Free Flight INDOOR Bud Tenny UNIQUE OPPORTUNITY Dave Erbach Event Director International Omithopter Postal Contest flights made between December 1982 December 1 1983 Flights entered unusual challenging event can made Indoor contest sanctioned FAL af filiated national organization such AMA have seen earlier announcement event note Indoor Model Supply Lew Git low has donated $100 cash prizes raising total prizes $80 first place $50 sec ond place addition $35 prize merchandise offered highest flight made model built Indoor Model Supply omithopter kit information set rules can obtained writing Dave 1738 St Marys Road #702 Winnipeg Manitoba R2N 1G8 Canada Entry free interesting way enjoy challenge frustrations flapping-wing flight thing surean omithopter always crowd-pleasing sight work properly peo ple awestruck fail sight really funny Are omithopters haid fly Mans earliest flight attempts centered wing-flapping lack success due poor power efficiency compared props inherent mechanically displacing ax reciprocal motion Model ornithopters has ever full-scale man-carrying ornithopter except science fiction fantasy stories extra challenge produce lightweight mechanisms strong enough handle pow er required Perhaps International Postal Contest will produce some advances ma terials will greatly advance art flappers least two countries holding special events conjunction Daves Inter national Postal meet England Reg Parham flew biplane flappers organizing activities Japan Shigeyoshi Nonaka father Indoor flying Japan organizing Japan Omithopter Championship reputed first contest omithopters 40 years Mr Nonaka hopes push model six minutes does will 50% advance state art rules Indoor Week previous column April 1983 MA gave special rules used Second United States Indoor Cham pionships Rubber Speed Kit-Plan Scale events following rules will effect Manhattan Cabin Bostonian Cabin Manhattan Cabin 1 Airframe weight sans rubber Minimum 4 grams 2 Overall length 20 inches maximum meas ured front prop bearing aft 3 Fuselage a Must support enclose single rub ber motor No motor sticks b Must include exceed theoretical box measuring 25 x 4 x 2 c Must have windshield 2 sq minimum area plus window side 1 sq minimum area covered cellophane similar transparent material 4 Prop wood direct drive fixed-pitch 5 Wing Monoplane maximum projected span 20 maximum 4-in chord Wood bracing allowed 6 Stab Monostab maximum projected span 8 maximum 35-in chord Wood bracing allowed 7 Landing gear Rigid fixed least two wheels minimum diameter Must able support airplane 8 Covering Except windshield side windows paper including condenser paper Microlite allowed no microfilm 9 Flying flights least two-point ROG Best single unlimited number official flights counted Bostonian Cabin I Maximum projected spans16 2 Maximum wind chords3 3 Maximum propeller diameter6 4 Power limited rubber motors 5 Minimum weight rubber motors7 grams 6 Maximum overall length 14 measured front propeller bearing 7 Fuselage must contain theoretical box measuring 15 x 25 x 3 larger longerons must both support motors form exceed box re quirement No motor stick allowed fu selage must have forward windshield window side must equal exceed 1 sq 8 Landing gear must fixed two minimum-diameter 75-in wheels rigid enough support model hand-glided landing 9 ROG takeoffs required official flights 10 Charisma Factor judge rates model model appeals him based construction neatness scalelike de tails uniqueness design etc 10 12 rating used Two models may given same rating models rated against other against 1 0 12 scale 11 An unlimited number official flights allowed total full seconds best three official flights multipled Charisma Factor June 1983 77 Colonel Bob Randolph launches Cabin ship magnificent 31 light Las Alamitos Marine Station airship hangar Photo Jean Andrews Continued page 1S2 Mike Clem Indoor Cabin model 2nd Lake Charles Nats Paper-covered model good learning tool younger fliers typical Manhattan Cabin model Note box incorporated part fuselage directly under wing relatively highperformance models Spin Ill handles wind well com bination sweepback dihedral low center gravity makes very stable will caution however trimming flying vintage-type models watch amount power try fly Use little power possible get model climb slowly Excessive speed type aircraft causes radical flight patterns Ive using Cox 049 engine wood 8-4 propeller have good results engine will turn pro peller too fast Davis Diesel conversion used point very successfully havent tried before good idea keep flight log book Spin III recording fuel amounts flight times flight pattern weather condi tions will able closely predict future flights Fokkers rigging should inspected repaired regularly main tain proper trim strength vibration engine occasional snags sticks landing will tend loosen rig ging nuts bolts may allow model go out trim log book ATIENTION OPS Engines & Parts Available Racing Marine Use OPS 