Free Flight Duration Bob Meuser CONVENTIONAL AIRCRAFT Bob Meuser vacation weve asked veteran Free Flight fanatic Larry Kruse take reigns month veteran Free Flight modelers Larry needs no introduction however newcomers well just suggest read let Larry introduce himself BEING guest columnist has same attributes being grandparent First no expects authority figure comments noted sort bemused fashion patient reader no expects strike fire word Similarly certain amount dodder ing misdirection tolerated fum ble stumble bumble bit allow ances generally made effects longevity absent-mindedness Third importantly dont have bear consequences audacious behavior After one-shot per formance charges have gone back regular columnist four weeks down road leaving poor editor staff sort out shambles youve created Given above very pleased asked fill Bob Meuser allow him well-deserved break same vein next bit information comes under heading fools rushing m DOWNLOAD ON TAIL CAUSES DRAG LIFT * JOINEDWING AIRCRAFT * LIFT ON BOTH FLYING SURFACES REDUCES DRAG * Remember Joined-Wing concept Bob Meuser first brought attention January 1984 Issue further discMssIon March 1984 issue Larry Kruse thinks hasnt enough action column Joined-Wing concept recently hes decided stir things up pointing out interesting aspects system ALL ELEVONS DOWN * PLANE MOVES STRAIGHT UP DIRECT LIFT CONTROL Joined-wing reprise Back January year Bob presented Dr Julian Wol kovitchs patented joined-wing concept column idea worth some ex perimentation Free Flight presentation quickly followed letter Dr Wolkovitch MA March 1984 p 76 clarifying several points made Bobs original commentary Since readers havent heard anything about joined-wing concept least four months thought might just stir whole thing up again long stick see what happens recent issue Aviation Week Space Technology February 27 1984 showed photo wind tunnel test model developed Rockwell Interna tional described being dia mond-shape both plan view front view. overall configuration believed offer potential advantages terms reduced drag. direct lift side-force capability Dr Wolko vitch serving technical advisor study Two interesting potential applications joined-wing concept Free Flight purposes effects RIGHT ELEVONS UP / S ROLL CONTROL RIGHT ELEVON DOWNLEFT ELEVON UP RIGHT ELEVON UPLEFT ELEVON DOWN DIRECT SIDEFORCE CONTROL Dr Juilan Woikovitch Inventor Joined-Wing concept series sketches shows Joined-Wing aircraft could controlled use fiaperons both forward aft flying surfaces real application control defiections would have computed based surface areas center gravity location get Direct Lift Con trol Direct Side-Porce Control work unwanted vehicle motions addition 64 Model Aviation 1 LEFT ELEVONS DOWN PLANE ROLLS INTO RIGHTHAND BANK 4 PLANEMOVES SIDEWAYS Small rubber-power planes beginner just thingl left Micro-Xs new Hornet kit offers competition-caliber perfor mance easily-built design Hornet really Embryo Endurance model wheel pants exhaust pipes windshield worth bonus points model right original multi-event design Jim OReilly Wichita KS calls Convertible different combinations wings fuselages can flown Embryo Endurance Rubber Speed 7111 Kruse photos Two innovative component designs 1 Pennyplane Fulmer family South Bend IN has thirst altitudeIf Its prop blades indication foam blades discussed column R gidget atop wing Gil Morris Toothpick models electronic plane-locator mouse miniature radio transmitter encased balsa-and-tissue fairing Kruse photos George Perrymans Giant Speckled Birda truly monstrous 850-sq-ln Unlimited rubber-power modelused dual-skein rubber motor two skeins geared together exceptionally-ions motor runs consequences using geared motor curious L nose block looks odd because comes two parts prop shaft other lower motor allows both motors wound front R Discernible through access panels rear fuselage motor-coupling gear arrangement little doubler hole through glued outside fuselage planking apparently stop-rod restrains gears during winding Geared motors also help prevent CG shifts rubber unwinds Kruse photos control surfaces lift potential illustrated accompanying sketch es Results applications Free Flight models could certainly worth sharing Anyone out working joined-wing concept CO-2 Duration Curiously enough popular CO-2 motors have become last few years no Duration events have risen discernible popu larity country Asearly 1979 British cousins brought CO-2 Duration prominence have included British Nats event since 1980 event popularized not exactly clear would seem idea time has come country As advocate CO-2 power devotee both sport Scale CO-2 air craft Id like present set CO-2 Duration rules employed Great Britain rules originally developed British SMAE Society Model Air craft Engineers published Aero modeller Notice attempt en courage design development no restrictions wing area model weight Continued page 156 August 1984 65 NEW FOURMOST PRODUCTS FUSELAGE FIXTURE FOURMOST FUSELAGE FIXTURE designed AutomaticiIy align fuselage structures built strings measaring eyeballing Simply slide four centering brackets track until align mith firewall tail joint two hulkhasds Clamp fuselagetogether lightly rubberbands structure will straight track aaswitOOasmaap 9 las l5a Price 2995 Miter Master Miter Mast, tool designed enable crafts man make perfect joints wood accurately sanding pm-set angles sqoaring fence allows forprecise 90 angles end retracts below surface Any angle can set triangular guide aning adjacent side complement angle will formed making invaluable truss construction new cyanoacrylate adhesives require uccorately fitted joints achieve full strength Miter Master will enableyou make easily FOURMOST PRODUCTS 4040 24th Ave Forest Grove OR 97116 FF ScalelWarner Continued page 63 toward rear dont overdo Double check photos see peculiar discolorations chip ping have missed fin ished spray light coat clear over everything prevent smudging doing heavier variety model FF Gas might go far actually spray aluminum under coat WW II model worry away certain areas finish youve sprayed over aluminum using cotton swab has just resem blance thinner Continue until aluminum shows through Grass modeling has around long time Bamboo giant grass splitting down small strips has done since modeling invented Ulises Alvarez down Montevideo Uruguay has making models years Espartillo stem local variety grass produces fairly stiff tube dried makes leading edges trail ing edges tip outlines longerons struts landing gear legs about everything else can stuff saving balsa wing ribs prop interplane struts Peanuts fly about well balsabuilt ones too JF Frugoli Marseilles France recently sent some bonne paille de Provence local grass uses good effect fattening up landing gear struts making axles tallskid parts lot varies size stiffness well strength weight just happened notice rather large patch weeds model insinuated itself Mile Square flying site southern California Price $950 Assembled hosed 503 357-2732 reality huge model-materials farm just awaiting harvest am looking forward trying out fantastic assort ment tubular dried grass stems future models sizes range about 020 up about eighth inch might want see whats growing area put some away dry out before rains get rot sets careful bring variety bugs lady house may raise objections adventure lowtech aeromodeling Poly-Cons convicted parrots rather small polyethelene containers some rather nice features modelers available very low cost plastics supply stores see Yellow Pages hardwares supermar kets sort like containers 35mm film comes except come variety sizes have lids attached wont lose serve well mixing small amounts paint dope nothing sticks dried paint cracks off easily almost leakproof seal perfectly Before carry rubber lube dope thinner etc tool box Poly-Cons turn em upside down newspaper couple hours have found great carrying small bot tles liquids sort back-up case leak Small parts like nose bear ings pins washers like stay put big advantage no twistoff top get stuck come col ors transluscent opaque darker ones being good storing ready-lubed rubber motors identify contents little Japanese paint pens carry art stores bit thinner paper towel cleans right off change its function cant find area Plastic Mart 2101 Pico Blvd Santa Monica CA 90405 stocks say will take mail orders like weird grotesque absurd allow recommend getting touch Dave Aronstein SO Pasture Ln Poughkeepsie NY 12603 latest line plans dollar plus 20 postage includes 9-in span SR-7 1 Blackbird pusher prop 9-in-long Waterman Aerobile 15-in span Moynet Jupiter push-pull number other models Indoor fliers ranging 5tA-in-span Pottier P-l00 some ultralights fly quite well large SASE Dave will bring free list Let lightl said Will Auen Mid-Hudson Modelmasters em barked production own op tical fibers stretching heated sprue stuff thats left over after make little plastic modelin little tree form clear variety sprue will con duct light around corners entire model might lit single small bulb Picture next Scale job running lights interior lights etc lit up next club meeting attend Will uses candle flame some practice can really stretch out Some guys have making whip antenna masts way years As material comes round sec tion will cone-shaped ends holding Just cut off some point up taper far wish get right-sized light end Plastic can polished first sand ing out saw marks 600-grit wetor-dry abrasive paper using toothpaste old-fashioned variety polishig compound Well gang check rubber nicks Trexlers tacks stop drinking spar varnish Uncle Vanya died horrible end beautiful finish. Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 FF DurationlMeuser Continued page 65 type propeller used SMAE Rules CO-2 events 1 The maximum capacity car bon dioxide CO-2 tank piping system shall less 325 cubic cen timetres 01983 in3 Note Brown Humbrol Shark Telco standard single-cylinder tanks motors meet requirements rules 2 Outdoor contests competitor allowed six flights maximum score two minutes best five six will count toward final score 156 Model Aviation Indoor contests best two six flights will count No maximum flight-time 3 contest flights CO-2 system must filled bulb type filler 4 Non-standard motors tanks pip ing filling systems may used Contest Director satisfied reas onable precautions have taken en sure equipment safe British outdoor CO-2 models tend about same size Coupe dHiver rubber-power use 1/1 6-in-square open structures Indoor ships tend somewhat larg er lighter might expect Typi cal wingspans range neighborhood 40-48 inches often use mylar cover ing attempt minimize weight light events Free Flight community has attempted retain develop and/or perpetuate last few years CO-2 Duration should given due consideration example its evident us think Rocket power Jetex has gone away except Nationals level Electric Power too bit slow catch although potential certainly CO-2 Duration personal fav orite become viable event next few years has potential replace Rocket forge ahead Electric popularity due simply its lower initial cost Although am aware nation ally-published domestic designs event plans have presented Aero modeller time time should give excellent reference points domes tic development CO-2 Duration mod els new small-field Power event could make Category III contests whole lot fun Embryo 7-11 beginners Jim Kosteckys