IN THE WORLD full-size aerobatics biplane can hold its own against best monoplanes No air show would complete least biplane performing small area right front spectators model world unlikely biplane would competitive contests although judges would probably appreciate change watching same type model hours end display work pure fun flying biplane Control Line Stunt model perfect Another advantage lower cost building often less half cost normal size 35-powered Stunt ship Because biplane has simpler structure component small makes ideal people limited building space small size also makes transport easier Tiger Rag will fit trunk compact car first biplane Stunter built 1961 time experimented type model between other aeromodeling activities Around 1970 finally made breakthrough gave aerobatics performance nearly equal current monoplane Stunters Since various refinements have made different structural methods tried layout Tiger Rag seems optimum type model thick wing section equal areas both wings thrust line passing just above center line gap between wings large stabilizer elevator big control deflectionsand no flaps Light weight also critical factor construction shown very light model very easy repair photos show current Tiger Rag after its second rebuild assembly cover top front decking rolled sheet rear top stringers add bottom stringers until lower wing fitted cowl made 3/16 balsa ply sides laminate own ply contact adhesive sheet bottom block front Tailor fit engine used held ply tongues four screws through fuselage sides Care must taken lower wing seat ensure sits 0 degrees incidence cutouts alsa sheet side cabane struts must accurate rolled sheet turtle deck front cockpit can fitted before gluing cabane struts trimmed allow struts fit flush sides cabane struts must cut fitted accurately because provide positive location top wing 1 degree incidence essential part aerodynamic layout aircraft good idea glue cabane struts place glue comparatively easy separate cabanes will usually break inverted landing intentional can save top wing serious damage top wing elevators fitted until model complete including fuel-proofing tail surfaces follow conventional practice elevators must move through total 900 travel 45 deg way control system must completely free far impor tant Tiger Rag other type model because flown limit will times model literally hanging prop no line tension controls must Merrie England comes biplane Control Line Stunter Bi plane better believe Though intended high level Preci sion Aerobatics can maneuvers thatll bug eyes out Its fun March 1982 55 result full power inverted bottom outside loop Tiger Rag show-stopper flown limit took CLAPA Control Line Aerobatic Pilots AssociationBritish version PAMPA Championships flew practice circle other events being flown am told people stopped Tiger Rag its latest incarnation watching contests watch Tiger Rag Two powered Fox 36 Its unusual-looking Tiger Rags have built Piotr Zawada top Control Line Stunter flies beautifully Polish Stunt flier friend used fly Combat displays country created tremendous amount interest Construction very easy am lazy builder design ease assembly shall simply give basic sequence concentrate areas peculiar biplanes basic fuselage assembled exactly same way conventional model Glue plywod doublers fuselage sides assemble bearers front formers landing gear glue sides rmer assembly add rear formers control Rear-exhaust Fox 36 RE requires muffler setup keeps plane looking very clean neeo D8158 must placed between muffler tank keep fuel boiling away still work fully freely condition wings simple build no leading edge sheetand center section sheet ends straight line again reduces damage providing designed break point central spar does mean slightly work cutting Out wing ribs smooth wing section results makes very marked improvement per formance spar combined inset trailing edge leading edge provides very warp-resistant structure Slide ribs onto spar making sure strut ribs correct locations Insert trailing edge leading edge slots ribs Block up assembly over plan glue joints Laminate tips wing drying fit place Lift completed wing board add center section sheeting Remember top wing has extra ribs slots lower surface sheeting cabane struts Add ip weight top bottom wings complete job cabane struts designed push right up top sheet top wing thus ensuring accurate alignment tank shown gives very good steady engine runs muffler pressure can used preferred tank should easily removable can get will have no problems built permanently will leakanother example Murphys Law used Fox Rear-Exhaust 36 Stunt current Tiger Rag use engine other rear-exhaust engine vital insulate tank bottom heet balsa extend piece pipe down back engine Otherwise fuel will simply boil out vents making short runs mucky models so expensive Side-exhaust motors present no problems cowl designed muffler can fitted no extra work power range fairly critical model Too little power will result poor performance simple aerobatics can performed good 25 other hand too much power prevents model doing some RY CAAAJE STRUT BALSA SIDE RAWO0O PLY DC LLORAM MOWT-4z2S~X PLY DORALER BALSA FUSELABE aDE N cGdsrRucTloN OETAIL S8SBALSA ELEVATOR CORTRO H Jf ___ STABILIZER MAY BE BAT UP AS SHOWN OR MADE FROR 551 UPSET 3B SHEE OF I/4 BALSA HW4DES MIST LY EALSA ROBART ISB3ES ARE RECCABRUSED WB3B LEA S COFTR5 LM SWE AIGGINS DETAL FEED TUBE STOPS HERETMADE SPRUCE LEAD W LEFT ORLY L STOP UP ThIS VENT FOR PUGHT FUEL TANK DETAIL NOT TO SCALE way-out contortions described section flying would recommend good 29s 35s used 10 x 6 props first Tiger Rag 42-in span version Schnuerle 40 Fox series got its name. Hold Tiger Covering finishing can builders choice Some Tiger Rags have covered heat-shrink film others used tissue dope main thing remember add too much weight large areas covered tissue mean filling grain kept minimum always use nitrate dopes cannot get Butyrate dope Engiand paint model car touch-up spray cans followed two-part fuel-proofer Polish Stunt champ Piotr Zawada sent shot two Tiger Rags spruced up look like WW fighters Ship raises eyebrows everywhere 56 Model Aviation Struts version Tiger Rag simplified due creative laziness author claims ALL WRIG RIBS ME 3/SA BALSA N-A 4 N-S 4 COBS WITh AMNATIcPIB m -CARVE AND______ N NATO T-2 // T-2N L/5 BAlSA SEET Hzzz[LizzrY-i9iEI17cr7 [1__ WIBBALSA SEETN-I 10siB N3 4BOnON SAND120CENTER SECTION RIB LOCATION Zfl- NDTSAOWN SON 0ARITYLEACANS EDGE RIND AJAD EPOXY CE TIP WEIQAT TV TIE LOWER WTS1GE WEdS F- N-S1-4NA T-2 BALSA WY II1LicrvV SIBET TRAUMA ___________ ______________cii T7 3/TB BALSA SlEET SPAR- MAY BE ONE PIECE ON JORIED WITH VIE PLY BRACE AS 540A1A B RIBS 2 SPEWERTANK MY -t __ ___ IIS-V2 I/IA PLYT ROOF 4[JLr11IIII __________________________ GEPSET 3/8 MB SHGETV32IA III 1/8 BALSA 56 F-S _________YB BALSA TRACMIIG BY ~ 36 SPAN AEROSATIC BFLAIE Once model has fuel-proofed elevators can fitted top wing added Hinging elevators should done RC hinges either hinge points flap-type hinges pin top wing interplane struts fitted operation Slit covering between double ribs take interplane struts glue lower wing glue top wing onto cabane struts interplane struts Check alignment make sure cabane struts pressed against top center section sheeting top wing all-up weight should 40 oz since excess weight has very marked adverse effect performance have seen version built friend 50% heavier own very soggy fly Balance point should shown plan just about best locationbut little farther forward will harm room experiment line rake CG line guide interplane strut makes alterations line rake very simple Variations should now have standard Tiger Rag knowing modelers like change things model suit own taste lets look what alterations permis sible seriously affecting performance layout wing incidences thrust line balance point tail moment critical alteration area would increase tail moment up 2 would have too much effect looping radius really should used trying make Continued page 125 March 1982 57 1-41-3N-IN-IN-S WHG PLAN SET SAP TO TAIlS N NI#BETRIJT 2 YB PLY WBS LAPflNA GEAR LIE LEMATH ATTACH TS FULL-SIZE PLANSAVAILARLEFF PAE 1&fl This42-in span version powered bya Fox Schnuer1 ssue doped over yellow Little ship capable some remarkable PEANUT AND WALNUT SCALE PLANS ALSO NOW AVAILABLE DYES & ACCESSORIES OVER 20 PLANS FROM $125 T3 $2 Send SAE List Sitar sample plan & list DAVID DIE LS ox 101 Woodville Ohio 43469 section 105 ft high usually vexy good conditions regular fliers Bill Tyler model aviation pioneer photo shows Bill Manhattan Cabin model famous grin Another shot shows another Manhattan flying past statues decorate Low Library meet Euripedes Greek dramatist author 19 plays New technology pictures shows close-up view unique wing post used Brian Bradley Fulmer post made carbon fiber rod material obtained special sample given father material may available except special order example shows ingenuity modelersever alert new mater ials techniques Thank newsletter editor year try remind just much average model club member owes editor clubs news letter receive newsletters traded own often see other newsletters well newsletters range singlepage sheets announce meeting topics flying sessions ones 10 pages long longer technical articles hints kinks par ticular clubs winter-only Indoor activity Scale clubs typically have very large newsletters excellent plans Indoor hints plans Truly free infor mation boon almost club members no other way can get much information free Have hugged editor today Bud Tenny PO Box 545 Richardson TX 75080 Tiger Rag/Miller Co ntinued page 57 model resemble some full-size aircraft Wing tip tail surface shapes can altered provid ing area added kept same area both wings must remain equal major alteration would make top wing sweep back done move top wing forward half amount sweep-back Strut arrangements can altered mciIntroducing 5 1/2 center top cylinder head 3 1/2 center side carb Perfect 1/4 scale P-Si 1/3 Pitts Very smooth running List Like Quadra Splisasi twee-uteek muffin Ssnohe cersien uveiluhf Saekneesioennuiluhlu Dsshln-jnu Pius. high coinion 7 Iaeu lift Optie.I hkn Eusy heel ssutiq spas. fs foss RF riusisn Sslidbsse spy nut up tiseul sudiul sup oil. tlemt-hoasieg useiuninIp us msdf sireruff Powsn-hfetef fihs-wssghs flpwh.f 37 SUPER POWER ROPER 22 PARTNER ENGINE 22 OUAORA ENGINE 79 ROPER ENGINE NEW Sole Leatll 79 ENGINE HUB N MOUNT PACK 79 USEO OEMO ENGINE BALENCEO 6-BOGT HUB Rope Porte N OOdO PROP DRILL JIG New H S Hornet 42 CID 6 1/3 HP Only 6 1/4 lbs Youll Love Partner An updated verson ths popular engine Note improve ments made especially mini ature aircraft use roller thrust ~ double-ring piston location low 13 1/2 power output LIMITED TIME OFFER LIST $14995 SALE $9995 So compact measures much larger Quadra Partner engine Comes complete built choke 6 bolt prop hub Radial mount available ilso twin stack INTRO $19995 tieul hes spian Osasts turd runyn flussy-iste prop huh ME HORNER SPECIALS PARTRETAILSALE 712$24995$78900RAOIAL MOUNTReperi7N 79103 RAOIAL MOUNT Pores ea7723 717 72500$8995TWIN STACK EXHAUST2ZNKerlee705 708 72500TWIN STACK EXHAUST Partner Oeedre720 CHOKE ASSEMBLY Pomaer N Quadra727 709 95003995BRITE SPINNER Rope Part N Quad722 7794500NEOPRENE GAS LINE Per Feoll707 7702500RESISTOR SPARK PLUG RCJB173 BIG PROPS AVAILABLE Piasiahed oed Boleeeed Weed 7077495 702995 SALE $17995 SALE 7295 7200 2495 7995 500 7595 795 250 W-ile CALL Send 20 Stamp catalnaWill Ship Orders Same Day coDupsAdd 54 shppng per enane HORNER SALES INC Rt 2 Box 9300 Dixie Hwy. 312 946-2515 Beecher IL 60401 dence angles must remain designed central pylon could used instead cabane struts Another alternative cut struts sheet aluminum can splayed outward converge like Pitts Again watch inci dence