NO OCR TEXT fly scored max Matthew next Towing problems prevented Matthews maxing missed three-minute max Ii seconds Mike Keller last fly used up attempt shim under hor frontal stabilizer trailing edge fell out model dived line end round approaching Mike made lucky stab incidence gle went up againfor first chain seven flights perfect times put him flyoffs calm air pow erful liftmy favorite conditionshelped too Maxing rest flights ended day 14th place Charles problems round three Af ter Glider spun off launch cracking its tail boom dropped out Tow ing problems plagued Matthew day still found some good lift Gagliano brothers finished day 73rd 71st place respectively Mike Keller went max four- five-minute flyoff rounds scored 164 seconds six-minute round number two model Having caught boom ing thermal five-minute round first model lost somewhere mountainside Mike heard exclaim Id Cowley bird couldve made Though somewhat disappointed ended day fourth place US Wakefield entry Soko Cup reduced two Chris Pelatow skis model box hadnt found Rod loerger Dave Warren represented country field 44 Rod started off right attaining 3 Aminute max time spare dropped 13 seconds second round 30 fourth otherwise remained clean sixth-place standing days end Dave put up good flights too hindered long weak motor runs finished day 32nd place 842 seconds Probably event has advanced faster other FiC Power Craig Lippman Jim Troutman both flew tech nically sophisticated cutting edge models Craig brought aluminum-skinned fullfunction airplane beautiful bunt tran sition folding carbon prop Knowing bunt system invites danger de struction carbon props 2bsolete Jim Troutman used buntless models APC propeller latest rage ro March 1991 119 Left 1990 US Junior Free Flight World Championships team Standing L R Mike Keiler Team Manager Bob Sif lest Matthew Gag ilano Craig Lippman Jim Troutman Kneeling L R Chris Peistowaki Rod loerger Dave Warren Joel Grasmayer Right great puzzlement German airport offlclala Matthew Gaglianos retrieval beeper went off model box teams stopover Frank furt Man brother Charles look anxiously Bob Sifleet opens beeping box screwdriver quiet things down Left thermal-whipping crew preparee action awaiting Mike Keiiera four-minute flyoff Soko Cup contest Right Ed Pale towski shown launching Charles Gagilano great help Fl Glider team during Soko Cup flying Left Ill drink thati team celebrates fine day competition 100 square feet grass free fertilizer Right Mark Troutman hails Texas happily took duty official cow chmr grazing cattle source nature fertilizer wind howled around 20 mph note flag show went FlA Glider author some towing problems three US fliers managed max tary thrust Jim mind money APC prop sells $159 local hobby shop carbon prop can set back least $50 Joined amazing power Nelson engines high-tech features gave Craig Jim outstanding climbsthough still lost out thermal max Craig finished 21th place after sac rificing number model ther mal gods Jim went place 20th After days flying dinner field listened mix European American music awards ceremony gan dusk Flying Soko Cup gave us chance evaluate models ourselves contest conditions would face World Championships Sunday Monday team practice days fine-tuned trim models got know weather thermal characteristics field As wed heard other modelers weather nearly perfect Free Flight first hours morning 700 900 calm patches buoyant air Light variable thermal-feeding winds picked up until around noon pre vailing valley wind took over continued late afternoon Since pattern held ninety percent time planned practice schedule flying tactics around Round World Championships scheduled begin 700 morn ing FlA fliers max 300 FiB 330 FiC 400 Its hard succeed doing well first two rounds first usually critical still air performance often separates men boys arrived field morning 630 am give take breakfast put up still air flights possible helped substantially us least airplane trimmed achieve morning max perfecting trim best Glider Matthew Gagliano launched large thermal model flew out sight after dethermalizer failed plane drifted downwind first rode thermal beyond thousand feet drift ed straight back toward us right sun Several people watched least 25 minutes least clear evidence negligible drift site Having lost number Glider Soko Cup flyoffs Mike Keller spent time trimming out AL-37 Ultimate Dragmaster put final trim two Bradley-designed models adjusted zoom launch Ultimate Dragmaster Though born straight-towing days Dragmaster has proven forgiving towline easy trim good ther maler boot Overall kitted design excellent beginners model FlB team smooth practice ses sion Rod loerger flew both fine still air model new plane showed potential Dave Warren worked shortening mo tors run times powerful climb Chris Pelatowski father used up first day practice driving back Dubrovnik Chriss box finally ar rived promised models flew great right out box Power team however two days frustration bad luck Craig Lippman crashed two remaining three models beyond repair originally brought four lost Soko Cuptemporandy third model also crashed repaired Tom Kerr Craigs grandfather 120 Model Aviation Left Posing models US Fl B Wakefield team members L R Dave Warren Rod loerger Chris Pelatoweki Right Fl Gilder team models left right Matthew Gagliano Joel Grasmeyer Mike Keller FiB team 7th FlA boys 10th Left Struggling hold footing 30-mph winds several team members Rashan Samuel Australia dont seem too disap pointed learning FlA postponed till next day Right Part team used free time after flying canceled tour Worid War ii memorial beautiful country just south Mostar Two students university Mostar sewed guides US Fl C Power trio accepta first-place honors awards ciosing ceremo nies ieft second-piace Korean team third-puce Soviets right Americans secret Au three efties Future US teama may need earn negative-ieft-bunt launches Mike Keller some hard landings too though planes damaged badly Craigs Tom caine res cue again wanting feel left out Jim Troutman also managed nasty crash father still working repairs midnightand probably beyond spent Tuesday morning taking team pictures performing limited trim flights 100 pm processed models rub ber motors towlines returned Mostar until 700 pm opening ceremo nies Some us used extra time tour Mostars Old Town highlight fa mous bridge known Old Bridge built 1566 Turks equivalent $30 two local divers would leap bridge forty-degree water Ne retva River 65 feet below Regrouping walked school sta dium opening ceremonies held Since few other teams ar rived early Soko Cup practice first opportunity see 19 national teams Olympics-style cere mony included two musical groups speech es FM representatives abundance parading Day OneWednesdaydawned gray clouds rain first three months cold wind no weather flying Continued page 193 Tom Kerr prays earnestiy Yugosiavian thermai gods trusty thermistor side Toms uncanny nose thermic pivotai Americana succesa March 1991 121 Fl C World Champion Mike Kelier stands proudiy among individuai winners power Whens engine Mike Concentration filis faces Tom Kerr PlC fiier Craig Lippman wait Tensing iaunch Oniy 14 years oid passing thermai Tom showed gift Soviet flier maintained perfect score choosing air over over again meet through sixth round Unfortunateiy dropped over minute iast Chris Peiatowski scans field signs lift Chris flew Fl B team driven back Dubrovnik dad day before pick up iate-arriving modei An elated power team celebrates Its victory Team Manager Bob Sifiect Left right Craig Lippman Sifleet Mike Keiler World Championship trophy Jim Troutman holding team trophy Notice both fliers raise trophies ieft hand arrow shaft tubes can epoxied leading edges surfaces add stiffness Use rattail chain-saw file suitable diameter file semicircular groove both wings trailing edge surfaces leading edge groove should just large enough accommodate tube necessary tubes may telescoped using graduated diameters closely match taper wing Glue tube leading edge sur face using 5-minute epoxy sure sur face true glue curing Control sur faces can attached wing using arrowshaft hinges tape prefer tape because quicker lighter generates no stress points wing because control surfaces can re moved time repair painting Safety note extremely careful han dling trailing edges surface can very sharp will cut like razor warning Ill wager will cut yourself first time Once surfaces attached wing ready go Perhaps youll want prime paint competition Sailplane pigmented epoxy gives very good finish Priming painting very very time-consuming adds up 15% weight wing Dont unless just have elect paint few words caution Most paint solvents will eat styrene foam very quickly Dont rub solvent wing sur face dont gloss thick coats paint until surface well filled two things can happen both bad First solvent will seep through pinholes surface cause bubbles paint second solvent will dissolve thin foam trailing edge thereby causing glass skins separate Its pretty sight whole construction process takes two six hours actual labor two wing halves depending size complexity wing about one-third one-half time required other construction meth od actual cost materials about 25% cost construction uses balsa wings compare very favorably weight other construction methods much stronger stiffer set Two Meter wings weighs about 10 oz Terminator wings weigh 20 oz finished wings can also take beating lost Terminator #2 about 1000 ft according Casio altitude watch inside think control cable parted plane made vertical dive warp speed recenfly-plowed field planting itself vertically up its wing rods mud damage limited bent wing rod loosened empennage minor gravel rash Re pairs took less 30 minutes flying next day building wings other method Final hint Kitplanes magazine publication builders experimental aircraft other loo nies usually lists fair number suppliers composite materials tools full good ideas too will also get some valuable tips reading articles Model Aviation magazine Pylon Racers some great painting Free Flighters use radical construction methods everyone interested aerodynamics control conclude article Frank listed sources bagging supplies Since writing Frank has gone supplies business himself broad line includes everything needed bagging attractive prices too putting bagging seminars shop Thank Frank Weston valuable article Send large SASE list Franks sup plies also contains full line Sailplanes including Two Meter SAM-I 100-in Merlin 138-in Magic 160-in-span Termina tor am considering putting together complete list ing sources Sailplane building materials parts kits etc What think E Jr FF Champs/Grasmeyer Continued page 121 mention driving steep curving mountain roads few guardrails Still managed arrive ample time scheduled 700 am first round orga nizers forced move FlA Thurs day FiC FiB Friday Satur day Leaving field late morning stopped briefly hotel ate lunch university Mostar Apparently col lege food bad everywhere After lunch two young Yugoslavian wom en graduates university took Gaglianos Bob Sifleet Mike Keller tour renowned World War II merug 7d 4 ~ Podaogn Inc Only ce-tit led checks money ordem accepted Minimum order S12OOtortlmepackagesotd Pomerpolests3Soperoackage -I- $150 shipping handling CT residento add 75% sales tao Prices suhiect change inithout notice DEALER INQUIRIES INVITED Fm bother intorrnaljon dealer prices send SASE tousiness Card SERMO RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 THE LEADER IN COM PETITION NEW p DIA 12 13 14 15 16 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 5/a34 634 72833456 833/a4568 8/a4568/a7 94566Va77Ia 10456B/a7 106W8W 10SEW 114677Ia775/a8 ii SW 11 6EW* ll/a 67 12 4W 12 5W 12 56 13 56 14 56 15 56 16 4N 16 678 PROPELLERS 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 Ia 8 677/a 8 677/a 8 67 678 March 1991 193 NEW p FINGER SAVER INC P RESENTS Patented Safety Retainer No damaged fingers Eliminates need helper Allows complete freedom START & ADJUST plane ALONE High quality steel Lightweight Compact MUST flier Dealers invited NOW ONLY $1995 s&h FL res add 7% tax FINGER SAVER INC PO Box 1416 St Petersburg FL 33731 PRO SERIES 3 RO PYLON RACING SERIES 500 DIAPITCH 75N5/aN 8I6Ia7V,75/a8 SERIES 400C 8a/66a1777 977Va7/a W WIDE BLADE EW EXTRA WIDE N NARROW morial overlooking Mostar Delighted test English Americans guides later served unofficial interpreters Back hotel picked up few team members supporters drove eight miles south Buna underground river emerges rocky cliff shelters several species preda tory birds Moslem family lives cliffside dwelling near water-powered barley mill fish hatchery visit deepened appreciation Yugoslav culture its historical roots Day TwoThursdaybegan open ing round FlA sent chase crew downwind set up flight line Since wind still strongbetween 15 25 mphtowing would quite difficult Station ing Tom Kerr thermistor upwind launched warm lull released mod els much altitude possible flare went off promptly 700 morning Mike Keller launched first drop wind missed ther mal Matt Gagliano followed accept able time 203 turn began spate towing troubles missed maxes would continue three rounds second round Mike stayed up just over two minutes Matt luckier found first good air morning maxed Having towing problems scored 14 seconds after model spun off launch round three switched models found lift big lull maxed Flying second Matt caught some turbulent sink landed just over minute Mikes plane flew out medium lift missed max 30 seconds launched first round four maxed Mike followed missing max seven seconds Matt low launch milked small patch lift two-minute time fifth round Matts model spun half way down off zoom launch recov ered scored 113 Mike maxed excellent air chosen Tom Kerr sixth round coin flipped over Mikes flight lasted 1 mm 32 sec Matt booming max spun down 12 seconds after final dose towing trouble last round Matts model almost mimicked last flight touching ground 27 seconds Mike circled once found big thermal easily maxed switched third model old reliable Ultimate Dragmaster found enough lift fourth max much relief packed models fragments thereof back boxes Matt finished 36th just ahead 38th Mike Keller accumulated 948 seconds putting him 23rd Day ThreeFridaybegan winds gusting between 10 20 mph 700 am round first official flight Craig Lippman easily stayed up 400 max Jim Troutmans launch pushed over its back wind giving him 239 Mike Keller maxed big thermal selected Tom Kerr second round marked beginning overrun troubles Craig Jim clocked almost full second over See Dealer Cataloger Order they dont carry Square Cut Tools cal us pay cal pay shipp og U S aod Canada 407 254-0516___ 905 N flaroor City Bud Melbourne Fl 32935 Dealer/Olatrlbuter InquIries Invited ida Res Add 6% Sales Tax seven-second motor run thought timekeepers may have anticipated launch slow reaction times Doug Galbreath discusses sort problem June/July issue NFFS Digest Af ter some heated discussion two original timekeepers replaced some Yugo slav power fliers Just safe flier shortened engine run least secondeven though FAI Power ship means giving up 100 feet alti tude Craig Jim maxed re flights Putting up first flight round Mike barely missed 300 max Craig began round three exciting flight its horizontal stabilizer de tached launch model looped four times landed engine running 209 645 5535 GOLDEN GATE HOBBIES PO BOX 27001 FRESNO CAUFORNIA 93729 M/CVISA OR COD HA TORI RA DICICON I&fMSK HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 WE WANT NEW DEALERS ! HATORI 650 LONG PIPE $4350 TO DEALERS CATALOG $ 200 OR FREE WiTh ORDERS 194 Model Aviation Meter meter problems eater Accurate Robart aircraft alignment tools mean fewer failures fun c4f y Dealers Nationwide POBox 1247 SIChar/es IL 60174 708-584-7616 ROBARTMFS 1990 accurate way measure travel elevator aileron THE precision instrument designed toflaps rudder Attaches easily flying surface precisly accurately measure relationshipmeasures surface deflection Allows accurate between rotor blade flybar Allows fordifferential adjustments Fiits large small scale aircraft precise set-up collective inputs location Offers features greater accuracy expensive meters #1 meter setting proper thrust wing stabilizer incidence Readies new models accurate flight helps diagnose other models operate less best Fits wing tapered straight Fine tunes 1/8 degree SQL 5 pc Masters Set lIt 3/161/4 5/16 3/8$1698 3 pc Builders Set- 3/16 1/4 5/16$ 998 Satisfaction GuaranteedPRECISION MODEL PRODUCTS Launching next 55-second engine run Mike seven seconds short max Craigs model escaped damage reassembled some extra holddown rubberbands launched missed maxing half minute Pressed time end round Jim forced launch cold liftless wind dropped 20 seconds fourth round tear finally perfectly together fli naxed thanks again fine air chosen Tom thermistor Tom timekeepers said has nose thermic Mike Jim began fifth round same vein high-climbing maxes Craig launched third After clear overrun eight seconds plane caught good ther mal maxed Craig didnt have spare model since craft air three 10 minutes remaining round chase team asked return plane within seven minutesnot easy task strong wind three chase vehicles Astonishingly chasers back 5/2 minutes almost breaking land speed record Volkswagen van time Craig Tom quickly checked over processed fueled Craigs model round ended team fully focused now Without looking back plunged sixth round maxed flight Realizing theyd first team placings day Craig 7IiJhaII RIC 1db-Bar Glow Plugs Long Short Also.Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $169 Swanson Associates PO Box 151 7945 Wayne NJ 07470 Jim Mike knew seventh round critical Craig beautiful straight climb max Mike followed other Jim felt pressure keenly re leased perfect launch model cir cled higher higher buffeting wind Itll take Bob Sifleet predicted month come down perfect flight cap day US won FiC team champion ship Mike Keller new World Champion Jim Troutman finished just hind trophies fourth place Craig Lippman seventh double-headed victory unprece dented annals US Free Flight competition adult Junior did 1990 Junior FiC team break mold three fliers left-handed unique fly ing style brought group closer together Tom Kerrs astuteness finding lift made unbeatable Tom named honorary left-hander southpaws left Russians North Koreans waving left hands air jumping off right feet years American power fliers have throwing models right hand despite clear proof right hand wrong hand Only left hand can produce perfect negative-left-bunt launch kind brings max after max regard less conditions US FiB Wakefield team began Made U S BARSTOCK ALUMINUM SPINNERS Part NoSize 11150-B 12 TT-175B 314 11-2000 11-225B 1/4 fl-226B 114 FAI 11250-B .. 2-1/2 TT-251-B /2 FAt .. TI-275-B . 23/4 11-276-B . 23/4 FAI 00B 11-301-B3 FAI TT-325B . 3-1/4 TT-350B.. 3-1/2 11-375-B. 3-3/4 11-400-B RetailApprox PriceWeight $1395058 ox 1495095ez 159510002 169516002 1695150ox 1695190ox 2095170oz 2295220ox 249520002 269526002 269525002 3695340oz 4995470ox 599552002 6995570ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Part NoSize 11-140-A . 1/4-26 47-A . 1/4-26/7mm TT-610-A.6x 10mm TI-hO-A.7x 10mm 11-516-A .5/16-24 11-516-A 24/Bmw TT-B10-AB x 10mm 11-625-AB x 125mm TT-375-A3/6-24 11-125-A10 x 125mm RetailApprox PriceWeight 5495 .06102 495.061ox 49506302 495. 06202 495..07602 495..07602 495 076oz 495 07502 595 .ll7ox 595liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 March 1991 195 5H710 Pkg 24 $295 EAsT HINEAI THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge No gouging picking messy epoxies Simply Cut single knife slot tor hinge slide hinges e apply tew drops ot tavorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e &t t9e4 fza eaa & SIG MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 DO IT THE SAFE WAY START YOUR ENGINE FROM BEHIND THE PROPELLOR WITH THE SAFESTARTADAPTER Patent Pending Designed mount starter field box No mare reaching around spinning propellor remove glow battery adjustment carburetor face never over propellor Easy use Engage spinner starter drive washer give alight downward pressure activate starter downward start insures field box wont move Mount SAFE-START high enough match height aircraft Easy installation field boxes Regular SAFE-START up 90 engine JUMBO SAFE-START 120 engine Introductory Price IStarter out includedl Regular SAFE-START C34•95 plus $300 postage/handling Jumbo SAFE-START 4495 plus $300 postage/handling Check Money Orders No COD Make checks payable SAFE-START Mass residents add 5% ssles tax Manufactured WEAVER MACHINING SERVICE 6 Dewey St Maynard MA 01764 Telephone 508-897-9591 next day earnest effects storm passed Lift easier locate chase crew well-deserved rest Rod loerger started auspiciously lit erally perfect maxhis model touched ground exactly 330 Chris Pelatowski disappointing flight Dave Warren came closer 318 Rod maxed again second round Chriss model climbed well caine down nine seconds short took no chances Dave launched building ther mal rest us ran under model wav ing shirts whip up air worked Rod Dave maxed again round three Rod hooking first significant thermal day Chris glided just second short max fourth round shifting wind direc tions made lift difficult locate Rod missed thermal landed 210 Chris found little lift have model hit streamer pole way down Dave luckier maxing biggest thermal day Round five saw Chris repeating Rods last time 210 Dave climbed out fourth consecutive max Rod switched planes maxedhis fourth too sixth round Rod caught area sink landed 215 Chris maxed after energetic launch Dave waited five minutes thermal slowly built up wind time launched motor tired giving low climb low time team rebounded final round Rod Dave picked good air both maxed after low swooping launches delayed climbouts Flying Bob White No 22 model Chris minimal lift until thermal-whipping crew created bubble tripled altitude Dave Warren finished 12th final standings Rod loerger 14th Chris Pelatowski 28th closing ceremonies evening winners given trophy medal national anthems played flags displayed Living up its reputa tion Soviet Union claimed first place three events combined US team celebrated its FtC sweep again drove south Buna postceremony banquet feasted fresh fish under trees listened Yugo slav music group individual winners brought models pictures inspec tion exchanged team shirts traded other souvenirs modeling products After friendly good-byes pre pared leave Dubrovnik Its amazing common interest model airplanes breaks down cultural linguistic barriers farewell rituals repeated US team members separated Kennedy International Airport once-in-a-lifetime experience flying Junior World Champs took years preparation None us US team mem bers could have accomplished alone wish thank Joe Kresnak Karl Spielmaker Bill Shailor Jim Bradley Chuck Markos Bob Sifleet con tributed special way making dream reality United States team wishes ac knowledge following AMA providing team uniforms patches hinds well handling necessary paperwork FlA day 196 Model Aviation ADVANCES AEROCuLL 05 Wwrr roe NFORMATO5 PRODUCTS R isousirt 15V11E0 Poe AEIVArLEODAERO05OEIJCTS ST 500 365-C 555573 75003 014 524-3940 Obechi Large Sheets Please call 415 462-0672 send SASE 850 Concord Street Pleasanton CA 94566 have pt [ rand 7 ngFlver. Als 1990 Eastern Soaring Leagsue Season Championship Win makes magic competition look like voo doo aerodynamics magic 8-year-old Windsong design can still defeat com petitions newest finest just imagine what Lovesong brand new Saber can Saber being called Wlndsong Nineties high praise indeed Al White has just shown Send 2 stamps new Catalog showing complete line Multichannel Gliders Also Second Wind/90-2 nesusletter now available Second Wind $1 per issue $2 per year USA INNOVATIVE MODEL DF SUPER FAST GRIPS TIGHT WH0E PTREftS DONT REMOVA8LEiflThOtJTATMcE-SUPER ADHESIVE ToI Clear PUMmDQS THI WORK US8 BY THE PROS Simple Use Part tie MixIng Y A134IESYES Ccl Art Johnson See RC Modeler April 89 Holds Canopies ANY Material Inokaing PlasflcCoesrlngs tin hAs AThIU8 Lock I6 No Fogging Clear Parts Better SIlicone Dries lIttOfl TOn85 Masters Whiner US Heidi Fliuwalls Fiberglass 1/4 Thne Scale Team eAJIows Servos Mounted Setter C/Ks Attaching Norm Gover EdItor Scale RV Modeler Anywhere Wllbout Fear CanopIes PlastIc Api FrUIt Costello CalUfilnIst Flying Modets Totally Removable WIlliout Flbergtass Parts y Southeastern ContributorCausing Danuge Scale RiC Modeler Masters CompetItor Mlhe Has Superstar Helicopter Ptlot PFM Available Hobby Retailer NoL Call laevsllve Medal Pieubutu Toll Free 800 780-3190 Ordert Dealer Inquiries Wanted would have frozen team jackets Tom Kerr beautiful lift se- modelers learned about other cultures lected Doug Galbreath printing teamand learned new pride own country cards Bob Sifleet outstanding work asThe program offers young people ulti mate incentive seriously pursue modeling Bob Bill Hunter Satellite City forTeam Manager Continuing support Junior Free donating Hot StuffId like encourage AMA NFFSFlight team investment future Jim Bradley Bradley Model Productsand individual modelers nationwide fullymodel aviation Junior participation inter national Control Line Radio Control carbon fiber FlA accessoriessupport Junior Free Flight World Chain-competition would benefit US modelBetty Kerr beautiful knitted teampionships program Participating pro- sweatersgram has changed lives Weve growning community well II OFFICIAL AMA SAFETY CODEJanuary 1 1991 Model Flying Must Accordance Code Order AMA Liability Protection Apply GENERALflown indoors3 will perform initial turn after takeoff away 1 will fly model aircraft competition or7 will operate models met al-bladed pro-from pit spectator areas will U Iin presence spectators until has beenpellers gaseous boosts gasesafter fly over pit spectator areas unless beproven airworthy having previ-other air normal atmospheric pressure en-yand control ously successfully flight testedter internal combustion engines nor will I4 will operate model using radio control operate models extremely hazardous fuelsfrequencies currently allowed Federal 2 will fly model higher approxi- ch containing tetranitromethane orCommunications Commission Only properly Ii Imately 400 feet within 3 miles airport with-drazine out notifying airport operator will give right-censed Amateurs authorized operate equipof-way avoid flying proximity full-8 will operate models pyrotechnics anyment Amateur Band frequencies Further scale aircraft necessary observerdevice explodes burns propels projec-any transmitters use sanctioned event shall utilized supervise flying avoid hay-tile kind including limited rockmust have certified RICMA-AMA gold sticker ating models fly proximity full-scale aircrafteta explosive bombs dropped modelsfixed indicating manufactured modi- U I3 established will abide safetysmoke bombs explosive gases such atied operation 20kHz frequency separa rules flying site use will willfullyhydrogen-filled balloons ground mounted do-tion except 27MHz 53MHZ deliberately fly models careless reck- vices launching projectileThe exceptions permitted rockets flown accordance FREE FLIGHT less and/or dangerous mannerthe Safety Code National Association 4 mmodl weighs over 20 pounds will Rocketry permanently attached per 1 will launch model aircraft unless ye y insrdance paragraph 5 sec-JATO use also items authorized Airleast 100 feet downwind spectators auto- tion AMA Safety CodeShow Team use defined AST Advisory Coin-mobile parking 5 At air shows model flying demonstrations mittee document available AMA HO Note 2 will fly model unless launch area single straight line must established side model aircraft defined aircraft clear persons except mechanic off i- U flying other side spec- engine able carry human being daIs tators Only persons essential flight9 will fly model using turbojet power ax operations permitted flying side3 will em lal centrifugal flow unless have obtained ploy use adequate device line others must spectator special waiver such specific flights flight extinguish fuses model after U side Flying over spectator side line AMA President Executive Director will has completed its function i prohibited unless beyond control abide restrictions imposed such flights exceptions may permit- Note does apply ducted fan CONTROL LINE ight line requirement under special circumstances involving consideration ofmodels using piston engines electric motors 1 will subject complete control system insite conditions model size weight speedRADIO CONTROLcluding safety thong applicable inand power must jointly approved AMAspection pull test prior flying I President Executive Director maxi-1 will have completed successful radio equipmum permissible takeoff weight models 55mont ground range check before first flight of21 will assure flying area safely clear Ibsa new repaired modelof utility wires poles 6 will fly model unless identified with2 will fly model aircraft presence3 will assure flying area safely clear name address AMA number inof spectators until become qualified flier un-of non-essential part cipants spectators model Note does apply modelsless assisted experienced helperbefore perm ft ng eng ne started L 8 Model Aviation 0 SEMI/ liii 995 PO Box 4365AIgevallmhOe*om Add $2J0 Shipping & Handling Margate FL 33WI-lobby Lobby
Edition: Model Aviation - 1991/03
Page Numbers: 118, 119, 120, 121, 193, 194, 195, 196, 198