excellent Tutor MA June 1984 design intended introduce begin ners wonders Free Flight pre sents very good springboard young modelers Likewise NFFS National Free Flight Society Embryo 7-11 events can same thingor depend ing skill level builder serve next step up Tutor Two Embryo kit designs particular stand out appropriate choices beginners realm Free Flight Peck-Polymers Prairie Bird has around awhile Micro-Xs new Hornet two designs fit same requisites Tutor Structures sim ple straight-of-line strong func tional Both readily available hobby dealers can ordered rrom Peck-Polymers Box 2498-MA La vIesa CA 92041 Micro-X Products Box 1063 Loran OH 44055 Ive also included photo Jim YReillys convertible 7-11/Embryo iesign shown its Embryo configura ion manipulating combinations vings fuselages rubber design also convertible Rubber Speed triple-threat entry NFFS events too typifies models could qualify beginners ships maintaining com petition potential Foam blades Props Pennyplanes EZBs typically pretty much standard ized items far construction goes Typically blade blanks cut thin sheet balsa soaked some sort wet ting solution wrapped cylindrical form either baked remove moisure allowed air-dry variation theme has pro vided us Keith Fulmer sons Brad Bryan South Bend IN have campaigning models fitted wire sheet-foam blades As shown accompanying photo printed foam shells A&W Root Beer contain ers have chief sources props curvature container itself provides camber simple matter vary camber cutting new blades along different tangential line container wire frame blades attached wrapped glued prop hook Props made fashion extremely long-lived damage-resistant Gearing up rubber power enamored large rubber-powered planes constantly faced prob Continued page 160 August 1984 157 q 0 23961 cRAFTSMAN RD CALABASAS CA 91302TEL 213-992-0195TWX 9104945933 Scale Realism R/ C Aircraft Lightweight flexible super detailed pilot figures FF DurationlMeuser Continued page 157 1cm CG center gravity shift motor unwinds longer fuselage further motor peg CG greater chance stall under power stall glide portion flight shorten motor length either moving motor peg ward actually chopping off hank rubber youve defeated purpose having long fuselage first place George Perryman obviously faced same cascading sets problems designed gigantic Great Speckled Bird NFFS Dick Korda Open Rubber event Georges solution go gearing sytem no great shakes except George gave little unique Perryinan twist gear mechanism rear planenot front Does mean plane reverse gear George As photos show two mo tor hooks facing forward gearing mechanism immediately behind what appears ply plate metal bush ings small circular hole apparently stop-rod keep everything unraveling winding relieve undue pressure gears themselves double noseblock allows winding both motors front plane motor run snakey stuff unbelievably long cant rind notes exact length George no problem whatsoever unwound motors upsetting CG Very ingeniouswhich what have come expect George Perryman Radio Controlled Free Flight knew would get attention Actually has nothing radio controlled CIVILIAN BUSTS NOW AVAILABLE 1/3 1/4 1/5 S2OO shipping bust AT YOUR HOBBY SHOP Free Flight What does have Gil Morris Toothpicks designer use small radio transmitter mounted streamlined pod atop wing plane Gils mouse calls emits electronic beeps help him locate retrieve plane midst jungle-like growth sometimes have fly Gil reports good success device Im sure hed happy supply details about exact components sent SASE self-addressed stamped envelope Gilbert Morris 2810 Brackey Rd Columbus OH 43220 Nickels roll cause theyre round niftiest hints Ive encountered comes Jerry Skrjanc Mi cro-X man Ive always trouble mak ing small wheels sheet balsa lamina tions same just never seems can get finish up round Regard less carefully cut out some lose sanding process wheel takes its own whopperjawed characteristics late game next time youre faced wheel-making task sandwich wheel blank between two coins appropri ate size sand right down metal Neat huh pinch coins tightly enough easy task Free Flight ers theres just no way can wrong Speaking wheels its time wheel out let Bob Meuser return accustomed revered place next month hope Ill get meet along contest trail season Free Flight forever address Larry Kruse Box 1137 Liberal KS 67901 Photos drawings correspondence dealing Free Flight sub jects should continue sent 1 regular Contributing Editor Bob Meuser 4200 Gregory St Oakland CA 94619 Peanut ParsylHannan Continued page 69 prop great duration sure looks like bleep Mather The plastic props available about good anyone can make Wil liams Brothers props cut down neces sary excellent Stark Start plastic prop get airplane trimmed Measure thrust prop rubber size works make wooden props per form better plastic Peck Past experience guide choose large diameter will clear ROG usually cutting down longer prop blade area general like use plastic props necessary will carve wooden prop obtain pitch area desire competition light model prefer high-pitch prop larger area blade Stott First try like worked similar model Thompson Carve 5-in block prop see what get can cut shaped twisted fiddled ways can nearly always get satisfactory prop out Hnnnnn Changing subject bit people regarded innovators What ideas feel may have con tributed Peanut modeling Martin The art winning very lit tle talent concept stand-off Pea nut Scale judges 50 feet away model Coined mottos Peanuts ever sic semper Peanutus Indoor everyone non semper indoorus Mather I cant think Stark I may have started trend toward fat-fuselage models Cou gar 1963 64 Stott Took HUNGoriIla out jungle made him what today Peck believe have made easier average person build Peanut Scale modelsby offering kits have parts understandable plans construction Also designed produced precision nylon thrust bearings used great modelers Thompson Very little Peanut Scale has caught due effortsbut rather due Dave Stott other modelers have made things go Perhaps have reintroduced feeling having fun some messing about rule book propos ailing cross-proposalling having fun Just because tend slap-dash slap-happy about things hardly makes right contest record abysmal shows poverty approach enjoy myself way what models get away pres sures might cause rather re sent see increasing Continued page 162 160 Model Aviation KNIGHTS AIR PILOT BUSTS AND FULL FIGURES Perfect oldest newest next creation give plane pilot FULL FIGURES 115 CIVILIANS1Z95 1/4 CIVILIANS1495 1/3 CIVILIAN81995 NEW RELEASES 1/5 WWII US NAVY 395 1/6 WWII US AAF 195 CIVILIAN8895 specify airplane helicopter S25S shipping figwe ORDER YOURS TODAY Wiliism M Hawke 7148 Iasting Light Way Columbia MD 21045 301 730-5596 NEW RELEASE 1/5 WWII us NAVY
Edition: Model Aviation - 1984/08
Page Numbers: 64, 65, 156, 157, 160
Free Flight Duration Bob Meuser CONVENTIONAL AIRCRAFT Bob Meuser vacation weve asked veteran Free Flight fanatic Larry Kruse take reigns month veteran Free Flight modelers Larry needs no introduction however newcomers well just suggest read let Larry introduce himself BEING guest columnist has same attributes being grandparent First no expects authority figure comments noted sort bemused fashion patient reader no expects strike fire word Similarly certain amount dodder ing misdirection tolerated fum ble stumble bumble bit allow ances generally made effects longevity absent-mindedness Third importantly dont have bear consequences audacious behavior After one-shot per formance charges have gone back regular columnist four weeks down road leaving poor editor staff sort out shambles youve created Given above very pleased asked fill Bob Meuser allow him well-deserved break same vein next bit information comes under heading fools rushing m DOWNLOAD ON TAIL CAUSES DRAG LIFT * JOINEDWING AIRCRAFT * LIFT ON BOTH FLYING SURFACES REDUCES DRAG * Remember Joined-Wing concept Bob Meuser first brought attention January 1984 Issue further discMssIon March 1984 issue Larry Kruse thinks hasnt enough action column Joined-Wing concept recently hes decided stir things up pointing out interesting aspects system ALL ELEVONS DOWN * PLANE MOVES STRAIGHT UP DIRECT LIFT CONTROL Joined-wing reprise Back January year Bob presented Dr Julian Wol kovitchs patented joined-wing concept column idea worth some ex perimentation Free Flight presentation quickly followed letter Dr Wolkovitch MA March 1984 p 76 clarifying several points made Bobs original commentary Since readers havent heard anything about joined-wing concept least four months thought might just stir whole thing up again long stick see what happens recent issue Aviation Week Space Technology February 27 1984 showed photo wind tunnel test model developed Rockwell Interna tional described being dia mond-shape both plan view front view. overall configuration believed offer potential advantages terms reduced drag. direct lift side-force capability Dr Wolko vitch serving technical advisor study Two interesting potential applications joined-wing concept Free Flight purposes effects RIGHT ELEVONS UP / S ROLL CONTROL RIGHT ELEVON DOWNLEFT ELEVON UP RIGHT ELEVON UPLEFT ELEVON DOWN DIRECT SIDEFORCE CONTROL Dr Juilan Woikovitch Inventor Joined-Wing concept series sketches shows Joined-Wing aircraft could controlled use fiaperons both forward aft flying surfaces real application control defiections would have computed based surface areas center gravity location get Direct Lift Con trol Direct Side-Porce Control work unwanted vehicle motions addition 64 Model Aviation 1 LEFT ELEVONS DOWN PLANE ROLLS INTO RIGHTHAND BANK 4 PLANEMOVES SIDEWAYS Small rubber-power planes beginner just thingl left Micro-Xs new Hornet kit offers competition-caliber perfor mance easily-built design Hornet really Embryo Endurance model wheel pants exhaust pipes windshield worth bonus points model right original multi-event design Jim OReilly Wichita KS calls Convertible different combinations wings fuselages can flown Embryo Endurance Rubber Speed 7111 Kruse photos Two innovative component designs 1 Pennyplane Fulmer family South Bend IN has thirst altitudeIf Its prop blades indication foam blades discussed column R gidget atop wing Gil Morris Toothpick models electronic plane-locator mouse miniature radio transmitter encased balsa-and-tissue fairing Kruse photos George Perrymans Giant Speckled Birda truly monstrous 850-sq-ln Unlimited rubber-power modelused dual-skein rubber motor two skeins geared together exceptionally-ions motor runs consequences using geared motor curious L nose block looks odd because comes two parts prop shaft other lower motor allows both motors wound front R Discernible through access panels rear fuselage motor-coupling gear arrangement little doubler hole through glued outside fuselage planking apparently stop-rod restrains gears during winding Geared motors also help prevent CG shifts rubber unwinds Kruse photos control surfaces lift potential illustrated accompanying sketch es Results applications Free Flight models could certainly worth sharing Anyone out working joined-wing concept CO-2 Duration Curiously enough popular CO-2 motors have become last few years no Duration events have risen discernible popu larity country Asearly 1979 British cousins brought CO-2 Duration prominence have included British Nats event since 1980 event popularized not