angles try unless sure retaining unchanged Two experiments have tried flaps connecting rudder elevators flaps no beneficial effect coupled rudder actually reduced performance very quickly set fixed position Other ideas have tried various models throttled motors added display potential third line hindered aerobatic ability parachute dropping parachute attached right interplane strut released timer operating crop dusting hopper Flying above modifications additions show what can done model its basic form shown plan superb fun-flier have kept stressing performance lets look flying detail Bipes like lesser breeds aircraft will take off reasonably long grass reasonable mean 2 long fitted 2-ia wheels Just hold full up goleveling off soon airborne Once have gained confidence sure engine can keep full up takeoff goes half-loop inverted scares pants off spectators ready Once airborne model very stable both upright inverted have familiarized yourself handling characteristics model can start learning use peculiarities biplane full potential fairly tight mk 1 AVAILABLE NOWWane UPF 7 50-Blyn JB Special MK Ill 54~ Mono 75 Pipe Weiaht 78 lbs 2795 Travel Air 2000 705 Clasoc Scale Biplane 23 ISv 2295 Travel Air 4000 99~ Padal Eng Clansic Pipe 23 lbs 2295 Fokker 0-VII 88 Gennan WW FishIer Pipe 23 lbs 2495 coming Scee Sopirh Pup SO Eec Scprtirh Tepehoond 80 Triplane Waco ATO Lyjack Version 90 Piplane Ninopod 55 Bplann 35 Scale Fokker Ott 72 Triplane Plans shipped U PS Parcel PosL Please add $300 forpostaqe handlinG fastest seavice send poctaj money order No C 00 orders Sent BEHRENS PLAN SERVICE 31-27 Healy Ave Far Rockaway NY 11691 212 337-6987 March 1982 125 love 24 wI optional choke 3-FUNCTION ACCUETACH 0 Tachometer w/dual scale 0 capability lOX lOOX @ Digital Voltmeter load 5 && checking/cycling TX/RX battery combosACCtI-rACNI torquickII 7fl95 prepaid Psior nd check money order no CO D Calif residents Ifli'NTadd 6% tax P0 Box 70956 Sunnyvale CA 94086 rLi/7r e$d4Et Pde46 $9900 DELIVERED Four Folding Legs Wing Fuselage Holders Add $400 Shipping- colif 6% Tax RAC Products4oe 274-1g15 3200 Knightswood Way 0 San Jose cA P5148 FIBERGLASS COWLSL UNIVERSAL RADIALS 5 diameter-3 deep 600 5 diameter-3 deep 650 6 diameter-S deep 1200 7 diameter-4 deep 1000 7 diameter-SW deep 1000 9/a diameter-4 deep 1200 9 diameter-S deep 1200 10 diameter-9 deep 2500 11 diameter-6 deep 1800 11 diameter-7 deep......... 2000 ASTRO FLIGHT Porterfield ....... 500 TOP-FLITE P-39 Aircobra............. 600 P-40 Warhawk............. 900 P-47-D Thunderbolt F-8-F-2 Bearcat F-4U Corsair.............. 1000 J-3 Cub 800 WHEELPANTS 7 long 3 wheel 700 8 long 3-4 wheel ........ 800 9 long 4-4W wheel ........ 900 10 long 4¼-S/a wheel 1000 11 long 4-4W wheel 1100 12 long 5-6 wheel ........ 1200 SIG Kadet Kavalier Komander Kougar ... S50 Cessna 150 Liberty Sport Skybolt... 800 Smith Minibiplane Beech Bonanza ... 1000 COWLS FOR BEHRENS GIANT SCALE pLANS JB Special MK Ill Travel Air 2000 Fokker D-VII 1500 Travel Air 4000 $2000 wheelpants ... 1000 JACK STAFFORD B-24 set 4 1200 NEW MAULE LUNAR ROCKET MS Cowl 00Windshield 0 ORDERING INFORMATION Add $1 50 shipping charge Within US $200 outside US New York residents add 7% Ma ii order FIBERGLASS MASTER sales tax * FOR INFORMATION ON PLANS P 0 Box 1 34M Bayshore NY 11706 Write Behrens Plan Service 31-27 Healy Avenue Far RoCkaway NY 11691 call 212 337-6987 QUARTER SCALE J-3 Cub1000 Stinson Voyager1200 Fleet Biplane CONCEPT1200 Aeronca Champ BUD NOSEN1800 Mr Mulligan BUD NOSEN2000 P-Si Mustang BUD NOSEN2000 P-47-D Jug BUD NOSEN2500 Citabria cowl 00 wheelpants900 PICA FW 190 D-9 Waco F-31000 Cessna 182 Bucker Jungmeister1200 T-28B Trojan ............ 1500 JEMCO PT-19600 FW19OD-9650 ABM-3 Zero800 AT-6 North American1000 F-6-F Hellcat F-4tJ Corsairor P-47-DJug .. 1200 loop starting ending about 15 feet up Continue second ioop soon model reaches vertical climb position apply full up elevator model will loop its own length first few times neutralize elevators model reaches normal upright flight position just fly round next step continue flick loop until model again pointing straight up neutral ize elevators stage three things will happen depending power available enough power model will start sinic slowly tail slide case apply full down once nose has dropped fly away normally power just right model will slowly climb vertically soon lost height regained flick loop can repeated third possibility rare model will hang gain loss height Very spectacular quite safe Slight application either up down elevator will tilt model will start move around circle slowly increasing elevator control will get steady transition level flight upright inverted Alternatively model can made sway forwards backwards using slight up followed slight down elevator technique can also used slow climb situation once demonstrated perfect hover big Scale rally semi-Scale SE-S Afterwards someone came up told looked up model hovering convinced just about crash chaps attitude obvious did really believe what just seen Once doing flick loops two things careful first gets fascinated maneuver keeps doing until lines lock up few outside loops order day often unwind lines second point watch sometimes possible consecutive flick loops some height loss between Very often last will just brush ground tail will drop model onto its wheels followed normal takeoff stage crashes happen such slow speed low normally no damage quite possible fly stunt book Tiger Rag bit time until completely familiar hand ling model example outside loops tend bigger insides less line tension Landings easy keep nose down No attempt float model around circle should made because high drag bipe bleeds off speed fast Wind no problem model helps flick loops hovers breezy conditions always take off about 45 deg wind go straight inverted prevents wind getting under tail tipping model its nose also allows speed build up before coming wind very windy conditions entire flight can made downwind half circle have also made complete flights just lying back ground hope will tempted build Tiger Rag can promise will never regret first club build certainly will last because bug infectious also incurable CL Aerobatics/Paul Continued page 58 team tryouts since 1973 writer would suggest new President Preszler create new post ofFAI Coordinator PAMPA Keith now has retired PAMPA presidency hope would accept position idea keeping FAI tryouts outstanding contest has several years Basically would mean Keith would accept responsibility admin istering organizing FAI tryouts other year PAMPA should lose out standing administrator superior Contest Director Keith has always very deep concern FAI program interest should wasted As know LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW MASTER AIR~5jJJ IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS PO BOX 112 WINDSOR PROPELLER CO WINDSOR CA 95492 PR ESENTS BALSA STRIPPER A95 U AT vous DEALER PRECISION STRIP WOOD TO NS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 126 Model Aviation
Edition: Model Aviation - 1982/03
Page Numbers: 55, 56, 57, 125, 126
IN THE WORLD full-size aerobatics biplane can hold its own against best monoplanes No air show would complete least biplane performing small area right front spectators model world unlikely biplane would competitive contests although judges would probably appreciate change watching same type model hours end display work pure fun flying biplane Control Line Stunt model perfect Another advantage lower cost building often less half cost normal size 35-powered Stunt ship Because biplane has simpler structure component small makes ideal people limited building space small size also makes transport easier Tiger Rag will fit trunk compact car first biplane Stunter built 1961 time experimented type model between other aeromodeling activities Around 1970 finally made breakthrough gave aerobatics performance nearly equal current monoplane Stunters Since various refinements have made different structural methods tried layout Tiger Rag seems optimum type model thick wing section equal areas both wings thrust line passing just above center line gap between wings large stabilizer elevator big control deflectionsand no flaps Light weight also critical factor construction shown very light model very easy repair photos show current Tiger Rag after its second rebuild assembly cover top front decking rolled sheet rear top stringers add bottom stringers until lower wing fitted cowl made 3/16 balsa ply sides laminate own ply contact adhesive sheet bottom block front Tailor fit engine used held ply tongues four screws through fuselage sides Care must taken lower wing seat ensure sits 0 degrees incidence cutouts alsa sheet side cabane struts must accurate rolled sheet turtle deck front cockpit can fitted before gluing cabane struts trimmed allow struts fit flush sides cabane struts must cut fitted accurately because provide positive location top wing 1 degree incidence essential part aerodynamic layout aircraft good idea glue cabane struts place glue comparatively easy separate cabanes will usually break inverted landing intentional can save top wing serious damage top wing elevators fitted until model complete including fuel-proofing tail surfaces follow conventional practice elevators must move through total 900 travel 45 deg way control system must completely free far impor tant Tiger Rag other type model because flown limit will times model literally hanging prop no line tension controls must Merrie England comes biplane Control Line Stunter Bi plane better believe Though intended high level Preci sion Aerobatics can maneuvers thatll bug eyes out Its fun March 1982 55 result full power inverted bottom outside loop Tiger Rag show-stopper flown limit took CLAPA Control Line Aerobatic Pilots AssociationBritish version PAMPA Championships flew practice circle other events being flown am told people stopped Tiger Rag its latest incarnation watching contests watch Tiger Rag Two powered Fox 36 Its unusual-looking Tiger Rags have built Piotr Zawada top Control Line Stunter flies beautifully Polish Stunt flier friend used fly Combat displays country created tremendous amount interest Construction very easy am lazy builder design ease assembly shall simply give basic sequence concentrate areas peculiar biplanes basic fuselage assembled exactly same way conventional model Glue plywod doublers fuselage sides assemble bearers front formers landing gear glue sides rmer assembly add rear formers control Rear-exhaust Fox 36 RE requires muffler setup keeps plane looking very clean neeo D8158 must placed between muffler tank keep fuel boiling away still work fully freely condition wings simple build no leading edge sheetand center section sheet ends straight line again reduces damage providing designed break point central spar does mean slightly work cutting Out wing ribs smooth wing section results makes very marked improvement per formance spar combined inset trailing edge leading edge provides very warp-resistant structure Slide ribs onto spar making sure strut ribs correct locations Insert trailing edge leading edge slots ribs Block up assembly over plan glue joints Laminate tips wing drying fit place Lift completed wing board add center section sheeting Remember top wing has extra ribs slots lower surface sheeting cabane struts Add ip weight top bottom wings complete job cabane struts designed push right up top sheet top wing thus ensuring accurate alignment tank shown gives very good steady engine runs muffler pressure can used preferred tank should easily removable can get will have no problems built permanently will leakanother example Murphys Law used Fox Rear-Exhaust 36 Stunt current Tiger Rag use engine other rear-exhaust engine vital insulate tank bottom