REFLECTIONS yet another Monster Meet Mecca case Max-Men FAI 14rounder Taft CA last February Because both designated contest 88 World Cup Championships place qualify October US FAI team finals Seguin TX entry very high combined 86 categories US states represented well few countries Canada largest contingent foreign entries Two traveled Spain did couple rael score sheets read very much like Whos Free Flight Statistically results very interesting Thirty Nordic pilots fought three flyoff round positions Hector Diez Jim Bradley Matt Gewain stayed clean through 14 rounds Bradley sweeping first Only two 40 en trants maxed out Wakefield leaving flyoff Joe Foster Walt Ghio Ghio win ner rather difficult air FlC Power real gut-grabber seven maxing Out Archer Cooney Galbreath Happersett Kerger Kogar Phair Roger Simpson face off under cool skies strong drift Things went six-minute brink tween Archer Simpson Randy suffered slight engine overrun flew backup ship 443 Simpson cleared six minutes easily top place Both competing new very high-tech pieces equipment per formed flawlessly up latest FiC standards occurred under watchful eyes Contest Director Lee Hines noted Nordic designer Tafts future always thrill Taft venue wonders about long run considering new structures looming horizonparticularly direction normal drift Although does appear immediate threat Free Flight haven scribe will dig subject during US Free Flight Championships May will duly re port born Morgan Rockefeller rather Oldenkamp would buy joint outright ensure eternal joy Martyn Cowleys four-hour FlA wings Mr Cowley noted aerojournalist photographer Towline enthusiast being blessed several years experience Paul MacCready group has done something very decent think all-foam Nordic wings Hes possibly inno vated bit breakthrough process Re membering Ron St Jeans Structureless Foam Composite articles wondered Eu reka would occur Rons process appealing did have disadvantage tending soak up humidity occasion needed airtight top membrane prevent things going limp As recall used Mylar heat-shrink meat wrap end dif ficulties us picked system up Martyns process really does job whole lot faster well First cores hot wired inexpensive builders foam white lb per cu ft blue stuff two lb per cu ft appropriate planforms ner mains split accept full-depth spruce balsa spar bits put together over cut outs white glue Polyhedral/dihedral joints 60 Model Aviation Free Flight Duration John Oldenkamp 3331 Adams Ave San DIego CA 92116 Bernard Crowe Dana Pt CA Max- Al Piserchia supplied front end Men FAI Annual piece smoldering punk Crowes Wakefield Prop blades hub end light DT hand watches good air reinforced carbon-fiber mat Prop Plane new gorgeous made old taches hanger threaded aluminum fashioned way except carbon-fiber mo stud Replaceable spinner seals off tor tube off-the-shelf front end nards 27-gram gem 1Weather station seen Wakefield launch area Max-Men FAI meet records myriads mospheric conditions flier can maybe get good performance builder unknown Famed cartoonist Rube Goldberg could have done better Martyn Cowley SImi Valley CA shows off foam/composite Nordic A2 subject Simple fus elage surfaces covered colorful craft tissue paper used straight sort tow system made secured Carbon fiber mat 007 thick epoxied top bottom spar caps Strapping tape can also used pinch Leading trailing edge stock optional finish whole wing covered ordi nary cheap craft tissuethe kind get craft hobby store adhesive used apply humble wallpaper glue made up dry crys tal variety found such outlets Standard Brands didnt think Needless say whole banana very quick strong expensive utterly moisture proof Martyn whole box full creationssix eight perhaps Most what looked like CH407 airfoil has promised come up complete exposition soon Power wing nastier problems facing current FAI Power FiC designer builder/flier keep beasts piece over long contest trail Wing flutter definite no-no especially engine rpm have escalated 30K Russians course started using alumi num foil airframe several years ago great success has led today what can described fully-cladbalsa/tempered-aluminum-stressed-skin building system Areas model affected now include flying surfaces plus tail boom engine its plumbing ride spaceward embedded assortment carbon fiber magnesium assemblies very commonly dis play workmanship almost genius level especially shops such masters Roger Simpsons Randy Archers