exactly clear would seem idea time has come country As advocate CO-2 power devotee both sport Scale CO-2 air craft Id like present set CO-2 Duration rules employed Great Britain rules originally developed British SMAE Society Model Air craft Engineers published Aero modeller Notice attempt en courage design development no restrictions wing area model weight Continued page 156 August 1984 65 NEW FOURMOST PRODUCTS FUSELAGE FIXTURE FOURMOST FUSELAGE FIXTURE designed AutomaticiIy align fuselage structures built strings measaring eyeballing Simply slide four centering brackets track until align mith firewall tail joint two hulkhasds Clamp fuselagetogether lightly rubberbands structure will straight track aaswitOOasmaap 9 las l5a Price 2995 Miter Master Miter Mast, tool designed enable crafts man make perfect joints wood accurately sanding pm-set angles sqoaring fence allows forprecise 90 angles end retracts below surface Any angle can set triangular guide aning adjacent side complement angle will formed making invaluable truss construction new cyanoacrylate adhesives require uccorately fitted joints achieve full strength Miter Master will enableyou make easily FOURMOST PRODUCTS 4040 24th Ave Forest Grove OR 97116 FF ScalelWarner Continued page 63 toward rear dont overdo Double check photos see peculiar discolorations chip ping have missed fin ished spray light coat clear over everything prevent smudging doing heavier variety model FF Gas might go far actually spray aluminum under coat WW II model worry away certain areas finish youve sprayed over aluminum using cotton swab has just resem blance thinner Continue until aluminum shows through Grass modeling has around long time Bamboo giant grass splitting down small strips has done since modeling invented Ulises Alvarez down Montevideo Uruguay has making models years Espartillo stem local variety grass produces fairly stiff tube dried makes leading edges trail ing edges tip outlines longerons struts landing gear legs about everything else can stuff saving balsa wing ribs prop interplane struts Peanuts fly about well balsabuilt ones too JF Frugoli Marseilles France recently sent some bonne paille de Provence local grass uses good effect fattening up landing gear struts making axles tallskid parts lot varies size stiffness well strength weight just happened notice rather large patch weeds model insinuated itself Mile Square flying site southern California Price $950 Assembled hosed 503 357-2732 reality huge model-materials farm just awaiting harvest am looking forward trying out fantastic assort ment tubular dried grass stems future models sizes range about 020 up about eighth inch might want see whats growing area put some away dry out before rains get rot sets careful bring variety bugs lady house may raise objections adventure lowtech aeromodeling Poly-Cons convicted parrots rather small polyethelene containers some rather nice features modelers available very low cost plastics supply stores see Yellow Pages hardwares supermar kets sort like containers 35mm film comes except come variety sizes have lids attached wont lose serve well mixing small amounts paint dope nothing sticks dried paint cracks off easily almost leakproof seal perfectly Before carry rubber lube dope thinner etc tool box Poly-Cons turn em upside down newspaper couple hours have found great carrying small bot tles liquids sort back-up case leak Small parts like nose bear ings pins washers like stay put big advantage no twistoff top get stuck come col ors transluscent opaque darker ones being good storing ready-lubed rubber motors identify contents little Japanese paint pens carry art stores bit thinner paper towel cleans right off change its function cant find area Plastic Mart 2101 Pico Blvd Santa Monica CA 90405 stocks say will take mail orders like weird grotesque absurd allow recommend getting touch Dave Aronstein SO Pasture Ln Poughkeepsie NY 12603 latest line plans dollar plus 20 postage includes 9-in span SR-7 1 Blackbird pusher prop 9-in-long Waterman Aerobile 15-in span Moynet Jupiter push-pull number other models Indoor fliers ranging 5tA-in-span Pottier P-l00 some ultralights fly quite well large SASE Dave will bring free list Let lightl said Will Auen Mid-Hudson Modelmasters em barked production own op tical fibers stretching heated sprue stuff thats left over after make little plastic modelin little tree form clear variety sprue will con duct light around corners entire model might lit single small bulb Picture next Scale job running lights interior lights etc lit up next club meeting attend Will uses candle flame some practice can really stretch out Some guys have making whip antenna masts way years As material comes round sec tion will cone-shaped ends holding Just cut off some point up taper far wish get right-sized light end Plastic can polished first sand ing out saw marks 600-grit wetor-dry abrasive paper using toothpaste old-fashioned variety polishig compound Well gang check rubber nicks Trexlers tacks stop drinking spar varnish Uncle Vanya died horrible end beautiful finish. Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 FF DurationlMeuser Continued page 65 type propeller used SMAE Rules CO-2 events 1 The maximum capacity car bon dioxide CO-2 tank piping system shall less 325 cubic cen timetres 01983 in3 Note Brown Humbrol Shark Telco standard single-cylinder tanks motors meet requirements rules 2 Outdoor contests competitor allowed six flights maximum score two minutes best five six will count toward final score 156 Model Aviation Indoor contests best two six flights will count No maximum flight-time 3 contest flights CO-2 system must filled bulb type filler 4 Non-standard motors tanks pip ing filling systems may used Contest Director satisfied reas onable precautions have taken en sure equipment safe British outdoor CO-2 models tend about same size Coupe dHiver rubber-power use 1/1 6-in-square open structures Indoor ships tend somewhat larg er lighter might expect Typi cal wingspans range neighborhood 40-48 inches often use mylar cover ing attempt minimize weight light events Free Flight community has attempted retain develop and/or perpetuate last few years CO-2 Duration should given due consideration example its evident us think Rocket power Jetex has gone away except Nationals level Electric Power too bit slow catch although potential certainly CO-2 Duration personal fav orite become viable event next few years has potential replace Rocket forge ahead Electric popularity due simply its lower initial cost Although am aware nation ally-published domestic designs event plans have presented Aero modeller time time should give excellent reference points domes tic development CO-2 Duration mod els new small-field Power event could make Category III contests whole lot fun Embryo 7-11 beginners Jim Kosteckys excellent Tutor MA June 1984 design intended introduce begin ners wonders Free Flight pre sents very good springboard young modelers Likewise NFFS National Free Flight Society Embryo 7-11 events can same thingor depend ing skill level builder serve next step up Tutor Two Embryo kit designs particular stand out appropriate choices beginners realm Free Flight Peck-Polymers Prairie Bird has around awhile Micro-Xs new Hornet two designs fit same requisites Tutor Structures sim ple straight-of-line strong func tional Both readily available hobby dealers can ordered rrom Peck-Polymers Box 2498-MA La vIesa CA 92041 Micro-X Products Box 1063 Loran OH 44055 Ive also included photo Jim YReillys convertible 7-11/Embryo iesign shown its Embryo configura ion manipulating combinations vings fuselages rubber design also convertible Rubber Speed triple-threat entry NFFS events too typifies models could qualify beginners ships maintaining com petition potential Foam blades Props Pennyplanes EZBs typically pretty much standard ized items far construction goes Typically blade blanks cut thin sheet balsa soaked some sort wet ting solution wrapped cylindrical form either baked remove moisure allowed air-dry variation theme has pro vided us Keith Fulmer sons Brad Bryan South Bend IN have campaigning models fitted wire sheet-foam blades As shown accompanying photo printed foam shells A&W Root Beer contain ers have chief sources props curvature container itself provides camber simple matter vary camber cutting new blades along different tangential line container wire frame blades attached wrapped glued prop hook Props made fashion extremely long-lived damage-resistant Gearing up rubber power enamored large rubber-powered planes constantly faced prob Continued page 160 August 1984 157 q 0 23961 cRAFTSMAN RD CALABASAS CA 91302TEL 213-992-0195TWX 9104945933 Scale Realism R/ C Aircraft Lightweight flexible super detailed pilot figures FF DurationlMeuser Continued page 157 1cm CG center gravity shift motor unwinds longer fuselage further motor peg CG greater chance stall under power stall glide portion flight shorten motor length either moving motor peg ward actually chopping off hank rubber youve defeated purpose having long fuselage first place George Perryman obviously faced same cascading sets problems designed gigantic Great Speckled Bird NFFS Dick Korda Open Rubber event Georges solution go gearing sytem no great shakes except George gave little unique Perryinan twist gear mechanism rear planenot front Does mean plane reverse gear George As photos show two mo tor hooks facing forward gearing mechanism immediately behind what appears ply plate metal bush ings small circular hole apparently stop-rod keep everything unraveling winding relieve undue pressure gears themselves double noseblock allows winding both motors front plane motor run snakey stuff unbelievably long cant rind notes exact length George no problem whatsoever unwound motors upsetting CG Very ingeniouswhich what have come expect George Perryman Radio Controlled Free Flight knew would get attention Actually has nothing radio controlled CIVILIAN BUSTS NOW AVAILABLE 1/3 1/4 1/5 S2OO shipping bust AT YOUR HOBBY SHOP Free Flight What does have Gil Morris Toothpicks designer use small radio transmitter mounted streamlined pod atop wing plane Gils mouse calls emits electronic beeps help him locate retrieve plane midst jungle-like growth sometimes have fly Gil reports good success device Im sure hed happy supply details about exact components sent SASE self-addressed stamped envelope Gilbert Morris 2810 Brackey Rd Columbus OH 43220 Nickels roll cause theyre round niftiest hints Ive encountered comes Jerry Skrjanc Mi cro-X man Ive always trouble mak ing small wheels sheet balsa lamina tions same just never seems can get finish up round Regard less carefully cut out some lose sanding process wheel takes its own whopperjawed characteristics late game next time youre faced wheel-making task sandwich wheel blank between two coins appropri ate size sand right down metal Neat huh pinch coins tightly enough easy task Free Flight ers theres just no way can wrong Speaking wheels its time wheel out let Bob Meuser return accustomed revered place next month hope Ill get meet along contest trail season Free Flight forever address Larry Kruse Box 1137 Liberal KS 67901 Photos drawings correspondence dealing Free Flight sub jects should continue sent 1 regular Contributing Editor Bob Meuser 4200 Gregory St Oakland CA 94619 Peanut ParsylHannan Continued