy Congrats Left Bob Sealy holds new 129-in fiberglass Ultima Should great model looking get competition See text what Bob up Right Susie Lipp Windsong took 3rd Sailplane competition winning new Airtronics radio Left Theres good chance Bob Banka can provide scale documentation need Call Scale Model Research 714 979-805 find out Right Top Flites Scott Christensen displays Phasoar 60-in Electric Astro 035 Cobalt Look new kit very near future Sailpianes moving faster-strongerheavier philosophy anyway Purists will nat urally insist pure Sailplane fliers cant locate field big enough winch hi-start electric motor launching makes lot sense Id happy hear what readers think about can kick around regular monthly RC Soaring column Radios Airtronics big news new yet unnamed six-channel microprocessor PCM set will list $500 four ser vos Sanwa Japan will make exclu sively Airtronics should out about midsummer will have capabil ity mixing three channels other three can get mixing flap erons spoilerons elevons V-tail elevator flaps rudder ailerons etc can get elevator preset trim aileron dif ferential both flaperon spoileron modes has other usual features like dual rate adjustment adjustable exponential rate tied dual rate end point adjust ment channels built-in voltage regulation Airtronics recently introduced new Spectra PCM seven-channel Quantum PCM eight-channel radios very good sets listing $600 $800 re spectively puts above new sixchannel computer radio may adaptable Sailplanes guess can tell Im anxious try new six-channel set Futaba showed new nine-channel 1024 PCM/PPM microprocessor radio should available midsummer will mix four channels other four can programmed up six indi vidual planes fly six planes transmitter just tell plane want fly computers memory will recall trim settings partic ular transmitter programmed press ing buttons bottom front case large LCD display window shows graphic representation Pattern plane guess can live help show whats happening set has rest modem conveniences could expected top-of-the-line radio like will list $1000 four ser vos JR Propo showed extensive line ra dios including microprocessorcontrolled Galaxy Computer 8 set has available about year has re ceived excellent comments fliers have flown eight-channel set will mix four channels including flaperons V-tail can store trim data seven different planes As usual Galaxy 8 available Pattern Helicop ter versionsthe Pattern set selling $57999 four servos direct Cir cus Hobbies latest news JR Propo now ing handled Hobby Dynamics dis tributor local dealers JR company Japan Remote Control very large fac tor worldwide RC sales hasnt pene trated US market mail order sell ing much might have local dealers JR makes extremely sophisticated radios Graupner Germany radios made Graupners specifications normal European frequency spacing receivers can cope transmissions just 10kHz apart Consequently JR should 40 Model Aviation U Left Alan Berg L Michael Anderson Matrix Enterprises can provide case safeguard Vour models other items Right Stuart Pearce Jack Nunn representing Yorkshire Enterprises Canada model 100-ln-span Garth made Saliplanes International Left Three League Silent Flights new officers L-R VP Ray Hayes Treasurer Susie Lipp President Bob Steele Theyre ded icated revitalizing LSF want hear Right John Foltu JM Glascraft D version popular Penetrator Slope shIp have no trouble Us 1991 specs call ing RC frequencies 20kHz apart commercial users sandwiched betweenso effectively need 10kHz protection wonder JR Propo will bring some Graupner sets sale Likely will expensive have features gung-ho F3B flier could possibly hope Emulation Electronics Perhaps saw three-part article RC Modeler called Hi Tech Encoder written brothers Martin Tom Hendrickson Tim Ahrens about converting AM FM PPM transmitter use Moto rola microprocessor chip encoding Hendricksons have now gone produc tion selling complete printed cir cuit encoder board do-it-yourself model ers want very sophisticated radio reasonable price Basically what throw away everything inside transmitter except RF section wire up brothers 3 x 45-in PC board board designed drop Futaba Conquest can eas ily adapted other transmitters will work four- eight-channel radios can mix five channels can store data four planes Hendricksons have incorporated unique feature design called autotrim way works Assume flying along holding up-trim keep plane diving autotrim need press hold button computer will gradually like Continued page 131 August 1988 41 Larry King displays new Sophisticated Lady Carl Goldberg Models two-meter ship update wing same companys highly successful Gentle Lady Safety/Preston Continued page 22 either kites model airplanes near airports kite question reported glider-type kite 12-ft wingspan being flown 200-lb-test nylon line about two miles Palo Alto CA airport An eight-year-old girl flying kite father Rockwell Turbo Commander re ported flying altitude 800 ft snagged line newspaper reported girl dragged about 100 ftover fathers head almost tree before let go line Fortunately seri ously injured may freak accident Ive never before heard full-scale aircraft snagging kite string am using story stress im portance avoiding model flying areas low-flying full-scale aircraft may encoun tered FAAs Model Aircraft Operating Standards state fly higher 400 ft above surface operate closer three miles boundary airport unless permitted appropriate air traffic control facility airport manager Have safe month Taylorcraft/Shepherd Continued page 37 One-off fiberglass cowlings can made using styrofoam mold two coats one-hour epoxy shown ouflines plan prefer purchase yours high-quality cowls available Fiber glass Master Dept MA Rt 1 Box 530 Goodview VA 24095 Telephone 1-703890-6017 Both T-Craft models given polyure thane finishes good results clipped-wing version used Pactra Tropic Blue Dark Blue doctoring Sil ver Metallic get right shade stan dard model successfully finished Red Devil gloss spray cans Since know no hobby outlet source paint purchased local lumberyard cabins both models finished fair degree realism want go whole nine yards detailing cabin interior follow basic scale ratio two inches foot dual project brought lot en joyment Im confident will same whether build clippedwing standard version both Toledo/Blakeslee Continued page 41 three seconds reset elevator neutral trim spot holding Isnt science wonderful Trim pots can still used also Programming done button lights mounted right PC board Hi Tech Encoder available directly Hendricksons $175 plus $5 ship ping Address 2206 5 Lynn Urbana IL 61801 telephone 217 344-8740 Sailpianes Ace RC Bad news Im afraid Ace planning come out Leon Kincaids three-meter Scooter season cause expanding plant will de layed until later Scooter should kit worth waiting stay tuned Airtronics Sailplane line continues Oly 600 Oly II Sagitta Cumic Cumic Plus latest kit Two Meter Electric called Eclipse has allbuilt-up construction three-piece wing comes two kit versions stan dard deluxe latter includes motor 31 gear reducer folding propeller cluding whole works except motor Ni-Cd pack charger good idea cause beginners neednt worry about match ing components Tim Renaud working new Sail plane called Image will wood 100-in-span three-piece wing ailerons niche plane like believe fliers want step up Oly II try ailerons dont want go straight expensive glass/foam kits Image probably wont available until Christmastime Continued page 132 August 1988 131 fill Y16-in balsa sanded fair wire Cover landing gear finish nitrate dope SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049 051S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS & GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES ALSO COMPLETE LINE OF RACING PARTS - GLO-BEE FIREBALL & K&B PLUGS SOLID LINES RACING WHEELS QWCK FILLS ETC WE ALSO STOCK CARBON FIBER KLOTZ OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP RUBBER BANDS KSB SEELIG & IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS EVERYTHING YOU NEED FOR OLD TIMER EVENTS 132 Model Aviation American Sailplane Designs Gary Ander son San Diego proprietor company its aim source US-made Sailpianes especially unusual ones Soaring accessories Toledo Gary featuring Kling berg Wing really neat 78-in-span flying wing all-built-up construction selling like hot cakes $3995 story designer wing Rol Klingberg aerodynamicist living Sunnyvale CA working continuations Horten brothers flying wing theories purpose de sign 38-ft -span foot-launched pilotcarrying wing no vertical surfaces ing prudent person Rol built RC model make sure wing flew much interest modelers wing Rol decided produce kit Several hundred Klingberg Wing kits have sold Rol said con tinually amazed eager response Sailplaners can get mail American Sailplane Designs 2626 Coro nado Ave #89 San Diego CA 92154 tele phone 619 429-8281 youre send $300 Gary will forward com plete catalog feel up largest Scale Sailplane can buy Gary produc ing -scale ASW-20 kit form erly made Mark Smith big five meters wingspan 16 pounds weight Gary also has source obechi wing skin wood may come about 50 per sq ft can place large enough order Check Gary need some Bob Martin news will back Duralene fuselage production summer famous Coyote SR-7 slope ships will available again end summer should brand new Katie II also unbreakable Duralene fuselage should good ship trodiicing beginners wonderful world Slope Soaring plastic fuselages ideal slope planes because ten have contend rocks other un pleasantness landings Duralene about indestructible baseball bat can bounce off boulders oaly smudge show Bob also plans get clas sic Hobie Hawk back production Christmas will bring back memories lot us Bob Sealy Quality Fiberglass Bobs new 129-in-span Ultima design really beau ty should popular contest fliers has Bobs usual high quality epoxy/glass fuselage incorporates very practical slip-on nose cone fuselage made two halves has slip joint just behind wing builder needs glue parts gether fill joint will require bit work usual fuselage should safer shipment balsasheeted foam wing uses Selig 4061 airfoil three pieces center section flat bolts atop fuselage single 1420 nylon screw center has spruceand-ply box spar Bob says part bul let proof tip sections plug center panel using A-in steel joiner rods tip planform has trendy double taper leading edge sweepback allflying T-tail stabilizer screw-attached rocking mechanism atop fin Stabilizer drive via steel cable nylon tube Dry weight about 80 oz 1254 sq wing dry loading 92 oz per sq ft Bob has prototype set up using three servos coupled aileron rudder eleva tor flaps Ailerons driven bellcranks fuselage bellcranks end center section Fliers hightech radios could easily install separate ser vos aileron another rud der butterfly flaps down aile rons up could used landings Bobs factory-direct price complete kit cluding wood $18900 Bobs booth also included Javelin fly ing wing has no vertical surfaces kit sells $3900 big crosscountry kit Constellation really stood out too has 167-in span also uses Selig 4061 airfoil section wing balsa-covered foam incorporates both flaps spoilers nice fiberglass fu selage price $22750 ship becoming very popular X-C fliers Bob says will moving Nashville soon will concentrating kit manu facturing expects cut back sub stantial array epoxy-glass fuselages has making can reach Bob 521 96th Lane NE Blame MN 55434 tele phone 612 780-2737 Carl Goldberg Models Sophisticated Lady new plane CG Its heritage Gentle Lady similar wing everything else new has T-tail beefed up widened fuselage clear canopy detailed cockpit pilot overall effect sexy looking Two Meter ship thats sure appeal buy ers looking realistic looking trainer Also available Electric power pod bands above wing on/off servo switch pod battery goes inside fuselage So phisticated Lady priced $5499 power pod $3999 CG has taken over distribution Model Magic Filler Epoxy Plus both excellent products probably will find greater modeler acceptance Goldberg name behind Magic Filler creamy spackle good filling small holes making fillets sands nicely quite strong Epoxy Plus filled two-part white epoxy 25% lighter flexible regular epoxy adhesives can used just about application would use epoxy can sanded carved easier Pot life 8 mm being filled tends stay put Both products worth try Davey Systems Ted Davey started kit manOUR REV-UP INVENTORY AVERAGES OVER 9000 PROPS I! CALL FOR IMMEDIATE SHIPMENT ON VISA OR MASTERCARD ORDER BY MAIL OR PHONE 619728-4365 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRES INVITED MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 ORflFfl UIDDCfl IAIITUIAI 24 HOURS 6% TAX have long liked heavier faster efficient Sailplanes typical kit has fiberglass plastic fuselage balsaor obechi-covered foam wings aile rons very good slope flying boot fliers finding extra weight isnt detriment thermal flying planes allowed use higher cruis ing speed cover sky find lift Further though planes flying faster efficiency allows sink slowly slowly floater Consequently starting same launch height zero-lift air heavy Sail plane could well have longer flight times Dynaflite combination Mark Smiththan lightweight ship Models Craft Air Jemco Mark Jim especially enthused about new person did have new Sail-electric motor unit Graupner has planes What newsworthy numberbelt reducer shaft extension folding prop oldies goodies Mark still hasand spinner can use eight 12 available growing interest Vin-cells power unit less battery sells tage RC Gliders say pre-1975 Dyna-for $6900 Jim says unit flute catalog contains Marks original Wind-new Graupner ASW-22B will ideal free Tom Williams Windrifter Davewill launch p ane twice Thornbergs Bird Time bit mod-charge over winch launch height ex em Blame Rawdons Mirage Dicktra weight doesnt harm performance Odles RO-8 kits have lot ofcause plane flies best ballast anynostalgia themway free catalog available HL Dynaflite selling almost-ready-to-flywriting 5614 Franldin Pike Cir ARF Wanderers Piece 0 Cakes Acle Brentwood TN 37027 telephone 615 clever idea POC instructions373-1444 Wait until see ne showing kids take motor ra-Graupner four-meter Grob Twin Acro dio correct frequency theirScale Sailplane What beautyand electric-powered car install same the$83500 glider just slap propeller go flying Dynaflites address PO Box 1011 San Marcos CA 92069 telephone 619 744-9605 Hobby Lobbys Jim Martin guy really excited about electric-motor launch ing Sailplanes Jim imports Graup ner line Sailplanes accessories familiar what happening Eu rope especially Germany Germans Hobby Shack imports lot ARF planes few Gliders Electrics New year 72-in-span Elec 1800 EZ Company Japan comes com plete motor gear drive prop $18000 Just drop radio seven-cell pack go flying Fly does said John Lupperger another example weight speed compete effec tively traditional floaters ufacturing Sailpianes has now grown big line power kits Sail plane kits remain Prophet Two Meter 100-in sizes 15-meter Ariel hand launching slope thermal fly ing Ted says still has some neat lit tle Sport Winches hand minia ture winches use motorcycle battery Its just ticket need carry equipment long way complete set cluding line parachute turnaround $23495 plus UPS address Davey Systems 675 Tower Lane West Chester PA 