Super Bug

4 U DB Mathews -I ) NOW HERE IS model design true blue blooded pedigree Its great grandmother Walt Bill Goods pioneering frequent Nationals RC winning Big Guff now Smithsonian Grandmother Rudder Bug 1948 Good design published Model Airplane News 1949 year no less 11 32 entries Radio Control Olathe KS Photos author Don Robinaon Graphic Daaign Carla Kunz Nationals Rudder Bugs projects mother Royal Rudder Bug scaled-down Bug published February 1954 Flying Models kitted Berkeley Models same year version differed noticeably its five-foot wingspan compared originals six feet replacement original undercambered airfoil ubiquitous Clark Y use smaller radio system 26 Model Aviation r )) - ) Bug air rest handles well ground flies slowly looks suspended 1952 largely through efforts AMA Citizen Band 27 mHz 465 mHz made available exam-free license-free modeling use relaxation requirements opened door Ham requirement insurmountable obstacle Several manufacturers began market assembled kit units RC segment hobby suddenly exited experimenters workshops began become practical reality modelers new version developed original Flying Models Berkeley plans used build Royal Bug 1954 powered greenhead K&B 19 controlled CitizenShip radio carried plans around 42 years thinking some day Id build another Royal Rudder Bug surging interest models early years growth Vintage Radio Control Society 2 Hemlock Ct Saugerties NY 124771 finally have bitten Bug again dug out old plans enlarged Royal six feet tried eliminate some notorious structural weak spots added elevator throttle controls steerable nose wheel changed trademark side doors top access reworked aerodynamics feel weve desecrated spirit model era authentic drawings rudder-only Royal Rudder Bug available Bill Northrops Plans Service 2019 Doral Court Henderson NV 89014 Bill also has construction drawings several other Vintage RC designs todays light yet highly reliable proportional radio equipment addition throttle elevator use modem adhesives covering materials Bug totally different built 42 years ago three controls rechargeable batteries vastly improved reliability new version actually weighs less original rudder-only version 1996 Celebration Eagles Muncie astonished see Bob Noll fly original Rudder Bug original equipment fly well man did loops rolls rudder version does handle well ground flies slowly looks suspended remarkably stable gentle can neatest touch and-gos imaginable need advanced flying skills exhibited Bob Noli spending endless hours adjusting incredibly fussy radio equipment CONSTRUCTION Several construction approaches markers Walt Good designs building fuselage crutch tepee top foriners method introducing washout wing tips now-nearly-forgotten techniques place certain appeal building Bug Its novel appearance strong historical significance certainly also attractive Wood selection should medium range sizes standard hobby shop stock hardware off-the-shelf principle adhesive cyanoacrylate CyA epoxy March 1998 27 Classic construction light strong nearly difficult looks fuselage top assembled crutch pinned building board Predrilled Lite Ply scraps used align pushrods glued trimmed used firewall wing joints Some good triangles essential otherwise special tools required structures sufficiently stiff allow use finishing method silk-anddope iron-on Id inclined avoid some prepainted heat-shrink fabric materials however because weight Fuselage technique called crutch construction pretty self-evident reason crutch assembled directly over top view preassembled cabin sides top formers added Small sections scrap 1/s plywood adhered inside cabin sides helpful locators placing sides onto crutch assemblies must right angles crutch building surface Dont forget hole rudder post capstrip post runs way down onto top stabilizer firewall should drilled fuel lines throttle pushrod nose gear rod engine mounts before assembly fuselage firewall tilted forward build downthrust scrap jig handy checking its position against sides photo prototype does have cabin sides constructed per drawings simply because toyed idea using removable doors original After thinking about complexities accessing components outweighed desire authenticity subsequently sheeted bottom portion tepees assembled over drawings simple fabricate good razor saw utilized As scratch-built project assemble largest components first way piece cut short can still used next former Once sides tepees place forward wing saddle framing windshield braces should added again sure square frank rear tapered portion cabin its joint rear capstrip nearly impossible draw hard describe components cut two angles 28 Model Aviation wing panel being joined center section Note shear webs Prefit radio components before coveringlimited access through wing saddle Type RO Sport Wingspan 75 inches Engine 40-50 four-stroke 25-35 two-stroke Functions Throttle rudder elevator Flying Weight 5 pounds 4 ounces Construction Built-up Covering/Finish Iron-on film Inverted engine no problem care exercised Steerable nose gear modern touch EL KFLATOROLOK{SOLON ELETI Sb SOHTR LC BLOCKL G BETA N STEERINGVGA I1OHORN I115PLT GUSSETGEtS SCREWSIG SHOA BEGGINGooELEVATOR 3110- SLOT BESOCEE[ R~SIG SHO2 STEERING ARM FOR TORSION ~[Z~ss------.~zSY 00-RHO ISA NOSE7-i---iVTh-~L _________________ TORSION ABM Al/US/B IGEAB BLASEBINGE/ I/ZSCREWSNOSE WHEEL DETAIL LG DETAIL A-AU BOLTS51/GO PLO BAYES AL GO MOTOR MOUNT/I/BA PLOWOOK COPS NAB 5/BCGUTcRI\I THROTTLELOtS RfI/2 CAULKSI 3/1G 1/2 SA -/ 010 NO-IOU-F7 U4AC7sF I-NH SR-TSR CORNF-S PLTWOOUELKS ISLE CABLE RALSA FIREWALLF-I IISOALSA BALSA 01450 BALSA ALSA SHEET T ____ S/IS BALSASHEET-MAlEOREETSTRINGER ____________________________ ____________________________________ FUSELAGE TOP VIEW ___CROSS PIECESAUSNETS COAL IN BAOE FRUB I/U BALSAUWISBOWS OWEB 15510K BALSA SIDES ASK TOPTHI-STACH 3/IA 1/ BALSASCRAPBALANCEVNC PLY SILLS WON I/B FILL 514%OTEBUANGS SHOWS OUNGEK SAlTY GO FUOB-rzt:T---/ /H 00 FOEL TUSH BAflKftSPLGpE FOG SANE SEAR 00-MOO ISA SIB MUSIC wIRE GENT TO LENGTH MONK WHEEL LG 3/B BALSAI/B S/B BALSA 1KPHIIT TO q/GTAWILIZEH04 50 SALNR I22 ERASING -STABILIZER LEAOING KOOK 14 RALSA F- IC I CONSTRUCT FUSELAGE SIOKS 00KB PLAN A- CONSTRUCT FCPRWHS 011KB PLAN & ASSEMBLE CRUTCA 00KB PLAN 4 ASSEMBLE SIDE FIREWALL S FOBSERS WITH CRUTCH PINNEB BOWS S BEMOYK ASH AOO BOTTOM PLY L S MOUNT FORMEBS AGO STRISBEBS I/B SARALSA CAP-ROARS ACTEB ASSEMBLY ________________________________S/B 112 SPRUCE/4 BALSA SHEET BALSA IBLOCH ci7Lft516 112 BALSA CROSS PIECES11 FYF-HFTrt1/4 S1H BALSA F-S-4fr9r 114 SQ BALSA I/B 014 T HINGES 1/4 BAUHELBALSAFIN VGNG BALSA ROAN THRO STAB 1/BS 314 BALSA COP RONNO STLON WANES F P ABA AlOE MOTOWA RS STANUZEB IES F-2F-UF-S I1GSG BALSA STRINGERS MODEL AVIATION FUSELAGE SIDE VIEW SUPER BUG 0 PT D NRA BUN RLL RIWINS SHOBY -n FI CD -o U 0 CD CD CD CD H 1/64 PLY BARB BUMPER /ToP ONLY 3/BR -1/2 BALSA T E STOCA___ SAND FROM3 DIHEDRAL EACH WING BOTTOMTIP AT THIS POINT ItIi11ItIt IILIIIIBALSA UP AND RI10UifLEFT DRAIN BALSA WERIItPLAN SIR 1/2 BALSA I] 122 SPRUCE[jI SPAR TOP 6 I3/32 VERTICAL13/16WINGGUSSETS TOP B BOTTOMLI CENTERII 7--3/32 BALSA SHEETBLER BOTTOMBOTTOMif L1153 HEREI - -0 10 IAR-IWRI tWR-I 2 2 2 3 3 Rs S -S WR-S IRE TILT JIG TO11ifAR I/H V2 BALSA3232 VERTiCAL SET DIHEDRALIIIIII 4 ANGLE AT THIS11124 2 SPRUCE SPAR TOP ANDGRAIN BALSA WEB POINT ROTH -I B NTERNAL OBLERBOTTOMIIL WINGS GLASS TOP B ROT TO[k CENTERSECTON 4 EPODTTOPBBST HERE 052V iiItK _II_LI IILI BARER BABE 7 AR E IA K /11 WR-3WR-2 WR-I V F1FFT1_ ---II 0 5 II I- -0 V04I5- RIL IL 3/32 VERTICAL GRAIN RALSARIGHTWINGPLANVU 1/2 HALSA WEHSSPUH TGP AND ROT TO H 1/441/2 SPRUCE -j INTERNAL DOUBLER TOP S ROT -10 AR-I JI-4-V AH3 AR IWR-2- AR 2TAH31jAH-3155831AR-SAR-SAR-I j17 A6x 1/2 SPRUCE IDGALSASCRAP BALSA {RI GHLER 0011GMII SPUR-lop ANDH I GUSSETS ifONLY-TO HEREBOTTOMJJ WJ-I 3/32 PLY 3/8 50 BALSA LEADING EDGE 13/ 12 RALS GE EDT RIBS N /HILF RIBS BALSA BLOCK WING TIPS CARVE TO SHAPE II BALSO SHEET3/ID RALSA SHEET TOP AND BOTTOM JIG FOR SETTING RIB ANGLES AT DIHEDRAL BREAR WJ 3/32 PLYWOOD NOTE HALF RIBS ARE COT FROM 3/84 1/2 RALSA TRAILING EDGE 010CR SIU GAG CLEAR PLASTIC CUT SLIGATLI OVERSIZE AND TRIM TO FIT LIGHTLY HEAT WITH GUN 10 SHAPE WINDSCREEN PATTERN SAND FROM BOTTOM TO CREATE WASHOUT 3 DIHEDRAL EACH TIP AT THIS POINT IMODEL AVIATION B2.3.45B SUPER BUG DESIGNED BT 0 B MA DRAWN BT 0 B MAV-IE BRARUROIA R2I1848 FRONT OF AR2 N AR-3 WING PATTERNO order flare tepee cap suggest sanding slowly block checking frequently fit essential wing saddle flat level solid joints else fails compromise joints cut new piece Add gussets reinforcing strip drill dowel holes adhere upper fuselage assembly still pinned building board trial-fit