page 69 prop great duration sure looks like bleep Mather The plastic props available about good anyone can make Wil liams Brothers props cut down neces sary excellent Stark Start plastic prop get airplane trimmed Measure thrust prop rubber size works make wooden props per form better plastic Peck Past experience guide choose large diameter will clear ROG usually cutting down longer prop blade area general like use plastic props necessary will carve wooden prop obtain pitch area desire competition light model prefer high-pitch prop larger area blade Stott First try like worked similar model Thompson Carve 5-in block prop see what get can cut shaped twisted fiddled ways can nearly always get satisfactory prop out Hnnnnn Changing subject bit people regarded innovators What ideas feel may have con tributed Peanut modeling Martin The art winning very lit tle talent concept stand-off Pea nut Scale judges 50 feet away model Coined mottos Peanuts ever sic semper Peanutus Indoor everyone non semper indoorus Mather I cant think Stark I may have started trend toward fat-fuselage models Cou gar 1963 64 Stott Took HUNGoriIla out jungle made him what today Peck believe have made easier average person build Peanut Scale modelsby offering kits have parts understandable plans construction Also designed produced precision nylon thrust bearings used great modelers Thompson Very little Peanut Scale has caught due effortsbut rather due Dave Stott other modelers have made things go Perhaps have reintroduced feeling having fun some messing about rule book propos ailing cross-proposalling having fun Just because tend slap-dash slap-happy about things hardly makes right contest record abysmal shows poverty approach enjoy myself way what models get away pres sures might cause rather re sent see increasing Continued page 162 160 Model Aviation KNIGHTS AIR PILOT BUSTS AND FULL FIGURES Perfect oldest newest next creation give plane pilot FULL FIGURES 115 CIVILIANS1Z95 1/4 CIVILIANS1495 1/3 CIVILIAN81995 NEW RELEASES 1/5 WWII US NAVY 395 1/6 WWII US AAF 195 CIVILIAN8895 specify airplane helicopter S25S shipping figwe ORDER YOURS TODAY Wiliism M Hawke 7148 Iasting Light Way Columbia MD 21045 301 730-5596 NEW RELEASE 1/5 WWII us NAVY
Edition: Model Aviation - 1984/08
Page Numbers: 64, 65, 156, 157, 160
Free Flight Duration Bob Meuser CONVENTIONAL AIRCRAFT Bob Meuser vacation weve asked veteran Free Flight fanatic Larry Kruse take reigns month veteran Free Flight modelers Larry needs no introduction however newcomers well just suggest read let Larry introduce himself BEING guest columnist has same attributes being grandparent First no expects authority figure comments noted sort bemused fashion patient reader no expects strike fire word Similarly certain amount dodder ing misdirection tolerated fum ble stumble bumble bit allow ances generally made effects longevity absent-mindedness Third importantly dont have bear consequences audacious behavior After one-shot per formance charges have gone back regular columnist four weeks down road leaving poor editor staff sort out shambles youve created Given above very pleased asked fill Bob Meuser allow him well-deserved break same vein next bit information comes under heading fools rushing m DOWNLOAD ON TAIL CAUSES DRAG LIFT * JOINEDWING AIRCRAFT * LIFT ON BOTH FLYING SURFACES REDUCES DRAG * Remember Joined-Wing concept Bob Meuser first brought attention January 1984 Issue further discMssIon March 1984 issue Larry Kruse thinks hasnt enough action column Joined-Wing concept recently hes decided stir things up pointing out interesting aspects system ALL ELEVONS DOWN * PLANE MOVES STRAIGHT UP DIRECT LIFT CONTROL Joined-wing reprise Back January year Bob presented Dr Julian Wol kovitchs patented joined-wing concept column idea worth some ex perimentation Free Flight presentation quickly followed letter Dr Wolkovitch MA March 1984 p 76 clarifying several points made Bobs original commentary Since readers havent heard anything about joined-wing concept least four months thought might just stir whole thing up again long stick see what happens recent issue Aviation Week Space Technology February 27 1984 showed photo wind tunnel test model developed Rockwell Interna tional described being dia mond-shape both plan view front view. overall configuration believed offer potential advantages terms reduced drag. direct lift side-force capability Dr Wolko vitch serving technical advisor study Two interesting potential applications joined-wing concept Free Flight purposes effects RIGHT ELEVONS UP / S ROLL CONTROL RIGHT ELEVON DOWNLEFT ELEVON UP RIGHT ELEVON UPLEFT ELEVON DOWN DIRECT SIDEFORCE CONTROL Dr Juilan Woikovitch Inventor Joined-Wing concept series sketches shows Joined-Wing aircraft could controlled use fiaperons both forward aft flying surfaces real application control defiections would have computed based surface areas center gravity location get Direct Lift Con trol Direct Side-Porce Control work unwanted vehicle motions addition 64 Model Aviation 1 LEFT ELEVONS DOWN PLANE ROLLS INTO RIGHTHAND BANK 4 PLANEMOVES SIDEWAYS Small rubber-power planes beginner just thingl left Micro-Xs new Hornet kit offers competition-caliber perfor mance easily-built design Hornet really Embryo Endurance model wheel pants exhaust pipes windshield worth bonus points model right original multi-event design Jim OReilly Wichita KS calls Convertible different combinations wings fuselages can flown Embryo Endurance Rubber Speed 7111 Kruse photos Two innovative component designs 1 Pennyplane Fulmer family South Bend IN has thirst altitudeIf Its prop blades indication foam blades discussed column R gidget atop wing Gil Morris Toothpick models electronic plane-locator mouse miniature radio transmitter encased balsa-and-tissue fairing Kruse photos George Perrymans Giant Speckled Birda truly monstrous 850-sq-ln Unlimited rubber-power modelused dual-skein rubber motor two skeins geared together exceptionally-ions motor runs consequences using geared motor curious L nose block looks odd because comes two parts prop shaft other lower motor allows both motors wound front R Discernible through access panels rear fuselage motor-coupling gear arrangement little doubler hole through glued outside fuselage planking apparently stop-rod restrains gears during winding Geared motors also help prevent CG shifts rubber unwinds Kruse photos control surfaces lift potential illustrated accompanying sketch es Results applications Free Flight models could certainly worth sharing Anyone out working joined-wing concept CO-2 Duration Curiously enough popular CO-2 motors have become last few years no Duration events have risen discernible popu larity country Asearly 1979 British cousins brought CO-2 Duration prominence have included British Nats event since 1980 event popularized not exactly clear would seem idea time has come country As advocate CO-2 power devotee both sport Scale CO-2 air craft Id like present set CO-2 Duration rules employed Great Britain rules originally developed British SMAE Society Model Air craft Engineers published Aero modeller Notice attempt en courage design development no restrictions wing area model weight Continued page 156 August 1984 65 NEW FOURMOST PRODUCTS FUSELAGE FIXTURE FOURMOST FUSELAGE FIXTURE designed AutomaticiIy align fuselage structures built strings measaring eyeballing Simply slide four centering brackets track until align mith firewall tail joint two hulkhasds Clamp fuselagetogether lightly rubberbands structure will straight track aaswitOOasmaap 9 las l5a Price 2995 Miter Master Miter Mast, tool designed enable crafts man make perfect joints wood accurately sanding pm-set angles sqoaring fence allows forprecise 90 angles end retracts below surface Any angle can set triangular guide aning adjacent side complement angle will formed making invaluable truss construction new cyanoacrylate adhesives require uccorately fitted joints achieve full strength Miter Master will enableyou make easily FOURMOST PRODUCTS 4040 24th Ave Forest Grove OR 97116 FF ScalelWarner Continued page 63 toward rear dont overdo Double check photos see peculiar discolorations chip ping have missed fin ished spray light coat clear over everything prevent smudging doing heavier variety model FF Gas might go far actually spray aluminum under coat WW II model worry away certain areas finish youve sprayed over aluminum using cotton swab has just resem blance thinner Continue until aluminum shows through Grass modeling has around long time Bamboo giant grass splitting down small strips has done since modeling invented Ulises Alvarez down Montevideo Uruguay has making models years Espartillo stem local variety grass produces fairly stiff tube dried makes leading edges trail ing edges tip outlines longerons struts landing gear legs about everything else can stuff saving balsa wing ribs prop interplane struts Peanuts fly about well balsabuilt ones too JF Frugoli Marseilles France recently sent some bonne paille de Provence local grass uses good effect fattening up landing gear struts making axles tallskid parts lot varies size stiffness well strength weight just happened notice rather large patch weeds model insinuated itself Mile Square flying site southern California Price $950 Assembled hosed 503 357-2732 reality huge model-materials farm just awaiting harvest am looking forward trying out fantastic assort ment tubular dried grass stems future models sizes range about 020 up about eighth inch might want see whats growing area put some away dry out before rains get rot sets careful bring variety bugs lady house may raise objections adventure lowtech aeromodeling Poly-Cons convicted parrots rather small polyethelene containers some rather nice features modelers available very low cost plastics supply stores see Yellow Pages hardwares supermar kets sort like containers 35mm film comes except come variety sizes have lids attached wont lose serve well mixing small amounts paint dope nothing sticks dried paint cracks off easily almost leakproof seal perfectly Before carry rubber lube dope thinner etc tool box Poly-Cons turn em upside down newspaper couple hours have found great carrying small bot tles liquids sort back-up case leak Small parts like nose bear ings pins washers like stay put big advantage no twistoff top get stuck come col ors transluscent opaque darker ones being good storing ready-lubed rubber motors identify contents little Japanese paint pens carry art stores bit thinner paper towel cleans right off change its function cant find area Plastic Mart 2101 Pico Blvd Santa Monica CA 90405 stocks say will take mail orders like weird grotesque absurd allow recommend getting touch Dave Aronstein SO Pasture Ln Poughkeepsie NY 12603 latest line plans dollar plus 20 postage includes 9-in span SR-7 1 Blackbird pusher prop 9-in-long Waterman Aerobile 15-in span Moynet Jupiter push-pull number other models Indoor fliers ranging 5tA-in-span Pottier P-l00 some ultralights fly quite well large SASE Dave will bring free list Let lightl said Will Auen Mid-Hudson Modelmasters em barked production own op tical fibers stretching heated sprue stuff thats left over after make little plastic modelin little tree form clear variety sprue will con duct light around corners entire model might lit single small bulb Picture next Scale job running lights interior lights etc lit up next club meeting attend Will uses candle flame some practice can really stretch out Some guys have making whip antenna masts way years As material comes round sec tion will cone-shaped ends holding Just cut off some point up taper far wish get right-sized light end Plastic can polished first sand ing out saw marks 600-grit wetor-dry abrasive paper using toothpaste old-fashioned variety polishig compound Well gang check rubber nicks Trexlers tacks stop drinking spar varnish Uncle Vanya died horrible end beautiful finish. Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 FF DurationlMeuser Continued page 65 type propeller used SMAE Rules CO-2 events 1 The maximum capacity car bon dioxide CO-2 tank piping system shall less 325 cubic cen timetres 01983 in3 Note Brown Humbrol Shark Telco standard single-cylinder tanks motors meet requirements rules 2 Outdoor contests competitor allowed six flights maximum score two minutes best five six will count toward final score 156 Model Aviation Indoor contests best two six flights will count No maximum flight-time 3 contest flights CO-2 system must filled bulb type filler 4 Non-standard motors tanks pip ing filling systems may used Contest Director satisfied reas onable precautions have taken en sure equipment safe British outdoor CO-2 models tend about same size Coupe dHiver rubber-power use 1/1 6-in-square open structures Indoor ships tend somewhat larg er lighter might expect Typi cal wingspans range neighborhood 40-48 inches often use mylar cover ing attempt minimize weight light events Free Flight community has attempted retain develop and/or perpetuate last few years CO-2 Duration should given due consideration example its evident us think Rocket power Jetex has gone away except Nationals level Electric Power too bit slow catch although potential certainly CO-2 Duration personal fav orite become viable event next few years has potential replace Rocket forge ahead Electric popularity due simply its lower initial cost Although am aware nation ally-published domestic designs event plans have presented Aero modeller time time should give excellent reference points domes tic development CO-2 Duration mod els new small-field Power event could make Category III contests whole lot fun Embryo 7-11 beginners Jim Kosteckys excellent Tutor MA June 1984 design intended introduce begin ners wonders Free Flight pre sents very good springboard young modelers Likewise NFFS National Free Flight Society Embryo 7-11 events can same thingor depend ing skill level builder serve next step up Tutor Two Embryo kit designs particular stand out appropriate choices beginners realm Free Flight Peck-Polymers Prairie Bird has around awhile Micro-Xs new Hornet two designs fit same requisites Tutor Structures sim ple straight-of-line strong func tional Both readily available hobby dealers can ordered rrom Peck-Polymers Box 2498-MA La vIesa CA 92041 Micro-X Products Box 1063 Loran OH 44055 Ive also included photo Jim YReillys convertible 7-11/Embryo iesign shown its Embryo configura ion manipulating combinations vings fuselages rubber design also convertible Rubber Speed triple-threat entry NFFS events too typifies models could qualify beginners ships maintaining com petition potential Foam blades Props Pennyplanes EZBs typically pretty much standard ized items far construction goes Typically blade blanks cut thin sheet balsa soaked some sort wet ting solution wrapped cylindrical form either baked remove moisure allowed air-dry variation theme has pro vided us Keith Fulmer sons Brad Bryan South Bend IN have campaigning models fitted wire sheet-foam blades As shown accompanying photo printed foam shells A&W Root Beer contain ers have chief sources props curvature container itself provides camber simple matter vary camber cutting new blades along different tangential line container wire frame blades attached wrapped glued prop hook Props made fashion extremely long-lived damage-resistant Gearing up rubber power enamored large rubber-powered planes constantly faced prob Continued page 160 August 1984 157 q 0 23961 cRAFTSMAN RD CALABASAS CA 91302TEL 213-992-0195TWX 9104945933 Scale Realism R/ C Aircraft Lightweight flexible super detailed pilot figures FF DurationlMeuser Continued page 157 1cm CG center gravity shift motor unwinds longer fuselage further motor peg CG greater chance stall under power stall glide portion flight shorten motor length either moving motor peg ward actually chopping off hank rubber youve defeated purpose having long fuselage first place George Perryman obviously faced same cascading sets problems designed gigantic Great Speckled Bird NFFS Dick Korda Open Rubber event Georges solution go gearing sytem no great shakes except George gave little unique Perryinan twist gear mechanism rear planenot front Does mean plane reverse gear George As photos show two mo tor hooks facing forward gearing mechanism immediately behind what appears ply plate metal bush ings small circular hole apparently stop-rod keep everything unraveling winding relieve undue pressure gears themselves double noseblock allows winding both motors front plane motor run snakey stuff unbelievably long cant rind notes exact length George no problem whatsoever unwound motors upsetting CG Very ingeniouswhich what have come expect George Perryman Radio Controlled Free Flight knew would get attention Actually has nothing radio controlled CIVILIAN BUSTS NOW AVAILABLE 1/3 1/4 1/5 S2OO shipping bust AT YOUR HOBBY SHOP Free Flight What does have Gil Morris Toothpicks designer use small radio transmitter mounted streamlined pod atop wing plane Gils mouse calls emits electronic beeps help him locate retrieve plane midst jungle-like growth sometimes have fly Gil reports good success device Im sure hed happy supply details about exact components sent SASE self-addressed stamped envelope Gilbert Morris 2810 Brackey Rd Columbus OH 43220 Nickels roll cause theyre round niftiest hints Ive encountered comes Jerry Skrjanc Mi cro-X man Ive always trouble mak ing small wheels sheet balsa lamina tions same just never seems can get finish up round Regard less carefully cut out some lose sanding process wheel takes its own whopperjawed characteristics late game next time youre faced wheel-making task sandwich wheel blank between two coins appropri ate size sand right down metal Neat huh pinch coins tightly enough easy task Free Flight ers theres just no way can wrong Speaking wheels its time wheel out let Bob Meuser return accustomed revered place next month hope Ill get meet along contest trail season Free Flight forever address Larry Kruse Box 1137 Liberal KS 67901 Photos drawings correspondence dealing Free Flight sub jects should continue sent 1 regular Contributing Editor Bob Meuser 4200 Gregory St Oakland CA 94619 Peanut ParsylHannan Continued page 69 prop great duration sure looks like bleep Mather The plastic props available about good anyone can make Wil liams Brothers props cut down neces sary excellent Stark Start plastic prop get airplane trimmed Measure thrust prop rubber size works make wooden props per form better plastic Peck Past experience guide choose large diameter will clear ROG usually cutting down longer prop blade area general like use plastic props necessary will carve wooden prop obtain pitch area desire competition light model prefer high-pitch prop larger area blade Stott First try like worked similar model Thompson Carve 5-in block prop see what get can cut shaped twisted fiddled ways can nearly always get satisfactory prop out Hnnnnn Changing subject bit people regarded innovators What ideas feel may have con tributed Peanut modeling Martin The art winning very lit tle talent concept stand-off Pea nut Scale judges 50 feet away model Coined mottos Peanuts ever sic semper Peanutus Indoor everyone non semper indoorus Mather I cant think Stark I may have started trend toward fat-fuselage models Cou gar 1963 64 Stott Took HUNGoriIla out jungle made him what today Peck believe have made easier average person build Peanut Scale modelsby offering kits have parts understandable plans construction Also designed produced precision nylon thrust bearings used great modelers Thompson Very little Peanut Scale has caught due effortsbut rather due Dave Stott other modelers have made things go Perhaps have reintroduced feeling having fun some messing about rule book propos ailing cross-proposalling having fun Just because tend slap-dash slap-happy about things hardly makes right contest record abysmal shows poverty approach enjoy myself way what models get away pres sures might cause rather re sent see increasing Continued page 162 160 Model Aviation KNIGHTS AIR PILOT BUSTS AND FULL FIGURES Perfect oldest newest next creation give plane pilot FULL FIGURES 115 CIVILIANS1Z95 1/4 CIVILIANS1495 1/3 CIVILIAN81995 NEW RELEASES 1/5 WWII US NAVY 395 1/6 WWII US AAF 195 CIVILIAN8895 specify airplane helicopter S25S shipping figwe ORDER YOURS TODAY Wiliism M Hawke 7148 Iasting Light Way Columbia MD 21045 301 730-5596 NEW RELEASE 1/5 WWII us NAVY
Edition: Model Aviation - 1984/08
Page Numbers: 64, 65, 156, 157, 160
Free Flight Duration Bob Meuser CONVENTIONAL AIRCRAFT Bob Meuser vacation weve asked veteran Free Flight fanatic Larry Kruse take reigns month veteran Free Flight modelers Larry needs no introduction however newcomers well just suggest read let Larry introduce himself BEING guest columnist has same attributes being grandparent First no expects authority figure comments noted sort bemused fashion patient reader no expects strike fire word Similarly certain amount dodder ing misdirection tolerated fum ble stumble bumble bit allow ances generally made effects longevity absent-mindedness Third importantly dont have bear consequences audacious behavior After one-shot per formance charges have gone back regular columnist four weeks down road leaving poor editor staff sort out shambles youve created Given above very pleased asked fill Bob Meuser allow him well-deserved break same vein next bit information comes under heading fools rushing m DOWNLOAD ON TAIL CAUSES DRAG LIFT * JOINEDWING AIRCRAFT * LIFT ON BOTH FLYING SURFACES REDUCES DRAG * Remember Joined-Wing concept Bob Meuser first brought attention January 1984 Issue further discMssIon March 1984 issue Larry Kruse thinks hasnt enough action column Joined-Wing concept recently hes decided stir things up pointing out interesting aspects system ALL ELEVONS DOWN * PLANE MOVES STRAIGHT UP DIRECT LIFT CONTROL Joined-wing reprise Back January year Bob presented Dr Julian Wol kovitchs patented joined-wing concept column idea worth some ex perimentation Free Flight presentation quickly followed letter Dr Wolkovitch MA March 1984 p 76 clarifying several points made Bobs original commentary Since readers havent heard anything about joined-wing concept least four months thought might just stir whole thing up again long stick see what happens recent issue Aviation Week Space Technology February 27 1984 showed photo wind tunnel test model developed Rockwell Interna tional described being dia mond-shape both plan view front view. overall configuration believed offer potential advantages terms reduced drag. direct lift side-force capability Dr Wolko vitch serving technical advisor study Two interesting potential applications joined-wing concept Free Flight purposes effects