Free Flight Duration Harry Murphy GREETINGS feel should make ini tial comment two reference Bob Meusers name being displaced Contributing Editor Free Flight Dura tion First Bobs followers may rest fears because will return same old stand next issue However since Bob has formally request ed some relief cranking out column monthly basis boss has worked out plan accept report every-other-month schedule has subsequently lassoed writer tempt fill alternate monthly gaps plan also affords opportunity inject sprinkling little Midwest flavor column hope will prove interesting contrast Bobs fine reports doesnt work out Im certainly going toss blame back Bobs direction because understand culprit volunteered Publishers note CR W chore first place Anyway goes. Lets hear Y4A Much like Cox ifs syrlngeso says Jim Waiston simple flii-er-up procedure tori Cox TD 020 assures easy engine stifling makes competing 020 events pleasurable TD 049 dominates AA Free Flight competition its kid brother Cox TD 020 enjoys similar position such events AMA Payload Cargo SAMs 020 Replica now new NFFS-sponsored AA Nostalgia Gas event various events certainly indica tors popularity diminutive power plant current activity being particularly noticeable SAM Socie ty Antique Modelers event Should some reasons popularity 020 Replica associated oppor tunity compete miniaturized ver sions full-size vintage ignition designs would seem new NFFS Na tional Free Flight Society event covers early glow-plug-powered era might soon generate some renewed 020 sales catches under NFFS tutelage Since TD 020 has around approximately 25 years should safe assume gas-powered compet itors have least some semblance exposure AA competition have come establish some level participa tion events involved Personally am staunch supporter events number reasons opportunity afforded Junior age competition currently commercial Free Flight kits magazine 62 Model Aviation Central Ohio Free Flight Club COFFC mainstay Dick Smith displays pianform rear finned Wyvern COFFCs ill-Gas meet held WPAFB Miy 27 Power K&B 49cc 50% nitro model took second B Gas Cleveland-area FFer Charlie Jones rests few moments turf WPAFB Dayton OH after Jogging retrieve black-and-orange Max-A-Million 450 ST 23 power plans available SAM 020 Replica event other Free Flight Gas events combinedunfortunate true youngster cant afford mechanical fuel shutoff can always use simple eyedropper tank take hammer inexpensive Tomy Toy Robot little ingenuity utilize its innards pinchoff thin-wall surgical tubing means control engine run addition 020 should provide safest competition gas engine category youngsters weli us old folks criticism Cox TD 020 think might some stances could somewhat contrary start Fortunately normal reason 020 does draw fuel well small orifices venturi get clog gedparticularly engine run very often cleaned properly after running session starting Cox TD 020 has offered some difficulty past might interested sim ple preparation procedure recently caught attention Rick Pangells newsletter Max-Out publication Denver CO-based Magnificent Mountain Men However procedure actually credited Jim Walston resides much lower altitudes Smyrna GA Jim says uses following proce dure 020s before enginerunning session very positive results 1 Open needle valve several turns Disconnect fuel line NV Con nect empty syringe NV body short piece tubing Clear tiny jets venturi half-dozen blasts air syringe Reconnect fuel line set NV about two turns open 2 Fill tank full keep syringe connected tank filler tubes place finger over other tube Carefully force fuel through fuel line up NV Dont flood engine 3 Prime exhaust about two drops fuel connect battery Strike prop vertically down hori zontally use electric starter starter spring doesnt start run out prime after four strikes put ear exhaust port listen can hear plug crackling blow through exhaust clear excess fuel cylinder should start runs out prime quits open NV another 1A turn repeat prime etc Jim also recommends light 50% nitro fuel top performance addition claims has found pressurizing fuel system unnecessary reference 020 Replica event also advises keeping models flying weight four ounces less wing area 150- 165-sq-in range Continued page 157 Custom fuel tanks can made auto mobile carburetorfiosts Shopping fordiffer entaizesand shapescanslmpilfyiightwelght gas tank requirements OT Nostalgia Gas instaiiations isa McCoy36 ignition engine Super Cyclone metai mounts Roi Anderson waits good iift final round May 26 COFFC FAI Select Meet WPAFB logged 3rd place behind teammate Norm Poti upstart Hardy Brodersen Buck Zehr Super Cyclone-powered Fabrioted Playboy Sr Cabin Class C winner previous Mini SAM Champs Three Rivers Mi However popular twoday affair preempted year sponsors Michigan Antique Modelers could concen trate running big show Bong Field summerthe 84 SAM Champs butterflies served near three-view references point employed ma jor toy company two scale models Dracula bat conceived deemed too fragile manufac ture body Dracula figure foam Hollowing kept weight down cape formed flapping wings tail double bellcrank housed inside chest flapper concept sold another toy manufacturer price $50000 Two prototypes flapper built About 1970 Columbus Ohio asked come up full-size replica chicken ad agency pro moting country-style restaurant ac count week-long gala held year farm restaurant chain began attractions live chicken flying contest fake chicken put-on contest Ken Johnsons name en tered bonafide contestant day event bird smuggled area Eight large country-style mailboxes constructed hillside live chickens loaded back boxes signal front door would open chicken would fly out chicken wound five agency friends shielded view As whistle blew 100 spectators gasped seven chickens look-alike flew out over hill surprised announcer disqualified entry As rehearsed loudly disagreed distant sirens announced arrival sheriff disgruntled handcuffed Ken Johnson pushed squad car whisked off down road sirens screaming cuffs removed driven back area milling around through crowd some minutes later little old lady approached Dont try stuff again next year fellow stated obvi ously believing entire episode real Insects have seemed like great chal lenge flappers decided try like dragonfly seen linkage setup Baxters model flap per behind other could adapt ed end After sketches craft built result 12-in model blue dragonfly flies straight line about 30 feet doesnt sound like much distance try beating will see tough Another intriguing insect firefly Did know glow worm few creatures nature flap ping wings fixed wing fragile transparent flappers protected insect flight black wing cover cover has airfoil ellip tical tips As firefly prepares flight wing cover hinges forward side right angle body Got ta try soon oddity dis covered painting picture Still Using bid Fashioned IVing HingesGO will gain control efficiency eliminating gap between moveable nd stationary control surfaces will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 FT LENGTHS SMALL 118 ORPRICE 3 ft $250 LARGE 114 insect strobe light account picture appeared full-page ad Grimes Co Urbana OH Several outdoor Ornithopters late have thermal flights over 8 mm design used variation latest Indoor model difference being wood sizes tripled motor stick/tail boom solid balsa Ive lost two far Mile Square Park Fountain Valley CA thrill see flapper flying up away thermal latest series models canard design sent Bill Hannan French flapper unique because fea tures three-member bellcrank arrange ment apparatus moves wings tail independently As wings go down tail goes up similar angle-of-attack changer used model years ago Paul Del Gatto first Ornithopter type flew right off board flapper wings go up tail goes up setup worked better 20-in version canard flies very smoothly its stable Someone dubbed Manta Ray An Ornithopter builders list must clude Leonardo DiVinci Frenchman Jobert 1872 Dr Huneau de Villeneuve Penaudalong modern-day builders like PH Spenser Harry Graulich Carl Goldberg Ed Lidgard Larry Conover Ron Ganser Edmond Smith Walter David Erbach Bill Watson Jerry Murphy Bob White Bob Meuser Lew Gitlow Al Rohbaugh Jean Andrews Walt Kulzer Only surface has scratched flapping-wing aircraft have completed 135 machines written plan build least 200 Some time ago decided flaps flies its Ornithopter recent model has vertical EASY TO INSTALL 42 3 CUT 1/4 DEEP SLIT ALONG TIf FLKL LENGTH THE MArING NAqEACES MISTALL NM/GEUSE STRAIGHT PIN TO MAKE SM4LL HOLE EVANY RICH OR SODR/P CYANOACRYLATE GLLF IN HOLESCAPLLARY ACDON MILL CARRY GLUE ALONG ENTIRE JDNT FOR ADDITONAL SEaiRIT1 MISERT SMALL PIN EVERY FEW ARCHES CUT OFF FLUSH F1LL AND SAND AS AEEDED FOR FIR/SHING Send Free info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 flappers similar fishs side fins Guess what flies worldwide club Ornithoptologists begun last year can join send ing name address have two goals 1 have Ornithopters recog nized fine art kinetic sculpture Recently 25 flappers featured one-man art show month Los Angeles Mission College 2 build fly full-size man-carrying nithopter Two friends both aeronautical engineers have offered help quest platform variation Indoor design Note would like get plans Ornithopter model check sources Indoor Model Supply ex cellent Indoor kit Box C Garberville CA 95440 Micro-X-Models two plans K Johnson PO Box 1063 Lorain OH 44055 Send comments Ken Johnson 16052 Tulsa St Granada Hills CA 91344 FF DurationlMurpy Continued page 63 wing built strong enough stand motor bike retrieving thinks its very good event should taken seriously Well James now know get 020 started certainly shall Custom Fuel Tanks Old-Timer Nostalgia Gas movements have ten dency force rediscovery number lost arts may have put aside Free Flighters some years Such item art fabricating custom fuel tanks variety engines applications So needs Pacifier tanks have standard competition FF Continued page 160 November1984 157 AGAPLESS HiNGE SLOTTER Simplifies installation Gapless Hinges Makes Slols 4 Sizes Balsa 5-A-l/ E $250 ENNA SKYSHARKS Win Big Watch br FREE drawings trom AARD VIDEO PROGRAMS RENTBUY 1BASIC CONSTRUCTION FOR BEGINNERS IN RIC In 14954995 2BASIC FLIGHT TRAINING FOR BEGINNERS IN RIC 60 MIn 13954495 Prof easnal step step InstructIon Z 3 THE WORLD OF MODEL AVIATION 90 MIn 1395 4495 Expos StatIc DIsplays Scale AMA NATS much morn 4 OSHKOSH OVERVIEW 55 MIn 1295 3995 Workshops Static Displays Warbirds Airshows NEW PROGRAMS EACH MONTH-3 Day Rental- Program No 1 5 Days Ordering Information Send Check Money Order f full purchase price EACH program ordered Shipping Charge $450 covers both ways Illinois residents include 8 per Cent tax rental balance will refunded upon return programs Programs may rented wloption purchase Allow 10 days checks clear SEND ORDERS TO ACADEMY OF AVIATION RESEARCH & DEVELOPMENT PO Box 428139 3128740456 Chicago IL 6O642 FF DurationlMurpy Continued page 157 some time simple rig also fur nish pressurized fuel system featur well Other being bit messy times generally requiring electric starter exercise properly certainly functionalso bother suction tank arrangement answers could pri mary ones might OT Nostalgia Gas participants prefer authenticity standard suction tank plus use electric starters events often wise procedure older engines origi nally designed started such fash ion prolonged use starter cer tain vintage power plants could considerable internal damage engines parts maybe quite difficult expensive replace rate should have requirements custom fuel tanks following may some interest Most early ignition engines came complete integrally-attached fuel tank separate gas tank engine marketing box exceptions generally began racing engine types introduction early glow engine designs late Forties early Fifties time package cost sales competition factor omitting fuel tank engine sell ing price would provide engine manu facturer obvious cost-reduction lever cannot blame tankless-engine situation entirely industry though relatively new disciplines Control Line Radio Control would generally have fuel tank requirements differing Free Flight between selves though same engine used almost unchanged three cate gories fuel tank void soon ably filled variety suppliers anyway hobby shops carried different brands sizes shapes days also tried luck tin snips old-style soldering irons pieces cleaned-up tin cans more-or-less suc cess remember some efforts resulting configurations solder sheet metal weight may have lighter attempted hollow out brick instead built San De Hogan magazine plans Air Trails November 1949 wherein designer/author Denny Davis specified integral gas tank built fuselage reality automobile carburetor float day never attempted fabricate another fuel tank scratch carb floats made thin