World Champion Miss RJ

NO OCR TEXT NO OCR TEXT cant remember idea try Pylon Racing knew about existed US popular number years After some research discovered Pylon Races being run Europe well particularly Sweden West Germany Great Britain Hungary obtained plans very successful American model Bob Cat Bob Violet installed Czechoslo vakian MVVS 65/F engine intended mainly use F3A Pattern time best engines its category satisfied racing times about 230 times under two minutes common elsewhere Eu rope Undaunted continued practice end 1975 flew best time 215 felt due mostly improved piloting skills still good enough lengthy period research technical information exchanges fellow Czechoslovakian Pylon Racers still practice followed Several years passed combined knowledge skills increased racing times also improved early 1 980s becoming apparent Czechoslovakian FM Pylon Racing teams group 30 Model Aviation Left Front view shows bottom part Miss RJ engine end tuned pipe removed Landing gear attached wing heip two duraiumin sheets Right MWS 65 GRRT engine fitted tuned pipe attached fuseiage steel sleeve slides freely exhaust outiet adapter 200 x 150mm fibergiass prop hub covered 40mm duraiumin spinner Left Detail view shows ruddercontroi wire coming through exitguide Tali wheei made hard rubber Right Two Futaba servos inside M isa RJ fuselage controi sievator rudder extreme ieft end rudder servo travei trips engine shutoff mechanism Two air intake openings visible view above ouraiumin spinner pro vides air carburetor Another front part cowi forcooiing cyiinder BALSALIiILL miss RJ DESIGb/~1D BY NIL Q5 AND ZDEHK I4ALINA N BALSA LE NA 1 BALSA SHEET A 5AEET SlYRENE FOAM cc~c 4 - -x - BALSA BALSA A N SOLID BALSA TIP HARDWCDO LANDING GEAR BLOCK METAL SPI NNER / I 3 ALUMINUM N j.1c4MRIWCOO xx4LUMINUM LSA BLOCK 7 N F Z- STREAMLINE WHEEL ALSA C c D-D GLASS F905 000028* 44 WI__ OLYSr 02040 H- 8*40]Ii___ \_ srccz *9190 C-CB-h 4-A P6 -4 2j -Rd 4A7 --41-PLJELAGE SIDE L Ii,U Ijiioj{zo -ir 7J ---1------ 1 IIi 1~~IIj1I ____ ______________________IIII 9-A Ic-------1Id-4 - h- i I 14 _ _ -I- ___ 25 1 i4 tWO 012 GO2ALI0994224_____ 9 WQALLJO4N 6 10PS BEECH 9012 777C7 *44 __-OFF- 0____ I0200 I FL9ELFANO4ii 108806 I H H 90T90204 2026, *702115 64012 THREADS FOR 010018 00/10SWORE STEF~GR09WGtLL/010 0149902 srEEL WooEr 02 aLGOl OFF L/01EWRALLO101WING 2090 EJIPNNAGE COVER 17 A LiGHT GLASS FIBEG CLOTH 20 lOLL/PR44 ho IDEII B So 10 EWWURO01EWTA 200/AL H LEFT I / w,1GI lI~I lili 2/tB 0404L201/ L- AIL 5505 LOWG misS 01922LL11519P2 l,31009- WIRE 22WING COGE EFIPIATSS PAGE 2 FUSELAGE TPk VIEW I 2I2 5 0 02011 OJRALU01IOI 42*202 32 Model Aviation Full-Size Plans Available. See Page 170 0/SAUlnH-H 2 BAEF ___Cl o7] 1 LL H / ___I__ I_ 4II 17 B S PS Cs 1 2*SEQ VOS /2545/ OUTLINESIDES HurLs-s ass A/ZCOIZD51E TO 505905 USED IL-CON/ES --------0105/.ENsorG II II I Ii IIj --I4-I II rh1p - hi r ___LL I________ BJLYSTYBET4E BALK_______ OUrLINEh TET4PUATE T OF TIlE STABILIZESd Iz 1955 t1ATIAL B BALSA P OOD ISA/s ToP 6 eorro TED 10TH LIGHTh SE DBSE CLOTHd DEBDEATH THE BALSATEMPLATE Z FOLYSTYEEHE BALESO h d TEPIPLATE X KAI/0 0424456542 / 590ALL TIEASLISES/E15/S IN flflLIflrrrQs S ross /0 BE OSILLSO Our$0I ALLE/IIATL4ISJ DUSAL//NIN 150 25 31 --A S/EEL 951540 95 Cr9/rOn WI/BLED WOUND AlSO SOLDESSO SLID/OS T LAT/IHATCO ON BOTH SIDES UNDW545IEATH THE COVES BEsS T 3 15 DJT DEFIES 11550 SrESL I90IZES SON W/H 5165 02 ESsopENsh CO1E1IDSO*0/- lstpDOO 50/ 054 TBSs4aCESEh S/pEa /nTsnIEUoI-n/ /50050 DOS 50150/ ltalq 4 alpos. CONOPDSS/O N9 CDDIC&O TOE/a sSphso kVs-I-okornl 01/0155 Pro tEDS/El CDE5 4 INIS-rIoTIsro/ 550250 DOs 50EFt fto/q 451540 U-/S-nStosss/ SOP WITH TSOPHI SEp Ito/p 4 S5pDs 1955 CVSO5NpISVI5NIp OISEVD 1tpDa 1N/O/T5OC5IEII S/EDO OTIs CBS/a CSsI 5504000/ ITHETTDUDNEI 4 A/DOs 1501-0/ CI50IO/POTE1/IF LI 45/ 5025 OC IIOOEL OF P30 CAT000Y FOG PYLON GACIPIG miss R J W/10 SPAN 300mm WEIGI-lr 2W LENOTN 1050 mm ENGINE Ill/VS E5 PEST OESIONEO BY I1ILO AND ZDE/1EK PAL/NA PAGE 1 30 BA Os September 1986 33 taken seriously 1983 efforts rewarded won pres tigious Trofeo OPS race Italy fast time 125 Two weeks later Grand Prix Modela race fortunate win again time over 80 best Pylon Racing teams Europe end 1984 learned first World Championship F3D would take place cradle Pylon Racing USA immediately awoke lethargy slowly creeped over us past months last chance encounter best fliers world Secretly hoped whole Czech oslovakian national team would go US time hopes melted away mere coincidence Ma linas would attend World Champs supposed represent whole lot Czech fliers stay home USA us high temperatures humidity New York airport discomfitting fact box containing models lost enroute can still remember stood helplessly airport terminal trying locate lost model box no success finally left airport models after three hours fruitless waiting spent next three days New York desperate mood before model box finally found can trust us say wait ing very unpleasant time us Another unpleasant discovery would able use old Futaba RC set contest due its 27 MHz frequency Fortunately guardian angel Bob Wallace loaned us sons RC set 72 MHz frequency set unfortunately different control travel limits practicing very successful Milos nervous unsatisfied used RC set complained models response control inputs satisfying radius turns increased despite adjustments model transmitter situation did improve much no other choice therefore expected per formance first World Champs would less hoped used best engine equipped best tuned exhaust pipe also well-proven prop Still test flights very poor much worse usual clockings home disappointment us also others mainly Bob Wallace friend Don Mc Stay watched practicing Rocky Hill flying field Connecticut 34 Model Aviation Wing half made up two pieces 0 poly styrene cut templates Butt-join two pieces before covering sheet balsa Dull-joined wing parts covered bal sa Smooth joint lightly sandpaper covered wIth 17mm 1/16-in balsa one-piece balsa cover foam core epoxy glue diluted 1-to-i methyl alcohol use fine sandpaper planethat started itall BobCat replica oftheTelford/ViOletwinner Malinasand Czechoslovakias first Pylon model Todays rules require scalelike planesthan day spent lot time trying figure out what wrong could identify anything lay blame Alls well ends well Toward end contest Milos calmed himself started fly used doing home last Zdenek succeeded tuning engine correctly decisive won FAT World Championships two happiest Pylon Racers earth tried make best week before contest program clear would closely watch best Americans flying AMA Nationals Formula 1 event mornings spend afternoons practicing modeling air port Rocky Hill safe side practiced both models spare Shark model little slower unbelievably reliable put aside gcod feeling competitive backup should Miss RI fail Things never seemed go entirely smooth us though end week just before start compe tition crack developed best tuned pipe attempted repair pipe ruptured again after two flights things began get worse span afternoon lost almost spare tuned pipes never en countered such problem before no idea what werent sure cause problem soon discovered best engine de veloped excessive vibration pipe fitted ruptured after few flights Bob Wallace never too far away saw troubles understood look face came tell us World Champs competitor would have fly 14 rounds What could Never before flown seven flights contest rules could accept important information deter mined future tactics team would become World Champions would have fly well throughout rounds mental determination would have remain unshakable throughout mar athon race Consistency major goal Therefore fitted model spare engine highrevving original very reliable very tight piston/cylinder fit would give better chance lasting through 14 rounds flew couple test flights no cracked pipes engine started reliably ran con sistently thing left finetune length pipe choose right compression ratio depend much atmosphere though would have left until just before start contest contest officially opened August 4 entire first day devoted official practice did use chance although later would need used working adjusting checking during practice condi tions doing such things race site didnt seem good us did think wise just fly around risk possible destruction model also did want torture engine such grueling racing schedule still come Most other participants race officials could understand behavior learned later did take explanation seriously used practicing day own way though spent time watching other fliers Australians seemed best very tight spirited team Brit ish well Americans flying very fast best Americansuperstar American Formula 1 racing David Shadeldispelled doubts FAT Pylon know-how disappointed Cana dians especially Italians knew well European contests form did arrive late nervous did Continued page 36 September1986 35 Iuvr wing uuruce WITfl 8 iignt riergiass cloth Adding color laminating resin wiii cut down paint weight iater Cm starting iine 195 European Championships Zdenek holds Miss RJ whiie Milos prepares start engine Malinas have European victories credit PRACTICAL SIZED GIANT SCALE MODELS NICK ZIROLI Jets too FibernInt t2nwlings Canopies Available Plans sent Post-Paid within USA Send 5O Full Catalog Balsa Dc-31W 1i40 span$4200 F4UCORSAIR2W 193Span$3000 A6M5ZERO2A 191 Span$3000 cuRTI5P402A194 Span$3000 AT-STExAN241101Span$3000 P8FBEARCAr2A 186 Span$3000 FOKKER DR-i27183 Trips$2700 Nick Ziroli 29 Edgar Dr Smithtown NY 11787 USA Plans RK-20 RK-740 Ducted Fans Phantom35 span$1000 Viggen32 span$1000 F-iS36 span$1000 Plan canopy$1500 516-234-5038 Gone forever nightmare hel i-flier dreads stepping 3 foot tenna ripping off front prized chopper just its ready fly Base loaded short WHIP ANTENNA gives hidden performance Less 7 long can mounted project front helicopter inside canopy virtually invisible 23961 CnAFTSMAN RD CALABASAS CA 91302 818 992-0195 GORaM MOOE PRODUCTS 218 VERNON ROAD GREENVILLE PA 16125 412 588-1321 talk much flew couple very satisfying practice flights end practice day decided leave till tomorrow arrived contest site early next morning Bob Wallace began fine-tune Miss RI attempted find right compression ratio tuned pipe length could seem hit upon correct combination engine definitely turning its highest revs about began question decision sit out practice day Finally tried reducing prop di ameter much time gone first race officials contestants began appear CD soon prohibited additional practicing safety reasons nothing else us wait out felt engine running well reliable also felt capable turning higher rpm decided hold out last possible adjustment shortening tuned pipe minimum until after first round Finally luck started run way landed end heat matrix first round gave us chance watch competitors fly know what kind times beat times fast during practice helped calm us still very nervous first takeoff What would time cant know happy after DYNATHRUST PROPS look great too! ALL FUTURE PRODUCTION ON ALL SIZES WILL HAVE LOGO AND TIPS PAINTED SIZES CURRENTLY AVAILABLE 13x6 8-840015x6 8-$70018x6 810-8100022x8 10- $1800 14 x 6 8-850016 X 6 8- 880020 x 6 810 -$1400AdditianalSizeaAvadaableSaen S speakers announced taken lead best time 1246 first round great know flying full speed still some engine tuning reserve next round shortened pipe about 4mm cut time 1229 Without further hesitation shortened pipe its minimum last engine running full revs time following rounds around 1 20confirmed right Soon gap began develop between us other competitors became quiet happened seventh round Zdenek careful enough tail struck foot during release model did take off received zero score blood froze knew could make mistakes As result began fly conservatively Luckily could afford lead 14 seconds over closest competitor knew needed finish remaining rounds average times last flight also last heat entire World Championships Therefore uncettain until last moment would World Champions though would take time 137 us win no could imagine nervous both before last takeoff did exchange single word realized little stood betweenus title yet Kieeb R/C Idle-Bar Glow Plugs Long Short Only $1 o Also. Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $129 Swanson Associates PO Box 151Sne r948 Wayne NJ 07470 36 Model Aviation 4 Order Whip Antenna Gives Hidden Performance 2541 N E 11th Court ano Beach Florida 33062 e 305 941-9119 AVAILABLE FROM LEADING DEALERS AND DISTRUBUTORS DIRECT Ip.- tiniest mistake malfunction would mean defeat engine started perfectly held model second after starter dropped flag just avoid risk takeoff collision flight went smoothly thus became first World Champions FAA F3D Pylon Racing stress over first time two days able relax smile thrilled fellow com petitors joined us celebrating victory shall never forget moments full genuine friendship Americans organized World Championship top level highly professional perfect organizing staff led uncompro mising Contest Director Wayne Yeager entire organization excellent last both us chance personally meet such notables Bill Wis niewski John Worth John Grigg Jim Shinohara Dave Shadel Cliff Telford others 20 beautiful days spent US brought home best thing memories Building Instructions Miss RI replica actual P-S iD Mustang required FAI F3D regulations races similar full-size closed course aircraft chosen mainly its suitable portions shape lieve close ideal F3D construction based previous PRODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes * Headers Venturi Mufflers * Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpas OUT OF AFRICA -- PIVOT PLUS C 0 21230 DAMSON ROAD BOTHELL WA98o21iif well-tried Lotus Pink Panther models construction details have carried over no changes model has very forgiving flying characteristics spite suitable beginners little RC experience Needless say model must built fair amount care exactness Bear mind model can reach speeds over 150 mph horizontal flight subject considerable stress turns Therefore recommend construction changes especially rela tive strength model may suffer structural failure turns Nevertheless comparison rivals model can considered very simple Wing core should cut poly styrene foam specific weight should exceed 15 kg/m3l lb/ft3 wing composed four basic parts First cut off both central parts #36 left right using X Y templates trailing edge should twisted negatively per Z template about 5mm out pre-cut outer parts #37 will buttjointed central parts #36 using epoxy Use 17 mm ha-in balsa covering wing balsa part covering should glued together ad vance have one-piece sheets slightly larger half wing Continued page 38 EXTRA 230 Featured May 86 ModelAvzatzon New Avullabls tt Scale Span96in Length72 AreahSOOsqinplas Loading28on persq ft WeightiVdIba PowerQ-35 CAll hM Club Na C5E wins Writs tsr airs Isfonnailm Fill Elf $19995 Mslg fILM Partial $11595 inl ILK 712-943-4102 RIC EXTRAS RR No1 Box 28B Sergeant Bluff IA 51054 100erS yoUre Ogmil1IhI S &tc1PP Wayne Johansen TX commute West Africa 60 PIVOT PLUS too can know thrill precision pivotingwing roll control portable glider easily disassembles fits its 21/2x7x36 shipping box Now imagine same glider both hot aerobatic slope perfbrmer quickclimbing thermal champion has won handlaunch competitions features solidcore wings fiberglass U fuselage Imagine tiny giant looks performs like scale Windsong comes two wingspan options 60 72 Pivot Plus another innovative original concept Dodgson Designs Send 2 stamps complete catalog full information WIN OSONG CAMANO 1985 US 2-Meter Champion PIXY new PIVOT PLUS VHS 8mm video tape $25 VISA MASTER CHARGE now accepted Wind 19995 Cam 15995 Pixy 14995 Mv P1 7000 September 1986 37 NEWEST AIRPLANE fi full size Aerelsatlc World OP OR 6 C8 Sen6 jOG tO 4-Cycle Special MIRACLE GLOW PLUG totally new concept glow plug design Instead using idle bar MIRACLE PLUG built pre-combustion chamber important thing plug retains heat better other know Try . 