RIGHT ELEVONS UP / S ROLL CONTROL RIGHT ELEVON DOWNLEFT ELEVON UP RIGHT ELEVON UPLEFT ELEVON DOWN DIRECT SIDEFORCE CONTROL Dr Juilan Woikovitch Inventor Joined-Wing concept series sketches shows Joined-Wing aircraft could controlled use fiaperons both forward aft flying surfaces real application control defiections would have computed based surface areas center gravity location get Direct Lift Con trol Direct Side-Porce Control work unwanted vehicle motions addition 64 Model Aviation 1 LEFT ELEVONS DOWN PLANE ROLLS INTO RIGHTHAND BANK 4 PLANEMOVES SIDEWAYS Small rubber-power planes beginner just thingl left Micro-Xs new Hornet kit offers competition-caliber perfor mance easily-built design Hornet really Embryo Endurance model wheel pants exhaust pipes windshield worth bonus points model right original multi-event design Jim OReilly Wichita KS calls Convertible different combinations wings fuselages can flown Embryo Endurance Rubber Speed 7111 Kruse photos Two innovative component designs 1 Pennyplane Fulmer family South Bend IN has thirst altitudeIf Its prop blades indication foam blades discussed column R gidget atop wing Gil Morris Toothpick models electronic plane-locator mouse miniature radio transmitter encased balsa-and-tissue fairing Kruse photos George Perrymans Giant Speckled Birda truly monstrous 850-sq-ln Unlimited rubber-power modelused dual-skein rubber motor two skeins geared together exceptionally-ions motor runs consequences using geared motor curious L nose block looks odd because comes two parts prop shaft other lower motor allows both motors wound front R Discernible through access panels rear fuselage motor-coupling gear arrangement little doubler hole through glued outside fuselage planking apparently stop-rod restrains gears during winding Geared motors also help prevent CG shifts rubber unwinds Kruse photos control surfaces lift potential illustrated accompanying sketch es Results applications Free Flight models could certainly worth sharing Anyone out working joined-wing concept CO-2 Duration Curiously enough popular CO-2 motors have become last few years no Duration events have risen discernible popu larity country Asearly 1979 British cousins brought CO-2 Duration prominence have included British Nats event since 1980 event popularized not exactly clear would seem idea time has come country As advocate CO-2 power devotee both sport Scale CO-2 air craft Id like present set CO-2 Duration rules employed Great Britain rules originally developed British SMAE Society Model Air craft Engineers published Aero modeller Notice attempt en courage design development no restrictions wing area model weight Continued page 156 August 1984 65 NEW FOURMOST PRODUCTS FUSELAGE FIXTURE FOURMOST FUSELAGE FIXTURE designed AutomaticiIy align fuselage structures built strings measaring eyeballing Simply slide four centering brackets track until align mith firewall tail joint two hulkhasds Clamp fuselagetogether lightly rubberbands structure will straight track aaswitOOasmaap 9 las l5a Price 2995 Miter Master Miter Mast, tool designed enable crafts man make perfect joints wood accurately sanding pm-set angles sqoaring fence allows forprecise 90 angles end retracts below surface Any angle can set triangular guide aning adjacent side complement angle will formed making invaluable truss construction new cyanoacrylate adhesives require uccorately fitted joints achieve full strength Miter Master will enableyou make easily FOURMOST PRODUCTS 4040 24th Ave Forest Grove OR 97116 FF ScalelWarner Continued page 63 toward rear dont overdo Double check photos see peculiar discolorations chip ping have missed fin ished spray light coat clear over everything prevent smudging doing heavier variety model FF Gas might go far actually spray aluminum under coat WW II model worry away certain areas finish youve sprayed over aluminum using cotton swab has just resem blance thinner Continue until aluminum shows through Grass modeling has around long time Bamboo giant grass splitting down small strips has done since modeling invented Ulises Alvarez down Montevideo Uruguay has making models years Espartillo stem local variety grass produces fairly stiff tube dried makes leading edges trail ing edges tip outlines longerons struts landing gear legs about everything else can stuff saving balsa wing ribs prop interplane struts Peanuts fly about well balsabuilt ones too JF Frugoli Marseilles France recently sent some bonne paille de Provence local grass uses good effect fattening up landing gear struts making axles tallskid parts lot varies size stiffness well strength weight just happened notice rather large patch weeds model insinuated itself Mile Square flying site southern California Price $950 Assembled hosed 503 357-2732 reality huge model-materials farm just awaiting harvest am looking forward trying out fantastic assort ment tubular dried grass stems future models sizes range about 020 up about eighth inch might want see whats growing area put some away dry out before rains get rot sets careful bring variety bugs lady house may raise objections adventure lowtech aeromodeling Poly-Cons convicted parrots rather small polyethelene containers some rather nice features modelers available very low cost plastics supply stores see Yellow Pages hardwares supermar kets sort like containers 35mm film comes except come variety sizes have lids attached wont lose serve well mixing small amounts paint dope nothing sticks dried paint cracks off easily almost leakproof seal perfectly Before carry rubber lube dope thinner etc tool box Poly-Cons turn em upside down newspaper couple hours have found great carrying small bot tles liquids sort back-up case leak Small parts like nose bear ings pins washers like stay put big advantage no twistoff top get stuck come col ors transluscent opaque darker ones being good storing ready-lubed rubber motors identify contents little Japanese paint pens carry art stores bit thinner paper towel cleans right off change its function cant find area Plastic Mart 2101 Pico Blvd Santa Monica CA 90405 stocks say will take mail orders like weird grotesque absurd allow recommend getting touch Dave Aronstein SO Pasture Ln Poughkeepsie NY 12603 latest line plans dollar plus 20 postage includes 9-in span SR-7 1 Blackbird pusher prop 9-in-long Waterman Aerobile 15-in span Moynet Jupiter push-pull number other models Indoor fliers ranging 5tA-in-span Pottier P-l00 some ultralights fly quite well large SASE Dave will bring free list Let lightl said Will Auen Mid-Hudson Modelmasters em barked production own op tical fibers stretching heated sprue stuff thats left over after make little plastic modelin little tree form clear variety sprue will con duct light around corners entire model might lit single small bulb Picture next Scale job running lights interior lights etc lit up next club meeting attend Will uses candle flame some practice can really stretch out Some guys have making whip antenna masts way years As material comes round sec tion will cone-shaped ends holding Just cut off some point up taper far wish get right-sized light end Plastic can polished first sand ing out saw marks 600-grit wetor-dry abrasive paper using toothpaste old-fashioned variety polishig compound Well gang check rubber nicks Trexlers tacks stop drinking spar varnish Uncle Vanya died horrible end beautiful finish. Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 FF DurationlMeuser Continued page 65 type propeller used SMAE Rules CO-2 events 1 The maximum capacity car bon dioxide CO-2 tank piping system shall less 325 cubic cen timetres 01983 in3 Note Brown Humbrol Shark Telco standard single-cylinder tanks motors meet requirements rules 2 Outdoor contests competitor allowed six flights maximum score two minutes best five six will count toward final score 156 Model Aviation Indoor contests best two six flights will count No maximum flight-time 3 contest flights CO-2 system must filled bulb type filler 4 Non-standard motors tanks pip ing filling systems may used Contest Director satisfied reas onable precautions have taken en sure equipment safe British outdoor CO-2 models tend about same size Coupe dHiver rubber-power use 1/1 6-in-square open structures Indoor ships tend somewhat larg er lighter might expect Typi cal wingspans range neighborhood 40-48 inches often use mylar cover ing attempt minimize weight light events Free Flight community has attempted retain develop and/or perpetuate last few years CO-2 Duration should given due consideration example its evident us think Rocket power Jetex has gone away except Nationals level Electric Power too bit slow catch although potential certainly CO-2 Duration personal fav orite become viable event next few years has potential replace Rocket forge ahead Electric popularity due simply its lower initial cost Although am aware nation ally-published domestic designs event plans have presented Aero modeller time time should give excellent reference points domes tic development CO-2 Duration mod els new small-field Power event could make Category III contests whole lot fun Embryo 7-11 beginners Jim Kosteckys excellent Tutor MA June 1984 design intended introduce begin ners wonders Free Flight pre sents very good springboard young modelers Likewise NFFS National Free Flight Society Embryo 7-11 events can same thingor depend ing skill level builder serve next step up Tutor Two Embryo kit designs particular stand out appropriate choices beginners realm Free Flight Peck-Polymers Prairie Bird has around awhile Micro-Xs new Hornet two designs fit same requisites Tutor Structures sim ple straight-of-line strong func tional Both readily available hobby dealers can ordered rrom Peck-Polymers Box 2498-MA La vIesa CA 92041 Micro-X Products Box 1063 Loran OH 44055 Ive also included photo Jim YReillys convertible 7-11/Embryo iesign shown its Embryo configura ion manipulating combinations vings fuselages rubber design also convertible Rubber Speed triple-threat entry NFFS events too typifies models could qualify beginners ships maintaining com petition potential Foam blades Props Pennyplanes EZBs typically pretty much standard ized items far construction goes Typically blade blanks cut thin sheet balsa soaked some sort wet ting solution wrapped cylindrical form either baked remove moisure allowed air-dry variation theme has pro vided us Keith Fulmer sons Brad Bryan South Bend IN have campaigning models fitted wire sheet-foam blades As shown accompanying photo printed foam shells A&W Root Beer contain ers have chief sources props curvature container itself provides camber simple matter vary camber cutting new blades along different tangential line container wire frame blades attached wrapped glued prop hook Props made fashion extremely long-lived damage-resistant Gearing up rubber power enamored large rubber-powered planes constantly faced prob Continued page 160 August 1984 157 q 0 23961 cRAFTSMAN RD CALABASAS CA 91302TEL 213-992-0195TWX 9104945933 Scale Realism R/ C Aircraft Lightweight flexible super detailed pilot figures FF DurationlMeuser Continued page 157 1cm CG center gravity shift motor unwinds longer fuselage further motor peg CG greater chance stall under power stall glide portion flight shorten motor length either moving motor peg ward actually chopping off hank rubber youve defeated purpose having long