heet balsa extend piece pipe down back engine Otherwise fuel will simply boil out vents making short runs mucky models so expensive Side-exhaust motors present no problems cowl designed muffler can fitted no extra work power range fairly critical model Too little power will result poor performance simple aerobatics can performed good 25 other hand too much power prevents model doing some RY CAAAJE STRUT BALSA SIDE RAWO0O PLY DC LLORAM MOWT-4z2S~X PLY DORALER BALSA FUSELABE aDE N cGdsrRucTloN OETAIL S8SBALSA ELEVATOR CORTRO H Jf ___ STABILIZER MAY BE BAT UP AS SHOWN OR MADE FROR 551 UPSET 3B SHEE OF I/4 BALSA HW4DES MIST LY EALSA ROBART ISB3ES ARE RECCABRUSED WB3B LEA S COFTR5 LM SWE AIGGINS DETAL FEED TUBE STOPS HERETMADE SPRUCE LEAD W LEFT ORLY L STOP UP ThIS VENT FOR PUGHT FUEL TANK DETAIL NOT TO SCALE way-out contortions described section flying would recommend good 29s 35s used 10 x 6 props first Tiger Rag 42-in span version Schnuerle 40 Fox series got its name. Hold Tiger Covering finishing can builders choice Some Tiger Rags have covered heat-shrink film others used tissue dope main thing remember add too much weight large areas covered tissue mean filling grain kept minimum always use nitrate dopes cannot get Butyrate dope Engiand paint model car touch-up spray cans followed two-part fuel-proofer Polish Stunt champ Piotr Zawada sent shot two Tiger Rags spruced up look like WW fighters Ship raises eyebrows everywhere 56 Model Aviation Struts version Tiger Rag simplified due creative laziness author claims ALL WRIG RIBS ME 3/SA BALSA N-A 4 N-S 4 COBS WITh AMNATIcPIB m -CARVE AND______ N NATO T-2 // T-2N L/5 BAlSA SEET Hzzz[LizzrY-i9iEI17cr7 [1__ WIBBALSA SEETN-I 10siB N3 4BOnON SAND120CENTER SECTION RIB LOCATION Zfl- NDTSAOWN SON 0ARITYLEACANS EDGE RIND AJAD EPOXY CE TIP WEIQAT TV TIE LOWER WTS1GE WEdS F- N-S1-4NA T-2 BALSA WY II1LicrvV SIBET TRAUMA ___________ ______________cii T7 3/TB BALSA SlEET SPAR- MAY BE ONE PIECE ON JORIED WITH VIE PLY BRACE AS 540A1A B RIBS 2 SPEWERTANK MY -t __ ___ IIS-V2 I/IA PLYT ROOF 4[JLr11IIII __________________________ GEPSET 3/8 MB SHGETV32IA III 1/8 BALSA 56 F-S _________YB BALSA TRACMIIG BY ~ 36 SPAN AEROSATIC BFLAIE Once model has fuel-proofed elevators can fitted top wing added Hinging elevators should done RC hinges either hinge points flap-type hinges pin top wing interplane struts fitted operation Slit covering between double ribs take interplane struts glue lower wing glue top wing onto cabane struts interplane struts Check alignment make sure cabane struts pressed against top center section sheeting top wing all-up weight should 40 oz since excess weight has very marked adverse effect performance have seen version built friend 50% heavier own very soggy fly Balance point should shown plan just about best locationbut little farther forward will harm room experiment line rake CG line guide interplane strut makes alterations line rake very simple Variations should now have standard Tiger Rag knowing modelers like change things model suit own taste lets look what alterations permis sible seriously affecting performance layout wing incidences thrust line balance point tail moment critical alteration area would increase tail moment up 2 would have too much effect looping radius really should used trying make Continued page 125 March 1982 57 1-41-3N-IN-IN-S WHG PLAN SET SAP TO TAIlS N NI#BETRIJT 2 YB PLY WBS LAPflNA GEAR LIE LEMATH ATTACH TS FULL-SIZE PLANSAVAILARLEFF PAE 1&fl This42-in span version powered bya Fox Schnuer1 ssue doped over yellow Little ship capable some remarkable PEANUT AND WALNUT SCALE PLANS ALSO NOW AVAILABLE DYES & ACCESSORIES OVER 20 PLANS FROM $125 T3 $2 Send SAE List Sitar sample plan & list DAVID DIE LS ox 101 Woodville Ohio 43469 section 105 ft high usually vexy good conditions regular fliers Bill Tyler model aviation pioneer photo shows Bill Manhattan Cabin model famous grin Another shot shows another Manhattan flying past statues decorate Low Library meet Euripedes Greek dramatist author 19 plays New technology pictures shows close-up view unique wing post used Brian Bradley Fulmer post made carbon fiber rod material obtained special sample given father material may available except special order example shows ingenuity modelersever alert new mater ials techniques Thank newsletter editor year try remind just much average model club member owes editor clubs news letter receive newsletters traded own often see other newsletters well newsletters range singlepage sheets announce meeting topics flying sessions ones 10 pages long longer technical articles hints kinks par ticular clubs winter-only Indoor activity Scale clubs typically have very large newsletters excellent plans Indoor hints plans Truly free infor mation boon almost club members no other way can get much information free Have hugged editor today Bud Tenny PO Box 545 Richardson TX 75080 Tiger Rag/Miller Co ntinued page 57 model resemble some full-size aircraft Wing tip tail surface shapes can altered provid ing area added kept same area both wings must remain equal major alteration would make top wing sweep back done move top wing forward half amount sweep-back Strut arrangements can altered mciIntroducing 5 1/2 center top cylinder head 3 1/2 center side carb Perfect 1/4 scale P-Si 1/3 Pitts Very smooth running List Like Quadra Splisasi twee-uteek muffin Ssnohe cersien uveiluhf Saekneesioennuiluhlu Dsshln-jnu Pius. high coinion 7 Iaeu lift Optie.I hkn Eusy heel ssutiq spas. fs foss RF riusisn Sslidbsse spy nut up tiseul sudiul sup oil. tlemt-hoasieg useiuninIp us msdf sireruff Powsn-hfetef fihs-wssghs flpwh.f 37 SUPER POWER ROPER 22 PARTNER ENGINE 22 OUAORA ENGINE 79 ROPER ENGINE NEW Sole Leatll 79 ENGINE HUB N MOUNT PACK 79 USEO OEMO ENGINE BALENCEO 6-BOGT HUB Rope Porte N OOdO PROP DRILL JIG New H S Hornet 42 CID 6 1/3 HP Only 6 1/4 lbs Youll Love Partner An updated verson ths popular engine Note improve ments made especially mini ature aircraft use roller thrust ~ double-ring piston location low 13 1/2 power output LIMITED TIME OFFER LIST $14995 SALE $9995 So compact measures much larger Quadra Partner engine Comes complete built choke 6 bolt prop hub Radial mount available ilso twin stack INTRO $19995 tieul hes spian Osasts turd runyn flussy-iste prop huh ME HORNER SPECIALS PARTRETAILSALE 712$24995$78900RAOIAL MOUNTReperi7N 79103 RAOIAL MOUNT Pores ea7723 717 72500$8995TWIN STACK EXHAUST2ZNKerlee705 708 72500TWIN STACK EXHAUST Partner Oeedre720 CHOKE ASSEMBLY Pomaer N Quadra727 709 95003995BRITE SPINNER Rope Part N Quad722 7794500NEOPRENE GAS LINE Per Feoll707 7702500RESISTOR SPARK PLUG RCJB173 BIG PROPS AVAILABLE Piasiahed oed Boleeeed Weed 7077495 702995 SALE $17995 SALE 7295 7200 2495 7995 500 7595 795 250 W-ile CALL Send 20 Stamp catalnaWill Ship Orders Same Day coDupsAdd 54 shppng per enane HORNER SALES INC Rt 2 Box 9300 Dixie Hwy. 312 946-2515 Beecher IL 60401 dence angles must remain designed central pylon could used instead cabane struts Another alternative cut struts sheet aluminum can splayed outward converge like Pitts Again watch inci dence angles try unless sure retaining unchanged Two experiments have tried flaps connecting rudder elevators flaps no beneficial effect coupled rudder actually reduced performance very quickly set fixed position Other ideas have tried various models throttled motors added display potential third line hindered aerobatic ability parachute dropping parachute attached right interplane strut released timer operating crop dusting hopper Flying above modifications additions show what can done model its basic form shown plan superb fun-flier have kept stressing performance lets look flying detail Bipes like lesser breeds aircraft will take off reasonably long grass reasonable mean 2 long fitted 2-ia wheels Just hold full up goleveling off soon airborne Once have gained confidence sure engine can keep full up takeoff goes half-loop inverted scares pants off spectators ready Once airborne model very stable both upright inverted have familiarized yourself handling characteristics model can start learning use peculiarities biplane full potential fairly tight mk 1 AVAILABLE NOWWane UPF 7 50-Blyn JB Special MK Ill 54~ Mono 75 Pipe Weiaht 78 lbs 2795 Travel Air 2000 705 Clasoc Scale Biplane 23 ISv 2295 Travel Air 4000 99~ Padal Eng Clansic Pipe 23 lbs 2295 Fokker 0-VII 88 Gennan WW FishIer Pipe 23 lbs 2495 coming Scee Sopirh Pup SO Eec Scprtirh Tepehoond 80 Triplane Waco ATO Lyjack Version 90 Piplane Ninopod 55 Bplann 35 Scale Fokker Ott 72 Triplane Plans shipped U PS Parcel PosL Please add $300 forpostaqe handlinG fastest seavice send poctaj money order No C 00 orders Sent BEHRENS PLAN SERVICE 31-27 Healy Ave Far Rockaway NY 11691 212 337-6987 March 1982 125 love 24 wI optional choke 3-FUNCTION ACCUETACH 0 Tachometer w/dual scale 0 capability lOX lOOX @ Digital Voltmeter load 5 && checking/cycling TX/RX battery combosACCtI-rACNI torquickII 7fl95 prepaid Psior nd check money order no CO D Calif residents Ifli'NTadd 6% tax P0 Box 70956 Sunnyvale CA 94086 rLi/7r e$d4Et Pde46 $9900 DELIVERED Four Folding Legs Wing Fuselage Holders Add $400 Shipping- colif 6% Tax RAC Products4oe 274-1g15 3200 Knightswood Way 0 San Jose cA P5148 FIBERGLASS COWLSL UNIVERSAL RADIALS 5 diameter-3 deep 600 5 diameter-3 deep 650 6 diameter-S deep 1200 7 diameter-4 deep 1000 7 diameter-SW deep 1000 9/a diameter-4 deep 1200 9 diameter-S deep 1200 10 diameter-9 deep 2500 11 diameter-6 deep 1800 11 diameter-7 deep......... 2000 ASTRO FLIGHT Porterfield ....... 500 TOP-FLITE P-39 Aircobra............. 600 P-40 Warhawk............. 900 P-47-D Thunderbolt F-8-F-2 Bearcat F-4U Corsair.............. 1000 J-3 Cub 800 WHEELPANTS 7 long 3 wheel 700 8 long 3-4 wheel ........ 800 9 long 4-4W wheel ........ 900 10 long 4¼-S/a wheel 1000 11 long 4-4W wheel 1100 12 long 5-6 wheel ........ 1200 SIG Kadet Kavalier Komander Kougar ... S50 Cessna 150 Liberty Sport Skybolt... 800 Smith Minibiplane Beech Bonanza ... 1000 COWLS FOR BEHRENS GIANT SCALE pLANS JB Special MK Ill Travel Air 2000 Fokker D-VII 1500 Travel Air 4000 $2000 wheelpants ... 1000 JACK STAFFORD B-24 set 4 1200 NEW MAULE LUNAR ROCKET MS Cowl 00Windshield 0 ORDERING INFORMATION Add $1 50 shipping charge Within US $200 outside US New York residents add 7% Ma ii order FIBERGLASS MASTER sales tax * FOR INFORMATION ON PLANS P 0 Box 1 34M Bayshore NY 11706 Write Behrens Plan Service 31-27 Healy Avenue Far RoCkaway NY 11691 call 212 337-6987 QUARTER SCALE J-3 Cub1000 Stinson Voyager1200 Fleet Biplane CONCEPT1200 Aeronca Champ BUD NOSEN1800 Mr Mulligan BUD NOSEN2000 P-Si Mustang BUD NOSEN2000 P-47-D Jug BUD NOSEN2500 Citabria cowl 00 wheelpants900 PICA FW 190 D-9 Waco F-31000 Cessna 182 Bucker Jungmeister1200 T-28B Trojan ............ 1500 JEMCO PT-19600 FW19OD-9650 ABM-3 Zero800 AT-6 North American1000 F-6-F Hellcat F-4tJ Corsairor P-47-DJug .. 