brass super light sealed tight came endless variety interesting shapes seemed could always find auto parts dealer would meet enginemounting specifications hollow brass carb floats still ing manufactured today usable variety available modern auto parts supply houses has dwindled considerably later carburetors use floats foam-filled float itself often some material other brass solderable So careful selection making conversion float fuel tank some immediate pre cautions floats pur chased completely sealed must punch initial hole some wherepreferable location intend install tube filler cap before touch soldering iron will relieve internal pressure caused heat soldering iron might cause float col lapse subsequently cools Always keep hole open somewhere fabri cating tank Another no-no should never use drill put holes float drill will leave minute par ticles brass inside float will nearly impossible remove flush outuntil start engine immediately go engine venturi Murphys Law brass walls very thin soft simple task punch required holes float sharp-pointed hand-held awl ice pick Simply push twist awl until hole ap propriate size Always use minimal amount good acid-core solder pencil-type soldering iron soldering gun Excess solder just excess weight use resin-core solder specifically recommended mak ing electrical connections will also require some sort mounting brackets tank externally-mounted motor mounts wooden engine bearers brackets should also made brass tween 010 016 thickness lightly soldered appropriate locations ade quately support tank pictured application McCoy 36 mounted Super Cyke motor mounts Note depression float might well have tailor-made provide clearance rear intake venturi tapered projection side float provides natural top front location fuel filler cap recently purchased float local auto parts store Sorenson No 13003B Sorenson Manufacturing Co Glasgow KY 42141 original engine manufacturer could have designed produced adequately-tailored fuel tank serve purpose provides attractive tank arrangement has drawn considerable comment fly ing field might wish investigate car buretor float option next time faced custom fuel-tank problem Model design revisions Ken Chamberlain Richmond BC Canada advises modelers likes build winning designs others get kitted published model magazines However would like see periodic updates significant design revisions variations well cer tain Ken has made fair request seldom kit model Free Flighters havent modified some extreme otheradded rear fins added auto sur faces lengthened fuselage chopped wing area whatever problem variations original design determining whether improvements deterrents 160 Model Aviation World Aerobatic Champion Leo sLaser Top Qeelily Epoxy Glaso Fuse loge Cowl l Ponto V Absuisses Loodog Gear PoomWbsg90SpesWlog Area 1440 sq Boise Finish Kit Ceopleto Stsp Stop lootroctiono wills Pletorso Welgbt 1620 lbs Esgise 2-4 HP 95 $1 99 PLUS SHIPPING Direct Sales Only leigh lit Ply Boise sod Poses Coostroctios 64 Wlsigopes Wig Area 640 Weight 6 6 lbs Suglee 45 Os 604 2 cycle S hr Assembly lime PLUS SHIPPING Dealer Inquiry Invited Jr Stick Outstanding Large Trainer $79 us Erect Only Manufacturers Quality Kits Send $100 complete catalog Turbo BD-4 Famous Homebuilt Light Plane What works Taft CA under Cate gory dead-calm conditions stance may hold true often comparatively windy contests South west Midwest big over-4Oo stabilizers West Coast gas jobs good example oversized stabs some times tend present stability problems under windy conditions other hand windy flying conditions often offset considerably incor poration rear fin smaller stabs tend better stabilize Power designs climbout Therefore although locale design originates often dictates some basic design trends modelers other parts country sooner later may attempt vari ous design changes original tailoring design individual local situations keeping Kens request might good spot mention probable design improvement 372-sq-in Nit Wit design published May issue magazine problem sort sneaked up mention maybe will make few friends later original wing incorporated x A-in diagonal bracing back main spar front trailing edge Covered silkspan adequately doped wing skin quite taut next immediate venture larger 535-sq-in version labeled Dim Wit copped Nats win subsequently Category III Class D Open AMA Record quite-successful model first area covered then-new Micafilm Coverite wing construction similar smaller model diagonals full-depth /6-sheet par tial ribs About time putting article together magazine decided strip silkspan Nit Wit wing getting rather fuel-soaked quite impressed performance Micafilm larger model did obvious used choice second covering smaller model However wing now flexed just enough cause model go over top under power reached certain velocity quickly built new wing full-depth diagonals la larger Dim Wit problem went away guess could say intend build Nit Wit some time other should incorporate full-depth diago nal ribs using plastic film coverings stated x diagonals would okay silk tissue silkspan might have already made flight line completed model plastic film covering allI would interested know have similar problems could least cry together same towel Doc Anderson expires Noted engine rework expert Doc Anderson Tole OH died unexpectedly home past spring Docs son Rol 1983 FAL Power Team member made trip together Australia previous September Doc particu larly faithful years support US FAI Power teams supplying engine reworks requested services ironic received reworked ST 23 quiet unassuming gentleman same day ad vised death finest engine craftsmen will sorely missed us appreciated love making model engines go faster Smile youre Candid Video about human interest story wind up months report Picture waning minutes Bluegrass Free Flight Champs Lexington KY July 8th normal meet-closing activities taking place such modelers packing gear preparation trip home CD Bill Barr scurrying make ready impending presentation trophies ever since gorgeous flying weather prevailed whole day Indiana modeler Moe Whittemore selected time slot break out newly-constructed Wakefield kit job proceeding prepare its maiden test flight moment mobile TV crew swooped catch contest action planned arrive earlier hadgotten sidetracked cover local fire Since movement Moes direction camera crew man-with-the-mike converged Moe continued ready model attempting respond answers typical staccato man-onthe-street one-liners buy things much cost grown men drive 300 miles just fly toy airplane Whats little piece rope thats stuck tail What does wife think Whats gooey stuff youre smearing rubberband going ready fly on Meanwhile fellow modeler bend ing other ear media-belea guered Moe attempting enlighten him personal all-day struggle get hiccups out identical kit job time TV star performer model wound / turns test hop thoroughly convinced soon innocent victim selfhumiliation evenings 10 oclock news model would surely crash ground few short seconds much hilarity 100000 viewers However immediately upon launch model spiraled up perfect pattern caught some light late-afternoon lift continued rise gracefully prop folded perfectly cue As Moe puffed downwind pursuit off-the-board miracle model inwardly relieved glance over shoulder indicated inquisitive newsman given up chase rather enjoyed event didnt really wish explain forgot ten light match little piece rope stuck tail Harry Murphy 3824 Oakwood Blvd Anderson IN 46011 responding advertisers mention read about Model Aviation November 1984 161 ROUSH MFG Canton OH 44707 Phone 216 4846810
Edition: Model Aviation - 1984/11
Page Numbers: 62, 63, 157, 160, 161
Free Flight Duration Harry Murphy GREETINGS feel should make ini tial comment two reference Bob Meusers name being displaced Contributing Editor Free Flight Dura tion First Bobs followers may rest fears because will return same old stand next issue However since Bob has formally request ed some relief cranking out column monthly basis boss has worked out plan accept report every-other-month schedule has subsequently lassoed writer tempt fill alternate monthly gaps plan also affords opportunity inject sprinkling little Midwest flavor column hope will prove interesting contrast Bobs fine reports doesnt work out Im certainly going toss blame back Bobs direction because understand culprit volunteered Publishers note CR W chore first place Anyway goes. Lets hear Y4A Much like Cox ifs syrlngeso says Jim Waiston simple flii-er-up procedure tori Cox TD 020 assures easy engine stifling makes competing 020 events pleasurable TD 049 dominates AA Free Flight competition its kid brother Cox TD 020 enjoys similar position such events AMA Payload Cargo SAMs 020 Replica now new NFFS-sponsored AA Nostalgia Gas event various events certainly indica tors popularity diminutive power plant current activity being particularly noticeable SAM Socie ty Antique Modelers event Should some reasons popularity 020 Replica associated oppor tunity compete miniaturized ver sions full-size vintage ignition designs would seem new NFFS Na tional Free Flight Society event covers early glow-plug-powered era might soon generate some renewed 020 sales catches under NFFS tutelage Since TD 020 has around approximately 25 years should safe assume gas-powered compet itors have least some semblance exposure AA competition have come establish some level participa tion events involved Personally am staunch supporter events number reasons opportunity afforded Junior age competition currently commercial Free Flight kits magazine 62 Model Aviation Central Ohio Free Flight Club COFFC mainstay Dick Smith displays pianform rear finned Wyvern COFFCs ill-Gas meet held WPAFB Miy 27 Power K&B 49cc 50% nitro model took second B Gas Cleveland-area FFer Charlie Jones rests few moments turf WPAFB Dayton OH after Jogging retrieve black-and-orange Max-A-Million 450 ST 23 power plans available SAM 020 Replica event other Free Flight Gas events combinedunfortunate true youngster cant afford mechanical fuel shutoff can always use simple eyedropper tank take hammer inexpensive Tomy Toy Robot little ingenuity utilize its innards pinchoff thin-wall surgical tubing means control engine run addition 020 should provide safest competition gas engine category youngsters weli us old folks criticism Cox TD 020 think might some stances could somewhat contrary start Fortunately normal reason 020 does draw fuel well small orifices venturi get clog gedparticularly engine run very often cleaned properly after running session starting Cox TD 020 has offered some difficulty past might interested sim ple preparation procedure recently caught attention Rick Pangells newsletter Max-Out publication Denver CO-based Magnificent Mountain Men However procedure actually credited Jim Walston resides much lower altitudes Smyrna GA Jim says uses following proce dure 020s before enginerunning session very positive results 1 Open needle valve several turns Disconnect fuel line NV Con nect empty syringe NV body short piece tubing Clear tiny jets venturi half-dozen blasts air syringe Reconnect fuel line set NV about two turns open 2 Fill tank full keep syringe connected tank filler tubes place finger over other tube Carefully force fuel through fuel line up NV Dont flood engine 3 Prime exhaust about two drops fuel connect battery Strike prop vertically down hori zontally use electric starter starter spring doesnt start run out prime after four strikes put ear exhaust port listen can hear plug crackling blow through exhaust clear excess fuel cylinder should start runs out prime quits open NV another 1A turn repeat prime etc Jim also recommends light 50% nitro fuel top performance addition claims has found pressurizing fuel system unnecessary reference 020 Replica event also advises keeping models flying weight four ounces less wing area 150- 165-sq-in range Continued page 157 Custom fuel tanks can made auto mobile carburetorfiosts Shopping fordiffer entaizesand shapescanslmpilfyiightwelght gas tank requirements OT Nostalgia Gas instaiiations isa McCoy36 ignition engine Super Cyclone metai mounts Roi Anderson waits good iift final round May 26 COFFC FAI Select Meet WPAFB logged 3rd place behind teammate Norm Poti upstart Hardy Brodersen Buck Zehr Super Cyclone-powered Fabrioted Playboy Sr Cabin Class C winner previous Mini SAM Champs Three Rivers Mi However popular twoday affair preempted year sponsors Michigan Antique Modelers could concen trate running big show Bong Field summerthe 84 SAM Champs butterflies served near three-view references point employed ma jor toy company two scale models Dracula bat conceived deemed too fragile manufac ture body Dracula figure foam Hollowing kept weight down cape formed flapping wings tail double bellcrank housed inside