world Archer informal sympo Kenny Happersetts motel room allowed mak ing marvels easy notion seconded Terry Kerger himself corner event What follows perhaps gross oversimplifica tion process however might pique experimenter try some new stuff Archer claims Wakefield wing could made way still weigh no average stick-and-tissue rig needs acquire large sheet thick glass building surface Sheet balsa top bottom outlines cut precisely dimension inside leading trailing edges cham fered 450 will joined sheet tempered aluminum foil taped down clean glass support top bottom balsa sheets receive coat twelve-hour epoxy placed atop foil nose-to-nose separated /32 roller used press epoxied balsa sheets firm contact aluminum foil Ribs webs forth installed bottom balsa sheet carbon fiber tows laid crack between leading edges nose-to-nose sheets After epoxy has cured about 10 hours epoxy applied leading edge seam tops ribs spars top sheeting flopped over bottom structure top cover carefully moved around bit ensure internal epoxy joints seated well top weighted down large metro-size telephone books some thing will same job until epoxy has cured Voila Add butt-joined dihedral polyhedral proceed say nothing else gleaming surfaces major works art typical FiC nfa chine base ingredients light / 42-in sheet balsa plus innards Archer working detailed essay describ ing entire process start finish Impres sive stuff Builder-of-the-model versus assembler-of-themodel revered timeless maxims flier should also builder arcane craft Doing successfully especially international level competi tionhas become somewhat puzzlement high technology has crept sport idea has lost other disciplines particularly RC several categories BOM build er-of-the-model rule has eliminated very idea ARF-type almost-ready-to flyEd Free Flight airplane probably nauseat ing photographs shows stay Money aside de mands competing require topnotch machinery sophisticated air-picking gadgets things work like perennial clock wall Continued page iSO July 1988 61 Randy Archer winner 1987 FAI World Cup FF PowerR prepares lyoff MaxMen FAI meet Models flying surfaces tail boom clad gleaming tempered aluminum foil Terry Kerger L holds Randys backup airplane ready Tony Mathews L calls Ontario Canada home Wakefield model discussed length Oldenkamps column Black chordwise stripes wing external carbon-fiber ribs Tail feathers flat balsa sheet Tomy timer atop far end motor tube controls DT VIT Details models motor tube wing mount R Wing halves plug onto wire outriggers tached magnesium minipylon Strapping tape holds unit place allows assembly moved shift balance point Note extremely thin airfoil solid-balsa wing panels ham Dr Tempe AZ 85283 has number teresting No-Cal profile Scale plans including Zlin Z5OL Napier-Heston Racer Blohm Voss BV-141 asymmetrical WW II curiosi ty Mitsubishi Claude Mosca Als plans include CO2 electric well Rubber Scale buck will bring catalog goodies plans normal Scale ships profile se ries might special interest modelers like get maximum fun minimum investment Although No-Cal profile Scalers fly well Jim Petro 4148 E 13th Ave Gary IN 46403 would like some advice getting behave low-wingers trimmed balanced low-power glide zero rudder input trims rudder wing thrust angle leftturn-with-low-power climb point models start yawing right forced go left too large rud der deflection left About quarter way its circle model rolls left verted hesitates stall-dives starts flat spin puts high rubber power plane zooms perfect left turn climb until power used up flies straight wall classic right sideslip Well experts have can write ideas direct Jim can try em Out let us know what works Happy land ings Mae MeJunkins CO2 experiments re ported Flightmasters newsletter have among thorough interesting have seen know Jet-X works simple direct air freon CO2 jet ex periments have less successful Some have too heavy Others unpre dictable gutless cumbersomeor just down right dangerous remember trying fly plain Sparkletts CO2 cartridges puncturing little hand-held device rammed old steel phonograph needle business end cartridge youngsters reading sort thing some degree popu larity back about 1947 RMcM scheme too practical . er heavy last years Flightmasters Annual Los An geles Mac Pete Weisman demonstrated CO2 jets both practical reliable Petes all-sheet-balsa F-IS made spectacular flights around 20 sec climbing altitude 40-50 ft using