servos puslirods scrap plywood supports coupled exits front braces should arranged avoid potential flexing rods use 30-inch 2-56 threaded pushrods running inside Nyrods threaded devises surface ends solder links servo anils Remove upper fuselage board add lower formers plywood bottom stabilizer incidence strips landing gear torque boxes Note forward block bottom firewall actually two pieces create box nose gear coil Since main gear will have place before covering model scrap balsa filler used around wire aid covering same true around puslirod exits rear Round bottom stingers tepee cap rear block nose blocks etc 220-grit sandpaper block Wing actually simple wing build original used interior spars slotted ribs fine kit bearcat scratchbuild warps four-spar method chose much simpler stronger other hand half-ribs add nothing cosmetics touch nostalgia could omitted builder should choose wing panels built placing bottom spars sheeting over plans adding ribs leading edge half-ribs top spars shear webs center-section sheeting inboard ribs tilted using jig spars trimmed flush ribs Tip blocks should added time contoured using X-Acto carving blade sanding blocks Cut adhere gussets round leading edge strip Center-section construction follows sequence except outboard ribs spar ends cut right angles building board Outboard wing panels built full rectangle cuffing trailing edge slant after March 1998 33 PARTSABLE MostEngines Tri Model 1950s Brown Jr hi n completing assembly bottoms ribs rear spars sanded flare trailing edge creates built-in washout adds tremendously Bugs inherent stability both panels center section have completed joined blocking up tip dihedral measurement block-sanding face rib parallel table edge Repeat other panel Join outboard panel blocked up pinned weighted-down center section using epoxy epoxy has cured repeat other panel Cut slots along spar/rib face plywood dihedral braces epoxy place joint completed sanding out rough spots wrapping glass tape finishing epoxy resin plywood rubber band bumpers installed after glassing center section tail feathers simple construction dont require much comment spars hinge lines should relatively hard absolutely unwarped wire elevator connector runs inside section inner Nyrod installed same techniques used setting up strip aileron horns Hinges 1954 version small sections music wire running inside brass grommets grommets thread-wrapped cemented top bottom fin model used hot hinges numerous newer products incomparably superior available 42 years ago Dr Goods original Royal Rudder Bug well earlier versions used thin setnisymmetrical airfoils stab rudder stab set about 30 negative no downthrust wing incidence used rudder-only models could sometimes looped climbing considerable altitude using rudder spiral downcreating sufficient speed cause negative stab setting drive model up over loop rudder TM Aircraft Mag Wheels CNC machined aerospace-grade aluminum barstock Nylonbushings friction-free running long Wear Radittsed torners high-stress areas Five spoke mag wheel functional good looks usive RIBLOCK Tire Retention System maximum holding power Recessed center hub keep wheel collar inside rim Hub length sized fit 5/32 axles including Life-Flights Aluminum C-Clip Axles Durable lightweight flat-spot resistant foam tires Radiused tread design smooth ground good looks ment foam tires nylon readily available VISA Master Card welcome Dealer inquiries invited call write Precision Model Products 14423 Hix St nia Michigan 48154 313 464-8594 Champions Choice Worlds Finest & Fastest Racing Engines have trophies prove Versions Sport & Competition Available Sizes 1510 50 Only Way Wil Sport Racing Free-Flight tiectrics 4 Oiameter Replaceable 0-Ring Tire Less thao 1 oz per Pair l Axles Available Can dyed choice color Ultra Maui tackplute Mounting System CNC Burstock Alaminam Replaces Stock Buckplate 0-Ring Seal roobesome Gaskets Available ST 40/45/51 Rossi 40/45 webra 42/513 05 40/4t SF YS 45 Thunder rigor Pru 42/4t/53 Magnum OL 4t/4t/53 Serious Horsepower upgrade Spurt tugines Up iStO RPM Increase Over Stock Muffler Now available tt size ls fit OS 32 webra 32 ST 0 34 05 40/46 SF OS 46 FX ASP 45 Magnum OL 40/46/53 Thander Tiger Pru 40/45 ST GS 4t/45/S1 webra 40/52 MvvS 4g Rassi 40/45/53 lete togine/Muffler Combos Available Application tngine Included Ultra Oil Preoervative After-Ron Oil Model tngioes Fully Compatible OS/YS Pump Systems s Prevent Rust & Corrosion Others Nave Failed lable 3 Convenient Sizes B oz Ouart Gallon Pylon Racing Parts & Accessories uper Tiger YS Repair Service Send $300 1998 Catalog Dealer Inquiries Welcome PERFORMANCE SPECIALTIES P Box 3146 nerville NV 89410 e 702-265-7523 702-265-7522 March 1998 35 neutralized intentional landings power-off chose eliminate semisymmetrical sections construction simplicity because engine downthrust will serve same function originally set stab 00 incidence 70 downthmst Bug needed full down trim control climb throttle setting above 30% Changing 30 positive stab cured unwanted climb problem also increased area rudder slightly tighten turn radius particularly super-slow flight dihedral angle unchanged provides very positive leveling model once rudder neutralized Covering Finish builder has time money importantly skill project would truly beautiful covered silk clear dope Unfortunately wife violently allergic dope fumes therefore photo model finished transparent MonoKote trimmed Rust Oleum paint trim tape Sig Four-Star 40 wing fuselage graphics placed 600 mAh battery pack receiver tank sides sections foam between forming multilayered vertical sandwich just back firewall strip balsa should run across top prevent vibration lifting parts Pushrod servo horn installation builders preference As suggested earlier components should have prefit before coveringthe access through wing saddle limited windows installed last step construction sections clear plastic scored over plans popped apart trimmed fit inside scrap / plywood frames adhered inner edges RC-56 adhesive technique has worked well several projects looks neat utilitarian simple Flying What ajoy finallyafter yearshave Bug take off gracefully fly beautifully land feet over over again total predictability Thats what whole pmject about could go great lengths relating Inflignt ON/OFF Switching Simple Plug Installation Sensors Internal & Unaffected External Conditions Consistent Operation Day Night Overcast Sunny KEEP FLYING THAT MODEL BTA AUTO PILOT FOR YEARS real Auto Pilot Designed back-up unit levels skill BTA Automatic Piloting Systems 192 Yorktown Lane Costa Mesa CA 92626 Phone 714-979-8948 Fax 714-979-8947 Send SASE Information Adjustable Zero & Gains Compatible RC Systems Endorsed Used Top Gun TOC Giant Scale Race Pilots & Experimental Full-Size also 36 Model Aviation er Inquiries welcomeI irplanes built Custom Built Aircraft 910-869-9339J SKYWATCH 3D Omni-directional Solar Powered ii JIi IIIhA thf [1 wI Antiques Military Civilian Helicopters Sailplanesl have wodds Iwpest aircraft documentalion collection 7000 different full color photo studies 1903-1997 35000 3-view line drawings 1998 Cotolo /Guide 200 pages %4t4 Canada/Mexico $10 Only 800 YOverseas $15 00 Bob Bankas scale Model Research Yukon Avenue a Mesa CA 92626 714 979-8058 http I/www imt net/ims/scale htmi virtues Bug new version can summarized rather succinctly model flies like in-between-size Sig Kadet Senior/Senioritaand pretty good recommendation sound aerodynamic design sound design regardless its age brief observation inverted four-stroke engines highly respected magazine engine colunmists used get ballistic subject us run strokers inverted no particular problem secret successfully operating never never c/uke absolutely certain fuel tank location will allow siphoning fuel carburetor set low-end idle bit leannever rich Almost potential problems associated swamping glow plug fuel An onboard glow driver helpful essential Dont back away some project inverted four-stroke engine its manageable installation Bug simple fly ranks right best modem sport/trainers design would worthwhile building project nostalgia baggage has super-delightful suppose purist would construct Royal Rudder Bug exactly originally designed use original radio equipment period Ambroid cement silkspan clear nitrate dope vintage wheels over-and-under fabric hinges etc hed haul model flying site 1952 Ford Victoria wearing clothing period own Whatever brings fun have wondered well old RC designs would fly modem radio equipment wonderful chance find out warning however will have difficult time figuring out wind rubber strip escapement athews 909 North Maize Rd Townhouse 734 Wichita KS 67212 38 Model Aviation s Protective Cap