4-cycle motor 2-cycle motor also will get smoother throttle response probably will able use less expensive low nitro fuel Tests also show reduced fuel consumption cases WARNING I! motor probably will idle faster re-set throttle . Otherwise might able land Hard believe . course check out MIRACLE PLUGJust case 40702 4-Cycle Glow Plug $275 outline Gently sand both polystyrene foam core balsa cover before glue together laminate foam balsa first apply epoxy has thinned methyl alcohol balsa Use light glass cloth laminate trailing edge shown plans Walt about 30 min allow alcohol evaporate place balsa-covered wing core plastic bag Expel alr balsa sheeting will adhere perfectly foam core pressure applied balsa should strong enough unevenesses polystyrene core will appear balsa surface After about 8 10 min remove wing panel plastic bag Sand wing surface trailing edge shape Glue leading edge end arch #38 andthehardwoodblock#41 landing gear place using epoxy Once epoxy has cured wing panels should sanded covered light fiberglass cloth similar way sheeting glued foam core order get smooth surface best use about poxy per wing panel Use lower pressure time though wing does become deformed vacuumizing should take about 10 hours time wing should removed allowed cure least another 24 hours After epoxy has thoroughly cured cut ailerons #39 out wing glue piece 5 x 5mm Q/16 sq leading edge aileron Shape part shown plans cover light fiberglass cloth Contour wing aileron wells accept ailerons perfect fit will obtained aileron front pressed wing kept until epoxy has completely cured aileron #39 should attached three hinges aileron pushrod #44 made 3mm -in music wire placed two plywood mounts P2 2mm z P3 3mm -in fitted aileron must move freely no slop piness Sand contacting surfaces both wing halves will butt against other along whole center profile maintaining correct dihedral Epoxy wing panels together dry stiffen trailing edge wing center 2mm QA2-in plywood #40 holes fastening wing screws Insert glue place wedge hard balsa duralumin tube #43 leading edge wing center cover coat light fiberglass cloth epoxy has cured cut out opening servo wing glue 2mm %2-in plywood plate mounting servo Tail surfaces UsingtheT andYtemplates cut core #34 polystyrene foam Butt-join both core halves cover 17mm 6-in balsa same way 38 Model Aviation NEW GREAT LAKES TRAINER T21A SPAN 64 115 SCALE SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST PO Box 566 Dept AM Auburn WA 98071 206 941-8248 Manufacturing Company 5305 Towson Avenue Fart Smith AR 72901 RAINBOW RUNNER 25 or 45 Gm PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 PRESENTIN FL INGER THE ULTIMATE SMALL SAILPLANE HANDLAUNCH HI-STARTorSLOPE WINGSPAN 57 WEIGHT l2oz MACHINECUT PARTS DEALERS&DIST INQUIRIES INVITEDFLINGER LJMP 110 $2995 ELECTRA L ITE-ICARUS-PANTERA- METEOR-ELECTRICUS-WHISTLER PR ELUDE-COMET LARRY JOLLY MODEL PRODUCTS 5501 W COMO SANTA ANA CALIFORNIA 92703 714 826 6861 wing Glue trailing edge tipsbends roundsharp bends will crack in place sand whole assembly andflight KY flFVI cover light fiberglass cloth shutoff mechanism should made in~ U. elevator #35 attached fourexactly shown plans main65 Ignition Approved hinges controlled 2mm QAz-inbodyisofaluminumangle lOx l5mmQA x brass lever #32 soldered place mounting plate both servos copper sheet two halves theis made 2mm QA2-in cuprextit glass 90 Day elevator joined 3mm Va-in steellaminate elevator rudder push-Warranty Graupner rope guide Twin Ball music wire #33 glued themrods aBearing fin rudder #29 30 arestiffened 15 mm V16-in steel wireCrank made 8mm Q/ia-in balsa shouldOn pushrod ends devises glued together now After shaping andball links profiling shown plans cover formers #2 7 between light fiberglass cloth rudder #30 isfuselage sides first Take care attached three hinges pushrodvertical fore aft axis Close attached its left sidefuselage sides rear up oblique Americas finest old-timer engine former #13 above up former Fuselage best prepare some the#17 below 2mm QA2-in balsa riginallr designed parts before beginning actual constructionstrips order avoid fuselage twisting Hassad & Havlik Cutoutallformers#23456and7Cutduring later stages lica engine out fuselage sides #1 8mm %- y has cured glue onic tuning ensures light balsa coverthem insideengine mount parts #8 9 betweencontinuous flow power through medium fiberglass clothformers #2 3 front part ed range Bolt together engine mounting blocksfuselage Next glue fuel tank between out green goodbye #8 pieces 10 x 12 x 235mm rmers 3 4 using resin glue Take headT&Ds replica x 1034-in hardwood Mount dura-good care tank outlets well ky Devil 65 luminstrips#9of6x lOx 115mmx3/sxglued former #3 Screw 1mm Aa 4-in size Insert fiberglass cloth betweenin steel wire Former 3 will $279 less coil cond & plug contact areas before screw to-release fuel tank pressure alif residents add 6% sales tax gether apply epoxyengine shut off Glue guide between RDER DIRECT fuel tank 110cm3 6 cu inFormers 3 4 will activate maximum capacity should constructedwire Next close front upper part theT&D RESEARCH AssocIATEs brass tin-plated steel sheet solderedfuselage up oblique former #13 371 El Cajon Blvd Suite 115 together Check leaks using syringewith balsa strips #10 11 Diego CA 92115 bending sheet make sure Continued page 135 I FOR BROCHURE September 1986 39 f 201 IE 12th Strait Puma. hash FL 22660 265-735-7073 ENGINEERING THE LANDING GEAR PEOPLE tired kit landIng lean den III year biggie property o & 0 Engiaeonng Ca salve veer pruhlewa * Caste built Ia year needs & specs geerenteed lit * Straug & datable wlthitoad toighoet leading * II & II Engiaeaniep gear will work & keep year biggie flylag * In stock replacement gear tar popular models Syria Pttta Cbnstea Eagle CAP 21 lalsa USA J-3 CIII Air Tech Pawnon end Eagle Macen Rig Slick Champ Citabria H & R models Soapper Stinger ned Supper Ten Consumers Guide Radio Control Products Its Listed THIRD Dont Need ItEDITION See hobby shop order dfrect $075 Price $795 plus $180 UPS total ngo air mail $1345 $795 plus *5501 U S dollars please Send Chock MO Credit Card info Consumers Guide 150 Off St Hmniaonhurg VA 22801 4340350 Name Address Charge Card No MC VISA CHOICE MasterCard lB # ______________________ Expiration Date ___________________________ Sinnpd 7 Model Magic Filler Balsa Foam & Fiberglasssands exactly like Balsa Super lightweight Superior adhesion Waterproof Nontoxic Use nicks gaps fillets fairings building up large areas 8 tI oz $595 retail Model Magic Epoxy Plus \\ 8 mm 25% lighter Sands & carves like Basswood \ Non sagging gap filling super strength Use anywhere atwo part epoxy used Sf1 oz $895 retail equal 8 ez regular epoxy shrink turn brittle used gasoline diesel offers clarity visual fuel flow Model Magic tubing remains flexible plasticizer migration foul engines exhibits outstanding tear abrasion resistence Tubing tinted red easy identification gasoline & diesel use Available 5ft $249/pkg Oft $479/pkg SOft spools $2190 Blue Gb-Fuel Tubing Made finest silicone tubing available Less 1% swelling after 150 hours 15%nitrofuel Available 21/2 5ft packages SOft spoi~ C9 / 4Red Gas & Diesel Tubing iModel Magic Gas & Diesel Fuel Tubing will swell fine products available ~~Model dealer direct Magic Products Inc PO Box 19784 St Paul MN 55119 715/425-1397 second wing believe has optional dihedral three four channels youll want different airfoil flat-bottomed anyway Goldberg also has Falcon 56 bit span Eagle 6-ft Senior Falcon Both planes can built optional dihedral plans have semi-sym metrical airfoils no harder fly much Eagle everything con sidered Theyll give aerobatics want possible wish within two sea sons before youd want build some ulti mate good idea observe general strivings some busy site noting good bad what like Case joint can get good guy help learn fly Eagle quickly youll save vast amount valuable time youll know whether youll still have interest radical ideas sure can make work must can take couple seasons fine-tune concepts experienced builder Painful Double-take Kaydet Sr almost ready cover suddenly realized wont fit car called Srull said Guess what wer Gosh never thought either Craig Hyon guys get driving licenses welcome struct elemental business gets plane flying site can take Bill Winter 4432 Altura Ct Fairfax VA 22030 Miss RJ/Malinas Continued page 39 Make sure stab #34 poly styrene foam fuselage top #14 cor rectly shaped glue fuselage sides After sanding fuselage top shown cover coat medium-weight fiberglass coat light fiberglass Sand smooth buttjoint fin #29 Re-check tightness fuel tank before closing front bottom fuselage apply 10mm 3A-in balsa strip between formers #3 4 Make notch 20mm Y16-in radius balsa strip tuned pipe Cover notch three coats medium fiberglass cloth Cover englne mount area same way engine cowl #27 should sanded balsa block carefully fiberglassed cowl held place screw Place servo rails #24 fuselage fix pushrod guides rudder elevator proper po sitions cover remainingpart lower fuselage rudder servo should located right viewed above rotated its leftmost position should activate engine shut off mechanism Check operation both servos carefullyboth rudder elevator should operate freely no lateral movement Attach wing fuselage using two 4nin-i Q/16-in wood screws screws thread part #23 made up two 6mm -in plywood layers glued between fuselage sides lead ing edge wing held place 8mm Q/16-in hardwood dowel inserted duralumin tube #43 1mm 2-in plywood wing fillet #21 fits between fuselage wing should glued fuselage wing bolted place assure fits tightly After dries glue re maining fillet parts #22 place sand wing fillet shape shown plans Glue polystyrene #19 wing bottom rear part fuselage sand accordingly Cover polystyrene parts coat medium coat light fiberglass cloth hardened attach tail wheel #31 rear fuselage glue 2mm Q/n-in cuprextit bracket wing attachment tuned pipe 4mm Q/16-in landing gear legs fixed hardwood blocks #41 sealed suitable product covered 1mm 2-in duralumin plates #42 bottom wing area smooth Sand fuselage correct shape cover two coats medium fiberglass cloth up front between Formers 2 4 coat medium fiber glass cloth over rest Cover em pennage wing fillets Continued page 139 September 1986 135 Building repairs snap Model Magic responding advertisers mention read about ModelAviation Miss RJ/Malinas Continued page 135 smooth After thorough sanding cover fuselage once light fiberglass cloth epoxy has hardened wetsand again fine sandpaper coat favorite finishing epoxy Take good care surface finish im perfect work will affect flying perform ance Trimming racing position center gravity GO quality construction weight should exceed 2200g ie 4 lb 14 oz empty fuel tank have decisive effect flying performance Needless say model must straight have ex cellent finish Prior first flight model should balanced CG corresponds plans radio system operations must checked check should re peated engine running full revs Trim model during first flight adjust pushrods after landing Carefully move CO during course further flights find position suits best control model model naturally responsive rudder elevator movements CG moved backwards vice versa well-tested trimmed model should always slightly nose heavynever reverse main purpose test flying find optimum CO best combination rudder elevator aileron travel limits used Modela MVVS 65 ORRT engine MVVS tuned exhaust turns 200 x 150mm prop 21000 22000 revs ground Never use plastic prop Sooner later likely tear apart resulting vibration will damage destroy model engine Use turned metal spinner must run true Should disturbing vibrations occur stop flying immediately try find cause fly model again until determination made may well lead crash common causes vibration loose unbalanced prop loose engine mounting screws loose wheel landing gear leg imperfect match ing wing fuselage Vibrations represent serious threat Pylon Racing model also damage servosthe durability limited During test flying try practice serious ly mechanic Fly Pylon race course Random flying open sky has no purpose hazardous test flight should much longer competition flight Never forget about safety F3D model flying especially ex hausting pilot best effective test fly often least once week weather reasonable number takeoffs Check model carefully after flight Clean good cleaner preserve pro tective wax Radio Technique/Myers Continued page 41 old even-numbered frequencies look CoxlSanwa 8016 test results above should convince that receiver implication its matched transmitter must considerably off frequency respond soweiltoasignal 10kHz awayfromthenominal value crystal Since crystals accuracyof00l%725 Hz easilyobtain able today transmitters plug-in crystals use fixing part problem should quite easy meeting hobby industry representa tives called Toledo Frequency Committee Chairman Fred Masks discuss problem crossover users specifically car boat operators using aircraft frequencies thing revealed meeting arent ones upset misuse frequencies Several useful suggestions developed obvious major sales outlets want cooperate program educate hoped control abusers ofthe RC operating privilege Expect start seeing labels transmitters specifying what used surface-only alrcraft-only About scanners July issue has out couple weeks have swamped calls about scanners Please con tact District Frequency Coordinator borrow scanner assigned AMA district can learn lot way subject take out July 1986 issue ModelAviation turn page 36 correct George Wilsons address 82 Frazier Way Marstons Mills MA 02648 lieve two calls came because moved published address About RF modems Recently received package literature Mr GF Vargo VP Engineering EST Kennewick WA 99336 manufacturers ESTeem wireless modem Mr Vargo explains ESTeem Wireless Modem .licensed under Part 90 Subpart K FCC regulations. .the RE modem market aware Further ESTeem modem .utilizes digital phase lock loop conjunction synthesizer frequency generation frequencies start 72040 continue 72960 40 kHz steps. ESTeem brochure gleaned information receiver works 12 VDC uses dual conversion has sensitivity five micro-volts information presented reply column noted press release another magazine quoted use both odd- even-numbered RC frequencies doubted May 86 could case Mr Vargos letter continues .To insure modem users aware possible conflicts RC modeler note stating fact displayed transmitter receiver frequen cy-select charts ESTeem Operating Man ual encouraging non-usage 6 RC frequencies copy page manual included shared channels marked exactly claims Im sure know ESTeem under no obligation us .the ESTeem does use new channels assigned RC modelers Continued page 142 DIA 6 7 8 8* 9 10 10 11 11 11 * 12 13 14 15 16 3 4 28 3 3* 4 5 6 3 3&3/4 4 5 6 8 4 5 6 6* 7 4 5 6 8* 7 7* 4 5 66W 6* 78W 6EW 4 6 7 7* 7* 7&3/4 8 6EW 6 7 4W 5 5W 6 5 6 5 6 5 6 6 78 FOUR-CYCLE TAILORED HELICAL PITCH 126 6* 7 7* 8 136 7 7*8 146 7 7*8 1567 16678 PRICE $149 $179 $189 $199 $199 $209 $219 $229 $239 $239 $279 $359 $459 $659 $949 $299 $389 $489 $689 $989 PYLON RACING 75N 5*N* 8&3/46* 6&3/4 7 7* 7&3/4 97 7* 7&3/4 W Wklebiade EW EzLFo wide N $279 $289 $289 Narrow SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES COMPLETE INVENTORY OF CUSTOM & STOCK PARTS OLD TIMER SUPPLIES CARBON FIBER COILS CONDENSERS SILK TRANSISTOR IGNITION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES NE WI! 1/2A PLAYBOY SR FOR 1/2A TEXACO RIC FF ELECTRIC OR SPORT KIT $2995 ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRIES INVITED ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX September 1986 139 OUR INVENTORY AVERAGES OVER 8000 PROPSIII SPECIAL PRO SERIES PITCH