Brown 20cc CO2 tank Peck-Polymers equipped special nozzle 010-in orifice special filler/launcher nozzle designed Mac features collet three balls radially spaced common air hose connector chuck used filling stations machine shops external tube filler pulled back against spring pressure allowing captive balls move outward little thereby permitting insertion jet motor nozzle has annular groove receive balls outer tube allowed move back over balls holding motors groove locking two units nozzle filler together An 0ring filler seals against nozzles cham fered end motor filled liquid CO2 Macs fire extinguisher shut off means its own valve model ready launched pulling external keeper sleeve tube back off balls releasing nozzle Mac has motor 005-in orifice Dick Howard Lake Havasu flash strikes again cottage-cheese-lid pilots proba bly know Dick great cottage-cheese-con tainer prop blades power twin-engined Rubber jobs victory regularity latest achievement use toy-store cow boys molds homemade hotplate/vacu um-cleaner-vacu-former make pilot heads takes lids cottage cheese containers heats until just start smoke pulls over forms uses styrofoam fill rear head shoulders have used old Mattel vacu-form long time generally using Zona saw cut head taken some sort doll figure halvesfront backto used forms filled modeling clay keep collapsing under pressure vacu forming light stuff Drilling holes about 015-020 through depressed parts head such under chin nose helps pull material down over Well gang until next time e ya Flying Aces Nats Genesco NY July 8-10 FF Duration/Oldenkamp Continued page 61 Detractors getting gimmicks still viableBob White among thembut swing seems irreversible Groups Canada already work source network list more-or-less off-the * * ** * * * ****** ** ********* *** ** * * * **** ** *** * BALSA WOOD 72 complete set GLIDER PLANS 0- INEXPENSIVE 0EASY TO BUILD o FLYING MODELS 0FAMOUS AIRCRAFT REPLICAS 0-RUBBER BAND HAND LAUNCH STAR KRAFT P0 IIOX 321 BOUNTIFUL UT 84010 OSILS 00111 UNIQUE PLYINGTO ORDEE cOMPLETE NOSPI FROM 1116 S8EET SET OP 17 PLANS 8ALSA 5 3/16 STICK BALSA SUNO 5150 PLUS [ISO LOSS SF105 086 5800T SI 50 POSTAGE TOI 080 050 55151 P00 80001. * *** * LWier Wdiit Moid wili wouli Powm DIT*USPaWN0Den * *Deales Invted * *wa,anly110 ft CO ~a77 * &*..m.1 *WetorOry *Stick onAbrasives *a *A KeenMachine gives exceptional * sanding conlrol br excellent tinish * *99BasIc xci 1 let Wand t eacha *olegUtsa *BoIdel SpecaI xci 2 hat 1 SaIl*xond wand 5 oh 8 grits *129Delexe nceden 3 tIat 2 tell Oonda *wends 1 hell wends 10 Ut gritsa * itional Wands Abrasives availablea *a *WANDIT MANUFACTURING 214 288-5789 * * PO Box 266 uite Texas 75149a 150 Model Aviation runs longer problems drilling holes size beyond capability average garden-variety modeler Unimat lathe 17 DIFFERENT PLANS INCLUDING F-isF-16 F-laF-4 U-2A-6 SPAt SHUTTLE 10 OTHERS shelf components available now Tony Matthews Ontario Canada elegant Wakefield represents better examples trend bearing mind please designer/flier particular sample no fun-poking intended models tail feathers prop blades finish sup plied though Tony did tremendous amount development work arriving formula including airfoils prop design like point wing came JH Maxwell Scotland machined specs sol id balsa motor tube import Ja pan tail boom ready-made carbon fiber item front end machined unit Should knock think computer-controlled balsa milling tool can make better wing can Certainiy hardware involved now requires ultraclose toler ances machining well beyond capabilities tin snips soldering iron aforemen tioned Maxwell shop Scotland can also provide Wakefield prop blades nearly-ARF well use bulletproof carbon-fiber mo tor tube lovingly crafted enthusiast other shore pros cons just now com ing surface probably need sim mer bit longer Joining however may become just matter economics Next Bob Piserchios Wakefield frontend unit another mini work art item has become almost universal among FiB fraternity utterly trouble-free durable necessities made up order com bination milling machine/lathe set double ball bearings positive prop stop adjustable-pitch blade hangers Included full package front rear motor tube inserts front being available machined desired thrust offsets called out buyer Theyre very slick very dustproof very smooth mere $6650 buys Bob Piserchio 5257 Stone Ct San Diego CA 92115 also has data availability motor tubes other Wakefield gear