15 ter Midget OPS 45 Marine PLUS Custom TD 049/051 engine parts Complete inventory stock custom parts COX TD 049/051 engines complete information send SI P & G Metal Products 301 North Yale Drive Garland TX 75042 Gene Hempel12141 2725210 lafter 600 PM will tell everything should be fore flight Once trimmed flight can spend much time detailing Spin III wish dummy engine fuel tank can made wood tubing add lot realism would pilot detailing documentation resources listed plans worth looking Check library may unexpectedly turn up some thing would hope will try Spini III use inspiration build special model youve always wanted Its worth time put watch circle overhead FF Indoor/Tenny Continued page 77 Oops previous column told about Indoor Week June 12-19 1983 failed tell enter lets repeat some add Second United States Indoor Championships sponsored National Free Flight Society NFFS National Indoor Mode Airplane Shrank Ocean Spirit st Louis 34 WirgsP EngineS R/C RIC Scale ijt#11O $3195 \7Je offer 22 Flight Capable Designs Send 50$ Flyline Catalog DealerS & Distributors Welcomed psane 703 273 5553 FLYLiNE MODELS INC PO Box 2136 FairfaX virginia 22031 USA Society NIMAS will held first four days Indoor Week site atrium Northwood Institute West Baden tN Times scheduled practice flying Sunday June 12 followed IS AMA special events running through pm. June IS Beginning immediately thereafter Fourth Peanut World Grand Prix runs 24 hours Following Grand Prix will ENART annual NIMAS event runs until sometime Saturday June 18 1983 info about US Indoor Champs get entry blanks send SASE Tony Italiano 1655 Revere Dr BrookField WI 53005 Entry deadline avoid late entry fee June 1 198} postmark entry NIMAS ENART get entry blank info Dr John Martin 3327 Darwin St Miami FL 3333 entry proxyflown Peanuts Grand Prix Mike Arak 10900 SW 61 Court Miami FL 33156 details Kit-Plan Scale event contact Martin Varney 1020 N Wood Griffith IN 46319 Join up way compete tndoor Champs must member AMA already wouldnt reading either NFFS NIMAS Juniors Seniors ex cepted call yourself Free Flighter arent member N FFS cheat ing yourself other FFers Two reasons NFFS actively involved activi ties help perpetuate activity dues money helps insure will always able fly challenging kind miniature aircraft 2 iome NFFS rolls proof interest Free Flight necessity cer tain AMA deliberations affected relative number participants category FF CL RC etc cant count youre signed up hurts us lesser degree true NIMAS also join NFFS write Hal Woods 707 2nd St Davis CA 95616 info NIMASBud Tenny PO Box 545 Richardson TX 75080 NFFS Publications Part on-going service NFFS Free Flight buff impressive array plans other technical publications have gathered made available purchase obtain list whats available send SASE Fred Terzian 4858 Moorpark Ave San Jose CA 95129 cabin classes Before advent Manhattan Bostonian Cabin models AMA Cabin models extremely delicate have evolved models have flown over 31 minutes see photo Col Bob Randolph launching 31-mm model Juniors Seniors often fly paper-covered relatively heavy versions Nats competiton see photo 152 Model Aviation SOUTHERNS SORGHUM & FLEXALL THE STANDARDPLASTICIZER CO NTACTFOR ADHESIVEAC RY LI CS FORAND SHEETING/DOPES FOAM/ eew.I WINGS WILLEeg~ NOTSTOPS CRACKING ATTACKAND STYROFOAMCHIPPING CORES SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 4560 Layhigh Hamilton OH 45013 213 738-1576 ALL NEW CUSTOM SCNNEURLE COK 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engInes Competition parts & accessories Combat Free Fit C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162 ypical Manhattan see photo required aper-covered relatively light some shat delicate much easier AMA lass contrast typical Bostonian essen ially free-form Scale model smaller size md higher weight restrictions Manhattan [he performance helps contrast differences ween events Manhattans fly about 9-10 mm vhile Bostonians fly 2-4 mm range under imilar conditions Bud Tenny PO Box 545 Richardson TX 5080 F Duration/Meuser ontinued page 79 trout razor-thin cantilever wing consisting balsa core plywood covered nearly mmetrical airfoil high speed full hinges near leading trailing edges low wing change high-camber section ir landing retractable landing gear type used inme 15 years later Grumman 1920 H Charlie Grant now 88 still fit Jdle responsible great deal sign has ham full patents relating triable wing-profile arrangements us old-timers remember Charlie litor Model Airplane News magazine id-Thirties early teens st getting started model aviation Almost ery issue contained article about some aspect model airplane design construction written Charlie decade number articles theory practical design aside m Charlies could counted fingers e foot Mostly cut try crash lot Charlie put content lot articles gether book Model Airplane Design first blished 1941 recent classic Gate Aern Science available AMA Supand Service $1125 Enter Wally Batter