fuselage first place George Perryman obviously faced same cascading sets problems designed gigantic Great Speckled Bird NFFS Dick Korda Open Rubber event Georges solution go gearing sytem no great shakes except George gave little unique Perryinan twist gear mechanism rear planenot front Does mean plane reverse gear George As photos show two mo tor hooks facing forward gearing mechanism immediately behind what appears ply plate metal bush ings small circular hole apparently stop-rod keep everything unraveling winding relieve undue pressure gears themselves double noseblock allows winding both motors front plane motor run snakey stuff unbelievably long cant rind notes exact length George no problem whatsoever unwound motors upsetting CG Very ingeniouswhich what have come expect George Perryman Radio Controlled Free Flight knew would get attention Actually has nothing radio controlled CIVILIAN BUSTS NOW AVAILABLE 1/3 1/4 1/5 S2OO shipping bust AT YOUR HOBBY SHOP Free Flight What does have Gil Morris Toothpicks designer use small radio transmitter mounted streamlined pod atop wing plane Gils mouse calls emits electronic beeps help him locate retrieve plane midst jungle-like growth sometimes have fly Gil reports good success device Im sure hed happy supply details about exact components sent SASE self-addressed stamped envelope Gilbert Morris 2810 Brackey Rd Columbus OH 43220 Nickels roll cause theyre round niftiest hints Ive encountered comes Jerry Skrjanc Mi cro-X man Ive always trouble mak ing small wheels sheet balsa lamina tions same just never seems can get finish up round Regard less carefully cut out some lose sanding process wheel takes its own whopperjawed characteristics late game next time youre faced wheel-making task sandwich wheel blank between two coins appropri ate size sand right down metal Neat huh pinch coins tightly enough easy task Free Flight ers theres just no way can wrong Speaking wheels its time wheel out let Bob Meuser return accustomed revered place next month hope Ill get meet along contest trail season Free Flight forever address Larry Kruse Box 1137 Liberal KS 67901 Photos drawings correspondence dealing Free Flight sub jects should continue sent 1 regular Contributing Editor Bob Meuser 4200 Gregory St Oakland CA 94619 Peanut ParsylHannan Continued page 69 prop great duration sure looks like bleep Mather The plastic props available about good anyone can make Wil liams Brothers props cut down neces sary excellent Stark Start plastic prop get airplane trimmed Measure thrust prop rubber size works make wooden props per form better plastic Peck Past experience guide choose large diameter will clear ROG usually cutting down longer prop blade area general like use plastic props necessary will carve wooden prop obtain pitch area desire competition light model prefer high-pitch prop larger area blade Stott First try like worked similar model Thompson Carve 5-in block prop see what get can cut shaped twisted fiddled ways can nearly always get satisfactory prop out Hnnnnn Changing subject bit people regarded innovators What ideas feel may have con tributed Peanut modeling Martin The art winning very lit tle talent concept stand-off Pea nut Scale judges 50 feet away model Coined mottos Peanuts ever sic semper Peanutus Indoor everyone non semper indoorus Mather I cant think Stark I may have started trend toward fat-fuselage models Cou gar 1963 64 Stott Took HUNGoriIla out jungle made him what today Peck believe have made easier average person build Peanut Scale modelsby offering kits have parts understandable plans construction Also designed produced precision nylon thrust bearings used great modelers Thompson Very little Peanut Scale has caught due effortsbut rather due Dave Stott other modelers have made things go Perhaps have reintroduced feeling having fun some messing about rule book propos ailing cross-proposalling having fun Just because tend slap-dash slap-happy about things hardly makes right contest record abysmal shows poverty approach enjoy myself way what models get away pres sures might cause rather re sent see increasing Continued page 162 160 Model Aviation KNIGHTS AIR PILOT BUSTS AND FULL FIGURES Perfect oldest newest next creation give plane pilot FULL FIGURES 115 CIVILIANS1Z95 1/4 CIVILIANS1495 1/3 CIVILIAN81995 NEW RELEASES 1/5 WWII US NAVY 395 1/6 WWII US AAF 195 CIVILIAN8895 specify airplane helicopter S25S shipping figwe ORDER YOURS TODAY Wiliism M Hawke 7148 Iasting Light Way Columbia MD 21045 301 730-5596 NEW RELEASE 1/5 WWII us NAVY
Edition: Model Aviation - 1984/08
Page Numbers: 64, 65, 156, 157, 160
Free Flight Duration Bob Meuser CONVENTIONAL AIRCRAFT Bob Meuser vacation weve asked veteran Free Flight fanatic Larry Kruse take reigns month veteran Free Flight modelers Larry needs no introduction however newcomers well just suggest read let Larry introduce himself BEING guest columnist has same attributes being grandparent First no expects authority figure comments noted sort bemused fashion patient reader no expects strike fire word Similarly certain amount dodder ing misdirection tolerated fum ble stumble bumble bit allow ances generally made effects longevity absent-mindedness Third importantly dont have bear consequences audacious behavior After one-shot per formance charges have gone back regular columnist four weeks down road leaving poor editor staff sort out shambles youve created Given above very pleased asked fill Bob Meuser allow him well-deserved break same vein next bit information comes under heading fools rushing m DOWNLOAD ON TAIL CAUSES DRAG LIFT * JOINEDWING AIRCRAFT * LIFT ON BOTH FLYING SURFACES REDUCES DRAG * Remember Joined-Wing concept Bob Meuser first brought attention January 1984 Issue further discMssIon March 1984 issue Larry Kruse thinks hasnt enough action column Joined-Wing concept recently hes decided stir things up pointing out interesting aspects system ALL ELEVONS DOWN * PLANE MOVES STRAIGHT UP DIRECT LIFT CONTROL Joined-wing reprise Back January year Bob presented Dr Julian Wol kovitchs patented joined-wing concept column idea worth some ex perimentation Free Flight presentation quickly followed letter Dr Wolkovitch MA March 1984 p 76 clarifying several points made Bobs original commentary Since readers havent heard anything about joined-wing concept least four months thought might just stir whole thing up again long stick see what happens recent issue Aviation Week Space Technology February 27 1984 showed photo wind tunnel test model developed Rockwell Interna tional described being dia mond-shape both plan view front view. overall configuration believed offer potential advantages terms reduced drag. direct lift side-force capability Dr Wolko vitch serving technical advisor study Two interesting potential applications joined-wing concept Free Flight purposes effects RIGHT ELEVONS UP / S ROLL CONTROL RIGHT ELEVON DOWNLEFT ELEVON UP RIGHT ELEVON UPLEFT ELEVON DOWN DIRECT SIDEFORCE CONTROL Dr Juilan Woikovitch Inventor Joined-Wing concept series sketches shows Joined-Wing aircraft could controlled use fiaperons both forward aft flying surfaces real application control defiections would have computed based surface areas center gravity location get Direct Lift Con trol Direct Side-Porce Control work unwanted vehicle motions addition 64 Model Aviation 1 LEFT ELEVONS DOWN PLANE ROLLS INTO RIGHTHAND BANK 4 PLANEMOVES SIDEWAYS Small rubber-power planes beginner just thingl left Micro-Xs new Hornet kit offers competition-caliber perfor mance easily-built design Hornet really Embryo Endurance model wheel pants exhaust pipes windshield worth bonus points model right original multi-event design Jim OReilly Wichita KS calls Convertible different combinations wings fuselages can flown Embryo Endurance Rubber Speed 7111 Kruse photos Two innovative component designs 1 Pennyplane Fulmer family South Bend IN has thirst altitudeIf Its prop blades indication foam blades discussed column R gidget atop wing Gil Morris Toothpick models electronic plane-locator mouse miniature radio transmitter encased balsa-and-tissue fairing Kruse photos George Perrymans Giant Speckled Birda truly monstrous 850-sq-ln Unlimited rubber-power modelused dual-skein rubber motor two skeins geared together exceptionally-ions motor runs consequences using geared motor curious L nose block looks odd because comes two parts prop shaft other lower motor allows both motors wound front R Discernible through access panels rear fuselage motor-coupling gear arrangement little doubler hole through glued outside fuselage planking apparently stop-rod restrains gears during winding Geared motors also help prevent CG shifts rubber unwinds Kruse photos control surfaces lift potential illustrated accompanying sketch es Results applications Free Flight models could certainly worth sharing Anyone out working joined-wing concept CO-2 Duration Curiously enough popular CO-2 motors have become last few years no Duration events have risen discernible popu larity country Asearly 1979 British cousins brought CO-2 Duration prominence have included British Nats event since 1980 event popularized not exactly clear would seem idea time has come country As advocate CO-2 power devotee both sport Scale CO-2 air craft Id like present set CO-2 Duration rules employed Great Britain rules originally developed British SMAE Society Model Air craft Engineers published Aero modeller Notice attempt en courage design development no restrictions wing area model weight Continued page 156 August 1984 65 NEW FOURMOST PRODUCTS FUSELAGE FIXTURE FOURMOST FUSELAGE FIXTURE designed AutomaticiIy align fuselage structures built strings measaring eyeballing Simply slide four centering brackets track until align mith firewall tail joint two hulkhasds Clamp fuselagetogether lightly rubberbands structure will straight track aaswitOOasmaap 9 las l5a Price 2995 Miter Master Miter Mast, tool designed enable crafts man make perfect joints wood accurately sanding pm-set angles sqoaring fence allows forprecise 90 angles end retracts below surface Any angle can set triangular guide aning adjacent side complement angle will formed making invaluable truss construction new cyanoacrylate adhesives require uccorately fitted joints achieve full strength Miter Master will enableyou make easily FOURMOST PRODUCTS 4040 24th Ave Forest Grove OR 97116 FF ScalelWarner Continued page 63 toward rear dont overdo Double check photos see peculiar discolorations chip ping have missed fin ished spray light coat clear over everything prevent smudging doing heavier variety model FF Gas might go far actually spray aluminum under coat WW II model worry away certain areas finish youve sprayed over aluminum using cotton swab has just resem blance thinner Continue until aluminum shows through Grass modeling has around long time Bamboo giant grass splitting down small strips has done since modeling invented Ulises Alvarez down Montevideo Uruguay has making models years Espartillo stem local variety grass produces fairly stiff tube dried makes leading edges trail ing edges tip outlines longerons struts landing gear legs about everything else can stuff saving balsa wing ribs prop interplane struts Peanuts fly about well balsabuilt ones too JF Frugoli Marseilles France recently sent some bonne paille de Provence local grass uses good effect fattening up landing gear