19380 telephone 215 430-8645 JM Glasscrafts John Foitu says beauti ful little 48-in-span Penetrator selling like crazy especially California semiscale P-s 1 glass/foam kit dynamite slope horrors glow engine year its D ver sion ie clear canopy instead fastback Its really pretty basic kit $5400 plus $400 D version de luxe kit includes wood hardware $7650 plus $4 D Add $300 shipping want something especially cute about five-eights-size Penetrator called Pee Wee Penetrator has 28in span John says flies great Need less say micro-size radio components required fit nicely basic deluxe kits $3800 $5250 respectively postpaid Contact John 30820 Mayflower Roseville MI 48066 telephone 313 773-7069 Model Engineering Norwalk 14EN Jerry Jarvis Sailplane kit Gob bler won F3B World Champion ship Dwight Holly 1981 Technology has course advanced since Gobbler would still fine club Divi sion II under 12 oz/sq ft wing loading F3B competition MEN source high quality mandrelformed extruded hi-start rubber Jerry has 100-ft lengths light %2 $3895 medium /t6 $4110 heavy % $5770 super heavy 34 $8190 approximate pounds pull size 200% stretch double un stretched length 7 9 12 17 respec tively Jerry has developed some neat acces sories hi-starts especially like gad get slips ends rubber provide ring swivel Costs $300 worth MENs address 54 Chestnut Hill Norwalk CT 06851 134 Model Aviation MODELERS FIGHT-BACK / TRUE-FACTS NEWSLETTER Tired being ignored editors Fed up never having questions answered EIGHT BACK Join us letter year reader written publication open letter communication between fellow medelers RIC infreeflight good thing NATS east Mississippi Noise limits models flying Sites What fair insurance what risks ALL LETTERS PUBLISHED $300 recieve copy $550 pub letter & copy $1950 4 issues & letters 1 yr Quarterly July OctJsn.April THE PTERANODON PRESS PO Box 3sss OAKLAND CA 54t59 SBus CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get prolected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises 2540 RIDGE ROAD LANSING ILLINOIS 60438 P S Send catalog modelers safely supplies ifi-TECH ENCODER microprocessor based encoder board designed replace encoder board Futaba Conquest Ace Silver Seven transmitters compatible other AM FM radios market FEATURES complete calibration system trimpots stores calibration constants four aircraft maintained during power off can mix firat five channels other first five channels inS variety configurations exponential trim five strengths mixing expo trim can tamed off duristg flight control trim thronle cut-off dual-rates servo reversing outputs four eight channels POWER REQUiREMENTS 32ma @ 96vdc SIZE 3 x45 x75 inches SEND $400 installation operation manual oaly $17500 completely assembled tested encoder installation operation manual Please stare transmitter model nuntber channels Add $500 shipping handling EMULATION ELECTRONICS 2206 S Lynn Urbana 1L61801 217344-8740or217-4897647 IIAVEYYSTEMS Luci lER 075 HYPERIHRUSI motor fused switch harness propeller adaptor 8/ 4 fibreglass propeller LUCIFER has computeroptimized E-193 airfoil superb L/D tremendous speed range ideally suited fliers because its inherent stability enough flat-bottom wingSIZED TO FL floaters barely stagger up a____________________ couple hundred feet Build LUCIFER enjoy performance thQt expectl Big enough fly like sailplane should small enough repeatedly climb Pin-Head altitude battery charge Pre-cut fuselage sides accurate die machine cut selected woods complete rolled plans hardware detailed instructions piece wing spruce spars strength simplicity building IIAVEY YSTEMS i oRPoRATION Special Combo Price 675 TOWER LANE WEST CHESTER PA 19380 215-430-8645 Robbe Modelisport keeping German tradition big beautiful Scale Sailpianes Robbes latest offering 35meter 137-in ASW-24 full-size Schleicher Standard Class 15-meter span ship has just come market 24 features latest double-trapezoid wing geometry ie double sweepback tip leading edges model employs F3B-proven Quabeck HQ-30113 airfoil should give excellent performance wide speed range fuselage made unbreakable Plura molded white plastic foam wings tail balsa covered need cover balsa parts install radio kit $27995 may first sound like lot consider scores hours work kit like saves price actually quite reasonable Also hav ing everything factory made ensures ac curate machineand will fly cor rectly Incidentally Sailplanes can launched electric motor Robbe sells 10-cell electric flight set plane Robbe Germanys large full-line model manufacturers addition glid ers make power planes cars boats kinds accessories catalog veritable bonanza gorgeous toys Id recommend sending $600 Robbe get full catalog Address 180 Town ship Line Rd Belle Mead NJ 08502 buy over $50 worth products $6 deducted way Frank Heinrich Robbes US manager told Robbe factory near Fulda often go over Wasserkuppe test Sailplanes Howd like work Sig Mfg Co Mike Pratt has enlarged Sigs Two Meter Riser nice looking 100-inspan Sailplane said very easy build aimed beginner inter mediate flier Riser 100 should prove popular maln kit category now venerable Oly II has Lite Ply fuse lage sides Eppler 205 airfoil two-piece wing optional though highly recom mended spoilers space stan dard size servos beginner ser vos come sets could start Riser 100 having buy mini servos Riser 100 lists $5995 Also featured Sig both new Easy Hinges such simple looking items easy overlookbut terrific 12 thousandths inch thick Mylar special wicking coat install just cut thin slot surface say rudder fin assemble surfaces hinges place put drop two thin cyanoacrylate glue CyA both sides hinge CyA wicks balsa its impossible pull out hinges After CyA has hardened just wiggle surfaces CyA ex posed part hinge pops off make neat tidy sell $295 24 Top Flite Sailplane kits remain 56-in Wristocrat Two Meter Metric 100-inspan Antares Scott Christenson anticipates kitting Astro Cobalt 035-powered Pha soar soon Its wing similar Wristo crat fuselage tail different ought just ticket getting few flights during lunch hour Yorkshire Enterprises Canada North American agent Sailplanes International British Sailplane kit man ufacturer SI has line about 10 Gliders especially nice slope planes can ar range Stuart Pearce have SI kit shipped direct Britain ex ample 100-in -span Garth shown photo Stu Jack Nunn will come over about $14500 Stuart can probably help obtain other goodies Britain Contact him 40 Holgate St Barrie Ont Canada [AN 2T7 tele phone 207 726-6208 Other Exhibitors Kraft Midwest youre like still rely old Kraft radios youll want know Pete Waters specializes Kraft parts service Hell also repair con vert other brands Petes address 117 East Main Northville MI 48167 tele phone 313 348-0085 LSF NSS League Silent Flight Continued page 139 August 1988 135 THE WORLD IS FLYING 1N RED DEER IN 1988 AUGUST 1 13th ORLD CHAMPIONSHIP AND YOU CAN BE PART OF THIS WORLD CLASS EVENT BY OWNING YOUR OWN SET OF OFFICIAL COMMEMORATIVE PINS POPULAR AVIATION ARTIST JOHN P FERGUSON HAS DESIGNED SEVEN PINS EXCLUSIVELY FOR WAC 88 DEPICTING THE OFFICIAL LOGO AND SIX COMPETING COUNTRIES THIS BEAUTIFUL FRAMED SET CAN BE YOURS FOR ONLY US $4995 AS UONUS EACH ORDER WILL RECEIVE THREE ADDITIONAL COLLECTOR PINS FROM THE INTERNATIONAL FESTIVAL OF FLIGHT THESE FULL COLOR CLOISONNE PINS ARE OF SUCH HIGH QUALITY THAT WE ABSOLUTELY GUARANTEE YOUR SATISFACTION OR YOUR MONEY BACK Ehe authorized WAC88 pins available HOW TO ORDER SEND MO VISA MASTER CARD OR AMERICAN EXPRESS TT cRESTWOOD EMBLEMS PO BOX BOBS STN C EDMONTON ALBERTA CANADA T5B 4K6 US$4995 FOR EACH SET PLUS US$300 FOR POSTAGE AND HANDLING Toledo/Blakeslee Continued page 135 Ehe National Soaring Society again shared booth LSF just elec tion new officers hand President Bob Steele VP Ray Hayes Secre tary Jim Martin Treasurer Susie Lipp Representing NSS President Pete Carr DistricE Ill VP Ed Lightcap Sailplane community indeed fortu nate have such capable people serving both organizations group has exciting plans make Soaring bigger better us keep name LSF mailing list send card PO Box 647 Mundelein IL 60060 Bob Steeles address 10173 St Joe Rd Ft Wayne IN 46835 telephone 219 485-1145 youd like NSS info write Pete Carr 329 Little Ave Ridgeway PA 15053 telephone 814 772-4851 Magazines American model maga zines hand plus two British pub lishers Since probably already know about American ones Ill just say few words about British mags Argus Specialist Publications puts out two magazines interest Sailplaners Ra dio Control Models Electronics Ra dio Modeler used available through AMA just read ar rangement being dropped So now well have send checks directly Argus PO Box 35 Wolsey House Wolsey Road Hemel Hempstead Hertfordshire HP2 4SS England RM $3000 per year RCM&E $3100 Radio Control Model World easier deal because Traplet Publications has US office RCMW joy read maialy because Soaring column writ ten Sean Walbankalso White Sheet newsletter fame Sean corresponds about half Soaring clubs world material covers wide range ledo Special price $3000 per year tell BB sent shoald OK Write Traplet Distribution USA 1635 Wade Dr Paso Robles CA 93446 telephone 805 239-0997 Scale Model Research Bob Banka busy one-armed paper hanger selling Foto-Paaks Scale interest surging color pictures need finishing documentation Foto-Paaks contain 10 28 color shots air plane particular type Bob has Paaks 57 different Sailplanes 19 motor glid ers adding new ones time its good inquire hearts desire availableor coming SMRs address 2334 Ticonderoga Way Costa Mesa CA 92626 telephone 714 979-8058 Space Case easy-to-remember name line plastic cases can custom designed hold protect thing transmitters complete planes Space Cases also popular RC car crowd power fliers railroad ers 1987 US F3B Team used Space Cases planes winches other stuff Everything went Germany back fine shape Suggest contact Ma trix Enterprises 7015 Carroll Rd San Diego CA 92121 telephone 619 4509509 SR Batteries Larry Sribnick guy can supply nickel-cadmium pack might needbe transmitter re ceiver electric motor something else SR first offer high capacity packs will still custom make sort pack specifications Cells packs guaranteed form memory Larry says response customer demand single source batteries accessor ies now stocking high quality charg ers connectors motors hookup wire etc good service because beginners experts too often confused about batteries chargers full info send 45C pre-addressed return envelope SR Box 287 Bellport NY 11713 telephone 516 286-0079 Sailplane static competition seven Sailplanes enteredand two powered Come Sailplaners Lets show em beauties next year Mark Kummerow Chicago won second straight yearboth years flying wings Last year 200-in Ultra saur year 168-in PetraSaur inspiration both plane Gene Dees Icarosaur specs PetraSaur 168 span 11 chord 2070 sq area E-174/HQ 0010 airfoils 29 sweep 50 washout 10 dihe dral 15 winglet span 514 chord 80 sq area NACA 0009 airfoil 10 lb weight three channels controlling elevons flaps Construction foam carbon fiber balsa plywood spruce Ultracote MonoKote EconoKote Well done Mark Howd Ultrasaur go Second place went Troy Lawickis nicely finished Fiesta Multiplex kit third place new LSF trea surer Susie Lipp beautiful Windsong Susies ship has over 100 flights it looks better new ones Cant stand Radio Technique/Myers Continued page 43 SD 57013 605/987-5924 basic thing know about TRC Fast Charger thao monitors rate-of-change voltage pack being charged shuts off 1 detects quick voltage rise typical siEuatlon pack fully charged gas bubbles starting form 2 detects quick voltage drop typical fully charged cell going overcharge Because uses voltage-change monitoring does depend measuring absolute voltage TRC Fast Charger doesnt care cells pack same reason will fully charge cells old have high resistance certain cells havent charged couple months Try slow charging scrap have early model TRC Fast Charger can fooled shutting off before pack fully charged An easy way fool charger move around battery leads during charging session start prob ing around circuit voltmeter either procedures will cause enough change contact resistance present itself voltagechange monitoring circuit abrupt voltage rise drop Charging stops automatically Later models have desensitized ignore abrupt voltage changes Actually prefer charger shut off too soon action causes undercharging easily rectified Assuming know pack being charged exhausted know nominal capacity cell August 1988 139
Edition: Model Aviation - 1988/08
Page Numbers: 38, 39, 40, 41, 131, 132, 134, 135, 139
At umnist takes us Byron Blakeslee 0 Sailpianes Come along ride Toledo through thermals years resident Soaring col Toledo Expo Top The usual zoo Toledo helium balloon being flown designer/builder George Steiner Its two tiny electric motors pivot move balloon direction Left Designer Mike Pratt proudly hoids new Sig Riser 100 Standard Ciass version 2-meter Riser well suited Soaring trainer Right Rol Klingberg holds flying wing Gary Anderson American Sailplane Designs looks 38 Model Aviation THE FOURTEENTH running ledo RC Exposition held April 8-10 Sports Center Again weather quite nice Stories about terrible Toledo weather always Attendance very heavy crowds appeared about same last years record Judg ing eager lookers RC indus try very much alive well Modelers go Toledo spring find out whats new general RC show phases activity repre sented manufacturer distributor displays powered aircraft Pattern sport Scale planes represented biggest part RC cars second boats third Strangely anyway Id guess Sailplanes Helicopters about tied fourth find peculiar because owing number Sailplane kits sold number Soaring clubs country would think number Sailplane ven dors would rank higher Could just buy fewer companies As what new Sailplanes Bob Sealys 129-in Ultima Klingberg 78-in Flying Wing completely new kits new Sig Riser 100 enlarge ment Two Meter ship Gold bergs new Sophisticated Lady develop ment ubiquitous Gentle Lady Most excitement show year centered around announcement new microprocessor computer chip radios Airtronics Futaba ra dios along JR Galaxy Multi plex Royal already mar ket will surely radios future sophisticated Sailplanes list should added microprocessor conversions Emulation Electronics Control Systems Laboratories com panies sell replacement encoder circuits will convert older radios say Futaba Conquest equivalent $1000 ra dio beauty new computer radios can buy generic aircraft set opposed helicopter custom program specialized Sail plane tricks desire can mix rud der ailerons elevator flaps flaps ailerons etc Basically can mix anything anything else lend some coherence presenta tion Ill divide three parts Part 1 will cover new radios Part 2 will Sailplanes Part 3 will discuss thing else Before getting what saw trend thats becoming important Id like mention consideration growing interest Sailplanes launched electric motors No Im talking about electric winches mean electric mo tors propellers isnt new youre thinking may subtle difference past Electric planes just Electric planes idea now coming around using motor get plane up can soar extra weight motor system has often found help rather hindrance soaring Modern August 1988 39 Frank Heinrich Robbe Model Sport shows off new 137-in-span ASW-24 Scale Sailplane features