Wally editor Model iation Canada official publication adel Aeronautics Association Canada o co-editor co-publisher W W Aern blished World War Aeroplanes Inc asionally does some perspective cutaway Iwings early aircraft appear cover Charlies early book basic valid today ever realizing futility invention wheels Wally set about repro e ModelAirplane Design bit time tes Model Aviation Canada can buy se tissues containing parts book $12 year 6 issues postpaid mailed anywhere world sending remittance MAAC x 9 112 Cowan Avenue Oakville Ontario nada L6J 4Z5 5UPER JET REGULAR JET New EZ Use boules New long TAPERED nozzle gets rid major instant glue irritantit hardly / ever clogs does spin clears immediately Exclusive new bottles give tremendously increased shelf life plus contents visibility See dealerhe has nowl PZ4 CHECK OUT THESE NEW LOW PRICES SUPER JETREOULAR JET 00No383 $19500No385 $195 00No384 529900NO356 $295 00No352 $4991ozNo351 $498 2 00No355 8995200No357 $995 interested early aircraft Scale modeler probably already know about WWI Aero 80 pages per issue chock full miscellany about fabulous early planes Two years ago WWI Aero published its first Scale Special issue No 84 especially Scale modelers full brim drawings sketches just sort modelers drool over have just recently published second Scale Special issue No 92 same Both available $5 US WW Acm 114 Country Club Place Sault Ste Marie Ontario P6A 6A3 Canada Best hurry isnt already too late WW Acm also has copies variety old drawings manuals books sale Best check out interested sort stuff Balsa stripper cant find Jim Jones balsa stripper dont own Idummy dont want change setting try whole works put together cyanoacrylate cant pronounce just use Hot Stuff thickness center vertical strip deter mines width cut vertical gap should larger sheet thickness chunk razor blade choice gets sandwiched tween strips its tip should stick holddown strip prevent waving around breeze cutting soft balsa might find shreds wood accumulating near tip blade tweek away tip bamboo barbeque stick Consider stripper 'dis posable make bunch chuck em blade dulls Use Jim Jones either two ways hold gizmo hand push sheet stock through thc other clamp versa-vice push-pull stock through both hands prefer latter An occasional tru ing up edge stock using straight edge sometimes required somewhere along cut stock wandersyou can usually feel happenpull stock back bit continue cut Youll end up bad spot strip edge will remain straight cutting next strip Non-climbing motor hook design appeared Hangar Pilot attributed M Wells objective wiggles squiggles wire neoprene tubing eliminate problem rubber motor slipping off hook eliminate bunching wound motor around hook provide truer centering rubber motor respect shaft Im sure wiggles squiggles absolutely essential although pretty obvious directions followed letter objectives will met might try bending up crude June 1983 153 LA RODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * Tuned Pipes Muffled Tuned PiDes * Headers * Venturi Mufflers * Expansion Mufflers * Helicopter Ball Mufflers * Specialized Exhaust Systems Unsurpassed Workmanship & Performance Dealer
Edition: Model Aviation - 1983/06
Page Numbers: 77, 152, 153
Edition: Model Aviation - 1983/06
Page Numbers: 77, 152, 153
Free Flight INDOOR Bud Tenny UNIQUE OPPORTUNITY Dave Erbach Event Director International Omithopter Postal Contest flights made between December 1982 December 1 1983 Flights entered unusual challenging event can made Indoor contest sanctioned FAL af filiated national organization such AMA have seen earlier announcement event note Indoor Model Supply Lew Git low has donated $100 cash prizes raising total prizes $80 first place $50 sec ond place addition $35 prize merchandise offered highest flight made model built Indoor Model Supply omithopter kit information set rules can obtained writing Dave 1738 St Marys Road #702 Winnipeg Manitoba R2N 1G8 Canada Entry free interesting way enjoy challenge frustrations flapping-wing flight thing surean omithopter always crowd-pleasing sight work properly peo ple awestruck fail sight really funny Are omithopters haid fly Mans earliest flight attempts centered wing-flapping lack success due poor power efficiency compared props inherent mechanically displacing ax reciprocal motion Model ornithopters has ever full-scale man-carrying ornithopter except science fiction fantasy stories extra challenge produce lightweight mechanisms strong enough handle pow er required Perhaps International Postal Contest will produce some advances ma terials will greatly advance art flappers least two countries holding special events conjunction Daves Inter national Postal meet England Reg Parham flew biplane flappers organizing activities Japan Shigeyoshi Nonaka father Indoor flying Japan organizing Japan Omithopter Championship reputed first contest omithopters 40 years Mr Nonaka hopes push model six minutes does will 50% advance state