NO OCR TEXT fly scored max Matthew next Towing problems prevented Matthews maxing missed three-minute max Ii seconds Mike Keller last fly used up attempt shim under hor frontal stabilizer trailing edge fell out model dived line end round approaching Mike made lucky stab incidence gle went up againfor first chain seven flights perfect times put him flyoffs calm air pow erful liftmy favorite conditionshelped too Maxing rest flights ended day 14th place Charles problems round three Af ter Glider spun off launch cracking its tail boom dropped out Tow ing problems plagued Matthew day still found some good lift Gagliano brothers finished day 73rd 71st place respectively Mike Keller went max four- five-minute flyoff rounds scored 164 seconds six-minute round number two model Having caught boom ing thermal five-minute round first model lost somewhere mountainside Mike heard exclaim Id Cowley bird couldve made Though somewhat disappointed ended day fourth place US Wakefield entry Soko Cup reduced two Chris Pelatow skis model box hadnt found Rod loerger Dave Warren represented country field 44 Rod started off right attaining 3 Aminute max time spare dropped 13 seconds second round 30 fourth otherwise remained clean sixth-place standing days end Dave put up good flights too hindered long weak motor runs finished day 32nd place 842 seconds Probably event has advanced faster other FiC Power Craig Lippman Jim Troutman both flew tech nically sophisticated cutting edge models Craig brought aluminum-skinned fullfunction airplane beautiful bunt tran sition folding carbon prop Knowing bunt system invites danger de struction carbon props 2bsolete Jim Troutman used buntless models APC propeller latest rage ro March 1991 119 Left 1990 US Junior Free Flight World Championships team Standing L R Mike Keiler Team Manager Bob Sif lest Matthew Gag ilano Craig Lippman Jim Troutman Kneeling L R Chris Peistowaki Rod loerger Dave Warren Joel Grasmayer Right great puzzlement German airport offlclala Matthew Gaglianos retrieval beeper went off model box teams stopover Frank furt Man brother Charles look anxiously Bob Sifleet opens beeping box screwdriver quiet things down Left thermal-whipping crew preparee action awaiting Mike Keiiera four-minute flyoff Soko Cup contest Right Ed Pale towski shown launching Charles Gagilano great help Fl Glider team during Soko Cup flying Left Ill drink thati team celebrates fine day competition 100 square feet grass free fertilizer Right Mark Troutman hails Texas happily took duty official cow chmr grazing cattle source nature fertilizer wind howled around 20 mph note flag show went FlA Glider author some towing problems three US fliers managed max tary thrust Jim mind money APC prop sells $159 local hobby shop carbon prop can set back least $50 Joined amazing power Nelson engines high-tech features gave Craig Jim outstanding climbsthough still lost out thermal max Craig finished 21th place after sac rificing number model ther mal gods Jim went place 20th After days flying dinner field listened mix European American music awards ceremony gan dusk Flying Soko Cup gave us chance evaluate models ourselves contest conditions would face World Championships Sunday Monday team practice days fine-tuned trim models got know weather thermal characteristics field As wed heard other modelers weather nearly perfect Free Flight first hours morning 700 900 calm patches buoyant air Light variable thermal-feeding winds picked up until around noon pre vailing valley wind took over continued late afternoon Since pattern held ninety percent time planned practice schedule flying tactics around Round World Championships scheduled begin 700 morn ing FlA fliers max 300 FiB 330 FiC 400 Its hard succeed doing well first two rounds first usually critical still air performance often separates men boys arrived field morning 630 am give take breakfast put up still air flights possible helped substantially us least airplane trimmed achieve morning max perfecting trim best Glider Matthew Gagliano launched large thermal model flew out sight after dethermalizer failed plane drifted downwind first rode thermal beyond thousand feet drift ed straight back toward us right sun Several people watched least 25 minutes least clear evidence negligible drift site Having lost number Glider Soko Cup flyoffs Mike Keller spent time trimming out AL-37 Ultimate Dragmaster put final trim two Bradley-designed models adjusted zoom launch Ultimate Dragmaster Though born straight-towing days Dragmaster has proven forgiving towline easy trim good ther maler boot Overall kitted design excellent beginners model FlB team smooth practice ses sion Rod loerger flew both fine still air model new plane showed potential Dave Warren worked shortening mo tors run times powerful climb Chris Pelatowski father used up first day practice driving back Dubrovnik Chriss box finally ar rived promised models flew great right out box Power team however two days frustration bad luck Craig Lippman crashed two remaining three models beyond repair originally brought four lost Soko Cuptemporandy third model also crashed repaired Tom Kerr Craigs grandfather 120 Model Aviation Left Posing models US Fl B Wakefield team members L R Dave Warren Rod loerger Chris Pelatoweki Right Fl Gilder team models left right Matthew Gagliano Joel Grasmeyer Mike Keller FiB team 7th FlA boys 10th Left Struggling hold footing 30-mph winds several team members Rashan Samuel Australia dont seem too disap pointed learning FlA postponed till next day Right Part team used free time after flying canceled tour Worid War ii memorial beautiful country just south Mostar Two students university Mostar sewed guides US Fl C Power trio accepta first-place honors awards ciosing ceremo nies ieft second-piace Korean team third-puce Soviets right Americans secret Au three efties Future US teama may need earn negative-ieft-bunt launches Mike Keller some hard landings too though planes damaged badly Craigs Tom caine res cue again wanting feel left out Jim Troutman also managed nasty crash father still working repairs midnightand probably beyond spent Tuesday morning taking team pictures performing limited trim flights 100 pm processed models rub ber motors towlines returned Mostar until 700 pm opening ceremo nies Some us used extra time tour Mostars Old Town highlight fa mous bridge known Old Bridge built 1566 Turks equivalent $30 two local divers would leap bridge forty-degree water Ne retva River 65 feet below Regrouping walked school sta dium opening ceremonies held Since few other teams ar rived early Soko Cup practice first opportunity see 19 national teams Olympics-style cere mony included two musical groups speech es FM representatives abundance parading Day OneWednesdaydawned gray clouds rain first three months cold wind no weather flying Continued page 193 Tom Kerr prays earnestiy Yugosiavian thermai gods trusty thermistor side Toms uncanny nose thermic pivotai Americana succesa March 1991 121 Fl C World Champion Mike Kelier stands proudiy among individuai winners power Whens engine Mike Concentration filis faces Tom Kerr PlC fiier Craig Lippman wait Tensing iaunch Oniy 14 years oid passing thermai Tom showed gift Soviet flier maintained perfect score choosing air over over again meet through sixth round Unfortunateiy dropped over minute iast Chris Peiatowski scans field signs lift Chris flew Fl B team driven back Dubrovnik dad day before pick up iate-arriving modei An elated power team celebrates Its victory Team Manager Bob Sifiect Left right Craig Lippman Sifleet Mike Keiler World Championship trophy Jim Troutman holding team trophy Notice both fliers raise trophies ieft hand arrow shaft tubes can epoxied leading edges surfaces add stiffness Use rattail chain-saw file suitable diameter file semicircular groove both wings trailing edge surfaces leading edge groove should just large enough accommodate tube necessary tubes may telescoped using graduated diameters closely match taper wing Glue tube leading edge sur face using 5-minute epoxy sure sur face true glue curing Control sur faces can attached wing using arrowshaft hinges tape prefer tape because quicker lighter generates no stress points wing because control surfaces can re moved time repair painting Safety note extremely careful han dling trailing edges surface can very sharp will cut like razor warning Ill wager will cut yourself first time Once surfaces attached wing ready go Perhaps youll want prime paint competition Sailplane pigmented epoxy gives very good finish Priming painting very very time-consuming adds up 15% weight wing Dont unless just have elect paint few words caution Most paint solvents will eat styrene foam very quickly Dont rub solvent wing sur face dont gloss thick coats paint until surface well filled two things can happen both bad First solvent will seep through pinholes surface cause bubbles paint second solvent will dissolve thin foam trailing edge thereby causing glass skins separate Its pretty sight whole construction process takes two six hours actual labor two wing halves depending size complexity wing about one-third one-half time required other construction meth od actual cost materials about 25% cost construction uses balsa wings compare very favorably weight other construction methods much stronger stiffer set Two Meter wings weighs about 10 oz Terminator wings weigh 20 oz finished wings can also take beating lost Terminator #2 about 1000 ft according Casio altitude watch inside think control cable parted plane made vertical dive warp speed recenfly-plowed field planting itself vertically up its wing rods mud damage limited bent wing rod loosened empennage minor gravel rash Re pairs took less 30 minutes flying next day building wings other method Final hint Kitplanes magazine publication builders experimental aircraft other loo nies usually lists fair number suppliers composite materials tools full good ideas too will also get some valuable tips reading articles Model Aviation magazine Pylon Racers some great painting Free Flighters use radical construction methods everyone interested aerodynamics control conclude article Frank listed sources bagging supplies Since writing Frank has gone supplies business himself broad line includes everything needed bagging attractive prices too putting bagging seminars shop Thank Frank Weston valuable article Send large SASE list Franks sup plies also contains full line Sailplanes including Two Meter SAM-I 100-in Merlin 138-in Magic 160-in-span Termina tor am considering putting together complete list ing sources Sailplane building materials parts kits etc What think E Jr FF Champs/Grasmeyer Continued page 121 mention driving steep curving mountain roads few guardrails Still managed arrive ample time scheduled 700 am first round orga nizers forced move FlA Thurs day FiC FiB Friday Satur day Leaving field late morning stopped briefly hotel ate lunch university Mostar Apparently col lege food bad everywhere After lunch two young Yugoslavian wom en graduates university took Gaglianos Bob Sifleet Mike Keller tour renowned World War II merug 7d 4 ~ Podaogn Inc Only ce-tit led checks money ordem accepted Minimum order S12OOtortlmepackagesotd Pomerpolests3Soperoackage -I- $150 shipping handling CT residento add 75% sales tao Prices suhiect change inithout notice DEALER INQUIRIES INVITED Fm bother intorrnaljon dealer prices send SASE tousiness Card SERMO RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 THE LEADER IN COM PETITION NEW p DIA 12 13 14 15 16 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 5/a34 634 72833456 833/a4568 8/a4568/a7 94566Va77Ia 10456B/a7 106W8W 10SEW 114677Ia775/a8 ii SW 11 6EW* ll/a 67 12 4W 12 5W 12 56 13 56 14 56 15 56 16 4N 16 678 PROPELLERS 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 Ia 8 677/a 8 677/a 8 67 678 March 1991 193 NEW p FINGER SAVER INC P RESENTS Patented Safety Retainer No damaged fingers Eliminates need helper Allows complete freedom START & ADJUST plane ALONE High quality steel Lightweight Compact MUST flier Dealers invited NOW ONLY $1995 s&h FL res add 7% tax FINGER SAVER INC PO Box 1416 St Petersburg FL 33731 PRO SERIES 3 RO PYLON RACING SERIES 500 DIAPITCH 75N5/aN 8I6Ia7V,75/a8 SERIES 400C 8a/66a1777 977Va7/a W WIDE BLADE EW EXTRA WIDE N NARROW morial overlooking Mostar Delighted test English Americans guides later served unofficial interpreters Back hotel picked up few team members supporters drove eight miles south Buna underground river emerges rocky cliff shelters several species preda tory birds Moslem family lives cliffside dwelling near water-powered barley mill fish hatchery visit deepened appreciation Yugoslav culture its historical roots Day TwoThursdaybegan open ing round FlA sent chase crew downwind set up flight line Since wind still strongbetween 15 25 mphtowing would quite difficult Station ing Tom Kerr thermistor upwind launched warm lull released mod els much altitude possible flare went off promptly 700 morning Mike Keller launched first drop wind missed ther mal Matt Gagliano followed accept able time 203 turn began spate towing troubles missed maxes would continue three rounds second round Mike stayed up just over two minutes Matt luckier found first good air morning maxed Having towing problems scored 14 seconds after model spun off launch round three switched models found lift big lull maxed Flying second Matt caught some turbulent sink landed just over minute Mikes plane flew out medium lift missed max 30 seconds launched first round four maxed Mike followed missing max seven seconds Matt low launch milked small patch lift two-minute time fifth round Matts model spun half way down off zoom launch recov ered scored 113 Mike maxed excellent air chosen Tom Kerr sixth round coin flipped over Mikes flight lasted 1 mm 32 sec Matt booming max spun down 12 seconds after final dose towing trouble last round Matts model almost mimicked last flight touching ground 27 seconds Mike circled once found big thermal easily maxed switched third model old reliable Ultimate Dragmaster found enough lift fourth max much relief packed models fragments thereof back boxes Matt finished 36th just ahead 38th Mike Keller accumulated 948 seconds putting him 23rd Day ThreeFridaybegan winds gusting between 10 20 mph 700 am round first official flight Craig Lippman easily stayed up 400 max Jim Troutmans launch pushed over its back wind giving him 239 Mike Keller maxed big thermal selected Tom Kerr second round marked beginning overrun troubles Craig Jim clocked almost full second over See Dealer Cataloger Order they dont carry Square Cut Tools cal us pay cal pay shipp og U S aod Canada 407 254-0516___ 905 N flaroor City Bud Melbourne Fl 32935 Dealer/Olatrlbuter InquIries Invited ida Res Add 6% Sales Tax seven-second motor run thought timekeepers may have anticipated launch slow reaction times Doug Galbreath discusses sort problem June/July issue NFFS Digest Af ter some heated discussion two original timekeepers replaced some Yugo slav power fliers Just safe flier shortened engine run least secondeven though FAI Power ship means giving up 100 feet alti tude Craig Jim maxed re flights Putting up first flight round Mike barely missed 300 max Craig began round three exciting flight its horizontal stabilizer de tached launch model looped four times landed engine running 209 645 5535 GOLDEN GATE HOBBIES PO BOX 27001 FRESNO CAUFORNIA 93729 M/CVISA OR COD HA TORI RA DICICON I&fMSK HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 WE WANT NEW DEALERS ! HATORI 650 LONG PIPE $4350 TO DEALERS CATALOG $ 200 OR FREE WiTh ORDERS 194 Model Aviation Meter meter problems eater Accurate Robart aircraft alignment tools mean fewer failures fun c4f y Dealers Nationwide POBox 1247 SIChar/es IL 60174 708-584-7616 ROBARTMFS 1990 accurate way measure travel elevator aileron THE precision instrument designed toflaps rudder Attaches easily flying surface precisly accurately measure relationshipmeasures surface deflection Allows accurate between rotor blade flybar Allows fordifferential adjustments Fiits large small scale aircraft precise set-up collective inputs location Offers features greater accuracy expensive meters #1 meter setting proper thrust wing stabilizer incidence Readies new models accurate flight helps diagnose other models operate less best Fits wing tapered straight Fine tunes 1/8 degree SQL 5 pc Masters Set lIt 3/161/4 5/16 3/8$1698 3 pc Builders Set- 3/16 1/4 5/16$ 998 Satisfaction GuaranteedPRECISION MODEL PRODUCTS Launching next 55-second engine run Mike seven seconds short max Craigs model escaped damage reassembled some extra holddown rubberbands launched missed maxing half minute Pressed time end round Jim forced launch cold liftless wind dropped 20 seconds fourth round tear finally perfectly together fli naxed thanks again fine air chosen Tom thermistor Tom timekeepers said has nose thermic Mike Jim began fifth round same vein high-climbing maxes Craig launched third After clear overrun eight seconds plane caught good ther mal maxed Craig didnt have spare model since craft air three 10 minutes remaining round chase team asked return plane within seven minutesnot easy task strong wind three chase vehicles Astonishingly chasers back 5/2 minutes almost breaking land speed record Volkswagen van time Craig Tom quickly checked over processed fueled Craigs model round ended team fully focused now Without looking back plunged sixth round maxed flight Realizing theyd first team placings day Craig 7IiJhaII RIC 1db-Bar Glow Plugs Long Short Also.Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $169 Swanson Associates PO Box 151 7945 Wayne NJ 07470 Jim Mike knew seventh round critical Craig beautiful straight climb max Mike followed other Jim felt pressure keenly re leased perfect launch model cir cled higher higher buffeting wind Itll take Bob Sifleet predicted month come down perfect flight cap day US won FiC team champion ship Mike Keller new World Champion Jim Troutman finished just hind trophies fourth place Craig Lippman seventh double-headed victory unprece dented annals US Free Flight competition adult Junior did 1990 Junior FiC team break mold three fliers left-handed unique fly ing style brought group closer together Tom Kerrs astuteness finding lift made unbeatable Tom named honorary left-hander southpaws left Russians North Koreans waving left hands air jumping off right feet years American power fliers have throwing models right hand despite clear proof right hand wrong hand Only left hand can produce perfect negative-left-bunt launch kind brings max after max regard less conditions US FiB Wakefield team began Made U S BARSTOCK ALUMINUM SPINNERS Part NoSize 11150-B 12 TT-175B 314 11-2000 11-225B 1/4 fl-226B 114 FAI 11250-B .. 2-1/2 TT-251-B /2 FAt .. TI-275-B . 23/4 11-276-B . 23/4 FAI 00B 11-301-B3 FAI TT-325B . 3-1/4 TT-350B.. 3-1/2 11-375-B. 3-3/4 11-400-B RetailApprox PriceWeight $1395058 ox 1495095ez 159510002 169516002 1695150ox 1695190ox 2095170oz 2295220ox 249520002 269526002 269525002 3695340oz 4995470ox 599552002 6995570ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Part NoSize 11-140-A . 1/4-26 47-A . 1/4-26/7mm TT-610-A.6x 10mm TI-hO-A.7x 10mm 11-516-A .5/16-24 11-516-A 24/Bmw TT-B10-AB x 10mm 11-625-AB x 125mm TT-375-A3/6-24 11-125-A10 x 125mm RetailApprox PriceWeight 5495 .06102 495.061ox 49506302 495. 06202 495..07602 495..07602 495 076oz 495 07502 595 .ll7ox 595liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 March 1991 195 5H710 Pkg 24 $295 EAsT HINEAI THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge No gouging picking messy epoxies Simply Cut single knife slot tor hinge slide hinges e apply tew drops ot tavorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e &t t9e4 fza eaa & SIG MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 DO IT THE SAFE WAY START YOUR ENGINE FROM BEHIND THE PROPELLOR WITH THE SAFESTARTADAPTER Patent Pending Designed mount starter field box No mare reaching around spinning propellor remove glow battery adjustment carburetor face never over propellor Easy use Engage spinner starter drive washer give alight downward pressure activate starter downward start insures field box wont move Mount SAFE-START high enough match height aircraft Easy installation field boxes Regular SAFE-START up 90 engine JUMBO SAFE-START 120 engine Introductory Price IStarter out includedl Regular SAFE-START C34•95 plus $300 postage/handling Jumbo SAFE-START 4495 plus $300 postage/handling Check Money Orders No COD Make checks payable SAFE-START Mass residents add 5% ssles tax Manufactured WEAVER MACHINING SERVICE 6 Dewey St Maynard MA 01764 Telephone 508-897-9591 next day earnest effects storm passed Lift easier locate chase crew well-deserved rest Rod loerger started auspiciously lit erally perfect maxhis model touched ground exactly 330 Chris Pelatowski disappointing flight Dave Warren came closer 318 Rod maxed again second round Chriss model climbed well caine down nine seconds short took no chances Dave launched building ther mal rest us ran under model wav ing shirts whip up air worked Rod Dave maxed again round three Rod hooking first significant thermal day Chris glided just second short max fourth round shifting wind direc tions made lift difficult locate Rod missed thermal landed 210 Chris found little lift have model hit streamer pole way down Dave luckier maxing biggest thermal day Round five saw Chris repeating Rods last time 210 Dave climbed out fourth consecutive max Rod switched planes maxedhis fourth too sixth round Rod caught area sink landed 215 Chris maxed after energetic launch Dave waited five minutes thermal slowly built up wind time launched motor tired giving low climb low time team rebounded final round Rod Dave picked good air both maxed after low swooping launches delayed climbouts Flying Bob White No 22 model Chris minimal lift until thermal-whipping crew created bubble tripled altitude Dave Warren finished 12th final standings Rod loerger 14th Chris Pelatowski 28th closing ceremonies evening winners given trophy medal national anthems played flags displayed Living up its reputa tion Soviet Union claimed first place three events combined US team celebrated its FtC sweep again drove south Buna postceremony banquet feasted fresh fish under trees listened Yugo slav music group individual winners brought models pictures inspec tion exchanged team shirts traded other souvenirs modeling products After friendly good-byes pre pared leave Dubrovnik Its amazing common interest model airplanes breaks down cultural linguistic barriers farewell rituals repeated US team members separated Kennedy International Airport once-in-a-lifetime experience flying Junior World Champs took years preparation None us US team mem bers could have accomplished alone wish thank Joe Kresnak Karl Spielmaker Bill Shailor Jim Bradley Chuck Markos Bob Sifleet con tributed special way making dream reality United States team wishes ac knowledge following AMA providing team uniforms patches hinds well handling necessary paperwork FlA day 196 Model Aviation ADVANCES AEROCuLL 05 Wwrr roe NFORMATO5 PRODUCTS R isousirt 15V11E0 Poe AEIVArLEODAERO05OEIJCTS ST 500 365-C 555573 75003 014 524-3940 Obechi Large Sheets Please call 415 462-0672 send SASE 850 Concord Street Pleasanton CA 94566 have pt [ rand 7 ngFlver. Als 1990 Eastern Soaring Leagsue Season Championship Win makes magic competition look like voo doo aerodynamics magic 8-year-old Windsong design can still defeat com petitions newest finest just imagine what Lovesong brand new Saber can Saber being called Wlndsong Nineties high praise indeed Al White has just shown Send 2 stamps new Catalog showing complete line Multichannel Gliders Also Second Wind/90-2 nesusletter now available Second Wind $1 per issue $2 per year USA INNOVATIVE MODEL DF SUPER FAST GRIPS TIGHT WH0E PTREftS DONT REMOVA8LEiflThOtJTATMcE-SUPER ADHESIVE ToI Clear PUMmDQS THI WORK US8 BY THE PROS Simple Use Part tie MixIng Y A134IESYES Ccl Art Johnson See RC Modeler April 89 Holds Canopies ANY Material Inokaing PlasflcCoesrlngs tin hAs AThIU8 Lock I6 No Fogging Clear Parts Better SIlicone Dries lIttOfl TOn85 Masters Whiner US Heidi Fliuwalls Fiberglass 1/4 Thne Scale Team eAJIows Servos Mounted Setter C/Ks Attaching Norm Gover EdItor Scale RV Modeler Anywhere Wllbout Fear CanopIes PlastIc Api FrUIt Costello CalUfilnIst Flying Modets Totally Removable WIlliout Flbergtass Parts y Southeastern ContributorCausing Danuge Scale RiC Modeler Masters CompetItor Mlhe Has Superstar Helicopter Ptlot PFM Available Hobby Retailer NoL Call laevsllve Medal Pieubutu Toll Free 800 780-3190 Ordert Dealer Inquiries Wanted would have frozen team jackets Tom Kerr beautiful lift se- modelers learned about other cultures lected Doug Galbreath printing teamand learned new pride own country cards Bob Sifleet outstanding work asThe program offers young people ulti mate incentive seriously pursue modeling Bob Bill Hunter Satellite City forTeam Manager Continuing support Junior Free donating Hot StuffId like encourage AMA NFFSFlight team investment future Jim Bradley Bradley Model Productsand individual modelers nationwide fullymodel aviation Junior participation inter national Control Line Radio Control carbon fiber FlA accessoriessupport Junior Free Flight World Chain-competition would benefit US modelBetty Kerr beautiful knitted teampionships program Participating pro- sweatersgram has changed lives Weve growning community well II OFFICIAL AMA SAFETY CODEJanuary 1 1991 Model Flying Must Accordance Code Order AMA Liability Protection Apply GENERALflown indoors3 will perform initial turn after takeoff away 1 will fly model aircraft competition or7 will operate models met al-bladed pro-from pit spectator areas will U Iin presence spectators until has beenpellers gaseous boosts gasesafter fly over pit spectator areas unless beproven airworthy having previ-other air normal atmospheric pressure en-yand control ously successfully flight testedter internal combustion engines nor will I4 will operate model using radio control operate models extremely hazardous fuelsfrequencies currently allowed Federal 2 will fly model higher approxi- ch containing tetranitromethane orCommunications Commission Only properly Ii Imately 400 feet within 3 miles airport with-drazine out notifying airport operator will give right-censed Amateurs authorized operate equipof-way avoid flying proximity full-8 will operate models pyrotechnics anyment Amateur Band frequencies Further scale aircraft necessary observerdevice explodes burns propels projec-any transmitters use sanctioned event shall utilized supervise flying avoid hay-tile kind including limited rockmust have certified RICMA-AMA gold sticker ating models fly proximity full-scale aircrafteta explosive bombs dropped modelsfixed indicating manufactured modi- U I3 established will abide safetysmoke bombs explosive gases such atied operation 20kHz frequency separa rules flying site use will willfullyhydrogen-filled balloons ground mounted do-tion except 27MHz 53MHZ deliberately fly models careless reck- vices launching projectileThe exceptions permitted rockets flown accordance FREE FLIGHT less and/or dangerous mannerthe Safety Code National Association 4 mmodl weighs over 20 pounds will Rocketry permanently attached per 1 will launch model aircraft unless ye y insrdance paragraph 5 sec-JATO use also items authorized Airleast 100 feet downwind spectators auto- tion AMA Safety CodeShow Team use defined AST Advisory Coin-mobile parking 5 At air shows model flying demonstrations mittee document available AMA HO Note 2 will fly model unless launch area single straight line must established side model aircraft defined aircraft clear persons except mechanic off i- U flying other side spec- engine able carry human being daIs tators Only persons essential flight9 will fly model using turbojet power ax operations permitted flying side3 will em lal centrifugal flow unless have obtained ploy use adequate device line others must spectator special waiver such specific flights flight extinguish fuses model after U side Flying over spectator side line AMA President Executive Director will has completed its function i prohibited unless beyond control abide restrictions imposed such flights exceptions may permit- Note does apply ducted fan CONTROL LINE ight line requirement under special circumstances involving consideration ofmodels using piston engines electric motors 1 will subject complete control system insite conditions model size weight speedRADIO CONTROLcluding safety thong applicable inand power must jointly approved AMAspection pull test prior flying I President Executive Director maxi-1 will have completed successful radio equipmum permissible takeoff weight models 55mont ground range check before first flight of21 will assure flying area safely clear Ibsa new repaired modelof utility wires poles 6 will fly model unless identified with2 will fly model aircraft presence3 will assure flying area safely clear name address AMA number inof spectators until become qualified flier un-of non-essential part cipants spectators model Note does apply modelsless assisted experienced helperbefore perm ft ng eng ne started L 8 Model Aviation 0 SEMI/ liii 995 PO Box 4365AIgevallmhOe*om Add $2J0 Shipping & Handling Margate FL 33WI-lobby Lobby
Edition: Model Aviation - 1991/03
Page Numbers: 118, 119, 120, 121, 193, 194, 195, 196, 198
NO OCR TEXT fly scored max Matthew next Towing problems prevented Matthews maxing missed three-minute max Ii seconds Mike Keller last fly used up attempt shim under hor frontal stabilizer trailing edge fell out model dived line end round approaching Mike made lucky stab incidence gle went up againfor first chain seven flights perfect times put him flyoffs calm air pow erful liftmy favorite conditionshelped too Maxing rest flights ended day 14th place Charles problems round three Af ter Glider spun off launch cracking its tail boom dropped out Tow ing problems plagued Matthew day still found some good lift Gagliano brothers finished day 73rd 71st place respectively Mike Keller went max four- five-minute flyoff rounds scored 164 seconds six-minute round number two model Having caught boom ing thermal five-minute round first model lost somewhere mountainside Mike heard exclaim Id Cowley bird couldve made Though somewhat disappointed ended day fourth place US Wakefield entry Soko Cup reduced two Chris Pelatow skis model box hadnt found Rod loerger Dave Warren represented country field 44 Rod started off right attaining 3 Aminute max time spare dropped 13 seconds second round 30 fourth otherwise remained clean sixth-place standing days end Dave put up good flights too hindered long weak motor runs finished day 32nd place 842 seconds Probably event has advanced faster other FiC Power Craig Lippman Jim Troutman both flew tech nically sophisticated cutting edge models Craig brought aluminum-skinned fullfunction airplane beautiful bunt tran sition folding carbon prop Knowing bunt system invites danger de struction carbon props 2bsolete Jim Troutman used buntless models APC propeller latest rage ro March 1991 119 Left 1990 US Junior Free Flight World Championships team Standing L R Mike Keiler Team Manager Bob Sif lest Matthew Gag ilano Craig Lippman Jim Troutman Kneeling L R Chris Peistowaki Rod loerger Dave Warren Joel Grasmayer Right great puzzlement German airport offlclala Matthew Gaglianos retrieval beeper went off model box teams stopover Frank furt Man brother Charles look anxiously Bob Sifleet opens beeping box screwdriver quiet things down Left thermal-whipping crew preparee action awaiting Mike Keiiera four-minute flyoff Soko Cup contest Right Ed Pale towski shown launching Charles Gagilano great help Fl Glider team during Soko Cup flying Left Ill drink thati team celebrates fine day competition 100 square feet grass free fertilizer Right Mark Troutman hails Texas happily took duty official cow chmr grazing cattle source nature fertilizer wind howled around 20 mph note flag show went FlA Glider author some towing problems three US fliers managed max tary thrust Jim mind money APC prop sells $159 local hobby shop carbon prop can set back least $50 Joined amazing power Nelson engines high-tech features gave Craig Jim outstanding climbsthough still lost out thermal max Craig finished 21th place after sac rificing number model ther mal gods Jim went place 20th After days flying dinner field listened mix European American music awards ceremony gan dusk Flying Soko Cup gave us chance evaluate models ourselves contest conditions would face World Championships Sunday Monday team practice days fine-tuned trim models got know weather thermal characteristics field As wed heard other modelers weather nearly perfect Free Flight first hours morning 700 900 calm patches buoyant air Light variable thermal-feeding winds picked up until around noon pre vailing valley wind took over continued late afternoon Since pattern held ninety percent time planned practice schedule flying tactics around Round World Championships scheduled begin 700 morn ing FlA fliers max 300 FiB 330 FiC 400 Its hard succeed doing well first two rounds first usually critical still air performance often separates men boys arrived field morning 630 am give take breakfast put up still air flights possible helped substantially us least airplane trimmed achieve morning max perfecting trim best Glider Matthew Gagliano launched large thermal model flew out sight after dethermalizer failed plane drifted downwind first rode thermal beyond thousand feet drift ed straight back toward us right sun Several people watched least 25 minutes least clear evidence negligible drift site Having lost number Glider Soko Cup flyoffs Mike Keller spent time trimming out AL-37 Ultimate Dragmaster put final trim two Bradley-designed models adjusted zoom launch Ultimate Dragmaster Though born straight-towing days Dragmaster has proven forgiving towline easy trim good ther maler boot Overall kitted design excellent beginners model FlB team smooth practice ses sion Rod loerger flew both fine still air model new plane showed potential Dave Warren worked shortening mo tors run times powerful climb Chris Pelatowski father used up first day practice driving back Dubrovnik Chriss box finally ar rived promised models flew great right out box Power team however two days frustration bad luck Craig Lippman crashed two remaining three models beyond repair originally brought four lost Soko Cuptemporandy third model also crashed repaired Tom Kerr Craigs grandfather 120 Model Aviation Left Posing models US Fl B Wakefield team members L R Dave Warren Rod loerger Chris Pelatoweki Right Fl Gilder team models left right Matthew Gagliano Joel Grasmeyer Mike Keller FiB team 7th FlA boys 10th Left Struggling hold footing 30-mph winds several team members Rashan Samuel Australia dont seem too disap pointed learning FlA postponed till next day Right Part team used free time after flying canceled tour Worid War ii memorial beautiful country just south Mostar Two students university Mostar sewed guides US Fl C Power trio accepta first-place honors awards ciosing ceremo nies ieft second-piace Korean team third-puce Soviets right Americans secret Au three efties Future US teama may need earn negative-ieft-bunt launches Mike Keller some hard landings too though planes damaged badly Craigs Tom caine res cue again wanting feel left out Jim Troutman also managed nasty crash father still working repairs midnightand probably beyond spent Tuesday morning taking team pictures performing limited trim flights 100 pm processed models rub ber motors towlines returned Mostar until 700 pm opening ceremo nies Some us used extra time tour Mostars Old Town highlight fa mous bridge known Old Bridge built 1566 Turks equivalent $30 two local divers would leap bridge forty-degree water Ne retva River 65 feet below Regrouping walked school sta dium opening ceremonies held Since few other teams ar rived early Soko Cup practice first opportunity see 19 national teams Olympics-style cere mony included two musical groups speech es FM representatives abundance parading Day OneWednesdaydawned gray clouds rain first three months cold wind no weather flying Continued page 193 Tom Kerr prays earnestiy Yugosiavian thermai gods trusty thermistor side Toms uncanny nose thermic pivotai Americana succesa March 1991 121 Fl C World Champion Mike Kelier stands proudiy among individuai winners power Whens engine Mike Concentration filis faces Tom Kerr PlC fiier Craig Lippman wait Tensing iaunch Oniy 14 years oid passing thermai Tom showed gift Soviet flier maintained perfect score choosing air over over again meet through sixth round Unfortunateiy dropped over minute iast Chris Peiatowski scans field signs lift Chris flew Fl B team driven back Dubrovnik dad day