NO OCR TEXT NO OCR TEXT cant remember idea try Pylon Racing knew about existed US popular number years After some research discovered Pylon Races being run Europe well particularly Sweden West Germany Great Britain Hungary obtained plans very successful American model Bob Cat Bob Violet installed Czechoslo vakian MVVS 65/F engine intended mainly use F3A Pattern time best engines its category satisfied racing times about 230 times under two minutes common elsewhere Eu rope Undaunted continued practice end 1975 flew best time 215 felt due mostly improved piloting skills still good enough lengthy period research technical information exchanges fellow Czechoslovakian Pylon Racers still practice followed Several years passed combined knowledge skills increased racing times also improved early 1 980s becoming apparent Czechoslovakian FM Pylon Racing teams group 30 Model Aviation Left Front view shows bottom part Miss RJ engine end tuned pipe removed Landing gear attached wing heip two duraiumin sheets Right MWS 65 GRRT engine fitted tuned pipe attached fuseiage steel sleeve slides freely exhaust outiet adapter 200 x 150mm fibergiass prop hub covered 40mm duraiumin spinner Left Detail view shows ruddercontroi wire coming through exitguide Tali wheei made hard rubber Right Two Futaba servos inside M isa RJ fuselage controi sievator rudder extreme ieft end rudder servo travei trips engine shutoff mechanism Two air intake openings visible view above ouraiumin spinner pro vides air carburetor Another front part cowi forcooiing cyiinder BALSALIiILL miss RJ DESIGb/~1D BY NIL Q5 AND ZDEHK I4ALINA N BALSA LE NA 1 BALSA SHEET A 5AEET SlYRENE FOAM cc~c 4 - -x - BALSA BALSA A N SOLID BALSA TIP HARDWCDO LANDING GEAR BLOCK METAL SPI NNER / I 3 ALUMINUM N j.1c4MRIWCOO xx4LUMINUM LSA BLOCK 7 N F Z- STREAMLINE WHEEL ALSA C c D-D GLASS F905 000028* 44 WI__ OLYSr 02040 H- 8*40]Ii___ \_ srccz *9190 C-CB-h 4-A P6 -4 2j -Rd 4A7 --41-PLJELAGE SIDE L Ii,U Ijiioj{zo -ir 7J ---1------ 1 IIi 1~~IIj1I ____ ______________________IIII 9-A Ic-------1Id-4 - h- i I 14 _ _ -I- ___ 25 1 i4 tWO 012 GO2ALI0994224_____ 9 WQALLJO4N 6 10PS BEECH 9012 777C7 *44 __-OFF- 0____ I0200 I FL9ELFANO4ii 108806 I H H 90T90204 2026, *702115 64012 THREADS FOR 010018 00/10SWORE STEF~GR09WGtLL/010 0149902 srEEL WooEr 02 aLGOl OFF L/01EWRALLO101WING 2090 EJIPNNAGE COVER 17 A LiGHT GLASS FIBEG CLOTH 20 lOLL/PR44 ho IDEII B So 10 EWWURO01EWTA 200/AL H LEFT I / w,1GI lI~I lili 2/tB 0404L201/ L- AIL 5505 LOWG misS 01922LL11519P2 l,31009- WIRE 22WING COGE EFIPIATSS PAGE 2 FUSELAGE TPk VIEW I 2I2 5 0 02011 OJRALU01IOI 42*202 32 Model Aviation Full-Size Plans Available. See Page 170 0/SAUlnH-H 2 BAEF ___Cl o7] 1 LL H / ___I__ I_ 4II 17 B S PS Cs 1 2*SEQ VOS /2545/ OUTLINESIDES HurLs-s ass A/ZCOIZD51E TO 505905 USED IL-CON/ES --------0105/.ENsorG II II I Ii IIj --I4-I II rh1p - hi r ___LL I________ BJLYSTYBET4E BALK_______ OUrLINEh TET4PUATE T OF TIlE STABILIZESd Iz 1955 t1ATIAL B BALSA P OOD ISA/s ToP 6 eorro TED 10TH LIGHTh SE DBSE CLOTHd DEBDEATH THE BALSATEMPLATE Z FOLYSTYEEHE BALESO h d TEPIPLATE X KAI/0 0424456542 / 590ALL TIEASLISES/E15/S IN flflLIflrrrQs S ross /0 BE OSILLSO Our$0I ALLE/IIATL4ISJ DUSAL//NIN 150 25 31 --A S/EEL 951540 95 Cr9/rOn WI/BLED WOUND AlSO SOLDESSO SLID/OS T LAT/IHATCO ON BOTH SIDES UNDW545IEATH THE COVES BEsS T 3 15 DJT DEFIES 11550 SrESL I90IZES SON W/H 5165 02 ESsopENsh CO1E1IDSO*0/- lstpDOO 50/ 054 TBSs4aCESEh S/pEa /nTsnIEUoI-n/ /50050 DOS 50150/ ltalq 4 alpos. CONOPDSS/O N9 CDDIC&O TOE/a sSphso kVs-I-okornl 01/0155 Pro tEDS/El CDE5 4 INIS-rIoTIsro/ 550250 DOs 50EFt fto/q 451540 U-/S-nStosss/ SOP WITH TSOPHI SEp Ito/p 4 S5pDs 1955 CVSO5NpISVI5NIp OISEVD 1tpDa 1N/O/T5OC5IEII S/EDO OTIs CBS/a CSsI 5504000/ ITHETTDUDNEI 4 A/DOs 1501-0/ CI50IO/POTE1/IF LI 45/ 5025 OC IIOOEL OF P30 CAT000Y FOG PYLON GACIPIG miss R J W/10 SPAN 300mm WEIGI-lr 2W LENOTN 1050 mm ENGINE Ill/VS E5 PEST OESIONEO BY I1ILO AND ZDE/1EK PAL/NA PAGE 1 30 BA Os September 1986 33 taken seriously 1983 efforts rewarded won pres tigious Trofeo OPS race Italy fast time 125 Two weeks later Grand Prix Modela race fortunate win again time over 80 best Pylon Racing teams Europe end 1984 learned first World Championship F3D would take place cradle Pylon Racing USA immediately awoke lethargy slowly creeped over us past months last chance encounter best fliers world Secretly hoped whole Czech oslovakian national team would go US time hopes melted away mere coincidence Ma linas would attend World Champs supposed represent whole lot Czech fliers stay home USA us high temperatures humidity New York airport discomfitting fact box containing models lost enroute can still remember stood helplessly airport terminal trying locate lost model box no success finally left airport models after three hours fruitless waiting spent next three days New York desperate mood before model box finally found can trust us say wait ing very unpleasant time us Another unpleasant discovery would able use old Futaba RC set contest due its 27 MHz frequency Fortunately guardian angel Bob Wallace loaned us sons RC set 72 MHz frequency set unfortunately different control travel limits practicing very successful Milos nervous unsatisfied used RC set complained models response control inputs satisfying radius turns increased despite adjustments model transmitter situation did improve much no other choice therefore expected per formance first World Champs would less hoped used best engine equipped best tuned exhaust pipe also well-proven prop Still test flights very poor much worse usual clockings home disappointment us also others mainly Bob Wallace friend Don Mc Stay watched practicing Rocky Hill flying field Connecticut 34 Model Aviation Wing half made up two pieces 0 poly styrene cut templates Butt-join two pieces before covering sheet balsa Dull-joined wing parts covered bal sa Smooth joint lightly sandpaper covered wIth 17mm 1/16-in balsa one-piece balsa cover foam core epoxy glue diluted 1-to-i methyl alcohol use fine sandpaper planethat started itall BobCat replica oftheTelford/ViOletwinner Malinasand Czechoslovakias first Pylon model Todays rules require scalelike planesthan day spent lot time trying figure out what wrong could identify anything lay blame Alls well ends well Toward end contest Milos calmed himself started fly used doing home last Zdenek succeeded tuning engine correctly decisive won FAT World Championships two happiest Pylon Racers earth tried make best week before contest program clear would closely watch best Americans flying AMA Nationals Formula 1 event mornings spend afternoons practicing modeling air port Rocky Hill safe side practiced both models spare Shark model little slower unbelievably reliable put aside gcod feeling competitive backup should Miss RI fail Things never seemed go entirely smooth us though end week just before start compe tition crack developed best tuned pipe attempted repair pipe ruptured again after two flights things began get worse span afternoon lost almost spare tuned pipes never en countered such problem before no idea what werent sure cause problem soon discovered best engine de veloped excessive vibration pipe fitted ruptured after few flights Bob Wallace never too far away saw troubles understood look face came tell us World Champs competitor would have fly 14 rounds What could Never before flown seven flights contest rules could accept important information deter mined future tactics team would become World Champions would have fly well throughout rounds mental determination would have remain unshakable throughout mar athon race Consistency major goal Therefore fitted model spare engine highrevving original very reliable very tight piston/cylinder fit would give better chance lasting through 14 rounds flew couple test flights no cracked pipes engine started reliably ran con sistently thing left finetune length pipe choose right compression ratio depend much atmosphere though would have left until just before start contest contest officially opened August 4 entire first day devoted official practice did use chance although later would need used working adjusting checking during practice condi tions doing such things race site didnt seem good us did think wise just fly around risk possible destruction model also did want torture engine such grueling racing schedule still come Most other participants race officials could understand behavior learned later did take explanation seriously used practicing day own way though spent time watching other fliers Australians seemed best very tight spirited team Brit ish well Americans flying very fast best Americansuperstar American Formula 1 racing David Shadeldispelled doubts FAT Pylon know-how disappointed Cana dians especially Italians knew well European contests form did arrive late nervous did Continued page 36 September1986 35 Iuvr wing uuruce WITfl 8 iignt riergiass cloth Adding color laminating resin wiii cut down paint weight iater Cm starting iine 195 European Championships Zdenek holds Miss RJ whiie Milos prepares start engine Malinas have European victories credit PRACTICAL SIZED GIANT SCALE MODELS NICK ZIROLI Jets too FibernInt t2nwlings Canopies Available Plans sent Post-Paid within USA Send 5O Full Catalog Balsa Dc-31W 1i40 span$4200 F4UCORSAIR2W 193Span$3000 A6M5ZERO2A 191 Span$3000 cuRTI5P402A194 Span$3000 AT-STExAN241101Span$3000 P8FBEARCAr2A 186 Span$3000 FOKKER DR-i27183 Trips$2700 Nick Ziroli 29 Edgar Dr Smithtown NY 11787 USA Plans RK-20 RK-740 Ducted Fans Phantom35 span$1000 Viggen32 span$1000 F-iS36 span$1000 Plan canopy$1500 516-234-5038 Gone forever nightmare hel i-flier dreads stepping 3 foot tenna ripping off front prized chopper just its ready fly Base loaded short WHIP ANTENNA gives hidden performance Less 7 long can mounted project front helicopter inside canopy virtually invisible 23961 CnAFTSMAN RD CALABASAS CA 91302 818 992-0195 GORaM MOOE PRODUCTS 218 VERNON ROAD GREENVILLE PA 16125 412 588-1321 talk much flew couple very satisfying practice flights end practice day decided leave till tomorrow arrived contest site early next morning Bob Wallace began fine-tune Miss RI attempted find right compression ratio tuned pipe length could seem hit upon correct combination engine definitely turning its highest revs about began question decision sit out practice day Finally tried reducing prop di ameter much time gone first race officials contestants began appear CD soon prohibited additional practicing safety reasons nothing else us wait out felt engine running well reliable also felt capable turning higher rpm decided hold out last possible adjustment shortening tuned pipe minimum until after first round Finally luck started run way landed end heat matrix first round gave us chance watch competitors fly know what kind times beat times fast during practice helped calm us still very nervous first takeoff What would time cant know happy after DYNATHRUST PROPS look great too! ALL FUTURE PRODUCTION ON ALL SIZES WILL HAVE LOGO AND TIPS PAINTED SIZES CURRENTLY AVAILABLE 13x6 8-840015x6 8-$70018x6 810-8100022x8 10- $1800 14 x 6 8-850016 X 6 8- 880020 x 6 810 -$1400AdditianalSizeaAvadaableSaen S speakers announced taken lead best time 1246 first round great know flying full speed still some engine tuning reserve next round shortened pipe about 4mm cut time 1229 Without further hesitation shortened pipe its minimum last engine running full revs time following rounds around 1 20confirmed right Soon gap began develop between us other competitors became quiet happened seventh round Zdenek careful enough tail struck foot during release model did take off received zero score blood froze knew could make mistakes As result began fly conservatively Luckily could afford lead 14 seconds over closest competitor knew needed finish remaining rounds average times last flight also last heat entire World Championships Therefore uncettain until last moment would World Champions though would take time 137 us win no could imagine nervous both before last takeoff did exchange single word realized little stood betweenus title yet Kieeb R/C Idle-Bar Glow Plugs Long Short Only $1 o Also. Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $129 Swanson Associates PO Box 151Sne r948 Wayne NJ 07470 36 Model Aviation 4 Order Whip Antenna Gives Hidden Performance 2541 N E 11th Court ano Beach Florida 33062 e 305 941-9119 AVAILABLE FROM LEADING DEALERS AND DISTRUBUTORS DIRECT Ip.- tiniest mistake malfunction would mean defeat engine started perfectly held model second after starter dropped flag just avoid risk takeoff collision flight went smoothly thus became first World Champions FAA F3D Pylon Racing stress over first time two days able relax smile thrilled fellow com petitors joined us celebrating victory shall never forget moments full genuine friendship Americans organized World Championship top level highly professional perfect organizing staff led uncompro mising Contest Director Wayne Yeager entire organization excellent last both us chance personally meet such notables Bill Wis niewski John Worth John Grigg Jim Shinohara Dave Shadel Cliff Telford others 20 beautiful days spent US brought home best thing memories Building Instructions Miss RI replica actual P-S iD Mustang required FAI F3D regulations races similar full-size closed course aircraft chosen mainly its suitable portions shape lieve close ideal F3D construction based previous PRODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes * Headers Venturi Mufflers * Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpas OUT OF AFRICA -- PIVOT PLUS C 0 21230 DAMSON ROAD BOTHELL WA98o21iif well-tried Lotus Pink Panther models construction details have carried over no changes model has very forgiving flying characteristics spite suitable beginners little RC experience Needless say model must built fair amount care exactness Bear mind model can reach speeds over 150 mph horizontal flight subject considerable stress turns Therefore recommend construction changes especially rela tive strength model may suffer structural failure turns Nevertheless comparison rivals model can considered very simple Wing core should cut poly styrene foam specific weight should exceed 15 kg/m3l lb/ft3 wing composed four basic parts First cut off both central parts #36 left right using X Y templates trailing edge should twisted negatively per Z template about 5mm out pre-cut outer parts #37 will buttjointed central parts #36 using epoxy Use 17 mm ha-in balsa covering wing balsa part covering should glued together ad vance have one-piece sheets slightly larger half wing Continued page 38 EXTRA 230 Featured May 86 ModelAvzatzon New Avullabls tt Scale Span96in Length72 AreahSOOsqinplas Loading28on persq ft WeightiVdIba PowerQ-35 CAll hM Club Na C5E wins Writs tsr airs Isfonnailm Fill Elf $19995 Mslg fILM Partial $11595 inl ILK 712-943-4102 RIC EXTRAS RR No1 Box 28B Sergeant Bluff IA 51054 100erS yoUre Ogmil1IhI S &tc1PP Wayne Johansen TX commute West Africa 60 PIVOT PLUS too can know thrill precision pivotingwing roll control portable glider easily disassembles fits its 21/2x7x36 shipping box Now imagine same glider both hot aerobatic slope perfbrmer quickclimbing thermal champion has won handlaunch competitions features solidcore wings fiberglass U fuselage Imagine tiny giant looks performs like scale Windsong comes two wingspan options 60 72 Pivot Plus another innovative original concept Dodgson Designs Send 2 stamps complete catalog full information WIN OSONG CAMANO 1985 US 2-Meter Champion PIXY new PIVOT PLUS VHS 8mm video tape $25 VISA MASTER CHARGE now accepted Wind 19995 Cam 15995 Pixy 14995 Mv P1 7000 September 1986 37 NEWEST AIRPLANE fi full size Aerelsatlc World OP OR 6 C8 Sen6 jOG tO 4-Cycle Special MIRACLE GLOW PLUG totally new concept glow plug design Instead using idle bar MIRACLE PLUG built pre-combustion chamber important thing plug retains heat better other know Try . 