1200 loop starting ending about 15 feet up Continue second ioop soon model reaches vertical climb position apply full up elevator model will loop its own length first few times neutralize elevators model reaches normal upright flight position just fly round next step continue flick loop until model again pointing straight up neutral ize elevators stage three things will happen depending power available enough power model will start sinic slowly tail slide case apply full down once nose has dropped fly away normally power just right model will slowly climb vertically soon lost height regained flick loop can repeated third possibility rare model will hang gain loss height Very spectacular quite safe Slight application either up down elevator will tilt model will start move around circle slowly increasing elevator control will get steady transition level flight upright inverted Alternatively model can made sway forwards backwards using slight up followed slight down elevator technique can also used slow climb situation once demonstrated perfect hover big Scale rally semi-Scale SE-S Afterwards someone came up told looked up model hovering convinced just about crash chaps attitude obvious did really believe what just seen Once doing flick loops two things careful first gets fascinated maneuver keeps doing until lines lock up few outside loops order day often unwind lines second point watch sometimes possible consecutive flick loops some height loss between Very often last will just brush ground tail will drop model onto its wheels followed normal takeoff stage crashes happen such slow speed low normally no damage quite possible fly stunt book Tiger Rag bit time until completely familiar hand ling model example outside loops tend bigger insides less line tension Landings easy keep nose down No attempt float model around circle should made because high drag bipe bleeds off speed fast Wind no problem model helps flick loops hovers breezy conditions always take off about 45 deg wind go straight inverted prevents wind getting under tail tipping model its nose also allows speed build up before coming wind very windy conditions entire flight can made downwind half circle have also made complete flights just lying back ground hope will tempted build Tiger Rag can promise will never regret first club build certainly will last because bug infectious also incurable CL Aerobatics/Paul Continued page 58 team tryouts since 1973 writer would suggest new President Preszler create new post ofFAI Coordinator PAMPA Keith now has retired PAMPA presidency hope would accept position idea keeping FAI tryouts outstanding contest has several years Basically would mean Keith would accept responsibility admin istering organizing FAI tryouts other year PAMPA should lose out standing administrator superior Contest Director Keith has always very deep concern FAI program interest should wasted As know LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW MASTER AIR~5jJJ IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS PO BOX 112 WINDSOR PROPELLER CO WINDSOR CA 95492 PR ESENTS BALSA STRIPPER A95 U AT vous DEALER PRECISION STRIP WOOD TO NS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 126 Model Aviation
Edition: Model Aviation - 1982/03
Page Numbers: 55, 56, 57, 125, 126
IN THE WORLD full-size aerobatics biplane can hold its own against best monoplanes No air show would complete least biplane performing small area right front spectators model world unlikely biplane would competitive contests although judges would probably appreciate change watching same type model hours end display work pure fun flying biplane Control Line Stunt model perfect Another advantage lower cost building often less half cost normal size 35-powered Stunt ship Because biplane has simpler structure component small makes ideal people limited building space small size also makes transport easier Tiger Rag will fit trunk compact car first biplane Stunter built 1961 time experimented type model between other aeromodeling activities Around 1970 finally made breakthrough gave aerobatics performance nearly equal current monoplane Stunters Since various refinements have made different structural methods tried layout Tiger Rag seems optimum type model thick wing section equal areas both wings thrust line passing just above center line gap between wings large stabilizer elevator big control deflectionsand no flaps Light weight also critical factor construction shown very light model very easy repair photos show current Tiger Rag after its second rebuild assembly cover top front decking rolled sheet rear top stringers add bottom stringers until lower wing fitted cowl made 3/16 balsa ply sides laminate own ply contact adhesive sheet bottom block front Tailor fit engine used held ply tongues four screws through fuselage sides Care must taken lower wing seat ensure sits 0 degrees incidence cutouts alsa sheet side cabane struts must accurate rolled sheet turtle deck front cockpit can fitted before gluing cabane struts trimmed allow struts fit flush sides cabane struts must cut fitted accurately because provide positive location top wing 1 degree incidence essential part aerodynamic layout aircraft good idea glue cabane struts place glue comparatively easy separate cabanes will usually break inverted landing intentional can save top wing serious damage top wing elevators fitted until model complete including fuel-proofing tail surfaces follow conventional practice elevators must move through total 900 travel 45 deg way control system must completely free far impor tant Tiger Rag other type model because flown limit will times model literally hanging prop no line tension controls must Merrie England comes biplane Control Line Stunter Bi plane better believe Though intended high level Preci sion Aerobatics can maneuvers thatll bug eyes out Its fun March 1982 55 result full power inverted bottom outside loop Tiger Rag show-stopper flown limit took CLAPA Control Line Aerobatic Pilots AssociationBritish version PAMPA Championships flew practice circle other events being flown am told people stopped Tiger Rag its latest incarnation watching contests watch Tiger Rag Two powered Fox 36 Its unusual-looking Tiger Rags have built Piotr Zawada top Control Line Stunter flies beautifully Polish Stunt flier friend used fly Combat displays country created tremendous amount interest Construction very easy am lazy builder design ease assembly shall simply give basic sequence concentrate areas peculiar biplanes basic fuselage assembled exactly same way conventional model Glue plywod doublers fuselage sides assemble bearers front formers landing gear glue sides rmer assembly add rear formers control Rear-exhaust Fox 36 RE requires muffler setup keeps plane looking very clean neeo D8158 must placed between muffler tank keep fuel boiling away still work fully freely condition wings simple build no leading edge sheetand center section sheet ends straight line again reduces damage providing designed break point central spar does mean slightly work cutting Out wing ribs smooth wing section results makes very marked improvement per formance spar combined inset trailing edge leading edge provides very warp-resistant structure Slide ribs onto spar making sure strut ribs correct locations Insert trailing edge leading edge slots ribs Block up assembly over plan glue joints Laminate tips wing drying fit place Lift completed wing board add center section sheeting Remember top wing has extra ribs slots lower surface sheeting cabane struts Add ip weight top bottom wings complete job cabane struts designed push right up top sheet top wing thus ensuring accurate alignment tank shown gives very good steady engine runs muffler pressure can used preferred tank should easily removable can get will have no problems built permanently will leakanother example Murphys Law used Fox Rear-Exhaust 36 Stunt current Tiger Rag use engine other rear-exhaust engine vital insulate tank bottom heet balsa extend piece pipe down back engine Otherwise fuel will simply boil out vents making short runs mucky models so expensive Side-exhaust motors present no problems cowl designed muffler can fitted no extra work power range fairly critical model Too little power will result poor performance simple aerobatics can performed good 25 other hand too much power prevents model doing some RY CAAAJE STRUT BALSA SIDE RAWO0O PLY DC LLORAM MOWT-4z2S~X PLY DORALER BALSA FUSELABE aDE N cGdsrRucTloN OETAIL S8SBALSA ELEVATOR CORTRO H Jf ___ STABILIZER MAY BE BAT UP AS SHOWN OR MADE FROR 551 UPSET 3B SHEE OF I/4 BALSA HW4DES MIST LY EALSA ROBART ISB3ES ARE RECCABRUSED WB3B LEA S COFTR5 LM SWE AIGGINS DETAL FEED TUBE STOPS HERETMADE SPRUCE LEAD W LEFT ORLY L STOP UP ThIS VENT FOR PUGHT FUEL TANK DETAIL NOT TO SCALE way-out contortions described section flying would recommend good 29s 35s used 10 x 6 props first Tiger Rag 42-in span version Schnuerle 40 Fox series got its name. Hold Tiger Covering finishing can builders choice Some Tiger Rags have covered heat-shrink film others used tissue dope main thing remember add too much weight large areas covered tissue mean filling grain kept minimum always use nitrate dopes cannot get Butyrate dope Engiand paint model car touch-up spray cans followed two-part fuel-proofer Polish Stunt champ Piotr Zawada sent shot two Tiger Rags spruced up look like WW fighters Ship raises eyebrows everywhere 56 Model Aviation Struts version Tiger Rag simplified due creative laziness author claims ALL WRIG RIBS ME 3/SA BALSA N-A 4 N-S 4 COBS WITh AMNATIcPIB m -CARVE AND______ N NATO T-2 // T-2N L/5 BAlSA SEET Hzzz[LizzrY-i9iEI17cr7 [1__ WIBBALSA SEETN-I 10siB N3 4BOnON SAND120CENTER SECTION RIB LOCATION Zfl- NDTSAOWN SON 0ARITYLEACANS EDGE RIND AJAD EPOXY CE TIP WEIQAT TV TIE LOWER WTS1GE WEdS F- N-S1-4NA T-2 BALSA WY II1LicrvV SIBET TRAUMA ___________ ______________cii T7 3/TB BALSA SlEET SPAR- MAY BE ONE PIECE ON JORIED WITH VIE PLY BRACE AS 540A1A B RIBS 2 SPEWERTANK MY -t __ ___ IIS-V2 I/IA PLYT ROOF 4[JLr11IIII __________________________ GEPSET 3/8 MB SHGETV32IA III 1/8 BALSA 56 F-S _________YB BALSA TRACMIIG BY ~ 36 SPAN AEROSATIC BFLAIE Once model has fuel-proofed elevators can fitted top wing added Hinging elevators should done RC hinges either hinge points flap-type hinges pin top wing interplane struts fitted operation Slit covering between double ribs take interplane struts glue lower wing glue top wing onto cabane struts interplane struts Check alignment make sure cabane struts pressed against top center section sheeting top wing all-up weight should 40 oz since excess weight has very marked adverse effect performance have seen version built friend 50% heavier own very soggy fly Balance point should shown plan just about best locationbut little farther forward will harm room experiment line rake CG line guide interplane strut makes alterations line rake very simple Variations should now have standard Tiger Rag knowing modelers like change things model suit own taste lets look what alterations permis sible seriously affecting performance layout wing incidences thrust line balance point tail moment critical alteration area would increase tail moment up 2 would have too much effect looping radius really should used trying make Continued page 125 March 1982 57 1-41-3N-IN-IN-S WHG PLAN SET SAP TO TAIlS N NI#BETRIJT 2 YB PLY WBS LAPflNA GEAR LIE LEMATH ATTACH TS FULL-SIZE PLANSAVAILARLEFF PAE 1&fl This42-in span version powered bya Fox Schnuer1 ssue doped over yellow Little ship capable some remarkable PEANUT AND WALNUT SCALE PLANS ALSO NOW AVAILABLE DYES & ACCESSORIES OVER 20 PLANS FROM $125 T3 $2 Send SAE List Sitar sample plan & list DAVID DIE LS ox 101 Woodville Ohio 43469 section 105 ft high usually vexy good conditions regular fliers Bill Tyler model aviation pioneer photo shows Bill Manhattan Cabin model famous grin Another shot shows another Manhattan flying past statues decorate Low Library meet Euripedes Greek dramatist author 19 plays New technology pictures shows close-up view unique wing post used Brian Bradley Fulmer post made carbon fiber rod material obtained special sample given father material may available except special order example shows ingenuity modelersever alert new mater ials techniques Thank newsletter editor year try remind just much average model club member owes editor clubs news letter receive newsletters traded own often see other newsletters well newsletters range singlepage sheets announce meeting topics flying sessions ones 10 pages long longer technical articles hints kinks par ticular clubs winter-only Indoor activity Scale clubs typically have very large newsletters excellent