unbreakable plastic fuselage balsa-covered foam wings gorgeous model should terrific flier Steve Helms shows us Futabas new PCM 1024 Computer Series 9-channel transmit ter system has real time response stepless servo action Available midsummer Bob Henaud witfl tne prototype ot Alrtron Ics new microprocessor transmitter system should available later sum mer will list $500 four servos Mr SR Batteries himself Larry Sribnick addition extensive line batteries Larry now handling chargers motors kinds essential Electric flight items winning model Sailplane competition 168-in-span Pterasaur built Mike Kummerow second year row Mike has taken home trophy Congrats Left Bob Sealy holds new 129-in fiberglass Ultima Should great model looking get competition See text what Bob up Right Susie Lipp Windsong took 3rd Sailplane competition winning new Airtronics radio Left Theres good chance Bob Banka can provide scale documentation need Call Scale Model Research 714 979-805 find out Right Top Flites Scott Christensen displays Phasoar 60-in Electric Astro 035 Cobalt Look new kit very near future Sailpianes moving faster-strongerheavier philosophy anyway Purists will nat urally insist pure Sailplane fliers cant locate field big enough winch hi-start electric motor launching makes lot sense Id happy hear what readers think about can kick around regular monthly RC Soaring column Radios Airtronics big news new yet unnamed six-channel microprocessor PCM set will list $500 four ser vos Sanwa Japan will make exclu sively Airtronics should out about midsummer will have capabil ity mixing three channels other three can get mixing flap erons spoilerons elevons V-tail elevator flaps rudder ailerons etc can get elevator preset trim aileron dif ferential both flaperon spoileron modes has other usual features like dual rate adjustment adjustable exponential rate tied dual rate end point adjust ment channels built-in voltage regulation Airtronics recently introduced new Spectra PCM seven-channel Quantum PCM eight-channel radios very good sets listing $600 $800 re spectively puts above new sixchannel computer radio may adaptable Sailplanes guess can tell Im anxious try new six-channel set Futaba showed new nine-channel 1024 PCM/PPM microprocessor radio should available midsummer will mix four channels other four can programmed up six indi vidual planes fly six planes transmitter just tell plane want fly computers memory will recall trim settings partic ular transmitter programmed press ing buttons bottom front case large LCD display window shows graphic representation Pattern plane guess can live help show whats happening set has rest modem conveniences could expected top-of-the-line radio like will list $1000 four ser vos JR Propo showed extensive line ra dios including microprocessorcontrolled Galaxy Computer 8 set has available about year has re ceived excellent comments fliers have flown eight-channel set will mix four channels including flaperons V-tail can store trim data seven different planes As usual Galaxy 8 available Pattern Helicop ter versionsthe Pattern set selling $57999 four servos direct Cir cus Hobbies latest news JR Propo now ing handled Hobby Dynamics dis tributor local dealers JR company Japan Remote Control very large fac tor worldwide RC sales hasnt pene trated US market mail order sell ing much might have local dealers JR makes extremely sophisticated radios Graupner Germany radios made Graupners specifications normal European frequency spacing receivers can cope transmissions just 10kHz apart Consequently JR should 40 Model Aviation U Left Alan Berg L Michael Anderson Matrix Enterprises can provide case safeguard Vour models other items Right Stuart Pearce Jack Nunn representing Yorkshire Enterprises Canada model 100-ln-span Garth made Saliplanes International Left Three League Silent Flights new officers L-R VP Ray Hayes Treasurer Susie Lipp President Bob Steele Theyre ded icated revitalizing LSF want hear Right John Foltu JM Glascraft D version popular Penetrator Slope shIp have no trouble Us 1991 specs call ing RC frequencies 20kHz apart commercial users sandwiched betweenso effectively need 10kHz protection wonder JR Propo will bring some Graupner sets sale Likely will expensive have features gung-ho F3B flier could possibly hope Emulation Electronics Perhaps saw three-part article RC Modeler called Hi Tech Encoder written brothers Martin Tom Hendrickson Tim Ahrens about converting AM FM PPM transmitter use Moto rola microprocessor chip encoding Hendricksons have now gone produc tion selling complete printed cir cuit encoder board do-it-yourself model ers want very sophisticated radio reasonable price Basically what throw away everything inside transmitter except RF section wire up brothers 3 x 45-in PC board board designed drop Futaba Conquest can eas ily adapted other transmitters will work four- eight-channel radios can mix five channels can store data four planes Hendricksons have incorporated unique feature design called autotrim way works Assume flying along holding up-trim keep plane diving autotrim need press hold button computer will gradually like Continued page 131 August 1988 41 Larry King displays new Sophisticated Lady Carl Goldberg Models two-meter ship update wing same companys highly successful Gentle Lady Safety/Preston Continued page 22 either kites model airplanes near airports kite question reported glider-type kite 12-ft wingspan being flown 200-lb-test nylon line about two miles Palo Alto CA airport An eight-year-old girl flying kite father Rockwell Turbo Commander re ported flying altitude 800 ft snagged line newspaper reported girl dragged about 100 ftover fathers head almost tree before let go line Fortunately seri ously injured may freak accident Ive never before heard full-scale aircraft snagging kite string am using story stress im portance avoiding model flying areas low-flying full-scale aircraft may encoun tered FAAs Model Aircraft Operating Standards state fly higher 400 ft above surface operate closer three miles boundary airport unless permitted appropriate air traffic control facility airport manager Have safe month Taylorcraft/Shepherd Continued page 37 One-off fiberglass cowlings can made using styrofoam mold two coats one-hour epoxy shown ouflines plan prefer purchase yours high-quality cowls available Fiber glass Master Dept MA Rt 1 Box 530 Goodview VA 24095 Telephone 1-703890-6017 Both T-Craft models given polyure thane finishes good results clipped-wing version used Pactra Tropic Blue Dark Blue doctoring Sil ver Metallic get right shade stan dard model successfully finished Red Devil gloss spray cans Since know no hobby outlet source paint purchased local lumberyard cabins both models finished fair degree realism want go whole nine yards detailing cabin interior follow basic scale ratio two inches foot dual project brought lot en joyment Im confident will same whether build clippedwing standard version both Toledo/Blakeslee Continued page 41 three seconds reset elevator neutral trim spot holding Isnt science wonderful Trim pots can still used also Programming done button lights mounted right PC board Hi Tech Encoder available directly Hendricksons $175 plus $5 ship ping Address 2206 5 Lynn Urbana IL 61801 telephone 217 344-8740 Sailpianes Ace RC Bad news Im afraid Ace planning come out Leon Kincaids three-meter Scooter season cause expanding plant will de layed until later Scooter should kit worth waiting stay tuned Airtronics Sailplane line continues Oly 600 Oly II Sagitta Cumic Cumic Plus latest kit Two Meter Electric called Eclipse has allbuilt-up construction three-piece wing comes two kit versions stan dard deluxe latter includes motor 31 gear reducer folding propeller cluding whole works except motor Ni-Cd pack charger good idea cause beginners neednt worry about match ing components Tim Renaud working new Sail plane called Image will wood 100-in-span three-piece wing ailerons niche plane like believe fliers want step up Oly II try ailerons dont want go straight expensive glass/foam kits Image probably wont available until Christmastime Continued page 132 August 1988 131 fill Y16-in balsa sanded fair wire Cover landing gear finish nitrate dope SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049 051S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS & GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES ALSO COMPLETE LINE OF RACING PARTS - GLO-BEE FIREBALL & K&B PLUGS SOLID LINES RACING WHEELS QWCK FILLS ETC WE ALSO STOCK CARBON FIBER KLOTZ OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP RUBBER BANDS KSB SEELIG & IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS EVERYTHING YOU NEED FOR OLD TIMER EVENTS 132 Model Aviation American Sailplane Designs Gary Ander son San Diego proprietor company its aim source US-made Sailpianes especially unusual ones Soaring accessories Toledo Gary featuring Kling berg Wing really neat 78-in-span flying wing all-built-up construction selling like hot cakes $3995 story designer wing Rol Klingberg aerodynamicist living Sunnyvale CA working continuations Horten brothers flying wing theories purpose de sign 38-ft -span foot-launched pilotcarrying wing no vertical surfaces ing prudent person Rol built RC model make sure wing flew much interest modelers wing Rol decided produce kit Several hundred Klingberg Wing kits have sold Rol said con tinually amazed eager response Sailplaners can get mail American Sailplane Designs 2626 Coro nado Ave #89 San Diego CA 92154 tele phone 619 429-8281 youre send $300 Gary will forward com plete catalog feel up largest Scale Sailplane can buy Gary produc ing -scale ASW-20 kit form erly made Mark Smith big five meters wingspan 16 pounds weight Gary also has source obechi wing skin wood may come about 50 per sq ft can place large enough order Check Gary need some Bob Martin news will back Duralene fuselage production summer famous Coyote SR-7 slope ships will available again end summer should brand new Katie II also unbreakable Duralene fuselage should good ship trodiicing beginners wonderful world Slope Soaring plastic fuselages ideal slope planes because ten have contend rocks other un pleasantness landings Duralene about indestructible baseball bat can bounce off boulders oaly smudge show Bob also plans get clas sic Hobie Hawk back production Christmas will bring back memories lot us Bob Sealy Quality Fiberglass Bobs new 129-in-span Ultima design really beau ty should popular contest fliers has Bobs usual high quality epoxy/glass fuselage incorporates very practical slip-on nose cone fuselage made two halves has slip joint just behind wing builder needs glue parts gether fill joint will require bit work usual fuselage should safer shipment balsasheeted foam wing uses Selig 4061 airfoil three pieces center section flat bolts atop fuselage single 1420 nylon screw center has spruceand-ply box spar Bob says part bul let proof tip sections plug center panel using A-in steel joiner rods tip planform has trendy double taper leading edge sweepback allflying T-tail stabilizer screw-attached rocking mechanism atop fin Stabilizer drive via steel cable nylon tube Dry weight about 80 oz 1254 sq wing dry loading 92 oz per sq ft Bob has prototype set up using three servos coupled aileron rudder eleva tor flaps Ailerons driven bellcranks fuselage bellcranks end center section Fliers hightech radios could easily install separate ser vos aileron another rud der butterfly flaps down aile rons up could used landings Bobs factory-direct price complete kit cluding wood $18900 Bobs booth also included Javelin fly ing wing has no vertical surfaces kit sells $3900 big crosscountry kit Constellation really stood out too has 167-in span also uses Selig 4061 airfoil section wing balsa-covered foam incorporates both flaps spoilers nice fiberglass fu selage price $22750 ship becoming very popular X-C fliers Bob says will moving Nashville soon will concentrating kit manu facturing expects cut back sub stantial array epoxy-glass fuselages has making can reach Bob 521 96th Lane NE Blame MN 55434 tele phone 612 780-2737 Carl Goldberg Models Sophisticated Lady new plane CG Its heritage Gentle Lady similar wing everything else new has T-tail beefed up widened fuselage clear canopy detailed cockpit pilot overall effect sexy looking Two Meter ship thats sure appeal buy ers looking realistic looking trainer Also available Electric power pod bands above wing on/off servo switch pod battery goes inside fuselage So phisticated Lady priced $5499 power pod $3999 CG has taken over distribution Model Magic Filler Epoxy Plus both excellent products probably will find greater modeler acceptance Goldberg name behind Magic Filler creamy spackle good filling small holes making fillets sands nicely quite strong Epoxy Plus filled two-part white epoxy 25% lighter flexible regular epoxy adhesives can used just about application would use epoxy can sanded carved easier Pot life 8 mm being filled tends stay put Both products worth try Davey Systems Ted Davey started kit manOUR REV-UP INVENTORY AVERAGES OVER 9000 PROPS I! CALL FOR IMMEDIATE SHIPMENT ON VISA OR MASTERCARD ORDER BY MAIL OR PHONE 619728-4365 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRES INVITED MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 ORflFfl UIDDCfl IAIITUIAI 24 HOURS 6% TAX have long liked heavier faster efficient Sailplanes typical kit has fiberglass plastic fuselage balsaor obechi-covered foam wings aile rons very good slope flying boot fliers finding extra weight isnt detriment thermal flying planes allowed use higher cruis ing speed cover sky find lift Further though planes flying faster efficiency allows sink slowly slowly floater Consequently starting same launch height zero-lift air heavy Sail plane could well have longer flight times Dynaflite combination Mark Smiththan lightweight ship Models Craft Air Jemco Mark Jim especially enthused about new person did have new Sail-electric motor unit Graupner has planes What newsworthy numberbelt reducer shaft extension folding prop oldies goodies Mark still hasand spinner can use eight 12 available growing interest Vin-cells power unit less battery sells tage RC Gliders say pre-1975 Dyna-for $6900 Jim says unit flute catalog contains Marks original Wind-new Graupner ASW-22B will ideal free Tom Williams Windrifter Davewill launch p ane twice Thornbergs Bird Time bit mod-charge over winch launch height ex em Blame Rawdons Mirage Dicktra weight doesnt harm performance Odles RO-8 kits have lot ofcause plane flies best ballast anynostalgia themway free catalog available HL Dynaflite selling almost-ready-to-flywriting 5614 Franldin Pike Cir ARF Wanderers Piece 0 Cakes Acle Brentwood TN 37027 telephone 615 clever idea POC instructions373-1444 Wait until see ne showing kids take motor ra-Graupner four-meter Grob Twin Acro dio correct frequency theirScale Sailplane What beautyand electric-powered car install same the$83500 glider just slap propeller go flying Dynaflites address PO Box 1011 San Marcos CA 92069 telephone 619 744-9605 Hobby Lobbys Jim Martin guy really excited about electric-motor launch ing Sailplanes Jim imports Graup ner line Sailplanes accessories familiar what happening Eu rope especially Germany Germans Hobby Shack imports lot ARF planes few Gliders Electrics