Shanghai speaks time published may very well powering up Rubber Free Flight rubber strip Fan factory Shanghai PRC According George Schroedter Champion Model Prod ucts latest batches USA-made rubber have totally unsatisfactory purposesso much has taken bold step trying import commodity PRC What will arrive first will 1mm x 2mm stuff supply used Chinese fliers last FF World Champs rubber has tested Fred Pearce others under controlled conditions found very close 81 Pirelli specs So anxiously awaited Further downstream George may have other sizes avail able lest tire spooling up 108-strand gumbands Wake info write Champion Model Products 880 Carmen Ct LaVerne CA 91750 Low tech new Pee Wee-30 event can bring lot relief nerve-busting FAI wars also lot cheaper fun also possibil ity little 100-granimers really pack much enjoyment Now SCAMPS Southern California Antique Model Plane Society has instituted OT Nostalgia Pee Wee-30 category its schedule 88 should anyone wish get band wagon some classic crates Charlie FE theTop Flite Jacket Look best flight line Top Elite R/C Pilots Jacket pay $1500* $400 savings off regular price ad copy must accompany order S M L XL mbia Light Blue an safety sleeves polyester 35% combed cotton easy care screened logo back lor embroidered patch front Top Elite Jacket . Wear proudly order send ad return address quantity $1 500* per jacket no cash please Top Elite TOP FLITE MODELS INC 2635 South Wabash Avenue Chicago Illinois 60616 Yost PW-30 founder has come up Triath Ion version combines P-30 Rubber PW-30 Gas Towline-30 kicker flier has use same airplane three divi sions forward two inches fu selage allowed interchangeable Are ready rumble Write details ET/Hunton Continued page 64 tour Install plywood wing tips making sure put line exit holes left wing panel left right would pilot Glue wing fuselage checking alignment stabilizer Extra $200 I I I I I I I I I Glue canopy place same 1A-in plywood bellcrank mount stall rear landing gear wire Leave top end unbent until wire has pushed through fuselage bend pull place secure glue model need fuel-proofed should finished order reduce drag produce cleanable surface finish may fast-drying variety either clear color prototype painted representative Navy jets three coats automotive primer light sanding between coat Black trim can added felt-tipped markers Wheels can installed after finishing Install elevator hinges After gluing July 1988 151 Jacket orders $250 shipping/handling Illinois residents add 6/e sales tax MODELERS FIGHT-BACK TRUE-FACTS NEWETER Tired being ignored editors Fed up never having questions answered FIGHT BACK Join us Ier letter Ore year This is reader written publication epen letter communication between fellow modelers Send $550 end YOUR letter approxinoatelylsO words typed printed clasaified interest opinion $300 recieve copy $550 pub letter & recieve copy $1950 4 ioaues 1 yr Firet Issue date4th July 1988 Quarterly July Oct Jan April eae*eeeeseaeeeeeeees*eeeeeeeeeeseeaeeseeeeaee Advertizing Sectien business card u&w only$20/iasuo THE PTERANODON PRESS PO Box Seoo OAKLAND CA 34009-0600
Edition: Model Aviation - 1988/07
Page Numbers: 60, 61, 150, 151
REFLECTIONS yet another Monster Meet Mecca case Max-Men FAI 14rounder Taft CA last February Because both designated contest 88 World Cup Championships place qualify October US FAI team finals Seguin TX entry very high combined 86 categories US states represented well few countries Canada largest contingent foreign entries Two traveled Spain did couple rael score sheets read very much like Whos Free Flight Statistically results very interesting Thirty Nordic pilots fought three flyoff round positions Hector Diez Jim Bradley Matt Gewain stayed clean through 14 rounds Bradley sweeping first Only two 40 en trants maxed out Wakefield leaving flyoff Joe Foster Walt Ghio Ghio win ner rather difficult air FlC Power real gut-grabber seven maxing Out Archer Cooney Galbreath Happersett Kerger Kogar Phair Roger Simpson face off under cool skies strong drift Things went six-minute brink tween Archer Simpson Randy suffered slight engine overrun flew backup ship 443 Simpson cleared six minutes easily top place Both competing new very high-tech pieces equipment per formed flawlessly up latest FiC standards occurred under watchful eyes Contest Director Lee Hines noted Nordic designer Tafts future always thrill Taft venue wonders about long run considering new