chest flapper concept sold another toy manufacturer price $50000 Two prototypes flapper built About 1970 Columbus Ohio asked come up full-size replica chicken ad agency pro moting country-style restaurant ac count week-long gala held year farm restaurant chain began attractions live chicken flying contest fake chicken put-on contest Ken Johnsons name en tered bonafide contestant day event bird smuggled area Eight large country-style mailboxes constructed hillside live chickens loaded back boxes signal front door would open chicken would fly out chicken wound five agency friends shielded view As whistle blew 100 spectators gasped seven chickens look-alike flew out over hill surprised announcer disqualified entry As rehearsed loudly disagreed distant sirens announced arrival sheriff disgruntled handcuffed Ken Johnson pushed squad car whisked off down road sirens screaming cuffs removed driven back area milling around through crowd some minutes later little old lady approached Dont try stuff again next year fellow stated obvi ously believing entire episode real Insects have seemed like great chal lenge flappers decided try like dragonfly seen linkage setup Baxters model flap per behind other could adapt ed end After sketches craft built result 12-in model blue dragonfly flies straight line about 30 feet doesnt sound like much distance try beating will see tough Another intriguing insect firefly Did know glow worm few creatures nature flap ping wings fixed wing fragile transparent flappers protected insect flight black wing cover cover has airfoil ellip tical tips As firefly prepares flight wing cover hinges forward side right angle body Got ta try soon oddity dis covered painting picture Still Using bid Fashioned IVing HingesGO will gain control efficiency eliminating gap between moveable nd stationary control surfaces will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 FT LENGTHS SMALL 118 ORPRICE 3 ft $250 LARGE 114 insect strobe light account picture appeared full-page ad Grimes Co Urbana OH Several outdoor Ornithopters late have thermal flights over 8 mm design used variation latest Indoor model difference being wood sizes tripled motor stick/tail boom solid balsa Ive lost two far Mile Square Park Fountain Valley CA thrill see flapper flying up away thermal latest series models canard design sent Bill Hannan French flapper unique because fea tures three-member bellcrank arrange ment apparatus moves wings tail independently As wings go down tail goes up similar angle-of-attack changer used model years ago Paul Del Gatto first Ornithopter type flew right off board flapper wings go up tail goes up setup worked better 20-in version canard flies very smoothly its stable Someone dubbed Manta Ray An Ornithopter builders list must clude Leonardo DiVinci Frenchman Jobert 1872 Dr Huneau de Villeneuve Penaudalong modern-day builders like PH Spenser Harry Graulich Carl Goldberg Ed Lidgard Larry Conover Ron Ganser Edmond Smith Walter David Erbach Bill Watson Jerry Murphy Bob White Bob Meuser Lew Gitlow Al Rohbaugh Jean Andrews Walt Kulzer Only surface has scratched flapping-wing aircraft have completed 135 machines written plan build least 200 Some time ago decided flaps flies its Ornithopter recent model has vertical EASY TO INSTALL 42 3 CUT 1/4 DEEP SLIT ALONG TIf FLKL LENGTH THE MArING NAqEACES MISTALL NM/GEUSE STRAIGHT PIN TO MAKE SM4LL HOLE EVANY RICH OR SODR/P CYANOACRYLATE GLLF IN HOLESCAPLLARY ACDON MILL CARRY GLUE ALONG ENTIRE JDNT FOR ADDITONAL SEaiRIT1 MISERT SMALL PIN EVERY FEW ARCHES CUT OFF FLUSH F1LL AND SAND AS AEEDED FOR FIR/SHING Send Free info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 flappers similar fishs side fins Guess what flies worldwide club Ornithoptologists begun last year can join send ing name address have two goals 1 have Ornithopters recog nized fine art kinetic sculpture Recently 25 flappers featured one-man art show month Los Angeles Mission College 2 build fly full-size man-carrying nithopter Two friends both aeronautical engineers have offered help quest platform variation Indoor design Note would like get plans Ornithopter model check sources Indoor Model Supply ex cellent Indoor kit Box C Garberville CA 95440 Micro-X-Models two plans K Johnson PO Box 1063 Lorain OH 44055 Send comments Ken Johnson 16052 Tulsa St Granada Hills CA 91344 FF DurationlMurpy Continued page 63 wing built strong enough stand motor bike retrieving thinks its very good event should taken seriously Well James now know get 020 started certainly shall Custom Fuel Tanks Old-Timer Nostalgia Gas movements have ten dency force rediscovery number lost arts may have put aside Free Flighters some years Such item art fabricating custom fuel tanks variety engines applications So needs Pacifier tanks have standard competition FF Continued page 160 November1984 157 AGAPLESS HiNGE SLOTTER Simplifies installation Gapless Hinges Makes Slols 4 Sizes Balsa 5-A-l/ E $250 ENNA SKYSHARKS Win Big Watch br FREE drawings trom AARD VIDEO PROGRAMS RENTBUY 1BASIC CONSTRUCTION FOR BEGINNERS IN RIC In 14954995 2BASIC FLIGHT TRAINING FOR BEGINNERS IN RIC 60 MIn 13954495 Prof easnal step step InstructIon Z 3 THE WORLD OF MODEL AVIATION 90 MIn 1395 4495 Expos StatIc DIsplays Scale AMA NATS much morn 4 OSHKOSH OVERVIEW 55 MIn 1295 3995 Workshops Static Displays Warbirds Airshows NEW PROGRAMS EACH MONTH-3 Day Rental- Program No 1 5 Days Ordering Information Send Check Money Order f full purchase price EACH program ordered Shipping Charge $450 covers both ways Illinois residents include 8 per Cent tax rental balance will refunded upon return programs Programs may rented wloption purchase Allow 10 days checks clear SEND ORDERS TO ACADEMY OF AVIATION RESEARCH & DEVELOPMENT PO Box 428139 3128740456 Chicago IL 6O642 FF DurationlMurpy Continued page 157 some time simple rig also fur nish pressurized fuel system featur well Other being bit messy times generally requiring electric starter exercise properly certainly functionalso bother suction tank arrangement answers could pri mary ones might OT Nostalgia Gas participants prefer authenticity standard suction tank plus use electric starters events often wise procedure older engines origi nally designed started such fash ion prolonged use starter cer tain vintage power plants could considerable internal damage engines parts maybe quite difficult expensive replace rate should have requirements custom fuel tanks following may some interest Most early ignition engines came complete integrally-attached fuel tank separate gas tank engine marketing box exceptions generally began racing engine types introduction early glow engine designs late Forties early Fifties time package cost sales competition factor omitting fuel tank engine sell ing price would provide engine manu facturer obvious cost-reduction lever cannot blame tankless-engine situation entirely industry though relatively new disciplines Control Line Radio Control would generally have fuel tank requirements differing Free Flight between selves though same engine used almost unchanged three cate gories fuel tank void soon ably filled variety suppliers anyway hobby shops carried different brands sizes shapes days also tried luck tin snips old-style soldering irons pieces cleaned-up tin cans more-or-less suc cess remember some efforts resulting configurations solder sheet metal weight may have lighter attempted hollow out brick instead built San De Hogan magazine plans Air Trails November 1949 wherein designer/author Denny Davis specified integral gas tank built fuselage reality automobile carburetor float day never attempted fabricate another fuel tank scratch carb floats made thin brass super light sealed tight came endless variety interesting shapes seemed could always find auto parts dealer would meet enginemounting specifications hollow brass carb floats still ing manufactured today usable variety available modern auto parts supply houses has dwindled considerably later carburetors use floats foam-filled float itself often some material other brass solderable So careful selection making conversion float fuel tank some immediate pre cautions floats pur chased completely sealed must punch initial hole some wherepreferable location intend install tube filler cap before touch soldering iron will relieve internal pressure caused heat soldering iron might cause float col lapse subsequently cools Always keep hole open somewhere fabri cating tank Another no-no should never use drill put holes float drill will leave minute par ticles brass inside float will nearly impossible remove flush outuntil start engine immediately go engine venturi Murphys Law brass walls very thin soft simple task punch required holes float sharp-pointed hand-held awl ice pick Simply push twist awl until hole ap propriate size Always use minimal amount good acid-core solder pencil-type soldering iron soldering gun Excess solder just excess weight use resin-core solder specifically recommended mak ing electrical connections will also require some sort mounting brackets tank externally-mounted motor mounts wooden engine bearers brackets should also made brass tween 010 016 thickness lightly soldered appropriate locations ade quately support tank pictured application McCoy 36 mounted Super Cyke motor mounts Note depression float might well have tailor-made provide clearance rear intake venturi tapered projection side float provides natural top front location fuel filler cap recently purchased float local auto parts store Sorenson No 13003B Sorenson Manufacturing Co Glasgow KY 42141 original engine manufacturer could have designed produced adequately-tailored fuel tank serve purpose provides attractive tank arrangement has drawn considerable comment fly ing field might wish investigate car buretor float option next time faced custom fuel-tank problem Model design revisions Ken Chamberlain Richmond BC Canada advises modelers likes build winning designs others get kitted published model magazines However would like see periodic updates significant design revisions variations well cer tain Ken has made fair request seldom kit model Free Flighters havent modified some extreme otheradded rear fins added auto sur faces lengthened fuselage chopped wing area whatever problem variations original design determining whether improvements deterrents 160 Model Aviation World Aerobatic Champion Leo sLaser Top Qeelily Epoxy Glaso Fuse loge Cowl l Ponto V Absuisses Loodog Gear PoomWbsg90SpesWlog Area 1440 sq Boise Finish Kit Ceopleto Stsp Stop lootroctiono wills Pletorso Welgbt 1620 lbs Esgise 2-4 HP 95 $1 99 PLUS SHIPPING Direct Sales Only leigh lit Ply Boise sod Poses Coostroctios 64 Wlsigopes Wig Area 640 Weight 6 6 lbs Suglee 45 Os 604 2 cycle S hr Assembly lime PLUS SHIPPING Dealer Inquiry Invited Jr Stick Outstanding Large Trainer $79 us Erect Only Manufacturers Quality Kits Send $100 complete catalog Turbo BD-4 Famous Homebuilt Light Plane What works Taft CA under Cate gory dead-calm conditions stance may hold true often comparatively windy contests South west Midwest big over-4Oo stabilizers West Coast gas jobs good example oversized stabs some times tend present stability problems under windy conditions other hand windy flying conditions often offset considerably incor poration rear fin smaller stabs tend better stabilize Power designs climbout Therefore although locale design originates often dictates some basic design trends modelers other parts country sooner later may attempt vari ous design changes original tailoring design individual local situations keeping Kens request might good spot mention probable design improvement 372-sq-in Nit Wit design published May issue magazine problem sort sneaked up mention maybe will make few friends later original wing incorporated x A-in diagonal bracing back main spar front trailing edge Covered silkspan adequately doped wing skin quite taut next immediate venture larger 535-sq-in version labeled Dim Wit copped Nats win subsequently Category III Class D Open AMA Record quite-successful model first area covered then-new Micafilm Coverite wing construction similar smaller model diagonals full-depth /6-sheet par tial ribs About time putting article together magazine decided strip silkspan Nit Wit wing getting rather fuel-soaked quite impressed performance Micafilm larger model did obvious used choice second covering smaller model However wing now flexed just enough cause model go over top under power reached certain velocity quickly built new wing full-depth diagonals la larger Dim Wit problem went away guess could say intend build Nit Wit some time other should incorporate full-depth diago nal ribs using plastic film coverings stated x diagonals would okay silk tissue silkspan might have already made flight line completed model plastic