New year 72-in-span Elec 1800 EZ Company Japan comes com plete motor gear drive prop $18000 Just drop radio seven-cell pack go flying Fly does said John Lupperger another example weight speed compete effec tively traditional floaters ufacturing Sailpianes has now grown big line power kits Sail plane kits remain Prophet Two Meter 100-in sizes 15-meter Ariel hand launching slope thermal fly ing Ted says still has some neat lit tle Sport Winches hand minia ture winches use motorcycle battery Its just ticket need carry equipment long way complete set cluding line parachute turnaround $23495 plus UPS address Davey Systems 675 Tower Lane West Chester PA 19380 telephone 215 430-8645 JM Glasscrafts John Foitu says beauti ful little 48-in-span Penetrator selling like crazy especially California semiscale P-s 1 glass/foam kit dynamite slope horrors glow engine year its D ver sion ie clear canopy instead fastback Its really pretty basic kit $5400 plus $400 D version de luxe kit includes wood hardware $7650 plus $4 D Add $300 shipping want something especially cute about five-eights-size Penetrator called Pee Wee Penetrator has 28in span John says flies great Need less say micro-size radio components required fit nicely basic deluxe kits $3800 $5250 respectively postpaid Contact John 30820 Mayflower Roseville MI 48066 telephone 313 773-7069 Model Engineering Norwalk 14EN Jerry Jarvis Sailplane kit Gob bler won F3B World Champion ship Dwight Holly 1981 Technology has course advanced since Gobbler would still fine club Divi sion II under 12 oz/sq ft wing loading F3B competition MEN source high quality mandrelformed extruded hi-start rubber Jerry has 100-ft lengths light %2 $3895 medium /t6 $4110 heavy % $5770 super heavy 34 $8190 approximate pounds pull size 200% stretch double un stretched length 7 9 12 17 respec tively Jerry has developed some neat acces sories hi-starts especially like gad get slips ends rubber provide ring swivel Costs $300 worth MENs address 54 Chestnut Hill Norwalk CT 06851 134 Model Aviation MODELERS FIGHT-BACK / TRUE-FACTS NEWSLETTER Tired being ignored editors Fed up never having questions answered EIGHT BACK Join us letter year reader written publication open letter communication between fellow medelers RIC infreeflight good thing NATS east Mississippi Noise limits models flying Sites What fair insurance what risks ALL LETTERS PUBLISHED $300 recieve copy $550 pub letter & copy $1950 4 issues & letters 1 yr Quarterly July OctJsn.April THE PTERANODON PRESS PO Box 3sss OAKLAND CA 54t59 SBus CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get prolected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises 2540 RIDGE ROAD LANSING ILLINOIS 60438 P S Send catalog modelers safely supplies ifi-TECH ENCODER microprocessor based encoder board designed replace encoder board Futaba Conquest Ace Silver Seven transmitters compatible other AM FM radios market FEATURES complete calibration system trimpots stores calibration constants four aircraft maintained during power off can mix firat five channels other first five channels inS variety configurations exponential trim five strengths mixing expo trim can tamed off duristg flight control trim thronle cut-off dual-rates servo reversing outputs four eight channels POWER REQUiREMENTS 32ma @ 96vdc SIZE 3 x45 x75 inches SEND $400 installation operation manual oaly $17500 completely assembled tested encoder installation operation manual Please stare transmitter model nuntber channels Add $500 shipping handling EMULATION ELECTRONICS 2206 S Lynn Urbana 1L61801 217344-8740or217-4897647 IIAVEYYSTEMS Luci lER 075 HYPERIHRUSI motor fused switch harness propeller adaptor 8/ 4 fibreglass propeller LUCIFER has computeroptimized E-193 airfoil superb L/D tremendous speed range ideally suited fliers because its inherent stability enough flat-bottom wingSIZED TO FL floaters barely stagger up a____________________ couple hundred feet Build LUCIFER enjoy performance thQt expectl Big enough fly like sailplane should small enough repeatedly climb Pin-Head altitude battery charge Pre-cut fuselage sides accurate die machine cut selected woods complete rolled plans hardware detailed instructions piece wing spruce spars strength simplicity building IIAVEY YSTEMS i oRPoRATION Special Combo Price 675 TOWER LANE WEST CHESTER PA 19380 215-430-8645 Robbe Modelisport keeping German tradition big beautiful Scale Sailpianes Robbes latest offering 35meter 137-in ASW-24 full-size Schleicher Standard Class 15-meter span ship has just come market 24 features latest double-trapezoid wing geometry ie double sweepback tip leading edges model employs F3B-proven Quabeck HQ-30113 airfoil should give excellent performance wide speed range fuselage made unbreakable Plura molded white plastic foam wings tail balsa covered need cover balsa parts install radio kit $27995 may first sound like lot consider scores hours work kit like saves price actually quite reasonable Also hav ing everything factory made ensures ac curate machineand will fly cor rectly Incidentally Sailplanes can launched electric motor Robbe sells 10-cell electric flight set plane Robbe Germanys large full-line model manufacturers addition glid ers make power planes cars boats kinds accessories catalog veritable bonanza gorgeous toys Id recommend sending $600 Robbe get full catalog Address 180 Town ship Line Rd Belle Mead NJ 08502 buy over $50 worth products $6 deducted way Frank Heinrich Robbes US manager told Robbe factory near Fulda often go over Wasserkuppe test Sailplanes Howd like work Sig Mfg Co Mike Pratt has enlarged Sigs Two Meter Riser nice looking 100-inspan Sailplane said very easy build aimed beginner inter mediate flier Riser 100 should prove popular maln kit category now venerable Oly II has Lite Ply fuse lage sides Eppler 205 airfoil two-piece wing optional though highly recom mended spoilers space stan dard size servos beginner ser vos come sets could start Riser 100 having buy mini servos Riser 100 lists $5995 Also featured Sig both new Easy Hinges such simple looking items easy overlookbut terrific 12 thousandths inch thick Mylar special wicking coat install just cut thin slot surface say rudder fin assemble surfaces hinges place put drop two thin cyanoacrylate glue CyA both sides hinge CyA wicks balsa its impossible pull out hinges After CyA has hardened just wiggle surfaces CyA ex posed part hinge pops off make neat tidy sell $295 24 Top Flite Sailplane kits remain 56-in Wristocrat Two Meter Metric 100-inspan Antares Scott Christenson anticipates kitting Astro Cobalt 035-powered Pha soar soon Its wing similar Wristo crat fuselage tail different ought just ticket getting few flights during lunch hour Yorkshire Enterprises Canada North American agent Sailplanes International British Sailplane kit man ufacturer SI has line about 10 Gliders especially nice slope planes can ar range Stuart Pearce have SI kit shipped direct Britain ex ample 100-in -span Garth shown photo Stu Jack Nunn will come over about $14500 Stuart can probably help obtain other goodies Britain Contact him 40 Holgate St Barrie Ont Canada [AN 2T7 tele phone 207 726-6208 Other Exhibitors Kraft Midwest youre like still rely old Kraft radios youll want know Pete Waters specializes Kraft parts service Hell also repair con vert other brands Petes address 117 East Main Northville MI 48167 tele phone 313 348-0085 LSF NSS League Silent Flight Continued page 139 August 1988 135 THE WORLD IS FLYING 1N RED DEER IN 1988 AUGUST 1 13th ORLD CHAMPIONSHIP AND YOU CAN BE PART OF THIS WORLD CLASS EVENT BY OWNING YOUR OWN SET OF OFFICIAL COMMEMORATIVE PINS POPULAR AVIATION ARTIST JOHN P FERGUSON HAS DESIGNED SEVEN PINS EXCLUSIVELY FOR WAC 88 DEPICTING THE OFFICIAL LOGO AND SIX COMPETING COUNTRIES THIS BEAUTIFUL FRAMED SET CAN BE YOURS FOR ONLY US $4995 AS UONUS EACH ORDER WILL RECEIVE THREE ADDITIONAL COLLECTOR PINS FROM THE INTERNATIONAL FESTIVAL OF FLIGHT THESE FULL COLOR CLOISONNE PINS ARE OF SUCH HIGH QUALITY THAT WE ABSOLUTELY GUARANTEE YOUR SATISFACTION OR YOUR MONEY BACK Ehe authorized WAC88 pins available HOW TO ORDER SEND MO VISA MASTER CARD OR AMERICAN EXPRESS TT cRESTWOOD EMBLEMS PO BOX BOBS STN C EDMONTON ALBERTA CANADA T5B 4K6 US$4995 FOR EACH SET PLUS US$300 FOR POSTAGE AND HANDLING Toledo/Blakeslee Continued page 135 Ehe National Soaring Society again shared booth LSF just elec tion new officers hand President Bob Steele VP Ray Hayes Secre tary Jim Martin Treasurer Susie Lipp Representing NSS President Pete Carr DistricE Ill VP Ed Lightcap Sailplane community indeed fortu nate have such capable people serving both organizations group has exciting plans make Soaring bigger better us keep name LSF mailing list send card PO Box 647 Mundelein IL 60060 Bob Steeles address 10173 St Joe Rd Ft Wayne IN 46835 telephone 219 485-1145 youd like NSS info write Pete Carr 329 Little Ave Ridgeway PA 15053 telephone 814 772-4851 Magazines American model maga zines hand plus two British pub lishers Since probably already know about American ones Ill just say few words about British mags Argus Specialist Publications puts out two magazines interest Sailplaners Ra dio Control Models Electronics Ra dio Modeler used available through AMA just read ar rangement being dropped So now well have send checks directly Argus PO Box 35 Wolsey House Wolsey Road Hemel Hempstead Hertfordshire HP2 4SS England RM $3000 per year RCM&E $3100 Radio Control Model World easier deal because Traplet Publications has US office RCMW joy read maialy because Soaring column writ ten Sean Walbankalso White Sheet newsletter fame Sean corresponds about half Soaring clubs world material covers wide range ledo Special price $3000 per year tell BB sent shoald OK Write Traplet Distribution USA 1635 Wade Dr Paso Robles CA 93446 telephone 805 239-0997 Scale Model Research Bob Banka busy one-armed paper hanger selling Foto-Paaks Scale interest surging color pictures need finishing documentation Foto-Paaks contain 10 28 color shots air plane particular type Bob has Paaks 57 different Sailplanes 19 motor glid ers adding new ones time its good inquire hearts desire availableor coming SMRs address 2334 Ticonderoga Way Costa Mesa CA 92626 telephone 714 979-8058 Space Case easy-to-remember name line plastic cases can custom designed hold protect thing transmitters complete planes Space Cases also popular RC car crowd power fliers railroad ers 1987 US F3B Team used Space Cases planes winches other stuff Everything went Germany back fine shape Suggest contact Ma trix Enterprises 7015 Carroll Rd San Diego CA 92121 telephone 619 4509509 SR Batteries Larry Sribnick guy can supply nickel-cadmium pack might needbe transmitter re ceiver electric motor something else SR first offer high capacity packs will still custom make sort pack specifications Cells packs guaranteed form memory Larry says response customer demand single source batteries accessor ies now stocking high quality charg ers connectors motors hookup wire etc good service because beginners experts too often confused about batteries chargers full info send 45C pre-addressed return envelope SR Box 287 Bellport NY 11713 telephone 516 286-0079 Sailplane static competition seven Sailplanes enteredand two powered Come Sailplaners Lets show em beauties next year Mark Kummerow Chicago won second straight yearboth years flying wings Last year 200-in Ultra saur year 168-in PetraSaur inspiration both plane Gene Dees Icarosaur specs PetraSaur 168 span 11 chord 2070 sq area E-174/HQ 0010 airfoils 29 sweep 50 washout 10 dihe dral 15 winglet span 514 chord 80 sq area NACA 0009 airfoil 10 lb weight three channels controlling elevons flaps Construction foam carbon fiber balsa plywood spruce Ultracote MonoKote EconoKote Well done Mark Howd Ultrasaur go Second place went Troy Lawickis nicely finished Fiesta Multiplex kit third place new LSF trea surer Susie Lipp beautiful Windsong Susies ship has over 100 flights it looks better new ones Cant stand Radio Technique/Myers Continued page 43 SD 57013 605/987-5924 basic thing know about TRC Fast Charger thao monitors rate-of-change voltage pack being charged shuts off 1 detects quick voltage rise typical siEuatlon pack fully charged gas bubbles starting form 2 detects quick voltage drop typical fully charged cell going overcharge Because uses voltage-change monitoring does depend measuring absolute voltage TRC Fast Charger doesnt care cells pack same reason will fully charge cells old have high resistance certain cells havent charged couple months Try slow charging scrap have early model TRC Fast Charger can fooled shutting off before pack fully charged An easy way fool charger move around battery leads during charging session start prob ing around circuit voltmeter either procedures will cause enough change contact resistance present itself voltagechange monitoring circuit abrupt voltage rise drop Charging stops automatically Later models have desensitized ignore abrupt voltage changes Actually prefer charger shut off too soon action causes undercharging easily rectified Assuming know pack being charged exhausted know nominal capacity cell August 1988 139
Edition: Model Aviation - 1988/08
Page Numbers: 38, 39, 40, 41, 131, 132, 134, 135, 139