4 U DB Mathews -I ) NOW HERE IS model design true blue blooded pedigree Its great grandmother Walt Bill Goods pioneering frequent Nationals RC winning Big Guff now Smithsonian Grandmother Rudder Bug 1948 Good design published Model Airplane News 1949 year no less 11 32 entries Radio Control Olathe KS Photos author Don Robinaon Graphic Daaign Carla Kunz Nationals Rudder Bugs projects mother Royal Rudder Bug scaled-down Bug published February 1954 Flying Models kitted Berkeley Models same year version differed noticeably its five-foot wingspan compared originals six feet replacement original undercambered airfoil ubiquitous Clark Y use smaller radio system 26 Model Aviation r )) - ) Bug air rest handles well ground flies slowly looks suspended 1952 largely through efforts AMA Citizen Band 27 mHz 465 mHz made available exam-free license-free modeling use relaxation requirements opened door Ham requirement insurmountable obstacle Several manufacturers began market assembled kit units RC segment hobby suddenly exited experimenters workshops began become practical reality modelers new version developed original Flying Models Berkeley plans used build Royal Bug 1954 powered greenhead K&B 19 controlled CitizenShip radio carried plans around 42 years thinking some day Id build another Royal Rudder Bug surging interest models early years growth Vintage Radio Control Society 2 Hemlock Ct Saugerties NY 124771 finally have bitten Bug again dug out old plans enlarged Royal six feet tried eliminate some notorious structural weak spots added elevator throttle controls steerable nose wheel changed trademark side doors top access reworked aerodynamics feel weve desecrated spirit model era authentic drawings rudder-only Royal Rudder Bug available Bill Northrops Plans Service 2019 Doral Court Henderson NV 89014 Bill also has construction drawings several other Vintage RC designs todays light yet highly reliable proportional radio equipment addition throttle elevator use modem adhesives covering materials Bug totally different built 42 years ago three controls rechargeable batteries vastly improved reliability new version actually weighs less original rudder-only version 1996 Celebration Eagles Muncie astonished see Bob Noll fly original Rudder Bug original equipment fly well man did loops rolls rudder version does handle well ground flies slowly looks suspended remarkably stable gentle can neatest touch and-gos imaginable need advanced flying skills exhibited Bob Noli spending endless hours adjusting incredibly fussy radio equipment CONSTRUCTION Several construction approaches markers Walt Good designs building fuselage crutch tepee top foriners method introducing washout wing tips now-nearly-forgotten techniques place certain appeal building Bug Its novel appearance strong historical significance certainly also attractive Wood selection should medium range sizes standard hobby shop stock hardware off-the-shelf principle adhesive cyanoacrylate CyA epoxy March 1998 27 Classic construction light strong nearly difficult looks fuselage top assembled crutch pinned building board Predrilled Lite Ply scraps used align pushrods glued trimmed used firewall wing joints Some good triangles essential otherwise special tools required structures sufficiently stiff allow use finishing method silk-anddope iron-on Id inclined avoid some prepainted heat-shrink fabric materials however because weight Fuselage technique called crutch construction pretty self-evident reason crutch assembled directly over top view preassembled cabin sides top formers added Small sections scrap 1/s plywood adhered inside cabin sides helpful locators placing sides onto crutch assemblies must right angles crutch building surface Dont forget hole rudder post capstrip post runs way down onto top stabilizer firewall should drilled fuel lines throttle pushrod nose gear rod engine mounts before assembly fuselage firewall tilted forward build downthrust scrap jig handy checking its position against sides photo prototype does have cabin sides constructed per drawings simply because toyed idea using removable doors original After thinking about complexities accessing components outweighed desire authenticity subsequently sheeted bottom portion tepees assembled over drawings simple fabricate good razor saw utilized As scratch-built project assemble largest components first way piece cut short can still used next former Once sides tepees place forward wing saddle framing windshield braces should added again sure square frank rear tapered portion cabin its joint rear capstrip nearly impossible draw hard describe components cut two angles 28 Model Aviation wing panel being joined center section Note shear webs Prefit radio components before coveringlimited access through wing saddle Type RO Sport Wingspan 75 inches Engine 40-50 four-stroke 25-35 two-stroke Functions Throttle rudder elevator Flying Weight 5 pounds 4 ounces Construction Built-up Covering/Finish Iron-on film Inverted engine no problem care exercised Steerable nose gear modern touch EL KFLATOROLOK{SOLON ELETI Sb SOHTR LC BLOCKL G BETA N STEERINGVGA I1OHORN I115PLT GUSSETGEtS SCREWSIG SHOA BEGGINGooELEVATOR 3110- SLOT BESOCEE[ R~SIG SHO2 STEERING ARM FOR TORSION ~[Z~ss------.~zSY 00-RHO ISA NOSE7-i---iVTh-~L _________________ TORSION ABM Al/US/B IGEAB BLASEBINGE/ I/ZSCREWSNOSE WHEEL DETAIL LG DETAIL A-AU BOLTS51/GO PLO BAYES AL GO MOTOR MOUNT/I/BA PLOWOOK COPS NAB 5/BCGUTcRI\I THROTTLELOtS RfI/2 CAULKSI 3/1G 1/2 SA -/ 010 NO-IOU-F7 U4AC7sF I-NH SR-TSR CORNF-S PLTWOOUELKS ISLE CABLE RALSA FIREWALLF-I IISOALSA BALSA 01450 BALSA ALSA SHEET T ____ S/IS BALSASHEET-MAlEOREETSTRINGER ____________________________ ____________________________________ FUSELAGE TOP VIEW ___CROSS PIECESAUSNETS COAL IN BAOE FRUB I/U BALSAUWISBOWS OWEB 15510K BALSA SIDES ASK TOPTHI-STACH 3/IA 1/ BALSASCRAPBALANCEVNC PLY SILLS WON I/B FILL 514%OTEBUANGS SHOWS OUNGEK SAlTY GO FUOB-rzt:T---/ /H 00 FOEL TUSH BAflKftSPLGpE FOG SANE SEAR 00-MOO ISA SIB MUSIC wIRE GENT TO LENGTH MONK WHEEL LG 3/B BALSAI/B S/B BALSA 1KPHIIT TO q/GTAWILIZEH04 50 SALNR I22 ERASING -STABILIZER LEAOING KOOK 14 RALSA F- IC I CONSTRUCT FUSELAGE SIOKS 00KB PLAN A- CONSTRUCT FCPRWHS 011KB PLAN & ASSEMBLE CRUTCA 00KB PLAN 4 ASSEMBLE SIDE FIREWALL S FOBSERS WITH CRUTCH PINNEB BOWS S BEMOYK ASH AOO BOTTOM PLY L S MOUNT FORMEBS AGO STRISBEBS I/B SARALSA CAP-ROARS ACTEB ASSEMBLY ________________________________S/B 112 SPRUCE/4 BALSA SHEET BALSA IBLOCH ci7Lft516 112 BALSA CROSS PIECES11 FYF-HFTrt1/4 S1H BALSA F-S-4fr9r 114 SQ BALSA I/B 014 T HINGES 1/4 BAUHELBALSAFIN VGNG BALSA ROAN THRO STAB 1/BS 314 BALSA COP RONNO STLON WANES F P ABA AlOE MOTOWA RS STANUZEB IES F-2F-UF-S I1GSG BALSA STRINGERS MODEL AVIATION FUSELAGE SIDE VIEW SUPER BUG 0 PT D NRA BUN RLL RIWINS SHOBY -n FI CD -o U 0 CD CD CD CD H 1/64 PLY BARB BUMPER /ToP ONLY 3/BR -1/2 BALSA T E STOCA___ SAND FROM3 DIHEDRAL EACH WING BOTTOMTIP AT THIS POINT ItIi11ItIt IILIIIIBALSA UP AND RI10UifLEFT DRAIN BALSA WERIItPLAN SIR 1/2 BALSA I] 122 SPRUCE[jI SPAR TOP 6 I3/32 VERTICAL13/16WINGGUSSETS TOP B BOTTOMLI CENTERII 7--3/32 BALSA SHEETBLER BOTTOMBOTTOMif L1153 HEREI - -0 10 IAR-IWRI tWR-I 2 2 2 3 3 Rs S -S WR-S IRE TILT JIG TO11ifAR I/H V2 BALSA3232 VERTiCAL SET DIHEDRALIIIIII 4 ANGLE AT THIS11124 2 SPRUCE SPAR TOP ANDGRAIN BALSA WEB POINT ROTH -I B NTERNAL OBLERBOTTOMIIL WINGS GLASS TOP B ROT TO[k CENTERSECTON 4 EPODTTOPBBST HERE 052V iiItK _II_LI IILI BARER BABE 7 AR E IA K /11 WR-3WR-2 WR-I V F1FFT1_ ---II 0 5 II I- -0 V04I5- RIL IL 3/32 VERTICAL GRAIN RALSARIGHTWINGPLANVU 1/2 HALSA WEHSSPUH TGP AND ROT TO H 1/441/2 SPRUCE -j INTERNAL DOUBLER TOP S ROT -10 AR-I JI-4-V AH3 AR IWR-2- AR 2TAH31jAH-3155831AR-SAR-SAR-I j17 A6x 1/2 SPRUCE IDGALSASCRAP BALSA {RI GHLER 0011GMII SPUR-lop ANDH I GUSSETS ifONLY-TO HEREBOTTOMJJ WJ-I 3/32 PLY 3/8 50 BALSA LEADING EDGE 13/ 12 RALS GE EDT RIBS N /HILF RIBS BALSA BLOCK WING TIPS CARVE TO SHAPE II BALSO SHEET3/ID RALSA SHEET TOP AND BOTTOM JIG FOR SETTING RIB ANGLES AT DIHEDRAL BREAR WJ 3/32 PLYWOOD NOTE HALF RIBS ARE COT FROM 3/84 1/2 RALSA TRAILING EDGE 010CR SIU GAG CLEAR PLASTIC CUT SLIGATLI OVERSIZE AND TRIM TO FIT LIGHTLY HEAT WITH GUN 10 SHAPE WINDSCREEN PATTERN SAND FROM BOTTOM TO CREATE WASHOUT 3 DIHEDRAL EACH TIP AT THIS POINT IMODEL AVIATION B2.3.45B SUPER BUG DESIGNED BT 0 B MA DRAWN BT 0 B MAV-IE BRARUROIA R2I1848 FRONT OF AR2 N AR-3 WING PATTERNO order flare tepee cap suggest sanding slowly block checking frequently fit essential wing saddle flat level solid joints else fails compromise joints cut new piece Add gussets reinforcing strip drill dowel holes adhere upper fuselage assembly still pinned building board trial-fit servos