film covering allI would interested know have similar problems could least cry together same towel Doc Anderson expires Noted engine rework expert Doc Anderson Tole OH died unexpectedly home past spring Docs son Rol 1983 FAL Power Team member made trip together Australia previous September Doc particu larly faithful years support US FAI Power teams supplying engine reworks requested services ironic received reworked ST 23 quiet unassuming gentleman same day ad vised death finest engine craftsmen will sorely missed us appreciated love making model engines go faster Smile youre Candid Video about human interest story wind up months report Picture waning minutes Bluegrass Free Flight Champs Lexington KY July 8th normal meet-closing activities taking place such modelers packing gear preparation trip home CD Bill Barr scurrying make ready impending presentation trophies ever since gorgeous flying weather prevailed whole day Indiana modeler Moe Whittemore selected time slot break out newly-constructed Wakefield kit job proceeding prepare its maiden test flight moment mobile TV crew swooped catch contest action planned arrive earlier hadgotten sidetracked cover local fire Since movement Moes direction camera crew man-with-the-mike converged Moe continued ready model attempting respond answers typical staccato man-onthe-street one-liners buy things much cost grown men drive 300 miles just fly toy airplane Whats little piece rope thats stuck tail What does wife think Whats gooey stuff youre smearing rubberband going ready fly on Meanwhile fellow modeler bend ing other ear media-belea guered Moe attempting enlighten him personal all-day struggle get hiccups out identical kit job time TV star performer model wound / turns test hop thoroughly convinced soon innocent victim selfhumiliation evenings 10 oclock news model would surely crash ground few short seconds much hilarity 100000 viewers However immediately upon launch model spiraled up perfect pattern caught some light late-afternoon lift continued rise gracefully prop folded perfectly cue As Moe puffed downwind pursuit off-the-board miracle model inwardly relieved glance over shoulder indicated inquisitive newsman given up chase rather enjoyed event didnt really wish explain forgot ten light match little piece rope stuck tail Harry Murphy 3824 Oakwood Blvd Anderson IN 46011 responding advertisers mention read about Model Aviation November 1984 161 ROUSH MFG Canton OH 44707 Phone 216 4846810
Edition: Model Aviation - 1984/11
Page Numbers: 62, 63, 157, 160, 161
Free Flight Duration Harry Murphy GREETINGS feel should make ini tial comment two reference Bob Meusers name being displaced Contributing Editor Free Flight Dura tion First Bobs followers may rest fears because will return same old stand next issue However since Bob has formally request ed some relief cranking out column monthly basis boss has worked out plan accept report every-other-month schedule has subsequently lassoed writer tempt fill alternate monthly gaps plan also affords opportunity inject sprinkling little Midwest flavor column hope will prove interesting contrast Bobs fine reports doesnt work out Im certainly going toss blame back Bobs direction because understand culprit volunteered Publishers note CR W chore first place Anyway goes. Lets hear Y4A Much like Cox ifs syrlngeso says Jim Waiston simple flii-er-up procedure tori Cox TD 020 assures easy engine stifling makes competing 020 events pleasurable TD 049 dominates AA Free Flight competition its kid brother Cox TD 020 enjoys similar position such events AMA Payload Cargo SAMs 020 Replica now new NFFS-sponsored AA Nostalgia Gas event various events certainly indica tors popularity diminutive power plant current activity being particularly noticeable SAM Socie ty Antique Modelers event Should some reasons popularity 020 Replica associated oppor tunity compete miniaturized ver sions full-size vintage ignition designs would seem new NFFS Na tional Free Flight Society event covers early glow-plug-powered era might soon generate some renewed 020 sales catches under NFFS tutelage Since TD 020 has around approximately 25 years should safe assume gas-powered compet itors have least some semblance exposure AA competition have come establish some level participa tion events involved Personally am staunch supporter events number reasons opportunity afforded Junior age competition currently commercial Free Flight kits magazine 62 Model Aviation Central Ohio Free Flight Club COFFC mainstay Dick Smith displays pianform rear finned Wyvern COFFCs ill-Gas meet held WPAFB Miy 27 Power K&B 49cc 50% nitro model took second B Gas Cleveland-area FFer Charlie Jones rests few moments turf WPAFB Dayton OH after Jogging retrieve black-and-orange Max-A-Million 450 ST 23 power plans available SAM 020 Replica event other Free Flight Gas events combinedunfortunate true youngster cant afford mechanical fuel shutoff can always use simple eyedropper tank take hammer inexpensive Tomy Toy Robot little ingenuity utilize its innards pinchoff thin-wall surgical tubing means control engine run addition 020 should provide safest competition gas engine category youngsters weli us old folks criticism Cox TD 020 think might some stances could somewhat contrary start Fortunately normal reason 020 does draw fuel well small orifices venturi get clog gedparticularly engine run very often cleaned properly after running session starting Cox TD 020 has offered some difficulty past might interested sim ple preparation procedure recently caught attention Rick Pangells newsletter Max-Out publication Denver CO-based Magnificent Mountain Men However procedure actually credited Jim Walston resides much lower altitudes Smyrna GA Jim says uses following proce dure 020s before enginerunning session very positive results 1 Open needle valve several turns Disconnect fuel line NV Con nect empty syringe NV body short piece tubing Clear tiny jets venturi half-dozen blasts air syringe Reconnect fuel line set NV about two turns open 2 Fill tank full keep syringe connected tank filler tubes place finger over other tube Carefully force fuel through fuel line up NV Dont flood engine 3 Prime exhaust about two drops fuel connect battery Strike prop vertically down hori zontally use electric starter starter spring doesnt start run out prime after four strikes put ear exhaust port listen can hear plug crackling blow through exhaust clear excess fuel cylinder should start runs out prime quits open NV another 1A turn repeat prime etc Jim also recommends light 50% nitro fuel top performance addition claims has found pressurizing fuel system unnecessary reference 020 Replica event also advises keeping models flying weight four ounces less wing area 150- 165-sq-in range Continued page 157 Custom fuel tanks can made auto mobile carburetorfiosts Shopping fordiffer entaizesand shapescanslmpilfyiightwelght gas tank requirements OT Nostalgia Gas instaiiations isa McCoy36 ignition engine Super Cyclone metai mounts Roi Anderson waits good iift final round May 26 COFFC FAI Select Meet WPAFB logged 3rd place behind teammate Norm Poti upstart Hardy Brodersen Buck Zehr Super Cyclone-powered Fabrioted Playboy Sr Cabin Class C winner previous Mini SAM Champs Three Rivers Mi However popular twoday affair preempted year sponsors Michigan Antique Modelers could concen trate running big show Bong Field summerthe 84 SAM Champs butterflies served near three-view references point employed ma jor toy company two scale models Dracula bat conceived deemed too fragile manufac ture body Dracula figure foam Hollowing kept weight down cape formed flapping wings tail double bellcrank housed inside chest flapper concept sold another toy manufacturer price $50000 Two prototypes flapper built About 1970 Columbus Ohio asked come up full-size replica chicken ad agency pro moting country-style restaurant ac count week-long gala held year farm restaurant chain began attractions live chicken flying contest fake chicken put-on contest Ken Johnsons name en tered bonafide contestant day event bird smuggled area Eight large country-style mailboxes constructed hillside live chickens loaded back boxes signal front door would open chicken would fly out chicken wound five agency friends shielded view As whistle blew 100 spectators gasped seven chickens look-alike flew out over hill surprised announcer disqualified entry As rehearsed loudly disagreed distant sirens announced arrival sheriff disgruntled handcuffed Ken Johnson pushed squad car whisked off down road sirens screaming cuffs removed driven back area milling around through crowd some minutes later little old lady approached Dont try stuff again next year fellow stated obvi ously believing entire episode real Insects have seemed like great chal lenge flappers decided try like dragonfly seen linkage setup Baxters model flap per behind other could adapt ed end After sketches craft built result 12-in model blue dragonfly flies straight line about 30 feet doesnt sound like much distance try beating will see tough Another intriguing insect firefly Did know glow worm few creatures nature flap ping wings fixed wing fragile transparent flappers protected insect flight black wing cover cover has airfoil ellip tical tips As firefly prepares flight wing cover hinges forward side right angle body Got ta try soon oddity dis covered painting picture Still Using bid Fashioned IVing HingesGO will gain control efficiency eliminating gap between moveable nd stationary control surfaces will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 FT LENGTHS SMALL 118 ORPRICE 3 ft $250 LARGE 114 insect strobe light account picture appeared full-page ad Grimes Co Urbana OH Several outdoor Ornithopters late have thermal flights over 8 mm design used variation latest Indoor model difference being wood sizes tripled motor stick/tail boom solid balsa Ive lost two far Mile Square Park Fountain Valley CA thrill see flapper flying up away thermal latest series models canard design sent Bill Hannan French flapper unique because fea tures three-member bellcrank arrange ment apparatus moves wings tail independently As wings go down tail goes up similar angle-of-attack changer used model years ago Paul Del Gatto first Ornithopter type flew right off board flapper wings go up tail goes up setup worked better 20-in version canard flies very smoothly its stable Someone dubbed Manta Ray An Ornithopter builders list must clude Leonardo DiVinci Frenchman Jobert 1872 Dr Huneau de Villeneuve Penaudalong modern-day builders like PH Spenser Harry Graulich Carl Goldberg Ed Lidgard Larry Conover Ron Ganser Edmond Smith Walter David Erbach Bill Watson Jerry Murphy Bob White Bob Meuser Lew Gitlow Al Rohbaugh Jean Andrews Walt Kulzer Only surface has scratched flapping-wing aircraft have completed 135 machines written plan build least 200 Some time ago decided flaps flies its Ornithopter recent model has vertical EASY TO INSTALL 42 3 CUT 1/4 DEEP SLIT ALONG TIf FLKL LENGTH THE MArING NAqEACES MISTALL NM/GEUSE STRAIGHT PIN TO MAKE SM4LL HOLE EVANY RICH OR SODR/P CYANOACRYLATE GLLF IN HOLESCAPLLARY ACDON MILL CARRY GLUE ALONG ENTIRE JDNT FOR ADDITONAL SEaiRIT1 MISERT SMALL PIN EVERY FEW ARCHES CUT OFF FLUSH F1LL AND SAND AS AEEDED FOR FIR/SHING Send Free info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 flappers similar fishs side fins Guess what flies worldwide club Ornithoptologists begun last year can join send ing name address have two goals 1 have Ornithopters recog nized fine art kinetic sculpture Recently 25 flappers featured one-man art show month Los Angeles Mission College 2 build fly full-size man-carrying nithopter Two friends both aeronautical engineers have offered help quest platform variation Indoor design Note would like get plans Ornithopter model check sources Indoor Model Supply ex cellent Indoor kit Box C Garberville CA 95440 Micro-X-Models two plans K Johnson PO Box 1063 Lorain OH 44055 Send comments Ken Johnson 16052 Tulsa St Granada Hills CA 91344 FF DurationlMurpy Continued page 63 wing built strong enough stand motor bike retrieving thinks its very good event should taken seriously Well James now know get 020 started certainly shall Custom Fuel Tanks Old-Timer Nostalgia Gas movements have ten dency force rediscovery number lost arts may have put aside Free Flighters some years Such item art fabricating custom fuel tanks variety engines applications So needs Pacifier tanks have standard competition FF Continued page 160 November1984 157 AGAPLESS HiNGE SLOTTER Simplifies installation Gapless Hinges Makes Slols 4 Sizes Balsa 5-A-l/ E $250 ENNA SKYSHARKS Win Big Watch br FREE drawings trom AARD VIDEO PROGRAMS RENTBUY 1BASIC CONSTRUCTION FOR BEGINNERS IN RIC In 14954995 2BASIC FLIGHT TRAINING FOR BEGINNERS IN RIC 60 MIn 13954495 Prof