4-cycle motor 2-cycle motor also will get smoother throttle response probably will able use less expensive low nitro fuel Tests also show reduced fuel consumption cases WARNING I! motor probably will idle faster re-set throttle . Otherwise might able land Hard believe . course check out MIRACLE PLUGJust case 40702 4-Cycle Glow Plug $275 outline Gently sand both polystyrene foam core balsa cover before glue together laminate foam balsa first apply epoxy has thinned methyl alcohol balsa Use light glass cloth laminate trailing edge shown plans Walt about 30 min allow alcohol evaporate place balsa-covered wing core plastic bag Expel alr balsa sheeting will adhere perfectly foam core pressure applied balsa should strong enough unevenesses polystyrene core will appear balsa surface After about 8 10 min remove wing panel plastic bag Sand wing surface trailing edge shape Glue leading edge end arch #38 andthehardwoodblock#41 landing gear place using epoxy Once epoxy has cured wing panels should sanded covered light fiberglass cloth similar way sheeting glued foam core order get smooth surface best use about poxy per wing panel Use lower pressure time though wing does become deformed vacuumizing should take about 10 hours time wing should removed allowed cure least another 24 hours After epoxy has thoroughly cured cut ailerons #39 out wing glue piece 5 x 5mm Q/16 sq leading edge aileron Shape part shown plans cover light fiberglass cloth Contour wing aileron wells accept ailerons perfect fit will obtained aileron front pressed wing kept until epoxy has completely cured aileron #39 should attached three hinges aileron pushrod #44 made 3mm -in music wire placed two plywood mounts P2 2mm z P3 3mm -in fitted aileron must move freely no slop piness Sand contacting surfaces both wing halves will butt against other along whole center profile maintaining correct dihedral Epoxy wing panels together dry stiffen trailing edge wing center 2mm QA2-in plywood #40 holes fastening wing screws Insert glue place wedge hard balsa duralumin tube #43 leading edge wing center cover coat light fiberglass cloth epoxy has cured cut out opening servo wing glue 2mm %2-in plywood plate mounting servo Tail surfaces UsingtheT andYtemplates cut core #34 polystyrene foam Butt-join both core halves cover 17mm 6-in balsa same way 38 Model Aviation NEW GREAT LAKES TRAINER T21A SPAN 64 115 SCALE SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST PO Box 566 Dept AM Auburn WA 98071 206 941-8248 Manufacturing Company 5305 Towson Avenue Fart Smith AR 72901 RAINBOW RUNNER 25 or 45 Gm PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 PRESENTIN FL INGER THE ULTIMATE SMALL SAILPLANE HANDLAUNCH HI-STARTorSLOPE WINGSPAN 57 WEIGHT l2oz MACHINECUT PARTS DEALERS&DIST INQUIRIES INVITEDFLINGER LJMP 110 $2995 ELECTRA L ITE-ICARUS-PANTERA- METEOR-ELECTRICUS-WHISTLER PR ELUDE-COMET LARRY JOLLY MODEL PRODUCTS 5501 W COMO SANTA ANA CALIFORNIA 92703 714 826 6861 wing Glue trailing edge tipsbends roundsharp bends will crack in place sand whole assembly andflight KY flFVI cover light fiberglass cloth shutoff mechanism should made in~ U. elevator #35 attached fourexactly shown plans main65 Ignition Approved hinges controlled 2mm QAz-inbodyisofaluminumangle lOx l5mmQA x brass lever #32 soldered place mounting plate both servos copper sheet two halves theis made 2mm QA2-in cuprextit glass 90 Day elevator joined 3mm Va-in steellaminate elevator rudder push-Warranty Graupner rope guide Twin Ball music wire #33 glued themrods aBearing fin rudder #29 30 arestiffened 15 mm V16-in steel wireCrank made 8mm Q/ia-in balsa shouldOn pushrod ends devises glued together now After shaping andball links profiling shown plans cover formers #2 7 between light fiberglass cloth rudder #30 isfuselage sides first Take care attached three hinges pushrodvertical fore aft axis Close attached its left sidefuselage sides rear up oblique Americas finest old-timer engine former #13 above up former Fuselage best prepare some the#17 below 2mm QA2-in balsa riginallr designed parts before beginning actual constructionstrips order avoid fuselage twisting Hassad & Havlik Cutoutallformers#23456and7Cutduring later stages lica engine out fuselage sides #1 8mm %- y has cured glue onic tuning ensures light balsa coverthem insideengine mount parts #8 9 betweencontinuous flow power through medium fiberglass clothformers #2 3 front part ed range Bolt together engine mounting blocksfuselage Next glue fuel tank between out green goodbye #8 pieces 10 x 12 x 235mm rmers 3 4 using resin glue Take headT&Ds replica x 1034-in hardwood Mount dura-good care tank outlets well ky Devil 65 luminstrips#9of6x lOx 115mmx3/sxglued former #3 Screw 1mm Aa 4-in size Insert fiberglass cloth betweenin steel wire Former 3 will $279 less coil cond & plug contact areas before screw to-release fuel tank pressure alif residents add 6% sales tax gether apply epoxyengine shut off Glue guide between RDER DIRECT fuel tank 110cm3 6 cu inFormers 3 4 will activate maximum capacity should constructedwire Next close front upper part theT&D RESEARCH AssocIATEs brass tin-plated steel sheet solderedfuselage up oblique former #13 371 El Cajon Blvd Suite 115 together Check leaks using syringewith balsa strips #10 11 Diego CA 92115 bending sheet make sure Continued page 135 I FOR BROCHURE September 1986 39 f 201 IE 12th Strait Puma. hash FL 22660 265-735-7073 ENGINEERING THE LANDING GEAR PEOPLE tired kit landIng lean den III year biggie property o & 0 Engiaeonng Ca salve veer pruhlewa * Caste built Ia year needs & specs geerenteed lit * Straug & datable wlthitoad toighoet leading * II & II Engiaeaniep gear will work & keep year biggie flylag * In stock replacement gear tar popular models Syria Pttta Cbnstea Eagle CAP 21 lalsa USA J-3 CIII Air Tech Pawnon end Eagle Macen Rig Slick Champ Citabria H & R models Soapper Stinger ned Supper Ten Consumers Guide Radio Control Products Its Listed THIRD Dont Need ItEDITION See hobby shop order dfrect $075 Price $795 plus $180 UPS total ngo air mail $1345 $795 plus *5501 U S dollars please Send Chock MO Credit Card info Consumers Guide 150 Off St Hmniaonhurg VA 22801 4340350 Name Address Charge Card No MC VISA CHOICE MasterCard lB # ______________________ Expiration Date ___________________________ Sinnpd 7 Model Magic Filler Balsa Foam & Fiberglasssands exactly like Balsa Super lightweight Superior adhesion Waterproof Nontoxic Use nicks gaps fillets fairings building up large areas 8 tI oz $595 retail Model Magic Epoxy Plus \\ 8 mm 25% lighter Sands & carves like Basswood \ Non sagging gap filling super strength Use anywhere atwo part epoxy used Sf1 oz $895 retail equal 8 ez regular epoxy shrink turn brittle used gasoline diesel offers clarity visual fuel flow Model Magic tubing remains flexible plasticizer migration foul engines exhibits outstanding tear abrasion resistence Tubing tinted red easy identification gasoline & diesel use Available 5ft $249/pkg Oft $479/pkg SOft spools $2190 Blue Gb-Fuel Tubing Made finest silicone tubing available Less 1% swelling after 150 hours 15%nitrofuel Available 21/2 5ft packages SOft spoi~ C9 / 4Red Gas & Diesel Tubing iModel Magic Gas & Diesel Fuel Tubing will swell fine products available ~~Model dealer direct Magic Products Inc PO Box 19784 St Paul MN 55119 715/425-1397 second wing believe has optional dihedral three four channels youll want different airfoil flat-bottomed anyway Goldberg also has Falcon 56 bit span Eagle 6-ft Senior Falcon Both planes can built optional dihedral plans have semi-sym metrical airfoils no harder fly much Eagle everything con sidered Theyll give aerobatics want possible wish within two sea sons before youd want build some ulti mate good idea observe general strivings some busy site noting good bad what like Case joint can get good guy help learn fly Eagle quickly youll save vast amount valuable time youll know whether youll still have interest radical ideas sure can make work must can take couple seasons fine-tune concepts experienced builder Painful Double-take Kaydet Sr almost ready cover suddenly realized wont fit car called Srull said Guess what wer Gosh never thought either Craig Hyon guys get driving licenses welcome struct elemental business gets plane flying site can take Bill Winter 4432 Altura Ct Fairfax VA 22030 Miss RJ/Malinas Continued page 39 Make sure stab #34 poly styrene foam fuselage top #14 cor rectly shaped glue fuselage sides After sanding fuselage top shown cover coat medium-weight fiberglass coat light fiberglass Sand smooth buttjoint fin #29 Re-check tightness fuel tank before closing front bottom fuselage apply 10mm 3A-in balsa strip between formers #3 4 Make notch 20mm Y16-in radius balsa strip tuned pipe Cover notch three coats medium fiberglass cloth Cover englne mount area same way engine cowl #27 should sanded balsa block carefully fiberglassed cowl held place screw Place servo rails #24 fuselage fix pushrod guides rudder elevator proper po sitions cover remainingpart lower fuselage rudder servo should located right viewed above rotated its leftmost position should activate engine shut off mechanism Check operation both servos carefullyboth rudder elevator should operate freely no lateral movement Attach wing fuselage using two 4nin-i Q/16-in wood screws screws thread part #23 made up two 6mm -in plywood layers glued between fuselage sides lead ing edge wing held place 8mm Q/16-in hardwood dowel inserted duralumin tube #43 1mm 2-in plywood wing fillet #21 fits between fuselage wing should glued fuselage wing bolted place assure fits tightly After dries glue re maining fillet parts #22 place sand wing fillet shape shown plans Glue polystyrene #19 wing bottom rear part fuselage sand accordingly Cover polystyrene parts coat medium coat light fiberglass cloth hardened attach tail wheel #31 rear fuselage glue 2mm Q/n-in cuprextit bracket wing attachment tuned pipe 4mm Q/16-in landing gear legs fixed hardwood blocks #41 sealed suitable product covered 1mm 2-in duralumin plates #42 bottom wing area smooth Sand fuselage correct shape cover two coats medium fiberglass cloth up front between Formers 2 4 coat medium fiber glass cloth over rest Cover em pennage wing fillets Continued page 139 September 1986 135 Building repairs snap Model Magic responding advertisers mention read about ModelAviation Miss RJ/Malinas Continued page 135 smooth After thorough sanding cover fuselage once light fiberglass cloth epoxy has hardened wetsand again fine sandpaper coat favorite finishing epoxy Take good care surface finish im perfect work will affect flying perform ance Trimming racing position center gravity GO quality construction weight should exceed 2200g ie 4 lb 14 oz empty fuel tank have decisive effect flying performance Needless say model must straight have ex cellent finish Prior first flight model should balanced CG corresponds plans radio system operations must checked check should re peated engine running full revs Trim model during first flight adjust pushrods after landing Carefully move CO during course further flights find position suits best control model model naturally responsive rudder elevator movements CG moved backwards vice versa well-tested trimmed model should always slightly nose heavynever reverse main purpose test flying find optimum CO best combination rudder elevator aileron travel limits used Modela MVVS 65 ORRT engine MVVS tuned exhaust turns 200 x 150mm prop 21000 22000 revs ground Never use plastic prop Sooner later likely tear apart resulting vibration will damage destroy model engine Use turned metal spinner must run true Should disturbing vibrations occur stop flying immediately try find cause fly model again until determination made may well lead crash common causes vibration loose unbalanced prop loose engine mounting screws loose wheel landing gear leg imperfect match ing wing fuselage Vibrations represent serious threat Pylon Racing model also damage servosthe durability limited During test flying try practice serious ly mechanic Fly Pylon race course Random flying open sky has no purpose hazardous test flight should much longer competition flight Never forget about safety F3D model flying especially ex hausting pilot best effective test fly often least once week weather reasonable number takeoffs Check model carefully after flight Clean good cleaner preserve pro tective wax Radio Technique/Myers Continued page 41 old even-numbered frequencies look CoxlSanwa 8016 test results above should convince that receiver implication its matched transmitter must considerably off frequency respond soweiltoasignal 10kHz awayfromthenominal value crystal Since crystals accuracyof00l%725 Hz easilyobtain able today transmitters plug-in crystals use fixing part problem should quite easy meeting hobby industry representa tives called Toledo Frequency Committee Chairman Fred Masks discuss problem crossover users specifically car boat operators using aircraft frequencies thing revealed meeting arent ones upset misuse frequencies Several useful suggestions developed obvious major sales outlets want cooperate program educate hoped control abusers ofthe RC operating privilege Expect start seeing labels transmitters specifying what used surface-only alrcraft-only About scanners July issue has out couple weeks have swamped calls about scanners Please con tact District Frequency Coordinator borrow scanner assigned AMA district can learn lot way subject take out July 1986 issue ModelAviation turn page 36 correct George Wilsons address 82 Frazier Way Marstons Mills MA 02648 lieve two calls came because moved published address About RF modems Recently received package literature Mr GF Vargo VP Engineering EST Kennewick WA 99336 manufacturers ESTeem wireless modem Mr Vargo explains ESTeem Wireless Modem .licensed under Part 90 Subpart K FCC regulations. .the RE modem market aware Further ESTeem modem .utilizes digital phase lock loop conjunction synthesizer frequency generation frequencies start 72040 continue 72960 40 kHz steps. ESTeem brochure gleaned information receiver works 12 VDC uses dual conversion has sensitivity five micro-volts information presented reply column noted press release another magazine quoted use both odd- even-numbered RC frequencies doubted May 86 could case Mr Vargos letter continues .To insure modem users aware possible conflicts RC modeler note stating fact displayed transmitter receiver frequen cy-select charts ESTeem Operating Man ual encouraging non-usage 6 RC frequencies copy page manual included shared channels marked exactly claims Im sure know ESTeem under no obligation us .the ESTeem does use new channels assigned RC modelers Continued page 142 DIA 6 7 8 8* 9 10 10 11 11 11 * 12 13 14 15 16 3 4 28 3 3* 4 5 6 3 3&3/4 4 5 6 8 4 5 6 6* 7 4 5 6 8* 7 7* 4 5 66W 6* 78W 6EW 4 6 7 7* 7* 7&3/4 8 6EW 6 7 4W 5 5W 6 5 6 5 6 5 6 6 78 FOUR-CYCLE TAILORED HELICAL PITCH 126 6* 7 7* 8 136 7 7*8 146 7 7*8 1567 16678 PRICE $149 $179 $189 $199 $199 $209 $219 $229 $239 $239 $279 $359 $459 $659 $949 $299 $389 $489 $689 $989 PYLON RACING 75N 5*N* 8&3/46* 6&3/4 7 7* 7&3/4 97 7* 7&3/4 W Wklebiade EW EzLFo wide N $279 $289 $289 Narrow SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES COMPLETE INVENTORY OF CUSTOM & STOCK PARTS OLD TIMER SUPPLIES CARBON FIBER COILS CONDENSERS SILK TRANSISTOR IGNITION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES NE WI! 1/2A PLAYBOY SR FOR 1/2A TEXACO RIC FF ELECTRIC OR SPORT KIT $2995 ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRIES INVITED ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX September 1986 139 OUR INVENTORY AVERAGES OVER 8000 PROPSIII SPECIAL PRO SERIES PITCH