plans Indoor hints plans Truly free infor mation boon almost club members no other way can get much information free Have hugged editor today Bud Tenny PO Box 545 Richardson TX 75080 Tiger Rag/Miller Co ntinued page 57 model resemble some full-size aircraft Wing tip tail surface shapes can altered provid ing area added kept same area both wings must remain equal major alteration would make top wing sweep back done move top wing forward half amount sweep-back Strut arrangements can altered mciIntroducing 5 1/2 center top cylinder head 3 1/2 center side carb Perfect 1/4 scale P-Si 1/3 Pitts Very smooth running List Like Quadra Splisasi twee-uteek muffin Ssnohe cersien uveiluhf Saekneesioennuiluhlu Dsshln-jnu Pius. high coinion 7 Iaeu lift Optie.I hkn Eusy heel ssutiq spas. fs foss RF riusisn Sslidbsse spy nut up tiseul sudiul sup oil. tlemt-hoasieg useiuninIp us msdf sireruff Powsn-hfetef fihs-wssghs flpwh.f 37 SUPER POWER ROPER 22 PARTNER ENGINE 22 OUAORA ENGINE 79 ROPER ENGINE NEW Sole Leatll 79 ENGINE HUB N MOUNT PACK 79 USEO OEMO ENGINE BALENCEO 6-BOGT HUB Rope Porte N OOdO PROP DRILL JIG New H S Hornet 42 CID 6 1/3 HP Only 6 1/4 lbs Youll Love Partner An updated verson ths popular engine Note improve ments made especially mini ature aircraft use roller thrust ~ double-ring piston location low 13 1/2 power output LIMITED TIME OFFER LIST $14995 SALE $9995 So compact measures much larger Quadra Partner engine Comes complete built choke 6 bolt prop hub Radial mount available ilso twin stack INTRO $19995 tieul hes spian Osasts turd runyn flussy-iste prop huh ME HORNER SPECIALS PARTRETAILSALE 712$24995$78900RAOIAL MOUNTReperi7N 79103 RAOIAL MOUNT Pores ea7723 717 72500$8995TWIN STACK EXHAUST2ZNKerlee705 708 72500TWIN STACK EXHAUST Partner Oeedre720 CHOKE ASSEMBLY Pomaer N Quadra727 709 95003995BRITE SPINNER Rope Part N Quad722 7794500NEOPRENE GAS LINE Per Feoll707 7702500RESISTOR SPARK PLUG RCJB173 BIG PROPS AVAILABLE Piasiahed oed Boleeeed Weed 7077495 702995 SALE $17995 SALE 7295 7200 2495 7995 500 7595 795 250 W-ile CALL Send 20 Stamp catalnaWill Ship Orders Same Day coDupsAdd 54 shppng per enane HORNER SALES INC Rt 2 Box 9300 Dixie Hwy. 312 946-2515 Beecher IL 60401 dence angles must remain designed central pylon could used instead cabane struts Another alternative cut struts sheet aluminum can splayed outward converge like Pitts Again watch inci dence angles try unless sure retaining unchanged Two experiments have tried flaps connecting rudder elevators flaps no beneficial effect coupled rudder actually reduced performance very quickly set fixed position Other ideas have tried various models throttled motors added display potential third line hindered aerobatic ability parachute dropping parachute attached right interplane strut released timer operating crop dusting hopper Flying above modifications additions show what can done model its basic form shown plan superb fun-flier have kept stressing performance lets look flying detail Bipes like lesser breeds aircraft will take off reasonably long grass reasonable mean 2 long fitted 2-ia wheels Just hold full up goleveling off soon airborne Once have gained confidence sure engine can keep full up takeoff goes half-loop inverted scares pants off spectators ready Once airborne model very stable both upright inverted have familiarized yourself handling characteristics model can start learning use peculiarities biplane full potential fairly tight mk 1 AVAILABLE NOWWane UPF 7 50-Blyn JB Special MK Ill 54~ Mono 75 Pipe Weiaht 78 lbs 2795 Travel Air 2000 705 Clasoc Scale Biplane 23 ISv 2295 Travel Air 4000 99~ Padal Eng Clansic Pipe 23 lbs 2295 Fokker 0-VII 88 Gennan WW FishIer Pipe 23 lbs 2495 coming Scee Sopirh Pup SO Eec Scprtirh Tepehoond 80 Triplane Waco ATO Lyjack Version 90 Piplane Ninopod 55 Bplann 35 Scale Fokker Ott 72 Triplane Plans shipped U PS Parcel PosL Please add $300 forpostaqe handlinG fastest seavice send poctaj money order No C 00 orders Sent BEHRENS PLAN SERVICE 31-27 Healy Ave Far Rockaway NY 11691 212 337-6987 March 1982 125 love 24 wI optional choke 3-FUNCTION ACCUETACH 0 Tachometer w/dual scale 0 capability lOX lOOX @ Digital Voltmeter load 5 && checking/cycling TX/RX battery combosACCtI-rACNI torquickII 7fl95 prepaid Psior nd check money order no CO D Calif residents Ifli'NTadd 6% tax P0 Box 70956 Sunnyvale CA 94086 rLi/7r e$d4Et Pde46 $9900 DELIVERED Four Folding Legs Wing Fuselage Holders Add $400 Shipping- colif 6% Tax RAC Products4oe 274-1g15 3200 Knightswood Way 0 San Jose cA P5148 FIBERGLASS COWLSL UNIVERSAL RADIALS 5 diameter-3 deep 600 5 diameter-3 deep 650 6 diameter-S deep 1200 7 diameter-4 deep 1000 7 diameter-SW deep 1000 9/a diameter-4 deep 1200 9 diameter-S deep 1200 10 diameter-9 deep 2500 11 diameter-6 deep 1800 11 diameter-7 deep......... 2000 ASTRO FLIGHT Porterfield ....... 500 TOP-FLITE P-39 Aircobra............. 600 P-40 Warhawk............. 900 P-47-D Thunderbolt F-8-F-2 Bearcat F-4U Corsair.............. 1000 J-3 Cub 800 WHEELPANTS 7 long 3 wheel 700 8 long 3-4 wheel ........ 800 9 long 4-4W wheel ........ 900 10 long 4¼-S/a wheel 1000 11 long 4-4W wheel 1100 12 long 5-6 wheel ........ 1200 SIG Kadet Kavalier Komander Kougar ... S50 Cessna 150 Liberty Sport Skybolt... 800 Smith Minibiplane Beech Bonanza ... 1000 COWLS FOR BEHRENS GIANT SCALE pLANS JB Special MK Ill Travel Air 2000 Fokker D-VII 1500 Travel Air 4000 $2000 wheelpants ... 1000 JACK STAFFORD B-24 set 4 1200 NEW MAULE LUNAR ROCKET MS Cowl 00Windshield 0 ORDERING INFORMATION Add $1 50 shipping charge Within US $200 outside US New York residents add 7% Ma ii order FIBERGLASS MASTER sales tax * FOR INFORMATION ON PLANS P 0 Box 1 34M Bayshore NY 11706 Write Behrens Plan Service 31-27 Healy Avenue Far RoCkaway NY 11691 call 212 337-6987 QUARTER SCALE J-3 Cub1000 Stinson Voyager1200 Fleet Biplane CONCEPT1200 Aeronca Champ BUD NOSEN1800 Mr Mulligan BUD NOSEN2000 P-Si Mustang BUD NOSEN2000 P-47-D Jug BUD NOSEN2500 Citabria cowl 00 wheelpants900 PICA FW 190 D-9 Waco F-31000 Cessna 182 Bucker Jungmeister1200 T-28B Trojan ............ 1500 JEMCO PT-19600 FW19OD-9650 ABM-3 Zero800 AT-6 North American1000 F-6-F Hellcat F-4tJ Corsairor P-47-DJug .. 1200 loop starting ending about 15 feet up Continue second ioop soon model reaches vertical climb position apply full up elevator model will loop its own length first few times neutralize elevators model reaches normal upright flight position just fly round next step continue flick loop until model again pointing straight up neutral ize elevators stage three things will happen depending power available enough power model will start sinic slowly tail slide case apply full down once nose has dropped fly away normally power just right model will slowly climb vertically soon lost height regained flick loop can repeated third possibility rare model will hang gain loss height Very spectacular quite safe Slight application either up down elevator will tilt model will start move around circle slowly increasing elevator control will get steady transition level flight upright inverted Alternatively model can made sway forwards backwards using slight up followed slight down elevator technique can also used slow climb situation once demonstrated perfect hover big Scale rally semi-Scale SE-S Afterwards someone came up told looked up model hovering convinced just about crash chaps attitude obvious did really believe what just seen Once doing flick loops two things careful first gets fascinated maneuver keeps doing until lines lock up few outside loops order day often unwind lines second point watch sometimes possible consecutive flick loops some height loss between Very often last will just brush ground tail will drop model onto its wheels followed normal takeoff stage crashes happen such slow speed low normally no damage quite possible fly stunt book Tiger Rag bit time until completely familiar hand ling model example outside loops tend bigger insides less line tension Landings easy keep nose down No attempt float model around circle should made because high drag bipe bleeds off speed fast Wind no problem model helps flick loops hovers breezy conditions always take off about 45 deg wind go straight inverted prevents wind getting under tail tipping model its nose also allows speed build up before coming wind very windy conditions entire flight can made downwind half circle have also made complete flights just lying back ground hope will tempted build Tiger Rag can promise will never regret first club build certainly will last because bug infectious also incurable CL Aerobatics/Paul Continued page 58 team tryouts since 1973 writer would suggest new President Preszler create new post ofFAI Coordinator PAMPA Keith now has retired PAMPA presidency hope would accept position idea keeping FAI tryouts outstanding contest has several years Basically would mean Keith would accept responsibility admin istering organizing FAI tryouts other year PAMPA should lose out standing administrator superior Contest Director Keith has always very deep concern FAI program interest should wasted As know LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW MASTER AIR~5jJJ IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS PO BOX 112 WINDSOR PROPELLER CO WINDSOR CA 95492 PR ESENTS BALSA STRIPPER A95 U AT vous DEALER PRECISION STRIP WOOD TO NS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 126 Model Aviation
Edition: Model Aviation - 1982/03
Page Numbers: 55, 56, 57, 125, 126
IN THE WORLD full-size aerobatics biplane can hold its own against best monoplanes No air show would complete least biplane performing small area right front spectators model world unlikely biplane would competitive contests although judges would probably appreciate change watching same type model hours end display work pure fun flying biplane Control Line Stunt model perfect Another advantage lower cost building often less half cost normal size 35-powered Stunt ship Because biplane has simpler structure component small makes ideal people limited building space small size also makes transport easier Tiger Rag will fit trunk compact car first biplane Stunter built 1961 time experimented type model between other aeromodeling activities Around 1970 finally made breakthrough gave aerobatics performance nearly equal current monoplane Stunters Since various refinements have made different structural methods tried layout Tiger Rag seems optimum type model thick wing section equal areas both wings thrust line passing just above center line gap between wings large stabilizer elevator big control deflectionsand no flaps Light weight also critical factor construction shown very light model very easy repair photos show current Tiger Rag after its second rebuild assembly cover top front decking rolled sheet rear top stringers add bottom stringers until lower wing fitted cowl made 3/16 balsa ply sides laminate own ply contact adhesive sheet bottom block front Tailor fit engine used held ply tongues four screws through fuselage sides Care must taken lower wing seat ensure sits 0 degrees incidence cutouts alsa sheet side cabane struts must accurate rolled sheet turtle deck front cockpit can fitted before gluing cabane struts trimmed allow struts fit flush sides cabane struts must cut fitted accurately because provide positive location top wing 1 degree incidence essential part aerodynamic layout aircraft good idea glue cabane struts place glue comparatively easy separate cabanes will usually break inverted landing intentional can save top wing serious damage top wing elevators fitted until model complete including fuel-proofing tail surfaces follow conventional practice elevators must move through total 900 travel 45 deg way control system must completely free far impor tant Tiger Rag other type model