puslirods scrap plywood supports coupled exits front braces should arranged avoid potential flexing rods use 30-inch 2-56 threaded pushrods running inside Nyrods threaded devises surface ends solder links servo anils Remove upper fuselage board add lower formers plywood bottom stabilizer incidence strips landing gear torque boxes Note forward block bottom firewall actually two pieces create box nose gear coil Since main gear will have place before covering model scrap balsa filler used around wire aid covering same true around puslirod exits rear Round bottom stingers tepee cap rear block nose blocks etc 220-grit sandpaper block Wing actually simple wing build original used interior spars slotted ribs fine kit bearcat scratchbuild warps four-spar method chose much simpler stronger other hand half-ribs add nothing cosmetics touch nostalgia could omitted builder should choose wing panels built placing bottom spars sheeting over plans adding ribs leading edge half-ribs top spars shear webs center-section sheeting inboard ribs tilted using jig spars trimmed flush ribs Tip blocks should added time contoured using X-Acto carving blade sanding blocks Cut adhere gussets round leading edge strip Center-section construction follows sequence except outboard ribs spar ends cut right angles building board Outboard wing panels built full rectangle cuffing trailing edge slant after March 1998 33 PARTSABLE MostEngines Tri Model 1950s Brown Jr hi n completing assembly bottoms ribs rear spars sanded flare trailing edge creates built-in washout adds tremendously Bugs inherent stability both panels center section have completed joined blocking up tip dihedral measurement block-sanding face rib parallel table edge Repeat other panel Join outboard panel blocked up pinned weighted-down center section using epoxy epoxy has cured repeat other panel Cut slots along spar/rib face plywood dihedral braces epoxy place joint completed sanding out rough spots wrapping glass tape finishing epoxy resin plywood rubber band bumpers installed after glassing center section tail feathers simple construction dont require much comment spars hinge lines should relatively hard absolutely unwarped wire elevator connector runs inside section inner Nyrod installed same techniques used setting up strip aileron horns Hinges 1954 version small sections music wire running inside brass grommets grommets thread-wrapped cemented top bottom fin model used hot hinges numerous newer products incomparably superior available 42 years ago Dr Goods original Royal Rudder Bug well earlier versions used thin setnisymmetrical airfoils stab rudder stab set about 30 negative no downthrust wing incidence used rudder-only models could sometimes looped climbing considerable altitude using rudder spiral downcreating sufficient speed cause negative stab setting drive model up over loop rudder TM Aircraft Mag Wheels CNC machined aerospace-grade aluminum barstock Nylonbushings friction-free running long Wear Radittsed torners high-stress areas Five spoke mag wheel functional good looks usive RIBLOCK Tire Retention System maximum holding power Recessed center hub keep wheel collar inside rim Hub length sized fit 5/32 axles including Life-Flights Aluminum C-Clip Axles Durable lightweight flat-spot resistant foam tires Radiused tread design smooth ground good looks ment foam tires nylon readily available VISA Master Card welcome Dealer inquiries invited call write Precision Model Products 14423 Hix St nia Michigan 48154 313 464-8594 Champions Choice Worlds Finest & Fastest Racing Engines have trophies prove Versions Sport & Competition Available Sizes 1510 50 Only Way Wil Sport Racing Free-Flight tiectrics 4 Oiameter Replaceable 0-Ring Tire Less thao 1 oz per Pair l Axles Available Can dyed choice color Ultra Maui tackplute Mounting System CNC Burstock Alaminam Replaces Stock Buckplate 0-Ring Seal roobesome Gaskets Available ST 40/45/51 Rossi 40/45 webra 42/513 05 40/4t SF YS 45 Thunder rigor Pru 42/4t/53 Magnum OL 4t/4t/53 Serious Horsepower upgrade Spurt tugines Up iStO RPM Increase Over Stock Muffler Now available tt size ls fit OS 32 webra 32 ST 0 34 05 40/46 SF OS 46 FX ASP 45 Magnum OL 40/46/53 Thander Tiger Pru 40/45 ST GS 4t/45/S1 webra 40/52 MvvS 4g Rassi 40/45/53 lete togine/Muffler Combos Available Application tngine Included Ultra Oil Preoervative After-Ron Oil Model tngioes Fully Compatible OS/YS Pump Systems s Prevent Rust & Corrosion Others Nave Failed lable 3 Convenient Sizes B oz Ouart Gallon Pylon Racing Parts & Accessories uper Tiger YS Repair Service Send $300 1998 Catalog Dealer Inquiries Welcome PERFORMANCE SPECIALTIES P Box 3146 nerville NV 89410 e 702-265-7523 702-265-7522 March 1998 35 neutralized intentional landings power-off chose eliminate semisymmetrical sections construction simplicity because engine downthrust will serve same function originally set stab 00 incidence 70 downthmst Bug needed full down trim control climb throttle setting above 30% Changing 30 positive stab cured unwanted climb problem also increased area rudder slightly tighten turn radius particularly super-slow flight dihedral angle unchanged provides very positive leveling model once rudder neutralized Covering Finish builder has time money importantly skill project would truly beautiful covered silk clear dope Unfortunately wife violently allergic dope fumes therefore photo model finished transparent MonoKote trimmed Rust Oleum paint trim tape Sig Four-Star 40 wing fuselage graphics placed 600 mAh battery pack receiver tank sides sections foam between forming multilayered vertical sandwich just back firewall strip balsa should run across top prevent vibration lifting parts Pushrod servo horn installation builders preference As suggested earlier components should have prefit before coveringthe access through wing saddle limited windows installed last step construction sections clear plastic scored over plans popped apart trimmed fit inside scrap / plywood frames adhered inner edges RC-56 adhesive technique has worked well several projects looks neat utilitarian simple Flying What ajoy finallyafter yearshave Bug take off gracefully fly beautifully land feet over over again total predictability Thats what whole pmject about could go great lengths relating Inflignt ON/OFF Switching Simple Plug Installation Sensors Internal & Unaffected External Conditions Consistent Operation Day Night Overcast Sunny KEEP FLYING THAT MODEL BTA AUTO PILOT FOR YEARS real Auto Pilot Designed back-up unit levels skill BTA Automatic Piloting Systems 192 Yorktown Lane Costa Mesa CA 92626 Phone 714-979-8948 Fax 714-979-8947 Send SASE Information Adjustable Zero & Gains Compatible RC Systems Endorsed Used Top Gun TOC Giant Scale Race Pilots & Experimental Full-Size also 36 Model Aviation er Inquiries welcomeI irplanes built Custom Built Aircraft 910-869-9339J SKYWATCH 3D Omni-directional Solar Powered ii JIi IIIhA thf [1 wI Antiques Military Civilian Helicopters Sailplanesl have wodds Iwpest aircraft documentalion collection 7000 different full color photo studies 1903-1997 35000 3-view line drawings 1998 Cotolo /Guide 200 pages %4t4 Canada/Mexico $10 Only 800 YOverseas $15 00 Bob Bankas scale Model Research Yukon Avenue a Mesa CA 92626 714 979-8058 http I/www imt net/ims/scale htmi virtues Bug new version can summarized rather succinctly model flies like in-between-size Sig Kadet Senior/Senioritaand pretty good recommendation sound aerodynamic design sound design regardless its age brief observation inverted four-stroke engines highly respected magazine engine colunmists used get ballistic subject us run strokers inverted no particular problem secret successfully operating never never c/uke absolutely certain fuel tank location will allow siphoning fuel carburetor set low-end idle bit leannever rich Almost potential problems associated swamping glow plug fuel An onboard glow driver helpful essential Dont back away some project inverted four-stroke engine its manageable installation Bug simple fly ranks right best modem sport/trainers design would worthwhile building project nostalgia baggage has super-delightful suppose purist would construct Royal Rudder Bug exactly originally designed use original radio equipment period Ambroid cement silkspan clear nitrate dope vintage wheels over-and-under fabric hinges etc hed haul model flying site 1952 Ford Victoria wearing clothing period own Whatever brings fun have wondered well old RC designs would fly modem radio equipment wonderful chance find out warning however will have difficult time figuring out wind rubber strip escapement athews 909 North Maize Rd Townhouse 734 Wichita KS 67212 38 Model Aviation s Protective Cap