NO OCR TEXT NO OCR TEXT cant remember idea try Pylon Racing knew about existed US popular number years After some research discovered Pylon Races being run Europe well particularly Sweden West Germany Great Britain Hungary obtained plans very successful American model Bob Cat Bob Violet installed Czechoslo vakian MVVS 65/F engine intended mainly use F3A Pattern time best engines its category satisfied racing times about 230 times under two minutes common elsewhere Eu rope Undaunted continued practice end 1975 flew best time 215 felt due mostly improved piloting skills still good enough lengthy period research technical information exchanges fellow Czechoslovakian Pylon Racers still practice followed Several years passed combined knowledge skills increased racing times also improved early 1 980s becoming apparent Czechoslovakian FM Pylon Racing teams group 30 Model Aviation Left Front view shows bottom part Miss RJ engine end tuned pipe removed Landing gear attached wing heip two duraiumin sheets Right MWS 65 GRRT engine fitted tuned pipe attached fuseiage steel sleeve slides freely exhaust outiet adapter 200 x 150mm fibergiass prop hub covered 40mm duraiumin spinner Left Detail view shows ruddercontroi wire coming through exitguide Tali wheei made hard rubber Right Two Futaba servos inside M isa RJ fuselage controi sievator rudder extreme ieft end rudder servo travei trips engine shutoff mechanism Two air intake openings visible view above ouraiumin spinner pro vides air carburetor Another front part cowi forcooiing cyiinder BALSALIiILL miss RJ DESIGb/~1D BY NIL Q5 AND ZDEHK I4ALINA N BALSA LE NA 1 BALSA SHEET A 5AEET SlYRENE FOAM cc~c 4 - -x - BALSA BALSA A N SOLID BALSA TIP HARDWCDO LANDING GEAR BLOCK METAL SPI NNER / I 3 ALUMINUM N j.1c4MRIWCOO xx4LUMINUM LSA BLOCK 7 N F Z- STREAMLINE WHEEL ALSA C c D-D GLASS F905 000028* 44 WI__ OLYSr 02040 H- 8*40]Ii___ \_ srccz *9190 C-CB-h 4-A P6 -4 2j -Rd 4A7 --41-PLJELAGE SIDE L Ii,U Ijiioj{zo -ir 7J ---1------ 1 IIi 1~~IIj1I ____ ______________________IIII 9-A Ic-------1Id-4 - h- i I 14 _ _ -I- ___ 25 1 i4 tWO 012 GO2ALI0994224_____ 9 WQALLJO4N 6 10PS BEECH 9012 777C7 *44 __-OFF- 0____ I0200 I FL9ELFANO4ii 108806 I H H 90T90204 2026, *702115 64012 THREADS FOR 010018 00/10SWORE STEF~GR09WGtLL/010 0149902 srEEL WooEr 02 aLGOl OFF L/01EWRALLO101WING 2090 EJIPNNAGE COVER 17 A LiGHT GLASS FIBEG CLOTH 20 lOLL/PR44 ho IDEII B So 10 EWWURO01EWTA 200/AL H LEFT I / w,1GI lI~I lili 2/tB 0404L201/ L- AIL 5505 LOWG misS 01922LL11519P2 l,31009- WIRE 22WING COGE EFIPIATSS PAGE 2 FUSELAGE TPk VIEW I 2I2 5 0 02011 OJRALU01IOI 42*202 32 Model Aviation Full-Size Plans Available. See Page 170 0/SAUlnH-H 2 BAEF ___Cl o7] 1 LL H / ___I__ I_ 4II 17 B S PS Cs 1 2*SEQ VOS /2545/ OUTLINESIDES HurLs-s ass A/ZCOIZD51E TO 505905 USED IL-CON/ES --------0105/.ENsorG II II I Ii IIj --I4-I II rh1p - hi r ___LL I________ BJLYSTYBET4E BALK_______ OUrLINEh TET4PUATE T OF TIlE STABILIZESd Iz 1955 t1ATIAL B BALSA P OOD ISA/s ToP 6 eorro TED 10TH LIGHTh SE DBSE CLOTHd DEBDEATH THE BALSATEMPLATE Z FOLYSTYEEHE BALESO h d TEPIPLATE X KAI/0 0424456542 / 590ALL TIEASLISES/E15/S IN flflLIflrrrQs S ross /0 BE OSILLSO Our$0I ALLE/IIATL4ISJ DUSAL//NIN 150 25 31 --A S/EEL 951540 95 Cr9/rOn WI/BLED WOUND AlSO SOLDESSO SLID/OS T LAT/IHATCO ON BOTH SIDES UNDW545IEATH THE COVES BEsS T 3 15 DJT DEFIES 11550 SrESL I90IZES SON W/H 5165 02 ESsopENsh CO1E1IDSO*0/- lstpDOO 50/ 054 TBSs4aCESEh S/pEa /nTsnIEUoI-n/ /50050 DOS 50150/ ltalq 4 alpos. CONOPDSS/O N9 CDDIC&O TOE/a sSphso kVs-I-okornl 01/0155 Pro tEDS/El CDE5 4 INIS-rIoTIsro/ 550250 DOs 50EFt fto/q 451540 U-/S-nStosss/ SOP WITH TSOPHI SEp Ito/p 4 S5pDs 1955 CVSO5NpISVI5NIp OISEVD 1tpDa 1N/O/T5OC5IEII S/EDO OTIs CBS/a CSsI 5504000/ ITHETTDUDNEI 4 A/DOs 1501-0/ CI50IO/POTE1/IF LI 45/ 5025 OC IIOOEL OF P30 CAT000Y FOG PYLON GACIPIG miss R J W/10 SPAN 300mm WEIGI-lr 2W LENOTN 1050 mm ENGINE Ill/VS E5 PEST OESIONEO BY I1ILO AND ZDE/1EK PAL/NA PAGE 1 30 BA Os September 1986 33 taken seriously 1983 efforts rewarded won pres tigious Trofeo OPS race Italy fast time 125 Two weeks later Grand Prix Modela race fortunate win again time over 80 best Pylon Racing teams Europe end 1984 learned first World Championship F3D would take place cradle Pylon Racing USA immediately awoke lethargy slowly creeped over us past months last chance encounter best fliers world Secretly hoped whole Czech oslovakian national team would go US time hopes melted away mere coincidence Ma linas would attend World Champs supposed represent whole lot Czech fliers stay home USA us high temperatures humidity New York airport discomfitting fact box containing models lost enroute can still remember stood helplessly airport terminal trying locate lost model box no success finally left airport models after three hours fruitless waiting spent next three days New York desperate mood before model box finally found can trust us say wait ing very unpleasant time us Another unpleasant discovery would able use old Futaba RC set contest due its 27 MHz frequency Fortunately guardian angel Bob Wallace loaned us sons RC set 72 MHz frequency set unfortunately different control travel limits practicing very successful Milos nervous unsatisfied used RC set complained models response control inputs satisfying radius turns increased despite adjustments model transmitter situation did improve much no other choice therefore expected per formance first World Champs would less hoped used best engine equipped best tuned exhaust pipe also well-proven prop Still test flights very poor much worse usual clockings home disappointment us also others mainly Bob Wallace friend Don Mc Stay watched practicing Rocky Hill flying field Connecticut 34 Model Aviation Wing half made up two pieces 0 poly styrene cut templates Butt-join two pieces before covering sheet balsa Dull-joined wing parts covered bal sa Smooth joint lightly sandpaper covered wIth 17mm 1/16-in balsa one-piece balsa cover foam core epoxy glue diluted 1-to-i methyl alcohol use fine sandpaper planethat started itall BobCat replica oftheTelford/ViOletwinner Malinasand Czechoslovakias first Pylon model Todays rules require scalelike planesthan day spent lot time trying figure out what wrong could identify anything lay blame Alls well ends well Toward end contest Milos calmed himself started fly used doing home last Zdenek succeeded tuning engine correctly decisive won FAT World Championships two happiest Pylon Racers earth tried make best week before contest program clear would closely watch best Americans flying AMA Nationals Formula 1 event mornings spend afternoons practicing modeling air port Rocky Hill safe side practiced both models spare Shark model little slower unbelievably reliable put aside gcod feeling competitive backup should Miss RI fail Things never seemed go entirely smooth us though end week just before start compe tition crack developed best tuned pipe attempted repair pipe ruptured again after two flights things began get worse span afternoon lost almost spare tuned pipes never en countered such problem before no idea what werent sure cause problem soon discovered best engine de veloped excessive vibration pipe fitted ruptured after few flights Bob Wallace never too far away saw troubles understood look face came tell us World Champs competitor would have fly 14 rounds What could Never before flown seven flights contest rules could accept important information deter mined future tactics team would become World Champions would have fly well throughout rounds mental determination would have remain unshakable throughout mar athon race Consistency major goal Therefore fitted model spare engine highrevving original very reliable very tight piston/cylinder fit would give better chance lasting through 14 rounds flew couple test flights no cracked pipes engine started reliably ran con sistently thing left finetune length pipe choose right compression ratio depend much atmosphere though would have left until just before start contest contest officially opened August 4 entire first day devoted official practice did use chance although later would need used working adjusting checking during practice condi tions doing such things race site didnt seem good us did think wise just fly around risk possible destruction model also did want torture engine such grueling racing schedule still come Most other participants race officials could understand behavior learned later did take explanation seriously used practicing day own way though spent time watching other fliers Australians seemed best very tight spirited team Brit ish well Americans flying very fast best Americansuperstar American Formula 1 racing David Shadeldispelled doubts FAT Pylon know-how disappointed Cana dians especially Italians knew well European contests form did arrive late nervous did Continued page 36 September1986 35 Iuvr wing uuruce WITfl 8 iignt riergiass cloth Adding color laminating resin wiii cut down paint weight iater Cm starting iine 195 European Championships Zdenek holds Miss RJ whiie Milos prepares start engine Malinas have European victories credit PRACTICAL SIZED GIANT SCALE MODELS NICK ZIROLI Jets too FibernInt t2nwlings Canopies Available Plans sent Post-Paid within USA Send 5O Full Catalog Balsa Dc-31W 1i40 span$4200 F4UCORSAIR2W 193Span$3000 A6M5ZERO2A 191 Span$3000 cuRTI5P402A194 Span$3000 AT-STExAN241101Span$3000 P8FBEARCAr2A 186 Span$3000 FOKKER DR-i27183 Trips$2700 Nick Ziroli 29 Edgar Dr Smithtown NY 11787 USA Plans RK-20 RK-740 Ducted Fans Phantom35 span$1000 Viggen32 span$1000 F-iS36 span$1000 Plan canopy$1500 516-234-5038 Gone forever nightmare hel i-flier dreads stepping 3 foot tenna ripping off front prized chopper just its ready fly Base loaded short WHIP ANTENNA gives hidden performance Less 7 long can mounted project front helicopter inside canopy virtually invisible 23961 CnAFTSMAN RD CALABASAS CA 91302 818 992-0195 GORaM MOOE PRODUCTS 218 VERNON ROAD GREENVILLE PA 16125 412 588-1321 talk much flew couple very satisfying practice flights end practice day decided leave till tomorrow arrived contest site early next morning Bob Wallace began fine-tune Miss RI attempted find right compression ratio tuned pipe length could seem hit upon correct combination engine definitely turning its highest revs about began question decision sit out practice day Finally tried reducing prop di ameter much time gone first race officials contestants began appear CD soon prohibited additional practicing safety reasons nothing else us wait out felt engine running well reliable also felt capable turning higher rpm decided hold out last possible adjustment shortening tuned pipe minimum until after first round Finally luck started run way landed end heat matrix first round gave us chance watch competitors fly know what kind times beat times fast during practice helped calm us still very nervous first takeoff What would time cant know happy after DYNATHRUST PROPS look great too! ALL FUTURE PRODUCTION ON ALL SIZES WILL HAVE LOGO AND TIPS PAINTED SIZES CURRENTLY AVAILABLE 13x6 8-840015x6 8-$70018x6 810-8100022x8 10- $1800 14 x 6 8-850016 X 6 8- 880020 x 6 810 -$1400AdditianalSizeaAvadaableSaen S speakers announced taken lead best time 1246 first round great know flying full speed still some engine tuning reserve next round shortened pipe about 4mm cut time 1229 Without further hesitation shortened pipe its minimum last engine running full revs time following rounds around 1 20confirmed right Soon gap began develop between us other competitors became quiet happened seventh round Zdenek careful enough tail struck foot during release model did take off received zero score blood froze knew could make mistakes As result began fly conservatively Luckily could afford lead 14 seconds over closest competitor knew needed finish remaining rounds average times last flight also last heat entire World Championships Therefore uncettain until last moment would World Champions though would take time 137 us win no could imagine nervous both before last takeoff did exchange single word realized little stood betweenus title yet Kieeb R/C Idle-Bar Glow Plugs Long Short Only $1 o Also. Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $129 Swanson Associates PO Box 151Sne r948 Wayne NJ 07470 36 Model Aviation 4 Order Whip Antenna Gives Hidden Performance 2541 N E 11th Court ano Beach Florida 33062 e 305 941-9119 AVAILABLE FROM LEADING DEALERS AND DISTRUBUTORS DIRECT Ip.- tiniest mistake malfunction would mean defeat engine started perfectly held model second after starter dropped flag just avoid risk takeoff collision flight went smoothly thus became first World Champions FAA F3D Pylon Racing stress over first time two days able relax smile thrilled fellow com petitors joined us celebrating victory shall never forget moments full genuine friendship Americans organized World Championship top level highly professional perfect organizing staff led uncompro mising Contest Director Wayne Yeager entire organization excellent last both us chance personally meet such notables Bill Wis niewski John Worth John Grigg Jim Shinohara Dave Shadel Cliff Telford others 20 beautiful days spent US brought home best thing memories Building Instructions Miss RI replica actual P-S iD Mustang required FAI F3D regulations races similar full-size closed course aircraft chosen mainly its suitable portions shape lieve close ideal F3D construction based previous PRODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes * Headers Venturi Mufflers * Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpas OUT OF AFRICA -- PIVOT PLUS C 0 21230 DAMSON ROAD BOTHELL WA98o21iif well-tried Lotus Pink Panther models construction details have carried over no changes model has very forgiving flying characteristics spite suitable beginners little RC experience Needless say model must built fair amount care exactness Bear mind model can reach speeds over 150 mph horizontal flight subject considerable stress turns Therefore recommend construction changes especially rela tive strength model may suffer structural failure turns Nevertheless comparison rivals model can considered very simple Wing core should cut poly styrene foam specific weight should exceed 15 kg/m3l lb/ft3 wing composed four basic parts First cut off both central parts #36 left right using X Y templates trailing edge should twisted negatively per Z template about 5mm out pre-cut outer parts #37 will buttjointed central parts #36 using epoxy Use 17 mm ha-in balsa covering wing balsa part covering should glued together ad vance have one-piece sheets slightly larger half wing Continued page 38 EXTRA 230 Featured May 86 ModelAvzatzon New Avullabls tt Scale Span96in Length72 AreahSOOsqinplas Loading28on persq ft WeightiVdIba PowerQ-35 CAll hM Club Na C5E wins Writs tsr airs Isfonnailm Fill Elf $19995 Mslg fILM Partial $11595 inl ILK 712-943-4102 RIC EXTRAS RR No1 Box 28B Sergeant Bluff IA 51054 100erS yoUre Ogmil1IhI S &tc1PP Wayne Johansen TX commute West Africa 60 PIVOT PLUS too can know thrill precision pivotingwing roll control portable glider easily disassembles fits its 21/2x7x36 shipping box Now imagine same glider both hot aerobatic slope perfbrmer quickclimbing thermal champion has won handlaunch competitions features solidcore wings fiberglass U fuselage Imagine tiny giant looks performs like scale Windsong comes two wingspan options 60 72 Pivot Plus another innovative original concept Dodgson Designs Send 2 stamps complete catalog full information WIN OSONG CAMANO 1985 US 2-Meter Champion PIXY new PIVOT PLUS VHS 8mm video tape $25 VISA MASTER CHARGE now accepted Wind 19995 Cam 15995 Pixy 14995 Mv P1 7000 September 1986 37 NEWEST AIRPLANE fi full size Aerelsatlc World OP OR 6 C8 Sen6 jOG tO 4-Cycle Special MIRACLE GLOW PLUG totally new concept glow plug design Instead using idle bar MIRACLE PLUG built pre-combustion chamber important thing plug retains heat better other know Try . 