easnal step step InstructIon Z 3 THE WORLD OF MODEL AVIATION 90 MIn 1395 4495 Expos StatIc DIsplays Scale AMA NATS much morn 4 OSHKOSH OVERVIEW 55 MIn 1295 3995 Workshops Static Displays Warbirds Airshows NEW PROGRAMS EACH MONTH-3 Day Rental- Program No 1 5 Days Ordering Information Send Check Money Order f full purchase price EACH program ordered Shipping Charge $450 covers both ways Illinois residents include 8 per Cent tax rental balance will refunded upon return programs Programs may rented wloption purchase Allow 10 days checks clear SEND ORDERS TO ACADEMY OF AVIATION RESEARCH & DEVELOPMENT PO Box 428139 3128740456 Chicago IL 6O642 FF DurationlMurpy Continued page 157 some time simple rig also fur nish pressurized fuel system featur well Other being bit messy times generally requiring electric starter exercise properly certainly functionalso bother suction tank arrangement answers could pri mary ones might OT Nostalgia Gas participants prefer authenticity standard suction tank plus use electric starters events often wise procedure older engines origi nally designed started such fash ion prolonged use starter cer tain vintage power plants could considerable internal damage engines parts maybe quite difficult expensive replace rate should have requirements custom fuel tanks following may some interest Most early ignition engines came complete integrally-attached fuel tank separate gas tank engine marketing box exceptions generally began racing engine types introduction early glow engine designs late Forties early Fifties time package cost sales competition factor omitting fuel tank engine sell ing price would provide engine manu facturer obvious cost-reduction lever cannot blame tankless-engine situation entirely industry though relatively new disciplines Control Line Radio Control would generally have fuel tank requirements differing Free Flight between selves though same engine used almost unchanged three cate gories fuel tank void soon ably filled variety suppliers anyway hobby shops carried different brands sizes shapes days also tried luck tin snips old-style soldering irons pieces cleaned-up tin cans more-or-less suc cess remember some efforts resulting configurations solder sheet metal weight may have lighter attempted hollow out brick instead built San De Hogan magazine plans Air Trails November 1949 wherein designer/author Denny Davis specified integral gas tank built fuselage reality automobile carburetor float day never attempted fabricate another fuel tank scratch carb floats made thin brass super light sealed tight came endless variety interesting shapes seemed could always find auto parts dealer would meet enginemounting specifications hollow brass carb floats still ing manufactured today usable variety available modern auto parts supply houses has dwindled considerably later carburetors use floats foam-filled float itself often some material other brass solderable So careful selection making conversion float fuel tank some immediate pre cautions floats pur chased completely sealed must punch initial hole some wherepreferable location intend install tube filler cap before touch soldering iron will relieve internal pressure caused heat soldering iron might cause float col lapse subsequently cools Always keep hole open somewhere fabri cating tank Another no-no should never use drill put holes float drill will leave minute par ticles brass inside float will nearly impossible remove flush outuntil start engine immediately go engine venturi Murphys Law brass walls very thin soft simple task punch required holes float sharp-pointed hand-held awl ice pick Simply push twist awl until hole ap propriate size Always use minimal amount good acid-core solder pencil-type soldering iron soldering gun Excess solder just excess weight use resin-core solder specifically recommended mak ing electrical connections will also require some sort mounting brackets tank externally-mounted motor mounts wooden engine bearers brackets should also made brass tween 010 016 thickness lightly soldered appropriate locations ade quately support tank pictured application McCoy 36 mounted Super Cyke motor mounts Note depression float might well have tailor-made provide clearance rear intake venturi tapered projection side float provides natural top front location fuel filler cap recently purchased float local auto parts store Sorenson No 13003B Sorenson Manufacturing Co Glasgow KY 42141 original engine manufacturer could have designed produced adequately-tailored fuel tank serve purpose provides attractive tank arrangement has drawn considerable comment fly ing field might wish investigate car buretor float option next time faced custom fuel-tank problem Model design revisions Ken Chamberlain Richmond BC Canada advises modelers likes build winning designs others get kitted published model magazines However would like see periodic updates significant design revisions variations well cer tain Ken has made fair request seldom kit model Free Flighters havent modified some extreme otheradded rear fins added auto sur faces lengthened fuselage chopped wing area whatever problem variations original design determining whether improvements deterrents 160 Model Aviation World Aerobatic Champion Leo sLaser Top Qeelily Epoxy Glaso Fuse loge Cowl l Ponto V Absuisses Loodog Gear PoomWbsg90SpesWlog Area 1440 sq Boise Finish Kit Ceopleto Stsp Stop lootroctiono wills Pletorso Welgbt 1620 lbs Esgise 2-4 HP 95 $1 99 PLUS SHIPPING Direct Sales Only leigh lit Ply Boise sod Poses Coostroctios 64 Wlsigopes Wig Area 640 Weight 6 6 lbs Suglee 45 Os 604 2 cycle S hr Assembly lime PLUS SHIPPING Dealer Inquiry Invited Jr Stick Outstanding Large Trainer $79 us Erect Only Manufacturers Quality Kits Send $100 complete catalog Turbo BD-4 Famous Homebuilt Light Plane What works Taft CA under Cate gory dead-calm conditions stance may hold true often comparatively windy contests South west Midwest big over-4Oo stabilizers West Coast gas jobs good example oversized stabs some times tend present stability problems under windy conditions other hand windy flying conditions often offset considerably incor poration rear fin smaller stabs tend better stabilize Power designs climbout Therefore although locale design originates often dictates some basic design trends modelers other parts country sooner later may attempt vari ous design changes original tailoring design individual local situations keeping Kens request might good spot mention probable design improvement 372-sq-in Nit Wit design published May issue magazine problem sort sneaked up mention maybe will make few friends later original wing incorporated x A-in diagonal bracing back main spar front trailing edge Covered silkspan adequately doped wing skin quite taut next immediate venture larger 535-sq-in version labeled Dim Wit copped Nats win subsequently Category III Class D Open AMA Record quite-successful model first area covered then-new Micafilm Coverite wing construction similar smaller model diagonals full-depth /6-sheet par tial ribs About time putting article together magazine decided strip silkspan Nit Wit wing getting rather fuel-soaked quite impressed performance Micafilm larger model did obvious used choice second covering smaller model However wing now flexed just enough cause model go over top under power reached certain velocity quickly built new wing full-depth diagonals la larger Dim Wit problem went away guess could say intend build Nit Wit some time other should incorporate full-depth diago nal ribs using plastic film coverings stated x diagonals would okay silk tissue silkspan might have already made flight line completed model plastic film covering allI would interested know have similar problems could least cry together same towel Doc Anderson expires Noted engine rework expert Doc Anderson Tole OH died unexpectedly home past spring Docs son Rol 1983 FAL Power Team member made trip together Australia previous September Doc particu larly faithful years support US FAI Power teams supplying engine reworks requested services ironic received reworked ST 23 quiet unassuming gentleman same day ad vised death finest engine craftsmen will sorely missed us appreciated love making model engines go faster Smile youre Candid Video about human interest story wind up months report Picture waning minutes Bluegrass Free Flight Champs Lexington KY July 8th normal meet-closing activities taking place such modelers packing gear preparation trip home CD Bill Barr scurrying make ready impending presentation trophies ever since gorgeous flying weather prevailed whole day Indiana modeler Moe Whittemore selected time slot break out newly-constructed Wakefield kit job proceeding prepare its maiden test flight moment mobile TV crew swooped catch contest action planned arrive earlier hadgotten sidetracked cover local fire Since movement Moes direction camera crew man-with-the-mike converged Moe continued ready model attempting respond answers typical staccato man-onthe-street one-liners buy things much cost grown men drive 300 miles just fly toy airplane Whats little piece rope thats stuck tail What does wife think Whats gooey stuff youre smearing rubberband going ready fly on Meanwhile fellow modeler bend ing other ear media-belea guered Moe attempting enlighten him personal all-day struggle get hiccups out identical kit job time TV star performer model wound / turns test hop thoroughly convinced soon innocent victim selfhumiliation evenings 10 oclock news model would surely crash ground few short seconds much hilarity 100000 viewers However immediately upon launch model spiraled up perfect pattern caught some light late-afternoon lift continued rise gracefully prop folded perfectly cue As Moe puffed downwind pursuit off-the-board miracle model inwardly relieved glance over shoulder indicated inquisitive newsman given up chase rather enjoyed event didnt really wish explain forgot ten light match little piece rope stuck tail Harry Murphy 3824 Oakwood Blvd Anderson IN 46011 responding advertisers mention read about Model Aviation November 1984 161 ROUSH MFG Canton OH 44707 Phone 216 4846810
Edition: Model Aviation - 1984/11
Page Numbers: 62, 63, 157, 160, 161
Free Flight Duration Harry Murphy GREETINGS feel should make ini tial comment two reference Bob Meusers name being displaced Contributing Editor Free Flight Dura tion First Bobs followers may rest fears because will return same old stand next issue However since Bob has formally request ed some relief cranking out column monthly basis boss has worked out plan accept report every-other-month schedule has subsequently lassoed writer tempt fill alternate monthly gaps plan also affords opportunity inject sprinkling little Midwest flavor column hope will prove interesting contrast Bobs fine reports doesnt work out Im certainly going toss blame back Bobs direction because understand culprit volunteered Publishers note CR W chore first place Anyway goes. Lets hear Y4A Much like Cox ifs syrlngeso says Jim Waiston simple flii-er-up procedure tori Cox TD 020 assures easy engine stifling makes competing 020 events pleasurable TD 049 dominates AA Free Flight competition its kid brother Cox TD 020 enjoys similar position such events AMA Payload Cargo SAMs 020 Replica now new NFFS-sponsored AA Nostalgia Gas event various events certainly indica tors popularity diminutive power plant current activity being particularly noticeable SAM Socie ty Antique Modelers event Should some reasons popularity 020 Replica associated oppor tunity compete miniaturized ver sions full-size vintage ignition designs would seem new NFFS Na tional Free Flight Society event covers early glow-plug-powered era might soon generate some renewed 020 sales catches under NFFS tutelage Since TD 020 has around approximately 25 years should safe assume gas-powered compet itors have least some semblance exposure AA competition have come establish some level participa tion events involved Personally am staunch supporter events number reasons opportunity afforded Junior age competition currently commercial Free Flight kits magazine 62 Model Aviation Central Ohio Free Flight Club COFFC mainstay Dick Smith displays pianform rear finned Wyvern COFFCs ill-Gas meet held WPAFB Miy 27 Power K&B 49cc 50% nitro model took second B Gas Cleveland-area FFer Charlie Jones rests few moments turf WPAFB Dayton OH after Jogging retrieve black-and-orange Max-A-Million 450 ST 23 power plans available SAM 020 Replica event other Free Flight Gas events combinedunfortunate true youngster cant afford mechanical fuel shutoff can always use simple eyedropper tank take hammer inexpensive Tomy Toy Robot little ingenuity utilize its innards pinchoff thin-wall surgical tubing means control engine run addition 020 should provide safest competition