4 U DB Mathews -I ) NOW HERE IS model design true blue blooded pedigree Its great grandmother Walt Bill Goods pioneering frequent Nationals RC winning Big Guff now Smithsonian Grandmother Rudder Bug 1948 Good design published Model Airplane News 1949 year no less 11 32 entries Radio Control Olathe KS Photos author Don Robinaon Graphic Daaign Carla Kunz Nationals Rudder Bugs projects mother Royal Rudder Bug scaled-down Bug published February 1954 Flying Models kitted Berkeley Models same year version differed noticeably its five-foot wingspan compared originals six feet replacement original undercambered airfoil ubiquitous Clark Y use smaller radio system 26 Model Aviation r )) - ) Bug air rest handles well ground flies slowly looks suspended 1952 largely through efforts AMA Citizen Band 27 mHz 465 mHz made available exam-free license-free modeling use relaxation requirements opened door Ham requirement insurmountable obstacle Several manufacturers began market assembled kit units RC segment hobby suddenly exited experimenters workshops began become practical reality modelers new version developed original Flying Models Berkeley plans used build Royal Bug 1954 powered greenhead K&B 19 controlled CitizenShip radio carried plans around 42 years thinking some day Id build another Royal Rudder Bug surging interest models early years growth Vintage Radio Control Society 2 Hemlock Ct Saugerties NY 124771 finally have bitten Bug again dug out old plans enlarged Royal six feet tried eliminate some notorious structural weak spots added elevator throttle controls steerable nose wheel changed trademark side doors top access reworked aerodynamics feel weve desecrated spirit model era authentic drawings rudder-only Royal Rudder Bug available Bill Northrops Plans Service 2019 Doral Court Henderson NV 89014 Bill also has construction drawings several other Vintage RC designs todays light yet highly reliable proportional radio equipment addition throttle elevator use modem adhesives covering materials Bug totally different built 42 years ago three controls rechargeable batteries vastly improved reliability new version actually weighs less original rudder-only version 1996 Celebration Eagles Muncie astonished see Bob Noll fly original Rudder Bug original equipment fly well man did loops rolls rudder version does handle well ground flies slowly looks suspended remarkably stable gentle can neatest touch and-gos imaginable need advanced flying skills exhibited Bob Noli spending endless hours adjusting incredibly fussy radio equipment CONSTRUCTION Several construction approaches markers Walt Good designs building fuselage crutch tepee top foriners method introducing washout wing tips now-nearly-forgotten techniques place certain appeal building Bug Its novel appearance strong historical significance certainly also attractive Wood selection should medium range sizes standard hobby shop stock hardware off-the-shelf principle adhesive cyanoacrylate CyA epoxy March 1998 27 Classic construction light strong nearly difficult looks fuselage top assembled crutch pinned building board Predrilled Lite Ply scraps used align pushrods glued trimmed used firewall wing joints Some good triangles essential otherwise special tools required structures sufficiently stiff allow use finishing method silk-anddope iron-on Id inclined avoid some prepainted heat-shrink fabric materials however because weight Fuselage technique called crutch construction pretty self-evident reason crutch assembled directly over top view preassembled cabin sides top formers added Small sections scrap 1/s plywood adhered inside cabin sides helpful locators placing sides onto crutch assemblies must right angles crutch building surface Dont forget hole rudder post capstrip post runs way down onto top stabilizer firewall should drilled fuel lines throttle pushrod nose gear rod engine mounts before assembly fuselage firewall tilted forward build downthrust scrap jig handy checking its position against sides photo prototype does have cabin sides constructed per drawings simply because toyed idea using removable doors original After thinking about complexities accessing components outweighed desire authenticity subsequently sheeted bottom portion tepees assembled over drawings simple fabricate good razor saw utilized As scratch-built project assemble largest components first way piece cut short can still used next former Once sides tepees place forward wing saddle framing windshield braces should added again sure square frank rear tapered portion cabin its joint rear capstrip nearly impossible draw hard describe components cut two angles 28 Model Aviation wing panel being joined center section Note shear webs Prefit radio components before coveringlimited access through wing saddle Type RO Sport Wingspan 75 inches Engine 40-50 four-stroke 25-35 two-stroke Functions Throttle rudder elevator Flying Weight 5 pounds 4 ounces Construction Built-up Covering/Finish Iron-on film Inverted engine no problem care exercised Steerable nose gear modern touch EL KFLATOROLOK{SOLON ELETI Sb SOHTR LC BLOCKL G BETA N STEERINGVGA I1OHORN I115PLT GUSSETGEtS SCREWSIG SHOA BEGGINGooELEVATOR 3110- SLOT BESOCEE[ R~SIG SHO2 STEERING ARM FOR TORSION ~[Z~ss------.~zSY 00-RHO ISA NOSE7-i---iVTh-~L _________________ TORSION ABM Al/US/B IGEAB BLASEBINGE/ I/ZSCREWSNOSE WHEEL DETAIL LG DETAIL A-AU BOLTS51/GO PLO BAYES AL GO MOTOR MOUNT/I/BA PLOWOOK COPS NAB 5/BCGUTcRI\I THROTTLELOtS RfI/2 CAULKSI 3/1G 1/2 SA -/ 010 NO-IOU-F7 U4AC7sF I-NH SR-TSR CORNF-S PLTWOOUELKS ISLE CABLE RALSA FIREWALLF-I IISOALSA BALSA 01450 BALSA ALSA SHEET T ____ S/IS BALSASHEET-MAlEOREETSTRINGER ____________________________ ____________________________________ FUSELAGE TOP VIEW ___CROSS PIECESAUSNETS COAL IN BAOE FRUB I/U BALSAUWISBOWS OWEB 15510K BALSA SIDES ASK TOPTHI-STACH 3/IA 1/ BALSASCRAPBALANCEVNC PLY SILLS WON I/B FILL 514%OTEBUANGS SHOWS OUNGEK SAlTY GO FUOB-rzt:T---/ /H 00 FOEL TUSH BAflKftSPLGpE FOG SANE SEAR 00-MOO ISA SIB MUSIC wIRE GENT TO LENGTH MONK WHEEL LG 3/B BALSAI/B S/B BALSA 1KPHIIT TO q/GTAWILIZEH04 50 SALNR I22 ERASING -STABILIZER LEAOING KOOK 14 RALSA F- IC I CONSTRUCT FUSELAGE SIOKS 00KB PLAN A- CONSTRUCT FCPRWHS 011KB PLAN & ASSEMBLE CRUTCA 00KB PLAN 4 ASSEMBLE SIDE FIREWALL S FOBSERS WITH CRUTCH PINNEB BOWS S BEMOYK ASH AOO BOTTOM PLY L S MOUNT FORMEBS AGO STRISBEBS I/B SARALSA CAP-ROARS ACTEB ASSEMBLY ________________________________S/B 112 SPRUCE/4 BALSA SHEET BALSA IBLOCH ci7Lft516 112 BALSA CROSS PIECES11 FYF-HFTrt1/4 S1H BALSA F-S-4fr9r 114 SQ BALSA I/B 014 T HINGES 1/4 BAUHELBALSAFIN VGNG BALSA ROAN THRO STAB 1/BS 314 BALSA COP RONNO STLON WANES F P ABA AlOE MOTOWA RS STANUZEB IES F-2F-UF-S I1GSG BALSA STRINGERS MODEL AVIATION FUSELAGE SIDE VIEW SUPER BUG 0 PT D NRA BUN RLL RIWINS SHOBY -n FI CD -o U 0 CD CD CD CD H 1/64 PLY BARB BUMPER /ToP ONLY 3/BR -1/2 BALSA T E STOCA___ SAND FROM3 DIHEDRAL EACH WING BOTTOMTIP AT THIS POINT ItIi11ItIt IILIIIIBALSA UP AND RI10UifLEFT DRAIN BALSA WERIItPLAN SIR 1/2 BALSA I] 122 SPRUCE[jI SPAR TOP 6 I3/32 VERTICAL13/16WINGGUSSETS TOP B BOTTOMLI CENTERII 7--3/32 BALSA SHEETBLER BOTTOMBOTTOMif L1153 HEREI - -0 10 IAR-IWRI tWR-I 2 2 2 3 3 Rs S -S WR-S IRE TILT JIG TO11ifAR I/H V2 BALSA3232 VERTiCAL SET DIHEDRALIIIIII 4 ANGLE AT THIS11124 2 SPRUCE SPAR TOP ANDGRAIN BALSA WEB POINT ROTH -I B NTERNAL OBLERBOTTOMIIL WINGS GLASS TOP B ROT TO[k CENTERSECTON 4 EPODTTOPBBST HERE 052V iiItK _II_LI IILI BARER BABE 7 AR E IA K /11 WR-3WR-2 WR-I V F1FFT1_ ---II 0 5 II I- -0 V04I5- RIL IL 3/32 VERTICAL GRAIN RALSARIGHTWINGPLANVU 1/2 HALSA WEHSSPUH TGP AND ROT TO H 1/441/2 SPRUCE -j INTERNAL DOUBLER TOP S ROT -10 AR-I JI-4-V AH3 AR IWR-2- AR 2TAH31jAH-3155831AR-SAR-SAR-I j17 A6x 1/2 SPRUCE IDGALSASCRAP BALSA {RI GHLER 0011GMII SPUR-lop ANDH I GUSSETS ifONLY-TO HEREBOTTOMJJ WJ-I 3/32 PLY 3/8 50 BALSA LEADING EDGE 13/ 12 RALS GE EDT RIBS N /HILF RIBS BALSA BLOCK WING TIPS CARVE TO SHAPE II BALSO SHEET3/ID RALSA SHEET TOP AND BOTTOM JIG FOR SETTING RIB ANGLES AT DIHEDRAL BREAR WJ 3/32 PLYWOOD NOTE HALF RIBS ARE COT FROM 3/84 1/2 RALSA TRAILING EDGE 010CR SIU GAG CLEAR PLASTIC CUT SLIGATLI OVERSIZE AND TRIM TO FIT LIGHTLY HEAT WITH GUN 10 SHAPE WINDSCREEN PATTERN SAND FROM BOTTOM TO CREATE WASHOUT 3 DIHEDRAL EACH TIP AT THIS POINT IMODEL AVIATION B2.3.45B SUPER BUG DESIGNED BT 0 B MA DRAWN BT 0 B MAV-IE BRARUROIA R2I1848 FRONT OF AR2 N AR-3 WING PATTERNO order flare tepee cap suggest sanding slowly block checking frequently fit essential wing saddle flat level solid joints else fails compromise joints cut new piece Add gussets reinforcing strip drill dowel holes adhere upper fuselage assembly still pinned building board trial-fit servos