before pick up iate-arriving modei An elated power team celebrates Its victory Team Manager Bob Sifiect Left right Craig Lippman Sifleet Mike Keiler World Championship trophy Jim Troutman holding team trophy Notice both fliers raise trophies ieft hand arrow shaft tubes can epoxied leading edges surfaces add stiffness Use rattail chain-saw file suitable diameter file semicircular groove both wings trailing edge surfaces leading edge groove should just large enough accommodate tube necessary tubes may telescoped using graduated diameters closely match taper wing Glue tube leading edge sur face using 5-minute epoxy sure sur face true glue curing Control sur faces can attached wing using arrowshaft hinges tape prefer tape because quicker lighter generates no stress points wing because control surfaces can re moved time repair painting Safety note extremely careful han dling trailing edges surface can very sharp will cut like razor warning Ill wager will cut yourself first time Once surfaces attached wing ready go Perhaps youll want prime paint competition Sailplane pigmented epoxy gives very good finish Priming painting very very time-consuming adds up 15% weight wing Dont unless just have elect paint few words caution Most paint solvents will eat styrene foam very quickly Dont rub solvent wing sur face dont gloss thick coats paint until surface well filled two things can happen both bad First solvent will seep through pinholes surface cause bubbles paint second solvent will dissolve thin foam trailing edge thereby causing glass skins separate Its pretty sight whole construction process takes two six hours actual labor two wing halves depending size complexity wing about one-third one-half time required other construction meth od actual cost materials about 25% cost construction uses balsa wings compare very favorably weight other construction methods much stronger stiffer set Two Meter wings weighs about 10 oz Terminator wings weigh 20 oz finished wings can also take beating lost Terminator #2 about 1000 ft according Casio altitude watch inside think control cable parted plane made vertical dive warp speed recenfly-plowed field planting itself vertically up its wing rods mud damage limited bent wing rod loosened empennage minor gravel rash Re pairs took less 30 minutes flying next day building wings other method Final hint Kitplanes magazine publication builders experimental aircraft other loo nies usually lists fair number suppliers composite materials tools full good ideas too will also get some valuable tips reading articles Model Aviation magazine Pylon Racers some great painting Free Flighters use radical construction methods everyone interested aerodynamics control conclude article Frank listed sources bagging supplies Since writing Frank has gone supplies business himself broad line includes everything needed bagging attractive prices too putting bagging seminars shop Thank Frank Weston valuable article Send large SASE list Franks sup plies also contains full line Sailplanes including Two Meter SAM-I 100-in Merlin 138-in Magic 160-in-span Termina tor am considering putting together complete list ing sources Sailplane building materials parts kits etc What think E Jr FF Champs/Grasmeyer Continued page 121 mention driving steep curving mountain roads few guardrails Still managed arrive ample time scheduled 700 am first round orga nizers forced move FlA Thurs day FiC FiB Friday Satur day Leaving field late morning stopped briefly hotel ate lunch university Mostar Apparently col lege food bad everywhere After lunch two young Yugoslavian wom en graduates university took Gaglianos Bob Sifleet Mike Keller tour renowned World War II merug 7d 4 ~ Podaogn Inc Only ce-tit led checks money ordem accepted Minimum order S12OOtortlmepackagesotd Pomerpolests3Soperoackage -I- $150 shipping handling CT residento add 75% sales tao Prices suhiect change inithout notice DEALER INQUIRIES INVITED Fm bother intorrnaljon dealer prices send SASE tousiness Card SERMO RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 THE LEADER IN COM PETITION NEW p DIA 12 13 14 15 16 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 5/a34 634 72833456 833/a4568 8/a4568/a7 94566Va77Ia 10456B/a7 106W8W 10SEW 114677Ia775/a8 ii SW 11 6EW* ll/a 67 12 4W 12 5W 12 56 13 56 14 56 15 56 16 4N 16 678 PROPELLERS 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 Ia 8 677/a 8 677/a 8 67 678 March 1991 193 NEW p FINGER SAVER INC P RESENTS Patented Safety Retainer No damaged fingers Eliminates need helper Allows complete freedom START & ADJUST plane ALONE High quality steel Lightweight Compact MUST flier Dealers invited NOW ONLY $1995 s&h FL res add 7% tax FINGER SAVER INC PO Box 1416 St Petersburg FL 33731 PRO SERIES 3 RO PYLON RACING SERIES 500 DIAPITCH 75N5/aN 8I6Ia7V,75/a8 SERIES 400C 8a/66a1777 977Va7/a W WIDE BLADE EW EXTRA WIDE N NARROW morial overlooking Mostar Delighted test English Americans guides later served unofficial interpreters Back hotel picked up few team members supporters drove eight miles south Buna underground river emerges rocky cliff shelters several species preda tory birds Moslem family lives cliffside dwelling near water-powered barley mill fish hatchery visit deepened appreciation Yugoslav culture its historical roots Day TwoThursdaybegan open ing round FlA sent chase crew downwind set up flight line Since wind still strongbetween 15 25 mphtowing would quite difficult Station ing Tom Kerr thermistor upwind launched warm lull released mod els much altitude possible flare went off promptly 700 morning Mike Keller launched first drop wind missed ther mal Matt Gagliano followed accept able time 203 turn began spate towing troubles missed maxes would continue three rounds second round Mike stayed up just over two minutes Matt luckier found first good air morning maxed Having towing problems scored 14 seconds after model spun off launch round three switched models found lift big lull maxed Flying second Matt caught some turbulent sink landed just over minute Mikes plane flew out medium lift missed max 30 seconds launched first round four maxed Mike followed missing max seven seconds Matt low launch milked small patch lift two-minute time fifth round Matts model spun half way down off zoom launch recov ered scored 113 Mike maxed excellent air chosen Tom Kerr sixth round coin flipped over Mikes flight lasted 1 mm 32 sec Matt booming max spun down 12 seconds after final dose towing trouble last round Matts model almost mimicked last flight touching ground 27 seconds Mike circled once found big thermal easily maxed switched third model old reliable Ultimate Dragmaster found enough lift fourth max much relief packed models fragments thereof back boxes Matt finished 36th just ahead 38th Mike Keller accumulated 948 seconds putting him 23rd Day ThreeFridaybegan winds gusting between 10 20 mph 700 am round first official flight Craig Lippman easily stayed up 400 max Jim Troutmans launch pushed over its back wind giving him 239 Mike Keller maxed big thermal selected Tom Kerr second round marked beginning overrun troubles Craig Jim clocked almost full second over See Dealer Cataloger Order they dont carry Square Cut Tools cal us pay cal pay shipp og U S aod Canada 407 254-0516___ 905 N flaroor City Bud Melbourne Fl 32935 Dealer/Olatrlbuter InquIries Invited ida Res Add 6% Sales Tax seven-second motor run thought timekeepers may have anticipated launch slow reaction times Doug Galbreath discusses sort problem June/July issue NFFS Digest Af ter some heated discussion two original timekeepers replaced some Yugo slav power fliers Just safe flier shortened engine run least secondeven though FAI Power ship means giving up 100 feet alti tude Craig Jim maxed re flights Putting up first flight round Mike barely missed 300 max Craig began round three exciting flight its horizontal stabilizer de tached launch model looped four times landed engine running 209 645 5535 GOLDEN GATE HOBBIES PO BOX 27001 FRESNO CAUFORNIA 93729 M/CVISA OR COD HA TORI RA DICICON I&fMSK HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 WE WANT NEW DEALERS ! HATORI 650 LONG PIPE $4350 TO DEALERS CATALOG $ 200 OR FREE WiTh ORDERS 194 Model Aviation Meter meter problems eater Accurate Robart aircraft alignment tools mean fewer failures fun c4f y Dealers Nationwide POBox 1247 SIChar/es IL 60174 708-584-7616 ROBARTMFS 1990 accurate way measure travel elevator aileron THE precision instrument designed toflaps rudder Attaches easily flying surface precisly accurately measure relationshipmeasures surface deflection Allows accurate between rotor blade flybar Allows fordifferential adjustments Fiits large small scale aircraft precise set-up collective inputs location Offers features greater accuracy expensive meters #1 meter setting proper thrust wing stabilizer incidence Readies new models accurate flight helps diagnose other models operate less best Fits wing tapered straight Fine tunes 1/8 degree SQL 5 pc Masters Set lIt 3/161/4 5/16 3/8$1698 3 pc Builders Set- 3/16 1/4 5/16$ 998 Satisfaction GuaranteedPRECISION MODEL PRODUCTS Launching next 55-second engine run Mike seven seconds short max Craigs model escaped damage reassembled some extra holddown rubberbands launched missed maxing half minute Pressed time end round Jim forced launch cold liftless wind dropped 20 seconds fourth round tear finally perfectly together fli naxed thanks again fine air chosen Tom thermistor Tom timekeepers said has nose thermic Mike Jim began fifth round same vein high-climbing maxes Craig launched third After clear overrun eight seconds plane caught good ther mal maxed Craig didnt have spare model since craft air three 10 minutes remaining round chase team asked return plane within seven minutesnot easy task strong wind three chase vehicles Astonishingly chasers back 5/2 minutes almost breaking land speed record Volkswagen van time Craig Tom quickly checked over processed fueled Craigs model round ended team fully focused now Without looking back plunged sixth round maxed flight Realizing theyd first team placings day Craig 7IiJhaII RIC 1db-Bar Glow Plugs Long Short Also.Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $169 Swanson Associates PO Box 151 7945 Wayne NJ 07470 Jim Mike knew seventh round critical Craig beautiful straight climb max Mike followed other Jim felt pressure keenly re leased perfect launch model cir cled higher higher buffeting wind Itll take Bob Sifleet predicted month come down perfect flight cap day US won FiC team champion ship Mike Keller new World Champion Jim Troutman finished just hind trophies fourth place Craig Lippman seventh double-headed victory unprece dented annals US Free Flight competition adult Junior did 1990 Junior FiC team break mold three fliers left-handed unique fly ing style brought group closer together Tom Kerrs astuteness finding lift made unbeatable Tom named honorary left-hander southpaws left Russians North Koreans waving left hands air jumping off right feet years American power fliers have throwing models right hand despite clear proof right hand wrong hand Only left hand can produce perfect negative-left-bunt launch kind brings max after max regard less conditions US FiB Wakefield team began Made U S BARSTOCK ALUMINUM SPINNERS Part NoSize 11150-B 12 TT-175B 314 11-2000 11-225B 1/4 fl-226B 114 FAI 11250-B .. 2-1/2 TT-251-B /2 FAt .. TI-275-B . 23/4 11-276-B . 23/4 FAI 00B 11-301-B3 FAI TT-325B . 3-1/4 TT-350B.. 3-1/2 11-375-B. 3-3/4 11-400-B RetailApprox PriceWeight $1395058 ox 1495095ez 159510002 169516002 1695150ox 1695190ox 2095170oz 2295220ox 249520002 269526002 269525002 3695340oz 4995470ox 599552002 6995570ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Part NoSize 11-140-A . 1/4-26 47-A . 1/4-26/7mm TT-610-A.6x 10mm TI-hO-A.7x 10mm 11-516-A .5/16-24 11-516-A 24/Bmw TT-B10-AB x 10mm 11-625-AB x 125mm TT-375-A3/6-24 11-125-A10 x 125mm RetailApprox PriceWeight 5495 .06102 495.061ox 49506302 495. 06202 495..07602 495..07602 495 076oz 495 07502 595 .ll7ox 595liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 March 1991 195 5H710 Pkg 24 $295 EAsT HINEAI THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge No gouging picking messy epoxies Simply Cut single knife slot tor hinge slide hinges e apply tew drops ot tavorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e &t t9e4 fza eaa & SIG MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 DO IT THE SAFE WAY START YOUR ENGINE FROM BEHIND THE PROPELLOR WITH THE SAFESTARTADAPTER Patent Pending Designed mount starter field box No mare reaching around spinning propellor remove glow battery adjustment carburetor face never over propellor Easy use Engage spinner starter drive washer give alight downward pressure activate starter downward start insures field box wont move Mount SAFE-START high enough match height aircraft Easy installation field boxes Regular SAFE-START up 90 engine JUMBO SAFE-START 120 engine Introductory Price IStarter out includedl Regular SAFE-START C34•95 plus $300 postage/handling Jumbo SAFE-START 4495 plus $300 postage/handling Check Money Orders No COD Make checks payable SAFE-START Mass residents add 5% ssles tax Manufactured WEAVER MACHINING SERVICE 6 Dewey St Maynard MA 01764 Telephone 508-897-9591 next day earnest effects storm passed Lift easier locate chase crew well-deserved rest Rod loerger started auspiciously lit erally perfect maxhis model touched ground exactly 330 Chris Pelatowski disappointing flight Dave Warren came closer 318 Rod maxed again second round Chriss model climbed well caine down nine seconds short took no chances Dave launched building ther mal rest us ran under model wav ing shirts whip up air worked Rod Dave maxed again round three Rod hooking first significant thermal day Chris glided just second short max fourth round shifting wind direc tions made lift difficult locate Rod missed thermal landed 210 Chris found little lift have model hit streamer pole way down Dave luckier maxing biggest thermal day Round five saw Chris repeating Rods last time 210 Dave climbed out fourth consecutive max Rod switched planes maxedhis fourth too sixth round Rod caught area sink landed 215 Chris maxed after energetic launch Dave waited five minutes thermal slowly built up wind time launched motor tired giving low climb low time team rebounded final round Rod Dave picked good air both maxed after low swooping launches delayed climbouts Flying Bob White No 22 model Chris minimal lift until thermal-whipping crew created bubble tripled altitude Dave Warren finished 12th final standings Rod loerger 14th Chris Pelatowski 28th closing ceremonies evening winners given trophy medal national anthems played flags displayed Living up its reputa tion Soviet Union claimed first place three events combined US team celebrated its FtC sweep again drove south Buna postceremony banquet feasted fresh fish under trees listened Yugo slav music group individual winners brought models pictures inspec tion exchanged team shirts traded other souvenirs modeling products After friendly good-byes pre pared leave Dubrovnik Its amazing common interest model airplanes breaks down cultural linguistic barriers farewell rituals repeated US team members separated Kennedy International Airport once-in-a-lifetime experience flying Junior World Champs took years preparation None us US team mem bers could have accomplished alone wish thank Joe Kresnak Karl Spielmaker Bill Shailor Jim Bradley Chuck Markos Bob Sifleet con tributed special way making dream reality United States team wishes ac knowledge following AMA providing team uniforms patches hinds well handling necessary paperwork FlA day 196 Model Aviation ADVANCES AEROCuLL 05 Wwrr roe NFORMATO5 PRODUCTS R isousirt 15V11E0 Poe AEIVArLEODAERO05OEIJCTS ST 500 365-C 555573 75003 014 524-3940 Obechi Large Sheets Please call 415 462-0672 send SASE 850 Concord Street Pleasanton CA 94566 have pt [ rand 7 ngFlver. Als 1990 Eastern Soaring Leagsue Season Championship Win makes magic competition look like voo doo aerodynamics magic 8-year-old Windsong design can still defeat com petitions newest finest just imagine what Lovesong brand new Saber can Saber being called Wlndsong Nineties high praise indeed Al White has just shown Send 2 stamps new Catalog showing complete line Multichannel Gliders Also Second Wind/90-2 nesusletter now available Second Wind $1 per issue $2 per year USA INNOVATIVE MODEL DF SUPER FAST GRIPS TIGHT WH0E PTREftS DONT REMOVA8LEiflThOtJTATMcE-SUPER ADHESIVE ToI Clear PUMmDQS THI WORK US8 BY THE PROS Simple Use Part tie MixIng Y A134IESYES Ccl Art Johnson See RC Modeler April 89 Holds Canopies ANY Material Inokaing PlasflcCoesrlngs tin hAs AThIU8 Lock I6 No Fogging Clear Parts Better SIlicone Dries lIttOfl TOn85 Masters Whiner US Heidi Fliuwalls Fiberglass 1/4 Thne Scale Team eAJIows Servos Mounted Setter C/Ks Attaching Norm Gover EdItor Scale RV Modeler Anywhere Wllbout Fear CanopIes PlastIc Api FrUIt Costello CalUfilnIst Flying Modets Totally Removable WIlliout Flbergtass Parts y Southeastern ContributorCausing Danuge Scale RiC Modeler Masters CompetItor Mlhe Has Superstar Helicopter Ptlot PFM Available Hobby Retailer NoL Call laevsllve Medal Pieubutu Toll Free 800 780-3190 Ordert Dealer Inquiries Wanted would have frozen team jackets Tom Kerr beautiful lift se- modelers learned about other cultures lected Doug Galbreath printing teamand learned new pride own country cards Bob Sifleet outstanding work asThe program offers young people ulti mate incentive seriously pursue modeling Bob Bill Hunter Satellite City forTeam Manager Continuing support Junior Free donating Hot StuffId like encourage AMA NFFSFlight team investment future Jim Bradley Bradley Model Productsand individual modelers nationwide fullymodel aviation Junior participation inter national Control Line Radio Control carbon fiber FlA accessoriessupport Junior Free Flight World Chain-competition would benefit US modelBetty Kerr beautiful knitted teampionships program Participating pro- sweatersgram has changed lives Weve growning community well II OFFICIAL AMA SAFETY CODEJanuary 1 1991 Model Flying Must Accordance Code Order AMA Liability Protection Apply GENERALflown indoors3 will perform initial turn after takeoff away 1 will fly model aircraft competition or7 will operate models met al-bladed pro-from pit spectator areas will U Iin presence spectators until has beenpellers gaseous boosts gasesafter fly over pit spectator areas unless beproven airworthy having previ-other air normal atmospheric pressure en-yand control ously successfully flight testedter internal combustion engines nor will I4 will operate model using radio control operate models extremely hazardous fuelsfrequencies currently allowed Federal 2 will fly model higher approxi- ch containing tetranitromethane orCommunications Commission Only properly Ii Imately 400 feet within 3 miles airport with-drazine out notifying airport operator will give right-censed Amateurs authorized operate equipof-way avoid flying proximity full-8 will operate models pyrotechnics anyment Amateur Band frequencies Further scale aircraft necessary observerdevice explodes burns propels projec-any transmitters use sanctioned event shall utilized supervise flying avoid hay-tile kind including limited rockmust have certified RICMA-AMA gold sticker ating models fly proximity full-scale aircrafteta explosive bombs dropped modelsfixed indicating manufactured modi- U I3 established will abide safetysmoke bombs explosive gases such atied operation 20kHz frequency separa rules flying site use will willfullyhydrogen-filled balloons ground mounted do-tion except 27MHz 53MHZ deliberately fly models careless reck- vices launching projectileThe exceptions permitted rockets flown accordance FREE FLIGHT less and/or dangerous mannerthe Safety Code National Association 4 mmodl weighs over 20 pounds will Rocketry permanently attached per 1 will launch model aircraft unless ye y insrdance paragraph 5 sec-JATO use also items authorized Airleast 100 feet downwind spectators auto- tion AMA Safety CodeShow Team use defined AST Advisory Coin-mobile parking 5 At air shows model flying demonstrations mittee document available AMA HO Note 2 will fly model unless launch area single straight line must established side model aircraft defined aircraft clear persons except mechanic off i- U flying other side spec- engine able carry human being daIs tators Only persons essential flight9 will fly model using turbojet power ax operations permitted flying side3 will em lal centrifugal flow unless have obtained ploy use adequate device line others must spectator special waiver such specific flights flight extinguish fuses model after U side Flying over spectator side line AMA President Executive Director will has completed its function i prohibited unless beyond control abide restrictions imposed such flights exceptions may permit- Note does apply ducted fan CONTROL LINE ight line requirement under special circumstances involving consideration ofmodels using piston engines electric motors 1 will subject complete control system insite conditions model size weight speedRADIO CONTROLcluding safety thong applicable inand power must jointly approved AMAspection pull test prior flying I President Executive Director maxi-1 will have completed successful radio equipmum permissible takeoff weight models 55mont ground range check before first flight of21 will assure flying area safely clear Ibsa new repaired modelof utility wires poles 6 will fly model unless identified with2 will fly model aircraft presence3 will assure flying area safely clear name address AMA number inof spectators until become qualified flier un-of non-essential part cipants spectators model Note does apply modelsless assisted experienced helperbefore perm ft ng eng ne started L 8 Model Aviation 0 SEMI/ liii 995 PO Box 4365AIgevallmhOe*om Add $2J0 Shipping & Handling Margate FL 33WI-lobby Lobby
Edition: Model Aviation - 1991/03
Page Numbers: 118, 119, 120, 121, 193, 194, 195, 196, 198
NO OCR TEXT fly scored max Matthew next Towing problems prevented Matthews maxing missed three-minute max Ii seconds Mike Keller last fly used up attempt shim under hor frontal stabilizer trailing edge fell out model dived line end round approaching Mike made lucky stab incidence gle went up againfor first chain seven flights perfect times put him flyoffs calm air pow erful liftmy favorite conditionshelped too Maxing rest flights ended day 14th place Charles problems round three Af ter Glider spun off launch cracking its tail boom dropped out Tow ing problems plagued Matthew day still found some good lift Gagliano brothers finished day 73rd 71st place respectively Mike Keller went max four- five-minute flyoff rounds scored 164 seconds six-minute round number two model Having caught boom ing thermal five-minute round first model lost somewhere mountainside Mike heard exclaim Id Cowley bird couldve made Though somewhat disappointed ended day fourth place US Wakefield entry Soko Cup reduced two Chris Pelatow skis model box hadnt found Rod loerger Dave Warren represented country field 44 Rod started off right attaining 3 Aminute max time spare dropped 13 seconds second round 30 fourth otherwise remained clean sixth-place standing days end Dave put up good flights too hindered long weak motor runs finished day 32nd place 842 seconds Probably event has advanced faster other FiC Power Craig Lippman Jim Troutman both flew tech nically sophisticated cutting edge models Craig brought aluminum-skinned fullfunction airplane beautiful bunt tran sition folding carbon prop Knowing bunt system invites danger de struction carbon props 2bsolete Jim Troutman used buntless models APC propeller latest rage ro March 1991 119 Left 1990 US Junior Free Flight World Championships team Standing L R Mike Keiler Team Manager Bob Sif lest Matthew Gag ilano Craig Lippman Jim Troutman Kneeling L R Chris Peistowaki Rod loerger Dave Warren Joel Grasmayer Right great puzzlement German airport offlclala Matthew Gaglianos retrieval beeper went off model box teams stopover Frank furt Man brother Charles look anxiously Bob Sifleet opens beeping box screwdriver quiet things down Left thermal-whipping crew preparee action awaiting Mike Keiiera four-minute flyoff Soko Cup contest Right Ed Pale towski shown launching Charles Gagilano great help Fl Glider team during Soko Cup flying Left Ill drink thati team celebrates fine day competition 100 square feet grass free fertilizer Right Mark Troutman hails Texas happily took duty official cow chmr grazing cattle source nature fertilizer wind howled around 20 mph note flag show went FlA Glider author some towing problems three US fliers managed max tary thrust Jim mind money APC prop sells $159 local hobby shop carbon prop can set back least $50 Joined amazing power Nelson engines high-tech features gave Craig Jim outstanding climbsthough still lost out thermal max Craig finished 21th place after sac rificing number model ther mal gods Jim went place 20th After days flying dinner field listened mix European American music awards ceremony gan dusk Flying Soko Cup gave us chance evaluate models ourselves contest conditions would face World Championships Sunday Monday team practice days fine-tuned trim models got know weather thermal characteristics field As wed heard other modelers weather nearly perfect Free Flight first hours morning 700 900 calm patches buoyant air Light variable thermal-feeding winds picked up until around noon pre vailing valley wind took over continued late afternoon Since pattern held ninety percent time planned practice schedule flying tactics around Round World Championships scheduled begin 700 morn ing FlA fliers max 300 FiB 330 FiC 400 Its hard succeed doing well first two rounds first usually critical still air performance often separates men boys arrived field morning 630 am give take breakfast put up still air flights possible helped substantially us least airplane trimmed achieve morning max perfecting trim best Glider Matthew Gagliano launched large thermal model flew out sight after dethermalizer failed plane drifted downwind first rode thermal beyond thousand feet drift ed straight back toward us right sun Several people watched least 25 minutes least clear evidence negligible drift site Having lost number Glider Soko Cup flyoffs Mike Keller spent time trimming out AL-37 Ultimate Dragmaster put final trim two Bradley-designed models adjusted zoom launch Ultimate Dragmaster Though born straight-towing days Dragmaster has proven forgiving towline easy trim good ther maler boot Overall kitted design excellent beginners model FlB team smooth practice ses sion Rod loerger flew both fine still air model new plane showed potential Dave Warren worked shortening mo tors run times powerful climb Chris Pelatowski father used up first day practice driving back Dubrovnik Chriss box finally ar rived promised models flew great right out box Power team however two days frustration bad luck Craig Lippman crashed two remaining three models beyond repair originally brought four lost Soko Cuptemporandy third model also crashed repaired Tom Kerr Craigs grandfather 120 Model Aviation Left Posing models US Fl B Wakefield team members L R Dave Warren Rod loerger Chris Pelatoweki Right Fl Gilder team models left right Matthew Gagliano Joel Grasmeyer Mike Keller FiB team 7th FlA boys 10th Left Struggling hold footing 30-mph winds several team members Rashan Samuel Australia dont seem too disap pointed learning FlA postponed till next day Right Part team used free time after flying canceled tour Worid War ii memorial beautiful country just south Mostar Two students university Mostar sewed guides US Fl C Power trio accepta first-place honors awards ciosing ceremo nies ieft second-piace Korean team third-puce Soviets right Americans secret Au three efties Future US teama may need earn negative-ieft-bunt launches Mike Keller some hard landings too though planes damaged badly Craigs Tom caine res cue again wanting feel left out Jim Troutman also managed nasty crash father still working repairs midnightand probably beyond spent Tuesday morning taking team pictures performing limited trim flights 100 pm processed models rub ber motors towlines returned Mostar until 700 pm opening ceremo nies Some us used extra time tour Mostars Old Town highlight fa mous bridge known Old Bridge built 1566 Turks equivalent $30 two local divers would leap bridge forty-degree water Ne retva River 65 feet below Regrouping walked school sta dium opening ceremonies held Since few other teams ar rived early Soko Cup practice first opportunity see 19 national teams Olympics-style cere mony included two musical groups speech es FM representatives abundance parading Day OneWednesdaydawned gray clouds rain first three months cold wind no weather flying Continued page 193 Tom Kerr prays earnestiy Yugosiavian thermai gods trusty thermistor side Toms uncanny nose thermic pivotai Americana succesa March 1991 121 Fl C World Champion Mike Kelier stands proudiy among individuai winners power Whens engine Mike Concentration filis faces Tom Kerr PlC fiier Craig Lippman wait Tensing iaunch Oniy 14 years oid passing thermai Tom showed gift Soviet flier maintained perfect score choosing air over over again meet through sixth round Unfortunateiy dropped over minute iast Chris Peiatowski scans field signs lift Chris flew Fl B team driven back Dubrovnik dad day before pick up iate-arriving modei An elated power team celebrates Its victory Team Manager Bob Sifiect Left right Craig Lippman Sifleet Mike Keiler World Championship trophy Jim Troutman holding team trophy Notice both fliers raise trophies ieft hand arrow shaft tubes can epoxied leading edges surfaces add stiffness Use rattail chain-saw file suitable diameter file semicircular groove both wings trailing edge surfaces leading edge groove should just large enough accommodate tube necessary tubes may telescoped using graduated diameters closely match taper wing Glue tube leading edge sur face using 5-minute epoxy sure sur face true glue curing Control sur faces can attached wing using arrowshaft hinges tape prefer tape because quicker lighter generates no stress points wing because control surfaces can re moved time repair painting Safety note extremely careful han dling trailing edges surface can very sharp will cut like razor warning Ill wager will cut yourself first time Once surfaces attached wing ready go Perhaps youll want prime paint competition Sailplane pigmented epoxy gives very good finish Priming painting very very time-consuming adds up 15% weight wing Dont unless just have elect paint few words caution Most paint solvents will eat styrene foam very quickly Dont rub solvent wing sur face dont gloss thick coats paint until surface well filled two things can happen both bad First solvent will seep through pinholes surface cause bubbles paint second solvent will dissolve thin foam trailing edge thereby causing glass skins separate Its pretty sight whole construction process takes two six hours actual labor two wing halves depending size complexity wing about one-third one-half time required other construction meth od actual cost materials about 25% cost construction uses balsa wings compare very favorably weight other construction methods much stronger stiffer set Two Meter wings weighs about 10 oz Terminator wings weigh 20 oz finished wings can also take beating lost Terminator #2 about 1000 ft according Casio altitude watch inside think control cable parted plane made vertical dive warp speed recenfly-plowed field planting itself vertically up its wing rods mud damage limited bent wing rod loosened empennage minor gravel rash Re pairs took less 30 minutes flying next day building wings other method Final hint Kitplanes magazine publication builders experimental aircraft other loo nies usually lists fair number suppliers composite materials tools full good ideas too will also get some valuable tips reading articles Model Aviation magazine Pylon Racers some great painting Free Flighters use radical construction methods everyone interested aerodynamics control conclude article Frank listed sources bagging supplies Since writing Frank has gone supplies business himself broad line includes everything needed bagging attractive prices too putting bagging seminars shop Thank Frank Weston valuable article Send large SASE list Franks sup plies also contains full line Sailplanes including Two Meter SAM-I 100-in Merlin 138-in Magic 160-in-span Termina tor am considering putting together complete list ing sources Sailplane building materials parts kits etc What think E Jr FF Champs/Grasmeyer Continued page 121 mention driving steep curving mountain roads few guardrails Still managed arrive ample time scheduled 700 am first round orga nizers forced move FlA Thurs day FiC FiB Friday Satur day Leaving field late morning stopped briefly hotel ate lunch university Mostar Apparently col lege food bad everywhere After lunch two young Yugoslavian wom en graduates university took Gaglianos Bob Sifleet Mike Keller tour renowned World War II merug 7d 4 ~ Podaogn Inc Only ce-tit