At umnist takes us Byron Blakeslee 0 Sailpianes Come along ride Toledo through thermals years resident Soaring col Toledo Expo Top The usual zoo Toledo helium balloon being flown designer/builder George Steiner Its two tiny electric motors pivot move balloon direction Left Designer Mike Pratt proudly hoids new Sig Riser 100 Standard Ciass version 2-meter Riser well suited Soaring trainer Right Rol Klingberg holds flying wing Gary Anderson American Sailplane Designs looks 38 Model Aviation THE FOURTEENTH running ledo RC Exposition held April 8-10 Sports Center Again weather quite nice Stories about terrible Toledo weather always Attendance very heavy crowds appeared about same last years record Judg ing eager lookers RC indus try very much alive well Modelers go Toledo spring find out whats new general RC show phases activity repre sented manufacturer distributor displays powered aircraft Pattern sport Scale planes represented biggest part RC cars second boats third Strangely anyway Id guess Sailplanes Helicopters about tied fourth find peculiar because owing number Sailplane kits sold number Soaring clubs country would think number Sailplane ven dors would rank higher Could just buy fewer companies As what new Sailplanes Bob Sealys 129-in Ultima Klingberg 78-in Flying Wing completely new kits new Sig Riser 100 enlarge ment Two Meter ship Gold bergs new Sophisticated Lady develop ment ubiquitous Gentle Lady Most excitement show year centered around announcement new microprocessor computer chip radios Airtronics Futaba ra dios along JR Galaxy Multi plex Royal already mar ket will surely radios future sophisticated Sailplanes list should added microprocessor conversions Emulation Electronics Control Systems Laboratories com panies sell replacement encoder circuits will convert older radios say Futaba Conquest equivalent $1000 ra dio beauty new computer radios can buy generic aircraft set opposed helicopter custom program specialized Sail plane tricks desire can mix rud der ailerons elevator flaps flaps ailerons etc Basically can mix anything anything else lend some coherence presenta tion Ill divide three parts Part 1 will cover new radios Part 2 will Sailplanes Part 3 will discuss thing else Before getting what saw trend thats becoming important Id like mention consideration growing interest Sailplanes launched electric motors No Im talking about electric winches mean electric mo tors propellers isnt new youre thinking may subtle difference past Electric planes just Electric planes idea now coming around using motor get plane up can soar extra weight motor system has often found help rather hindrance soaring Modern August 1988 39 Frank Heinrich Robbe Model Sport shows off new 137-in-span ASW-24 Scale Sailplane features unbreakable plastic fuselage balsa-covered foam wings gorgeous model should terrific flier Steve Helms shows us Futabas new PCM 1024 Computer Series 9-channel transmit ter system has real time response stepless servo action Available midsummer Bob Henaud witfl tne prototype ot Alrtron Ics new microprocessor transmitter system should available later sum mer will list $500 four servos Mr SR Batteries himself Larry Sribnick addition extensive line batteries Larry now handling chargers motors kinds essential Electric flight items winning model Sailplane competition 168-in-span Pterasaur built Mike Kummerow second year row Mike has taken home trophy Congrats Left Bob Sealy holds new 129-in fiberglass Ultima Should great model looking get competition See text what Bob up Right Susie Lipp Windsong took 3rd Sailplane competition winning new Airtronics radio Left Theres good chance Bob Banka can provide scale documentation need Call Scale Model Research 714 979-805 find out Right Top Flites Scott Christensen displays Phasoar 60-in Electric Astro 035 Cobalt Look new kit very near future Sailpianes moving faster-strongerheavier philosophy anyway Purists will nat urally insist pure Sailplane fliers cant locate field big enough winch hi-start electric motor launching makes lot sense Id happy hear what readers think about can kick around regular monthly RC Soaring column Radios Airtronics big news new yet unnamed six-channel microprocessor PCM set will list $500 four ser vos Sanwa Japan will make exclu sively Airtronics should out about midsummer will have capabil ity mixing three channels other three can get mixing flap erons spoilerons elevons V-tail elevator flaps rudder ailerons etc can get elevator preset trim aileron dif ferential both flaperon spoileron modes has other usual features like dual rate adjustment adjustable exponential rate tied dual rate end point adjust ment channels built-in voltage regulation Airtronics recently introduced new Spectra PCM seven-channel Quantum PCM eight-channel radios very good sets listing $600 $800 re spectively puts above new sixchannel computer radio may adaptable Sailplanes guess can tell Im anxious try new six-channel set Futaba showed new nine-channel 1024 PCM/PPM microprocessor radio should available midsummer will mix four channels other four can programmed up six indi vidual planes fly six planes transmitter just tell plane want fly computers memory will recall trim settings partic ular transmitter programmed press ing buttons bottom front case large LCD display window shows graphic representation Pattern plane guess can live help show whats happening set has rest modem conveniences could expected top-of-the-line radio like will list $1000 four ser vos JR Propo showed extensive line ra dios including microprocessorcontrolled Galaxy Computer 8 set has available about year has re ceived excellent comments fliers have flown eight-channel set will mix four channels including flaperons V-tail can store trim data seven different planes As usual Galaxy 8 available Pattern Helicop ter versionsthe Pattern set selling $57999 four servos direct Cir cus Hobbies latest news JR Propo now ing handled Hobby Dynamics dis tributor local dealers JR company Japan Remote Control very large fac tor worldwide RC sales hasnt pene trated US market mail order sell ing much might have local dealers JR makes extremely sophisticated radios Graupner Germany radios made Graupners specifications normal European frequency spacing receivers can cope transmissions just 10kHz apart Consequently JR should 40 Model Aviation U Left Alan Berg L Michael Anderson Matrix Enterprises can provide case safeguard Vour models other items Right Stuart Pearce Jack Nunn representing Yorkshire Enterprises Canada model 100-ln-span Garth made Saliplanes International Left Three League Silent Flights new officers L-R VP Ray Hayes Treasurer Susie Lipp President Bob Steele Theyre ded icated revitalizing LSF want hear Right John Foltu JM Glascraft D version popular Penetrator Slope shIp have no trouble Us 1991 specs call ing RC frequencies 20kHz apart commercial users sandwiched betweenso effectively need 10kHz protection wonder JR Propo will bring some Graupner sets sale Likely will expensive have features gung-ho F3B flier could possibly hope Emulation Electronics Perhaps saw three-part article RC Modeler called Hi Tech Encoder written brothers Martin Tom Hendrickson Tim Ahrens about converting AM FM PPM transmitter use Moto rola microprocessor chip encoding Hendricksons have now gone produc tion selling complete printed cir cuit encoder board do-it-yourself model ers want very sophisticated radio reasonable price Basically what throw away everything inside transmitter except RF section wire up brothers 3 x 45-in PC board board designed drop Futaba Conquest can eas ily adapted other transmitters will work four- eight-channel radios can mix five channels can store data four planes Hendricksons have incorporated unique feature design called autotrim way works Assume flying along holding up-trim keep plane diving autotrim need press hold button computer will gradually like Continued page 131 August 1988 41 Larry King displays new Sophisticated Lady Carl Goldberg Models two-meter ship update wing same companys highly successful Gentle Lady Safety/Preston Continued page 22 either kites model airplanes near airports kite question reported glider-type kite 12-ft wingspan being flown 200-lb-test nylon line about two miles Palo Alto CA airport An eight-year-old girl flying kite father Rockwell Turbo Commander re ported flying altitude 800 ft snagged line newspaper reported girl dragged about 100 ftover fathers head almost tree before let go line Fortunately seri ously injured may freak accident Ive never before heard full-scale aircraft snagging kite string am using story stress im portance avoiding model flying areas low-flying full-scale aircraft may encoun tered FAAs Model Aircraft Operating Standards state fly higher 400 ft above surface operate closer three miles boundary airport unless permitted appropriate air traffic control facility airport manager Have safe month Taylorcraft/Shepherd Continued page 37 One-off fiberglass cowlings can made using styrofoam mold two coats one-hour epoxy shown ouflines plan prefer purchase yours high-quality cowls available Fiber glass Master Dept MA Rt 1 Box 530 Goodview VA 24095 Telephone 1-703890-6017 Both T-Craft models given polyure thane finishes good results clipped-wing version used Pactra Tropic Blue Dark Blue doctoring Sil ver Metallic get right shade stan dard model successfully finished Red Devil gloss spray cans Since know no hobby outlet source paint purchased local lumberyard cabins both models finished fair degree realism want go whole nine yards detailing cabin interior follow basic scale ratio two inches foot dual project brought lot en joyment Im confident will same whether build clippedwing standard version both Toledo/Blakeslee Continued page 41 three seconds reset elevator neutral trim spot holding Isnt science wonderful Trim pots can still used also Programming done button lights mounted right PC board Hi Tech Encoder available directly Hendricksons $175 plus $5 ship ping Address 2206 5 Lynn Urbana IL 61801 telephone 217 344-8740 Sailpianes Ace RC Bad news Im afraid Ace planning come out Leon Kincaids three-meter Scooter season cause expanding plant will de layed until later Scooter should kit worth waiting stay tuned Airtronics Sailplane line continues Oly 600 Oly II Sagitta Cumic Cumic Plus latest kit Two Meter Electric called Eclipse has allbuilt-up construction three-piece wing comes two kit versions stan dard deluxe latter includes motor 31 gear reducer folding propeller cluding whole works except motor Ni-Cd pack charger good idea cause beginners neednt worry about match ing components Tim Renaud working new Sail plane called Image will wood 100-in-span three-piece wing ailerons niche plane like believe fliers want step up Oly II try ailerons dont want go straight expensive glass/foam kits Image probably wont available until Christmastime Continued page 132 August 1988 131 fill Y16-in balsa sanded fair wire Cover landing gear finish nitrate dope SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049 051S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS & GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES ALSO COMPLETE LINE OF RACING PARTS - GLO-BEE FIREBALL & K&B PLUGS SOLID LINES RACING WHEELS QWCK FILLS ETC WE ALSO STOCK CARBON FIBER KLOTZ OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP RUBBER BANDS KSB SEELIG & IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS EVERYTHING YOU NEED FOR OLD TIMER EVENTS 132 Model Aviation American Sailplane Designs Gary Ander son San Diego proprietor company its aim source US-made Sailpianes especially unusual ones Soaring accessories Toledo Gary featuring Kling berg Wing really neat 78-in-span flying wing all-built-up construction selling like hot cakes $3995 story designer wing Rol Klingberg aerodynamicist living Sunnyvale CA working continuations Horten brothers flying wing theories purpose de sign 38-ft -span foot-launched pilotcarrying wing no vertical surfaces ing prudent person Rol built RC model make sure wing flew much interest modelers wing Rol decided produce kit Several hundred Klingberg Wing kits have sold Rol said con tinually amazed eager response Sailplaners can get mail American Sailplane Designs 2626 Coro nado Ave #89 San Diego CA 92154 tele phone 619 429-8281 youre send $300 Gary will forward com plete catalog feel up largest Scale Sailplane can buy Gary produc ing -scale ASW-20 kit form erly made Mark Smith big five meters wingspan 16 pounds weight Gary also has source obechi wing skin wood may come about 50 per sq ft can place large enough order Check Gary need some Bob Martin news will back Duralene fuselage production summer famous Coyote SR-7 slope ships will available again end summer should brand new Katie II also unbreakable Duralene fuselage should good ship trodiicing beginners wonderful world Slope Soaring plastic fuselages ideal slope planes because ten have contend rocks other un pleasantness landings Duralene about indestructible baseball bat can bounce off boulders oaly smudge show Bob also plans get clas sic Hobie Hawk back production Christmas will bring back memories lot us Bob Sealy Quality Fiberglass Bobs new 129-in-span Ultima design really beau ty should popular contest fliers has Bobs usual high quality epoxy/glass fuselage incorporates very practical slip-on nose cone fuselage made two halves has slip joint just behind wing builder needs glue parts gether fill joint will require bit work usual fuselage should safer shipment balsasheeted foam wing uses Selig 4061 airfoil three pieces center section flat bolts atop fuselage single 1420 nylon screw center has spruceand-ply box spar Bob says part bul let proof tip sections plug center panel using A-in steel joiner rods tip planform has trendy double taper leading edge sweepback allflying T-tail stabilizer screw-attached rocking mechanism atop fin Stabilizer drive via steel cable nylon tube Dry weight about 80 oz 1254 sq wing dry loading 92 oz per sq ft Bob has prototype set up using three servos coupled aileron rudder eleva tor flaps Ailerons driven bellcranks fuselage bellcranks end center section Fliers hightech radios could easily install separate ser vos aileron another rud der butterfly flaps down aile rons up could used landings Bobs factory-direct price complete kit cluding wood $18900 Bobs booth also included Javelin fly ing wing has no vertical surfaces kit sells $3900 big crosscountry kit Constellation really stood out too has 167-in span also uses Selig 4061 airfoil section wing balsa-covered foam incorporates both flaps spoilers nice fiberglass fu selage price $22750 ship becoming very popular X-C fliers Bob says will moving Nashville soon will concentrating kit manu facturing expects cut back sub stantial array epoxy-glass fuselages has making can reach Bob 521 96th Lane NE Blame MN 55434 tele phone 612 780-2737 Carl Goldberg Models Sophisticated Lady new plane CG Its heritage Gentle Lady similar wing everything else new has T-tail beefed up widened fuselage clear canopy detailed cockpit pilot overall effect sexy looking Two Meter ship thats sure appeal buy ers looking realistic looking trainer Also available Electric power pod bands above wing on/off servo switch pod battery goes inside fuselage So phisticated Lady priced $5499 power pod $3999 CG has taken over distribution Model Magic Filler Epoxy Plus both excellent products probably will find greater modeler acceptance Goldberg name behind Magic Filler creamy spackle good filling small holes making fillets sands nicely quite strong Epoxy Plus filled two-part white epoxy 25% lighter flexible regular epoxy adhesives can used just about application would use epoxy can sanded carved easier Pot life 8 mm being filled tends stay put Both products worth try Davey Systems Ted Davey started kit manOUR REV-UP INVENTORY AVERAGES OVER 9000 PROPS I! CALL FOR IMMEDIATE SHIPMENT ON VISA OR MASTERCARD ORDER BY MAIL OR PHONE 619728-4365 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRES INVITED MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 ORflFfl UIDDCfl IAIITUIAI 24 HOURS 6% TAX have long liked heavier faster efficient Sailplanes typical kit has fiberglass plastic fuselage balsaor obechi-covered foam wings aile rons very good slope flying boot fliers finding extra weight isnt detriment thermal flying planes allowed use higher cruis ing speed cover sky find lift Further though planes flying faster efficiency allows sink slowly slowly floater Consequently starting same launch height zero-lift air heavy Sail plane could well have longer flight times Dynaflite combination Mark Smiththan lightweight ship Models Craft Air Jemco Mark Jim especially enthused about new person did have new Sail-electric motor unit Graupner has planes What newsworthy numberbelt reducer shaft extension folding prop oldies goodies Mark still hasand spinner can use eight 12 available growing interest Vin-cells power unit less battery sells tage RC Gliders say pre-1975 Dyna-for $6900 Jim says unit flute catalog contains Marks original Wind-new Graupner ASW-22B will ideal free Tom Williams Windrifter Davewill launch p ane twice Thornbergs Bird Time bit mod-charge over winch launch height ex em Blame Rawdons Mirage Dicktra weight doesnt harm performance Odles RO-8 kits have lot ofcause plane flies best ballast anynostalgia themway free catalog available HL Dynaflite selling almost-ready-to-flywriting 5614 Franldin