because flown limit will times model literally hanging prop no line tension controls must Merrie England comes biplane Control Line Stunter Bi plane better believe Though intended high level Preci sion Aerobatics can maneuvers thatll bug eyes out Its fun March 1982 55 result full power inverted bottom outside loop Tiger Rag show-stopper flown limit took CLAPA Control Line Aerobatic Pilots AssociationBritish version PAMPA Championships flew practice circle other events being flown am told people stopped Tiger Rag its latest incarnation watching contests watch Tiger Rag Two powered Fox 36 Its unusual-looking Tiger Rags have built Piotr Zawada top Control Line Stunter flies beautifully Polish Stunt flier friend used fly Combat displays country created tremendous amount interest Construction very easy am lazy builder design ease assembly shall simply give basic sequence concentrate areas peculiar biplanes basic fuselage assembled exactly same way conventional model Glue plywod doublers fuselage sides assemble bearers front formers landing gear glue sides rmer assembly add rear formers control Rear-exhaust Fox 36 RE requires muffler setup keeps plane looking very clean neeo D8158 must placed between muffler tank keep fuel boiling away still work fully freely condition wings simple build no leading edge sheetand center section sheet ends straight line again reduces damage providing designed break point central spar does mean slightly work cutting Out wing ribs smooth wing section results makes very marked improvement per formance spar combined inset trailing edge leading edge provides very warp-resistant structure Slide ribs onto spar making sure strut ribs correct locations Insert trailing edge leading edge slots ribs Block up assembly over plan glue joints Laminate tips wing drying fit place Lift completed wing board add center section sheeting Remember top wing has extra ribs slots lower surface sheeting cabane struts Add ip weight top bottom wings complete job cabane struts designed push right up top sheet top wing thus ensuring accurate alignment tank shown gives very good steady engine runs muffler pressure can used preferred tank should easily removable can get will have no problems built permanently will leakanother example Murphys Law used Fox Rear-Exhaust 36 Stunt current Tiger Rag use engine other rear-exhaust engine vital insulate tank bottom heet balsa extend piece pipe down back engine Otherwise fuel will simply boil out vents making short runs mucky models so expensive Side-exhaust motors present no problems cowl designed muffler can fitted no extra work power range fairly critical model Too little power will result poor performance simple aerobatics can performed good 25 other hand too much power prevents model doing some RY CAAAJE STRUT BALSA SIDE RAWO0O PLY DC LLORAM MOWT-4z2S~X PLY DORALER BALSA FUSELABE aDE N cGdsrRucTloN OETAIL S8SBALSA ELEVATOR CORTRO H Jf ___ STABILIZER MAY BE BAT UP AS SHOWN OR MADE FROR 551 UPSET 3B SHEE OF I/4 BALSA HW4DES MIST LY EALSA ROBART ISB3ES ARE RECCABRUSED WB3B LEA S COFTR5 LM SWE AIGGINS DETAL FEED TUBE STOPS HERETMADE SPRUCE LEAD W LEFT ORLY L STOP UP ThIS VENT FOR PUGHT FUEL TANK DETAIL NOT TO SCALE way-out contortions described section flying would recommend good 29s 35s used 10 x 6 props first Tiger Rag 42-in span version Schnuerle 40 Fox series got its name. Hold Tiger Covering finishing can builders choice Some Tiger Rags have covered heat-shrink film others used tissue dope main thing remember add too much weight large areas covered tissue mean filling grain kept minimum always use nitrate dopes cannot get Butyrate dope Engiand paint model car touch-up spray cans followed two-part fuel-proofer Polish Stunt champ Piotr Zawada sent shot two Tiger Rags spruced up look like WW fighters Ship raises eyebrows everywhere 56 Model Aviation Struts version Tiger Rag simplified due creative laziness author claims ALL WRIG RIBS ME 3/SA BALSA N-A 4 N-S 4 COBS WITh AMNATIcPIB m -CARVE AND______ N NATO T-2 // T-2N L/5 BAlSA SEET Hzzz[LizzrY-i9iEI17cr7 [1__ WIBBALSA SEETN-I 10siB N3 4BOnON SAND120CENTER SECTION RIB LOCATION Zfl- NDTSAOWN SON 0ARITYLEACANS EDGE RIND AJAD EPOXY CE TIP WEIQAT TV TIE LOWER WTS1GE WEdS F- N-S1-4NA T-2 BALSA WY II1LicrvV SIBET TRAUMA ___________ ______________cii T7 3/TB BALSA SlEET SPAR- MAY BE ONE PIECE ON JORIED WITH VIE PLY BRACE AS 540A1A B RIBS 2 SPEWERTANK MY -t __ ___ IIS-V2 I/IA PLYT ROOF 4[JLr11IIII __________________________ GEPSET 3/8 MB SHGETV32IA III 1/8 BALSA 56 F-S _________YB BALSA TRACMIIG BY ~ 36 SPAN AEROSATIC BFLAIE Once model has fuel-proofed elevators can fitted top wing added Hinging elevators should done RC hinges either hinge points flap-type hinges pin top wing interplane struts fitted operation Slit covering between double ribs take interplane struts glue lower wing glue top wing onto cabane struts interplane struts Check alignment make sure cabane struts pressed against top center section sheeting top wing all-up weight should 40 oz since excess weight has very marked adverse effect performance have seen version built friend 50% heavier own very soggy fly Balance point should shown plan just about best locationbut little farther forward will harm room experiment line rake CG line guide interplane strut makes alterations line rake very simple Variations should now have standard Tiger Rag knowing modelers like change things model suit own taste lets look what alterations permis sible seriously affecting performance layout wing incidences thrust line balance point tail moment critical alteration area would increase tail moment up 2 would have too much effect looping radius really should used trying make Continued page 125 March 1982 57 1-41-3N-IN-IN-S WHG PLAN SET SAP TO TAIlS N NI#BETRIJT 2 YB PLY WBS LAPflNA GEAR LIE LEMATH ATTACH TS FULL-SIZE PLANSAVAILARLEFF PAE 1&fl This42-in span version powered bya Fox Schnuer1 ssue doped over yellow Little ship capable some remarkable PEANUT AND WALNUT SCALE PLANS ALSO NOW AVAILABLE DYES & ACCESSORIES OVER 20 PLANS FROM $125 T3 $2 Send SAE List Sitar sample plan & list DAVID DIE LS ox 101 Woodville Ohio 43469 section 105 ft high usually vexy good conditions regular fliers Bill Tyler model aviation pioneer photo shows Bill Manhattan Cabin model famous grin Another shot shows another Manhattan flying past statues decorate Low Library meet Euripedes Greek dramatist author 19 plays New technology pictures shows close-up view unique wing post used Brian Bradley Fulmer post made carbon fiber rod material obtained special sample given father material may available except special order example shows ingenuity modelersever alert new mater ials techniques Thank newsletter editor year try remind just much average model club member owes editor clubs news letter receive newsletters traded own often see other newsletters well newsletters range singlepage sheets announce meeting topics flying sessions ones 10 pages long longer technical articles hints kinks par ticular clubs winter-only Indoor activity Scale clubs typically have very large newsletters excellent plans Indoor hints plans Truly free infor mation boon almost club members no other way can get much information free Have hugged editor today Bud Tenny PO Box 545 Richardson TX 75080 Tiger Rag/Miller Co ntinued page 57 model resemble some full-size aircraft Wing tip tail surface shapes can altered provid ing area added kept same area both wings must remain equal major alteration would make top wing sweep back done move top wing forward half amount sweep-back Strut arrangements can altered mciIntroducing 5 1/2 center top cylinder head 3 1/2 center side carb Perfect 1/4 scale P-Si 1/3 Pitts Very smooth running List Like Quadra Splisasi twee-uteek muffin Ssnohe cersien uveiluhf Saekneesioennuiluhlu Dsshln-jnu Pius. high coinion 7 Iaeu lift Optie.I hkn Eusy heel ssutiq spas. fs foss RF riusisn Sslidbsse spy nut up tiseul sudiul sup oil. tlemt-hoasieg useiuninIp us msdf sireruff Powsn-hfetef fihs-wssghs flpwh.f 37 SUPER POWER ROPER 22 PARTNER ENGINE 22 OUAORA ENGINE 79 ROPER ENGINE NEW Sole Leatll 79 ENGINE HUB N MOUNT PACK 79 USEO OEMO ENGINE BALENCEO 6-BOGT HUB Rope Porte N OOdO PROP DRILL JIG New H S Hornet 42 CID 6 1/3 HP Only 6 1/4 lbs Youll Love Partner An updated verson ths popular engine Note improve ments made especially mini ature aircraft use roller thrust ~ double-ring piston location low 13 1/2 power output LIMITED TIME OFFER LIST $14995 SALE $9995 So compact measures much larger Quadra Partner engine Comes complete built choke 6 bolt prop hub Radial mount available ilso twin stack INTRO $19995 tieul hes spian Osasts turd runyn flussy-iste prop huh ME HORNER SPECIALS PARTRETAILSALE 712$24995$78900RAOIAL MOUNTReperi7N 79103 RAOIAL MOUNT Pores ea7723 717 72500$8995TWIN STACK EXHAUST2ZNKerlee705 708 72500TWIN STACK EXHAUST Partner Oeedre720 CHOKE ASSEMBLY Pomaer N Quadra727 709 95003995BRITE SPINNER Rope Part N Quad722 7794500NEOPRENE GAS LINE Per Feoll707 7702500RESISTOR SPARK PLUG RCJB173 BIG PROPS AVAILABLE Piasiahed oed Boleeeed Weed 7077495 702995 SALE $17995 SALE 7295 7200 2495 7995 500 7595 795 250 W-ile CALL Send 20 Stamp catalnaWill Ship Orders Same Day coDupsAdd 54 shppng per enane HORNER SALES INC Rt 2 Box 9300 Dixie Hwy. 312 946-2515 Beecher IL 60401 dence angles must remain designed central pylon could used instead cabane struts Another alternative cut struts sheet aluminum can splayed outward converge like Pitts Again watch inci dence angles try unless sure retaining unchanged Two experiments have tried flaps connecting rudder elevators flaps no beneficial effect coupled rudder actually reduced performance very quickly set fixed position Other ideas have tried various models throttled motors added display potential third line hindered aerobatic ability parachute dropping parachute attached right interplane strut released timer operating crop dusting hopper Flying above modifications additions show what can done model its basic form shown plan superb fun-flier have kept stressing performance lets look flying detail Bipes like lesser breeds aircraft will take off reasonably long grass reasonable mean 2 long fitted 2-ia wheels Just hold full up goleveling off soon airborne Once have gained confidence sure engine can keep full up takeoff goes half-loop inverted scares pants off spectators ready Once airborne model very stable both upright inverted have familiarized yourself handling characteristics model can start learning use peculiarities biplane full potential fairly tight mk 1 AVAILABLE NOWWane UPF 7 50-Blyn JB Special MK Ill 54~ Mono 75 Pipe Weiaht 78 lbs 2795 Travel Air 2000 705 Clasoc Scale Biplane 23 ISv 2295 Travel Air 4000 99~ Padal Eng Clansic Pipe 23 lbs 2295 Fokker 0-VII 88 Gennan WW FishIer Pipe 23 lbs 2495 coming Scee Sopirh Pup SO Eec Scprtirh Tepehoond 80 Triplane Waco ATO Lyjack Version 90 Piplane Ninopod 55 Bplann 35 Scale Fokker Ott 72 Triplane Plans shipped U PS Parcel PosL Please add $300 forpostaqe handlinG fastest seavice send poctaj money order No C 00 orders Sent BEHRENS PLAN SERVICE 31-27 Healy Ave Far Rockaway NY 11691 212 337-6987 March 1982 125 love 24 wI optional choke 3-FUNCTION ACCUETACH 0 Tachometer w/dual scale 0 capability lOX lOOX @ Digital Voltmeter load 5 && checking/cycling TX/RX battery combosACCtI-rACNI torquickII 7fl95 prepaid Psior nd check money order no CO D Calif residents Ifli'NTadd 6% tax P0 Box 70956 Sunnyvale CA 94086 rLi/7r e$d4Et Pde46 $9900 DELIVERED Four Folding Legs Wing Fuselage Holders Add $400 Shipping- colif 6% Tax RAC Products4oe 274-1g15 3200 Knightswood Way 0 San Jose cA P5148 FIBERGLASS COWLSL UNIVERSAL RADIALS 5 diameter-3 deep 600 5 diameter-3 deep 650 6 diameter-S deep 1200 7 diameter-4 deep 1000 7 diameter-SW deep 1000 9/a diameter-4 deep 1200 9 diameter-S deep 1200 10 diameter-9 deep 2500 11 diameter-6 deep 1800 11 diameter-7 deep......... 2000 ASTRO FLIGHT Porterfield ....... 