led checks money ordem accepted Minimum order S12OOtortlmepackagesotd Pomerpolests3Soperoackage -I- $150 shipping handling CT residento add 75% sales tao Prices suhiect change inithout notice DEALER INQUIRIES INVITED Fm bother intorrnaljon dealer prices send SASE tousiness Card SERMO RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 THE LEADER IN COM PETITION NEW p DIA 12 13 14 15 16 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 5/a34 634 72833456 833/a4568 8/a4568/a7 94566Va77Ia 10456B/a7 106W8W 10SEW 114677Ia775/a8 ii SW 11 6EW* ll/a 67 12 4W 12 5W 12 56 13 56 14 56 15 56 16 4N 16 678 PROPELLERS 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 Ia 8 677/a 8 677/a 8 67 678 March 1991 193 NEW p FINGER SAVER INC P RESENTS Patented Safety Retainer No damaged fingers Eliminates need helper Allows complete freedom START & ADJUST plane ALONE High quality steel Lightweight Compact MUST flier Dealers invited NOW ONLY $1995 s&h FL res add 7% tax FINGER SAVER INC PO Box 1416 St Petersburg FL 33731 PRO SERIES 3 RO PYLON RACING SERIES 500 DIAPITCH 75N5/aN 8I6Ia7V,75/a8 SERIES 400C 8a/66a1777 977Va7/a W WIDE BLADE EW EXTRA WIDE N NARROW morial overlooking Mostar Delighted test English Americans guides later served unofficial interpreters Back hotel picked up few team members supporters drove eight miles south Buna underground river emerges rocky cliff shelters several species preda tory birds Moslem family lives cliffside dwelling near water-powered barley mill fish hatchery visit deepened appreciation Yugoslav culture its historical roots Day TwoThursdaybegan open ing round FlA sent chase crew downwind set up flight line Since wind still strongbetween 15 25 mphtowing would quite difficult Station ing Tom Kerr thermistor upwind launched warm lull released mod els much altitude possible flare went off promptly 700 morning Mike Keller launched first drop wind missed ther mal Matt Gagliano followed accept able time 203 turn began spate towing troubles missed maxes would continue three rounds second round Mike stayed up just over two minutes Matt luckier found first good air morning maxed Having towing problems scored 14 seconds after model spun off launch round three switched models found lift big lull maxed Flying second Matt caught some turbulent sink landed just over minute Mikes plane flew out medium lift missed max 30 seconds launched first round four maxed Mike followed missing max seven seconds Matt low launch milked small patch lift two-minute time fifth round Matts model spun half way down off zoom launch recov ered scored 113 Mike maxed excellent air chosen Tom Kerr sixth round coin flipped over Mikes flight lasted 1 mm 32 sec Matt booming max spun down 12 seconds after final dose towing trouble last round Matts model almost mimicked last flight touching ground 27 seconds Mike circled once found big thermal easily maxed switched third model old reliable Ultimate Dragmaster found enough lift fourth max much relief packed models fragments thereof back boxes Matt finished 36th just ahead 38th Mike Keller accumulated 948 seconds putting him 23rd Day ThreeFridaybegan winds gusting between 10 20 mph 700 am round first official flight Craig Lippman easily stayed up 400 max Jim Troutmans launch pushed over its back wind giving him 239 Mike Keller maxed big thermal selected Tom Kerr second round marked beginning overrun troubles Craig Jim clocked almost full second over See Dealer Cataloger Order they dont carry Square Cut Tools cal us pay cal pay shipp og U S aod Canada 407 254-0516___ 905 N flaroor City Bud Melbourne Fl 32935 Dealer/Olatrlbuter InquIries Invited ida Res Add 6% Sales Tax seven-second motor run thought timekeepers may have anticipated launch slow reaction times Doug Galbreath discusses sort problem June/July issue NFFS Digest Af ter some heated discussion two original timekeepers replaced some Yugo slav power fliers Just safe flier shortened engine run least secondeven though FAI Power ship means giving up 100 feet alti tude Craig Jim maxed re flights Putting up first flight round Mike barely missed 300 max Craig began round three exciting flight its horizontal stabilizer de tached launch model looped four times landed engine running 209 645 5535 GOLDEN GATE HOBBIES PO BOX 27001 FRESNO CAUFORNIA 93729 M/CVISA OR COD HA TORI RA DICICON I&fMSK HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 WE WANT NEW DEALERS ! HATORI 650 LONG PIPE $4350 TO DEALERS CATALOG $ 200 OR FREE WiTh ORDERS 194 Model Aviation Meter meter problems eater Accurate Robart aircraft alignment tools mean fewer failures fun c4f y Dealers Nationwide POBox 1247 SIChar/es IL 60174 708-584-7616 ROBARTMFS 1990 accurate way measure travel elevator aileron THE precision instrument designed toflaps rudder Attaches easily flying surface precisly accurately measure relationshipmeasures surface deflection Allows accurate between rotor blade flybar Allows fordifferential adjustments Fiits large small scale aircraft precise set-up collective inputs location Offers features greater accuracy expensive meters #1 meter setting proper thrust wing stabilizer incidence Readies new models accurate flight helps diagnose other models operate less best Fits wing tapered straight Fine tunes 1/8 degree SQL 5 pc Masters Set lIt 3/161/4 5/16 3/8$1698 3 pc Builders Set- 3/16 1/4 5/16$ 998 Satisfaction GuaranteedPRECISION MODEL PRODUCTS Launching next 55-second engine run Mike seven seconds short max Craigs model escaped damage reassembled some extra holddown rubberbands launched missed maxing half minute Pressed time end round Jim forced launch cold liftless wind dropped 20 seconds fourth round tear finally perfectly together fli naxed thanks again fine air chosen Tom thermistor Tom timekeepers said has nose thermic Mike Jim began fifth round same vein high-climbing maxes Craig launched third After clear overrun eight seconds plane caught good ther mal maxed Craig didnt have spare model since craft air three 10 minutes remaining round chase team asked return plane within seven minutesnot easy task strong wind three chase vehicles Astonishingly chasers back 5/2 minutes almost breaking land speed record Volkswagen van time Craig Tom quickly checked over processed fueled Craigs model round ended team fully focused now Without looking back plunged sixth round maxed flight Realizing theyd first team placings day Craig 7IiJhaII RIC 1db-Bar Glow Plugs Long Short Also.Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $169 Swanson Associates PO Box 151 7945 Wayne NJ 07470 Jim Mike knew seventh round critical Craig beautiful straight climb max Mike followed other Jim felt pressure keenly re leased perfect launch model cir cled higher higher buffeting wind Itll take Bob Sifleet predicted month come down perfect flight cap day US won FiC team champion ship Mike Keller new World Champion Jim Troutman finished just hind trophies fourth place Craig Lippman seventh double-headed victory unprece dented annals US Free Flight competition adult Junior did 1990 Junior FiC team break mold three fliers left-handed unique fly ing style brought group closer together Tom Kerrs astuteness finding lift made unbeatable Tom named honorary left-hander southpaws left Russians North Koreans waving left hands air jumping off right feet years American power fliers have throwing models right hand despite clear proof right hand wrong hand Only left hand can produce perfect negative-left-bunt launch kind brings max after max regard less conditions US FiB Wakefield team began Made U S BARSTOCK ALUMINUM SPINNERS Part NoSize 11150-B 12 TT-175B 314 11-2000 11-225B 1/4 fl-226B 114 FAI 11250-B .. 2-1/2 TT-251-B /2 FAt .. TI-275-B . 23/4 11-276-B . 23/4 FAI 00B 11-301-B3 FAI TT-325B . 3-1/4 TT-350B.. 3-1/2 11-375-B. 3-3/4 11-400-B RetailApprox PriceWeight $1395058 ox 1495095ez 159510002 169516002 1695150ox 1695190ox 2095170oz 2295220ox 249520002 269526002 269525002 3695340oz 4995470ox 599552002 6995570ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Part NoSize 11-140-A . 1/4-26 47-A . 1/4-26/7mm TT-610-A.6x 10mm TI-hO-A.7x 10mm 11-516-A .5/16-24 11-516-A 24/Bmw TT-B10-AB x 10mm 11-625-AB x 125mm TT-375-A3/6-24 11-125-A10 x 125mm RetailApprox PriceWeight 5495 .06102 495.061ox 49506302 495. 06202 495..07602 495..07602 495 076oz 495 07502 595 .ll7ox 595liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 March 1991 195 5H710 Pkg 24 $295 EAsT HINEAI THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge No gouging picking messy epoxies Simply Cut single knife slot tor hinge slide hinges e apply tew drops ot tavorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e &t t9e4 fza eaa & SIG MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 DO IT THE SAFE WAY START YOUR ENGINE FROM BEHIND THE PROPELLOR WITH THE SAFESTARTADAPTER Patent Pending Designed mount starter field box No mare reaching around spinning propellor remove glow battery adjustment carburetor face never over propellor Easy use Engage spinner starter drive washer give alight downward pressure activate starter downward start insures field box wont move Mount SAFE-START high enough match height aircraft Easy installation field boxes Regular SAFE-START up 90 engine JUMBO SAFE-START 120 engine Introductory Price IStarter out includedl Regular SAFE-START C34•95 plus $300 postage/handling Jumbo SAFE-START 4495 plus $300 postage/handling Check Money Orders No COD Make checks payable SAFE-START Mass residents add 5% ssles tax Manufactured WEAVER MACHINING SERVICE 6 Dewey St Maynard MA 01764 Telephone 508-897-9591 next day earnest effects storm passed Lift easier locate chase crew well-deserved rest Rod loerger started auspiciously lit erally perfect maxhis model touched ground exactly 330 Chris Pelatowski disappointing flight Dave Warren came closer 318 Rod maxed again second round Chriss model climbed well caine down nine seconds short took no chances Dave launched building ther mal rest us ran under model wav ing shirts whip up air worked Rod Dave maxed again round three Rod hooking first significant thermal day Chris glided just second short max fourth round shifting wind direc tions made lift difficult locate Rod missed thermal landed 210 Chris found little lift have model hit streamer pole way down Dave luckier maxing biggest thermal day Round five saw Chris repeating Rods last time 210 Dave climbed out fourth consecutive max Rod switched planes maxedhis fourth too sixth round Rod caught area sink landed 215 Chris maxed after energetic launch Dave waited five minutes thermal slowly built up wind time launched motor tired giving low climb low time team rebounded final round Rod Dave picked good air both maxed after low swooping launches delayed climbouts Flying Bob White No 22 model Chris minimal lift until thermal-whipping crew created bubble tripled altitude Dave Warren finished 12th final standings Rod loerger 14th Chris Pelatowski 28th closing ceremonies evening winners given trophy medal national anthems played flags displayed Living up its reputa tion Soviet Union claimed first place three events combined US team celebrated its FtC sweep again drove south Buna postceremony banquet feasted fresh fish under trees listened Yugo slav music group individual winners brought models pictures inspec tion exchanged team shirts traded other souvenirs modeling products After friendly good-byes pre pared leave Dubrovnik Its amazing common interest model airplanes breaks down cultural linguistic barriers farewell rituals repeated US team members separated Kennedy International Airport once-in-a-lifetime experience flying Junior World Champs took years preparation None us US team mem bers could have accomplished alone wish thank Joe Kresnak Karl Spielmaker Bill Shailor Jim Bradley Chuck Markos Bob Sifleet con tributed special way making dream reality United States team wishes ac knowledge following AMA providing team uniforms patches hinds well handling necessary paperwork FlA day 196 Model Aviation ADVANCES AEROCuLL 05 Wwrr roe NFORMATO5 PRODUCTS R isousirt 15V11E0 Poe AEIVArLEODAERO05OEIJCTS ST 500 365-C 555573 75003 014 524-3940 Obechi Large Sheets Please call 415 462-0672 send SASE 850 Concord Street Pleasanton CA 94566 have pt [ rand 7 ngFlver. Als 1990 Eastern Soaring Leagsue Season Championship Win makes magic competition look like voo doo aerodynamics magic 8-year-old Windsong design can still defeat com petitions newest finest just imagine what Lovesong brand new Saber can Saber being called Wlndsong Nineties high praise indeed Al White has just shown Send 2 stamps new Catalog showing complete line Multichannel Gliders Also Second Wind/90-2 nesusletter now available Second Wind $1 per issue $2 per year USA INNOVATIVE MODEL DF SUPER FAST GRIPS TIGHT WH0E PTREftS DONT REMOVA8LEiflThOtJTATMcE-SUPER ADHESIVE ToI Clear PUMmDQS THI WORK US8 BY THE PROS Simple Use Part tie MixIng Y A134IESYES Ccl Art Johnson See RC Modeler April 89 Holds Canopies ANY Material Inokaing PlasflcCoesrlngs tin hAs AThIU8 Lock I6 No Fogging Clear Parts Better SIlicone Dries lIttOfl TOn85 Masters Whiner US Heidi Fliuwalls Fiberglass 1/4 Thne Scale Team eAJIows Servos Mounted Setter C/Ks Attaching Norm Gover EdItor Scale RV Modeler Anywhere Wllbout Fear CanopIes PlastIc Api FrUIt Costello CalUfilnIst Flying Modets Totally Removable WIlliout Flbergtass Parts y Southeastern ContributorCausing Danuge Scale RiC Modeler Masters CompetItor Mlhe Has Superstar Helicopter Ptlot PFM Available Hobby Retailer NoL Call laevsllve Medal Pieubutu Toll Free 800 780-3190 Ordert Dealer Inquiries Wanted would have frozen team jackets Tom Kerr beautiful lift se- modelers learned about other cultures lected Doug Galbreath printing teamand learned new pride own country cards Bob Sifleet outstanding work asThe program offers young people ulti mate incentive seriously pursue modeling Bob Bill Hunter Satellite City forTeam Manager Continuing support Junior Free donating Hot StuffId like encourage AMA NFFSFlight team investment future Jim Bradley Bradley Model Productsand individual modelers nationwide fullymodel aviation Junior participation inter national Control Line Radio Control carbon fiber FlA accessoriessupport Junior Free Flight World Chain-competition would benefit US modelBetty Kerr beautiful knitted teampionships program Participating pro- sweatersgram has changed lives Weve growning community well II OFFICIAL AMA SAFETY CODEJanuary 1 1991 Model Flying Must Accordance Code Order AMA Liability Protection Apply GENERALflown indoors3 will perform initial turn after takeoff away 1 will fly model aircraft competition or7 will operate models met al-bladed pro-from pit spectator areas will U Iin presence spectators until has beenpellers gaseous boosts gasesafter fly over pit spectator areas unless beproven airworthy having previ-other air normal atmospheric pressure en-yand control ously successfully flight testedter internal combustion engines nor will I4 will operate model using radio control operate models extremely hazardous fuelsfrequencies currently allowed Federal 2 will fly model higher approxi- ch containing tetranitromethane orCommunications Commission Only properly Ii Imately 400 feet within 3 miles airport with-drazine out notifying airport operator will give right-censed Amateurs authorized operate equipof-way avoid flying proximity full-8 will operate models pyrotechnics anyment Amateur Band frequencies Further scale aircraft necessary observerdevice explodes burns propels projec-any transmitters use sanctioned event shall utilized supervise flying avoid hay-tile kind including limited rockmust have certified RICMA-AMA gold sticker ating models fly proximity full-scale aircrafteta explosive bombs dropped modelsfixed indicating manufactured modi- U I3 established will abide safetysmoke bombs explosive gases such atied operation 20kHz frequency separa rules flying site use will willfullyhydrogen-filled balloons ground mounted do-tion except 27MHz 53MHZ deliberately fly models careless reck- vices launching projectileThe exceptions permitted rockets flown accordance FREE FLIGHT less and/or dangerous mannerthe Safety Code National Association 4 mmodl weighs over 20 pounds will Rocketry permanently attached per 1 will launch model aircraft unless ye y insrdance paragraph 5 sec-JATO use also items authorized Airleast 100 feet downwind spectators auto- tion AMA Safety CodeShow Team use defined AST Advisory Coin-mobile parking 5 At air shows model flying demonstrations mittee document available AMA HO Note 2 will fly model unless launch area single straight line must established side model aircraft defined aircraft clear persons except mechanic off i- U flying other side spec- engine able carry human being daIs tators Only persons essential flight9 will fly model using turbojet power ax operations permitted flying side3 will em lal centrifugal flow unless have obtained ploy use adequate device line others must spectator special waiver such specific flights flight extinguish fuses model after U side Flying over spectator side line AMA President Executive Director will has completed its function i prohibited unless beyond control abide restrictions imposed such flights exceptions may permit- Note does apply ducted fan CONTROL LINE ight line requirement under special circumstances involving consideration ofmodels using piston engines electric motors 1 will subject complete control system insite conditions model size weight speedRADIO CONTROLcluding safety thong applicable inand power must jointly approved AMAspection pull test prior flying I President Executive Director maxi-1 will have completed successful radio equipmum permissible takeoff weight models 55mont ground range check before first flight of21 will assure flying area safely clear Ibsa new repaired modelof utility wires poles 6 will fly model unless identified with2 will fly model aircraft presence3 will assure flying area safely clear name address AMA number inof spectators until become qualified flier un-of non-essential part cipants spectators model Note does apply modelsless assisted experienced helperbefore perm ft ng eng ne started L 8 Model Aviation 0 SEMI/ liii 995 PO Box 4365AIgevallmhOe*om Add $2J0 Shipping & Handling Margate FL 33WI-lobby Lobby
Edition: Model Aviation - 1991/03
Page Numbers: 118, 119, 120, 121, 193, 194, 195, 196, 198
NO OCR TEXT fly scored max Matthew next Towing problems prevented Matthews maxing missed three-minute max Ii seconds Mike Keller last fly used up attempt shim under hor frontal stabilizer trailing edge fell out model dived line end round approaching Mike made lucky stab incidence gle went up againfor first chain seven flights perfect times put him flyoffs calm air pow erful liftmy favorite conditionshelped too Maxing rest flights ended day 14th place Charles problems round three Af ter Glider spun off launch cracking its tail boom dropped out Tow ing problems plagued Matthew day still found some good lift Gagliano brothers finished day 73rd 71st place respectively Mike Keller went max four- five-minute flyoff rounds scored 164 seconds six-minute round number two model Having caught boom ing thermal five-minute round first model lost somewhere mountainside Mike heard exclaim Id Cowley bird couldve made Though somewhat disappointed ended day fourth place US Wakefield entry Soko Cup reduced two Chris Pelatow skis model box hadnt found Rod loerger Dave Warren represented country field 44 Rod started off right attaining 3 Aminute max time spare dropped 13 seconds second round 30 fourth otherwise remained clean sixth-place standing days end Dave put up good flights too hindered long weak motor runs finished day 32nd place 842 seconds Probably event has advanced faster other FiC Power Craig Lippman Jim Troutman both flew tech nically sophisticated cutting edge models Craig brought aluminum-skinned fullfunction airplane beautiful bunt tran sition folding carbon prop Knowing bunt system invites danger de struction carbon props 2bsolete Jim Troutman used buntless models APC propeller latest rage ro March 1991 119 Left 1990 US Junior Free Flight World Championships team Standing L R Mike Keiler Team Manager Bob Sif lest Matthew Gag ilano Craig Lippman Jim Troutman Kneeling L R Chris Peistowaki Rod loerger Dave Warren Joel Grasmayer Right great puzzlement German airport offlclala Matthew Gaglianos retrieval beeper went off model box teams stopover Frank furt Man brother Charles look anxiously Bob Sifleet opens beeping box screwdriver quiet things down Left thermal-whipping crew preparee action awaiting Mike Keiiera four-minute flyoff Soko Cup contest Right Ed Pale towski shown launching Charles Gagilano great help Fl Glider team during Soko Cup flying Left Ill drink thati team celebrates fine day competition 100 square feet grass free fertilizer Right Mark Troutman hails Texas happily took duty official cow chmr grazing cattle source nature fertilizer wind howled around 20 mph note flag show went FlA Glider author some towing problems three US fliers managed max tary thrust Jim mind money APC prop sells $159 local hobby shop carbon prop can set back least $50 Joined amazing power Nelson engines high-tech features gave Craig Jim outstanding climbsthough still lost out thermal max Craig finished 21th place after sac rificing number model ther mal gods Jim went place 20th After days flying dinner field listened mix European American music awards ceremony gan dusk Flying Soko Cup gave us chance evaluate models ourselves contest conditions would face World Championships Sunday Monday team practice days fine-tuned trim models got know weather thermal characteristics field As wed heard other modelers weather nearly perfect Free Flight first hours morning 700 900 calm patches buoyant air Light variable thermal-feeding winds picked up until around noon pre vailing valley wind took over continued late afternoon Since pattern held ninety percent time planned practice schedule flying tactics around Round World Championships scheduled begin 700 morn ing FlA fliers max 300 FiB 330 FiC 400 Its hard succeed doing well first two rounds first usually critical still air performance often separates men boys arrived field morning 630 am give take breakfast put up still air flights possible helped substantially us least airplane trimmed achieve morning max perfecting trim best Glider Matthew Gagliano launched large thermal model flew out sight after dethermalizer failed plane drifted downwind first rode thermal beyond thousand feet drift ed straight back toward us right sun Several people watched least 25 minutes least clear evidence negligible drift site Having lost number Glider Soko Cup flyoffs Mike Keller spent time trimming out AL-37 Ultimate Dragmaster put final trim two Bradley-designed models adjusted zoom launch Ultimate Dragmaster Though born straight-towing days Dragmaster has proven forgiving towline easy trim good ther maler boot Overall kitted design excellent beginners model FlB team smooth practice ses sion Rod loerger flew both fine still air model new plane showed potential Dave Warren worked shortening mo tors run times powerful climb Chris Pelatowski father used up first day practice driving back Dubrovnik Chriss box finally ar rived promised models flew great right out box Power team however two days frustration bad luck Craig Lippman crashed two remaining three models beyond repair originally brought four lost Soko Cuptemporandy third model also crashed repaired Tom Kerr Craigs grandfather 120 Model Aviation Left Posing models US Fl B Wakefield team members L R Dave Warren Rod loerger Chris Pelatoweki Right Fl Gilder team models left right Matthew Gagliano Joel Grasmeyer Mike Keller FiB team 7th FlA boys 10th Left Struggling hold footing 30-mph winds several team members Rashan Samuel Australia dont seem too disap pointed learning FlA postponed till next day Right Part team used free time after flying canceled tour Worid War ii memorial beautiful country just south Mostar Two students university Mostar sewed guides US Fl C Power trio accepta first-place honors awards ciosing ceremo nies ieft second-piace Korean team third-puce Soviets right Americans secret Au three efties Future US teama may need earn negative-ieft-bunt launches Mike Keller some hard landings too though planes damaged badly Craigs Tom caine res cue again wanting feel left out Jim Troutman also managed nasty crash father still working repairs midnightand probably beyond spent Tuesday morning taking team pictures performing limited trim flights 100 pm processed models rub ber motors towlines returned Mostar until 700 pm opening ceremo nies Some us used extra time tour Mostars Old Town highlight fa mous bridge known Old Bridge built 1566 Turks equivalent $30 two local divers would leap bridge forty-degree water Ne retva River 65 feet below Regrouping walked school sta dium opening ceremonies held Since few other teams ar rived early Soko Cup practice first opportunity see 19 national teams Olympics-style cere mony included two musical groups speech es FM representatives abundance parading Day OneWednesdaydawned gray clouds rain first three months cold wind no weather flying Continued page 193 Tom Kerr prays earnestiy Yugosiavian thermai gods trusty thermistor side Toms uncanny nose thermic pivotai Americana succesa March 1991 121 Fl C World Champion Mike Kelier stands proudiy among individuai winners power Whens engine Mike Concentration filis faces Tom Kerr PlC fiier Craig Lippman wait Tensing iaunch Oniy 14 years oid passing thermai Tom showed gift Soviet flier maintained perfect score choosing air over over again meet through sixth round Unfortunateiy dropped over minute iast Chris Peiatowski scans field signs lift Chris flew Fl B team driven back Dubrovnik dad day before pick up iate-arriving modei An elated power team celebrates Its victory Team Manager Bob Sifiect Left right Craig Lippman Sifleet Mike Keiler World Championship trophy Jim Troutman holding team trophy Notice both fliers raise trophies ieft hand arrow shaft tubes can epoxied leading edges surfaces add stiffness Use rattail chain-saw file suitable diameter file semicircular groove both wings trailing edge surfaces leading edge groove should just large enough accommodate tube necessary tubes may telescoped using graduated diameters closely match taper wing Glue tube leading edge sur face using 5-minute epoxy sure sur face true glue curing Control sur faces can attached wing using arrowshaft hinges tape prefer tape because quicker lighter generates no stress points wing because control surfaces can re moved time repair painting Safety note extremely careful han dling trailing edges surface can very sharp will cut like razor warning Ill wager will cut yourself first time Once surfaces attached wing ready go Perhaps youll want prime paint competition Sailplane pigmented epoxy gives very good finish Priming painting very very time-consuming adds up 15% weight wing Dont unless just have elect paint few words caution Most paint solvents will eat styrene foam very quickly Dont rub solvent wing sur face dont gloss thick coats paint until surface well filled two things can happen both bad First solvent will seep through pinholes surface cause bubbles paint second solvent will dissolve thin foam trailing edge thereby causing glass skins separate Its pretty sight whole construction process takes two six hours actual labor two wing halves depending size complexity wing about one-third one-half time required other construction meth od actual cost materials about 25% cost construction uses balsa wings compare very favorably weight other construction methods much stronger stiffer set Two Meter wings weighs about 10 oz Terminator wings weigh 20 oz finished wings can also take beating lost Terminator #2 about 1000 ft according Casio altitude watch inside think control cable parted plane made vertical dive warp speed recenfly-plowed field planting itself vertically up its wing rods mud damage limited bent wing rod loosened empennage minor gravel rash Re pairs took less 30 minutes flying next day building wings other method Final hint Kitplanes magazine publication builders experimental aircraft other loo nies usually lists fair number suppliers composite materials tools full good ideas too will also get some valuable tips reading articles Model Aviation magazine Pylon Racers some great painting Free Flighters use radical construction methods everyone interested aerodynamics control conclude article Frank listed sources bagging supplies Since writing Frank has gone supplies business himself broad line includes everything needed bagging attractive prices too putting bagging seminars shop Thank Frank Weston valuable article Send large SASE list Franks sup plies also contains full line Sailplanes including Two Meter SAM-I 100-in Merlin 138-in Magic 160-in-span Termina tor am considering putting together complete list ing sources Sailplane building materials parts kits etc What think E Jr FF Champs/Grasmeyer Continued page 121 mention driving steep curving mountain roads few guardrails Still managed arrive ample time scheduled 700 am first round orga nizers forced move FlA Thurs day FiC FiB Friday Satur day Leaving field late morning stopped briefly hotel ate lunch university Mostar Apparently col lege food bad everywhere After lunch two young Yugoslavian wom en graduates university took Gaglianos Bob Sifleet Mike Keller tour renowned World War II merug 7d 4 ~ Podaogn Inc Only ce-tit led checks money ordem accepted Minimum order S12OOtortlmepackagesotd Pomerpolests3Soperoackage -I- $150 shipping handling CT residento add 75% sales tao Prices suhiect change inithout notice DEALER INQUIRIES INVITED Fm bother intorrnaljon dealer prices send SASE tousiness Card SERMO RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 THE LEADER IN COM PETITION NEW p DIA 12 13 14 15 16 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 5/a34 634 72833456 833/a4568 8/a4568/a7 94566Va77Ia 10456B/a7 106W8W 10SEW 114677Ia775/a8 ii SW 11 6EW* ll/a 67 12 4W 12 5W 12 56 13 56 14 56 15 56 16 4N 16 678 PROPELLERS 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 Ia 8 677/a 8 677/a 8 67 678 March 1991 193 NEW p FINGER SAVER INC P RESENTS Patented Safety Retainer No damaged fingers Eliminates need helper Allows complete freedom START & ADJUST plane ALONE High quality steel Lightweight Compact MUST flier Dealers invited NOW ONLY $1995 s&h FL res add 7% tax FINGER SAVER INC PO Box 1416 St Petersburg FL 33731 PRO SERIES 3 RO PYLON RACING SERIES 500 DIAPITCH 75N5/aN 8I6Ia7V,75/a8 SERIES 400C 8a/66a1777 977Va7/a W WIDE BLADE EW EXTRA WIDE N NARROW morial overlooking Mostar Delighted test English Americans guides later served unofficial interpreters Back hotel picked up few team members supporters drove eight miles south Buna underground river emerges rocky cliff shelters several species preda tory birds Moslem family lives cliffside dwelling near water-powered barley mill fish hatchery visit deepened appreciation Yugoslav culture its historical roots Day TwoThursdaybegan open ing round FlA sent chase crew downwind set up flight line Since wind still strongbetween 15 25 mphtowing would quite difficult Station ing Tom Kerr thermistor upwind launched warm lull released mod els much altitude possible flare went off promptly 700 morning Mike Keller launched first drop wind missed ther mal Matt Gagliano followed accept able time 203 turn began spate towing troubles missed maxes would continue three rounds second round Mike stayed up just over two minutes Matt luckier found first good air morning maxed Having towing problems scored 14 seconds after model spun off launch round three switched models found lift big lull maxed Flying second Matt caught some turbulent sink landed just over minute Mikes plane flew out medium lift missed max 30 seconds launched first round four maxed Mike followed missing max seven seconds Matt low launch milked small patch lift two-minute time fifth round Matts model spun half way down off zoom launch recov ered scored 113 Mike maxed excellent air chosen Tom Kerr sixth round coin flipped over Mikes flight lasted 1 mm 32 sec Matt booming max spun down 12 seconds after final dose towing trouble last round Matts model almost mimicked last flight touching ground 27 seconds Mike circled once found big thermal easily maxed switched third model old reliable Ultimate Dragmaster found enough lift fourth max much relief packed models fragments thereof back boxes Matt finished 36th just ahead 38th Mike Keller accumulated 948 seconds putting him 23rd Day ThreeFridaybegan winds gusting between 10 20 mph 700 am round first official flight Craig Lippman easily stayed up 400 max Jim Troutmans launch pushed over its back wind giving him 239 Mike Keller maxed big thermal selected Tom Kerr second round marked beginning overrun troubles Craig Jim clocked almost full second over See Dealer Cataloger Order they dont carry Square Cut Tools cal us pay cal pay shipp og U S aod Canada 407 254-0516___ 905 N flaroor City Bud Melbourne Fl 32935 Dealer/Olatrlbuter InquIries Invited ida Res Add 6% Sales Tax seven-second motor run thought timekeepers may have anticipated launch slow reaction times Doug Galbreath discusses sort problem June/July issue NFFS Digest Af ter some heated discussion two original timekeepers replaced some Yugo slav power fliers Just safe flier shortened engine run least secondeven though FAI Power ship means giving up 100 feet alti tude Craig Jim maxed re flights Putting up first flight round Mike barely missed 300 max Craig began round three exciting flight its horizontal stabilizer de tached launch model looped four times landed engine running 209 645 5535 GOLDEN GATE HOBBIES PO BOX 27001 FRESNO CAUFORNIA 93729 M/CVISA OR COD HA TORI RA DICICON I&fMSK HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 WE WANT NEW DEALERS ! HATORI 650 LONG PIPE $4350 TO DEALERS CATALOG $ 200 OR FREE WiTh ORDERS 194 Model Aviation Meter meter problems eater Accurate Robart aircraft alignment tools mean fewer failures fun c4f y Dealers Nationwide POBox 1247 SIChar/es IL 60174 708-584-7616 ROBARTMFS 1990 accurate way measure travel elevator aileron THE precision instrument designed toflaps rudder Attaches easily flying surface precisly accurately measure relationshipmeasures surface deflection Allows accurate between rotor blade flybar Allows fordifferential adjustments Fiits large small scale aircraft precise set-up collective inputs location Offers features greater accuracy expensive meters #1 meter setting proper thrust wing stabilizer incidence Readies new models accurate flight helps diagnose other models operate less best Fits wing tapered straight Fine tunes 1/8 degree SQL 5 pc Masters Set lIt 3/161/4 5/16 3/8$1698 3 pc Builders Set- 3/16 1/4 5/16$ 998 Satisfaction GuaranteedPRECISION MODEL PRODUCTS Launching next 55-second engine run Mike seven seconds short max Craigs model escaped damage reassembled some extra holddown rubberbands launched missed maxing half minute Pressed time end round Jim forced launch cold liftless wind dropped 20 seconds fourth round tear finally perfectly together fli naxed thanks again fine air chosen Tom thermistor Tom timekeepers said has nose thermic Mike Jim began fifth round same vein high-climbing maxes Craig launched third After clear overrun eight seconds plane caught good ther mal maxed Craig didnt have spare model since craft air three 10 minutes remaining round chase team asked return plane within seven minutesnot easy task strong wind three chase vehicles Astonishingly chasers back 5/2 minutes almost breaking land speed record Volkswagen van time Craig Tom quickly checked over processed fueled Craigs model round ended team fully focused now Without looking back plunged sixth round maxed flight Realizing theyd first team placings day Craig 7IiJhaII RIC 1db-Bar Glow Plugs Long Short Also.Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $169 Swanson Associates PO Box 151 7945 Wayne NJ 07470 Jim Mike knew seventh round critical Craig beautiful straight climb max Mike followed other Jim felt pressure keenly re leased perfect launch model cir cled higher higher buffeting wind Itll take Bob Sifleet predicted month come down perfect flight cap day US won FiC team champion ship Mike Keller new World Champion Jim Troutman finished just hind trophies fourth place Craig Lippman seventh double-headed victory unprece dented annals US Free Flight competition adult Junior did 1990 Junior FiC team break mold three fliers left-handed unique fly ing style brought group closer together Tom Kerrs astuteness finding lift made unbeatable Tom named honorary left-hander southpaws left Russians North Koreans waving left hands air jumping off right feet years American power fliers have throwing models right hand despite clear proof right hand wrong hand Only left hand can produce perfect negative-left-bunt launch kind brings max after max regard less conditions US FiB Wakefield team began Made U S BARSTOCK ALUMINUM SPINNERS Part NoSize 11150-B 12 TT-175B 314 11-2000 11-225B 1/4 fl-226B 114 FAI 11250-B .. 2-1/2 TT-251-B /2 FAt .. TI-275-B . 23/4 11-276-B . 23/4 FAI 00B 11-301-B3 FAI TT-325B . 3-1/4 TT-350B.. 3-1/2 11-375-B. 3-3/4 11-400-B RetailApprox PriceWeight $1395058 ox 1495095ez 159510002 169516002 1695150ox 1695190ox 2095170oz 2295220ox 249520002 269526002 269525002 3695340oz 4995470ox 599552002 6995570ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Part NoSize 11-140-A . 1/4-26 47-A . 1/4-26/7mm TT-610-A.6x 10mm TI-hO-A.7x 10mm 11-516-A .5/16-24 11-516-A 24/Bmw TT-B10-AB x 10mm 11-625-AB x 125mm TT-375-A3/6-24 11-125-A10 x 125mm RetailApprox PriceWeight 5495 .06102 495.061ox 49506302 495. 06202 495..07602 495..07602 495 076oz 495 07502 595 .ll7ox 595liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 March 1991 195 5H710 Pkg 24 $295 EAsT HINEAI THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge No gouging picking messy epoxies Simply Cut single knife slot tor hinge slide hinges e apply tew drops ot tavorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e &t t9e4 fza eaa & SIG MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 DO IT THE SAFE WAY START YOUR ENGINE FROM BEHIND THE PROPELLOR WITH THE SAFESTARTADAPTER Patent Pending Designed mount starter field box No mare reaching around spinning propellor remove glow battery adjustment carburetor face never over propellor Easy use Engage spinner starter drive washer give alight downward pressure activate starter downward start insures field box wont move Mount SAFE-START high enough match height aircraft Easy installation field boxes Regular SAFE-START up 90 engine JUMBO SAFE-START 120 engine Introductory Price IStarter out includedl Regular SAFE-START C34•95 plus $300 postage/handling Jumbo SAFE-START 4495 plus $300 postage/handling Check Money Orders No COD Make checks payable SAFE-START Mass residents add 5% ssles tax Manufactured WEAVER MACHINING SERVICE 6 Dewey St Maynard MA 01764 Telephone 508-897-9591 next day earnest effects storm passed Lift easier locate chase crew well-deserved rest Rod loerger started auspiciously lit erally perfect maxhis model touched ground exactly 330 Chris Pelatowski disappointing flight Dave Warren came closer 318 Rod maxed again second round Chriss model climbed well caine down nine seconds short took no chances Dave launched building ther mal rest us ran under model wav ing shirts whip up air worked Rod Dave maxed again round three Rod hooking first significant thermal day Chris glided just second short max fourth round shifting wind direc tions made lift difficult locate Rod missed thermal landed 210 Chris found little lift have model hit streamer pole way down Dave luckier maxing biggest thermal day Round five saw Chris repeating Rods last time 210 Dave climbed out fourth consecutive max Rod switched planes maxedhis fourth too sixth round Rod caught area sink landed 215 Chris maxed after energetic launch Dave waited five minutes thermal slowly built up wind time launched motor tired giving low climb low time team rebounded final round Rod Dave picked good air both maxed after low swooping launches delayed climbouts Flying Bob White No 22 model Chris minimal lift until thermal-whipping crew created bubble tripled altitude Dave Warren finished 12th final standings Rod loerger 14th Chris Pelatowski 28th closing ceremonies evening winners given trophy medal national anthems played flags displayed Living up its reputa tion Soviet Union claimed first place three events combined US team celebrated its FtC sweep again drove south Buna postceremony banquet feasted fresh fish under trees listened Yugo slav music group individual winners brought models pictures inspec tion exchanged team shirts traded other souvenirs modeling products After friendly good-byes pre pared leave Dubrovnik Its amazing common interest model airplanes breaks down cultural linguistic barriers farewell rituals repeated US team members separated Kennedy International Airport once-in-a-lifetime experience flying Junior World Champs took years preparation None us US team mem bers could have accomplished alone wish thank Joe Kresnak Karl Spielmaker Bill Shailor Jim Bradley Chuck Markos Bob Sifleet con tributed special way making dream reality United States team wishes ac knowledge following AMA providing team uniforms patches hinds well handling necessary paperwork FlA day 196 Model Aviation ADVANCES AEROCuLL 05 Wwrr roe NFORMATO5 PRODUCTS R isousirt 15V11E0 Poe AEIVArLEODAERO05OEIJCTS ST 500 365-C 555573 75003 014 524-3940 Obechi Large Sheets Please call 415 462-0672 send SASE 850 Concord Street Pleasanton CA 94566 have pt [ rand 7 ngFlver. Als 1990 Eastern Soaring Leagsue Season Championship Win makes magic competition look like voo doo aerodynamics magic 8-year-old Windsong design can still defeat com petitions newest finest just imagine what Lovesong brand new Saber can Saber being called Wlndsong Nineties high praise indeed Al White has just shown Send 2 stamps new Catalog showing complete line Multichannel Gliders Also Second Wind/90-2 nesusletter now available Second Wind $1 per issue $2 per year USA INNOVATIVE MODEL DF SUPER FAST GRIPS TIGHT WH0E PTREftS DONT REMOVA8LEiflThOtJTATMcE-SUPER ADHESIVE ToI Clear PUMmDQS THI WORK US8 BY THE PROS Simple Use Part tie MixIng Y A134IESYES Ccl Art Johnson See RC Modeler April 89 Holds Canopies ANY Material Inokaing PlasflcCoesrlngs tin hAs AThIU8 Lock I6 No Fogging Clear Parts Better SIlicone Dries lIttOfl TOn85 Masters Whiner US Heidi Fliuwalls Fiberglass 1/4 Thne Scale Team eAJIows Servos Mounted Setter C/Ks Attaching Norm Gover EdItor Scale RV Modeler Anywhere Wllbout Fear CanopIes PlastIc Api FrUIt Costello CalUfilnIst Flying Modets Totally Removable WIlliout Flbergtass Parts y Southeastern ContributorCausing Danuge Scale RiC Modeler Masters CompetItor Mlhe Has Superstar Helicopter Ptlot PFM Available Hobby Retailer NoL Call laevsllve Medal Pieubutu Toll Free 800 780-3190 Ordert Dealer Inquiries Wanted would have frozen team jackets Tom Kerr beautiful lift se- modelers learned about other cultures lected Doug Galbreath printing teamand learned new pride own country cards Bob Sifleet outstanding work asThe program offers young people ulti mate incentive seriously pursue modeling Bob Bill Hunter Satellite City forTeam Manager Continuing support Junior Free donating Hot StuffId like encourage AMA NFFSFlight team investment future Jim Bradley Bradley Model Productsand individual modelers nationwide fullymodel aviation Junior participation inter national Control Line Radio Control carbon fiber FlA accessoriessupport Junior Free Flight World Chain-competition would benefit US modelBetty Kerr beautiful knitted teampionships program Participating pro- sweatersgram has changed lives Weve growning community well II OFFICIAL AMA SAFETY CODEJanuary 1 1991 Model Flying Must Accordance Code Order AMA Liability Protection Apply GENERALflown indoors3 will perform initial turn after takeoff away 1 will fly model aircraft competition or7 will operate models met al-bladed pro-from pit spectator areas will U Iin presence spectators until has beenpellers gaseous boosts gasesafter fly over pit spectator areas unless beproven airworthy having previ-other air normal atmospheric pressure en-yand control ously successfully flight testedter internal combustion engines nor will I4 will operate model using radio control operate models extremely hazardous fuelsfrequencies currently allowed Federal 2 will fly model higher approxi- ch containing tetranitromethane orCommunications Commission Only properly Ii Imately 400 feet within 3 miles airport with-drazine out notifying airport operator will give right-censed Amateurs authorized operate equipof-way avoid flying proximity full-8 will operate models pyrotechnics anyment Amateur Band frequencies Further scale aircraft necessary observerdevice explodes burns propels projec-any transmitters use sanctioned event shall utilized supervise flying avoid hay-tile kind including limited rockmust have certified RICMA-AMA gold sticker ating models fly proximity full-scale aircrafteta explosive bombs dropped modelsfixed indicating manufactured modi- U I3 established will abide safetysmoke bombs explosive gases such atied operation 20kHz frequency separa rules flying site use will willfullyhydrogen-filled balloons ground mounted do-tion except 27MHz 53MHZ deliberately fly models careless reck- vices launching projectileThe exceptions permitted rockets flown accordance FREE FLIGHT less and/or dangerous mannerthe Safety Code National Association 4 mmodl weighs over 20 pounds will Rocketry permanently attached per 1 will launch model aircraft unless ye y insrdance paragraph 5 sec-JATO use also items authorized Airleast 100 feet downwind spectators auto- tion AMA Safety CodeShow Team use defined AST Advisory Coin-mobile parking 5 At air shows model flying demonstrations mittee document available AMA HO Note 2 will fly model unless launch area single straight line must established side model aircraft defined aircraft clear persons except mechanic off i- U flying other side spec- engine able carry human being daIs tators Only persons essential flight9 will fly model using turbojet power ax operations permitted flying side3 will em lal centrifugal flow unless have obtained ploy use adequate device line others must spectator special waiver such specific flights flight extinguish fuses model after U side Flying over spectator side line AMA President Executive Director will has completed its function i prohibited unless beyond control abide restrictions imposed such flights exceptions may permit- Note does apply ducted fan CONTROL LINE ight line requirement under special circumstances involving consideration ofmodels using piston engines electric motors 1 will subject complete control system insite conditions model size weight speedRADIO CONTROLcluding safety thong applicable inand power must jointly approved AMAspection pull test prior flying I President Executive Director maxi-1 will have completed successful radio equipmum permissible takeoff weight models 55mont ground range check before first flight of21 will assure flying area safely clear Ibsa new repaired modelof utility wires poles 6 will fly model unless identified with2 will fly model aircraft presence3 will assure flying area safely clear name address AMA number inof spectators until become qualified flier un-of non-essential part cipants spectators model Note does apply modelsless assisted experienced helperbefore perm ft ng eng ne started L 8 Model Aviation 0 SEMI/ liii 995 PO Box 4365AIgevallmhOe*om Add $2J0 Shipping & Handling Margate FL 33WI-lobby Lobby
Edition: Model Aviation - 1991/03
Page Numbers: 118, 119, 120, 121, 193, 194, 195, 196, 198
NO OCR TEXT fly scored max Matthew next Towing problems prevented Matthews maxing missed three-minute max Ii seconds Mike Keller last fly used up attempt shim under hor frontal stabilizer trailing edge fell out model dived line end round approaching Mike made lucky stab incidence gle went up againfor first chain seven flights perfect times put him flyoffs calm air pow erful liftmy favorite conditionshelped too Maxing rest flights ended day 14th place Charles problems round three Af ter Glider spun off launch cracking its tail boom dropped out Tow ing problems plagued Matthew day still found some good lift Gagliano brothers finished day 73rd 71st place respectively Mike Keller went max four- five-minute flyoff rounds scored 164 seconds six-minute round number two model Having caught boom ing thermal five-minute round first model lost somewhere mountainside Mike heard exclaim Id Cowley bird couldve made Though somewhat disappointed ended day fourth place US Wakefield entry Soko Cup reduced two Chris Pelatow skis model box hadnt found Rod loerger Dave Warren represented country field 44 Rod started off right attaining 3 Aminute max time spare dropped 13 seconds second round 30 fourth otherwise remained clean sixth-place standing days end Dave put up good flights too hindered long weak motor runs finished day 32nd place 842 seconds Probably event has advanced faster other FiC Power Craig Lippman Jim Troutman both flew tech nically sophisticated cutting edge models Craig brought aluminum-skinned fullfunction airplane beautiful bunt tran sition folding carbon prop Knowing bunt system invites danger de struction carbon props 2bsolete Jim Troutman used buntless models APC propeller latest rage ro March 1991 119 Left 1990 US Junior Free Flight World Championships team Standing L R Mike Keiler Team Manager Bob Sif lest Matthew Gag ilano Craig Lippman Jim Troutman Kneeling L R Chris Peistowaki Rod loerger Dave Warren Joel Grasmayer Right great puzzlement German airport offlclala Matthew Gaglianos retrieval beeper went off model box teams stopover Frank furt Man brother Charles look anxiously Bob Sifleet opens beeping box screwdriver quiet things down Left thermal-whipping crew preparee action awaiting Mike Keiiera four-minute flyoff Soko Cup contest Right Ed Pale towski shown launching Charles Gagilano great help Fl Glider team during Soko Cup flying Left Ill drink thati team celebrates fine day competition 100 square feet grass free fertilizer Right Mark Troutman hails Texas happily took duty official cow chmr grazing cattle source nature fertilizer wind howled around 20 mph note flag show went FlA Glider author some towing problems three US fliers managed max tary thrust Jim mind money APC prop sells $159 local hobby shop carbon prop can set back least $50 Joined amazing power Nelson engines high-tech features gave Craig Jim outstanding climbsthough still lost out thermal max Craig finished 21th place after sac rificing number model ther mal gods Jim went place 20th After days flying dinner field listened mix European American music awards ceremony gan dusk Flying Soko Cup gave us chance evaluate models ourselves contest conditions would face World Championships Sunday Monday team practice days fine-tuned trim models got know weather thermal characteristics field As wed heard other modelers weather nearly perfect Free Flight first hours morning 700 900 calm patches buoyant air Light variable thermal-feeding winds picked up until around noon pre vailing valley wind took over continued late afternoon Since pattern held ninety percent time planned practice schedule flying tactics around Round World Championships scheduled begin 700 morn ing FlA fliers max 300 FiB 330 FiC 400 Its hard succeed doing well first two rounds first usually critical still air performance often separates men boys arrived field morning 630 am give take breakfast put up still air flights possible helped substantially us least airplane trimmed achieve morning max perfecting trim best Glider Matthew Gagliano launched large thermal model flew out sight after dethermalizer failed plane drifted downwind first rode thermal beyond thousand feet drift ed straight back toward us right sun Several people watched least 25 minutes least clear evidence negligible drift site Having lost number Glider Soko Cup flyoffs Mike Keller spent time trimming out AL-37 Ultimate Dragmaster put final trim two Bradley-designed models adjusted zoom launch Ultimate Dragmaster Though born straight-towing days Dragmaster has proven forgiving towline easy trim good ther maler boot Overall kitted design excellent beginners model FlB team smooth practice ses sion Rod loerger flew both fine still air model new plane showed potential Dave Warren worked shortening mo tors run times powerful climb Chris Pelatowski father used up first day practice driving back Dubrovnik Chriss box finally ar rived promised models flew great right out box Power team however two days frustration bad luck Craig Lippman crashed two remaining three models beyond repair originally brought four lost Soko Cuptemporandy third model also crashed repaired Tom Kerr Craigs grandfather 120 Model Aviation Left Posing models US Fl B Wakefield team members L R Dave Warren Rod loerger Chris Pelatoweki Right Fl Gilder team models left right Matthew Gagliano Joel Grasmeyer Mike Keller FiB team 7th FlA boys 10th Left Struggling hold footing 30-mph winds several team members Rashan Samuel Australia dont seem too disap pointed learning FlA postponed till next day Right Part team used free time after flying canceled tour Worid War ii memorial beautiful country just south Mostar Two students university Mostar sewed guides US Fl C Power trio accepta first-place honors awards ciosing ceremo nies ieft second-piace Korean team third-puce Soviets right Americans secret Au three efties Future US teama may need earn negative-ieft-bunt launches Mike Keller some hard landings too though planes damaged badly Craigs Tom caine res cue again wanting feel left out Jim Troutman also managed nasty crash father still working repairs midnightand probably beyond spent Tuesday morning taking team pictures performing limited trim flights 100 pm processed models rub ber motors towlines returned Mostar until 700 pm opening ceremo nies Some us used extra time tour Mostars Old Town highlight fa mous bridge known Old Bridge built 1566 Turks equivalent $30 two local divers would leap bridge forty-degree water Ne retva River 65 feet below Regrouping walked school sta dium opening ceremonies held Since few other teams ar rived early Soko Cup practice first opportunity see 19 national teams Olympics-style cere mony included two musical groups speech es FM representatives abundance parading Day OneWednesdaydawned gray clouds rain first three months cold wind no weather flying Continued page 193 Tom Kerr prays earnestiy Yugosiavian thermai gods trusty thermistor side Toms uncanny nose thermic pivotai Americana succesa March 1991 121 Fl C World Champion Mike Kelier stands proudiy among individuai winners power Whens engine Mike Concentration filis faces Tom Kerr PlC fiier Craig Lippman wait Tensing iaunch Oniy 14 years oid passing thermai Tom showed gift Soviet flier maintained perfect score choosing air over over again meet through sixth round Unfortunateiy dropped over minute iast Chris Peiatowski scans field signs lift Chris flew Fl B team driven back Dubrovnik dad day before pick up iate-arriving modei An elated power team celebrates Its victory Team Manager Bob Sifiect Left right Craig Lippman Sifleet Mike Keiler World Championship trophy Jim Troutman holding team trophy Notice both fliers raise trophies ieft hand arrow shaft tubes can epoxied leading edges surfaces add stiffness Use rattail chain-saw file suitable diameter file semicircular groove both wings trailing edge surfaces leading edge groove should just large enough accommodate tube necessary tubes may telescoped using graduated diameters closely match taper wing Glue tube leading edge sur face using 5-minute epoxy sure sur face true glue curing Control sur faces can attached wing using arrowshaft hinges tape prefer tape because quicker lighter generates no stress points wing because control surfaces can re moved time repair painting Safety note extremely careful han dling trailing edges surface can very sharp will cut like razor warning Ill wager will cut yourself first time Once surfaces attached wing ready go Perhaps youll want prime paint competition Sailplane pigmented epoxy gives very good finish Priming painting very very time-consuming adds up 15% weight wing Dont unless just have elect paint few words caution Most paint solvents will eat styrene foam very quickly Dont rub solvent wing sur face dont gloss thick coats paint until surface well filled two things can happen both bad First solvent will seep through pinholes surface cause bubbles paint second solvent will dissolve thin foam trailing edge thereby causing glass skins separate Its pretty sight whole construction process takes two six hours actual labor two wing halves depending size complexity wing about one-third one-half time required other construction meth od actual cost materials about 25% cost construction uses balsa wings compare very favorably weight other construction methods much stronger stiffer set Two Meter wings weighs about 10 oz Terminator wings weigh 20 oz finished wings can also take beating lost Terminator #2 about 1000 ft according Casio altitude watch inside think control cable parted plane made vertical dive warp speed recenfly-plowed field planting itself vertically up its wing rods mud damage limited bent wing rod loosened empennage minor gravel rash Re pairs took less 30 minutes flying next day building wings other method Final hint Kitplanes magazine publication builders experimental aircraft other loo nies usually lists fair number suppliers composite materials tools full good ideas too will also get some valuable tips reading articles Model Aviation magazine Pylon Racers some great painting Free Flighters use radical construction methods everyone interested aerodynamics control conclude article Frank listed sources bagging supplies Since writing Frank has gone supplies business himself broad line includes everything needed bagging attractive prices too putting bagging seminars shop Thank Frank Weston valuable article Send large SASE list Franks sup plies also contains full line Sailplanes including Two Meter SAM-I 100-in Merlin 138-in Magic 160-in-span Termina tor am considering putting together complete list ing sources Sailplane building materials parts kits etc What think E Jr FF Champs/Grasmeyer Continued page 121 mention driving steep curving mountain roads few guardrails Still managed arrive ample time scheduled 700 am first round orga nizers forced move FlA Thurs day FiC FiB Friday Satur day Leaving field late morning stopped briefly hotel ate lunch university Mostar Apparently col lege food bad everywhere After lunch two young Yugoslavian wom en graduates university took Gaglianos Bob Sifleet Mike Keller tour renowned World War II merug 7d 4 ~ Podaogn Inc Only ce-tit led checks money ordem accepted Minimum order S12OOtortlmepackagesotd Pomerpolests3Soperoackage -I- $150 shipping handling CT residento add 75% sales tao Prices suhiect change inithout notice DEALER INQUIRIES INVITED Fm bother intorrnaljon dealer prices send SASE tousiness Card SERMO RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 THE LEADER IN COM PETITION NEW p DIA 12 13 14 15 16 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 5/a34 634 72833456 833/a4568 8/a4568/a7 94566Va77Ia 10456B/a7 106W8W 10SEW 114677Ia775/a8 ii SW 11 6EW* ll/a 67 12 4W 12 5W 12 56 13 56 14 56 15 56 16 4N 16 678 PROPELLERS 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 Ia 8 677/a 8 677/a 8 67 678 March 1991 193 NEW p FINGER SAVER INC P RESENTS Patented Safety Retainer No damaged fingers Eliminates need helper Allows complete freedom START & ADJUST plane ALONE High quality steel Lightweight Compact MUST flier Dealers invited NOW ONLY $1995 s&h FL res add 7% tax FINGER SAVER INC PO Box 1416 St Petersburg FL 33731 PRO SERIES 3 RO PYLON RACING SERIES 500 DIAPITCH 75N5/aN 8I6Ia7V,75/a8 SERIES 400C 8a/66a1777 977Va7/a W WIDE BLADE EW EXTRA WIDE N NARROW morial overlooking Mostar Delighted test English Americans guides later served unofficial interpreters Back hotel picked up few team members supporters drove eight miles south Buna underground river emerges rocky cliff shelters several species preda tory birds Moslem family lives cliffside dwelling near water-powered barley mill fish hatchery visit deepened appreciation Yugoslav culture its historical roots Day TwoThursdaybegan open ing round FlA sent chase crew downwind set up flight line Since wind still strongbetween 15 25 mphtowing would quite difficult Station ing Tom Kerr thermistor upwind launched warm lull released mod els much altitude possible flare went off promptly 700 morning Mike Keller launched first drop wind missed ther mal Matt Gagliano followed accept able time 203 turn began spate towing troubles missed maxes would continue three rounds second round Mike stayed up just over two minutes Matt luckier found first good air morning maxed Having towing problems scored 14 seconds after model spun off launch round three switched models found lift big lull maxed Flying second Matt caught some turbulent sink landed just over minute Mikes plane flew out medium lift missed max 30 seconds launched first round four maxed Mike followed missing max seven seconds Matt low launch milked small patch lift two-minute time fifth round Matts model spun half way down off zoom launch recov ered scored 113 Mike maxed excellent air chosen Tom Kerr sixth round coin flipped over Mikes flight lasted 1 mm 32 sec Matt booming max spun down 12 seconds after final dose towing trouble last round Matts model almost mimicked last flight touching ground 27 seconds Mike circled once found big thermal easily maxed switched third model old reliable Ultimate Dragmaster found enough lift fourth max much relief packed models fragments thereof back boxes Matt finished 36th just ahead 38th Mike Keller accumulated 948 seconds putting him 23rd Day ThreeFridaybegan winds gusting between 10 20 mph 700 am round first official flight Craig Lippman easily stayed up 400 max Jim Troutmans launch pushed over its back wind giving him 239 Mike Keller maxed big thermal selected Tom Kerr second round marked beginning overrun troubles Craig Jim clocked almost full second over See Dealer Cataloger Order they dont carry Square Cut Tools cal us pay cal pay shipp og U S aod Canada 407 254-0516___ 905 N flaroor City Bud Melbourne Fl 32935 Dealer/Olatrlbuter InquIries Invited ida Res Add 6% Sales Tax seven-second motor run thought timekeepers may have anticipated launch slow reaction times Doug Galbreath discusses sort problem June/July issue NFFS Digest Af ter some heated discussion two original timekeepers replaced some Yugo slav power fliers Just safe flier shortened engine run least secondeven though FAI Power ship means giving up 100 feet alti tude Craig Jim maxed re flights Putting up first flight round Mike barely missed 300 max Craig began round three exciting flight its horizontal stabilizer de tached launch model looped four times landed engine running 209 645 5535 GOLDEN GATE HOBBIES PO BOX 27001 FRESNO CAUFORNIA 93729 M/CVISA OR COD HA TORI RA DICICON I&fMSK HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 WE WANT NEW DEALERS ! HATORI 650 LONG PIPE $4350 TO DEALERS CATALOG $ 200 OR FREE WiTh ORDERS 194 Model Aviation Meter meter problems eater Accurate Robart aircraft alignment tools mean fewer failures fun c4f y Dealers Nationwide POBox 1247 SIChar/es IL 60174 708-584-7616 ROBARTMFS 1990 accurate way measure travel elevator aileron THE precision instrument designed toflaps rudder Attaches easily flying surface precisly accurately measure relationshipmeasures surface deflection Allows accurate between rotor blade flybar Allows fordifferential adjustments Fiits large small scale aircraft precise set-up collective inputs location Offers features greater accuracy expensive meters #1 meter setting proper thrust wing stabilizer incidence Readies new models accurate flight helps diagnose other models operate less best Fits wing tapered straight Fine tunes 1/8 degree SQL 5 pc Masters Set lIt 3/161/4 5/16 3/8$1698 3 pc Builders Set- 3/16 1/4 5/16$ 998 Satisfaction GuaranteedPRECISION MODEL PRODUCTS Launching next 55-second engine run Mike seven seconds short max Craigs model escaped damage reassembled some extra holddown rubberbands launched missed maxing half minute Pressed time end round Jim forced launch cold liftless wind dropped 20 seconds fourth round tear finally perfectly together fli naxed thanks again fine air chosen Tom thermistor Tom timekeepers said has nose thermic Mike Jim began fifth round same vein high-climbing maxes Craig launched third After clear overrun eight seconds plane caught good ther mal maxed Craig didnt have spare model since craft air three 10 minutes remaining round chase team asked return plane within seven minutesnot easy task strong wind three chase vehicles Astonishingly chasers back 5/2 minutes almost breaking land speed record Volkswagen van time Craig Tom quickly checked over processed fueled Craigs model round ended team fully focused now Without looking back plunged sixth round maxed flight Realizing theyd first team placings day Craig 7IiJhaII RIC 1db-Bar Glow Plugs Long Short Also.Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $169 Swanson Associates PO Box 151 7945 Wayne NJ 07470 Jim Mike knew seventh round critical Craig beautiful straight climb max Mike followed other Jim felt pressure keenly re leased perfect launch model cir cled higher higher buffeting wind Itll take Bob Sifleet predicted month come down perfect flight cap day US won FiC team champion ship Mike Keller new World Champion Jim Troutman finished just hind trophies fourth place Craig Lippman seventh double-headed victory unprece dented annals US Free Flight competition adult Junior did 1990 Junior FiC team break mold three fliers left-handed unique fly ing style brought group closer together Tom Kerrs astuteness finding lift made unbeatable Tom named honorary left-hander southpaws left Russians North Koreans waving left hands air jumping off right feet years American power fliers have throwing models right hand despite clear proof right hand wrong hand Only left hand can produce perfect negative-left-bunt launch kind brings max after max regard less conditions US FiB Wakefield team began Made U S BARSTOCK ALUMINUM SPINNERS Part NoSize 11150-B 12 TT-175B 314 11-2000 11-225B 1/4 fl-226B 114 FAI 11250-B .. 