art rules Indoor Week previous column April 1983 MA gave special rules used Second United States Indoor Cham pionships Rubber Speed Kit-Plan Scale events following rules will effect Manhattan Cabin Bostonian Cabin Manhattan Cabin 1 Airframe weight sans rubber Minimum 4 grams 2 Overall length 20 inches maximum meas ured front prop bearing aft 3 Fuselage a Must support enclose single rub ber motor No motor sticks b Must include exceed theoretical box measuring 25 x 4 x 2 c Must have windshield 2 sq minimum area plus window side 1 sq minimum area covered cellophane similar transparent material 4 Prop wood direct drive fixed-pitch 5 Wing Monoplane maximum projected span 20 maximum 4-in chord Wood bracing allowed 6 Stab Monostab maximum projected span 8 maximum 35-in chord Wood bracing allowed 7 Landing gear Rigid fixed least two wheels minimum diameter Must able support airplane 8 Covering Except windshield side windows paper including condenser paper Microlite allowed no microfilm 9 Flying flights least two-point ROG Best single unlimited number official flights counted Bostonian Cabin I Maximum projected spans16 2 Maximum wind chords3 3 Maximum propeller diameter6 4 Power limited rubber motors 5 Minimum weight rubber motors7 grams 6 Maximum overall length 14 measured front propeller bearing 7 Fuselage must contain theoretical box measuring 15 x 25 x 3 larger longerons must both support motors form exceed box re quirement No motor stick allowed fu selage must have forward windshield window side must equal exceed 1 sq 8 Landing gear must fixed two minimum-diameter 75-in wheels rigid enough support model hand-glided landing 9 ROG takeoffs required official flights 10 Charisma Factor judge rates model model appeals him based construction neatness scalelike de tails uniqueness design etc 10 12 rating used Two models may given same rating models rated against other against 1 0 12 scale 11 An unlimited number official flights allowed total full seconds best three official flights multipled Charisma Factor June 1983 77 Colonel Bob Randolph launches Cabin ship magnificent 31 light Las Alamitos Marine Station airship hangar Photo Jean Andrews Continued page 1S2 Mike Clem Indoor Cabin model 2nd Lake Charles Nats Paper-covered model good learning tool younger fliers typical Manhattan Cabin model Note box incorporated part fuselage directly under wing relatively highperformance models Spin Ill handles wind well com bination sweepback dihedral low center gravity makes very stable will caution however trimming flying vintage-type models watch amount power try fly Use little power possible get model climb slowly Excessive speed type aircraft causes radical flight patterns Ive using Cox 049 engine wood 8-4 propeller have good results engine will turn pro peller too fast Davis Diesel conversion used point very successfully havent tried before good idea keep flight log book Spin III recording fuel amounts flight times flight pattern weather condi tions will able closely predict future flights Fokkers rigging should inspected repaired regularly main tain proper trim strength vibration engine occasional snags sticks landing will tend loosen rig ging nuts bolts may allow model go out trim log book ATIENTION OPS Engines & Parts Available Racing Marine Use OPS 15 ter Midget OPS 45 Marine PLUS Custom TD 049/051 engine parts Complete inventory stock custom parts COX TD 049/051 engines complete information send SI P & G Metal Products 301 North Yale Drive Garland TX 75042 Gene Hempel12141 2725210 lafter 600 PM will tell everything should be fore flight Once trimmed flight can spend much time detailing Spin III wish dummy engine fuel tank can made wood tubing add lot realism would pilot detailing documentation resources listed plans worth looking Check library may unexpectedly turn up some thing would hope will try Spini III use inspiration build special model youve always wanted Its worth time put watch circle overhead FF Indoor/Tenny Continued page 77 Oops previous column told about Indoor Week June 12-19 1983 failed tell enter lets repeat some add Second United States Indoor Championships sponsored National Free Flight Society NFFS National Indoor Mode Airplane Shrank Ocean Spirit st Louis 34 WirgsP EngineS R/C RIC Scale ijt#11O $3195 \7Je offer 22 Flight Capable Designs Send 50$ Flyline Catalog DealerS & Distributors Welcomed psane 703 273 5553 FLYLiNE MODELS INC PO Box 2136 FairfaX virginia 22031 USA Society NIMAS will held first four days Indoor Week site atrium Northwood Institute West Baden tN Times scheduled practice flying Sunday June 12 followed IS AMA special events running through pm. June IS Beginning immediately thereafter Fourth Peanut World Grand Prix runs 24 hours Following Grand Prix will ENART annual NIMAS event runs until sometime Saturday June 18 1983 info about US Indoor Champs get entry blanks send SASE Tony Italiano 1655 Revere Dr BrookField WI 53005 Entry deadline avoid late entry fee June 