puslirods scrap plywood supports coupled exits front braces should arranged avoid potential flexing rods use 30-inch 2-56 threaded pushrods running inside Nyrods threaded devises surface ends solder links servo anils Remove upper fuselage board add lower formers plywood bottom stabilizer incidence strips landing gear torque boxes Note forward block bottom firewall actually two pieces create box nose gear coil Since main gear will have place before covering model scrap balsa filler used around wire aid covering same true around puslirod exits rear Round bottom stingers tepee cap rear block nose blocks etc 220-grit sandpaper block Wing actually simple wing build original used interior spars slotted ribs fine kit bearcat scratchbuild warps four-spar method chose much simpler stronger other hand half-ribs add nothing cosmetics touch nostalgia could omitted builder should choose wing panels built placing bottom spars sheeting over plans adding ribs leading edge half-ribs top spars shear webs center-section sheeting inboard ribs tilted using jig spars trimmed flush ribs Tip blocks should added time contoured using X-Acto carving blade sanding blocks Cut adhere gussets round leading edge strip Center-section construction follows sequence except outboard ribs spar ends cut right angles building board Outboard wing panels built full rectangle cuffing trailing edge slant after March 1998 33 PARTSABLE MostEngines Tri Model 1950s Brown Jr hi n completing assembly bottoms ribs rear spars sanded flare trailing edge creates built-in washout adds tremendously Bugs inherent stability both panels center section have completed joined blocking up tip dihedral measurement block-sanding face rib parallel table edge Repeat other panel Join outboard panel blocked up pinned weighted-down center section using epoxy epoxy has cured repeat other panel Cut slots along spar/rib face plywood dihedral braces epoxy place joint completed sanding out rough spots wrapping glass tape finishing epoxy resin plywood rubber band bumpers installed after glassing center section tail feathers simple construction dont require much comment spars hinge lines should relatively hard absolutely unwarped wire elevator connector runs inside section inner Nyrod installed same techniques used setting up strip aileron horns Hinges 1954 version small sections music wire running inside brass grommets grommets thread-wrapped cemented top bottom fin model used hot hinges numerous newer products incomparably superior available 42 years ago Dr Goods original Royal Rudder Bug well earlier versions used thin setnisymmetrical airfoils stab rudder stab set about 30 negative no downthrust wing incidence used rudder-only models could sometimes looped climbing considerable altitude using rudder spiral downcreating sufficient speed cause negative stab setting drive model up over loop rudder TM Aircraft Mag Wheels CNC machined aerospace-grade aluminum barstock Nylonbushings friction-free running long Wear Radittsed torners high-stress areas Five spoke mag wheel functional good looks usive RIBLOCK Tire Retention System maximum holding power Recessed center hub keep wheel collar inside rim Hub length sized fit 5/32 axles including Life-Flights Aluminum C-Clip Axles Durable lightweight flat-spot resistant foam tires Radiused tread design smooth ground good looks ment foam tires nylon readily available VISA Master Card welcome Dealer inquiries invited call write Precision Model Products 14423 Hix St nia Michigan 48154 313 464-8594 Champions Choice Worlds Finest & Fastest Racing Engines have trophies prove Versions Sport & Competition Available Sizes 1510 50 Only Way Wil Sport Racing Free-Flight tiectrics 4 Oiameter Replaceable 0-Ring Tire Less thao 1 oz per Pair l Axles Available Can dyed choice color Ultra Maui tackplute Mounting System CNC Burstock Alaminam Replaces Stock Buckplate 0-Ring Seal roobesome Gaskets Available ST 40/45/51 Rossi 40/45 webra 42/513 05 40/4t SF YS 45 Thunder rigor Pru 42/4t/53 Magnum OL 4t/4t/53 Serious Horsepower upgrade Spurt tugines Up iStO RPM Increase Over Stock Muffler Now available tt size ls fit OS 32 webra 32 ST 0 34 05 40/46 SF OS 46 FX ASP 45 Magnum OL 40/46/53 Thander Tiger Pru 40/45 ST GS 4t/45/S1 webra 40/52 MvvS 4g Rassi 40/45/53 lete togine/Muffler Combos Available Application tngine Included Ultra Oil Preoervative After-Ron Oil Model tngioes Fully Compatible OS/YS Pump Systems s Prevent Rust & Corrosion Others Nave Failed lable 3 Convenient Sizes B oz Ouart Gallon Pylon Racing Parts & Accessories uper Tiger YS Repair Service Send $300 1998 Catalog Dealer Inquiries Welcome PERFORMANCE SPECIALTIES P Box 3146 nerville NV 89410 e 702-265-7523 702-265-7522 March 1998 35 neutralized intentional landings power-off chose eliminate semisymmetrical sections construction simplicity because engine downthrust will serve same function originally set stab 00 incidence 70 downthmst Bug needed full down trim control climb throttle setting above 30% Changing 30 positive stab cured unwanted climb problem also increased area rudder slightly tighten turn radius particularly super-slow flight dihedral angle unchanged provides very positive leveling model once rudder neutralized Covering Finish builder has time money importantly skill project would truly beautiful covered silk clear dope Unfortunately wife violently allergic dope fumes therefore photo model finished transparent MonoKote trimmed Rust Oleum paint trim tape Sig Four-Star 40 wing fuselage graphics placed 600 mAh battery pack receiver tank sides sections foam between forming multilayered vertical sandwich just back firewall strip balsa should run across top prevent vibration lifting parts Pushrod servo horn installation builders preference As suggested earlier components should have prefit before coveringthe access through wing saddle limited windows installed last step construction sections clear plastic scored over plans popped apart trimmed fit inside scrap / plywood frames adhered inner edges RC-56 adhesive technique has worked well several projects looks neat utilitarian simple Flying What ajoy finallyafter yearshave Bug take off gracefully fly beautifully land feet over over again total predictability Thats what whole pmject about could go great lengths relating Inflignt ON/OFF Switching Simple Plug Installation Sensors Internal & Unaffected External Conditions Consistent Operation Day Night Overcast Sunny KEEP FLYING THAT MODEL BTA AUTO PILOT FOR YEARS real Auto Pilot Designed back-up unit levels skill BTA Automatic Piloting Systems 192 Yorktown Lane Costa Mesa CA 92626 Phone 714-979-8948 Fax 714-979-8947 Send SASE Information Adjustable Zero & Gains Compatible RC Systems Endorsed Used Top Gun TOC Giant Scale Race Pilots & Experimental Full-Size also 36 Model Aviation er Inquiries welcomeI irplanes built Custom Built Aircraft 910-869-9339J SKYWATCH 3D Omni-directional Solar Powered ii JIi IIIhA thf [1 wI Antiques Military Civilian Helicopters Sailplanesl have wodds Iwpest aircraft documentalion collection 7000 different full color photo studies 1903-1997 35000 3-view line drawings 1998 Cotolo /Guide 200 pages %4t4 Canada/Mexico $10 Only 800 YOverseas $15 00 Bob Bankas scale Model Research Yukon Avenue a Mesa CA 92626 714 979-8058 http I/www imt net/ims/scale htmi virtues Bug new version can summarized rather succinctly model flies like in-between-size Sig Kadet Senior/Senioritaand pretty good recommendation sound aerodynamic design sound design regardless its age brief observation inverted four-stroke engines highly respected magazine engine colunmists used get ballistic subject us run strokers inverted no particular problem secret successfully operating never never c/uke absolutely certain fuel tank location will allow siphoning fuel carburetor set low-end idle bit leannever rich Almost potential problems associated swamping glow plug fuel An onboard glow driver helpful essential Dont back away some project inverted four-stroke engine its manageable installation Bug simple fly ranks right best modem sport/trainers design would worthwhile building project nostalgia baggage has super-delightful suppose purist would construct Royal Rudder Bug exactly originally designed use original radio equipment period Ambroid cement silkspan clear nitrate dope vintage wheels over-and-under fabric hinges etc hed haul model flying site 1952 Ford Victoria wearing clothing period own Whatever brings fun have wondered well old RC designs would fly modem radio equipment wonderful chance find out warning however will have difficult time figuring out wind rubber strip escapement athews 909 North Maize Rd Townhouse 734 Wichita KS 67212 38 Model Aviation s Protective Cap