gas engine category youngsters weli us old folks criticism Cox TD 020 think might some stances could somewhat contrary start Fortunately normal reason 020 does draw fuel well small orifices venturi get clog gedparticularly engine run very often cleaned properly after running session starting Cox TD 020 has offered some difficulty past might interested sim ple preparation procedure recently caught attention Rick Pangells newsletter Max-Out publication Denver CO-based Magnificent Mountain Men However procedure actually credited Jim Walston resides much lower altitudes Smyrna GA Jim says uses following proce dure 020s before enginerunning session very positive results 1 Open needle valve several turns Disconnect fuel line NV Con nect empty syringe NV body short piece tubing Clear tiny jets venturi half-dozen blasts air syringe Reconnect fuel line set NV about two turns open 2 Fill tank full keep syringe connected tank filler tubes place finger over other tube Carefully force fuel through fuel line up NV Dont flood engine 3 Prime exhaust about two drops fuel connect battery Strike prop vertically down hori zontally use electric starter starter spring doesnt start run out prime after four strikes put ear exhaust port listen can hear plug crackling blow through exhaust clear excess fuel cylinder should start runs out prime quits open NV another 1A turn repeat prime etc Jim also recommends light 50% nitro fuel top performance addition claims has found pressurizing fuel system unnecessary reference 020 Replica event also advises keeping models flying weight four ounces less wing area 150- 165-sq-in range Continued page 157 Custom fuel tanks can made auto mobile carburetorfiosts Shopping fordiffer entaizesand shapescanslmpilfyiightwelght gas tank requirements OT Nostalgia Gas instaiiations isa McCoy36 ignition engine Super Cyclone metai mounts Roi Anderson waits good iift final round May 26 COFFC FAI Select Meet WPAFB logged 3rd place behind teammate Norm Poti upstart Hardy Brodersen Buck Zehr Super Cyclone-powered Fabrioted Playboy Sr Cabin Class C winner previous Mini SAM Champs Three Rivers Mi However popular twoday affair preempted year sponsors Michigan Antique Modelers could concen trate running big show Bong Field summerthe 84 SAM Champs butterflies served near three-view references point employed ma jor toy company two scale models Dracula bat conceived deemed too fragile manufac ture body Dracula figure foam Hollowing kept weight down cape formed flapping wings tail double bellcrank housed inside chest flapper concept sold another toy manufacturer price $50000 Two prototypes flapper built About 1970 Columbus Ohio asked come up full-size replica chicken ad agency pro moting country-style restaurant ac count week-long gala held year farm restaurant chain began attractions live chicken flying contest fake chicken put-on contest Ken Johnsons name en tered bonafide contestant day event bird smuggled area Eight large country-style mailboxes constructed hillside live chickens loaded back boxes signal front door would open chicken would fly out chicken wound five agency friends shielded view As whistle blew 100 spectators gasped seven chickens look-alike flew out over hill surprised announcer disqualified entry As rehearsed loudly disagreed distant sirens announced arrival sheriff disgruntled handcuffed Ken Johnson pushed squad car whisked off down road sirens screaming cuffs removed driven back area milling around through crowd some minutes later little old lady approached Dont try stuff again next year fellow stated obvi ously believing entire episode real Insects have seemed like great chal lenge flappers decided try like dragonfly seen linkage setup Baxters model flap per behind other could adapt ed end After sketches craft built result 12-in model blue dragonfly flies straight line about 30 feet doesnt sound like much distance try beating will see tough Another intriguing insect firefly Did know glow worm few creatures nature flap ping wings fixed wing fragile transparent flappers protected insect flight black wing cover cover has airfoil ellip tical tips As firefly prepares flight wing cover hinges forward side right angle body Got ta try soon oddity dis covered painting picture Still Using bid Fashioned IVing HingesGO will gain control efficiency eliminating gap between moveable nd stationary control surfaces will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 FT LENGTHS SMALL 118 ORPRICE 3 ft $250 LARGE 114 insect strobe light account picture appeared full-page ad Grimes Co Urbana OH Several outdoor Ornithopters late have thermal flights over 8 mm design used variation latest Indoor model difference being wood sizes tripled motor stick/tail boom solid balsa Ive lost two far Mile Square Park Fountain Valley CA thrill see flapper flying up away thermal latest series models canard design sent Bill Hannan French flapper unique because fea tures three-member bellcrank arrange ment apparatus moves wings tail independently As wings go down tail goes up similar angle-of-attack changer used model years ago Paul Del Gatto first Ornithopter type flew right off board flapper wings go up tail goes up setup worked better 20-in version canard flies very smoothly its stable Someone dubbed Manta Ray An Ornithopter builders list must clude Leonardo DiVinci Frenchman Jobert 1872 Dr Huneau de Villeneuve Penaudalong modern-day builders like PH Spenser Harry Graulich Carl Goldberg Ed Lidgard Larry Conover Ron Ganser Edmond Smith Walter David Erbach Bill Watson Jerry Murphy Bob White Bob Meuser Lew Gitlow Al Rohbaugh Jean Andrews Walt Kulzer Only surface has scratched flapping-wing aircraft have completed 135 machines written plan build least 200 Some time ago decided flaps flies its Ornithopter recent model has vertical EASY TO INSTALL 42 3 CUT 1/4 DEEP SLIT ALONG TIf FLKL LENGTH THE MArING NAqEACES MISTALL NM/GEUSE STRAIGHT PIN TO MAKE SM4LL HOLE EVANY RICH OR SODR/P CYANOACRYLATE GLLF IN HOLESCAPLLARY ACDON MILL CARRY GLUE ALONG ENTIRE JDNT FOR ADDITONAL SEaiRIT1 MISERT SMALL PIN EVERY FEW ARCHES CUT OFF FLUSH F1LL AND SAND AS AEEDED FOR FIR/SHING Send Free info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 flappers similar fishs side fins Guess what flies worldwide club Ornithoptologists begun last year can join send ing name address have two goals 1 have Ornithopters recog nized fine art kinetic sculpture Recently 25 flappers featured one-man art show month Los Angeles Mission College 2 build fly full-size man-carrying nithopter Two friends both aeronautical engineers have offered help quest platform variation Indoor design Note would like get plans Ornithopter model check sources Indoor Model Supply ex cellent Indoor kit Box C Garberville CA 95440 Micro-X-Models two plans K Johnson PO Box 1063 Lorain OH 44055 Send comments Ken Johnson 16052 Tulsa St Granada Hills CA 91344 FF DurationlMurpy Continued page 63 wing built strong enough stand motor bike retrieving thinks its very good event should taken seriously Well James now know get 020 started certainly shall Custom Fuel Tanks Old-Timer Nostalgia Gas movements have ten dency force rediscovery number lost arts may have put aside Free Flighters some years Such item art fabricating custom fuel tanks variety engines applications So needs Pacifier tanks have standard competition FF Continued page 160 November1984 157 AGAPLESS HiNGE SLOTTER Simplifies installation Gapless Hinges Makes Slols 4 Sizes Balsa 5-A-l/ E $250 ENNA SKYSHARKS Win Big Watch br FREE drawings trom AARD VIDEO PROGRAMS RENTBUY 1BASIC CONSTRUCTION FOR BEGINNERS IN RIC In 14954995 2BASIC FLIGHT TRAINING FOR BEGINNERS IN RIC 60 MIn 13954495 Prof easnal step step InstructIon Z 3 THE WORLD OF MODEL AVIATION 90 MIn 1395 4495 Expos StatIc DIsplays Scale AMA NATS much morn 4 OSHKOSH OVERVIEW 55 MIn 1295 3995 Workshops Static Displays Warbirds Airshows NEW PROGRAMS EACH MONTH-3 Day Rental- Program No 1 5 Days Ordering Information Send Check Money Order f full purchase price EACH program ordered Shipping Charge $450 covers both ways Illinois residents include 8 per Cent tax rental balance will refunded upon return programs Programs may rented wloption purchase Allow 10 days checks clear SEND ORDERS TO ACADEMY OF AVIATION RESEARCH & DEVELOPMENT PO Box 428139 3128740456 Chicago IL 6O642 FF DurationlMurpy Continued page 157 some time simple rig also fur nish pressurized fuel system featur well Other being bit messy times generally requiring electric starter exercise properly certainly functionalso bother suction tank arrangement answers could pri mary ones might OT Nostalgia Gas participants prefer authenticity standard suction tank plus use electric starters events often wise procedure older engines origi nally designed started such fash ion prolonged use starter cer tain vintage power plants could considerable internal damage engines parts maybe quite difficult expensive replace rate should have requirements custom fuel tanks following may some interest Most early ignition engines came complete integrally-attached fuel tank separate gas tank engine marketing box exceptions generally began racing engine types introduction early glow engine designs late Forties early Fifties time package cost sales competition factor omitting fuel tank engine sell ing price would provide engine manu facturer obvious cost-reduction lever cannot blame tankless-engine situation entirely industry though relatively new disciplines Control Line Radio Control would generally have fuel tank requirements differing Free Flight between selves though same engine used almost unchanged three cate gories fuel tank void soon ably filled variety suppliers anyway hobby shops carried different brands sizes shapes days also tried luck tin snips old-style soldering irons pieces cleaned-up tin cans more-or-less suc cess remember some efforts resulting configurations solder sheet metal weight may have lighter attempted hollow out brick instead built San De Hogan magazine plans Air Trails November 1949 wherein designer/author Denny Davis specified integral gas tank built fuselage reality automobile carburetor float day never attempted fabricate another fuel tank scratch carb floats made thin brass super light sealed tight came endless variety interesting shapes seemed could always find auto parts dealer would meet enginemounting specifications hollow brass carb floats still ing manufactured today usable variety available modern auto parts supply houses has dwindled considerably later carburetors use floats foam-filled float itself often some material other brass solderable So careful selection making conversion float fuel tank some immediate pre cautions floats pur chased completely sealed must punch initial hole some wherepreferable location intend install tube filler cap before touch soldering iron will relieve internal pressure caused heat soldering iron might cause float col lapse subsequently cools Always keep hole open somewhere fabri cating tank Another no-no should never use drill put holes float drill will leave minute par ticles brass inside float will nearly impossible remove flush outuntil start engine immediately go engine venturi Murphys Law brass walls very thin soft simple task punch required holes float sharp-pointed hand-held awl ice pick Simply push twist awl until hole ap propriate size Always use minimal amount good acid-core solder pencil-type soldering iron soldering gun Excess solder just excess weight use resin-core solder specifically recommended mak ing electrical connections will also require some sort mounting brackets tank externally-mounted motor mounts wooden engine bearers brackets should also made brass tween 010 016 thickness lightly soldered appropriate locations ade quately support tank pictured application McCoy 36 mounted Super Cyke motor mounts Note depression float might well have tailor-made provide clearance rear intake venturi tapered projection side float provides natural top front location fuel filler cap recently purchased float local auto parts store Sorenson No 13003B Sorenson Manufacturing Co Glasgow KY 42141 original engine manufacturer could have designed produced adequately-tailored fuel tank serve purpose provides attractive tank arrangement has drawn considerable comment fly ing field might wish investigate car buretor float option next time faced custom fuel-tank problem Model design revisions Ken Chamberlain Richmond BC Canada advises modelers likes build winning designs others get kitted published model magazines However would like see periodic updates significant design revisions variations well cer tain Ken has made fair request seldom kit model Free Flighters havent modified some extreme otheradded rear fins added auto sur faces lengthened fuselage chopped wing area whatever problem variations