2-1/2 TT-251-B /2 FAt .. TI-275-B . 23/4 11-276-B . 23/4 FAI 00B 11-301-B3 FAI TT-325B . 3-1/4 TT-350B.. 3-1/2 11-375-B. 3-3/4 11-400-B RetailApprox PriceWeight $1395058 ox 1495095ez 159510002 169516002 1695150ox 1695190ox 2095170oz 2295220ox 249520002 269526002 269525002 3695340oz 4995470ox 599552002 6995570ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Part NoSize 11-140-A . 1/4-26 47-A . 1/4-26/7mm TT-610-A.6x 10mm TI-hO-A.7x 10mm 11-516-A .5/16-24 11-516-A 24/Bmw TT-B10-AB x 10mm 11-625-AB x 125mm TT-375-A3/6-24 11-125-A10 x 125mm RetailApprox PriceWeight 5495 .06102 495.061ox 49506302 495. 06202 495..07602 495..07602 495 076oz 495 07502 595 .ll7ox 595liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 March 1991 195 5H710 Pkg 24 $295 EAsT HINEAI THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge No gouging picking messy epoxies Simply Cut single knife slot tor hinge slide hinges e apply tew drops ot tavorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e &t t9e4 fza eaa & SIG MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 DO IT THE SAFE WAY START YOUR ENGINE FROM BEHIND THE PROPELLOR WITH THE SAFESTARTADAPTER Patent Pending Designed mount starter field box No mare reaching around spinning propellor remove glow battery adjustment carburetor face never over propellor Easy use Engage spinner starter drive washer give alight downward pressure activate starter downward start insures field box wont move Mount SAFE-START high enough match height aircraft Easy installation field boxes Regular SAFE-START up 90 engine JUMBO SAFE-START 120 engine Introductory Price IStarter out includedl Regular SAFE-START C34•95 plus $300 postage/handling Jumbo SAFE-START 4495 plus $300 postage/handling Check Money Orders No COD Make checks payable SAFE-START Mass residents add 5% ssles tax Manufactured WEAVER MACHINING SERVICE 6 Dewey St Maynard MA 01764 Telephone 508-897-9591 next day earnest effects storm passed Lift easier locate chase crew well-deserved rest Rod loerger started auspiciously lit erally perfect maxhis model touched ground exactly 330 Chris Pelatowski disappointing flight Dave Warren came closer 318 Rod maxed again second round Chriss model climbed well caine down nine seconds short took no chances Dave launched building ther mal rest us ran under model wav ing shirts whip up air worked Rod Dave maxed again round three Rod hooking first significant thermal day Chris glided just second short max fourth round shifting wind direc tions made lift difficult locate Rod missed thermal landed 210 Chris found little lift have model hit streamer pole way down Dave luckier maxing biggest thermal day Round five saw Chris repeating Rods last time 210 Dave climbed out fourth consecutive max Rod switched planes maxedhis fourth too sixth round Rod caught area sink landed 215 Chris maxed after energetic launch Dave waited five minutes thermal slowly built up wind time launched motor tired giving low climb low time team rebounded final round Rod Dave picked good air both maxed after low swooping launches delayed climbouts Flying Bob White No 22 model Chris minimal lift until thermal-whipping crew created bubble tripled altitude Dave Warren finished 12th final standings Rod loerger 14th Chris Pelatowski 28th closing ceremonies evening winners given trophy medal national anthems played flags displayed Living up its reputa tion Soviet Union claimed first place three events combined US team celebrated its FtC sweep again drove south Buna postceremony banquet feasted fresh fish under trees listened Yugo slav music group individual winners brought models pictures inspec tion exchanged team shirts traded other souvenirs modeling products After friendly good-byes pre pared leave Dubrovnik Its amazing common interest model airplanes breaks down cultural linguistic barriers farewell rituals repeated US team members separated Kennedy International Airport once-in-a-lifetime experience flying Junior World Champs took years preparation None us US team mem bers could have accomplished alone wish thank Joe Kresnak Karl Spielmaker Bill Shailor Jim Bradley Chuck Markos Bob Sifleet con tributed special way making dream reality United States team wishes ac knowledge following AMA providing team uniforms patches hinds well handling necessary paperwork FlA day 196 Model Aviation ADVANCES AEROCuLL 05 Wwrr roe NFORMATO5 PRODUCTS R isousirt 15V11E0 Poe AEIVArLEODAERO05OEIJCTS ST 500 365-C 555573 75003 014 524-3940 Obechi Large Sheets Please call 415 462-0672 send SASE 850 Concord Street Pleasanton CA 94566 have pt [ rand 7 ngFlver. Als 1990 Eastern Soaring Leagsue Season Championship Win makes magic competition look like voo doo aerodynamics magic 8-year-old Windsong design can still defeat com petitions newest finest just imagine what Lovesong brand new Saber can Saber being called Wlndsong Nineties high praise indeed Al White has just shown Send 2 stamps new Catalog showing complete line Multichannel Gliders Also Second Wind/90-2 nesusletter now available Second Wind $1 per issue $2 per year USA INNOVATIVE MODEL DF SUPER FAST GRIPS TIGHT WH0E PTREftS DONT REMOVA8LEiflThOtJTATMcE-SUPER ADHESIVE ToI Clear PUMmDQS THI WORK US8 BY THE PROS Simple Use Part tie MixIng Y A134IESYES Ccl Art Johnson See RC Modeler April 89 Holds Canopies ANY Material Inokaing PlasflcCoesrlngs tin hAs AThIU8 Lock I6 No Fogging Clear Parts Better SIlicone Dries lIttOfl TOn85 Masters Whiner US Heidi Fliuwalls Fiberglass 1/4 Thne Scale Team eAJIows Servos Mounted Setter C/Ks Attaching Norm Gover EdItor Scale RV Modeler Anywhere Wllbout Fear CanopIes PlastIc Api FrUIt Costello CalUfilnIst Flying Modets Totally Removable WIlliout Flbergtass Parts y Southeastern ContributorCausing Danuge Scale RiC Modeler Masters CompetItor Mlhe Has Superstar Helicopter Ptlot PFM Available Hobby Retailer NoL Call laevsllve Medal Pieubutu Toll Free 800 780-3190 Ordert Dealer Inquiries Wanted would have frozen team jackets Tom Kerr beautiful lift se- modelers learned about other cultures lected Doug Galbreath printing teamand learned new pride own country cards Bob Sifleet outstanding work asThe program offers young people ulti mate incentive seriously pursue modeling Bob Bill Hunter Satellite City forTeam Manager Continuing support Junior Free donating Hot StuffId like encourage AMA NFFSFlight team investment future Jim Bradley Bradley Model Productsand individual modelers nationwide fullymodel aviation Junior participation inter national Control Line Radio Control carbon fiber FlA accessoriessupport Junior Free Flight World Chain-competition would benefit US modelBetty Kerr beautiful knitted teampionships program Participating pro- sweatersgram has changed lives Weve growning community well II OFFICIAL AMA SAFETY CODEJanuary 1 1991 Model Flying Must Accordance Code Order AMA Liability Protection Apply GENERALflown indoors3 will perform initial turn after takeoff away 1 will fly model aircraft competition or7 will operate models met al-bladed pro-from pit spectator areas will U Iin presence spectators until has beenpellers gaseous boosts gasesafter fly over pit spectator areas unless beproven airworthy having previ-other air normal atmospheric pressure en-yand control ously successfully flight testedter internal combustion engines nor will I4 will operate model using radio control operate models extremely hazardous fuelsfrequencies currently allowed Federal 2 will fly model higher approxi- ch containing tetranitromethane orCommunications Commission Only properly Ii Imately 400 feet within 3 miles airport with-drazine out notifying airport operator will give right-censed Amateurs authorized operate equipof-way avoid flying proximity full-8 will operate models pyrotechnics anyment Amateur Band frequencies Further scale aircraft necessary observerdevice explodes burns propels projec-any transmitters use sanctioned event shall utilized supervise flying avoid hay-tile kind including limited rockmust have certified RICMA-AMA gold sticker ating models fly proximity full-scale aircrafteta explosive bombs dropped modelsfixed indicating manufactured modi- U I3 established will abide safetysmoke bombs explosive gases such atied operation 20kHz frequency separa rules flying site use will willfullyhydrogen-filled balloons ground mounted do-tion except 27MHz 53MHZ deliberately fly models careless reck- vices launching projectileThe exceptions permitted rockets flown accordance FREE FLIGHT less and/or dangerous mannerthe Safety Code National Association 4 mmodl weighs over 20 pounds will Rocketry permanently attached per 1 will launch model aircraft unless ye y insrdance paragraph 5 sec-JATO use also items authorized Airleast 100 feet downwind spectators auto- tion AMA Safety CodeShow Team use defined AST Advisory Coin-mobile parking 5 At air shows model flying demonstrations mittee document available AMA HO Note 2 will fly model unless launch area single straight line must established side model aircraft defined aircraft clear persons except mechanic off i- U flying other side spec- engine able carry human being daIs tators Only persons essential flight9 will fly model using turbojet power ax operations permitted flying side3 will em lal centrifugal flow unless have obtained ploy use adequate device line others must spectator special waiver such specific flights flight extinguish fuses model after U side Flying over spectator side line AMA President Executive Director will has completed its function i prohibited unless beyond control abide restrictions imposed such flights exceptions may permit- Note does apply ducted fan CONTROL LINE ight line requirement under special circumstances involving consideration ofmodels using piston engines electric motors 1 will subject complete control system insite conditions model size weight speedRADIO CONTROLcluding safety thong applicable inand power must jointly approved AMAspection pull test prior flying I President Executive Director maxi-1 will have completed successful radio equipmum permissible takeoff weight models 55mont ground range check before first flight of21 will assure flying area safely clear Ibsa new repaired modelof utility wires poles 6 will fly model unless identified with2 will fly model aircraft presence3 will assure flying area safely clear name address AMA number inof spectators until become qualified flier un-of non-essential part cipants spectators model Note does apply modelsless assisted experienced helperbefore perm ft ng eng ne started L 8 Model Aviation 0 SEMI/ liii 995 PO Box 4365AIgevallmhOe*om Add $2J0 Shipping & Handling Margate FL 33WI-lobby Lobby
Edition: Model Aviation - 1991/03
Page Numbers: 118, 119, 120, 121, 193, 194, 195, 196, 198
NO OCR TEXT fly scored max Matthew next Towing problems prevented Matthews maxing missed three-minute max Ii seconds Mike Keller last fly used up attempt shim under hor frontal stabilizer trailing edge fell out model dived line end round approaching Mike made lucky stab incidence gle went up againfor first chain seven flights perfect times put him flyoffs calm air pow erful liftmy favorite conditionshelped too Maxing rest flights ended day 14th place Charles problems round three Af ter Glider spun off launch cracking its tail boom dropped out Tow ing problems plagued Matthew day still found some good lift Gagliano brothers finished day 73rd 71st place respectively Mike Keller went max four- five-minute flyoff rounds scored 164 seconds six-minute round number two model Having caught boom ing thermal five-minute round first model lost somewhere mountainside Mike heard exclaim Id Cowley bird couldve made Though somewhat disappointed ended day fourth place US Wakefield entry Soko Cup reduced two Chris Pelatow skis model box hadnt found Rod loerger Dave Warren represented country field 44 Rod started off right attaining 3 Aminute max time spare dropped 13 seconds second round 30 fourth otherwise remained clean sixth-place standing days end Dave put up good flights too hindered long weak motor runs finished day 32nd place 842 seconds Probably event has advanced faster other FiC Power Craig Lippman Jim Troutman both flew tech nically sophisticated cutting edge models Craig brought aluminum-skinned fullfunction airplane beautiful bunt tran sition folding carbon prop Knowing bunt system invites danger de struction carbon props 2bsolete Jim Troutman used buntless models APC propeller latest rage ro March 1991 119 Left 1990 US Junior Free Flight World Championships team Standing L R Mike Keiler Team Manager Bob Sif lest Matthew Gag ilano Craig Lippman Jim Troutman Kneeling L R Chris Peistowaki Rod loerger Dave Warren Joel Grasmayer Right great puzzlement German airport offlclala Matthew Gaglianos retrieval beeper went off model box teams stopover Frank furt Man brother Charles look anxiously Bob Sifleet opens beeping box screwdriver quiet things down Left thermal-whipping crew preparee action awaiting Mike Keiiera four-minute flyoff Soko Cup contest Right Ed Pale towski shown launching Charles Gagilano great help Fl Glider team during Soko Cup flying Left Ill drink thati team celebrates fine day competition 100 square feet grass free fertilizer Right Mark Troutman hails Texas happily took duty official cow chmr grazing cattle source nature fertilizer wind howled around 20 mph note flag show went FlA Glider author some towing problems three US fliers managed max tary thrust Jim mind money APC prop sells $159 local hobby shop carbon prop can set back least $50 Joined amazing power Nelson engines high-tech features gave Craig Jim outstanding climbsthough still lost out thermal max Craig finished 21th place after sac rificing number model ther mal gods Jim went place 20th After days flying dinner field listened mix European American music awards ceremony gan dusk Flying Soko Cup gave us chance evaluate models ourselves contest conditions would face World Championships Sunday Monday team practice days fine-tuned trim models got know weather thermal characteristics field As wed heard other modelers weather nearly perfect Free Flight first hours morning 700 900 calm patches buoyant air Light variable thermal-feeding winds picked up until around noon pre vailing valley wind took over continued late afternoon Since pattern held ninety percent time planned practice schedule flying tactics around Round World Championships scheduled begin 700 morn ing FlA fliers max 300 FiB 330 FiC 400 Its hard succeed doing well first two rounds first usually critical still air performance often separates men boys arrived field morning 630 am give take breakfast put up still air flights possible helped substantially us least airplane trimmed achieve morning max perfecting trim best Glider Matthew Gagliano launched large thermal model flew out sight after dethermalizer failed plane drifted downwind first rode thermal beyond thousand feet drift ed straight back toward us right sun Several people watched least 25 minutes least clear evidence negligible drift site Having lost number Glider Soko Cup flyoffs Mike Keller spent time trimming out AL-37 Ultimate Dragmaster put final trim two Bradley-designed models adjusted zoom launch Ultimate Dragmaster Though born straight-towing days Dragmaster has proven forgiving towline easy trim good ther maler boot Overall kitted design excellent beginners model FlB team smooth practice ses sion Rod loerger flew both fine still air model new plane showed potential Dave Warren worked shortening mo tors run times powerful climb Chris Pelatowski father used up first day practice driving back Dubrovnik Chriss box finally ar rived promised models flew great right out box Power team however two days frustration bad luck Craig Lippman crashed two remaining three models beyond repair originally brought four lost Soko Cuptemporandy third model also crashed repaired Tom Kerr Craigs grandfather 120 Model Aviation Left Posing models US Fl B Wakefield team members L R Dave Warren Rod loerger Chris Pelatoweki Right Fl Gilder team models left right Matthew Gagliano Joel Grasmeyer Mike Keller FiB team 7th FlA boys 10th Left Struggling hold footing 30-mph winds several team members Rashan Samuel Australia dont seem too disap pointed learning FlA postponed till next day Right Part team used free time after flying canceled tour Worid War ii memorial beautiful country just south Mostar Two students university Mostar sewed guides US Fl C Power trio accepta first-place honors awards ciosing ceremo nies ieft second-piace Korean team third-puce Soviets right Americans secret Au three efties Future US teama may need earn negative-ieft-bunt launches Mike Keller some hard landings too though planes damaged badly Craigs Tom caine res cue again wanting feel left out Jim Troutman also managed nasty crash father still working repairs midnightand probably beyond spent Tuesday morning taking team pictures performing limited trim flights 100 pm processed models rub ber motors towlines returned Mostar until 700 pm opening ceremo nies Some us used extra time tour Mostars Old Town highlight fa mous bridge known Old Bridge built 1566 Turks equivalent $30 two local divers would leap bridge forty-degree water Ne retva River 65 feet below Regrouping walked school sta dium opening ceremonies held Since few other teams ar rived early Soko Cup practice first opportunity see 19 national teams Olympics-style cere mony included two musical groups speech es FM representatives abundance parading Day OneWednesdaydawned gray clouds rain first three months cold wind no weather flying Continued page 193 Tom Kerr prays earnestiy Yugosiavian thermai gods trusty thermistor side Toms uncanny nose thermic pivotai Americana succesa March 1991 121 Fl C World Champion Mike Kelier stands proudiy among individuai winners power Whens engine Mike Concentration filis faces Tom Kerr PlC fiier Craig Lippman wait Tensing iaunch Oniy 14 years oid passing thermai Tom showed gift Soviet flier maintained perfect score choosing air over over again meet through sixth round Unfortunateiy dropped over minute iast Chris Peiatowski scans field signs lift Chris flew Fl B team driven back Dubrovnik dad day before pick up iate-arriving modei An elated power team celebrates Its victory Team Manager Bob Sifiect Left right Craig Lippman Sifleet Mike Keiler World Championship trophy Jim Troutman holding team trophy Notice both fliers raise trophies ieft hand arrow shaft tubes can epoxied leading edges surfaces add stiffness Use rattail chain-saw file suitable diameter file semicircular groove both wings trailing edge surfaces leading edge groove should just large enough accommodate tube necessary tubes may telescoped using graduated diameters closely match taper wing Glue tube leading edge sur face using 5-minute epoxy sure sur face true glue curing Control sur faces can attached wing using arrowshaft hinges tape prefer tape because quicker lighter generates no stress points wing because control surfaces can re moved time repair painting Safety note extremely careful han dling trailing edges surface can very sharp will cut like razor warning Ill wager will cut yourself first time Once surfaces attached wing ready go Perhaps youll want prime paint competition Sailplane pigmented epoxy gives very good finish Priming painting very very time-consuming adds up 15% weight wing Dont unless just have elect paint few words caution Most paint solvents will eat styrene foam very quickly Dont rub solvent wing sur face dont gloss thick coats paint until surface well filled two things can happen both bad First solvent will seep through pinholes surface cause bubbles paint second solvent will dissolve thin foam trailing edge thereby causing glass skins separate Its pretty sight whole construction process takes two six hours actual labor two wing halves depending size complexity wing about one-third one-half time required other construction meth od actual cost materials about 25% cost construction uses balsa wings compare very favorably weight other construction methods much stronger stiffer set Two Meter wings weighs about 10 oz Terminator wings weigh 20 oz finished wings can also take beating lost Terminator #2 about 1000 ft according Casio altitude watch inside think control cable parted plane made vertical dive warp speed recenfly-plowed field planting itself vertically up its wing rods mud damage limited bent wing rod loosened empennage minor gravel rash Re pairs took less 30 minutes flying next day building wings other method Final hint Kitplanes magazine publication builders experimental aircraft other loo nies usually lists fair number suppliers composite materials tools full good ideas too will also get some valuable tips reading articles Model Aviation magazine Pylon Racers some great painting Free Flighters use radical construction methods everyone interested aerodynamics control conclude article Frank listed sources bagging supplies Since writing Frank has gone supplies business himself broad line includes everything needed bagging attractive prices too putting bagging seminars shop Thank Frank Weston valuable article Send large SASE list Franks sup plies also contains full line Sailplanes including Two Meter SAM-I 100-in Merlin 138-in Magic 160-in-span Termina tor am considering putting together complete list ing sources Sailplane building materials parts kits etc What think E Jr FF Champs/Grasmeyer Continued page 121 mention driving steep curving mountain roads few guardrails Still managed arrive ample time scheduled 700 am first round orga nizers forced move FlA Thurs day FiC FiB Friday Satur day Leaving field late morning stopped briefly hotel ate lunch university Mostar Apparently col lege food bad everywhere After lunch two young Yugoslavian wom en graduates university took Gaglianos Bob Sifleet Mike Keller tour renowned World War II merug 7d 4 ~ Podaogn Inc Only ce-tit led checks money ordem accepted Minimum order S12OOtortlmepackagesotd Pomerpolests3Soperoackage -I- $150 shipping handling CT residento add 75% sales tao Prices suhiect change inithout notice DEALER INQUIRIES INVITED Fm bother intorrnaljon dealer prices send SASE tousiness Card SERMO RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 THE LEADER IN COM PETITION NEW p DIA 12 13 14 15 16 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 5/a34 634 72833456 833/a4568 8/a4568/a7 94566Va77Ia 10456B/a7 106W8W 10SEW 114677Ia775/a8 ii SW 11 6EW* ll/a 67 12 4W 12 5W 12 56 13 56 14 56 15 56 16 4N 16 678 PROPELLERS 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 Ia 8 677/a 8 677/a 8 67 678 March 1991 193 NEW p FINGER SAVER INC P RESENTS Patented Safety Retainer No damaged fingers Eliminates need helper Allows complete freedom START & ADJUST plane ALONE High quality steel Lightweight Compact MUST flier Dealers invited NOW ONLY $1995 s&h FL res add 7% tax FINGER SAVER INC PO Box 1416 St Petersburg FL 33731 PRO SERIES 3 RO PYLON RACING SERIES 500 DIAPITCH 75N5/aN 8I6Ia7V,75/a8 SERIES 400C 8a/66a1777 977Va7/a W WIDE BLADE EW EXTRA WIDE N NARROW morial overlooking Mostar Delighted test English Americans guides later served unofficial interpreters Back hotel picked up few team members supporters drove eight miles south Buna underground river emerges rocky cliff shelters several species preda tory birds Moslem family lives cliffside dwelling near water-powered barley mill fish hatchery visit deepened appreciation Yugoslav culture its historical roots Day TwoThursdaybegan open ing round FlA sent chase crew downwind set up flight line Since wind still strongbetween 15 25 mphtowing would quite difficult Station ing Tom Kerr thermistor upwind launched warm lull released mod els much altitude possible flare went off promptly 700 morning Mike Keller launched first drop wind missed ther mal Matt Gagliano followed accept able time 203 turn began spate towing troubles missed maxes would continue three rounds second round Mike stayed up just over two minutes Matt luckier found first good air morning maxed Having towing problems scored 14 seconds after model spun off launch round three switched models found lift big lull maxed Flying second Matt caught some turbulent sink landed just over minute Mikes plane flew out medium lift missed max 30 seconds launched first round four maxed Mike followed missing max seven seconds Matt low launch milked small patch lift two-minute time fifth round Matts model spun half way down off zoom launch recov ered scored 113 Mike maxed excellent air chosen Tom Kerr sixth round coin flipped over Mikes flight lasted 1 mm 32 sec Matt booming max spun down 12 seconds after final dose towing trouble last round Matts model almost mimicked last flight touching ground 27 seconds Mike circled once found big thermal easily maxed switched third model old reliable Ultimate Dragmaster found enough lift fourth max much relief packed models fragments thereof back boxes Matt finished 36th just ahead 38th Mike Keller accumulated 948 seconds putting him 23rd Day ThreeFridaybegan winds gusting between 10 20 mph 700 am round first official flight Craig Lippman easily stayed up 400 max Jim Troutmans launch pushed over its back wind giving him 239 Mike Keller maxed big thermal selected Tom Kerr second round marked beginning overrun troubles Craig Jim clocked almost full second over See Dealer Cataloger Order they dont carry Square Cut Tools cal us pay cal pay shipp og U S aod Canada 407 254-0516___ 905 N flaroor City Bud Melbourne Fl 32935 Dealer/Olatrlbuter InquIries Invited ida Res Add 6% Sales Tax seven-second motor run thought timekeepers may have anticipated launch slow reaction times Doug Galbreath discusses sort problem June/July issue NFFS Digest Af ter some heated discussion two original timekeepers replaced some Yugo slav power fliers Just safe flier shortened engine run least secondeven though FAI Power ship means giving up 100 feet alti tude Craig Jim maxed re flights Putting up first flight round Mike barely missed 300 max Craig began round three exciting flight its horizontal stabilizer de tached launch model looped four times landed engine running 209 645 5535 GOLDEN GATE HOBBIES PO BOX 27001 FRESNO CAUFORNIA 93729 M/CVISA OR COD HA TORI RA DICICON I&fMSK HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 WE WANT NEW DEALERS ! HATORI 650 LONG PIPE $4350 TO DEALERS CATALOG $ 200 OR FREE WiTh ORDERS 194 Model Aviation Meter meter problems eater Accurate Robart aircraft alignment tools mean fewer failures fun c4f y Dealers Nationwide POBox 1247 SIChar/es IL 60174 708-584-7616 ROBARTMFS 1990 accurate way measure travel elevator aileron THE precision instrument designed toflaps rudder Attaches easily flying surface precisly accurately measure relationshipmeasures surface deflection Allows accurate between rotor blade flybar Allows fordifferential adjustments Fiits large small scale aircraft precise set-up collective inputs location Offers features greater accuracy expensive meters #1 meter setting proper thrust wing stabilizer incidence Readies new models accurate flight helps diagnose other models operate less best Fits wing tapered straight Fine tunes 1/8 degree SQL 5 pc Masters Set lIt 3/161/4 5/16 3/8$1698 3 pc Builders Set- 3/16 1/4 5/16$ 998 Satisfaction GuaranteedPRECISION MODEL PRODUCTS Launching next 55-second engine run Mike seven seconds short max Craigs model escaped damage reassembled some extra holddown rubberbands launched missed maxing half minute Pressed time end round Jim forced launch cold liftless wind dropped 20 seconds fourth round tear finally perfectly together fli naxed thanks again fine air chosen Tom thermistor Tom timekeepers said has nose thermic Mike Jim began fifth round same vein high-climbing maxes Craig launched third After clear overrun eight seconds plane caught good ther mal maxed Craig didnt have spare model since craft air three 10 minutes remaining round chase team asked return plane within seven minutesnot easy task strong wind three chase vehicles Astonishingly chasers back 5/2 minutes almost breaking land speed record Volkswagen van time Craig Tom quickly checked over processed fueled Craigs model round ended team fully focused now Without looking back plunged sixth round maxed flight Realizing theyd first team placings day Craig 7IiJhaII RIC 1db-Bar Glow Plugs Long Short Also.Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $169 Swanson Associates PO Box 151 7945 Wayne NJ 07470 Jim Mike knew seventh round critical Craig beautiful straight climb max Mike followed other Jim felt pressure keenly re leased perfect launch model cir cled higher higher buffeting wind Itll take Bob Sifleet predicted month come down perfect flight cap day US won FiC team champion ship Mike Keller new World Champion Jim Troutman finished just hind trophies fourth place Craig Lippman seventh double-headed victory unprece dented annals US Free Flight competition adult Junior did 1990 Junior FiC team break mold three fliers left-handed unique fly ing style brought group closer together Tom Kerrs astuteness finding lift made unbeatable Tom named honorary left-hander southpaws left Russians North Koreans waving left hands air jumping off right feet years American power fliers have throwing models right hand despite clear proof right hand wrong hand Only left hand can produce perfect negative-left-bunt launch kind brings max after max regard less conditions US FiB Wakefield team began Made U S BARSTOCK ALUMINUM SPINNERS Part NoSize 11150-B 12 TT-175B 314 11-2000 11-225B 1/4 fl-226B 114 FAI 11250-B .. 2-1/2 TT-251-B /2 FAt .. TI-275-B . 23/4 11-276-B . 23/4 FAI 00B 11-301-B3 FAI TT-325B . 3-1/4 TT-350B.. 3-1/2 11-375-B. 3-3/4 11-400-B RetailApprox PriceWeight $1395058 ox 1495095ez 159510002 169516002 1695150ox 1695190ox 2095170oz 2295220ox 249520002 269526002 269525002 3695340oz 4995470ox 599552002 6995570ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Part NoSize 11-140-A . 1/4-26 47-A . 1/4-26/7mm TT-610-A.6x 10mm TI-hO-A.7x 10mm 11-516-A .5/16-24 11-516-A 24/Bmw TT-B10-AB x 10mm 11-625-AB x 125mm TT-375-A3/6-24 11-125-A10 x 125mm RetailApprox PriceWeight 5495 .06102 495.061ox 49506302 495. 