4 U DB Mathews -I ) NOW HERE IS model design true blue blooded pedigree Its great grandmother Walt Bill Goods pioneering frequent Nationals RC winning Big Guff now Smithsonian Grandmother Rudder Bug 1948 Good design published Model Airplane News 1949 year no less 11 32 entries Radio Control Olathe KS Photos author Don Robinaon Graphic Daaign Carla Kunz Nationals Rudder Bugs projects mother Royal Rudder Bug scaled-down Bug published February 1954 Flying Models kitted Berkeley Models same year version differed noticeably its five-foot wingspan compared originals six feet replacement original undercambered airfoil ubiquitous Clark Y use smaller radio system 26 Model Aviation r )) - ) Bug air rest handles well ground flies slowly looks suspended 1952 largely through efforts AMA Citizen Band 27 mHz 465 mHz made available exam-free license-free modeling use relaxation requirements opened door Ham requirement insurmountable obstacle Several manufacturers began market assembled kit units RC segment hobby suddenly exited experimenters workshops began become practical reality modelers new version developed original Flying Models Berkeley plans used build Royal Bug 1954 powered greenhead K&B 19 controlled CitizenShip radio carried plans around 42 years thinking some day Id build another Royal Rudder Bug surging interest models early years growth Vintage Radio Control Society 2 Hemlock Ct Saugerties NY 124771 finally have bitten Bug again dug out old plans enlarged Royal six feet tried eliminate some notorious structural weak spots added elevator throttle controls steerable nose wheel changed trademark side doors top access reworked aerodynamics feel weve desecrated spirit model era authentic drawings rudder-only Royal Rudder Bug available Bill Northrops Plans Service 2019 Doral Court Henderson NV 89014 Bill also has construction drawings several other Vintage RC designs todays light yet highly reliable proportional radio equipment addition throttle elevator use modem adhesives covering materials Bug totally different built 42 years ago three controls rechargeable batteries vastly improved reliability new version actually weighs less original rudder-only version 1996 Celebration Eagles Muncie astonished see Bob Noll fly original Rudder Bug original equipment fly well man did loops rolls rudder version does handle well ground flies slowly looks suspended remarkably stable gentle can neatest touch and-gos imaginable need advanced flying skills exhibited Bob Noli spending endless hours adjusting incredibly fussy radio equipment CONSTRUCTION Several construction approaches markers Walt Good designs building fuselage crutch tepee top foriners method introducing washout wing tips now-nearly-forgotten techniques place certain appeal building Bug Its novel appearance strong historical significance certainly also attractive Wood selection should medium range sizes standard hobby shop stock hardware off-the-shelf principle adhesive cyanoacrylate CyA epoxy March 1998 27 Classic construction light strong nearly difficult looks fuselage top assembled crutch pinned building board Predrilled Lite Ply scraps used align pushrods glued trimmed used firewall wing joints Some good triangles essential otherwise special tools required structures sufficiently stiff allow use finishing method silk-anddope iron-on Id inclined avoid some prepainted heat-shrink fabric materials however because weight Fuselage technique called crutch construction pretty self-evident reason crutch assembled directly over top view preassembled cabin sides top formers added Small sections scrap 1/s plywood adhered inside cabin sides helpful locators placing sides onto crutch assemblies must right angles crutch building surface Dont forget hole rudder post capstrip post runs way down onto top stabilizer firewall should drilled fuel lines throttle pushrod nose gear rod engine mounts before assembly fuselage firewall tilted forward build downthrust scrap jig handy checking its position against sides photo prototype does have cabin sides constructed per drawings simply because toyed idea using removable doors original After thinking about complexities accessing components outweighed desire authenticity subsequently sheeted bottom portion tepees assembled over drawings simple fabricate good razor saw utilized As scratch-built project assemble largest components first way piece cut short can still used next former Once sides tepees place forward wing saddle framing windshield braces should added again sure square frank rear tapered portion cabin its joint rear capstrip nearly impossible draw hard describe components cut two angles 28 Model Aviation wing panel being joined center section Note shear webs Prefit radio components before coveringlimited access through wing saddle Type RO Sport Wingspan 75 inches Engine 40-50 four-stroke 25-35 two-stroke Functions Throttle rudder elevator Flying Weight 5 pounds 4 ounces Construction Built-up Covering/Finish Iron-on film Inverted engine no problem care exercised Steerable nose gear modern touch EL KFLATOROLOK{SOLON ELETI Sb SOHTR LC BLOCKL G BETA N STEERINGVGA I1OHORN I115PLT GUSSETGEtS SCREWSIG SHOA BEGGINGooELEVATOR 3110- SLOT BESOCEE[ R~SIG SHO2 STEERING ARM FOR TORSION ~[Z~ss------.~zSY 00-RHO ISA NOSE7-i---iVTh-~L _________________ TORSION ABM Al/US/B IGEAB BLASEBINGE/ I/ZSCREWSNOSE WHEEL DETAIL LG DETAIL A-AU BOLTS51/GO PLO BAYES AL GO MOTOR MOUNT/I/BA PLOWOOK COPS NAB 5/BCGUTcRI\I THROTTLELOtS RfI/2 CAULKSI 3/1G 1/2 SA -/ 010 NO-IOU-F7 U4AC7sF I-NH SR-TSR CORNF-S PLTWOOUELKS ISLE CABLE RALSA FIREWALLF-I IISOALSA BALSA 01450 BALSA ALSA SHEET T ____ S/IS BALSASHEET-MAlEOREETSTRINGER ____________________________ ____________________________________ FUSELAGE TOP VIEW ___CROSS PIECESAUSNETS COAL IN BAOE FRUB I/U BALSAUWISBOWS OWEB 15510K BALSA SIDES ASK TOPTHI-STACH 3/IA 1/ BALSASCRAPBALANCEVNC PLY SILLS WON I/B FILL 514%OTEBUANGS SHOWS OUNGEK SAlTY GO FUOB-rzt:T---/ /H 00 FOEL TUSH BAflKftSPLGpE FOG SANE SEAR 00-MOO ISA SIB MUSIC wIRE GENT TO LENGTH MONK WHEEL LG 3/B BALSAI/B S/B BALSA 1KPHIIT TO q/GTAWILIZEH04 50 SALNR I22 ERASING -STABILIZER LEAOING KOOK 14 RALSA F- IC I CONSTRUCT FUSELAGE SIOKS 00KB PLAN A- CONSTRUCT FCPRWHS 011KB PLAN & ASSEMBLE CRUTCA 00KB PLAN 4 ASSEMBLE SIDE FIREWALL S FOBSERS WITH CRUTCH PINNEB BOWS S BEMOYK ASH AOO BOTTOM PLY L S MOUNT FORMEBS AGO STRISBEBS I/B SARALSA CAP-ROARS ACTEB ASSEMBLY ________________________________S/B 112 SPRUCE/4 BALSA SHEET BALSA IBLOCH ci7Lft516 112 BALSA CROSS PIECES11 FYF-HFTrt1/4 S1H BALSA F-S-4fr9r 114 SQ BALSA I/B 014 T HINGES 1/4 BAUHELBALSAFIN VGNG BALSA ROAN THRO STAB 1/BS 314 BALSA COP RONNO STLON WANES F P ABA AlOE MOTOWA RS STANUZEB IES F-2F-UF-S I1GSG BALSA STRINGERS MODEL AVIATION FUSELAGE SIDE VIEW SUPER BUG 0 PT D NRA BUN RLL RIWINS SHOBY -n FI CD -o U 0 CD CD CD CD H 1/64 PLY BARB BUMPER /ToP ONLY 3/BR -1/2 BALSA T E STOCA___ SAND FROM3 DIHEDRAL EACH WING BOTTOMTIP AT THIS POINT ItIi11ItIt IILIIIIBALSA UP AND RI10UifLEFT DRAIN BALSA WERIItPLAN SIR 1/2 BALSA I] 122 SPRUCE[jI SPAR TOP 6 I3/32 VERTICAL13/16WINGGUSSETS TOP B BOTTOMLI CENTERII 7--3/32 BALSA SHEETBLER BOTTOMBOTTOMif L1153 HEREI - -0 10 IAR-IWRI tWR-I 2 2 2 3 3 Rs S -S WR-S IRE TILT JIG TO11ifAR I/H V2 BALSA3232 VERTiCAL SET DIHEDRALIIIIII 4 ANGLE AT THIS11124 2 SPRUCE SPAR TOP ANDGRAIN BALSA WEB POINT ROTH -I B NTERNAL OBLERBOTTOMIIL WINGS GLASS TOP B ROT TO[k CENTERSECTON 4 EPODTTOPBBST HERE 052V iiItK _II_LI IILI BARER BABE 7 AR E IA K /11 WR-3WR-2 WR-I V F1FFT1_ ---II 0 5 II I- -0 V04I5- RIL IL 3/32 VERTICAL GRAIN RALSARIGHTWINGPLANVU 1/2 HALSA WEHSSPUH TGP AND ROT TO H 1/441/2 SPRUCE -j INTERNAL DOUBLER TOP S ROT -10 AR-I JI-4-V AH3 AR IWR-2- AR 2TAH31jAH-3155831AR-SAR-SAR-I j17 A6x 1/2 SPRUCE IDGALSASCRAP BALSA {RI GHLER 0011GMII SPUR-lop ANDH I GUSSETS ifONLY-TO HEREBOTTOMJJ WJ-I 3/32 PLY 3/8 50 BALSA LEADING EDGE 13/ 12 RALS GE EDT RIBS N /HILF RIBS BALSA BLOCK WING TIPS CARVE TO SHAPE II BALSO SHEET3/ID RALSA SHEET TOP AND BOTTOM JIG FOR SETTING RIB ANGLES AT DIHEDRAL BREAR WJ 3/32 PLYWOOD NOTE HALF RIBS ARE COT FROM 3/84 1/2 RALSA TRAILING EDGE 010CR SIU GAG CLEAR PLASTIC CUT SLIGATLI OVERSIZE AND TRIM TO FIT LIGHTLY HEAT WITH GUN 10 SHAPE WINDSCREEN PATTERN SAND FROM BOTTOM TO CREATE WASHOUT 3 DIHEDRAL EACH TIP AT THIS POINT IMODEL AVIATION B2.3.45B SUPER BUG DESIGNED BT 0 B MA DRAWN BT 0 B MAV-IE BRARUROIA R2I1848 FRONT OF AR2 N AR-3 WING PATTERNO order flare tepee cap suggest sanding slowly block checking frequently fit essential wing saddle flat level solid joints else fails compromise joints cut new piece Add gussets reinforcing strip drill dowel holes adhere upper fuselage assembly still pinned building board trial-fit servos