original design determining whether improvements deterrents 160 Model Aviation World Aerobatic Champion Leo sLaser Top Qeelily Epoxy Glaso Fuse loge Cowl l Ponto V Absuisses Loodog Gear PoomWbsg90SpesWlog Area 1440 sq Boise Finish Kit Ceopleto Stsp Stop lootroctiono wills Pletorso Welgbt 1620 lbs Esgise 2-4 HP 95 $1 99 PLUS SHIPPING Direct Sales Only leigh lit Ply Boise sod Poses Coostroctios 64 Wlsigopes Wig Area 640 Weight 6 6 lbs Suglee 45 Os 604 2 cycle S hr Assembly lime PLUS SHIPPING Dealer Inquiry Invited Jr Stick Outstanding Large Trainer $79 us Erect Only Manufacturers Quality Kits Send $100 complete catalog Turbo BD-4 Famous Homebuilt Light Plane What works Taft CA under Cate gory dead-calm conditions stance may hold true often comparatively windy contests South west Midwest big over-4Oo stabilizers West Coast gas jobs good example oversized stabs some times tend present stability problems under windy conditions other hand windy flying conditions often offset considerably incor poration rear fin smaller stabs tend better stabilize Power designs climbout Therefore although locale design originates often dictates some basic design trends modelers other parts country sooner later may attempt vari ous design changes original tailoring design individual local situations keeping Kens request might good spot mention probable design improvement 372-sq-in Nit Wit design published May issue magazine problem sort sneaked up mention maybe will make few friends later original wing incorporated x A-in diagonal bracing back main spar front trailing edge Covered silkspan adequately doped wing skin quite taut next immediate venture larger 535-sq-in version labeled Dim Wit copped Nats win subsequently Category III Class D Open AMA Record quite-successful model first area covered then-new Micafilm Coverite wing construction similar smaller model diagonals full-depth /6-sheet par tial ribs About time putting article together magazine decided strip silkspan Nit Wit wing getting rather fuel-soaked quite impressed performance Micafilm larger model did obvious used choice second covering smaller model However wing now flexed just enough cause model go over top under power reached certain velocity quickly built new wing full-depth diagonals la larger Dim Wit problem went away guess could say intend build Nit Wit some time other should incorporate full-depth diago nal ribs using plastic film coverings stated x diagonals would okay silk tissue silkspan might have already made flight line completed model plastic film covering allI would interested know have similar problems could least cry together same towel Doc Anderson expires Noted engine rework expert Doc Anderson Tole OH died unexpectedly home past spring Docs son Rol 1983 FAL Power Team member made trip together Australia previous September Doc particu larly faithful years support US FAI Power teams supplying engine reworks requested services ironic received reworked ST 23 quiet unassuming gentleman same day ad vised death finest engine craftsmen will sorely missed us appreciated love making model engines go faster Smile youre Candid Video about human interest story wind up months report Picture waning minutes Bluegrass Free Flight Champs Lexington KY July 8th normal meet-closing activities taking place such modelers packing gear preparation trip home CD Bill Barr scurrying make ready impending presentation trophies ever since gorgeous flying weather prevailed whole day Indiana modeler Moe Whittemore selected time slot break out newly-constructed Wakefield kit job proceeding prepare its maiden test flight moment mobile TV crew swooped catch contest action planned arrive earlier hadgotten sidetracked cover local fire Since movement Moes direction camera crew man-with-the-mike converged Moe continued ready model attempting respond answers typical staccato man-onthe-street one-liners buy things much cost grown men drive 300 miles just fly toy airplane Whats little piece rope thats stuck tail What does wife think Whats gooey stuff youre smearing rubberband going ready fly on Meanwhile fellow modeler bend ing other ear media-belea guered Moe attempting enlighten him personal all-day struggle get hiccups out identical kit job time TV star performer model wound / turns test hop thoroughly convinced soon innocent victim selfhumiliation evenings 10 oclock news model would surely crash ground few short seconds much hilarity 100000 viewers However immediately upon launch model spiraled up perfect pattern caught some light late-afternoon lift continued rise gracefully prop folded perfectly cue As Moe puffed downwind pursuit off-the-board miracle model inwardly relieved glance over shoulder indicated inquisitive newsman given up chase rather enjoyed event didnt really wish explain forgot ten light match little piece rope stuck tail Harry Murphy 3824 Oakwood Blvd Anderson IN 46011 responding advertisers mention read about Model Aviation November 1984 161 ROUSH MFG Canton OH 44707 Phone 216 4846810
Edition: Model Aviation - 1984/11
Page Numbers: 62, 63, 157, 160, 161
Free Flight Duration Harry Murphy GREETINGS feel should make ini tial comment two reference Bob Meusers name being displaced Contributing Editor Free Flight Dura tion First Bobs followers may rest fears because will return same old stand next issue However since Bob has formally request ed some relief cranking out column monthly basis boss has worked out plan accept report every-other-month schedule has subsequently lassoed writer tempt fill alternate monthly gaps plan also affords opportunity inject sprinkling little Midwest flavor column hope will prove interesting contrast Bobs fine reports doesnt work out Im certainly going toss blame back Bobs direction because understand culprit volunteered Publishers note CR W chore first place Anyway goes. Lets hear Y4A Much like Cox ifs syrlngeso says Jim Waiston simple flii-er-up procedure tori Cox TD 020 assures easy engine stifling makes competing 020 events pleasurable TD 049 dominates AA Free Flight competition its kid brother Cox TD 020 enjoys similar position such events AMA Payload Cargo SAMs 020 Replica now new NFFS-sponsored AA Nostalgia Gas event various events certainly indica tors popularity diminutive power plant current activity being particularly noticeable SAM Socie ty Antique Modelers event Should some reasons popularity 020 Replica associated oppor tunity compete miniaturized ver sions full-size vintage ignition designs would seem new NFFS Na tional Free Flight Society event covers early glow-plug-powered era might soon generate some renewed 020 sales catches under NFFS tutelage Since TD 020 has around approximately 25 years should safe assume gas-powered compet itors have least some semblance exposure AA competition have come establish some level participa tion events involved Personally am staunch supporter events number reasons opportunity afforded Junior age competition currently commercial Free Flight kits magazine 62 Model Aviation Central Ohio Free Flight Club COFFC mainstay Dick Smith displays pianform rear finned Wyvern COFFCs ill-Gas meet held WPAFB Miy 27 Power K&B 49cc 50% nitro model took second B Gas Cleveland-area FFer Charlie Jones rests few moments turf WPAFB Dayton OH after Jogging retrieve black-and-orange Max-A-Million 450 ST 23 power plans available SAM 020 Replica event other Free Flight Gas events combinedunfortunate true youngster cant afford mechanical fuel shutoff can always use simple eyedropper tank take hammer inexpensive Tomy Toy Robot little ingenuity utilize its innards pinchoff thin-wall surgical tubing means control engine run addition 020 should provide safest competition gas engine category youngsters weli us old folks criticism Cox TD 020 think might some stances could somewhat contrary start Fortunately normal reason 020 does draw fuel well small orifices venturi get clog gedparticularly engine run very often cleaned properly after running session starting Cox TD 020 has offered some difficulty past might interested sim ple preparation procedure recently caught attention Rick Pangells newsletter Max-Out publication Denver CO-based Magnificent Mountain Men However procedure actually credited Jim Walston resides much lower altitudes Smyrna GA Jim says uses following proce dure 020s before enginerunning session very positive results 1 Open needle valve several turns Disconnect fuel line NV Con nect empty syringe NV body short piece tubing Clear tiny jets venturi half-dozen blasts air syringe Reconnect fuel line set NV about two turns open 2 Fill tank full keep syringe connected tank filler tubes place finger over other tube Carefully force fuel through fuel line up NV Dont flood engine 3 Prime exhaust about two drops fuel connect battery Strike prop vertically down hori zontally use electric starter starter spring doesnt start run out prime after four strikes put ear exhaust port listen can hear plug crackling blow through exhaust clear excess fuel cylinder should start runs out prime quits open NV another 1A turn repeat prime etc Jim also recommends light 50% nitro fuel top performance addition claims has found pressurizing fuel system unnecessary reference 020 Replica event also advises keeping models flying weight four ounces less wing area 150- 165-sq-in range Continued page 157 Custom fuel tanks can made auto mobile carburetorfiosts Shopping fordiffer entaizesand shapescanslmpilfyiightwelght gas tank requirements OT Nostalgia Gas instaiiations isa McCoy36 ignition engine Super Cyclone metai mounts Roi Anderson waits good iift final round May 26 COFFC FAI Select Meet WPAFB logged 3rd place behind teammate Norm Poti upstart Hardy Brodersen Buck Zehr Super Cyclone-powered Fabrioted Playboy Sr Cabin Class C winner previous Mini SAM Champs Three Rivers Mi However popular twoday affair preempted year sponsors Michigan Antique Modelers could concen trate running big show Bong Field summerthe 84 SAM Champs butterflies served near three-view references point employed ma jor toy company two scale models Dracula bat conceived deemed too fragile manufac ture body Dracula figure foam Hollowing kept weight down cape formed flapping wings tail double bellcrank housed inside chest flapper concept sold another toy manufacturer price $50000 Two prototypes flapper built About 1970 Columbus Ohio asked come up full-size replica chicken ad agency pro moting country-style restaurant ac count week-long gala held year farm restaurant chain began attractions live chicken flying contest fake chicken put-on contest Ken Johnsons name en tered bonafide contestant day event bird smuggled area Eight large country-style mailboxes constructed hillside live chickens loaded back boxes signal front door would open chicken would fly out chicken wound five agency friends shielded view As whistle blew 100 spectators gasped seven chickens look-alike flew out over hill surprised announcer disqualified entry As rehearsed loudly disagreed distant sirens announced arrival sheriff disgruntled handcuffed Ken Johnson pushed squad car whisked off down road sirens screaming cuffs removed driven back area milling around through crowd some minutes later little old lady approached Dont try stuff again next year fellow stated obvi ously believing entire episode real Insects have seemed like great chal lenge flappers decided try like dragonfly seen linkage setup Baxters model flap per behind other could adapt ed end After sketches craft built result 12-in model blue dragonfly flies straight line about 30 feet doesnt sound like much distance try beating will see tough Another intriguing insect firefly Did know glow worm few creatures nature flap ping wings fixed wing fragile transparent flappers protected insect flight black wing cover cover has airfoil ellip tical tips As firefly prepares flight wing cover hinges forward side right angle body Got ta try soon oddity dis covered painting picture Still Using bid Fashioned IVing HingesGO will gain control efficiency eliminating gap between moveable nd stationary control surfaces will amazed performance gained using simple inexpen sive improvement FREE MOVEMENT450 STRONG AND LIGHTWEIGHT COMPLETELY FUELPROOF COMPATABLE WITH ALL IRON-ON MATERIALS COMES IN 3 FT LENGTHS SMALL 118 ORPRICE 3 ft $250 LARGE 114 insect strobe light account picture appeared full-page ad Grimes Co Urbana OH Several outdoor Ornithopters late have thermal flights over 8 mm design used variation latest Indoor model difference being wood sizes tripled motor stick/tail boom solid balsa Ive lost two far Mile Square Park Fountain Valley CA thrill see flapper flying up away thermal latest series models canard design sent Bill Hannan French flapper unique because fea tures three-member bellcrank arrange ment apparatus moves wings tail independently As wings go down