06202 495..07602 495..07602 495 076oz 495 07502 595 .ll7ox 595liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 March 1991 195 5H710 Pkg 24 $295 EAsT HINEAI THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge No gouging picking messy epoxies Simply Cut single knife slot tor hinge slide hinges e apply tew drops ot tavorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e &t t9e4 fza eaa & SIG MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 DO IT THE SAFE WAY START YOUR ENGINE FROM BEHIND THE PROPELLOR WITH THE SAFESTARTADAPTER Patent Pending Designed mount starter field box No mare reaching around spinning propellor remove glow battery adjustment carburetor face never over propellor Easy use Engage spinner starter drive washer give alight downward pressure activate starter downward start insures field box wont move Mount SAFE-START high enough match height aircraft Easy installation field boxes Regular SAFE-START up 90 engine JUMBO SAFE-START 120 engine Introductory Price IStarter out includedl Regular SAFE-START C34•95 plus $300 postage/handling Jumbo SAFE-START 4495 plus $300 postage/handling Check Money Orders No COD Make checks payable SAFE-START Mass residents add 5% ssles tax Manufactured WEAVER MACHINING SERVICE 6 Dewey St Maynard MA 01764 Telephone 508-897-9591 next day earnest effects storm passed Lift easier locate chase crew well-deserved rest Rod loerger started auspiciously lit erally perfect maxhis model touched ground exactly 330 Chris Pelatowski disappointing flight Dave Warren came closer 318 Rod maxed again second round Chriss model climbed well caine down nine seconds short took no chances Dave launched building ther mal rest us ran under model wav ing shirts whip up air worked Rod Dave maxed again round three Rod hooking first significant thermal day Chris glided just second short max fourth round shifting wind direc tions made lift difficult locate Rod missed thermal landed 210 Chris found little lift have model hit streamer pole way down Dave luckier maxing biggest thermal day Round five saw Chris repeating Rods last time 210 Dave climbed out fourth consecutive max Rod switched planes maxedhis fourth too sixth round Rod caught area sink landed 215 Chris maxed after energetic launch Dave waited five minutes thermal slowly built up wind time launched motor tired giving low climb low time team rebounded final round Rod Dave picked good air both maxed after low swooping launches delayed climbouts Flying Bob White No 22 model Chris minimal lift until thermal-whipping crew created bubble tripled altitude Dave Warren finished 12th final standings Rod loerger 14th Chris Pelatowski 28th closing ceremonies evening winners given trophy medal national anthems played flags displayed Living up its reputa tion Soviet Union claimed first place three events combined US team celebrated its FtC sweep again drove south Buna postceremony banquet feasted fresh fish under trees listened Yugo slav music group individual winners brought models pictures inspec tion exchanged team shirts traded other souvenirs modeling products After friendly good-byes pre pared leave Dubrovnik Its amazing common interest model airplanes breaks down cultural linguistic barriers farewell rituals repeated US team members separated Kennedy International Airport once-in-a-lifetime experience flying Junior World Champs took years preparation None us US team mem bers could have accomplished alone wish thank Joe Kresnak Karl Spielmaker Bill Shailor Jim Bradley Chuck Markos Bob Sifleet con tributed special way making dream reality United States team wishes ac knowledge following AMA providing team uniforms patches hinds well handling necessary paperwork FlA day 196 Model Aviation ADVANCES AEROCuLL 05 Wwrr roe NFORMATO5 PRODUCTS R isousirt 15V11E0 Poe AEIVArLEODAERO05OEIJCTS ST 500 365-C 555573 75003 014 524-3940 Obechi Large Sheets Please call 415 462-0672 send SASE 850 Concord Street Pleasanton CA 94566 have pt [ rand 7 ngFlver. Als 1990 Eastern Soaring Leagsue Season Championship Win makes magic competition look like voo doo aerodynamics magic 8-year-old Windsong design can still defeat com petitions newest finest just imagine what Lovesong brand new Saber can Saber being called Wlndsong Nineties high praise indeed Al White has just shown Send 2 stamps new Catalog showing complete line Multichannel Gliders Also Second Wind/90-2 nesusletter now available Second Wind $1 per issue $2 per year USA INNOVATIVE MODEL DF SUPER FAST GRIPS TIGHT WH0E PTREftS DONT REMOVA8LEiflThOtJTATMcE-SUPER ADHESIVE ToI Clear PUMmDQS THI WORK US8 BY THE PROS Simple Use Part tie MixIng Y A134IESYES Ccl Art Johnson See RC Modeler April 89 Holds Canopies ANY Material Inokaing PlasflcCoesrlngs tin hAs AThIU8 Lock I6 No Fogging Clear Parts Better SIlicone Dries lIttOfl TOn85 Masters Whiner US Heidi Fliuwalls Fiberglass 1/4 Thne Scale Team eAJIows Servos Mounted Setter C/Ks Attaching Norm Gover EdItor Scale RV Modeler Anywhere Wllbout Fear CanopIes PlastIc Api FrUIt Costello CalUfilnIst Flying Modets Totally Removable WIlliout Flbergtass Parts y Southeastern ContributorCausing Danuge Scale RiC Modeler Masters CompetItor Mlhe Has Superstar Helicopter Ptlot PFM Available Hobby Retailer NoL Call laevsllve Medal Pieubutu Toll Free 800 780-3190 Ordert Dealer Inquiries Wanted would have frozen team jackets Tom Kerr beautiful lift se- modelers learned about other cultures lected Doug Galbreath printing teamand learned new pride own country cards Bob Sifleet outstanding work asThe program offers young people ulti mate incentive seriously pursue modeling Bob Bill Hunter Satellite City forTeam Manager Continuing support Junior Free donating Hot StuffId like encourage AMA NFFSFlight team investment future Jim Bradley Bradley Model Productsand individual modelers nationwide fullymodel aviation Junior participation inter national Control Line Radio Control carbon fiber FlA accessoriessupport Junior Free Flight World Chain-competition would benefit US modelBetty Kerr beautiful knitted teampionships program Participating pro- sweatersgram has changed lives Weve growning community well II OFFICIAL AMA SAFETY CODEJanuary 1 1991 Model Flying Must Accordance Code Order AMA Liability Protection Apply GENERALflown indoors3 will perform initial turn after takeoff away 1 will fly model aircraft competition or7 will operate models met al-bladed pro-from pit spectator areas will U Iin presence spectators until has beenpellers gaseous boosts gasesafter fly over pit spectator areas unless beproven airworthy having previ-other air normal atmospheric pressure en-yand control ously successfully flight testedter internal combustion engines nor will I4 will operate model using radio control operate models extremely hazardous fuelsfrequencies currently allowed Federal 2 will fly model higher approxi- ch containing tetranitromethane orCommunications Commission Only properly Ii Imately 400 feet within 3 miles airport with-drazine out notifying airport operator will give right-censed Amateurs authorized operate equipof-way avoid flying proximity full-8 will operate models pyrotechnics anyment Amateur Band frequencies Further scale aircraft necessary observerdevice explodes burns propels projec-any transmitters use sanctioned event shall utilized supervise flying avoid hay-tile kind including limited rockmust have certified RICMA-AMA gold sticker ating models fly proximity full-scale aircrafteta explosive bombs dropped modelsfixed indicating manufactured modi- U I3 established will abide safetysmoke bombs explosive gases such atied operation 20kHz frequency separa rules flying site use will willfullyhydrogen-filled balloons ground mounted do-tion except 27MHz 53MHZ deliberately fly models careless reck- vices launching projectileThe exceptions permitted rockets flown accordance FREE FLIGHT less and/or dangerous mannerthe Safety Code National Association 4 mmodl weighs over 20 pounds will Rocketry permanently attached per 1 will launch model aircraft unless ye y insrdance paragraph 5 sec-JATO use also items authorized Airleast 100 feet downwind spectators auto- tion AMA Safety CodeShow Team use defined AST Advisory Coin-mobile parking 5 At air shows model flying demonstrations mittee document available AMA HO Note 2 will fly model unless launch area single straight line must established side model aircraft defined aircraft clear persons except mechanic off i- U flying other side spec- engine able carry human being daIs tators Only persons essential flight9 will fly model using turbojet power ax operations permitted flying side3 will em lal centrifugal flow unless have obtained ploy use adequate device line others must spectator special waiver such specific flights flight extinguish fuses model after U side Flying over spectator side line AMA President Executive Director will has completed its function i prohibited unless beyond control abide restrictions imposed such flights exceptions may permit- Note does apply ducted fan CONTROL LINE ight line requirement under special circumstances involving consideration ofmodels using piston engines electric motors 1 will subject complete control system insite conditions model size weight speedRADIO CONTROLcluding safety thong applicable inand power must jointly approved AMAspection pull test prior flying I President Executive Director maxi-1 will have completed successful radio equipmum permissible takeoff weight models 55mont ground range check before first flight of21 will assure flying area safely clear Ibsa new repaired modelof utility wires poles 6 will fly model unless identified with2 will fly model aircraft presence3 will assure flying area safely clear name address AMA number inof spectators until become qualified flier un-of non-essential part cipants spectators model Note does apply modelsless assisted experienced helperbefore perm ft ng eng ne started L 8 Model Aviation 0 SEMI/ liii 995 PO Box 4365AIgevallmhOe*om Add $2J0 Shipping & Handling Margate FL 33WI-lobby Lobby
Edition: Model Aviation - 1991/03
Page Numbers: 118, 119, 120, 121, 193, 194, 195, 196, 198
NO OCR TEXT fly scored max Matthew next Towing problems prevented Matthews maxing missed three-minute max Ii seconds Mike Keller last fly used up attempt shim under hor frontal stabilizer trailing edge fell out model dived line end round approaching Mike made lucky stab incidence gle went up againfor first chain seven flights perfect times put him flyoffs calm air pow erful liftmy favorite conditionshelped too Maxing rest flights ended day 14th place Charles problems round three Af ter Glider spun off launch cracking its tail boom dropped out Tow ing problems plagued Matthew day still found some good lift Gagliano brothers finished day 73rd 71st place respectively Mike Keller went max four- five-minute flyoff rounds scored 164 seconds six-minute round number two model Having caught boom ing thermal five-minute round first model lost somewhere mountainside Mike heard exclaim Id Cowley bird couldve made Though somewhat disappointed ended day fourth place US Wakefield entry Soko Cup reduced two Chris Pelatow skis model box hadnt found Rod loerger Dave Warren represented country field 44 Rod started off right attaining 3 Aminute max time spare dropped 13 seconds second round 30 fourth otherwise remained clean sixth-place standing days end Dave put up good flights too hindered long weak motor runs finished day 32nd place 842 seconds Probably event has advanced faster other FiC Power Craig Lippman Jim Troutman both flew tech nically sophisticated cutting edge models Craig brought aluminum-skinned fullfunction airplane beautiful bunt tran sition folding carbon prop Knowing bunt system invites danger de struction carbon props 2bsolete Jim Troutman used buntless models APC propeller latest rage ro March 1991 119 Left 1990 US Junior Free Flight World Championships team Standing L R Mike Keiler Team Manager Bob Sif lest Matthew Gag ilano Craig Lippman Jim Troutman Kneeling L R Chris Peistowaki Rod loerger Dave Warren Joel Grasmayer Right great puzzlement German airport offlclala Matthew Gaglianos retrieval beeper went off model box teams stopover Frank furt Man brother Charles look anxiously Bob Sifleet opens beeping box screwdriver quiet things down Left thermal-whipping crew preparee action awaiting Mike Keiiera four-minute flyoff Soko Cup contest Right Ed Pale towski shown launching Charles Gagilano great help Fl Glider team during Soko Cup flying Left Ill drink thati team celebrates fine day competition 100 square feet grass free fertilizer Right Mark Troutman hails Texas happily took duty official cow chmr grazing cattle source nature fertilizer wind howled around 20 mph note flag show went FlA Glider author some towing problems three US fliers managed max tary thrust Jim mind money APC prop sells $159 local hobby shop carbon prop can set back least $50 Joined amazing power Nelson engines high-tech features gave Craig Jim outstanding climbsthough still lost out thermal max Craig finished 21th place after sac rificing number model ther mal gods Jim went place 20th After days flying dinner field listened mix European American music awards ceremony gan dusk Flying Soko Cup gave us chance evaluate models ourselves contest conditions would face World Championships Sunday Monday team practice days fine-tuned trim models got know weather thermal characteristics field As wed heard other modelers weather nearly perfect Free Flight first hours morning 700 900 calm patches buoyant air Light variable thermal-feeding winds picked up until around noon pre vailing valley wind took over continued late afternoon Since pattern held ninety percent time planned practice schedule flying tactics around Round World Championships scheduled begin 700 morn ing FlA fliers max 300 FiB 330 FiC 400 Its hard succeed doing well first two rounds first usually critical still air performance often separates men boys arrived field morning 630 am give take breakfast put up still air flights possible helped substantially us least airplane trimmed achieve morning max perfecting trim best Glider Matthew Gagliano launched large thermal model flew out sight after dethermalizer failed plane drifted downwind first rode thermal beyond thousand feet drift ed straight back toward us right sun Several people watched least 25 minutes least clear evidence negligible drift site Having lost number Glider Soko Cup flyoffs Mike Keller spent time trimming out AL-37 Ultimate Dragmaster put final trim two Bradley-designed models adjusted zoom launch Ultimate Dragmaster Though born straight-towing days Dragmaster has proven forgiving towline easy trim good ther maler boot Overall kitted design excellent beginners model FlB team smooth practice ses sion Rod loerger flew both fine still air model new plane showed potential Dave Warren worked shortening mo tors run times powerful climb Chris Pelatowski father used up first day practice driving back Dubrovnik Chriss box finally ar rived promised models flew great right out box Power team however two days frustration bad luck Craig Lippman crashed two remaining three models beyond repair originally brought four lost Soko Cuptemporandy third model also crashed repaired Tom Kerr Craigs grandfather 120 Model Aviation Left Posing models US Fl B Wakefield team members L R Dave Warren Rod loerger Chris Pelatoweki Right Fl Gilder team models left right Matthew Gagliano Joel Grasmeyer Mike Keller FiB team 7th FlA boys 10th Left Struggling hold footing 30-mph winds several team members Rashan Samuel Australia dont seem too disap pointed learning FlA postponed till next day Right Part team used free time after flying canceled tour Worid War ii memorial beautiful country just south Mostar Two students university Mostar sewed guides US Fl C Power trio accepta first-place honors awards ciosing ceremo nies ieft second-piace Korean team third-puce Soviets right Americans secret Au three efties Future US teama may need earn negative-ieft-bunt launches Mike Keller some hard landings too though planes damaged badly Craigs Tom caine res cue again wanting feel left out Jim Troutman also managed nasty crash father still working repairs midnightand probably beyond spent Tuesday morning taking team pictures performing limited trim flights 100 pm processed models rub ber motors towlines returned Mostar until 700 pm opening ceremo nies Some us used extra time tour Mostars Old Town highlight fa mous bridge known Old Bridge built 1566 Turks equivalent $30 two local divers would leap bridge forty-degree water Ne retva River 65 feet below Regrouping walked school sta dium opening ceremonies held Since few other teams ar rived early Soko Cup practice first opportunity see 19 national teams Olympics-style cere mony included two musical groups speech es FM representatives abundance parading Day OneWednesdaydawned gray clouds rain first three months cold wind no weather flying Continued page 193 Tom Kerr prays earnestiy Yugosiavian thermai gods trusty thermistor side Toms uncanny nose thermic pivotai Americana succesa March 1991 121 Fl C World Champion Mike Kelier stands proudiy among individuai winners power Whens engine Mike Concentration filis faces Tom Kerr PlC fiier Craig Lippman wait Tensing iaunch Oniy 14 years oid passing thermai Tom showed gift Soviet flier maintained perfect score choosing air over over again meet through sixth round Unfortunateiy dropped over minute iast Chris Peiatowski scans field signs lift Chris flew Fl B team driven back Dubrovnik dad day before pick up iate-arriving modei An elated power team celebrates Its victory Team Manager Bob Sifiect Left right Craig Lippman Sifleet Mike Keiler World Championship trophy Jim Troutman holding team trophy Notice both fliers raise trophies ieft hand arrow shaft tubes can epoxied leading edges surfaces add stiffness Use rattail chain-saw file suitable diameter file semicircular groove both wings trailing edge surfaces leading edge groove should just large enough accommodate tube necessary tubes may telescoped using graduated diameters closely match taper wing Glue tube leading edge sur face using 5-minute epoxy sure sur face true glue curing Control sur faces can attached wing using arrowshaft hinges tape prefer tape because quicker lighter generates no stress points wing because control surfaces can re moved time repair painting Safety note extremely careful han dling trailing edges surface can very sharp will cut like razor warning Ill wager will cut yourself first time Once surfaces attached wing ready go Perhaps youll want prime paint competition Sailplane pigmented epoxy gives very good finish Priming painting very very time-consuming adds up 15% weight wing Dont unless just have elect paint few words caution Most paint solvents will eat styrene foam very quickly Dont rub solvent wing sur face dont gloss thick coats paint until surface well filled two things can happen both bad First solvent will seep through pinholes surface cause bubbles paint second solvent will dissolve thin foam trailing edge thereby causing glass skins separate Its pretty sight whole construction process takes two six hours actual labor two wing halves depending size complexity wing about one-third one-half time required other construction meth od actual cost materials about 25% cost construction uses balsa wings compare very favorably weight other construction methods much stronger stiffer set Two Meter wings weighs about 10 oz Terminator wings weigh 20 oz finished wings can also take beating lost Terminator #2 about 1000 ft according Casio altitude watch inside think control cable parted plane made vertical dive warp speed recenfly-plowed field planting itself vertically up its wing rods mud damage limited bent wing rod loosened empennage minor gravel rash Re pairs took less 30 minutes flying next day building wings other method Final hint Kitplanes magazine publication builders experimental aircraft other loo nies usually lists fair number suppliers composite materials tools full good ideas too will also get some valuable tips reading articles Model Aviation magazine Pylon Racers some great painting Free Flighters use radical construction methods everyone interested aerodynamics control conclude article Frank listed sources bagging supplies Since writing Frank has gone supplies business himself broad line includes everything needed bagging attractive prices too putting bagging seminars shop Thank Frank Weston valuable article Send large SASE list Franks sup plies also contains full line Sailplanes including Two Meter SAM-I 100-in Merlin 138-in Magic 160-in-span Termina tor am considering putting together complete list ing sources Sailplane building materials parts kits etc What think E Jr FF Champs/Grasmeyer Continued page 121 mention driving steep curving mountain roads few guardrails Still managed arrive ample time scheduled 700 am first round orga nizers forced move FlA Thurs day FiC FiB Friday Satur day Leaving field late morning stopped briefly hotel ate lunch university Mostar Apparently col lege food bad everywhere After lunch two young Yugoslavian wom en graduates university took Gaglianos Bob Sifleet Mike Keller tour renowned World War II merug 7d 4 ~ Podaogn Inc Only ce-tit led checks money ordem accepted Minimum order S12OOtortlmepackagesotd Pomerpolests3Soperoackage -I- $150 shipping handling CT residento add 75% sales tao Prices suhiect change inithout notice DEALER INQUIRIES INVITED Fm bother intorrnaljon dealer prices send SASE tousiness Card SERMO RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 THE LEADER IN COM PETITION NEW p DIA 12 13 14 15 16 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 5/a34 634 72833456 833/a4568 8/a4568/a7 94566Va77Ia 10456B/a7 106W8W 10SEW 114677Ia775/a8 ii SW 11 6EW* ll/a 67 12 4W 12 5W 12 56 13 56 14 56 15 56 16 4N 16 678 PROPELLERS 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 Ia 8 677/a 8 677/a 8 67 678 March 1991 193 NEW p FINGER SAVER INC P RESENTS Patented Safety Retainer No damaged fingers Eliminates need helper Allows complete freedom START & ADJUST plane ALONE High quality steel Lightweight Compact MUST flier Dealers invited NOW ONLY $1995 s&h FL res add 7% tax FINGER SAVER INC PO Box 1416 St Petersburg FL 33731 PRO SERIES 3 RO PYLON RACING SERIES 500 DIAPITCH 75N5/aN 8I6Ia7V,75/a8 SERIES 400C 8a/66a1777 977Va7/a W WIDE BLADE EW EXTRA WIDE N NARROW morial overlooking Mostar Delighted test English Americans guides later served unofficial interpreters Back hotel picked up few team members supporters drove eight miles south Buna underground river emerges rocky cliff shelters several species preda tory birds Moslem family lives cliffside dwelling near water-powered barley mill fish hatchery visit deepened appreciation Yugoslav culture its historical roots Day TwoThursdaybegan open ing round FlA sent chase crew downwind set up flight line Since wind still strongbetween 15 25 mphtowing would quite difficult Station ing Tom Kerr thermistor upwind launched warm lull released mod els much altitude possible flare went off promptly 700 morning Mike Keller launched first drop wind missed ther mal Matt Gagliano followed accept able time 203 turn began spate towing troubles missed maxes would continue three rounds second round Mike stayed up just over two minutes Matt luckier found first good air morning maxed Having towing problems scored 14 seconds after model spun off launch round three switched models found lift big lull maxed Flying second Matt caught some turbulent sink landed just over minute Mikes plane flew out medium lift missed max 30 seconds launched first round four maxed Mike followed missing max seven seconds Matt low launch milked small patch lift two-minute time fifth round Matts model spun half way down off zoom launch recov ered scored 113 Mike maxed excellent air chosen Tom Kerr sixth round coin flipped over Mikes flight lasted 1 mm 32 sec Matt booming max spun down 12 seconds after final dose towing trouble last round Matts model almost mimicked last flight touching ground 27 seconds Mike circled once found big thermal easily maxed switched third model old reliable Ultimate Dragmaster found enough lift fourth max much relief packed models fragments thereof back boxes Matt finished 36th just ahead 38th Mike Keller accumulated 948 seconds putting him 23rd Day ThreeFridaybegan winds gusting between 10 20 mph 700 am round first official flight Craig Lippman easily stayed up 400 max Jim Troutmans launch pushed over its back wind giving him 239 Mike Keller maxed big thermal selected Tom Kerr second round marked beginning overrun troubles Craig Jim clocked almost full second over See Dealer Cataloger Order they dont carry Square Cut Tools cal us pay cal pay shipp og U S aod Canada 407 254-0516___ 905 N flaroor City Bud Melbourne Fl 32935 Dealer/Olatrlbuter InquIries Invited ida Res Add 6% Sales Tax seven-second motor run thought timekeepers may have anticipated launch slow reaction times Doug Galbreath discusses sort problem June/July issue NFFS Digest Af ter some heated discussion two original timekeepers replaced some Yugo slav power fliers Just safe flier shortened engine run least secondeven though FAI Power ship means giving up 100 feet alti tude Craig Jim maxed re flights Putting up first flight round Mike barely missed 300 max Craig began round three exciting flight its horizontal stabilizer de tached launch model looped four times landed engine running 209 645 5535 GOLDEN GATE HOBBIES PO BOX 27001 FRESNO CAUFORNIA 93729 M/CVISA OR COD HA TORI RA DICICON I&fMSK HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 WE WANT NEW DEALERS ! HATORI 650 LONG PIPE $4350 TO DEALERS CATALOG $ 200 OR FREE WiTh ORDERS 194 Model Aviation Meter meter problems eater Accurate Robart aircraft alignment tools mean fewer failures fun c4f y Dealers Nationwide POBox 1247 SIChar/es IL 60174 708-584-7616 ROBARTMFS 1990 accurate way measure travel elevator aileron THE precision instrument designed toflaps rudder Attaches easily flying surface precisly accurately measure relationshipmeasures surface deflection Allows accurate between rotor blade flybar Allows fordifferential adjustments Fiits large small scale aircraft precise set-up collective inputs location Offers features greater accuracy expensive meters #1 meter setting proper thrust wing stabilizer incidence Readies new models accurate flight helps diagnose other models operate less best Fits wing tapered straight Fine tunes 1/8 degree SQL 5 pc Masters Set lIt 3/161/4 5/16 3/8$1698 3 pc Builders Set- 3/16 1/4 5/16$ 998 Satisfaction GuaranteedPRECISION MODEL PRODUCTS Launching next 55-second engine run Mike seven seconds short max Craigs model escaped damage reassembled some extra holddown rubberbands launched missed maxing half minute Pressed time end round Jim forced launch cold liftless wind dropped 20 seconds fourth round tear finally perfectly together fli naxed thanks again fine air chosen Tom thermistor Tom timekeepers said has nose thermic Mike Jim began fifth round same vein high-climbing maxes Craig launched third After clear overrun eight seconds plane caught good ther mal maxed Craig didnt have spare model since craft air three 10 minutes remaining round chase team asked return plane within seven minutesnot easy task strong wind three chase vehicles Astonishingly chasers back 5/2 minutes almost breaking land speed record Volkswagen van time Craig Tom quickly checked over processed fueled Craigs model round ended team fully focused now Without looking back plunged sixth round maxed flight Realizing theyd first team placings day Craig 7IiJhaII RIC 1db-Bar Glow Plugs Long Short Also.Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $169 Swanson Associates PO Box 151 7945 Wayne NJ 07470 Jim Mike knew seventh round critical Craig beautiful straight climb max Mike followed other Jim felt pressure keenly re leased perfect launch model cir cled higher higher buffeting wind Itll take Bob Sifleet predicted month come down perfect flight cap day US won FiC team champion ship Mike Keller new World Champion Jim Troutman finished just hind trophies fourth place Craig Lippman seventh double-headed victory unprece dented annals US Free Flight competition adult Junior did 1990 Junior FiC team break mold three fliers left-handed unique fly ing style brought group closer together Tom Kerrs astuteness finding lift made unbeatable Tom named honorary left-hander southpaws left Russians North Koreans waving left hands air jumping off right feet years American power fliers have throwing models right hand despite clear proof right hand wrong hand Only left hand can produce perfect negative-left-bunt launch kind brings max after max regard less conditions US FiB Wakefield team began Made U S BARSTOCK ALUMINUM SPINNERS Part NoSize 11150-B 12 TT-175B 314 11-2000 11-225B 1/4 fl-226B 114 FAI 11250-B .. 2-1/2 TT-251-B /2 FAt .. TI-275-B . 23/4 11-276-B . 23/4 FAI 00B 11-301-B3 FAI TT-325B . 3-1/4 TT-350B.. 3-1/2 11-375-B. 3-3/4 11-400-B RetailApprox PriceWeight $1395058 ox 1495095ez 159510002 169516002 1695150ox 1695190ox 2095170oz 2295220ox 249520002 269526002 269525002 3695340oz 4995470ox 599552002 6995570ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Part NoSize 11-140-A . 1/4-26 47-A . 1/4-26/7mm TT-610-A.6x 10mm TI-hO-A.7x 10mm 11-516-A .5/16-24 11-516-A 24/Bmw TT-B10-AB x 10mm 11-625-AB x 125mm TT-375-A3/6-24 11-125-A10 x 125mm RetailApprox PriceWeight 5495 .06102 495.061ox 49506302 495. 06202 495..07602 495..07602 495 076oz 495 07502 595 .ll7ox 595liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 March 1991 195 5H710 Pkg 24 $295 EAsT HINEAI THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge No gouging picking messy epoxies Simply Cut single knife slot tor hinge slide hinges e apply tew drops ot tavorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e &t t9e4 fza eaa & SIG MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 DO IT THE SAFE WAY START YOUR ENGINE FROM BEHIND THE PROPELLOR WITH THE SAFESTARTADAPTER Patent Pending Designed mount starter field box No mare reaching around spinning propellor remove glow battery adjustment carburetor face never over propellor Easy use Engage spinner starter drive washer give alight downward pressure activate starter downward start insures field box wont move Mount SAFE-START high enough match height aircraft Easy installation field boxes Regular SAFE-START up 90 engine JUMBO SAFE-START 120 engine Introductory Price IStarter out includedl Regular SAFE-START C34•95 plus $300 postage/handling Jumbo SAFE-START 4495 plus $300 postage/handling Check Money Orders No COD Make checks payable SAFE-START Mass residents add 5% ssles tax Manufactured WEAVER MACHINING SERVICE 6 Dewey St Maynard MA 01764 Telephone 508-897-9591 next day earnest effects storm passed Lift easier locate chase crew well-deserved rest Rod loerger started auspiciously lit erally perfect maxhis model touched ground exactly 330 Chris Pelatowski disappointing flight Dave Warren came closer 318 Rod maxed again second round Chriss model climbed well caine down nine seconds short took no chances Dave launched building ther mal rest us ran under model wav ing shirts whip up air worked Rod Dave maxed again round three Rod hooking first significant thermal day Chris glided just second short max fourth round shifting wind direc tions made lift difficult locate Rod missed thermal landed 210 Chris found little lift have model hit streamer pole way down Dave luckier maxing biggest thermal day Round five saw Chris repeating Rods last time 210 Dave climbed out fourth consecutive max Rod switched planes maxedhis fourth too sixth round Rod caught area sink landed 215 Chris maxed after energetic launch Dave waited five minutes thermal slowly built up wind time launched motor tired giving low climb low time team rebounded final round Rod Dave picked good air both maxed after low swooping launches delayed climbouts Flying Bob White No 22 model Chris minimal lift until thermal-whipping crew created bubble tripled altitude Dave Warren finished 12th final standings Rod loerger 14th Chris Pelatowski 28th closing ceremonies evening winners given trophy medal national anthems played flags displayed Living up its reputa tion Soviet Union claimed first place three events combined US team celebrated its FtC sweep again drove south Buna postceremony banquet feasted fresh fish under trees listened Yugo slav music group individual winners brought models pictures inspec tion exchanged team shirts traded other souvenirs modeling products After friendly good-byes pre pared leave Dubrovnik Its amazing common interest model airplanes breaks down cultural linguistic barriers farewell rituals repeated US team members separated Kennedy International Airport once-in-a-lifetime experience flying Junior World Champs took years preparation None us US team mem bers could have accomplished alone wish thank Joe Kresnak Karl Spielmaker Bill Shailor Jim Bradley Chuck Markos Bob Sifleet con tributed special way making dream reality United States team wishes ac knowledge following AMA providing team uniforms patches hinds well handling necessary paperwork FlA day 196 Model Aviation ADVANCES AEROCuLL 05 Wwrr roe NFORMATO5 PRODUCTS R isousirt 15V11E0 Poe AEIVArLEODAERO05OEIJCTS ST 500 365-C 555573 75003 014 524-3940 Obechi Large Sheets Please call 415 462-0672 send SASE 850 Concord Street Pleasanton CA 94566 have pt [ rand 7 ngFlver. Als 1990 Eastern Soaring Leagsue Season Championship Win makes magic competition look like voo doo aerodynamics magic 8-year-old Windsong design can still defeat com petitions newest finest just imagine what Lovesong brand new Saber can Saber being called Wlndsong Nineties high praise indeed Al White has just shown Send 2 stamps new Catalog showing complete line Multichannel Gliders Also Second Wind/90-2 nesusletter now available Second Wind $1 per issue $2 per year USA INNOVATIVE MODEL DF SUPER FAST GRIPS TIGHT WH0E PTREftS DONT REMOVA8LEiflThOtJTATMcE-SUPER ADHESIVE ToI Clear PUMmDQS THI WORK US8 BY THE PROS Simple Use Part tie MixIng Y A134IESYES Ccl Art Johnson See RC Modeler April 89 Holds Canopies ANY Material Inokaing PlasflcCoesrlngs tin hAs AThIU8 Lock I6 No Fogging Clear Parts Better SIlicone Dries lIttOfl TOn85 Masters Whiner US Heidi Fliuwalls Fiberglass 1/4 Thne Scale Team eAJIows Servos Mounted Setter C/Ks Attaching Norm Gover EdItor Scale RV Modeler Anywhere Wllbout Fear CanopIes PlastIc Api FrUIt Costello CalUfilnIst Flying Modets Totally Removable WIlliout Flbergtass Parts y Southeastern ContributorCausing Danuge Scale RiC Modeler Masters CompetItor Mlhe Has Superstar Helicopter Ptlot PFM Available Hobby Retailer NoL Call laevsllve Medal Pieubutu Toll Free 800 780-3190 Ordert Dealer Inquiries Wanted would have frozen team jackets Tom Kerr beautiful lift se- modelers learned about other cultures lected Doug Galbreath printing teamand learned new pride own country cards Bob Sifleet outstanding work asThe program offers young people ulti mate incentive seriously pursue modeling Bob Bill Hunter Satellite City forTeam Manager Continuing support Junior Free donating Hot StuffId like encourage AMA NFFSFlight team investment future Jim Bradley Bradley Model Productsand individual modelers nationwide fullymodel aviation Junior participation inter national Control Line Radio Control carbon fiber FlA accessoriessupport Junior Free Flight World Chain-competition would benefit US modelBetty Kerr beautiful knitted teampionships program Participating pro- sweatersgram has changed lives Weve growning community well II OFFICIAL AMA SAFETY CODEJanuary 1 1991 Model Flying Must Accordance Code Order AMA Liability Protection Apply GENERALflown indoors3 will perform initial turn after takeoff away 1 will fly model aircraft competition or7 will operate models met al-bladed pro-from pit spectator areas will U Iin presence spectators until has beenpellers gaseous boosts gasesafter fly over pit spectator areas unless beproven airworthy having previ-other air normal atmospheric pressure en-yand control ously successfully flight testedter internal combustion engines nor will I4 will operate model using radio control operate models extremely hazardous fuelsfrequencies currently allowed Federal 2 will fly model higher approxi- ch containing tetranitromethane orCommunications Commission Only properly Ii Imately 400 feet within 3 miles airport with-drazine out notifying airport operator will give right-censed Amateurs authorized operate equipof-way avoid flying proximity full-8 will operate models pyrotechnics anyment Amateur Band frequencies Further scale aircraft necessary observerdevice explodes burns propels projec-any transmitters use sanctioned event shall utilized supervise flying avoid hay-tile kind including limited rockmust have certified RICMA-AMA gold sticker ating models fly proximity full-scale aircrafteta explosive bombs dropped modelsfixed indicating manufactured modi- U I3 established will abide safetysmoke bombs explosive gases such atied operation 20kHz frequency separa rules flying site use will willfullyhydrogen-filled balloons ground mounted do-tion except 27MHz 53MHZ deliberately fly models careless reck- vices launching projectileThe exceptions permitted rockets flown accordance FREE FLIGHT less and/or dangerous mannerthe Safety Code National Association 4 mmodl weighs over 20 pounds will Rocketry permanently attached per 1 will launch model aircraft unless ye y insrdance paragraph 5 sec-JATO use also items authorized Airleast 100 feet downwind spectators auto- tion AMA Safety CodeShow Team use defined AST Advisory Coin-mobile parking 5 At air shows model flying demonstrations mittee document available AMA HO Note 2 will fly model unless launch area single straight line must established side model aircraft defined aircraft clear persons except mechanic off i- U flying other side spec- engine able carry human being daIs tators Only persons essential flight9 will fly model using turbojet power ax operations permitted flying side3 will em lal centrifugal flow unless have obtained ploy use adequate device line others must spectator special waiver such specific flights flight extinguish fuses model after U side Flying over spectator side line AMA President Executive Director will has completed its function i prohibited unless beyond control abide restrictions imposed such flights exceptions may permit- Note does apply ducted fan CONTROL LINE ight line requirement under special circumstances involving consideration ofmodels using piston engines electric motors 1 will subject complete control system insite conditions model size weight speedRADIO CONTROLcluding safety thong applicable inand power must jointly approved AMAspection pull test prior flying I President Executive Director maxi-1 will have completed successful radio equipmum permissible takeoff weight models 55mont ground range check before first flight of21 will assure flying area safely clear Ibsa new repaired modelof utility wires poles 6 will fly model unless identified with2 will fly model aircraft presence3 will assure flying area safely clear name address AMA number inof spectators until become qualified flier un-of non-essential part cipants spectators model Note does apply modelsless assisted experienced helperbefore perm ft ng eng ne started L 8 Model Aviation 0 SEMI/ liii 995 PO Box 4365AIgevallmhOe*om Add $2J0 Shipping & Handling Margate FL 33WI-lobby Lobby