Pike Cir ARF Wanderers Piece 0 Cakes Acle Brentwood TN 37027 telephone 615 clever idea POC instructions373-1444 Wait until see ne showing kids take motor ra-Graupner four-meter Grob Twin Acro dio correct frequency theirScale Sailplane What beautyand electric-powered car install same the$83500 glider just slap propeller go flying Dynaflites address PO Box 1011 San Marcos CA 92069 telephone 619 744-9605 Hobby Lobbys Jim Martin guy really excited about electric-motor launch ing Sailplanes Jim imports Graup ner line Sailplanes accessories familiar what happening Eu rope especially Germany Germans Hobby Shack imports lot ARF planes few Gliders Electrics New year 72-in-span Elec 1800 EZ Company Japan comes com plete motor gear drive prop $18000 Just drop radio seven-cell pack go flying Fly does said John Lupperger another example weight speed compete effec tively traditional floaters ufacturing Sailpianes has now grown big line power kits Sail plane kits remain Prophet Two Meter 100-in sizes 15-meter Ariel hand launching slope thermal fly ing Ted says still has some neat lit tle Sport Winches hand minia ture winches use motorcycle battery Its just ticket need carry equipment long way complete set cluding line parachute turnaround $23495 plus UPS address Davey Systems 675 Tower Lane West Chester PA 19380 telephone 215 430-8645 JM Glasscrafts John Foitu says beauti ful little 48-in-span Penetrator selling like crazy especially California semiscale P-s 1 glass/foam kit dynamite slope horrors glow engine year its D ver sion ie clear canopy instead fastback Its really pretty basic kit $5400 plus $400 D version de luxe kit includes wood hardware $7650 plus $4 D Add $300 shipping want something especially cute about five-eights-size Penetrator called Pee Wee Penetrator has 28in span John says flies great Need less say micro-size radio components required fit nicely basic deluxe kits $3800 $5250 respectively postpaid Contact John 30820 Mayflower Roseville MI 48066 telephone 313 773-7069 Model Engineering Norwalk 14EN Jerry Jarvis Sailplane kit Gob bler won F3B World Champion ship Dwight Holly 1981 Technology has course advanced since Gobbler would still fine club Divi sion II under 12 oz/sq ft wing loading F3B competition MEN source high quality mandrelformed extruded hi-start rubber Jerry has 100-ft lengths light %2 $3895 medium /t6 $4110 heavy % $5770 super heavy 34 $8190 approximate pounds pull size 200% stretch double un stretched length 7 9 12 17 respec tively Jerry has developed some neat acces sories hi-starts especially like gad get slips ends rubber provide ring swivel Costs $300 worth MENs address 54 Chestnut Hill Norwalk CT 06851 134 Model Aviation MODELERS FIGHT-BACK / TRUE-FACTS NEWSLETTER Tired being ignored editors Fed up never having questions answered EIGHT BACK Join us letter year reader written publication open letter communication between fellow medelers RIC infreeflight good thing NATS east Mississippi Noise limits models flying Sites What fair insurance what risks ALL LETTERS PUBLISHED $300 recieve copy $550 pub letter & copy $1950 4 issues & letters 1 yr Quarterly July OctJsn.April THE PTERANODON PRESS PO Box 3sss OAKLAND CA 54t59 SBus CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get prolected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises 2540 RIDGE ROAD LANSING ILLINOIS 60438 P S Send catalog modelers safely supplies ifi-TECH ENCODER microprocessor based encoder board designed replace encoder board Futaba Conquest Ace Silver Seven transmitters compatible other AM FM radios market FEATURES complete calibration system trimpots stores calibration constants four aircraft maintained during power off can mix firat five channels other first five channels inS variety configurations exponential trim five strengths mixing expo trim can tamed off duristg flight control trim thronle cut-off dual-rates servo reversing outputs four eight channels POWER REQUiREMENTS 32ma @ 96vdc SIZE 3 x45 x75 inches SEND $400 installation operation manual oaly $17500 completely assembled tested encoder installation operation manual Please stare transmitter model nuntber channels Add $500 shipping handling EMULATION ELECTRONICS 2206 S Lynn Urbana 1L61801 217344-8740or217-4897647 IIAVEYYSTEMS Luci lER 075 HYPERIHRUSI motor fused switch harness propeller adaptor 8/ 4 fibreglass propeller LUCIFER has computeroptimized E-193 airfoil superb L/D tremendous speed range ideally suited fliers because its inherent stability enough flat-bottom wingSIZED TO FL floaters barely stagger up a____________________ couple hundred feet Build LUCIFER enjoy performance thQt expectl Big enough fly like sailplane should small enough repeatedly climb Pin-Head altitude battery charge Pre-cut fuselage sides accurate die machine cut selected woods complete rolled plans hardware detailed instructions piece wing spruce spars strength simplicity building IIAVEY YSTEMS i oRPoRATION Special Combo Price 675 TOWER LANE WEST CHESTER PA 19380 215-430-8645 Robbe Modelisport keeping German tradition big beautiful Scale Sailpianes Robbes latest offering 35meter 137-in ASW-24 full-size Schleicher Standard Class 15-meter span ship has just come market 24 features latest double-trapezoid wing geometry ie double sweepback tip leading edges model employs F3B-proven Quabeck HQ-30113 airfoil should give excellent performance wide speed range fuselage made unbreakable Plura molded white plastic foam wings tail balsa covered need cover balsa parts install radio kit $27995 may first sound like lot consider scores hours work kit like saves price actually quite reasonable Also hav ing everything factory made ensures ac curate machineand will fly cor rectly Incidentally Sailplanes can launched electric motor Robbe sells 10-cell electric flight set plane Robbe Germanys large full-line model manufacturers addition glid ers make power planes cars boats kinds accessories catalog veritable bonanza gorgeous toys Id recommend sending $600 Robbe get full catalog Address 180 Town ship Line Rd Belle Mead NJ 08502 buy over $50 worth products $6 deducted way Frank Heinrich Robbes US manager told Robbe factory near Fulda often go over Wasserkuppe test Sailplanes Howd like work Sig Mfg Co Mike Pratt has enlarged Sigs Two Meter Riser nice looking 100-inspan Sailplane said very easy build aimed beginner inter mediate flier Riser 100 should prove popular maln kit category now venerable Oly II has Lite Ply fuse lage sides Eppler 205 airfoil two-piece wing optional though highly recom mended spoilers space stan dard size servos beginner ser vos come sets could start Riser 100 having buy mini servos Riser 100 lists $5995 Also featured Sig both new Easy Hinges such simple looking items easy overlookbut terrific 12 thousandths inch thick Mylar special wicking coat install just cut thin slot surface say rudder fin assemble surfaces hinges place put drop two thin cyanoacrylate glue CyA both sides hinge CyA wicks balsa its impossible pull out hinges After CyA has hardened just wiggle surfaces CyA ex posed part hinge pops off make neat tidy sell $295 24 Top Flite Sailplane kits remain 56-in Wristocrat Two Meter Metric 100-inspan Antares Scott Christenson anticipates kitting Astro Cobalt 035-powered Pha soar soon Its wing similar Wristo crat fuselage tail different ought just ticket getting few flights during lunch hour Yorkshire Enterprises Canada North American agent Sailplanes International British Sailplane kit man ufacturer SI has line about 10 Gliders especially nice slope planes can ar range Stuart Pearce have SI kit shipped direct Britain ex ample 100-in -span Garth shown photo Stu Jack Nunn will come over about $14500 Stuart can probably help obtain other goodies Britain Contact him 40 Holgate St Barrie Ont Canada [AN 2T7 tele phone 207 726-6208 Other Exhibitors Kraft Midwest youre like still rely old Kraft radios youll want know Pete Waters specializes Kraft parts service Hell also repair con vert other brands Petes address 117 East Main Northville MI 48167 tele phone 313 348-0085 LSF NSS League Silent Flight Continued page 139 August 1988 135 THE WORLD IS FLYING 1N RED DEER IN 1988 AUGUST 1 13th ORLD CHAMPIONSHIP AND YOU CAN BE PART OF THIS WORLD CLASS EVENT BY OWNING YOUR OWN SET OF OFFICIAL COMMEMORATIVE PINS POPULAR AVIATION ARTIST JOHN P FERGUSON HAS DESIGNED SEVEN PINS EXCLUSIVELY FOR WAC 88 DEPICTING THE OFFICIAL LOGO AND SIX COMPETING COUNTRIES THIS BEAUTIFUL FRAMED SET CAN BE YOURS FOR ONLY US $4995 AS UONUS EACH ORDER WILL RECEIVE THREE ADDITIONAL COLLECTOR PINS FROM THE INTERNATIONAL FESTIVAL OF FLIGHT THESE FULL COLOR CLOISONNE PINS ARE OF SUCH HIGH QUALITY THAT WE ABSOLUTELY GUARANTEE YOUR SATISFACTION OR YOUR MONEY BACK Ehe authorized WAC88 pins available HOW TO ORDER SEND MO VISA MASTER CARD OR AMERICAN EXPRESS TT cRESTWOOD EMBLEMS PO BOX BOBS STN C EDMONTON ALBERTA CANADA T5B 4K6 US$4995 FOR EACH SET PLUS US$300 FOR POSTAGE AND HANDLING Toledo/Blakeslee Continued page 135 Ehe National Soaring Society again shared booth LSF just elec tion new officers hand President Bob Steele VP Ray Hayes Secre tary Jim Martin Treasurer Susie Lipp Representing NSS President Pete Carr DistricE Ill VP Ed Lightcap Sailplane community indeed fortu nate have such capable people serving both organizations group has exciting plans make Soaring bigger better us keep name LSF mailing list send card PO Box 647 Mundelein IL 60060 Bob Steeles address 10173 St Joe Rd Ft Wayne IN 46835 telephone 219 485-1145 youd like NSS info write Pete Carr 329 Little Ave Ridgeway PA 15053 telephone 814 772-4851 Magazines American model maga zines hand plus two British pub lishers Since probably already know about American ones Ill just say few words about British mags Argus Specialist Publications puts out two magazines interest Sailplaners Ra dio Control Models Electronics Ra dio Modeler used available through AMA just read ar rangement being dropped So now well have send checks directly Argus PO Box 35 Wolsey House Wolsey Road Hemel Hempstead Hertfordshire HP2 4SS England RM $3000 per year RCM&E $3100 Radio Control Model World easier deal because Traplet Publications has US office RCMW joy read maialy because Soaring column writ ten Sean Walbankalso White Sheet newsletter fame Sean corresponds about half Soaring clubs world material covers wide range ledo Special price $3000 per year tell BB sent shoald OK Write Traplet Distribution USA 1635 Wade Dr Paso Robles CA 93446 telephone 805 239-0997 Scale Model Research Bob Banka busy one-armed paper hanger selling Foto-Paaks Scale interest surging color pictures need finishing documentation Foto-Paaks contain 10 28 color shots air plane particular type Bob has Paaks 57 different Sailplanes 19 motor glid ers adding new ones time its good inquire hearts desire availableor coming SMRs address 2334 Ticonderoga Way Costa Mesa CA 92626 telephone 714 979-8058 Space Case easy-to-remember name line plastic cases can custom designed hold protect thing transmitters complete planes Space Cases also popular RC car crowd power fliers railroad ers 1987 US F3B Team used Space Cases planes winches other stuff Everything went Germany back fine shape Suggest contact Ma trix Enterprises 7015 Carroll Rd San Diego CA 92121 telephone 619 4509509 SR Batteries Larry Sribnick guy can supply nickel-cadmium pack might needbe transmitter re ceiver electric motor something else SR first offer high capacity packs will still custom make sort pack specifications Cells packs guaranteed form memory Larry says response customer demand single source batteries accessor ies now stocking high quality charg ers connectors motors hookup wire etc good service because beginners experts too often confused about batteries chargers full info send 45C pre-addressed return envelope SR Box 287 Bellport NY 11713 telephone 516 286-0079 Sailplane static competition seven Sailplanes enteredand two powered Come Sailplaners Lets show em beauties next year Mark Kummerow Chicago won second straight yearboth years flying wings Last year 200-in Ultra saur year 168-in PetraSaur inspiration both plane Gene Dees Icarosaur specs PetraSaur 168 span 11 chord 2070 sq area E-174/HQ 0010 airfoils 29 sweep 50 washout 10 dihe dral 15 winglet span 514 chord 80 sq area NACA 0009 airfoil 10 lb weight three channels controlling elevons flaps Construction foam carbon fiber balsa plywood spruce Ultracote MonoKote EconoKote Well done Mark Howd Ultrasaur go Second place went Troy Lawickis nicely finished Fiesta Multiplex kit third place new LSF trea surer Susie Lipp beautiful Windsong Susies ship has over 100 flights it looks better new ones Cant stand Radio Technique/Myers Continued page 43 SD 57013 605/987-5924 basic thing know about TRC Fast Charger thao monitors rate-of-change voltage pack being charged shuts off 1 detects quick voltage rise typical siEuatlon pack fully charged gas bubbles starting form 2 detects quick voltage drop typical fully charged cell going overcharge Because uses voltage-change monitoring does depend measuring absolute voltage TRC Fast Charger doesnt care cells pack same reason will fully charge cells old have high resistance certain cells havent charged couple months Try slow charging scrap have early model TRC Fast Charger can fooled shutting off before pack fully charged An easy way fool charger move around battery leads during charging session start prob ing around circuit voltmeter either procedures will cause enough change contact resistance present itself voltagechange monitoring circuit abrupt voltage rise drop Charging stops automatically Later models have desensitized ignore abrupt voltage changes Actually prefer charger shut off too soon action causes undercharging easily rectified Assuming know pack being charged exhausted know nominal capacity cell August 1988 139
Edition: Model Aviation - 1988/08
Page Numbers: 38, 39, 40, 41, 131, 132, 134, 135, 139