500 TOP-FLITE P-39 Aircobra............. 600 P-40 Warhawk............. 900 P-47-D Thunderbolt F-8-F-2 Bearcat F-4U Corsair.............. 1000 J-3 Cub 800 WHEELPANTS 7 long 3 wheel 700 8 long 3-4 wheel ........ 800 9 long 4-4W wheel ........ 900 10 long 4¼-S/a wheel 1000 11 long 4-4W wheel 1100 12 long 5-6 wheel ........ 1200 SIG Kadet Kavalier Komander Kougar ... S50 Cessna 150 Liberty Sport Skybolt... 800 Smith Minibiplane Beech Bonanza ... 1000 COWLS FOR BEHRENS GIANT SCALE pLANS JB Special MK Ill Travel Air 2000 Fokker D-VII 1500 Travel Air 4000 $2000 wheelpants ... 1000 JACK STAFFORD B-24 set 4 1200 NEW MAULE LUNAR ROCKET MS Cowl 00Windshield 0 ORDERING INFORMATION Add $1 50 shipping charge Within US $200 outside US New York residents add 7% Ma ii order FIBERGLASS MASTER sales tax * FOR INFORMATION ON PLANS P 0 Box 1 34M Bayshore NY 11706 Write Behrens Plan Service 31-27 Healy Avenue Far RoCkaway NY 11691 call 212 337-6987 QUARTER SCALE J-3 Cub1000 Stinson Voyager1200 Fleet Biplane CONCEPT1200 Aeronca Champ BUD NOSEN1800 Mr Mulligan BUD NOSEN2000 P-Si Mustang BUD NOSEN2000 P-47-D Jug BUD NOSEN2500 Citabria cowl 00 wheelpants900 PICA FW 190 D-9 Waco F-31000 Cessna 182 Bucker Jungmeister1200 T-28B Trojan ............ 1500 JEMCO PT-19600 FW19OD-9650 ABM-3 Zero800 AT-6 North American1000 F-6-F Hellcat F-4tJ Corsairor P-47-DJug .. 1200 loop starting ending about 15 feet up Continue second ioop soon model reaches vertical climb position apply full up elevator model will loop its own length first few times neutralize elevators model reaches normal upright flight position just fly round next step continue flick loop until model again pointing straight up neutral ize elevators stage three things will happen depending power available enough power model will start sinic slowly tail slide case apply full down once nose has dropped fly away normally power just right model will slowly climb vertically soon lost height regained flick loop can repeated third possibility rare model will hang gain loss height Very spectacular quite safe Slight application either up down elevator will tilt model will start move around circle slowly increasing elevator control will get steady transition level flight upright inverted Alternatively model can made sway forwards backwards using slight up followed slight down elevator technique can also used slow climb situation once demonstrated perfect hover big Scale rally semi-Scale SE-S Afterwards someone came up told looked up model hovering convinced just about crash chaps attitude obvious did really believe what just seen Once doing flick loops two things careful first gets fascinated maneuver keeps doing until lines lock up few outside loops order day often unwind lines second point watch sometimes possible consecutive flick loops some height loss between Very often last will just brush ground tail will drop model onto its wheels followed normal takeoff stage crashes happen such slow speed low normally no damage quite possible fly stunt book Tiger Rag bit time until completely familiar hand ling model example outside loops tend bigger insides less line tension Landings easy keep nose down No attempt float model around circle should made because high drag bipe bleeds off speed fast Wind no problem model helps flick loops hovers breezy conditions always take off about 45 deg wind go straight inverted prevents wind getting under tail tipping model its nose also allows speed build up before coming wind very windy conditions entire flight can made downwind half circle have also made complete flights just lying back ground hope will tempted build Tiger Rag can promise will never regret first club build certainly will last because bug infectious also incurable CL Aerobatics/Paul Continued page 58 team tryouts since 1973 writer would suggest new President Preszler create new post ofFAI Coordinator PAMPA Keith now has retired PAMPA presidency hope would accept position idea keeping FAI tryouts outstanding contest has several years Basically would mean Keith would accept responsibility admin istering organizing FAI tryouts other year PAMPA should lose out standing administrator superior Contest Director Keith has always very deep concern FAI program interest should wasted As know LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW MASTER AIR~5jJJ IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS PO BOX 112 WINDSOR PROPELLER CO WINDSOR CA 95492 PR ESENTS BALSA STRIPPER A95 U AT vous DEALER PRECISION STRIP WOOD TO NS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 126 Model Aviation
Edition: Model Aviation - 1982/03
Page Numbers: 55, 56, 57, 125, 126
IN THE WORLD full-size aerobatics biplane can hold its own against best monoplanes No air show would complete least biplane performing small area right front spectators model world unlikely biplane would competitive contests although judges would probably appreciate change watching same type model hours end display work pure fun flying biplane Control Line Stunt model perfect Another advantage lower cost building often less half cost normal size 35-powered Stunt ship Because biplane has simpler structure component small makes ideal people limited building space small size also makes transport easier Tiger Rag will fit trunk compact car first biplane Stunter built 1961 time experimented type model between other aeromodeling activities Around 1970 finally made breakthrough gave aerobatics performance nearly equal current monoplane Stunters Since various refinements have made different structural methods tried layout Tiger Rag seems optimum type model thick wing section equal areas both wings thrust line passing just above center line gap between wings large stabilizer elevator big control deflectionsand no flaps Light weight also critical factor construction shown very light model very easy repair photos show current Tiger Rag after its second rebuild assembly cover top front decking rolled sheet rear top stringers add bottom stringers until lower wing fitted cowl made 3/16 balsa ply sides laminate own ply contact adhesive sheet bottom block front Tailor fit engine used held ply tongues four screws through fuselage sides Care must taken lower wing seat ensure sits 0 degrees incidence cutouts alsa sheet side cabane struts must accurate rolled sheet turtle deck front cockpit can fitted before gluing cabane struts trimmed allow struts fit flush sides cabane struts must cut fitted accurately because provide positive location top wing 1 degree incidence essential part aerodynamic layout aircraft good idea glue cabane struts place glue comparatively easy separate cabanes will usually break inverted landing intentional can save top wing serious damage top wing elevators fitted until model complete including fuel-proofing tail surfaces follow conventional practice elevators must move through total 900 travel 45 deg way control system must completely free far impor tant Tiger Rag other type model because flown limit will times model literally hanging prop no line tension controls must Merrie England comes biplane Control Line Stunter Bi plane better believe Though intended high level Preci sion Aerobatics can maneuvers thatll bug eyes out Its fun March 1982 55 result full power inverted bottom outside loop Tiger Rag show-stopper flown limit took CLAPA Control Line Aerobatic Pilots AssociationBritish version PAMPA Championships flew practice circle other events being flown am told people stopped Tiger Rag its latest incarnation watching contests watch Tiger Rag Two powered Fox 36 Its unusual-looking Tiger Rags have built Piotr Zawada top Control Line Stunter flies beautifully Polish Stunt flier friend used fly Combat displays country created tremendous amount interest Construction very easy am lazy builder design ease assembly shall simply give basic sequence concentrate areas peculiar biplanes basic fuselage assembled exactly same way conventional model Glue plywod doublers fuselage sides assemble bearers front formers landing gear glue sides rmer assembly add rear formers control Rear-exhaust Fox 36 RE requires muffler setup keeps plane looking very clean neeo D8158 must placed between muffler tank keep fuel boiling away still work fully freely condition wings simple build no leading edge sheetand center section sheet ends straight line again reduces damage providing designed break point central spar does mean slightly work cutting Out wing ribs smooth wing section results makes very marked improvement per formance spar combined inset trailing edge leading edge provides very warp-resistant structure Slide ribs onto spar making sure strut ribs correct locations Insert trailing edge leading edge slots ribs Block up assembly over plan glue joints Laminate tips wing drying fit place Lift completed wing board add center section sheeting Remember top wing has extra ribs slots lower surface sheeting cabane struts Add ip weight top bottom wings complete job cabane struts designed push right up top sheet top wing thus ensuring accurate alignment tank shown gives very good steady engine runs muffler pressure can used preferred tank should easily removable can get will have no problems built permanently will leakanother example Murphys Law used Fox Rear-Exhaust 36 Stunt current Tiger Rag use engine other rear-exhaust engine vital insulate tank bottom heet balsa extend piece pipe down back engine Otherwise fuel will simply boil out vents making short runs mucky models so expensive Side-exhaust motors present no problems cowl designed muffler can fitted no extra work power range fairly critical model Too little power will result poor performance simple aerobatics can performed good 25 other hand too much power prevents model doing some RY CAAAJE STRUT BALSA SIDE RAWO0O PLY DC LLORAM MOWT-4z2S~X PLY DORALER BALSA FUSELABE aDE N cGdsrRucTloN OETAIL S8SBALSA ELEVATOR CORTRO H Jf ___ STABILIZER MAY BE BAT UP AS SHOWN OR MADE FROR 551 UPSET 3B SHEE OF I/4 BALSA HW4DES MIST LY EALSA ROBART ISB3ES ARE RECCABRUSED WB3B LEA S COFTR5 LM SWE AIGGINS DETAL FEED TUBE STOPS HERETMADE SPRUCE LEAD W LEFT ORLY L STOP UP ThIS VENT FOR PUGHT FUEL TANK DETAIL NOT TO SCALE way-out contortions described section flying would recommend good 29s 35s used 10 x 6 props first Tiger Rag 42-in span version Schnuerle 40 Fox series got its name. Hold Tiger Covering finishing can builders choice Some Tiger Rags have covered heat-shrink film others used tissue dope main thing remember add too much weight large areas covered tissue mean filling grain kept minimum always use nitrate dopes cannot get Butyrate dope Engiand paint model car touch-up spray cans followed two-part fuel-proofer Polish Stunt champ Piotr Zawada sent shot two Tiger Rags spruced up look like WW fighters Ship raises eyebrows everywhere 56 Model Aviation Struts version Tiger Rag simplified due creative laziness author claims ALL WRIG RIBS ME 3/SA BALSA N-A 4 N-S 4 COBS WITh AMNATIcPIB m -CARVE AND______ N NATO T-2 // T-2N L/5 BAlSA SEET Hzzz[LizzrY-i9iEI17cr7 [1__ WIBBALSA SEETN-I 10siB N3 4BOnON SAND120CENTER SECTION RIB LOCATION Zfl- NDTSAOWN SON 0ARITYLEACANS EDGE RIND AJAD EPOXY CE TIP WEIQAT TV TIE LOWER WTS1GE WEdS F- N-S1-4NA T-2 BALSA WY II1LicrvV SIBET TRAUMA ___________ ______________cii T7 3/TB BALSA SlEET SPAR- MAY BE ONE PIECE ON JORIED WITH VIE PLY BRACE AS 540A1A B RIBS 2 SPEWERTANK MY -t __ ___ IIS-V2 I/IA PLYT ROOF 4[JLr11IIII __________________________ GEPSET 3/8 MB SHGETV32IA III 1/8 BALSA 56 F-S _________YB BALSA TRACMIIG BY ~ 36 SPAN AEROSATIC BFLAIE Once model has fuel-proofed elevators can fitted top wing added Hinging elevators should done RC hinges either hinge points flap-type