Edition: Model Aviation - 1991/03
Page Numbers: 118, 119, 120, 121, 193, 194, 195, 196, 198
NO OCR TEXT fly scored max Matthew next Towing problems prevented Matthews maxing missed three-minute max Ii seconds Mike Keller last fly used up attempt shim under hor frontal stabilizer trailing edge fell out model dived line end round approaching Mike made lucky stab incidence gle went up againfor first chain seven flights perfect times put him flyoffs calm air pow erful liftmy favorite conditionshelped too Maxing rest flights ended day 14th place Charles problems round three Af ter Glider spun off launch cracking its tail boom dropped out Tow ing problems plagued Matthew day still found some good lift Gagliano brothers finished day 73rd 71st place respectively Mike Keller went max four- five-minute flyoff rounds scored 164 seconds six-minute round number two model Having caught boom ing thermal five-minute round first model lost somewhere mountainside Mike heard exclaim Id Cowley bird couldve made Though somewhat disappointed ended day fourth place US Wakefield entry Soko Cup reduced two Chris Pelatow skis model box hadnt found Rod loerger Dave Warren represented country field 44 Rod started off right attaining 3 Aminute max time spare dropped 13 seconds second round 30 fourth otherwise remained clean sixth-place standing days end Dave put up good flights too hindered long weak motor runs finished day 32nd place 842 seconds Probably event has advanced faster other FiC Power Craig Lippman Jim Troutman both flew tech nically sophisticated cutting edge models Craig brought aluminum-skinned fullfunction airplane beautiful bunt tran sition folding carbon prop Knowing bunt system invites danger de struction carbon props 2bsolete Jim Troutman used buntless models APC propeller latest rage ro March 1991 119 Left 1990 US Junior Free Flight World Championships team Standing L R Mike Keiler Team Manager Bob Sif lest Matthew Gag ilano Craig Lippman Jim Troutman Kneeling L R Chris Peistowaki Rod loerger Dave Warren Joel Grasmayer Right great puzzlement German airport offlclala Matthew Gaglianos retrieval beeper went off model box teams stopover Frank furt Man brother Charles look anxiously Bob Sifleet opens beeping box screwdriver quiet things down Left thermal-whipping crew preparee action awaiting Mike Keiiera four-minute flyoff Soko Cup contest Right Ed Pale towski shown launching Charles Gagilano great help Fl Glider team during Soko Cup flying Left Ill drink thati team celebrates fine day competition 100 square feet grass free fertilizer Right Mark Troutman hails Texas happily took duty official cow chmr grazing cattle source nature fertilizer wind howled around 20 mph note flag show went FlA Glider author some towing problems three US fliers managed max tary thrust Jim mind money APC prop sells $159 local hobby shop carbon prop can set back least $50 Joined amazing power Nelson engines high-tech features gave Craig Jim outstanding climbsthough still lost out thermal max Craig finished 21th place after sac rificing number model ther mal gods Jim went place 20th After days flying dinner field listened mix European American music awards ceremony gan dusk Flying Soko Cup gave us chance evaluate models ourselves contest conditions would face World Championships Sunday Monday team practice days fine-tuned trim models got know weather thermal characteristics field As wed heard other modelers weather nearly perfect Free Flight first hours morning 700 900 calm patches buoyant air Light variable thermal-feeding winds picked up until around noon pre vailing valley wind took over continued late afternoon Since pattern held ninety percent time planned practice schedule flying tactics around Round World Championships scheduled begin 700 morn ing FlA fliers max 300 FiB 330 FiC 400 Its hard succeed doing well first two rounds first usually critical still air performance often separates men boys arrived field morning 630 am give take breakfast put up still air flights possible helped substantially us least airplane trimmed achieve morning max perfecting trim best Glider Matthew Gagliano launched large thermal model flew out sight after dethermalizer failed plane drifted downwind first rode thermal beyond thousand feet drift ed straight back toward us right sun Several people watched least 25 minutes least clear evidence negligible drift site Having lost number Glider Soko Cup flyoffs Mike Keller spent time trimming out AL-37 Ultimate Dragmaster put final trim two Bradley-designed models adjusted zoom launch Ultimate Dragmaster Though born straight-towing days Dragmaster has proven forgiving towline easy trim good ther maler boot Overall kitted design excellent beginners model FlB team smooth practice ses sion Rod loerger flew both fine still air model new plane showed potential Dave Warren worked shortening mo tors run times powerful climb Chris Pelatowski father used up first day practice driving back Dubrovnik Chriss box finally ar rived promised models flew great right out box Power team however two days frustration bad luck Craig Lippman crashed two remaining three models beyond repair originally brought four lost Soko Cuptemporandy third model also crashed repaired Tom Kerr Craigs grandfather 120 Model Aviation Left Posing models US Fl B Wakefield team members L R Dave Warren Rod loerger Chris Pelatoweki Right Fl Gilder team models left right Matthew Gagliano Joel Grasmeyer Mike Keller FiB team 7th FlA boys 10th Left Struggling hold footing 30-mph winds several team members Rashan Samuel Australia dont seem too disap pointed learning FlA postponed till next day Right Part team used free time after flying canceled tour Worid War ii memorial beautiful country just south Mostar Two students university Mostar sewed guides US Fl C Power trio accepta first-place honors awards ciosing ceremo nies ieft second-piace Korean team third-puce Soviets right Americans secret Au three efties Future US teama may need earn negative-ieft-bunt launches Mike Keller some hard landings too though planes damaged badly Craigs Tom caine res cue again wanting feel left out Jim Troutman also managed nasty crash father still working repairs midnightand probably beyond spent Tuesday morning taking team pictures performing limited trim flights 100 pm processed models rub ber motors towlines returned Mostar until 700 pm opening ceremo nies Some us used extra time tour Mostars Old Town highlight fa mous bridge known Old Bridge built 1566 Turks equivalent $30 two local divers would leap bridge forty-degree water Ne retva River 65 feet below Regrouping walked school sta dium opening ceremonies held Since few other teams ar rived early Soko Cup practice first opportunity see 19 national teams Olympics-style cere mony included two musical groups speech es FM representatives abundance parading Day OneWednesdaydawned gray clouds rain first three months cold wind no weather flying Continued page 193 Tom Kerr prays earnestiy Yugosiavian thermai gods trusty thermistor side Toms uncanny nose thermic pivotai Americana succesa March 1991 121 Fl C World Champion Mike Kelier stands proudiy among individuai winners power Whens engine Mike Concentration filis faces Tom Kerr PlC fiier Craig Lippman wait Tensing iaunch Oniy 14 years oid passing thermai Tom showed gift Soviet flier maintained perfect score choosing air over over again meet through sixth round Unfortunateiy dropped over minute iast Chris Peiatowski scans field signs lift Chris flew Fl B team driven back Dubrovnik dad day before pick up iate-arriving modei An elated power team celebrates Its victory Team Manager Bob Sifiect Left right Craig Lippman Sifleet Mike Keiler World Championship trophy Jim Troutman holding team trophy Notice both fliers raise trophies ieft hand arrow shaft tubes can epoxied leading edges surfaces add stiffness Use rattail chain-saw file suitable diameter file semicircular groove both wings trailing edge surfaces leading edge groove should just large enough accommodate tube necessary tubes may telescoped using graduated diameters closely match taper wing Glue tube leading edge sur face using 5-minute epoxy sure sur face true glue curing Control sur faces can attached wing using arrowshaft hinges tape prefer tape because quicker lighter generates no stress points wing because control surfaces can re moved time repair painting Safety note extremely careful han dling trailing edges surface can very sharp will cut like razor warning Ill wager will cut yourself first time Once surfaces attached wing ready go Perhaps youll want prime paint competition Sailplane pigmented epoxy gives very good finish Priming painting very very time-consuming adds up 15% weight wing Dont unless just have elect paint few words caution Most paint solvents will eat styrene foam very quickly Dont rub solvent wing sur face dont gloss thick coats paint until surface well filled two things can happen both bad First solvent will seep through pinholes surface cause bubbles paint second solvent will dissolve thin foam trailing edge thereby causing glass skins separate Its pretty sight whole construction process takes two six hours actual labor two wing halves depending size complexity wing about one-third one-half time required other construction meth od actual cost materials about 25% cost construction uses balsa wings compare very favorably weight other construction methods much stronger stiffer set Two Meter wings weighs about 10 oz Terminator wings weigh 20 oz finished wings can also take beating lost Terminator #2 about 1000 ft according Casio altitude watch inside think control cable parted plane made vertical dive warp speed recenfly-plowed field planting itself vertically up its wing rods mud damage limited bent wing rod loosened empennage minor gravel rash Re pairs took less 30 minutes flying next day building wings other method Final hint Kitplanes magazine publication builders experimental aircraft other loo nies usually lists fair number suppliers composite materials tools full good ideas too will also get some valuable tips reading articles Model Aviation magazine Pylon Racers some great painting Free Flighters use radical construction methods everyone interested aerodynamics control conclude article Frank listed sources bagging supplies Since writing Frank has gone supplies business himself broad line includes everything needed bagging attractive prices too putting bagging seminars shop Thank Frank Weston valuable article Send large SASE list Franks sup plies also contains full line Sailplanes including Two Meter SAM-I 100-in Merlin 138-in Magic 160-in-span Termina tor am considering putting together complete list ing sources Sailplane building materials parts kits etc What think E Jr FF Champs/Grasmeyer Continued page 121 mention driving steep curving mountain roads few guardrails Still managed arrive ample time scheduled 700 am first round orga nizers forced move FlA Thurs day FiC FiB Friday Satur day Leaving field late morning stopped briefly hotel ate lunch university Mostar Apparently col lege food bad everywhere After lunch two young Yugoslavian wom en graduates university took Gaglianos Bob Sifleet Mike Keller tour renowned World War II merug 7d 4 ~ Podaogn Inc Only ce-tit led checks money ordem accepted Minimum order S12OOtortlmepackagesotd Pomerpolests3Soperoackage -I- $150 shipping handling CT residento add 75% sales tao Prices suhiect change inithout notice DEALER INQUIRIES INVITED Fm bother intorrnaljon dealer prices send SASE tousiness Card SERMO RIC SNAP CONNECTORS Inc Cedar Corners Station Box 16787 Stamford CT 06905 203 322-6294 THE LEADER IN COM PETITION NEW p DIA 12 13 14 15 16 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCH 5/a34 634 72833456 833/a4568 8/a4568/a7 94566Va77Ia 10456B/a7 106W8W 10SEW 114677Ia775/a8 ii SW 11 6EW* ll/a 67 12 4W 12 5W 12 56 13 56 14 56 15 56 16 4N 16 678 PROPELLERS 4 CYCLE SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPEDTOGIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW PITCH THP 66 77 Ia 8 677/a 8 677/a 8 67 678 March 1991 193 NEW p FINGER SAVER INC P RESENTS Patented Safety Retainer No damaged fingers Eliminates need helper Allows complete freedom START & ADJUST plane ALONE High quality steel Lightweight Compact MUST flier Dealers invited NOW ONLY $1995 s&h FL res add 7% tax FINGER SAVER INC PO Box 1416 St Petersburg FL 33731 PRO SERIES 3 RO PYLON RACING SERIES 500 DIAPITCH 75N5/aN 8I6Ia7V,75/a8 SERIES 400C 8a/66a1777 977Va7/a W WIDE BLADE EW EXTRA WIDE N NARROW morial overlooking Mostar Delighted test English Americans guides later served unofficial interpreters Back hotel picked up few team members supporters drove eight miles south Buna underground river emerges rocky cliff shelters several species preda tory birds Moslem family lives cliffside dwelling near water-powered barley mill fish hatchery visit deepened appreciation Yugoslav culture its historical roots Day TwoThursdaybegan open ing round FlA sent chase crew downwind set up flight line Since wind still strongbetween 15 25 mphtowing would quite difficult Station ing Tom Kerr thermistor upwind launched warm lull released mod els much altitude possible flare went off promptly 700 morning Mike Keller launched first drop wind missed ther mal Matt Gagliano followed accept able time 203 turn began spate towing troubles missed maxes would continue three rounds second round Mike stayed up just over two minutes Matt luckier found first good air morning maxed Having towing problems scored 14 seconds after model spun off launch round three switched models found lift big lull maxed Flying second Matt caught some turbulent sink landed just over minute Mikes plane flew out medium lift missed max 30 seconds launched first round four maxed Mike followed missing max seven seconds Matt low launch milked small patch lift two-minute time fifth round Matts model spun half way down off zoom launch recov ered scored 113 Mike maxed excellent air chosen Tom Kerr sixth round coin flipped over Mikes flight lasted 1 mm 32 sec Matt booming max spun down 12 seconds after final dose towing trouble last round Matts model almost mimicked last flight touching ground 27 seconds Mike circled once found big thermal easily maxed switched third model old reliable Ultimate Dragmaster found enough lift fourth max much relief packed models fragments thereof back boxes Matt finished 36th just ahead 38th Mike Keller accumulated 948 seconds putting him 23rd Day ThreeFridaybegan winds gusting between 10 20 mph 700 am round first official flight Craig Lippman easily stayed up 400 max Jim Troutmans launch pushed over its back wind giving him 239 Mike Keller maxed big thermal selected Tom Kerr second round marked beginning overrun troubles Craig Jim clocked almost full second over See Dealer Cataloger Order they dont carry Square Cut Tools cal us pay cal pay shipp og U S aod Canada 407 254-0516___ 905 N flaroor City Bud Melbourne Fl 32935 Dealer/Olatrlbuter InquIries Invited ida Res Add 6% Sales Tax seven-second motor run thought timekeepers may have anticipated launch slow reaction times Doug Galbreath discusses sort problem June/July issue NFFS Digest Af ter some heated discussion two original timekeepers replaced some Yugo slav power fliers Just safe flier shortened engine run least secondeven though FAI Power ship means giving up 100 feet alti tude Craig Jim maxed re flights Putting up first flight round Mike barely missed 300 max Craig began round three exciting flight its horizontal stabilizer de tached launch model looped four times landed engine running 209 645 5535 GOLDEN GATE HOBBIES PO BOX 27001 FRESNO CAUFORNIA 93729 M/CVISA OR COD HA TORI RA DICICON I&fMSK HATORI BLUEPRINT SHOWS ALL EXHAUST ITEMS FULL SIZE 2FT X 4FT $ 5 WE WANT NEW DEALERS ! HATORI 650 LONG PIPE $4350 TO DEALERS CATALOG $ 200 OR FREE WiTh ORDERS 194 Model Aviation Meter meter problems eater Accurate Robart aircraft alignment tools mean fewer failures fun c4f y Dealers Nationwide POBox 1247 SIChar/es IL 60174 708-584-7616 ROBARTMFS 1990 accurate way measure travel elevator aileron THE precision instrument designed toflaps rudder Attaches easily flying surface precisly accurately measure relationshipmeasures surface deflection Allows accurate between rotor blade flybar Allows fordifferential adjustments Fiits large small scale aircraft precise set-up collective inputs location Offers features greater accuracy expensive meters #1 meter setting proper thrust wing stabilizer incidence Readies new models accurate flight helps diagnose other models operate less best Fits wing tapered straight Fine tunes 1/8 degree SQL 5 pc Masters Set lIt 3/161/4 5/16 3/8$1698 3 pc Builders Set- 3/16 1/4 5/16$ 998 Satisfaction GuaranteedPRECISION MODEL PRODUCTS Launching next 55-second engine run Mike seven seconds short max Craigs model escaped damage reassembled some extra holddown rubberbands launched missed maxing half minute Pressed time end round Jim forced launch cold liftless wind dropped 20 seconds fourth round tear finally perfectly together fli naxed thanks again fine air chosen Tom thermistor Tom timekeepers said has nose thermic Mike Jim began fifth round same vein high-climbing maxes Craig launched third After clear overrun eight seconds plane caught good ther mal maxed Craig didnt have spare model since craft air three 10 minutes remaining round chase team asked return plane within seven minutesnot easy task strong wind three chase vehicles Astonishingly chasers back 5/2 minutes almost breaking land speed record Volkswagen van time Craig Tom quickly checked over processed fueled Craigs model round ended team fully focused now Without looking back plunged sixth round maxed flight Realizing theyd first team placings day Craig 7IiJhaII RIC 1db-Bar Glow Plugs Long Short Also.Only $209 Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $169 Swanson Associates PO Box 151 7945 Wayne NJ 07470 Jim Mike knew seventh round critical Craig beautiful straight climb max Mike followed other Jim felt pressure keenly re leased perfect launch model cir cled higher higher buffeting wind Itll take Bob Sifleet predicted month come down perfect flight cap day US won FiC team champion ship Mike Keller new World Champion Jim Troutman finished just hind trophies fourth place Craig Lippman seventh double-headed victory unprece dented annals US Free Flight competition adult Junior did 1990 Junior FiC team break mold three fliers left-handed unique fly ing style brought group closer together Tom Kerrs astuteness finding lift made unbeatable Tom named honorary left-hander southpaws left Russians North Koreans waving left hands air jumping off right feet years American power fliers have throwing models right hand despite clear proof right hand wrong hand Only left hand can produce perfect negative-left-bunt launch kind brings max after max regard less conditions US FiB Wakefield team began Made U S BARSTOCK ALUMINUM SPINNERS Part NoSize 11150-B 12 TT-175B 314 11-2000 11-225B 1/4 fl-226B 114 FAI 11250-B .. 2-1/2 TT-251-B /2 FAt .. TI-275-B . 23/4 11-276-B . 23/4 FAI 00B 11-301-B3 FAI TT-325B . 3-1/4 TT-350B.. 3-1/2 11-375-B. 3-3/4 11-400-B RetailApprox PriceWeight $1395058 ox 1495095ez 159510002 169516002 1695150ox 1695190ox 2095170oz 2295220ox 249520002 269526002 269525002 3695340oz 4995470ox 599552002 6995570ox 3 Pieces Cone Back Plate Retainer Screw Note 3 4 Blade Spinners Available Sizes Add $300 Per Spinner PROP NUT ADAPTORS V Part NoSize 11-140-A . 1/4-26 47-A . 1/4-26/7mm TT-610-A.6x 10mm TI-hO-A.7x 10mm 11-516-A .5/16-24 11-516-A 24/Bmw TT-B10-AB x 10mm 11-625-AB x 125mm TT-375-A3/6-24 11-125-A10 x 125mm RetailApprox PriceWeight 5495 .06102 495.061ox 49506302 495. 06202 495..07602 495..07602 495 076oz 495 07502 595 .ll7ox 595liSox 3 Pieces Nut Washer Machined Bushing Add $350 Shipping Handling Prices subject change notice ROMCO MFG INC OX 836 SOUTH HOUSTON TEXAS 77587 713 943-1867 March 1991 195 5H710 Pkg 24 $295 EAsT HINEAI THE HIGH-TECH HINGE DESIGNED FOR THE CYANOACRYLATE AGE Easier install other hinge No gouging picking messy epoxies Simply Cut single knife slot tor hinge slide hinges e apply tew drops ot tavorite CA glue youre done SUPER FAST SUPER EASY SUPER STRONG 74e &t t9e4 fza eaa & SIG MFG CO INC.401-7 So Front St.Montezuma IA 50171 23-5154 DO IT THE SAFE WAY START YOUR ENGINE FROM BEHIND THE PROPELLOR WITH THE SAFESTARTADAPTER Patent Pending Designed mount starter field box No mare reaching around spinning propellor remove glow battery adjustment carburetor face never over propellor Easy use Engage spinner starter drive washer give alight downward pressure activate starter downward start insures field box wont move Mount SAFE-START high enough match height aircraft Easy installation field boxes Regular SAFE-START up 90 engine JUMBO SAFE-START 120 engine Introductory Price IStarter out includedl Regular SAFE-START C34•95 plus $300 postage/handling Jumbo SAFE-START 4495 plus $300 postage/handling Check Money Orders No COD Make checks payable SAFE-START Mass residents add 5% ssles tax Manufactured WEAVER MACHINING SERVICE 6 Dewey St Maynard MA 01764 Telephone 508-897-9591 next day earnest effects storm passed Lift easier locate chase crew well-deserved rest Rod loerger started auspiciously lit erally perfect maxhis model touched ground exactly 330 Chris Pelatowski disappointing flight Dave Warren came closer 318 Rod maxed again second round Chriss model climbed well caine down nine seconds short took no chances Dave launched building ther mal rest us ran under model wav ing shirts whip up air worked Rod Dave maxed again round three Rod hooking first significant thermal day Chris glided just second short max fourth round shifting wind direc tions made lift difficult locate Rod missed thermal landed 210 Chris found little lift have model hit streamer pole way down Dave luckier maxing biggest thermal day Round five saw Chris repeating Rods last time 210 Dave climbed out fourth consecutive max Rod switched planes maxedhis fourth too sixth round Rod caught area sink landed 215 Chris maxed after energetic launch Dave waited five minutes thermal slowly built up wind time launched motor tired giving low climb low time team rebounded final round Rod Dave picked good air both maxed after low swooping launches delayed climbouts Flying Bob White No 22 model Chris minimal lift until thermal-whipping crew created bubble tripled altitude Dave Warren finished 12th final standings Rod loerger 14th Chris Pelatowski 28th closing ceremonies evening winners given trophy medal national anthems played flags displayed Living up its reputa tion Soviet Union claimed first place three events combined US team celebrated its FtC sweep again drove south Buna postceremony banquet feasted fresh fish under trees listened Yugo slav music group individual winners brought models pictures inspec tion exchanged team shirts traded other souvenirs modeling products After friendly good-byes pre pared leave Dubrovnik Its amazing common interest model airplanes breaks down cultural linguistic barriers farewell rituals repeated US team members separated Kennedy International Airport once-in-a-lifetime experience flying Junior World Champs took years preparation None us US team mem bers could have accomplished alone wish thank Joe Kresnak Karl Spielmaker Bill Shailor Jim Bradley Chuck Markos Bob Sifleet con tributed special way making dream reality United States team wishes ac knowledge following AMA providing team uniforms patches hinds well handling necessary paperwork FlA day 196 Model Aviation ADVANCES AEROCuLL 05 Wwrr roe NFORMATO5 PRODUCTS R isousirt 15V11E0 Poe AEIVArLEODAERO05OEIJCTS ST 500 365-C 555573 75003 014 524-3940 Obechi Large Sheets Please call 415 462-0672 send SASE 850 Concord Street Pleasanton CA 94566 have pt [ rand 7 ngFlver. Als 1990 Eastern Soaring Leagsue Season Championship Win makes magic competition look like voo doo aerodynamics magic 8-year-old Windsong design can still defeat com petitions newest finest just imagine what Lovesong brand new Saber can Saber being called Wlndsong Nineties high praise indeed Al White has just shown Send 2 stamps new Catalog showing complete line Multichannel Gliders Also Second Wind/90-2 nesusletter now available Second Wind $1 per issue $2 per year USA INNOVATIVE MODEL DF SUPER FAST GRIPS TIGHT WH0E PTREftS DONT REMOVA8LEiflThOtJTATMcE-SUPER ADHESIVE ToI Clear PUMmDQS THI WORK US8 BY THE PROS Simple Use Part tie MixIng Y A134IESYES Ccl Art Johnson See RC Modeler April 89 Holds Canopies ANY Material Inokaing PlasflcCoesrlngs tin hAs AThIU8 Lock I6 No Fogging Clear Parts Better SIlicone Dries lIttOfl TOn85 Masters Whiner US Heidi Fliuwalls Fiberglass 1/4 Thne Scale Team eAJIows Servos Mounted Setter C/Ks Attaching Norm Gover EdItor Scale RV Modeler Anywhere Wllbout Fear CanopIes PlastIc Api FrUIt Costello CalUfilnIst Flying Modets Totally Removable WIlliout Flbergtass Parts y Southeastern ContributorCausing Danuge Scale RiC Modeler Masters CompetItor Mlhe Has Superstar Helicopter Ptlot PFM Available Hobby Retailer NoL Call laevsllve Medal Pieubutu Toll Free 800 780-3190 Ordert Dealer Inquiries Wanted would have frozen team jackets Tom Kerr beautiful lift se- modelers learned about other cultures lected Doug Galbreath printing teamand learned new pride own country cards Bob Sifleet outstanding work asThe program offers young people ulti mate incentive seriously pursue modeling Bob Bill Hunter Satellite City forTeam Manager Continuing support Junior Free donating Hot StuffId like encourage AMA NFFSFlight team investment future Jim Bradley Bradley Model Productsand individual modelers nationwide fullymodel aviation Junior participation inter national Control Line Radio Control carbon fiber FlA accessoriessupport Junior Free Flight World Chain-competition would benefit US modelBetty Kerr beautiful knitted teampionships program Participating pro- sweatersgram has changed lives Weve growning community well II OFFICIAL AMA SAFETY CODEJanuary 1 1991 Model Flying Must Accordance Code Order AMA Liability Protection Apply GENERALflown indoors3 will perform initial turn after takeoff away 1 will fly model aircraft competition or7 will operate models met al-bladed pro-from pit spectator areas will U Iin presence spectators until has beenpellers gaseous boosts gasesafter fly over pit spectator areas unless beproven airworthy having previ-other air normal atmospheric pressure en-yand control ously successfully flight testedter internal combustion engines nor will I4 will operate model using radio control operate models extremely hazardous fuelsfrequencies currently allowed Federal 2 will fly model higher approxi- ch containing tetranitromethane orCommunications Commission Only properly Ii Imately 400 feet within 3 miles airport with-drazine out notifying airport operator will give right-censed Amateurs authorized operate equipof-way avoid flying proximity full-8 will operate models pyrotechnics anyment Amateur Band frequencies Further scale aircraft necessary observerdevice explodes burns propels projec-any transmitters use sanctioned event shall utilized supervise flying avoid hay-tile kind including limited rockmust have certified RICMA-AMA gold sticker ating models fly proximity full-scale aircrafteta explosive bombs dropped modelsfixed indicating manufactured modi- U I3 established will abide safetysmoke bombs explosive gases such atied operation 20kHz frequency separa rules flying site use will willfullyhydrogen-filled balloons ground mounted do-tion except 27MHz 53MHZ deliberately fly models careless reck- vices launching projectileThe exceptions permitted rockets flown accordance FREE FLIGHT less and/or dangerous mannerthe Safety Code National Association 4 mmodl weighs over 20 pounds will Rocketry permanently attached per 1 will launch model aircraft unless ye y insrdance paragraph 5 sec-JATO use also items authorized Airleast 100 feet downwind spectators auto- tion AMA Safety CodeShow Team use defined AST Advisory Coin-mobile parking 5 At air shows model flying demonstrations mittee document available AMA HO Note 2 will fly model unless launch area single straight line must established side model aircraft defined aircraft clear persons except mechanic off i- U flying other side spec- engine able carry human being daIs tators Only persons essential flight9 will fly model using turbojet power ax operations permitted flying side3 will em lal centrifugal flow unless have obtained ploy use adequate device line others must spectator special waiver such specific flights flight extinguish fuses model after U side Flying over spectator side line AMA President Executive Director will has completed its function i prohibited unless beyond control abide restrictions imposed such flights exceptions may permit- Note does apply ducted fan CONTROL LINE ight line requirement under special circumstances involving consideration ofmodels using piston engines electric motors 1 will subject complete control system insite conditions model size weight speedRADIO CONTROLcluding safety thong applicable inand power must jointly approved AMAspection pull test prior flying I President Executive Director maxi-1 will have completed successful radio equipmum permissible takeoff weight models 55mont ground range check before first flight of21 will assure flying area safely clear Ibsa new repaired modelof utility wires poles 6 will fly model unless identified with2 will fly model aircraft presence3 will assure flying area safely clear name address AMA number inof spectators until become qualified flier un-of non-essential part cipants spectators model Note does apply modelsless assisted experienced helperbefore perm ft ng eng ne started L 8 Model Aviation 0 SEMI/ liii 995 PO Box 4365AIgevallmhOe*om Add $2J0 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