1 198} postmark entry NIMAS ENART get entry blank info Dr John Martin 3327 Darwin St Miami FL 3333 entry proxyflown Peanuts Grand Prix Mike Arak 10900 SW 61 Court Miami FL 33156 details Kit-Plan Scale event contact Martin Varney 1020 N Wood Griffith IN 46319 Join up way compete tndoor Champs must member AMA already wouldnt reading either NFFS NIMAS Juniors Seniors ex cepted call yourself Free Flighter arent member N FFS cheat ing yourself other FFers Two reasons NFFS actively involved activi ties help perpetuate activity dues money helps insure will always able fly challenging kind miniature aircraft 2 iome NFFS rolls proof interest Free Flight necessity cer tain AMA deliberations affected relative number participants category FF CL RC etc cant count youre signed up hurts us lesser degree true NIMAS also join NFFS write Hal Woods 707 2nd St Davis CA 95616 info NIMASBud Tenny PO Box 545 Richardson TX 75080 NFFS Publications Part on-going service NFFS Free Flight buff impressive array plans other technical publications have gathered made available purchase obtain list whats available send SASE Fred Terzian 4858 Moorpark Ave San Jose CA 95129 cabin classes Before advent Manhattan Bostonian Cabin models AMA Cabin models extremely delicate have evolved models have flown over 31 minutes see photo Col Bob Randolph launching 31-mm model Juniors Seniors often fly paper-covered relatively heavy versions Nats competiton see photo 152 Model Aviation SOUTHERNS SORGHUM & FLEXALL THE STANDARDPLASTICIZER CO NTACTFOR ADHESIVEAC RY LI CS FORAND SHEETING/DOPES FOAM/ eew.I WINGS WILLEeg~ NOTSTOPS CRACKING ATTACKAND STYROFOAMCHIPPING CORES SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 4560 Layhigh Hamilton OH 45013 213 738-1576 ALL NEW CUSTOM SCNNEURLE COK 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engInes Competition parts & accessories Combat Free Fit C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162 ypical Manhattan see photo required aper-covered relatively light some shat delicate much easier AMA lass contrast typical Bostonian essen ially free-form Scale model smaller size md higher weight restrictions Manhattan [he performance helps contrast differences ween events Manhattans fly about 9-10 mm vhile Bostonians fly 2-4 mm range under imilar conditions Bud Tenny PO Box 545 Richardson TX 5080 F Duration/Meuser ontinued page 79 trout razor-thin cantilever wing consisting balsa core plywood covered nearly mmetrical airfoil high speed full hinges near leading trailing edges low wing change high-camber section ir landing retractable landing gear type used inme 15 years later Grumman 1920 H Charlie Grant now 88 still fit Jdle responsible great deal sign has ham full patents relating triable wing-profile arrangements us old-timers remember Charlie litor Model Airplane News magazine id-Thirties early teens st getting started model aviation Almost ery issue contained article about some aspect model airplane design construction written Charlie decade number articles theory practical design aside m Charlies could counted fingers e foot Mostly cut try crash lot Charlie put content lot articles gether book Model Airplane Design first blished 1941 recent classic Gate Aern Science available AMA Supand Service $1125 Enter Wally Batter Wally editor Model iation Canada official publication adel Aeronautics Association Canada o co-editor co-publisher W W Aern blished World War Aeroplanes Inc asionally does some perspective cutaway Iwings early aircraft appear cover Charlies early book basic valid today ever realizing futility invention wheels Wally set about repro e ModelAirplane Design bit time tes Model Aviation Canada can buy se tissues containing parts book $12 year 6 issues postpaid mailed anywhere world sending remittance MAAC x 9 112 Cowan Avenue Oakville Ontario nada L6J 4Z5 5UPER JET REGULAR JET New EZ Use boules New long TAPERED nozzle gets rid major instant glue irritantit hardly / ever clogs does spin clears immediately Exclusive new bottles give tremendously increased shelf life plus contents visibility See dealerhe has nowl PZ4 CHECK OUT THESE NEW LOW PRICES SUPER JETREOULAR JET 00No383 $19500No385 $195 00No384 529900NO356 $295 00No352 $4991ozNo351 $498 2 00No355 8995200No357 $995 interested early aircraft Scale modeler probably already know about WWI Aero 80 pages per issue chock full miscellany about fabulous early planes Two years ago WWI Aero published its first Scale Special issue No 84 especially Scale modelers full brim drawings sketches just sort modelers drool over have just recently published second Scale Special issue No 92 same Both available $5 US WW Acm 114 Country Club Place Sault Ste Marie Ontario P6A 6A3 Canada Best hurry isnt already too late WW Acm also has copies variety old drawings manuals books sale Best check out interested sort stuff Balsa stripper cant find Jim Jones balsa stripper dont own Idummy dont want change setting try whole works put together