tail goes up similar angle-of-attack changer used model years ago Paul Del Gatto first Ornithopter type flew right off board flapper wings go up tail goes up setup worked better 20-in version canard flies very smoothly its stable Someone dubbed Manta Ray An Ornithopter builders list must clude Leonardo DiVinci Frenchman Jobert 1872 Dr Huneau de Villeneuve Penaudalong modern-day builders like PH Spenser Harry Graulich Carl Goldberg Ed Lidgard Larry Conover Ron Ganser Edmond Smith Walter David Erbach Bill Watson Jerry Murphy Bob White Bob Meuser Lew Gitlow Al Rohbaugh Jean Andrews Walt Kulzer Only surface has scratched flapping-wing aircraft have completed 135 machines written plan build least 200 Some time ago decided flaps flies its Ornithopter recent model has vertical EASY TO INSTALL 42 3 CUT 1/4 DEEP SLIT ALONG TIf FLKL LENGTH THE MArING NAqEACES MISTALL NM/GEUSE STRAIGHT PIN TO MAKE SM4LL HOLE EVANY RICH OR SODR/P CYANOACRYLATE GLLF IN HOLESCAPLLARY ACDON MILL CARRY GLUE ALONG ENTIRE JDNT FOR ADDITONAL SEaiRIT1 MISERT SMALL PIN EVERY FEW ARCHES CUT OFF FLUSH F1LL AND SAND AS AEEDED FOR FIR/SHING Send Free info fine products FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 flappers similar fishs side fins Guess what flies worldwide club Ornithoptologists begun last year can join send ing name address have two goals 1 have Ornithopters recog nized fine art kinetic sculpture Recently 25 flappers featured one-man art show month Los Angeles Mission College 2 build fly full-size man-carrying nithopter Two friends both aeronautical engineers have offered help quest platform variation Indoor design Note would like get plans Ornithopter model check sources Indoor Model Supply ex cellent Indoor kit Box C Garberville CA 95440 Micro-X-Models two plans K Johnson PO Box 1063 Lorain OH 44055 Send comments Ken Johnson 16052 Tulsa St Granada Hills CA 91344 FF DurationlMurpy Continued page 63 wing built strong enough stand motor bike retrieving thinks its very good event should taken seriously Well James now know get 020 started certainly shall Custom Fuel Tanks Old-Timer Nostalgia Gas movements have ten dency force rediscovery number lost arts may have put aside Free Flighters some years Such item art fabricating custom fuel tanks variety engines applications So needs Pacifier tanks have standard competition FF Continued page 160 November1984 157 AGAPLESS HiNGE SLOTTER Simplifies installation Gapless Hinges Makes Slols 4 Sizes Balsa 5-A-l/ E $250 ENNA SKYSHARKS Win Big Watch br FREE drawings trom AARD VIDEO PROGRAMS RENTBUY 1BASIC CONSTRUCTION FOR BEGINNERS IN RIC In 14954995 2BASIC FLIGHT TRAINING FOR BEGINNERS IN RIC 60 MIn 13954495 Prof easnal step step InstructIon Z 3 THE WORLD OF MODEL AVIATION 90 MIn 1395 4495 Expos StatIc DIsplays Scale AMA NATS much morn 4 OSHKOSH OVERVIEW 55 MIn 1295 3995 Workshops Static Displays Warbirds Airshows NEW PROGRAMS EACH MONTH-3 Day Rental- Program No 1 5 Days Ordering Information Send Check Money Order f full purchase price EACH program ordered Shipping Charge $450 covers both ways Illinois residents include 8 per Cent tax rental balance will refunded upon return programs Programs may rented wloption purchase Allow 10 days checks clear SEND ORDERS TO ACADEMY OF AVIATION RESEARCH & DEVELOPMENT PO Box 428139 3128740456 Chicago IL 6O642 FF DurationlMurpy Continued page 157 some time simple rig also fur nish pressurized fuel system featur well Other being bit messy times generally requiring electric starter exercise properly certainly functionalso bother suction tank arrangement answers could pri mary ones might OT Nostalgia Gas participants prefer authenticity standard suction tank plus use electric starters events often wise procedure older engines origi nally designed started such fash ion prolonged use starter cer tain vintage power plants could considerable internal damage engines parts maybe quite difficult expensive replace rate should have requirements custom fuel tanks following may some interest Most early ignition engines came complete integrally-attached fuel tank separate gas tank engine marketing box exceptions generally began racing engine types introduction early glow engine designs late Forties early Fifties time package cost sales competition factor omitting fuel tank engine sell ing price would provide engine manu facturer obvious cost-reduction lever cannot blame tankless-engine situation entirely industry though relatively new disciplines Control Line Radio Control would generally have fuel tank requirements differing Free Flight between selves though same engine used almost unchanged three cate gories fuel tank void soon ably filled variety suppliers anyway hobby shops carried different brands sizes shapes days also tried luck tin snips old-style soldering irons pieces cleaned-up tin cans more-or-less suc cess remember some efforts resulting configurations solder sheet metal weight may have lighter attempted hollow out brick instead built San De Hogan magazine plans Air Trails November 1949 wherein designer/author Denny Davis specified integral gas tank built fuselage reality automobile carburetor float day never attempted fabricate another fuel tank scratch carb floats made thin brass super light sealed tight came endless variety interesting shapes seemed could always find auto parts dealer would meet enginemounting specifications hollow brass carb floats still ing manufactured today usable variety available modern auto parts supply houses has dwindled considerably later carburetors use floats foam-filled float itself often some material other brass solderable So careful selection making conversion float fuel tank some immediate pre cautions floats pur chased completely sealed must punch initial hole some wherepreferable location intend install tube filler cap before touch soldering iron will relieve internal pressure caused heat soldering iron might cause float col lapse subsequently cools Always keep hole open somewhere fabri cating tank Another no-no should never use drill put holes float drill will leave minute par ticles brass inside float will nearly impossible remove flush outuntil start engine immediately go engine venturi Murphys Law brass walls very thin soft simple task punch required holes float sharp-pointed hand-held awl ice pick Simply push twist awl until hole ap propriate size Always use minimal amount good acid-core solder pencil-type soldering iron soldering gun Excess solder just excess weight use resin-core solder specifically recommended mak ing electrical connections will also require some sort mounting brackets tank externally-mounted motor mounts wooden engine bearers brackets should also made brass tween 010 016 thickness lightly soldered appropriate locations ade quately support tank pictured application McCoy 36 mounted Super Cyke motor mounts Note depression float might well have tailor-made provide clearance rear intake venturi tapered projection side float provides natural top front location fuel filler cap recently purchased float local auto parts store Sorenson No 13003B Sorenson Manufacturing Co Glasgow KY 42141 original engine manufacturer could have designed produced adequately-tailored fuel tank serve purpose provides attractive tank arrangement has drawn considerable comment fly ing field might wish investigate car buretor float option next time faced custom fuel-tank problem Model design revisions Ken Chamberlain Richmond BC Canada advises modelers likes build winning designs others get kitted published model magazines However would like see periodic updates significant design revisions variations well cer tain Ken has made fair request seldom kit model Free Flighters havent modified some extreme otheradded rear fins added auto sur faces lengthened fuselage chopped wing area whatever problem variations original design determining whether improvements deterrents 160 Model Aviation World Aerobatic Champion Leo sLaser Top Qeelily Epoxy Glaso Fuse loge Cowl l Ponto V Absuisses Loodog Gear PoomWbsg90SpesWlog Area 1440 sq Boise Finish Kit Ceopleto Stsp Stop lootroctiono wills Pletorso Welgbt 1620 lbs Esgise 2-4 HP 95 $1 99 PLUS SHIPPING Direct Sales Only leigh lit Ply Boise sod Poses Coostroctios 64 Wlsigopes Wig Area 640 Weight 6 6 lbs Suglee 45 Os 604 2 cycle S hr Assembly lime PLUS SHIPPING Dealer Inquiry Invited Jr Stick Outstanding Large Trainer $79 us Erect Only Manufacturers Quality Kits Send $100 complete catalog Turbo BD-4 Famous Homebuilt Light Plane What works Taft CA under Cate gory dead-calm conditions stance may hold true often comparatively windy contests South west Midwest big over-4Oo stabilizers West Coast gas jobs good example oversized stabs some times tend present stability problems under windy conditions other hand windy flying conditions often offset considerably incor poration rear fin smaller stabs tend better stabilize Power designs climbout Therefore although locale design originates often dictates some basic design trends modelers other parts country sooner later may attempt vari ous design changes original tailoring design individual local situations keeping Kens request might good spot mention probable design improvement 372-sq-in Nit Wit design published May issue magazine problem sort sneaked up mention maybe will make few friends later original wing incorporated x A-in diagonal bracing back main spar front trailing edge Covered silkspan adequately doped wing skin quite taut next immediate venture larger 535-sq-in version labeled Dim Wit copped Nats win subsequently Category III Class D Open AMA Record quite-successful model first area covered then-new Micafilm Coverite wing construction similar smaller model diagonals full-depth /6-sheet par tial ribs About time putting article together magazine decided strip silkspan Nit Wit wing getting rather fuel-soaked quite impressed performance Micafilm larger model did obvious used choice second covering smaller model However wing now flexed just enough cause model go over top under power reached certain velocity quickly built new wing full-depth diagonals la larger Dim Wit problem went away guess could say intend build Nit Wit some time other should incorporate full-depth diago nal ribs using plastic film coverings stated x diagonals would okay silk tissue silkspan might have already made flight line completed model plastic film covering allI would interested know have similar problems could least cry together same towel Doc Anderson expires Noted engine rework expert Doc Anderson Tole OH died unexpectedly home past spring Docs son Rol 1983 FAL Power Team member made trip together Australia previous September Doc particu larly faithful years support US FAI Power teams supplying engine reworks requested services ironic received reworked ST 23 quiet unassuming gentleman same day ad vised death finest engine craftsmen will sorely missed us appreciated love making model engines go faster Smile youre Candid Video about human interest story wind up months report Picture waning minutes Bluegrass Free Flight Champs Lexington KY July 8th normal meet-closing activities taking place such modelers packing gear preparation trip home CD Bill Barr scurrying make ready impending presentation trophies ever since gorgeous flying weather prevailed whole day Indiana modeler Moe Whittemore selected time slot break out newly-constructed Wakefield kit job proceeding prepare its maiden test flight moment mobile TV crew swooped catch contest action planned arrive earlier hadgotten sidetracked cover local fire Since movement Moes direction camera crew man-with-the-mike converged Moe continued ready model attempting respond answers typical staccato man-onthe-street one-liners buy things much cost grown men drive 300 miles just fly toy airplane Whats little piece rope thats stuck tail What does wife think Whats gooey stuff youre smearing rubberband going ready fly on Meanwhile fellow modeler bend ing other ear media-belea guered Moe attempting enlighten him personal all-day struggle get hiccups out identical kit job time TV star performer model wound / turns test hop thoroughly convinced soon innocent victim selfhumiliation evenings 10 oclock news model would surely crash ground few short seconds much hilarity 100000 viewers However immediately upon launch model spiraled up perfect pattern caught some light late-afternoon lift continued rise gracefully prop folded perfectly cue As Moe puffed downwind pursuit off-the-board miracle model inwardly relieved glance over shoulder indicated inquisitive newsman given up chase rather enjoyed event didnt really wish explain forgot ten light match little piece rope stuck tail Harry Murphy 3824 Oakwood Blvd Anderson IN 46011 responding advertisers mention read about Model Aviation November 1984 161 ROUSH MFG Canton OH 44707 Phone 216 4846810