puslirods scrap plywood supports coupled exits front braces should arranged avoid potential flexing rods use 30-inch 2-56 threaded pushrods running inside Nyrods threaded devises surface ends solder links servo anils Remove upper fuselage board add lower formers plywood bottom stabilizer incidence strips landing gear torque boxes Note forward block bottom firewall actually two pieces create box nose gear coil Since main gear will have place before covering model scrap balsa filler used around wire aid covering same true around puslirod exits rear Round bottom stingers tepee cap rear block nose blocks etc 220-grit sandpaper block Wing actually simple wing build original used interior spars slotted ribs fine kit bearcat scratchbuild warps four-spar method chose much simpler stronger other hand half-ribs add nothing cosmetics touch nostalgia could omitted builder should choose wing panels built placing bottom spars sheeting over plans adding ribs leading edge half-ribs top spars shear webs center-section sheeting inboard ribs tilted using jig spars trimmed flush ribs Tip blocks should added time contoured using X-Acto carving blade sanding blocks Cut adhere gussets round leading edge strip Center-section construction follows sequence except outboard ribs spar ends cut right angles building board Outboard wing panels built full rectangle cuffing trailing edge slant after March 1998 33 PARTSABLE MostEngines Tri Model 1950s Brown Jr hi n completing assembly bottoms ribs rear spars sanded flare trailing edge creates built-in washout adds tremendously Bugs inherent stability both panels center section have completed joined blocking up tip dihedral measurement block-sanding face rib parallel table edge Repeat other panel Join outboard panel blocked up pinned weighted-down center section using epoxy epoxy has cured repeat other panel Cut slots along spar/rib face plywood dihedral braces epoxy place joint completed sanding out rough spots wrapping glass tape finishing epoxy resin plywood rubber band bumpers installed after glassing center section tail feathers simple construction dont require much comment spars hinge lines should relatively hard absolutely unwarped wire elevator connector runs inside section inner Nyrod installed same techniques used setting up strip aileron horns Hinges 1954 version small sections music wire running inside brass grommets grommets thread-wrapped cemented top bottom fin model used hot hinges numerous newer products incomparably superior available 42 years ago Dr Goods original Royal Rudder Bug well earlier versions used thin setnisymmetrical airfoils stab rudder stab set about 30 negative no downthrust wing incidence used rudder-only models could sometimes looped climbing considerable altitude using rudder spiral downcreating sufficient speed cause negative stab setting drive model up over loop rudder TM Aircraft Mag Wheels CNC machined aerospace-grade aluminum barstock Nylonbushings friction-free running long Wear Radittsed torners high-stress areas Five spoke mag wheel functional good looks usive RIBLOCK Tire Retention System maximum holding power Recessed center hub keep wheel collar inside rim Hub length sized fit 5/32 axles including Life-Flights Aluminum C-Clip Axles Durable lightweight flat-spot resistant foam tires Radiused tread design smooth ground good looks ment foam tires nylon readily available VISA Master Card welcome Dealer inquiries invited call write Precision Model Products 14423 Hix St nia Michigan 48154 313 464-8594 Champions Choice Worlds Finest & Fastest Racing Engines have trophies prove Versions Sport & Competition Available Sizes 1510 50 Only Way Wil Sport Racing Free-Flight tiectrics 4 Oiameter Replaceable 0-Ring Tire Less thao 1 oz per Pair l Axles Available Can dyed choice color Ultra Maui tackplute Mounting System CNC Burstock Alaminam Replaces Stock Buckplate 0-Ring Seal roobesome Gaskets Available ST 40/45/51 Rossi 40/45 webra 42/513 05 40/4t SF YS 45 Thunder rigor Pru 42/4t/53 Magnum OL 4t/4t/53 Serious Horsepower upgrade Spurt tugines Up iStO RPM Increase Over Stock Muffler Now available tt size ls fit OS 32 webra 32 ST 0 34 05 40/46 SF OS 46 FX ASP 45 Magnum OL 40/46/53 Thander Tiger Pru 40/45 ST GS 4t/45/S1 webra 40/52 MvvS 4g Rassi 40/45/53 lete togine/Muffler Combos Available Application tngine Included Ultra Oil Preoervative After-Ron Oil Model tngioes Fully Compatible OS/YS Pump Systems s Prevent Rust & Corrosion Others Nave Failed lable 3 Convenient Sizes B oz Ouart Gallon Pylon Racing Parts & Accessories uper Tiger YS Repair Service Send $300 1998 Catalog Dealer Inquiries Welcome PERFORMANCE SPECIALTIES P Box 3146 nerville NV 89410 e 702-265-7523 702-265-7522 March 1998 35 neutralized intentional landings power-off chose eliminate semisymmetrical sections construction simplicity because engine downthrust will serve same function originally set stab 00 incidence 70 downthmst Bug needed full down trim control climb throttle setting above 30% Changing 30 positive stab cured unwanted climb problem also increased area rudder slightly tighten turn radius particularly super-slow flight dihedral angle unchanged provides very positive leveling model once rudder neutralized Covering Finish builder has time money importantly skill project would truly beautiful covered silk clear dope Unfortunately wife violently allergic dope fumes therefore photo model finished transparent MonoKote trimmed Rust Oleum paint trim tape Sig Four-Star 40 wing fuselage graphics placed 600 mAh battery pack receiver tank sides sections foam between forming multilayered vertical sandwich just back firewall strip balsa should run across top prevent vibration lifting parts Pushrod servo horn installation builders preference As suggested earlier components should have prefit before coveringthe access through wing saddle limited windows installed last step construction sections clear plastic scored over plans popped apart trimmed fit inside scrap / plywood frames adhered inner edges RC-56 adhesive technique has worked well several projects looks neat utilitarian simple Flying What ajoy finallyafter yearshave Bug take off gracefully fly beautifully land feet over over again total predictability Thats what whole pmject about could go great lengths relating Inflignt ON/OFF Switching Simple Plug Installation Sensors Internal & Unaffected External Conditions Consistent Operation Day Night Overcast Sunny KEEP FLYING THAT MODEL BTA AUTO PILOT FOR YEARS real Auto Pilot Designed back-up unit levels skill BTA Automatic Piloting Systems 192 Yorktown Lane Costa Mesa CA 92626 Phone 714-979-8948 Fax 714-979-8947 Send SASE Information Adjustable Zero & Gains Compatible RC Systems Endorsed Used Top Gun TOC Giant Scale Race Pilots & Experimental Full-Size also 36 Model Aviation er Inquiries welcomeI irplanes built Custom Built Aircraft 910-869-9339J SKYWATCH 3D Omni-directional Solar Powered ii JIi IIIhA thf [1 wI Antiques Military Civilian Helicopters Sailplanesl have wodds Iwpest aircraft documentalion collection 7000 different full color photo studies 1903-1997 35000 3-view line drawings 1998 Cotolo /Guide 200 pages %4t4 Canada/Mexico $10 Only 800 YOverseas $15 00 Bob Bankas scale Model Research Yukon Avenue a Mesa CA 92626 714 979-8058 http I/www imt net/ims/scale htmi virtues Bug new version can summarized rather succinctly model flies like in-between-size Sig Kadet Senior/Senioritaand pretty good recommendation sound aerodynamic design sound design regardless its age brief observation inverted four-stroke engines highly respected magazine engine colunmists used get ballistic subject us run strokers inverted no particular problem secret successfully operating never never c/uke absolutely certain fuel tank location will allow siphoning fuel carburetor set low-end idle bit leannever rich Almost potential problems associated swamping glow plug fuel An onboard glow driver helpful essential Dont back away some project inverted four-stroke engine its manageable installation Bug simple fly ranks right best modem sport/trainers design would worthwhile building project nostalgia baggage has super-delightful suppose purist would construct Royal Rudder Bug exactly originally designed use original radio equipment period Ambroid cement silkspan clear nitrate dope vintage wheels over-and-under fabric hinges etc hed haul model flying site 1952 Ford Victoria wearing clothing period own Whatever brings fun have wondered well old RC designs would fly modem radio equipment wonderful chance find out warning however will have difficult time figuring out wind rubber strip escapement athews 909 North Maize Rd Townhouse 734 Wichita KS 67212 38 Model Aviation s Protective Cap