cyanoacrylate cant pronounce just use Hot Stuff thickness center vertical strip deter mines width cut vertical gap should larger sheet thickness chunk razor blade choice gets sandwiched tween strips its tip should stick holddown strip prevent waving around breeze cutting soft balsa might find shreds wood accumulating near tip blade tweek away tip bamboo barbeque stick Consider stripper 'dis posable make bunch chuck em blade dulls Use Jim Jones either two ways hold gizmo hand push sheet stock through thc other clamp versa-vice push-pull stock through both hands prefer latter An occasional tru ing up edge stock using straight edge sometimes required somewhere along cut stock wandersyou can usually feel happenpull stock back bit continue cut Youll end up bad spot strip edge will remain straight cutting next strip Non-climbing motor hook design appeared Hangar Pilot attributed M Wells objective wiggles squiggles wire neoprene tubing eliminate problem rubber motor slipping off hook eliminate bunching wound motor around hook provide truer centering rubber motor respect shaft Im sure wiggles squiggles absolutely essential although pretty obvious directions followed letter objectives will met might try bending up crude June 1983 153 LA RODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * Tuned Pipes Muffled Tuned PiDes * Headers * Venturi Mufflers * Expansion Mufflers * Helicopter Ball Mufflers * Specialized Exhaust Systems Unsurpassed Workmanship & Performance Dealer
Edition: Model Aviation - 1983/06
Page Numbers: 77, 152, 153
Free Flight INDOOR Bud Tenny UNIQUE OPPORTUNITY Dave Erbach Event Director International Omithopter Postal Contest flights made between December 1982 December 1 1983 Flights entered unusual challenging event can made Indoor contest sanctioned FAL af filiated national organization such AMA have seen earlier announcement event note Indoor Model Supply Lew Git low has donated $100 cash prizes raising total prizes $80 first place $50 sec ond place addition $35 prize merchandise offered highest flight made model built Indoor Model Supply omithopter kit information set rules can obtained writing Dave 1738 St Marys Road #702 Winnipeg Manitoba R2N 1G8 Canada Entry free interesting way enjoy challenge frustrations flapping-wing flight thing surean omithopter always crowd-pleasing sight work properly peo ple awestruck fail sight really funny Are omithopters haid fly Mans earliest flight attempts centered wing-flapping lack success due poor power efficiency compared props inherent mechanically displacing ax reciprocal motion Model ornithopters has ever full-scale man-carrying ornithopter except science fiction fantasy stories extra challenge produce lightweight mechanisms strong enough handle pow er required Perhaps International Postal Contest will produce some advances ma terials will greatly advance art flappers least two countries holding special events conjunction Daves Inter national Postal meet England Reg Parham flew biplane flappers organizing activities Japan Shigeyoshi Nonaka father Indoor flying Japan organizing Japan Omithopter Championship reputed first contest omithopters 40 years Mr Nonaka hopes push model six minutes does will 50% advance state art rules Indoor Week previous column April 1983 MA gave special rules used Second United States Indoor Cham pionships Rubber Speed Kit-Plan Scale events following rules will effect Manhattan Cabin Bostonian Cabin Manhattan Cabin 1 Airframe weight sans rubber Minimum 4 grams 2 Overall length 20 inches maximum meas ured front prop bearing aft 3 Fuselage a Must support enclose single rub ber motor No motor sticks b Must include exceed theoretical box measuring 25 x 4 x 2 c Must have windshield 2 sq minimum area plus window side 1 sq minimum area covered cellophane similar transparent material 4 Prop wood direct drive fixed-pitch 5 Wing Monoplane maximum projected span 20 maximum 4-in chord Wood bracing allowed 6 Stab Monostab maximum projected span 8 maximum 35-in chord Wood bracing allowed 7 Landing gear Rigid fixed least two wheels minimum diameter Must able support airplane 8 Covering Except windshield side windows paper including condenser paper Microlite allowed no microfilm 9 Flying flights least two-point ROG Best single unlimited number official flights counted Bostonian Cabin I Maximum projected spans16 2 Maximum wind chords3 3 Maximum propeller diameter6 4 Power limited rubber motors 5 Minimum weight rubber motors7 grams 6 Maximum overall length 14 measured front propeller bearing 7 Fuselage must contain theoretical box measuring 15 x 25 x 3 larger longerons must both support motors form exceed box re quirement No motor stick allowed fu selage must have forward windshield window side must equal exceed 1 sq 8 Landing gear must fixed two minimum-diameter 75-in wheels rigid enough support model hand-glided landing 9 ROG takeoffs required official flights 10 Charisma Factor judge rates model model appeals him