4-cycle motor 2-cycle motor also will get smoother throttle response probably will able use less expensive low nitro fuel Tests also show reduced fuel consumption cases WARNING I! motor probably will idle faster re-set throttle . Otherwise might able land Hard believe . course check out MIRACLE PLUGJust case 40702 4-Cycle Glow Plug $275 outline Gently sand both polystyrene foam core balsa cover before glue together laminate foam balsa first apply epoxy has thinned methyl alcohol balsa Use light glass cloth laminate trailing edge shown plans Walt about 30 min allow alcohol evaporate place balsa-covered wing core plastic bag Expel alr balsa sheeting will adhere perfectly foam core pressure applied balsa should strong enough unevenesses polystyrene core will appear balsa surface After about 8 10 min remove wing panel plastic bag Sand wing surface trailing edge shape Glue leading edge end arch #38 andthehardwoodblock#41 landing gear place using epoxy Once epoxy has cured wing panels should sanded covered light fiberglass cloth similar way sheeting glued foam core order get smooth surface best use about poxy per wing panel Use lower pressure time though wing does become deformed vacuumizing should take about 10 hours time wing should removed allowed cure least another 24 hours After epoxy has thoroughly cured cut ailerons #39 out wing glue piece 5 x 5mm Q/16 sq leading edge aileron Shape part shown plans cover light fiberglass cloth Contour wing aileron wells accept ailerons perfect fit will obtained aileron front pressed wing kept until epoxy has completely cured aileron #39 should attached three hinges aileron pushrod #44 made 3mm -in music wire placed two plywood mounts P2 2mm z P3 3mm -in fitted aileron must move freely no slop piness Sand contacting surfaces both wing halves will butt against other along whole center profile maintaining correct dihedral Epoxy wing panels together dry stiffen trailing edge wing center 2mm QA2-in plywood #40 holes fastening wing screws Insert glue place wedge hard balsa duralumin tube #43 leading edge wing center cover coat light fiberglass cloth epoxy has cured cut out opening servo wing glue 2mm %2-in plywood plate mounting servo Tail surfaces UsingtheT andYtemplates cut core #34 polystyrene foam Butt-join both core halves cover 17mm 6-in balsa same way 38 Model Aviation NEW GREAT LAKES TRAINER T21A SPAN 64 115 SCALE SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST PO Box 566 Dept AM Auburn WA 98071 206 941-8248 Manufacturing Company 5305 Towson Avenue Fart Smith AR 72901 RAINBOW RUNNER 25 or 45 Gm PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 PRESENTIN FL INGER THE ULTIMATE SMALL SAILPLANE HANDLAUNCH HI-STARTorSLOPE WINGSPAN 57 WEIGHT l2oz MACHINECUT PARTS DEALERS&DIST INQUIRIES INVITEDFLINGER LJMP 110 $2995 ELECTRA L ITE-ICARUS-PANTERA- METEOR-ELECTRICUS-WHISTLER PR ELUDE-COMET LARRY JOLLY MODEL PRODUCTS 5501 W COMO SANTA ANA CALIFORNIA 92703 714 826 6861 wing Glue trailing edge tipsbends roundsharp bends will crack in place sand whole assembly andflight KY flFVI cover light fiberglass cloth shutoff mechanism should made in~ U. elevator #35 attached fourexactly shown plans main65 Ignition Approved hinges controlled 2mm QAz-inbodyisofaluminumangle lOx l5mmQA x brass lever #32 soldered place mounting plate both servos copper sheet two halves theis made 2mm QA2-in cuprextit glass 90 Day elevator joined 3mm Va-in steellaminate elevator rudder push-Warranty Graupner rope guide Twin Ball music wire #33 glued themrods aBearing fin rudder #29 30 arestiffened 15 mm V16-in steel wireCrank made 8mm Q/ia-in balsa shouldOn pushrod ends devises glued together now After shaping andball links profiling shown plans cover formers #2 7 between light fiberglass cloth rudder #30 isfuselage sides first Take care attached three hinges pushrodvertical fore aft axis Close attached its left sidefuselage sides rear up oblique Americas finest old-timer engine former #13 above up former Fuselage best prepare some the#17 below 2mm QA2-in balsa riginallr designed parts before beginning actual constructionstrips order avoid fuselage twisting Hassad & Havlik Cutoutallformers#23456and7Cutduring later stages lica engine out fuselage sides #1 8mm %- y has cured glue onic tuning ensures light balsa coverthem insideengine mount parts #8 9 betweencontinuous flow power through medium fiberglass clothformers #2 3 front part ed range Bolt together engine mounting blocksfuselage Next glue fuel tank between out green goodbye #8 pieces 10 x 12 x 235mm rmers 3 4 using resin glue Take headT&Ds replica x 1034-in hardwood Mount dura-good care tank outlets well ky Devil 65 luminstrips#9of6x lOx 115mmx3/sxglued former #3 Screw 1mm Aa 4-in size Insert fiberglass cloth betweenin steel wire Former 3 will $279 less coil cond & plug contact areas before screw to-release fuel tank pressure alif residents add 6% sales tax gether apply epoxyengine shut off Glue guide between RDER DIRECT fuel tank 110cm3 6 cu inFormers 3 4 will activate maximum capacity should constructedwire Next close front upper part theT&D RESEARCH AssocIATEs brass tin-plated steel sheet solderedfuselage up oblique former #13 371 El Cajon Blvd Suite 115 together Check leaks using syringewith balsa strips #10 11 Diego CA 92115 bending sheet make sure Continued page 135 I FOR BROCHURE September 1986 39 f 201 IE 12th Strait Puma. hash FL 22660 265-735-7073 ENGINEERING THE LANDING GEAR PEOPLE tired kit landIng lean den III year biggie property o & 0 Engiaeonng Ca salve veer pruhlewa * Caste built Ia year needs & specs geerenteed lit * Straug & datable wlthitoad toighoet leading * II & II Engiaeaniep gear will work & keep year biggie flylag * In stock replacement gear tar popular models Syria Pttta Cbnstea Eagle CAP 21 lalsa USA J-3 CIII Air Tech Pawnon end Eagle Macen Rig Slick Champ Citabria H & R models Soapper Stinger ned Supper Ten Consumers Guide Radio Control Products Its Listed THIRD Dont Need ItEDITION See hobby shop order dfrect $075 Price $795 plus $180 UPS total ngo air mail $1345 $795 plus *5501 U S dollars please Send Chock MO Credit Card info Consumers Guide 150 Off St Hmniaonhurg VA 22801 4340350 Name Address Charge Card No MC VISA CHOICE MasterCard lB # ______________________ Expiration Date ___________________________ Sinnpd 7 Model Magic Filler Balsa Foam & Fiberglasssands exactly like Balsa Super lightweight Superior adhesion Waterproof Nontoxic Use nicks gaps fillets fairings building up large areas 8 tI oz $595 retail Model Magic Epoxy Plus \\ 8 mm 25% lighter Sands & carves like Basswood \ Non sagging gap filling super strength Use anywhere atwo part epoxy used Sf1 oz $895 retail equal 8 ez regular epoxy shrink turn brittle used gasoline diesel offers clarity visual fuel flow Model Magic tubing remains flexible plasticizer migration foul engines exhibits outstanding tear abrasion resistence Tubing tinted red easy identification gasoline & diesel use Available 5ft $249/pkg Oft $479/pkg SOft spools $2190 Blue Gb-Fuel Tubing Made finest silicone tubing available Less 1% swelling after 150 hours 15%nitrofuel Available 21/2 5ft packages SOft spoi~ C9 / 4Red Gas & Diesel Tubing iModel Magic Gas & Diesel Fuel Tubing will swell fine products available ~~Model dealer direct Magic Products Inc PO Box 19784 St Paul MN 55119 715/425-1397 second wing believe has optional dihedral three four channels youll want different airfoil flat-bottomed anyway Goldberg also has Falcon 56 bit span Eagle 6-ft Senior Falcon Both planes can built optional dihedral plans have semi-sym metrical airfoils no harder fly much Eagle everything con sidered Theyll give aerobatics want possible wish within two sea sons before youd want build some ulti mate good idea observe general strivings some busy site noting good bad what like Case joint can get good guy help learn fly Eagle quickly youll save vast amount valuable time youll know whether youll still have interest radical ideas sure can make work must can take couple seasons fine-tune concepts experienced builder Painful Double-take Kaydet Sr almost ready cover suddenly realized wont fit car called Srull said Guess what wer Gosh never thought either Craig Hyon guys get driving licenses welcome struct elemental business gets plane flying site can take Bill Winter 4432 Altura Ct Fairfax VA 22030 Miss RJ/Malinas Continued page 39 Make sure stab #34 poly styrene foam fuselage top #14 cor rectly shaped glue fuselage sides After sanding fuselage top shown cover coat medium-weight fiberglass coat light fiberglass Sand smooth buttjoint fin #29 Re-check tightness fuel tank before closing front bottom fuselage apply 10mm 3A-in balsa strip between formers #3 4 Make notch 20mm Y16-in radius balsa strip tuned pipe Cover notch three coats medium fiberglass cloth Cover englne mount area same way engine cowl #27 should sanded balsa block carefully fiberglassed cowl held place screw Place servo rails #24 fuselage fix pushrod guides rudder elevator proper po sitions cover remainingpart lower fuselage rudder servo should located right viewed above rotated its leftmost position should activate engine shut off mechanism Check operation both servos carefullyboth rudder elevator should operate freely no lateral movement Attach wing fuselage using two 4nin-i Q/16-in wood screws screws thread part #23 made up two 6mm -in plywood layers glued between fuselage sides lead ing edge wing held place 8mm Q/16-in hardwood dowel inserted duralumin tube #43 1mm 2-in plywood wing fillet #21 fits between fuselage wing should glued fuselage wing bolted place assure fits tightly After dries glue re maining fillet parts #22 place sand wing fillet shape shown plans Glue polystyrene #19 wing bottom rear part fuselage sand accordingly Cover polystyrene parts coat medium coat light fiberglass cloth hardened attach tail wheel #31 rear fuselage glue 2mm Q/n-in cuprextit bracket wing attachment tuned pipe 4mm Q/16-in landing gear legs fixed hardwood blocks #41 sealed suitable product covered 1mm 2-in duralumin plates #42 bottom wing area smooth Sand fuselage correct shape cover two coats medium fiberglass cloth up front between Formers 2 4 coat medium fiber glass cloth over rest Cover em pennage wing fillets Continued page 139 September 1986 135 Building repairs snap Model Magic responding advertisers mention read about ModelAviation Miss RJ/Malinas Continued page 135 smooth After thorough sanding cover fuselage once light fiberglass cloth epoxy has hardened wetsand again fine sandpaper coat favorite finishing epoxy Take good care surface finish im perfect work will affect flying perform ance Trimming racing position center gravity GO quality construction weight should exceed 2200g ie 4 lb 14 oz empty fuel tank have decisive effect flying performance Needless say model must straight have ex cellent finish Prior first flight model should balanced CG corresponds plans radio system operations must checked check should re peated engine running full revs Trim model during first flight adjust pushrods after landing Carefully move CO during course further flights find position suits best control model model naturally responsive rudder elevator movements CG moved backwards vice versa well-tested trimmed model should always slightly nose heavynever reverse main purpose test flying find optimum CO best combination rudder elevator aileron travel limits used Modela MVVS 65 ORRT engine MVVS tuned exhaust turns 200 x 150mm prop 21000 22000 revs ground Never use plastic prop Sooner later likely tear apart resulting vibration will damage destroy model engine Use turned metal spinner must run true Should disturbing vibrations occur stop flying immediately try find cause fly model again until determination made may well lead crash common causes vibration loose unbalanced prop loose engine mounting screws loose wheel landing gear leg imperfect match ing wing fuselage Vibrations represent serious threat Pylon Racing model also damage servosthe durability limited During test flying try practice serious ly mechanic Fly Pylon race course Random flying open sky has no purpose hazardous test flight should much longer competition flight Never forget about safety F3D model flying especially ex hausting pilot best effective test fly often least once week weather reasonable number takeoffs Check model carefully after flight Clean good cleaner preserve pro tective wax Radio Technique/Myers Continued page 41 old even-numbered frequencies look CoxlSanwa 8016 test results above should convince that receiver implication its matched transmitter must considerably off frequency respond soweiltoasignal 10kHz awayfromthenominal value crystal Since crystals accuracyof00l%725 Hz easilyobtain able today transmitters plug-in crystals use fixing part problem should quite easy meeting hobby industry representa tives called Toledo Frequency Committee Chairman Fred Masks discuss problem crossover users specifically car boat operators using aircraft frequencies thing revealed meeting arent ones upset misuse frequencies Several useful suggestions developed obvious major sales outlets want cooperate program educate hoped control abusers ofthe RC operating privilege Expect start seeing labels transmitters specifying what used surface-only alrcraft-only About scanners July issue has out couple weeks have swamped calls about scanners Please con tact District Frequency Coordinator borrow scanner assigned AMA district can learn lot way subject take out July 1986 issue ModelAviation turn page 36 correct George Wilsons address 82 Frazier Way Marstons Mills MA 02648 lieve two calls came because moved published address About RF modems Recently received package literature Mr GF Vargo VP Engineering EST Kennewick WA 99336 manufacturers ESTeem wireless modem Mr Vargo explains ESTeem Wireless Modem .licensed under Part 90 Subpart K FCC regulations. .the RE modem market aware Further ESTeem modem .utilizes digital phase lock loop conjunction synthesizer frequency generation frequencies start 72040 continue 72960 40 kHz steps. ESTeem brochure gleaned information receiver works 12 VDC uses dual conversion has sensitivity five micro-volts information presented reply column noted press release another magazine quoted use both odd- even-numbered RC frequencies doubted May 86 could case Mr Vargos letter continues .To insure modem users aware possible conflicts RC modeler note stating fact displayed transmitter receiver frequen cy-select charts ESTeem Operating Man ual encouraging non-usage 6 RC frequencies copy page manual included shared channels marked exactly claims Im sure know ESTeem under no obligation us .the ESTeem does use new channels assigned RC modelers Continued page 142 DIA 6 7 8 8* 9 10 10 11 11 11 * 12 13 14 15 16 3 4 28 3 3* 4 5 6 3 3&3/4 4 5 6 8 4 5 6 6* 7 4 5 6 8* 7 7* 4 5 66W 6* 78W 6EW 4 6 7 7* 7* 7&3/4 8 6EW 6 7 4W 5 5W 6 5 6 5 6 5 6 6 78 FOUR-CYCLE TAILORED HELICAL PITCH 126 6* 7 7* 8 136 7 7*8 146 7 7*8 1567 16678 PRICE $149 $179 $189 $199 $199 $209 $219 $229 $239 $239 $279 $359 $459 $659 $949 $299 $389 $489 $689 $989 PYLON RACING 75N 5*N* 8&3/46* 6&3/4 7 7* 7&3/4 97 7* 7&3/4 W Wklebiade EW EzLFo wide N $279 $289 $289 Narrow SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES COMPLETE INVENTORY OF CUSTOM & STOCK PARTS OLD TIMER SUPPLIES CARBON FIBER COILS CONDENSERS SILK TRANSISTOR IGNITION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES NE WI! 1/2A PLAYBOY SR FOR 1/2A TEXACO RIC FF ELECTRIC OR SPORT KIT $2995 ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRIES INVITED ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX September 1986 139 OUR INVENTORY AVERAGES OVER 8000 PROPSIII SPECIAL PRO SERIES PITCH