At umnist takes us Byron Blakeslee 0 Sailpianes Come along ride Toledo through thermals years resident Soaring col Toledo Expo Top The usual zoo Toledo helium balloon being flown designer/builder George Steiner Its two tiny electric motors pivot move balloon direction Left Designer Mike Pratt proudly hoids new Sig Riser 100 Standard Ciass version 2-meter Riser well suited Soaring trainer Right Rol Klingberg holds flying wing Gary Anderson American Sailplane Designs looks 38 Model Aviation THE FOURTEENTH running ledo RC Exposition held April 8-10 Sports Center Again weather quite nice Stories about terrible Toledo weather always Attendance very heavy crowds appeared about same last years record Judg ing eager lookers RC indus try very much alive well Modelers go Toledo spring find out whats new general RC show phases activity repre sented manufacturer distributor displays powered aircraft Pattern sport Scale planes represented biggest part RC cars second boats third Strangely anyway Id guess Sailplanes Helicopters about tied fourth find peculiar because owing number Sailplane kits sold number Soaring clubs country would think number Sailplane ven dors would rank higher Could just buy fewer companies As what new Sailplanes Bob Sealys 129-in Ultima Klingberg 78-in Flying Wing completely new kits new Sig Riser 100 enlarge ment Two Meter ship Gold bergs new Sophisticated Lady develop ment ubiquitous Gentle Lady Most excitement show year centered around announcement new microprocessor computer chip radios Airtronics Futaba ra dios along JR Galaxy Multi plex Royal already mar ket will surely radios future sophisticated Sailplanes list should added microprocessor conversions Emulation Electronics Control Systems Laboratories com panies sell replacement encoder circuits will convert older radios say Futaba Conquest equivalent $1000 ra dio beauty new computer radios can buy generic aircraft set opposed helicopter custom program specialized Sail plane tricks desire can mix rud der ailerons elevator flaps flaps ailerons etc Basically can mix anything anything else lend some coherence presenta tion Ill divide three parts Part 1 will cover new radios Part 2 will Sailplanes Part 3 will discuss thing else Before getting what saw trend thats becoming important Id like mention consideration growing interest Sailplanes launched electric motors No Im talking about electric winches mean electric mo tors propellers isnt new youre thinking may subtle difference past Electric planes just Electric planes idea now coming around using motor get plane up can soar extra weight motor system has often found help rather hindrance soaring Modern August 1988 39 Frank Heinrich Robbe Model Sport shows off new 137-in-span ASW-24 Scale Sailplane features unbreakable plastic fuselage balsa-covered foam wings gorgeous model should terrific flier Steve Helms shows us Futabas new PCM 1024 Computer Series 9-channel transmit ter system has real time response stepless servo action Available midsummer Bob Henaud witfl tne prototype ot Alrtron Ics new microprocessor transmitter system should available later sum mer will list $500 four servos Mr SR Batteries himself Larry Sribnick addition extensive line batteries Larry now handling chargers motors kinds essential Electric flight items winning model Sailplane competition 168-in-span Pterasaur built Mike Kummerow second year row Mike has taken home trophy Congrats Left Bob Sealy holds new 129-in fiberglass Ultima Should great model looking get competition See text what Bob up Right Susie Lipp Windsong took 3rd Sailplane competition winning new Airtronics radio Left Theres good chance Bob Banka can provide scale documentation need Call Scale Model Research 714 979-805 find out Right Top Flites Scott Christensen displays Phasoar 60-in Electric Astro 035 Cobalt Look new kit very near future Sailpianes moving faster-strongerheavier philosophy anyway Purists will nat urally insist pure Sailplane fliers cant locate field big enough winch hi-start electric motor launching makes lot sense Id happy hear what readers think about can kick around regular monthly RC Soaring column Radios Airtronics big news new yet unnamed six-channel microprocessor PCM set will list $500 four ser vos Sanwa Japan will make exclu sively Airtronics should out about midsummer will have capabil ity mixing three channels other three can get mixing flap erons spoilerons elevons V-tail elevator flaps rudder ailerons etc can get elevator preset trim aileron dif ferential both flaperon spoileron modes has other usual features like dual rate adjustment adjustable exponential rate tied dual rate end point adjust ment channels built-in voltage regulation Airtronics recently introduced new Spectra PCM seven-channel Quantum PCM eight-channel radios very good sets listing $600 $800 re spectively puts above new sixchannel computer radio may adaptable Sailplanes guess can tell Im anxious try new six-channel set Futaba showed new nine-channel 1024 PCM/PPM microprocessor radio should available midsummer will mix four channels other four can programmed up six indi vidual planes fly six planes transmitter just tell plane want fly computers memory will recall trim settings partic ular transmitter programmed press ing buttons bottom front case large LCD display window shows graphic representation Pattern plane guess can live help show whats happening set has rest modem conveniences could expected top-of-the-line radio like will list $1000 four ser vos JR Propo showed extensive line ra dios including microprocessorcontrolled Galaxy Computer 8 set has available about year has re ceived excellent comments fliers have flown eight-channel set will mix four channels including flaperons V-tail can store trim data seven different planes As usual Galaxy 8 available Pattern Helicop ter versionsthe Pattern set selling $57999 four servos direct Cir cus Hobbies latest news JR Propo now ing handled Hobby Dynamics dis tributor local dealers JR company Japan Remote Control very large fac tor worldwide RC sales hasnt pene trated US market mail order sell ing much might have local dealers JR makes extremely sophisticated radios Graupner Germany radios made Graupners specifications normal European frequency spacing receivers can cope transmissions just 10kHz apart Consequently JR should 40 Model Aviation U Left Alan Berg L Michael Anderson Matrix Enterprises can provide case safeguard Vour models other items Right Stuart Pearce Jack Nunn representing Yorkshire Enterprises Canada model 100-ln-span Garth made Saliplanes International Left Three League Silent Flights new officers L-R VP Ray Hayes Treasurer Susie Lipp President Bob Steele Theyre ded icated revitalizing LSF want hear Right John Foltu JM Glascraft D version popular Penetrator Slope shIp have no trouble Us 1991 specs call ing RC frequencies 20kHz apart commercial users sandwiched betweenso effectively need 10kHz protection wonder JR Propo will bring some Graupner sets sale Likely will expensive have features gung-ho F3B flier could possibly hope Emulation Electronics Perhaps saw three-part article RC Modeler called Hi Tech Encoder written brothers Martin Tom Hendrickson Tim Ahrens about converting AM FM PPM transmitter use Moto rola microprocessor chip encoding Hendricksons have now gone produc tion selling complete printed cir cuit encoder board do-it-yourself model ers want very sophisticated radio reasonable price Basically what throw away everything inside transmitter except RF section wire up brothers 3 x 45-in PC board board designed drop Futaba Conquest can eas ily adapted other transmitters will work four- eight-channel radios can mix five channels can store data four planes Hendricksons have incorporated unique feature design called autotrim way works Assume flying along holding up-trim keep plane diving autotrim need press hold button computer will gradually like Continued page 131 August 1988 41 Larry King displays new Sophisticated Lady Carl Goldberg Models two-meter ship update wing same companys highly successful Gentle Lady Safety/Preston Continued page 22 either kites model airplanes near airports kite question reported glider-type kite 12-ft wingspan being flown 200-lb-test nylon line about two miles Palo Alto CA airport An eight-year-old girl flying kite father Rockwell Turbo Commander re ported flying altitude 800 ft snagged line newspaper reported girl dragged about 100 ftover fathers head almost tree before let go line Fortunately seri ously injured may freak accident Ive never before heard full-scale aircraft snagging kite string am using story stress im portance avoiding model flying areas low-flying full-scale aircraft may encoun tered FAAs Model Aircraft Operating Standards state fly higher 400 ft above surface operate closer three miles boundary airport unless permitted appropriate air traffic control facility airport manager Have safe month Taylorcraft/Shepherd Continued page 37 One-off fiberglass cowlings can made using styrofoam mold two coats one-hour epoxy shown ouflines plan prefer purchase yours high-quality cowls available Fiber glass Master Dept MA Rt 1 Box 530 Goodview VA 24095 Telephone 1-703890-6017 Both T-Craft models given polyure thane finishes good results clipped-wing version used Pactra Tropic Blue Dark Blue doctoring Sil ver Metallic get right shade stan dard model successfully finished Red Devil gloss spray cans Since know no hobby outlet source paint purchased local lumberyard cabins both models finished fair degree realism want go whole nine yards detailing cabin interior follow basic scale ratio two inches foot dual project brought lot en joyment Im confident will same whether build clippedwing standard version both Toledo/Blakeslee Continued page 41 three seconds reset elevator neutral trim spot holding Isnt science wonderful Trim pots can still used also Programming done button lights mounted right PC board Hi Tech Encoder available directly Hendricksons $175 plus $5 ship ping Address 2206 5 Lynn Urbana IL 61801 telephone 217 344-8740 Sailpianes Ace RC Bad news Im afraid Ace planning come out Leon Kincaids three-meter Scooter season cause expanding plant will de layed until later Scooter should kit worth waiting stay tuned Airtronics Sailplane line continues Oly 600 Oly II Sagitta Cumic Cumic Plus latest kit Two Meter Electric called Eclipse has allbuilt-up construction three-piece wing comes two kit versions stan dard deluxe latter includes motor 31 gear reducer folding propeller cluding whole works except motor Ni-Cd pack charger good idea cause beginners neednt worry about match ing components Tim Renaud working new Sail plane called Image will wood 100-in-span three-piece wing ailerons niche plane like believe fliers want step up Oly II try ailerons dont want go straight expensive glass/foam kits Image probably wont available until Christmastime Continued page 132 August 1988 131 fill Y16-in balsa sanded fair wire Cover landing gear finish nitrate dope SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES 020S 049 051S & 09S ALL CUSTOM & STOCK PARTS AVAILABLE INDIVIDUALLY MANY NEW PARTS FOR OLD DISCONTINUED COX ENGINES COX PROPS & GLOW HEADS COMPETITION ACCESSORIES & CUSTOMIZED K&B ENGINES ALSO COMPLETE LINE OF RACING PARTS - GLO-BEE FIREBALL & K&B PLUGS SOLID LINES RACING WHEELS QWCK FILLS ETC WE ALSO STOCK CARBON FIBER KLOTZ OIL LATEX & SILICONE FUEL TUBING PEN BLADDER MATERIALS & HARDTO-FIND HARDWARE ESPECIALLY 2-56 & 3-48 SIZES OLD TIMER SUPPLIES COILS CONDENSERS NGK & STITT PLUGS SILK 12 COLORS QUALITY DOPE BRUSHES 5 & 7 LOOP RUBBER BANDS KSB SEELIG & IGNITION TIMERS GAS & DIESEL FUEL TUBING TRANSISTOR IGNITION SYSTEMS RESISTOR HI-TENSION LEADS 1/2A TEXACO PLAYBOY SR KIT 1/2A TEXACO ENGINES & PARTS EVERYTHING YOU NEED FOR OLD TIMER EVENTS 132 Model Aviation American Sailplane Designs Gary Ander son San Diego proprietor company its aim source US-made Sailpianes especially unusual ones Soaring accessories Toledo Gary featuring Kling berg Wing really neat 78-in-span flying wing all-built-up construction selling like hot cakes $3995 story designer wing Rol Klingberg aerodynamicist living Sunnyvale CA working continuations Horten brothers flying wing theories purpose de sign 38-ft -span foot-launched pilotcarrying wing no vertical surfaces ing prudent person Rol built RC model make sure wing flew much interest modelers wing Rol decided produce kit Several hundred Klingberg Wing kits have sold Rol said con tinually amazed eager response Sailplaners can get mail American Sailplane Designs 2626 Coro nado Ave #89 San Diego CA 92154 tele phone 619 429-8281 youre send $300 Gary will forward com plete catalog feel up largest Scale Sailplane can buy Gary produc ing -scale ASW-20 kit form erly made Mark Smith big five meters wingspan 16 pounds weight Gary also has source obechi wing skin wood may come about 50 per sq ft can place large enough order Check Gary need some Bob Martin news will back Duralene fuselage production summer famous Coyote SR-7 slope ships will available again end summer should brand new Katie II also unbreakable Duralene fuselage should good ship trodiicing beginners wonderful world Slope Soaring plastic fuselages ideal slope planes because ten have contend rocks other un pleasantness landings Duralene about indestructible baseball bat can bounce off boulders oaly smudge show Bob also plans get clas sic Hobie Hawk back production Christmas will bring back memories lot us Bob Sealy Quality Fiberglass Bobs new 129-in-span Ultima design really beau ty should popular contest fliers has Bobs usual high quality epoxy/glass fuselage incorporates very practical slip-on nose cone fuselage made two halves has slip joint just behind wing builder needs glue parts gether fill joint will require bit work usual fuselage should safer shipment balsasheeted foam wing uses Selig 4061 airfoil three pieces center section flat bolts atop fuselage single 1420 nylon screw center has spruceand-ply box spar Bob says part bul let proof tip sections plug center panel using A-in steel joiner rods tip planform has trendy double taper leading edge sweepback allflying T-tail stabilizer screw-attached rocking mechanism atop fin Stabilizer drive via steel cable nylon tube Dry weight about 80 oz 1254 sq wing dry loading 92 oz per sq ft Bob has prototype set up using three servos coupled aileron rudder eleva tor flaps Ailerons driven bellcranks fuselage bellcranks end center section Fliers hightech radios could easily install separate ser vos aileron another rud der butterfly flaps down aile rons up could used landings Bobs factory-direct price complete kit cluding wood $18900 Bobs booth also included Javelin fly ing wing has no vertical surfaces kit sells $3900 big crosscountry kit Constellation really stood out too has 167-in span also uses Selig 4061 airfoil section wing balsa-covered foam incorporates both flaps spoilers nice fiberglass fu selage price $22750 ship becoming very popular X-C fliers Bob says will moving Nashville soon will concentrating kit manu facturing expects cut back sub stantial array epoxy-glass fuselages has making can reach Bob 521 96th Lane NE Blame MN 55434 tele phone 612 780-2737 Carl Goldberg Models Sophisticated Lady new plane CG Its heritage Gentle Lady similar wing everything else new has T-tail beefed up widened fuselage clear canopy detailed cockpit pilot overall effect sexy looking Two Meter ship thats sure appeal buy ers looking realistic looking trainer Also available Electric power pod bands above wing on/off servo switch pod battery goes inside fuselage So phisticated Lady priced $5499 power pod $3999 CG has taken over distribution Model Magic Filler Epoxy Plus both excellent products probably will find greater modeler acceptance Goldberg name behind Magic Filler creamy spackle good filling small holes making fillets sands nicely quite strong Epoxy Plus filled two-part white epoxy 25% lighter flexible regular epoxy adhesives can used just about application would use epoxy can sanded carved easier Pot life 8 mm being filled tends stay put Both products worth try Davey Systems Ted Davey started kit manOUR REV-UP INVENTORY AVERAGES OVER 9000 PROPS I! CALL FOR IMMEDIATE SHIPMENT ON VISA OR MASTERCARD ORDER BY MAIL OR PHONE 619728-4365 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRES INVITED MINIMUM MERCHANDISE ORDER $1000 SHIPPING & HANDLING FEE $150 FOR INSURANCE ADD $100 ORflFfl UIDDCfl IAIITUIAI 24 HOURS 6% TAX have long liked heavier faster efficient Sailplanes typical kit has fiberglass plastic fuselage balsaor obechi-covered foam wings aile rons very good slope flying boot fliers finding extra weight isnt detriment thermal flying planes allowed use higher cruis ing speed cover sky find lift Further though planes flying faster efficiency