based construction neatness scalelike de tails uniqueness design etc 10 12 rating used Two models may given same rating models rated against other against 1 0 12 scale 11 An unlimited number official flights allowed total full seconds best three official flights multipled Charisma Factor June 1983 77 Colonel Bob Randolph launches Cabin ship magnificent 31 light Las Alamitos Marine Station airship hangar Photo Jean Andrews Continued page 1S2 Mike Clem Indoor Cabin model 2nd Lake Charles Nats Paper-covered model good learning tool younger fliers typical Manhattan Cabin model Note box incorporated part fuselage directly under wing relatively highperformance models Spin Ill handles wind well com bination sweepback dihedral low center gravity makes very stable will caution however trimming flying vintage-type models watch amount power try fly Use little power possible get model climb slowly Excessive speed type aircraft causes radical flight patterns Ive using Cox 049 engine wood 8-4 propeller have good results engine will turn pro peller too fast Davis Diesel conversion used point very successfully havent tried before good idea keep flight log book Spin III recording fuel amounts flight times flight pattern weather condi tions will able closely predict future flights Fokkers rigging should inspected repaired regularly main tain proper trim strength vibration engine occasional snags sticks landing will tend loosen rig ging nuts bolts may allow model go out trim log book ATIENTION OPS Engines & Parts Available Racing Marine Use OPS 15 ter Midget OPS 45 Marine PLUS Custom TD 049/051 engine parts Complete inventory stock custom parts COX TD 049/051 engines complete information send SI P & G Metal Products 301 North Yale Drive Garland TX 75042 Gene Hempel12141 2725210 lafter 600 PM will tell everything should be fore flight Once trimmed flight can spend much time detailing Spin III wish dummy engine fuel tank can made wood tubing add lot realism would pilot detailing documentation resources listed plans worth looking Check library may unexpectedly turn up some thing would hope will try Spini III use inspiration build special model youve always wanted Its worth time put watch circle overhead FF Indoor/Tenny Continued page 77 Oops previous column told about Indoor Week June 12-19 1983 failed tell enter lets repeat some add Second United States Indoor Championships sponsored National Free Flight Society NFFS National Indoor Mode Airplane Shrank Ocean Spirit st Louis 34 WirgsP EngineS R/C RIC Scale ijt#11O $3195 \7Je offer 22 Flight Capable Designs Send 50$ Flyline Catalog DealerS & Distributors Welcomed psane 703 273 5553 FLYLiNE MODELS INC PO Box 2136 FairfaX virginia 22031 USA Society NIMAS will held first four days Indoor Week site atrium Northwood Institute West Baden tN Times scheduled practice flying Sunday June 12 followed IS AMA special events running through pm. June IS Beginning immediately thereafter Fourth Peanut World Grand Prix runs 24 hours Following Grand Prix will ENART annual NIMAS event runs until sometime Saturday June 18 1983 info about US Indoor Champs get entry blanks send SASE Tony Italiano 1655 Revere Dr BrookField WI 53005 Entry deadline avoid late entry fee June 1 198} postmark entry NIMAS ENART get entry blank info Dr John Martin 3327 Darwin St Miami FL 3333 entry proxyflown Peanuts Grand Prix Mike Arak 10900 SW 61 Court Miami FL 33156 details Kit-Plan Scale event contact Martin Varney 1020 N Wood Griffith IN 46319 Join up way compete tndoor Champs must member AMA already wouldnt reading either NFFS NIMAS Juniors Seniors ex cepted call yourself Free Flighter arent member N FFS cheat ing yourself other FFers Two reasons NFFS actively involved activi ties help perpetuate activity dues money helps insure will always able fly challenging kind miniature aircraft 2 iome NFFS rolls proof interest Free Flight necessity cer tain AMA deliberations affected relative number participants category FF CL RC etc cant count youre signed up hurts us lesser degree true NIMAS also join NFFS write Hal Woods 707 2nd St Davis CA 95616 info NIMASBud Tenny PO Box 545 Richardson TX 75080 NFFS Publications Part on-going service NFFS Free Flight buff impressive array plans other technical publications have gathered made available purchase obtain list whats available send SASE Fred Terzian 4858 Moorpark Ave San Jose CA 95129 cabin classes Before advent Manhattan Bostonian Cabin models AMA Cabin models extremely delicate have evolved models have flown over 31 minutes see photo Col Bob Randolph launching 31-mm model Juniors Seniors often fly paper-covered relatively heavy versions Nats competiton see photo 152 Model Aviation SOUTHERNS SORGHUM & FLEXALL THE STANDARDPLASTICIZER CO NTACTFOR ADHESIVEAC RY LI CS FORAND SHEETING/DOPES FOAM/ eew.I WINGS WILLEeg~ NOTSTOPS CRACKING ATTACKAND STYROFOAMCHIPPING CORES SEE YOUR DEALER OR DISTRIBUTOR DAVE BROWN PRODUCTS 4560 Layhigh Hamilton OH 45013 213 738-1576 