NO OCR TEXT NO OCR TEXT cant remember idea try Pylon Racing knew about existed US popular number years After some research discovered Pylon Races being run Europe well particularly Sweden West Germany Great Britain Hungary obtained plans very successful American model Bob Cat Bob Violet installed Czechoslo vakian MVVS 65/F engine intended mainly use F3A Pattern time best engines its category satisfied racing times about 230 times under two minutes common elsewhere Eu rope Undaunted continued practice end 1975 flew best time 215 felt due mostly improved piloting skills still good enough lengthy period research technical information exchanges fellow Czechoslovakian Pylon Racers still practice followed Several years passed combined knowledge skills increased racing times also improved early 1 980s becoming apparent Czechoslovakian FM Pylon Racing teams group 30 Model Aviation Left Front view shows bottom part Miss RJ engine end tuned pipe removed Landing gear attached wing heip two duraiumin sheets Right MWS 65 GRRT engine fitted tuned pipe attached fuseiage steel sleeve slides freely exhaust outiet adapter 200 x 150mm fibergiass prop hub covered 40mm duraiumin spinner Left Detail view shows ruddercontroi wire coming through exitguide Tali wheei made hard rubber Right Two Futaba servos inside M isa RJ fuselage controi sievator rudder extreme ieft end rudder servo travei trips engine shutoff mechanism Two air intake openings visible view above ouraiumin spinner pro vides air carburetor Another front part cowi forcooiing cyiinder BALSALIiILL miss RJ DESIGb/~1D BY NIL Q5 AND ZDEHK I4ALINA N BALSA LE NA 1 BALSA SHEET A 5AEET SlYRENE FOAM cc~c 4 - -x - BALSA BALSA A N SOLID BALSA TIP HARDWCDO LANDING GEAR BLOCK METAL SPI NNER / I 3 ALUMINUM N j.1c4MRIWCOO xx4LUMINUM LSA BLOCK 7 N F Z- STREAMLINE WHEEL ALSA C c D-D GLASS F905 000028* 44 WI__ OLYSr 02040 H- 8*40]Ii___ \_ srccz *9190 C-CB-h 4-A P6 -4 2j -Rd 4A7 --41-PLJELAGE SIDE L Ii,U Ijiioj{zo -ir 7J ---1------ 1 IIi 1~~IIj1I ____ ______________________IIII 9-A Ic-------1Id-4 - h- i I 14 _ _ -I- ___ 25 1 i4 tWO 012 GO2ALI0994224_____ 9 WQALLJO4N 6 10PS BEECH 9012 777C7 *44 __-OFF- 0____ I0200 I FL9ELFANO4ii 108806 I H H 90T90204 2026, *702115 64012 THREADS FOR 010018 00/10SWORE STEF~GR09WGtLL/010 0149902 srEEL WooEr 02 aLGOl OFF L/01EWRALLO101WING 2090 EJIPNNAGE COVER 17 A LiGHT GLASS FIBEG CLOTH 20 lOLL/PR44 ho IDEII B So 10 EWWURO01EWTA 200/AL H LEFT I / w,1GI lI~I lili 2/tB 0404L201/ L- AIL 5505 LOWG misS 01922LL11519P2 l,31009- WIRE 22WING COGE EFIPIATSS PAGE 2 FUSELAGE TPk VIEW I 2I2 5 0 02011 OJRALU01IOI 42*202 32 Model Aviation Full-Size Plans Available. See Page 170 0/SAUlnH-H 2 BAEF ___Cl o7] 1 LL H / ___I__ I_ 4II 17 B S PS Cs 1 2*SEQ VOS /2545/ OUTLINESIDES HurLs-s ass A/ZCOIZD51E TO 505905 USED IL-CON/ES --------0105/.ENsorG II II I Ii IIj --I4-I II rh1p - hi r ___LL I________ BJLYSTYBET4E BALK_______ OUrLINEh TET4PUATE T OF TIlE STABILIZESd Iz 1955 t1ATIAL B BALSA P OOD ISA/s ToP 6 eorro TED 10TH LIGHTh SE DBSE CLOTHd DEBDEATH THE BALSATEMPLATE Z FOLYSTYEEHE BALESO h d TEPIPLATE X KAI/0 0424456542 / 590ALL TIEASLISES/E15/S IN flflLIflrrrQs S ross /0 BE OSILLSO Our$0I ALLE/IIATL4ISJ DUSAL//NIN 150 25 31 --A S/EEL 951540 95 Cr9/rOn WI/BLED WOUND AlSO SOLDESSO SLID/OS T LAT/IHATCO ON BOTH SIDES UNDW545IEATH THE COVES BEsS T 3 15 DJT DEFIES 11550 SrESL I90IZES SON W/H 5165 02 ESsopENsh CO1E1IDSO*0/- lstpDOO 50/ 054 TBSs4aCESEh S/pEa /nTsnIEUoI-n/ /50050 DOS 50150/ ltalq 4 alpos. CONOPDSS/O N9 CDDIC&O TOE/a sSphso kVs-I-okornl 01/0155 Pro tEDS/El CDE5 4 INIS-rIoTIsro/ 550250 DOs 50EFt fto/q 451540 U-/S-nStosss/ SOP WITH TSOPHI SEp Ito/p 4 S5pDs 1955 CVSO5NpISVI5NIp OISEVD 1tpDa 1N/O/T5OC5IEII S/EDO OTIs CBS/a CSsI 5504000/ ITHETTDUDNEI 4 A/DOs 1501-0/ CI50IO/POTE1/IF LI 45/ 5025 OC IIOOEL OF P30 CAT000Y FOG PYLON GACIPIG miss R J W/10 SPAN 300mm WEIGI-lr 2W LENOTN 1050 mm ENGINE Ill/VS E5 PEST OESIONEO BY I1ILO AND ZDE/1EK PAL/NA PAGE 1 30 BA Os September 1986 33 taken seriously 1983 efforts rewarded won pres tigious Trofeo OPS race Italy fast time 125 Two weeks later Grand Prix Modela race fortunate win again time over 80 best Pylon Racing teams Europe end 1984 learned first World Championship F3D would take place cradle Pylon Racing USA immediately awoke lethargy slowly creeped over us past months last chance encounter best fliers world Secretly hoped whole Czech oslovakian national team would go US time hopes melted away mere coincidence Ma linas would attend World Champs supposed represent whole lot Czech fliers stay home USA us high temperatures humidity New York airport discomfitting fact box containing models lost enroute can still remember stood helplessly airport terminal trying locate lost model box no success finally left airport models after three hours fruitless waiting spent next three days New York desperate mood before model box finally found can trust us say wait ing very unpleasant time us Another unpleasant discovery would able use old Futaba RC set contest due its 27 MHz frequency Fortunately guardian angel Bob Wallace loaned us sons RC set 72 MHz frequency set unfortunately different control travel limits practicing very successful Milos nervous unsatisfied used RC set complained models response control inputs satisfying radius turns increased despite adjustments model transmitter situation did improve much no other choice therefore expected per formance first World Champs would less hoped used best engine equipped best tuned exhaust pipe also well-proven prop Still test flights very poor much worse usual clockings home disappointment us also others mainly Bob Wallace friend Don Mc Stay watched practicing Rocky Hill flying field Connecticut 34 Model Aviation Wing half made up two pieces 0 poly styrene cut templates Butt-join two pieces before covering sheet balsa Dull-joined wing parts covered bal sa Smooth joint lightly sandpaper covered wIth 17mm 1/16-in balsa one-piece balsa cover foam core epoxy glue diluted 1-to-i methyl alcohol use fine sandpaper planethat started itall BobCat replica oftheTelford/ViOletwinner Malinasand Czechoslovakias first Pylon model Todays rules require scalelike planesthan day spent lot time trying figure out what wrong could identify anything lay blame Alls well ends well Toward end contest Milos calmed himself started fly used doing home last Zdenek succeeded tuning engine correctly decisive won FAT World Championships two happiest Pylon Racers earth tried make best week before contest program clear would closely watch best Americans flying AMA Nationals Formula 1 event mornings spend afternoons practicing modeling air port Rocky Hill safe side practiced both models spare Shark model little slower unbelievably reliable put aside gcod feeling competitive backup should Miss RI fail Things never seemed go entirely smooth us though end week just before start compe tition crack developed best tuned pipe attempted repair pipe ruptured again after two flights things began get worse span afternoon lost almost spare tuned pipes never en countered such problem before no idea what werent sure cause problem soon discovered best engine de veloped excessive vibration pipe fitted ruptured after few flights Bob Wallace never too far away saw troubles understood look face came tell us World Champs competitor would have fly 14 rounds What could Never before flown seven flights contest rules could accept important information deter mined future tactics team would become World Champions would have fly well throughout rounds mental determination would have remain unshakable throughout mar athon race Consistency major goal Therefore fitted model spare engine highrevving original very reliable very tight piston/cylinder fit would give better chance lasting through 14 rounds flew couple test flights no cracked pipes engine started reliably ran con sistently thing left finetune length pipe choose right compression ratio depend much atmosphere though would have left until just before start contest contest officially opened August 4 entire first day devoted official practice did use chance although later would need used working adjusting checking during practice condi tions doing such things race site didnt seem good us did think wise just fly around risk possible destruction model also did want torture engine such grueling racing schedule still come Most other participants race officials could understand behavior learned later did take explanation seriously used practicing day own way though spent time watching other fliers Australians seemed best very tight spirited team Brit ish well Americans flying very fast best Americansuperstar American Formula 1 racing David Shadeldispelled doubts FAT Pylon know-how disappointed Cana dians especially Italians knew well European contests form did arrive late nervous did Continued page 36 September1986 35 Iuvr wing uuruce WITfl 8 iignt riergiass cloth Adding color laminating resin wiii cut down paint weight iater Cm starting iine 195 European Championships Zdenek holds Miss RJ whiie Milos prepares start engine Malinas have European victories credit PRACTICAL SIZED GIANT SCALE MODELS NICK ZIROLI Jets too FibernInt t2nwlings Canopies Available Plans sent Post-Paid within USA Send 5O Full Catalog Balsa Dc-31W 1i40 span$4200 F4UCORSAIR2W 193Span$3000 A6M5ZERO2A 191 Span$3000 cuRTI5P402A194 Span$3000 AT-STExAN241101Span$3000 P8FBEARCAr2A 186 Span$3000 FOKKER DR-i27183 Trips$2700 Nick Ziroli 29 Edgar Dr Smithtown NY 11787 USA Plans RK-20 RK-740 Ducted Fans Phantom35 span$1000 Viggen32 span$1000 F-iS36 span$1000 Plan canopy$1500 516-234-5038 Gone forever nightmare hel i-flier dreads stepping 3 foot tenna ripping off front prized chopper just its ready fly Base loaded short WHIP ANTENNA gives hidden performance Less 7 long can mounted project front helicopter inside canopy virtually invisible 23961 CnAFTSMAN RD CALABASAS CA 91302 818 992-0195 GORaM MOOE PRODUCTS 218 VERNON ROAD GREENVILLE PA 16125 412 588-1321 talk much flew couple very satisfying practice flights end practice day decided leave till tomorrow arrived contest site early next morning Bob Wallace began fine-tune Miss RI attempted find right compression ratio tuned pipe length could seem hit upon correct combination engine definitely turning its highest revs about began question decision sit out practice day Finally tried reducing prop di ameter much time gone first race officials contestants began appear CD soon prohibited additional practicing safety reasons nothing else us wait out felt engine running well reliable also felt capable turning higher rpm decided hold out last possible adjustment shortening tuned pipe minimum until after first round Finally luck started run way landed end heat matrix first round gave us chance watch competitors fly know what kind times beat times fast during practice helped calm us still very nervous first takeoff What would time cant know happy after DYNATHRUST PROPS look great too! ALL FUTURE PRODUCTION ON ALL SIZES WILL HAVE LOGO AND TIPS PAINTED SIZES CURRENTLY AVAILABLE 13x6 8-840015x6 8-$70018x6 810-8100022x8 10- $1800 14 x 6 8-850016 X 6 8- 880020 x 6 810 -$1400AdditianalSizeaAvadaableSaen S speakers announced taken lead best time 1246 first round great know flying full speed still some engine tuning reserve next round shortened pipe about 4mm cut time 1229 Without further hesitation shortened pipe its minimum last engine running full revs time following rounds around 1 20confirmed right Soon gap began develop between us other competitors became quiet happened seventh round Zdenek careful enough tail struck foot during release model did take off received zero score blood froze knew could make mistakes As result began fly conservatively Luckily could afford lead 14 seconds over closest competitor knew needed finish remaining rounds average times last flight also last heat entire World Championships Therefore uncettain until last moment would World Champions though would take time 137 us win no could imagine nervous both before last takeoff did exchange single word realized little stood betweenus title yet Kieeb R/C Idle-Bar Glow Plugs Long Short Only $1 o Also. Traditional line non-idle bar Glow Plugs Six Types 3 Heat Ranges High Performance Glow Element Blow Proof Seal Only $129 Swanson Associates PO Box 151Sne r948 Wayne NJ 07470 36 Model Aviation 4 Order Whip Antenna Gives Hidden Performance 2541 N E 11th Court ano Beach Florida 33062 e 305 941-9119 AVAILABLE FROM LEADING DEALERS AND DISTRUBUTORS DIRECT Ip.- tiniest mistake malfunction would mean defeat engine started perfectly held model second after starter dropped flag just avoid risk takeoff collision flight went smoothly thus became first World Champions FAA F3D Pylon Racing stress over first time two days able relax smile thrilled fellow com petitors joined us celebrating victory shall never forget moments full genuine friendship Americans organized World Championship top level highly professional perfect organizing staff led uncompro mising Contest Director Wayne Yeager entire organization excellent last both us chance personally meet such notables Bill Wis niewski John Worth John Grigg Jim Shinohara Dave Shadel Cliff Telford others 20 beautiful days spent US brought home best thing memories Building Instructions Miss RI replica actual P-S iD Mustang required FAI F3D regulations races similar full-size closed course aircraft chosen mainly its suitable portions shape lieve close ideal F3D construction based previous PRODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * Tuned Pipes led Tuned Pipes * Headers Venturi Mufflers * Expansion Mufflers copter Ball Mufflers ialized Exhaust Systems Unsurpas OUT OF AFRICA -- PIVOT PLUS C 0 21230 DAMSON ROAD BOTHELL WA98o21iif well-tried Lotus Pink Panther models construction details have carried over no changes model has very forgiving flying characteristics spite suitable beginners little RC experience Needless say model must built fair amount care exactness Bear mind model can reach speeds over 150 mph horizontal flight subject considerable stress turns Therefore recommend construction changes especially rela tive strength model may suffer structural failure turns Nevertheless comparison rivals model can considered very simple Wing core should cut poly styrene foam specific weight should exceed 15 kg/m3l lb/ft3 wing composed four basic parts First cut off both central parts #36 left right using X Y templates trailing edge should twisted negatively per Z template about 5mm out pre-cut outer parts #37 will buttjointed central parts #36 using epoxy Use 17 mm ha-in balsa covering wing balsa part covering should glued together ad vance have one-piece sheets slightly larger half wing Continued page 38 EXTRA 230 Featured May 86 ModelAvzatzon New Avullabls tt Scale Span96in Length72 AreahSOOsqinplas Loading28on persq ft WeightiVdIba PowerQ-35 CAll hM Club Na C5E wins Writs tsr airs Isfonnailm Fill Elf $19995 Mslg fILM Partial $11595 inl ILK 712-943-4102 RIC EXTRAS RR No1 Box 28B Sergeant Bluff IA 51054 100erS yoUre Ogmil1IhI S &tc1PP Wayne Johansen TX commute West Africa 60 PIVOT PLUS too can know thrill precision pivotingwing roll control portable glider easily disassembles fits its 21/2x7x36 shipping box Now imagine same glider both hot aerobatic slope perfbrmer quickclimbing thermal champion has won handlaunch competitions features solidcore wings fiberglass U fuselage Imagine tiny giant looks performs like scale Windsong comes two wingspan options 60 72 Pivot Plus another innovative original concept Dodgson Designs Send 2 stamps complete catalog full information WIN OSONG CAMANO 1985 US 2-Meter Champion PIXY new PIVOT PLUS VHS 8mm video tape $25 VISA MASTER CHARGE now accepted Wind 19995 Cam 15995 Pixy 14995 Mv P1 7000 September 1986 37 NEWEST AIRPLANE fi full size Aerelsatlc World OP OR 6 C8 Sen6 jOG tO 4-Cycle Special MIRACLE GLOW PLUG totally new concept glow plug design Instead using idle bar MIRACLE PLUG built pre-combustion chamber important thing plug retains heat better other know Try . 