struts making axles tallskid parts lot varies size stiffness well strength weight just happened notice rather large patch weeds model insinuated itself Mile Square flying site southern California Price $950 Assembled hosed 503 357-2732 reality huge model-materials farm just awaiting harvest am looking forward trying out fantastic assort ment tubular dried grass stems future models sizes range about 020 up about eighth inch might want see whats growing area put some away dry out before rains get rot sets careful bring variety bugs lady house may raise objections adventure lowtech aeromodeling Poly-Cons convicted parrots rather small polyethelene containers some rather nice features modelers available very low cost plastics supply stores see Yellow Pages hardwares supermar kets sort like containers 35mm film comes except come variety sizes have lids attached wont lose serve well mixing small amounts paint dope nothing sticks dried paint cracks off easily almost leakproof seal perfectly Before carry rubber lube dope thinner etc tool box Poly-Cons turn em upside down newspaper couple hours have found great carrying small bot tles liquids sort back-up case leak Small parts like nose bear ings pins washers like stay put big advantage no twistoff top get stuck come col ors transluscent opaque darker ones being good storing ready-lubed rubber motors identify contents little Japanese paint pens carry art stores bit thinner paper towel cleans right off change its function cant find area Plastic Mart 2101 Pico Blvd Santa Monica CA 90405 stocks say will take mail orders like weird grotesque absurd allow recommend getting touch Dave Aronstein SO Pasture Ln Poughkeepsie NY 12603 latest line plans dollar plus 20 postage includes 9-in span SR-7 1 Blackbird pusher prop 9-in-long Waterman Aerobile 15-in span Moynet Jupiter push-pull number other models Indoor fliers ranging 5tA-in-span Pottier P-l00 some ultralights fly quite well large SASE Dave will bring free list Let lightl said Will Auen Mid-Hudson Modelmasters em barked production own op tical fibers stretching heated sprue stuff thats left over after make little plastic modelin little tree form clear variety sprue will con duct light around corners entire model might lit single small bulb Picture next Scale job running lights interior lights etc lit up next club meeting attend Will uses candle flame some practice can really stretch out Some guys have making whip antenna masts way years As material comes round sec tion will cone-shaped ends holding Just cut off some point up taper far wish get right-sized light end Plastic can polished first sand ing out saw marks 600-grit wetor-dry abrasive paper using toothpaste old-fashioned variety polishig compound Well gang check rubber nicks Trexlers tacks stop drinking spar varnish Uncle Vanya died horrible end beautiful finish. Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 FF DurationlMeuser Continued page 65 type propeller used SMAE Rules CO-2 events 1 The maximum capacity car bon dioxide CO-2 tank piping system shall less 325 cubic cen timetres 01983 in3 Note Brown Humbrol Shark Telco standard single-cylinder tanks motors meet requirements rules 2 Outdoor contests competitor allowed six flights maximum score two minutes best five six will count toward final score 156 Model Aviation Indoor contests best two six flights will count No maximum flight-time 3 contest flights CO-2 system must filled bulb type filler 4 Non-standard motors tanks pip ing filling systems may used Contest Director satisfied reas onable precautions have taken en sure equipment safe British outdoor CO-2 models tend about same size Coupe dHiver rubber-power use 1/1 6-in-square open structures Indoor ships tend somewhat larg er lighter might expect Typi cal wingspans range neighborhood 40-48 inches often use mylar cover ing attempt minimize weight light events Free Flight community has attempted retain develop and/or perpetuate last few years CO-2 Duration should given due consideration example its evident us think Rocket power Jetex has gone away except Nationals level Electric Power too bit slow catch although potential certainly CO-2 Duration personal fav orite become viable event next few years has potential replace Rocket forge ahead Electric popularity due simply its lower initial cost Although am aware nation ally-published domestic designs event plans have presented Aero modeller time time should give excellent reference points domes tic development CO-2 Duration mod els new small-field Power event could make Category III contests whole lot fun Embryo 7-11 beginners Jim Kosteckys excellent Tutor MA June 1984 design intended introduce begin ners wonders Free Flight pre sents very good springboard young modelers Likewise NFFS National Free Flight Society Embryo 7-11 events can same thingor depend ing skill level builder serve next step up Tutor Two Embryo kit designs particular stand out appropriate choices beginners realm Free Flight Peck-Polymers Prairie Bird has around awhile Micro-Xs new Hornet two designs fit same requisites Tutor Structures sim ple straight-of-line strong func tional Both readily available hobby dealers can ordered rrom Peck-Polymers Box 2498-MA La vIesa CA 92041 Micro-X Products Box 1063 Loran OH 44055 Ive also included photo Jim YReillys convertible 7-11/Embryo iesign shown its Embryo configura ion manipulating combinations vings fuselages rubber design also convertible Rubber Speed triple-threat entry NFFS events too typifies models could qualify beginners ships maintaining com petition potential Foam blades Props Pennyplanes EZBs typically pretty much standard ized items far construction goes Typically blade blanks cut thin sheet balsa soaked some sort wet ting solution wrapped cylindrical form either baked remove moisure allowed air-dry variation theme has pro vided us Keith Fulmer sons Brad Bryan South Bend IN have campaigning models fitted wire sheet-foam blades As shown accompanying photo printed foam shells A&W Root Beer contain ers have chief sources props curvature container itself provides camber simple matter vary camber cutting new blades along different tangential line container wire frame blades attached wrapped glued prop hook Props made fashion extremely long-lived damage-resistant Gearing up rubber power enamored large rubber-powered planes constantly faced prob Continued page 160 August 1984 157 q 0 23961 cRAFTSMAN RD CALABASAS CA 91302TEL 213-992-0195TWX 9104945933 Scale Realism R/ C Aircraft Lightweight flexible super detailed pilot figures FF DurationlMeuser Continued page 157 1cm CG center gravity shift motor unwinds longer fuselage further motor peg CG greater chance stall under power stall glide portion flight shorten motor length either moving motor peg ward actually chopping off hank rubber youve defeated purpose having long fuselage first place George Perryman obviously faced same cascading sets problems designed gigantic Great Speckled Bird NFFS Dick Korda Open Rubber event Georges solution go gearing sytem no great shakes except George gave little unique Perryinan twist gear mechanism rear planenot front Does mean plane reverse gear George As photos show two mo tor hooks facing forward gearing mechanism immediately behind what appears ply plate metal bush ings small circular hole apparently stop-rod keep everything unraveling winding relieve undue pressure gears themselves double noseblock allows winding both motors front plane motor run snakey stuff unbelievably long cant rind notes exact length George no problem whatsoever unwound motors upsetting CG Very ingeniouswhich what have come expect George Perryman Radio Controlled Free Flight knew would get attention Actually has nothing radio controlled CIVILIAN BUSTS NOW AVAILABLE 1/3 1/4 1/5 S2OO shipping bust AT YOUR HOBBY SHOP Free Flight What does have Gil Morris Toothpicks designer use small radio transmitter mounted streamlined pod atop wing plane Gils mouse calls emits electronic beeps help him locate retrieve plane midst jungle-like growth sometimes have fly Gil reports good success device Im sure hed happy supply details about exact components sent SASE self-addressed stamped envelope Gilbert Morris 2810 Brackey Rd Columbus OH 43220 Nickels roll cause theyre round niftiest hints Ive encountered comes Jerry Skrjanc Mi cro-X man Ive always trouble mak ing small wheels sheet balsa lamina tions same just never seems can get finish up round Regard less carefully cut out some lose sanding process wheel takes its own whopperjawed characteristics late game next time youre faced wheel-making task sandwich wheel blank between two coins appropri ate size sand right down metal Neat huh pinch coins tightly enough easy task Free Flight ers theres just no way can wrong Speaking wheels its time wheel out let Bob Meuser return accustomed revered place next month hope Ill get meet along contest trail season Free Flight forever address Larry Kruse Box 1137 Liberal KS 67901 Photos drawings correspondence dealing Free Flight sub jects should continue sent 1 regular Contributing Editor Bob Meuser 4200 Gregory St Oakland CA 94619 Peanut ParsylHannan Continued page 69 prop great duration sure looks like bleep Mather The plastic props available about good anyone can make Wil liams Brothers props cut down neces sary excellent Stark Start plastic prop get airplane trimmed Measure thrust prop rubber size works make wooden props per form better plastic Peck Past experience guide choose large diameter will clear ROG usually cutting down longer prop blade area general like use plastic props necessary will carve wooden prop obtain pitch area desire competition light model prefer high-pitch prop larger area blade Stott First try like worked similar model Thompson Carve 5-in block prop see what get can cut shaped twisted fiddled ways can nearly always get satisfactory prop out Hnnnnn Changing subject bit people regarded innovators What ideas feel may have con tributed Peanut modeling Martin The art winning very lit tle talent concept stand-off Pea nut Scale judges 50 feet away model Coined mottos Peanuts ever sic semper Peanutus Indoor everyone non semper indoorus Mather I cant think Stark I may have started trend toward fat-fuselage models Cou gar 1963 64 Stott Took HUNGoriIla out jungle made him what today Peck believe have made easier average person build Peanut Scale modelsby offering kits have parts understandable plans construction Also designed produced precision nylon thrust bearings used great modelers Thompson Very little Peanut Scale has caught due effortsbut rather due Dave Stott other modelers have made things go Perhaps have reintroduced feeling having fun some messing about rule book propos ailing cross-proposalling having fun Just because tend slap-dash slap-happy about things hardly makes right contest record abysmal shows poverty approach enjoy myself way what models get away pres sures might cause rather re sent see increasing Continued page 162 160 Model Aviation KNIGHTS AIR PILOT BUSTS AND FULL FIGURES Perfect oldest newest next creation give plane pilot FULL FIGURES 115 CIVILIANS1Z95 1/4 CIVILIANS1495 1/3 CIVILIAN81995 NEW RELEASES 1/5 WWII US NAVY 395 1/6 WWII US AAF 195 CIVILIAN8895 specify airplane helicopter S25S shipping figwe ORDER YOURS TODAY Wiliism M Hawke 7148 Iasting Light Way Columbia MD 21045 301 730-5596 NEW RELEASE 1/5 WWII us NAVY