hinges pin top wing interplane struts fitted operation Slit covering between double ribs take interplane struts glue lower wing glue top wing onto cabane struts interplane struts Check alignment make sure cabane struts pressed against top center section sheeting top wing all-up weight should 40 oz since excess weight has very marked adverse effect performance have seen version built friend 50% heavier own very soggy fly Balance point should shown plan just about best locationbut little farther forward will harm room experiment line rake CG line guide interplane strut makes alterations line rake very simple Variations should now have standard Tiger Rag knowing modelers like change things model suit own taste lets look what alterations permis sible seriously affecting performance layout wing incidences thrust line balance point tail moment critical alteration area would increase tail moment up 2 would have too much effect looping radius really should used trying make Continued page 125 March 1982 57 1-41-3N-IN-IN-S WHG PLAN SET SAP TO TAIlS N NI#BETRIJT 2 YB PLY WBS LAPflNA GEAR LIE LEMATH ATTACH TS FULL-SIZE PLANSAVAILARLEFF PAE 1&fl This42-in span version powered bya Fox Schnuer1 ssue doped over yellow Little ship capable some remarkable PEANUT AND WALNUT SCALE PLANS ALSO NOW AVAILABLE DYES & ACCESSORIES OVER 20 PLANS FROM $125 T3 $2 Send SAE List Sitar sample plan & list DAVID DIE LS ox 101 Woodville Ohio 43469 section 105 ft high usually vexy good conditions regular fliers Bill Tyler model aviation pioneer photo shows Bill Manhattan Cabin model famous grin Another shot shows another Manhattan flying past statues decorate Low Library meet Euripedes Greek dramatist author 19 plays New technology pictures shows close-up view unique wing post used Brian Bradley Fulmer post made carbon fiber rod material obtained special sample given father material may available except special order example shows ingenuity modelersever alert new mater ials techniques Thank newsletter editor year try remind just much average model club member owes editor clubs news letter receive newsletters traded own often see other newsletters well newsletters range singlepage sheets announce meeting topics flying sessions ones 10 pages long longer technical articles hints kinks par ticular clubs winter-only Indoor activity Scale clubs typically have very large newsletters excellent plans Indoor hints plans Truly free infor mation boon almost club members no other way can get much information free Have hugged editor today Bud Tenny PO Box 545 Richardson TX 75080 Tiger Rag/Miller Co ntinued page 57 model resemble some full-size aircraft Wing tip tail surface shapes can altered provid ing area added kept same area both wings must remain equal major alteration would make top wing sweep back done move top wing forward half amount sweep-back Strut arrangements can altered mciIntroducing 5 1/2 center top cylinder head 3 1/2 center side carb Perfect 1/4 scale P-Si 1/3 Pitts Very smooth running List Like Quadra Splisasi twee-uteek muffin Ssnohe cersien uveiluhf Saekneesioennuiluhlu Dsshln-jnu Pius. high coinion 7 Iaeu lift Optie.I hkn Eusy heel ssutiq spas. fs foss RF riusisn Sslidbsse spy nut up tiseul sudiul sup oil. tlemt-hoasieg useiuninIp us msdf sireruff Powsn-hfetef fihs-wssghs flpwh.f 37 SUPER POWER ROPER 22 PARTNER ENGINE 22 OUAORA ENGINE 79 ROPER ENGINE NEW Sole Leatll 79 ENGINE HUB N MOUNT PACK 79 USEO OEMO ENGINE BALENCEO 6-BOGT HUB Rope Porte N OOdO PROP DRILL JIG New H S Hornet 42 CID 6 1/3 HP Only 6 1/4 lbs Youll Love Partner An updated verson ths popular engine Note improve ments made especially mini ature aircraft use roller thrust ~ double-ring piston location low 13 1/2 power output LIMITED TIME OFFER LIST $14995 SALE $9995 So compact measures much larger Quadra Partner engine Comes complete built choke 6 bolt prop hub Radial mount available ilso twin stack INTRO $19995 tieul hes spian Osasts turd runyn flussy-iste prop huh ME HORNER SPECIALS PARTRETAILSALE 712$24995$78900RAOIAL MOUNTReperi7N 79103 RAOIAL MOUNT Pores ea7723 717 72500$8995TWIN STACK EXHAUST2ZNKerlee705 708 72500TWIN STACK EXHAUST Partner Oeedre720 CHOKE ASSEMBLY Pomaer N Quadra727 709 95003995BRITE SPINNER Rope Part N Quad722 7794500NEOPRENE GAS LINE Per Feoll707 7702500RESISTOR SPARK PLUG RCJB173 BIG PROPS AVAILABLE Piasiahed oed Boleeeed Weed 7077495 702995 SALE $17995 SALE 7295 7200 2495 7995 500 7595 795 250 W-ile CALL Send 20 Stamp catalnaWill Ship Orders Same Day coDupsAdd 54 shppng per enane HORNER SALES INC Rt 2 Box 9300 Dixie Hwy. 312 946-2515 Beecher IL 60401 dence angles must remain designed central pylon could used instead cabane struts Another alternative cut struts sheet aluminum can splayed outward converge like Pitts Again watch inci dence angles try unless sure retaining unchanged Two experiments have tried flaps connecting rudder elevators flaps no beneficial effect coupled rudder actually reduced performance very quickly set fixed position Other ideas have tried various models throttled motors added display potential third line hindered aerobatic ability parachute dropping parachute attached right interplane strut released timer operating crop dusting hopper Flying above modifications additions show what can done model its basic form shown plan superb fun-flier have kept stressing performance lets look flying detail Bipes like lesser breeds aircraft will take off reasonably long grass reasonable mean 2 long fitted 2-ia wheels Just hold full up goleveling off soon airborne Once have gained confidence sure engine can keep full up takeoff goes half-loop inverted scares pants off spectators ready Once airborne model very stable both upright inverted have familiarized yourself handling characteristics model can start learning use peculiarities biplane full potential fairly tight mk 1 AVAILABLE NOWWane UPF 7 50-Blyn JB Special MK Ill 54~ Mono 75 Pipe Weiaht 78 lbs 2795 Travel Air 2000 705 Clasoc Scale Biplane 23 ISv 2295 Travel Air 4000 99~ Padal Eng Clansic Pipe 23 lbs 2295 Fokker 0-VII 88 Gennan WW FishIer Pipe 23 lbs 2495 coming Scee Sopirh Pup SO Eec Scprtirh Tepehoond 80 Triplane Waco ATO Lyjack Version 90 Piplane Ninopod 55 Bplann 35 Scale Fokker Ott 72 Triplane Plans shipped U PS Parcel PosL Please add $300 forpostaqe handlinG fastest seavice send poctaj money order No C 00 orders Sent BEHRENS PLAN SERVICE 31-27 Healy Ave Far Rockaway NY 11691 212 337-6987 March 1982 125 love 24 wI optional choke 3-FUNCTION ACCUETACH 0 Tachometer w/dual scale 0 capability lOX lOOX @ Digital Voltmeter load 5 && checking/cycling TX/RX battery combosACCtI-rACNI torquickII 7fl95 prepaid Psior nd check money order no CO D Calif residents Ifli'NTadd 6% tax P0 Box 70956 Sunnyvale CA 94086 rLi/7r e$d4Et Pde46 $9900 DELIVERED Four Folding Legs Wing Fuselage Holders Add $400 Shipping- colif 6% Tax RAC Products4oe 274-1g15 3200 Knightswood Way 0 San Jose cA P5148 FIBERGLASS COWLSL UNIVERSAL RADIALS 5 diameter-3 deep 600 5 diameter-3 deep 650 6 diameter-S deep 1200 7 diameter-4 deep 1000 7 diameter-SW deep 1000 9/a diameter-4 deep 1200 9 diameter-S deep 1200 10 diameter-9 deep 2500 11 diameter-6 deep 1800 11 diameter-7 deep......... 2000 ASTRO FLIGHT Porterfield ....... 500 TOP-FLITE P-39 Aircobra............. 600 P-40 Warhawk............. 900 P-47-D Thunderbolt F-8-F-2 Bearcat F-4U Corsair.............. 1000 J-3 Cub 800 WHEELPANTS 7 long 3 wheel 700 8 long 3-4 wheel ........ 800 9 long 4-4W wheel ........ 900 10 long 4¼-S/a wheel 1000 11 long 4-4W wheel 1100 12 long 5-6 wheel ........ 1200 SIG Kadet Kavalier Komander Kougar ... S50 Cessna 150 Liberty Sport Skybolt... 800 Smith Minibiplane Beech Bonanza ... 1000 COWLS FOR BEHRENS GIANT SCALE pLANS JB Special MK Ill Travel Air 2000 Fokker D-VII 1500 Travel Air 4000 $2000 wheelpants ... 1000 JACK STAFFORD B-24 set 4 1200 NEW MAULE LUNAR ROCKET MS Cowl 00Windshield 0 ORDERING INFORMATION Add $1 50 shipping charge Within US $200 outside US New York residents add 7% Ma ii order FIBERGLASS MASTER sales tax * FOR INFORMATION ON PLANS P 0 Box 1 34M Bayshore NY 11706 Write Behrens Plan Service 31-27 Healy Avenue Far RoCkaway NY 11691 call 212 337-6987 QUARTER SCALE J-3 Cub1000 Stinson Voyager1200 Fleet Biplane CONCEPT1200 Aeronca Champ BUD NOSEN1800 Mr Mulligan BUD NOSEN2000 P-Si Mustang BUD NOSEN2000 P-47-D Jug BUD NOSEN2500 Citabria cowl 00 wheelpants900 PICA FW 190 D-9 Waco F-31000 Cessna 182 Bucker Jungmeister1200 T-28B Trojan ............ 1500 JEMCO PT-19600 FW19OD-9650 ABM-3 Zero800 AT-6 North American1000 F-6-F Hellcat F-4tJ Corsairor P-47-DJug .. 1200 loop starting ending about 15 feet up Continue second ioop soon model reaches vertical climb position apply full up elevator model will loop its own length first few times neutralize elevators model reaches normal upright flight position just fly round next step continue flick loop until model again pointing straight up neutral ize elevators stage three things will happen depending power available enough power model will start sinic slowly tail slide case apply full down once nose has dropped fly away normally power just right model will slowly climb vertically soon lost height regained flick loop can repeated third possibility rare model will hang gain loss height Very spectacular quite safe Slight application either up down elevator will tilt model will start move around circle slowly increasing elevator control will get steady transition level flight upright inverted Alternatively model can made sway forwards backwards using slight up followed slight down elevator technique can also used slow climb situation once demonstrated perfect hover big Scale rally semi-Scale SE-S Afterwards someone came up told looked up model hovering convinced just about crash chaps attitude obvious did really believe what just seen Once doing flick loops two things careful first gets fascinated maneuver keeps doing until lines lock up few outside loops order day often unwind lines second point watch sometimes possible consecutive flick loops some height loss between Very often last will just brush ground tail will drop model onto its wheels followed normal takeoff stage crashes happen such slow speed low normally no damage quite possible fly stunt book Tiger Rag bit time until completely familiar hand ling model example outside loops tend bigger insides less line tension Landings easy keep nose down No attempt float model around circle should made because high drag bipe bleeds off speed fast Wind no problem model helps flick loops hovers breezy conditions always take off about 45 deg wind go straight inverted prevents wind getting under tail tipping model its nose also allows speed build up before coming wind very windy conditions entire flight can made downwind half circle have also made complete flights just lying back ground hope will tempted build Tiger Rag can promise will never regret first club build certainly will last because bug infectious also incurable CL Aerobatics/Paul Continued page 58 team tryouts since 1973 writer would suggest new President Preszler create new post ofFAI Coordinator PAMPA Keith now has retired PAMPA presidency hope would accept position idea keeping FAI tryouts outstanding contest has several years Basically would mean Keith would accept responsibility admin istering organizing FAI tryouts other year PAMPA should lose out standing administrator superior Contest Director Keith has always very deep concern FAI program interest should wasted As know LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW MASTER AIR~5jJJ IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS PO BOX 112 WINDSOR PROPELLER CO WINDSOR CA 95492 PR ESENTS BALSA STRIPPER A95 U AT vous DEALER PRECISION STRIP WOOD TO NS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 126 Model Aviation