ALL NEW CUSTOM SCNNEURLE COK 049 ENGINES Racing & Stunt versions special hard chrome & honing technology Also Complete inventory individual stock custom parts Cox TD 020 049 051 & 09 engInes Competition parts & accessories Combat Free Fit C/L & R/C Racing Speed Stunt & Team Race Exclusive distributor Nelson 15 engIne & parts detailed catalog send 50 cents Kustom Kraftsmanshlp Box 2699 Laguna Hills CA 92653 Telephone 714 830-5162 ypical Manhattan see photo required aper-covered relatively light some shat delicate much easier AMA lass contrast typical Bostonian essen ially free-form Scale model smaller size md higher weight restrictions Manhattan [he performance helps contrast differences ween events Manhattans fly about 9-10 mm vhile Bostonians fly 2-4 mm range under imilar conditions Bud Tenny PO Box 545 Richardson TX 5080 F Duration/Meuser ontinued page 79 trout razor-thin cantilever wing consisting balsa core plywood covered nearly mmetrical airfoil high speed full hinges near leading trailing edges low wing change high-camber section ir landing retractable landing gear type used inme 15 years later Grumman 1920 H Charlie Grant now 88 still fit Jdle responsible great deal sign has ham full patents relating triable wing-profile arrangements us old-timers remember Charlie litor Model Airplane News magazine id-Thirties early teens st getting started model aviation Almost ery issue contained article about some aspect model airplane design construction written Charlie decade number articles theory practical design aside m Charlies could counted fingers e foot Mostly cut try crash lot Charlie put content lot articles gether book Model Airplane Design first blished 1941 recent classic Gate Aern Science available AMA Supand Service $1125 Enter Wally Batter Wally editor Model iation Canada official publication adel Aeronautics Association Canada o co-editor co-publisher W W Aern blished World War Aeroplanes Inc asionally does some perspective cutaway Iwings early aircraft appear cover Charlies early book basic valid today ever realizing futility invention wheels Wally set about repro e ModelAirplane Design bit time tes Model Aviation Canada can buy se tissues containing parts book $12 year 6 issues postpaid mailed anywhere world sending remittance MAAC x 9 112 Cowan Avenue Oakville Ontario nada L6J 4Z5 5UPER JET REGULAR JET New EZ Use boules New long TAPERED nozzle gets rid major instant glue irritantit hardly / ever clogs does spin clears immediately Exclusive new bottles give tremendously increased shelf life plus contents visibility See dealerhe has nowl PZ4 CHECK OUT THESE NEW LOW PRICES SUPER JETREOULAR JET 00No383 $19500No385 $195 00No384 529900NO356 $295 00No352 $4991ozNo351 $498 2 00No355 8995200No357 $995 interested early aircraft Scale modeler probably already know about WWI Aero 80 pages per issue chock full miscellany about fabulous early planes Two years ago WWI Aero published its first Scale Special issue No 84 especially Scale modelers full brim drawings sketches just sort modelers drool over have just recently published second Scale Special issue No 92 same Both available $5 US WW Acm 114 Country Club Place Sault Ste Marie Ontario P6A 6A3 Canada Best hurry isnt already too late WW Acm also has copies variety old drawings manuals books sale Best check out interested sort stuff Balsa stripper cant find Jim Jones balsa stripper dont own Idummy dont want change setting try whole works put together cyanoacrylate cant pronounce just use Hot Stuff thickness center vertical strip deter mines width cut vertical gap should larger sheet thickness chunk razor blade choice gets sandwiched tween strips its tip should stick holddown strip prevent waving around breeze cutting soft balsa might find shreds wood accumulating near tip blade tweek away tip bamboo barbeque stick Consider stripper 'dis posable make bunch chuck em blade dulls Use Jim Jones either two ways hold gizmo hand push sheet stock through thc other clamp versa-vice push-pull stock through both hands prefer latter An occasional tru ing up edge stock using straight edge sometimes required somewhere along cut stock wandersyou can usually feel happenpull stock back bit continue cut Youll end up bad spot strip edge will remain straight cutting next strip Non-climbing motor hook design appeared Hangar Pilot attributed M Wells objective wiggles squiggles wire neoprene tubing eliminate problem rubber motor slipping off hook eliminate bunching wound motor around hook provide truer centering rubber motor respect shaft Im sure wiggles squiggles absolutely essential although pretty obvious directions followed letter objectives will met might try bending up crude June 1983 153 LA RODUCTS FOR THE DISCERNING MODELER Complete Line Exhaust Systems * Tuned Pipes Muffled Tuned PiDes * Headers * Venturi Mufflers * Expansion Mufflers * Helicopter Ball Mufflers * Specialized Exhaust Systems 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