allows sink slowly slowly floater Consequently starting same launch height zero-lift air heavy Sail plane could well have longer flight times Dynaflite combination Mark Smiththan lightweight ship Models Craft Air Jemco Mark Jim especially enthused about new person did have new Sail-electric motor unit Graupner has planes What newsworthy numberbelt reducer shaft extension folding prop oldies goodies Mark still hasand spinner can use eight 12 available growing interest Vin-cells power unit less battery sells tage RC Gliders say pre-1975 Dyna-for $6900 Jim says unit flute catalog contains Marks original Wind-new Graupner ASW-22B will ideal free Tom Williams Windrifter Davewill launch p ane twice Thornbergs Bird Time bit mod-charge over winch launch height ex em Blame Rawdons Mirage Dicktra weight doesnt harm performance Odles RO-8 kits have lot ofcause plane flies best ballast anynostalgia themway free catalog available HL Dynaflite selling almost-ready-to-flywriting 5614 Franldin Pike Cir ARF Wanderers Piece 0 Cakes Acle Brentwood TN 37027 telephone 615 clever idea POC instructions373-1444 Wait until see ne showing kids take motor ra-Graupner four-meter Grob Twin Acro dio correct frequency theirScale Sailplane What beautyand electric-powered car install same the$83500 glider just slap propeller go flying Dynaflites address PO Box 1011 San Marcos CA 92069 telephone 619 744-9605 Hobby Lobbys Jim Martin guy really excited about electric-motor launch ing Sailplanes Jim imports Graup ner line Sailplanes accessories familiar what happening Eu rope especially Germany Germans Hobby Shack imports lot ARF planes few Gliders Electrics New year 72-in-span Elec 1800 EZ Company Japan comes com plete motor gear drive prop $18000 Just drop radio seven-cell pack go flying Fly does said John Lupperger another example weight speed compete effec tively traditional floaters ufacturing Sailpianes has now grown big line power kits Sail plane kits remain Prophet Two Meter 100-in sizes 15-meter Ariel hand launching slope thermal fly ing Ted says still has some neat lit tle Sport Winches hand minia ture winches use motorcycle battery Its just ticket need carry equipment long way complete set cluding line parachute turnaround $23495 plus UPS address Davey Systems 675 Tower Lane West Chester PA 19380 telephone 215 430-8645 JM Glasscrafts John Foitu says beauti ful little 48-in-span Penetrator selling like crazy especially California semiscale P-s 1 glass/foam kit dynamite slope horrors glow engine year its D ver sion ie clear canopy instead fastback Its really pretty basic kit $5400 plus $400 D version de luxe kit includes wood hardware $7650 plus $4 D Add $300 shipping want something especially cute about five-eights-size Penetrator called Pee Wee Penetrator has 28in span John says flies great Need less say micro-size radio components required fit nicely basic deluxe kits $3800 $5250 respectively postpaid Contact John 30820 Mayflower Roseville MI 48066 telephone 313 773-7069 Model Engineering Norwalk 14EN Jerry Jarvis Sailplane kit Gob bler won F3B World Champion ship Dwight Holly 1981 Technology has course advanced since Gobbler would still fine club Divi sion II under 12 oz/sq ft wing loading F3B competition MEN source high quality mandrelformed extruded hi-start rubber Jerry has 100-ft lengths light %2 $3895 medium /t6 $4110 heavy % $5770 super heavy 34 $8190 approximate pounds pull size 200% stretch double un stretched length 7 9 12 17 respec tively Jerry has developed some neat acces sories hi-starts especially like gad get slips ends rubber provide ring swivel Costs $300 worth MENs address 54 Chestnut Hill Norwalk CT 06851 134 Model Aviation MODELERS FIGHT-BACK / TRUE-FACTS NEWSLETTER Tired being ignored editors Fed up never having questions answered EIGHT BACK Join us letter year reader written publication open letter communication between fellow medelers RIC infreeflight good thing NATS east Mississippi Noise limits models flying Sites What fair insurance what risks ALL LETTERS PUBLISHED $300 recieve copy $550 pub letter & copy $1950 4 issues & letters 1 yr Quarterly July OctJsn.April THE PTERANODON PRESS PO Box 3sss OAKLAND CA 54t59 SBus CA MASK CA glue works wonders building models right Unfortunately gives off enough fumes knock vulture off carcass modelers have suffered medical problems after inhaling CA fumes take chances special vapor respirator filters CA fumes soft face mask adjustable straps comfortably fits face sizes easy breathing valve allows prolonged use providing dependable filtering concentrations up 1000 PPM though rugged industrial mask light weight elimi nate fatigue Dont get gassed CA Get prolected Order CA Mask today Just $1247 shipping cheaper hospital visit Money order Master Charge Visa include expiration date check allow 20 days clear Sorry no CODs Pelican Enterprises 2540 RIDGE ROAD LANSING ILLINOIS 60438 P S Send catalog modelers safely supplies ifi-TECH ENCODER microprocessor based encoder board designed replace encoder board Futaba Conquest Ace Silver Seven transmitters compatible other AM FM radios market FEATURES complete calibration system trimpots stores calibration constants four aircraft maintained during power off can mix firat five channels other first five channels inS variety configurations exponential trim five strengths mixing expo trim can tamed off duristg flight control trim thronle cut-off dual-rates servo reversing outputs four eight channels POWER REQUiREMENTS 32ma @ 96vdc SIZE 3 x45 x75 inches SEND $400 installation operation manual oaly $17500 completely assembled tested encoder installation operation manual Please stare transmitter model nuntber channels Add $500 shipping handling EMULATION ELECTRONICS 2206 S Lynn Urbana 1L61801 217344-8740or217-4897647 IIAVEYYSTEMS Luci lER 075 HYPERIHRUSI motor fused switch harness propeller adaptor 8/ 4 fibreglass propeller LUCIFER has computeroptimized E-193 airfoil superb L/D tremendous speed range ideally suited fliers because its inherent stability enough flat-bottom wingSIZED TO FL floaters barely stagger up a____________________ couple hundred feet Build LUCIFER enjoy performance thQt expectl Big enough fly like sailplane should small enough repeatedly climb Pin-Head altitude battery charge Pre-cut fuselage sides accurate die machine cut selected woods complete rolled plans hardware detailed instructions piece wing spruce spars strength simplicity building IIAVEY YSTEMS i oRPoRATION Special Combo Price 675 TOWER LANE WEST CHESTER PA 19380 215-430-8645 Robbe Modelisport keeping German tradition big beautiful Scale Sailpianes Robbes latest offering 35meter 137-in ASW-24 full-size Schleicher Standard Class 15-meter span ship has just come market 24 features latest double-trapezoid wing geometry ie double sweepback tip leading edges model employs F3B-proven Quabeck HQ-30113 airfoil should give excellent performance wide speed range fuselage made unbreakable Plura molded white plastic foam wings tail balsa covered need cover balsa parts install radio kit $27995 may first sound like lot consider scores hours work kit like saves price actually quite reasonable Also hav ing everything factory made ensures ac curate machineand will fly cor rectly Incidentally Sailplanes can launched electric motor Robbe sells 10-cell electric flight set plane Robbe Germanys large full-line model manufacturers addition glid ers make power planes cars boats kinds accessories catalog veritable bonanza gorgeous toys Id recommend sending $600 Robbe get full catalog Address 180 Town ship Line Rd Belle Mead NJ 08502 buy over $50 worth products $6 deducted way Frank Heinrich Robbes US manager told Robbe factory near Fulda often go over Wasserkuppe test Sailplanes Howd like work Sig Mfg Co Mike Pratt has enlarged Sigs Two Meter Riser nice looking 100-inspan Sailplane said very easy build aimed beginner inter mediate flier Riser 100 should prove popular maln kit category now venerable Oly II has Lite Ply fuse lage sides Eppler 205 airfoil two-piece wing optional though highly recom mended spoilers space stan dard size servos beginner ser vos come sets could start Riser 100 having buy mini servos Riser 100 lists $5995 Also featured Sig both new Easy Hinges such simple looking items easy overlookbut terrific 12 thousandths inch thick Mylar special wicking coat install just cut thin slot surface say rudder fin assemble surfaces hinges place put drop two thin cyanoacrylate glue CyA both sides hinge CyA wicks balsa its impossible pull out hinges After CyA has hardened just wiggle surfaces CyA ex posed part hinge pops off make neat tidy sell $295 24 Top Flite Sailplane kits remain 56-in Wristocrat Two Meter Metric 100-inspan Antares Scott Christenson anticipates kitting Astro Cobalt 035-powered Pha soar soon Its wing similar Wristo crat fuselage tail different ought just ticket getting few flights during lunch hour Yorkshire Enterprises Canada North American agent Sailplanes International British Sailplane kit man ufacturer SI has line about 10 Gliders especially nice slope planes can ar range Stuart Pearce have SI kit shipped direct Britain ex ample 100-in -span Garth shown photo Stu Jack Nunn will come over about $14500 Stuart can probably help obtain other goodies Britain Contact him 40 Holgate St Barrie Ont Canada [AN 2T7 tele phone 207 726-6208 Other Exhibitors Kraft Midwest youre like still rely old Kraft radios youll want know Pete Waters specializes Kraft parts service Hell also repair con vert other brands Petes address 117 East Main Northville MI 48167 tele phone 313 348-0085 LSF NSS League Silent Flight Continued page 139 August 1988 135 THE WORLD IS FLYING 1N RED DEER IN 1988 AUGUST 1 13th ORLD CHAMPIONSHIP AND YOU CAN BE PART OF THIS WORLD CLASS EVENT BY OWNING YOUR OWN SET OF OFFICIAL COMMEMORATIVE PINS POPULAR AVIATION ARTIST JOHN P FERGUSON HAS DESIGNED SEVEN PINS EXCLUSIVELY FOR WAC 88 DEPICTING THE OFFICIAL LOGO AND SIX COMPETING COUNTRIES THIS BEAUTIFUL FRAMED SET CAN BE YOURS FOR ONLY US $4995 AS UONUS EACH ORDER WILL RECEIVE THREE ADDITIONAL COLLECTOR PINS FROM THE INTERNATIONAL FESTIVAL OF FLIGHT THESE FULL COLOR CLOISONNE PINS ARE OF SUCH HIGH QUALITY THAT WE ABSOLUTELY GUARANTEE YOUR SATISFACTION OR YOUR MONEY BACK Ehe authorized WAC88 pins available HOW TO ORDER SEND MO VISA MASTER CARD OR AMERICAN EXPRESS TT cRESTWOOD EMBLEMS PO BOX BOBS STN C EDMONTON ALBERTA CANADA T5B 4K6 US$4995 FOR EACH SET PLUS US$300 FOR POSTAGE AND HANDLING Toledo/Blakeslee Continued page 135 Ehe National Soaring Society again shared booth LSF just elec tion new officers hand President Bob Steele VP Ray Hayes Secre tary Jim Martin Treasurer Susie Lipp Representing NSS President Pete Carr DistricE Ill VP Ed Lightcap Sailplane community indeed fortu nate have such capable people serving both organizations group has exciting plans make Soaring bigger better us keep name LSF mailing list send card PO Box 647 Mundelein IL 60060 Bob Steeles address 10173 St Joe Rd Ft Wayne IN 46835 telephone 219 485-1145 youd like NSS info write Pete Carr 329 Little Ave Ridgeway PA 15053 telephone 814 772-4851 Magazines American model maga zines hand plus two British pub lishers Since probably already know about American ones Ill just say few words about British mags Argus Specialist Publications puts out two magazines interest Sailplaners Ra dio Control Models Electronics Ra dio Modeler used available through AMA just read ar rangement being dropped So now well have send checks directly Argus PO Box 35 Wolsey House Wolsey Road Hemel Hempstead Hertfordshire HP2 4SS England RM $3000 per year RCM&E $3100 Radio Control Model World easier deal because Traplet Publications has US office RCMW joy read maialy because Soaring column writ ten Sean Walbankalso White Sheet newsletter fame Sean corresponds about half Soaring clubs world material covers wide range ledo Special price $3000 per year tell BB sent shoald OK Write Traplet Distribution USA 1635 Wade Dr Paso Robles CA 93446 telephone 805 239-0997 Scale Model Research Bob Banka busy one-armed paper hanger selling Foto-Paaks Scale interest surging color pictures need finishing documentation Foto-Paaks contain 10 28 color shots air plane particular type Bob has Paaks 57 different Sailplanes 19 motor glid ers adding new ones time its good inquire hearts desire availableor coming SMRs address 2334 Ticonderoga Way Costa Mesa CA 92626 telephone 714 979-8058 Space Case easy-to-remember name line plastic cases can custom designed hold protect thing transmitters complete planes Space Cases also popular RC car crowd power fliers railroad ers 1987 US F3B Team used Space Cases planes winches other stuff Everything went Germany back fine shape Suggest contact Ma trix Enterprises 7015 Carroll Rd San Diego CA 92121 telephone 619 4509509 SR Batteries Larry Sribnick guy can supply nickel-cadmium pack might needbe transmitter re ceiver electric motor something else SR first offer high capacity packs will still custom make sort pack specifications Cells packs guaranteed form memory Larry says response customer demand single source batteries accessor ies now stocking high quality charg ers connectors motors hookup wire etc good service because beginners experts too often confused about batteries chargers full info send 45C pre-addressed return envelope SR Box 287 Bellport NY 11713 telephone 516 286-0079 Sailplane static competition seven Sailplanes enteredand two powered Come Sailplaners Lets show em beauties next year Mark Kummerow Chicago won second straight yearboth years flying wings Last year 200-in Ultra saur year 168-in PetraSaur inspiration both plane Gene Dees Icarosaur specs PetraSaur 168 span 11 chord 2070 sq area E-174/HQ 0010 airfoils 29 sweep 50 washout 10 dihe dral 15 winglet span 514 chord 80 sq area NACA 0009 airfoil 10 lb weight three channels controlling elevons flaps Construction foam carbon fiber balsa plywood spruce Ultracote MonoKote EconoKote Well done Mark Howd Ultrasaur go Second place went Troy Lawickis nicely finished Fiesta Multiplex kit third place new LSF trea surer Susie Lipp beautiful Windsong Susies ship has over 100 flights it looks better new ones Cant stand Radio Technique/Myers Continued page 43 SD 57013 605/987-5924 basic thing know about TRC Fast Charger thao monitors rate-of-change voltage pack being charged shuts off 1 detects quick voltage rise typical siEuatlon pack fully charged gas bubbles starting form 2 detects quick voltage drop typical fully charged cell going overcharge Because uses voltage-change monitoring does depend measuring absolute voltage TRC Fast Charger doesnt care cells pack same reason will fully charge cells old have high resistance certain cells havent charged couple months Try slow charging scrap have early model TRC Fast Charger can fooled shutting off before pack fully charged An easy way fool charger move around battery leads during charging session start prob ing around circuit voltmeter either procedures will cause enough change contact resistance present itself voltagechange monitoring circuit abrupt voltage rise drop Charging stops automatically Later models have desensitized ignore abrupt voltage changes Actually prefer charger shut off too soon action causes undercharging easily rectified Assuming know pack being charged exhausted know nominal capacity cell August 1988 139