4-cycle motor 2-cycle motor also will get smoother throttle response probably will able use less expensive low nitro fuel Tests also show reduced fuel consumption cases WARNING I! motor probably will idle faster re-set throttle . Otherwise might able land Hard believe . course check out MIRACLE PLUGJust case 40702 4-Cycle Glow Plug $275 outline Gently sand both polystyrene foam core balsa cover before glue together laminate foam balsa first apply epoxy has thinned methyl alcohol balsa Use light glass cloth laminate trailing edge shown plans Walt about 30 min allow alcohol evaporate place balsa-covered wing core plastic bag Expel alr balsa sheeting will adhere perfectly foam core pressure applied balsa should strong enough unevenesses polystyrene core will appear balsa surface After about 8 10 min remove wing panel plastic bag Sand wing surface trailing edge shape Glue leading edge end arch #38 andthehardwoodblock#41 landing gear place using epoxy Once epoxy has cured wing panels should sanded covered light fiberglass cloth similar way sheeting glued foam core order get smooth surface best use about poxy per wing panel Use lower pressure time though wing does become deformed vacuumizing should take about 10 hours time wing should removed allowed cure least another 24 hours After epoxy has thoroughly cured cut ailerons #39 out wing glue piece 5 x 5mm Q/16 sq leading edge aileron Shape part shown plans cover light fiberglass cloth Contour wing aileron wells accept ailerons perfect fit will obtained aileron front pressed wing kept until epoxy has completely cured aileron #39 should attached three hinges aileron pushrod #44 made 3mm -in music wire placed two plywood mounts P2 2mm z P3 3mm -in fitted aileron must move freely no slop piness Sand contacting surfaces both wing halves will butt against other along whole center profile maintaining correct dihedral Epoxy wing panels together dry stiffen trailing edge wing center 2mm QA2-in plywood #40 holes fastening wing screws Insert glue place wedge hard balsa duralumin tube #43 leading edge wing center cover coat light fiberglass cloth epoxy has cured cut out opening servo wing glue 2mm %2-in plywood plate mounting servo Tail surfaces UsingtheT andYtemplates cut core #34 polystyrene foam Butt-join both core halves cover 17mm 6-in balsa same way 38 Model Aviation NEW GREAT LAKES TRAINER T21A SPAN 64 115 SCALE SEND $200 FOR COMPLETE CATALOG OF FINE KITS IKON NWST PO Box 566 Dept AM Auburn WA 98071 206 941-8248 Manufacturing Company 5305 Towson Avenue Fart Smith AR 72901 RAINBOW RUNNER 25 or 45 Gm PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 PRESENTIN FL INGER THE ULTIMATE SMALL SAILPLANE HANDLAUNCH HI-STARTorSLOPE WINGSPAN 57 WEIGHT l2oz MACHINECUT PARTS DEALERS&DIST INQUIRIES INVITEDFLINGER LJMP 110 $2995 ELECTRA L ITE-ICARUS-PANTERA- METEOR-ELECTRICUS-WHISTLER PR ELUDE-COMET LARRY JOLLY MODEL PRODUCTS 5501 W COMO SANTA ANA CALIFORNIA 92703 714 826 6861 wing Glue trailing edge tipsbends roundsharp bends will crack in place sand whole assembly andflight KY flFVI cover light fiberglass cloth shutoff mechanism should made in~ U. elevator #35 attached fourexactly shown plans main65 Ignition Approved hinges controlled 2mm QAz-inbodyisofaluminumangle lOx l5mmQA x brass lever #32 soldered place mounting plate both servos copper sheet two halves theis made 2mm QA2-in cuprextit glass 90 Day elevator joined 3mm Va-in steellaminate elevator rudder push-Warranty Graupner rope guide Twin Ball music wire #33 glued themrods aBearing fin rudder #29 30 arestiffened 15 mm V16-in steel wireCrank made 8mm Q/ia-in balsa shouldOn pushrod ends devises glued together now After shaping andball links profiling shown plans cover formers #2 7 between light fiberglass cloth rudder #30 isfuselage sides first Take care attached three hinges pushrodvertical fore aft axis Close attached its left sidefuselage sides rear up oblique Americas finest old-timer engine former #13 above up former Fuselage best prepare some the#17 below 2mm QA2-in balsa riginallr designed parts before beginning actual constructionstrips order avoid fuselage twisting Hassad & Havlik Cutoutallformers#23456and7Cutduring later stages lica engine out fuselage sides #1 8mm %- y has cured glue onic tuning ensures light balsa coverthem insideengine mount parts #8 9 betweencontinuous flow power through medium fiberglass clothformers #2 3 front part ed range Bolt together engine mounting blocksfuselage Next glue fuel tank between out green goodbye #8 pieces 10 x 12 x 235mm rmers 3 4 using resin glue Take headT&Ds replica x 1034-in hardwood Mount dura-good care tank outlets well ky Devil 65 luminstrips#9of6x lOx 115mmx3/sxglued former #3 Screw 1mm Aa 4-in size Insert fiberglass cloth betweenin steel wire Former 3 will $279 less coil cond & plug contact areas before screw to-release fuel tank pressure alif residents add 6% sales tax gether apply epoxyengine shut off Glue guide between RDER DIRECT fuel tank 110cm3 6 cu inFormers 3 4 will activate maximum capacity should constructedwire Next close front upper part theT&D RESEARCH AssocIATEs brass tin-plated steel sheet solderedfuselage up oblique former #13 371 El Cajon Blvd Suite 115 together Check leaks using syringewith balsa strips #10 11 Diego CA 92115 bending sheet make sure Continued page 135 I FOR BROCHURE September 1986 39 f 201 IE 12th Strait Puma. hash FL 22660 265-735-7073 ENGINEERING THE LANDING GEAR PEOPLE tired kit landIng lean den III year biggie property o & 0 Engiaeonng Ca salve veer pruhlewa * Caste built Ia year needs & specs geerenteed lit * Straug & datable wlthitoad toighoet leading * II & II Engiaeaniep gear will work & keep year biggie flylag * In stock replacement gear tar popular models Syria Pttta Cbnstea Eagle CAP 21 lalsa USA J-3 CIII Air Tech Pawnon end Eagle Macen Rig Slick Champ Citabria H & R models Soapper Stinger ned Supper Ten Consumers Guide Radio Control Products Its Listed THIRD Dont Need ItEDITION See hobby shop order dfrect $075 Price $795 plus $180 UPS total ngo air mail $1345 $795 plus *5501 U S dollars please Send Chock MO Credit Card info Consumers Guide 150 Off St Hmniaonhurg VA 22801 4340350 Name Address Charge Card No MC VISA CHOICE MasterCard lB # ______________________ Expiration Date ___________________________ Sinnpd 7 Model Magic Filler Balsa Foam & Fiberglasssands exactly like Balsa Super lightweight Superior adhesion Waterproof Nontoxic Use nicks gaps fillets fairings building up large areas 8 tI oz $595 retail Model Magic Epoxy Plus \\ 8 mm 25% lighter Sands & carves like Basswood \ Non sagging gap filling super strength Use anywhere atwo part epoxy used Sf1 oz $895 retail equal 8 ez regular epoxy shrink turn brittle used gasoline diesel offers clarity visual fuel flow Model Magic tubing remains flexible plasticizer migration foul engines exhibits outstanding tear abrasion resistence Tubing tinted red easy identification gasoline & diesel use Available 5ft $249/pkg Oft $479/pkg SOft spools $2190 Blue Gb-Fuel Tubing Made finest silicone tubing available Less 1% swelling after 150 hours 15%nitrofuel Available 21/2 5ft packages SOft spoi~ C9 / 4Red Gas & Diesel Tubing iModel Magic Gas & Diesel Fuel Tubing will swell fine products available ~~Model dealer direct Magic Products Inc PO Box 19784 St Paul MN 55119 715/425-1397 second wing believe has optional dihedral three four channels youll want different airfoil flat-bottomed anyway Goldberg also has Falcon 56 bit span Eagle 6-ft Senior Falcon Both planes can built optional dihedral plans have semi-sym metrical airfoils no harder fly much Eagle everything con sidered Theyll give aerobatics want possible wish within two sea sons before youd want build some ulti mate good idea observe general strivings some busy site noting good bad what like Case joint can get good guy help learn fly Eagle quickly youll save vast amount valuable time youll know whether youll still have interest radical ideas sure can make work must can take couple seasons fine-tune concepts experienced builder Painful Double-take Kaydet Sr almost ready cover suddenly realized wont fit car called Srull said Guess what wer Gosh never thought either Craig Hyon guys get driving licenses welcome struct elemental business gets plane flying site can take Bill Winter 4432 Altura Ct Fairfax VA 22030 Miss RJ/Malinas Continued page 39 Make sure stab #34 poly styrene foam fuselage top #14 cor rectly shaped glue fuselage sides After sanding fuselage top shown cover coat medium-weight fiberglass coat light fiberglass Sand smooth buttjoint fin #29 Re-check tightness fuel tank before closing front bottom fuselage apply 10mm 3A-in balsa strip between formers #3 4 Make notch 20mm Y16-in radius balsa strip tuned pipe Cover notch three coats medium fiberglass cloth Cover englne mount area same way engine cowl #27 should sanded balsa block carefully fiberglassed cowl held place screw Place servo rails #24 fuselage fix pushrod guides rudder elevator proper po sitions cover remainingpart lower fuselage rudder servo should located right viewed above rotated its leftmost position should activate engine shut off mechanism Check operation both servos carefullyboth rudder elevator should operate freely no lateral movement Attach wing fuselage using two 4nin-i Q/16-in wood screws screws thread part #23 made up two 6mm -in plywood layers glued between fuselage sides lead ing edge wing held place 8mm Q/16-in hardwood dowel inserted duralumin tube #43 1mm 2-in plywood wing fillet #21 fits between fuselage wing should glued fuselage wing bolted place assure fits tightly After dries glue re maining fillet parts #22 place sand wing fillet shape shown plans Glue polystyrene #19 wing bottom rear part fuselage sand accordingly Cover polystyrene parts coat medium coat light fiberglass cloth hardened attach tail wheel #31 rear fuselage glue 2mm Q/n-in cuprextit bracket wing attachment tuned pipe 4mm Q/16-in landing gear legs fixed hardwood blocks #41 sealed suitable product covered 1mm 2-in duralumin plates #42 bottom wing area smooth Sand fuselage correct shape cover two coats medium fiberglass cloth up front between Formers 2 4 coat medium fiber glass cloth over rest Cover em pennage wing fillets Continued page 139 September 1986 135 Building repairs snap Model Magic responding advertisers mention read about ModelAviation Miss RJ/Malinas Continued page 135 smooth After thorough sanding cover fuselage once light fiberglass cloth epoxy has hardened wetsand again fine sandpaper coat favorite finishing epoxy Take good care surface finish im perfect work will affect flying perform ance Trimming racing position center gravity GO quality construction weight should exceed 2200g ie 4 lb 14 oz empty fuel tank have decisive effect flying performance Needless say model must straight have ex cellent finish Prior first flight model should balanced CG corresponds plans radio system operations must checked check should re peated engine running full revs Trim model during first flight adjust pushrods after landing Carefully move CO during course further flights find position suits best control model model naturally responsive rudder elevator movements CG moved backwards vice versa well-tested trimmed model should always slightly nose heavynever reverse main purpose test flying find optimum CO best combination rudder elevator aileron travel limits used Modela MVVS 65 ORRT engine MVVS tuned exhaust turns 200 x 150mm prop 21000 22000 revs ground Never use plastic prop Sooner later likely tear apart resulting vibration will damage destroy model engine Use turned metal spinner must run true Should disturbing vibrations occur stop flying immediately try find cause fly model again until determination made may well lead crash common causes vibration loose unbalanced prop loose engine mounting screws loose wheel landing gear leg imperfect match ing wing fuselage Vibrations represent serious threat Pylon Racing model also damage servosthe durability limited During test flying try practice serious ly mechanic Fly Pylon race course Random flying open sky has no purpose hazardous test flight should much longer competition flight Never forget about safety F3D model flying especially ex hausting pilot best effective test fly often least once week weather reasonable number takeoffs Check model carefully after flight Clean good cleaner preserve pro tective wax Radio Technique/Myers Continued page 41 old even-numbered frequencies look CoxlSanwa 8016 test results above should convince that receiver implication its matched transmitter must considerably off frequency respond soweiltoasignal 10kHz awayfromthenominal value crystal Since crystals accuracyof00l%725 Hz easilyobtain able today transmitters plug-in crystals use fixing part problem should quite easy meeting hobby industry representa tives called Toledo Frequency Committee Chairman Fred Masks discuss problem crossover users specifically car boat operators using aircraft frequencies thing revealed meeting arent ones upset misuse frequencies Several useful suggestions developed obvious major sales outlets want cooperate program educate hoped control abusers ofthe RC operating privilege Expect start seeing labels transmitters specifying what used surface-only alrcraft-only About scanners July issue has out couple weeks have swamped calls about scanners Please con tact District Frequency Coordinator borrow scanner assigned AMA district can learn lot way subject take out July 1986 issue ModelAviation turn page 36 correct George Wilsons address 82 Frazier Way Marstons Mills MA 02648 lieve two calls came because moved published address About RF modems Recently received package literature Mr GF Vargo VP Engineering EST Kennewick WA 99336 manufacturers ESTeem wireless modem Mr Vargo explains ESTeem Wireless Modem .licensed under Part 90 Subpart K FCC regulations. .the RE modem market aware Further ESTeem modem .utilizes digital phase lock loop conjunction synthesizer frequency generation frequencies start 72040 continue 72960 40 kHz steps. ESTeem brochure gleaned information receiver works 12 VDC uses dual conversion has sensitivity five micro-volts information presented reply column noted press release another magazine quoted use both odd- even-numbered RC frequencies doubted May 86 could case Mr Vargos letter continues .To insure modem users aware possible conflicts RC modeler note stating fact displayed transmitter receiver frequen cy-select charts ESTeem Operating Man ual encouraging non-usage 6 RC frequencies copy page manual included shared channels marked exactly claims Im sure know ESTeem under no obligation us .the ESTeem does use new channels assigned RC modelers Continued page 142 DIA 6 7 8 8* 9 10 10 11 11 11 * 12 13 14 15 16 3 4 28 3 3* 4 5 6 3 3&3/4 4 5 6 8 4 5 6 6* 7 4 5 6 8* 7 7* 4 5 66W 6* 78W 6EW 4 6 7 7* 7* 7&3/4 8 6EW 6 7 4W 5 5W 6 5 6 5 6 5 6 6 78 FOUR-CYCLE TAILORED HELICAL PITCH 126 6* 7 7* 8 136 7 7*8 146 7 7*8 1567 16678 PRICE $149 $179 $189 $199 $199 $209 $219 $229 $239 $239 $279 $359 $459 $659 $949 $299 $389 $489 $689 $989 PYLON RACING 75N 5*N* 8&3/46* 6&3/4 7 7* 7&3/4 97 7* 7&3/4 W Wklebiade EW EzLFo wide N $279 $289 $289 Narrow SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES COMPLETE INVENTORY OF CUSTOM & STOCK PARTS OLD TIMER SUPPLIES CARBON FIBER COILS CONDENSERS SILK TRANSISTOR IGNITION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES NE WI! 1/2A PLAYBOY SR FOR 1/2A TEXACO RIC FF ELECTRIC OR SPORT KIT $2995 ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD VISA & MASTERCARD WELCOME DEALER INQUIRIES INVITED ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX September 1986 139 OUR INVENTORY AVERAGES OVER 8000 PROPSIII SPECIAL PRO SERIES PITCH