structures looming horizonparticularly direction normal drift Although does appear immediate threat Free Flight haven scribe will dig subject during US Free Flight Championships May will duly re port born Morgan Rockefeller rather Oldenkamp would buy joint outright ensure eternal joy Martyn Cowleys four-hour FlA wings Mr Cowley noted aerojournalist photographer Towline enthusiast being blessed several years experience Paul MacCready group has done something very decent think all-foam Nordic wings Hes possibly inno vated bit breakthrough process Re membering Ron St Jeans Structureless Foam Composite articles wondered Eu reka would occur Rons process appealing did have disadvantage tending soak up humidity occasion needed airtight top membrane prevent things going limp As recall used Mylar heat-shrink meat wrap end dif ficulties us picked system up Martyns process really does job whole lot faster well First cores hot wired inexpensive builders foam white lb per cu ft blue stuff two lb per cu ft appropriate planforms ner mains split accept full-depth spruce balsa spar bits put together over cut outs white glue Polyhedral/dihedral joints 60 Model Aviation Free Flight Duration John Oldenkamp 3331 Adams Ave San DIego CA 92116 Bernard Crowe Dana Pt CA Max- Al Piserchia supplied front end Men FAI Annual piece smoldering punk Crowes Wakefield Prop blades hub end light DT hand watches good air reinforced carbon-fiber mat Prop Plane new gorgeous made old taches hanger threaded aluminum fashioned way except carbon-fiber mo stud Replaceable spinner seals off tor tube off-the-shelf front end nards 27-gram gem 1Weather station seen Wakefield launch area Max-Men FAI meet records myriads mospheric conditions flier can maybe get good performance builder unknown Famed cartoonist Rube Goldberg could have done better Martyn Cowley SImi Valley CA shows off foam/composite Nordic A2 subject Simple fus elage surfaces covered colorful craft tissue paper used straight sort tow system made secured Carbon fiber mat 007 thick epoxied top bottom spar caps Strapping tape can also used pinch Leading trailing edge stock optional finish whole wing covered ordi nary cheap craft tissuethe kind get craft hobby store adhesive used apply humble wallpaper glue made up dry crys tal variety found such outlets Standard Brands didnt think Needless say whole banana very quick strong expensive utterly moisture proof Martyn whole box full creationssix eight perhaps Most what looked like CH407 airfoil has promised come up complete exposition soon Power wing nastier problems facing current FAI Power FiC designer builder/flier keep beasts piece over long contest trail Wing flutter definite no-no especially engine rpm have escalated 30K Russians course started using alumi num foil airframe several years ago great success has led today what can described fully-cladbalsa/tempered-aluminum-stressed-skin building system Areas model affected now include flying surfaces plus tail boom engine its plumbing ride spaceward embedded assortment carbon fiber magnesium assemblies very commonly dis play workmanship almost genius level especially shops such masters Roger Simpsons Randy Archers world Archer informal sympo Kenny Happersetts motel room allowed mak ing marvels easy notion seconded Terry Kerger himself corner event What follows perhaps gross oversimplifica tion process however might pique experimenter try some new stuff Archer claims Wakefield wing could made way still weigh no average stick-and-tissue rig needs acquire large sheet thick glass building surface Sheet balsa top bottom outlines cut precisely dimension inside leading trailing edges cham fered 450 will joined sheet tempered aluminum foil taped down clean glass support top bottom balsa sheets receive coat twelve-hour epoxy placed atop foil nose-to-nose separated /32 roller used press epoxied balsa sheets firm contact aluminum foil Ribs webs forth installed bottom balsa sheet carbon fiber tows laid crack between leading edges nose-to-nose sheets After epoxy has cured about 10 hours epoxy applied leading edge seam tops ribs spars top sheeting flopped over bottom structure top cover carefully moved around bit ensure internal epoxy joints seated well top weighted down large metro-size telephone books some thing will same job until epoxy has cured Voila Add butt-joined dihedral polyhedral proceed say nothing else gleaming surfaces major works art typical FiC nfa chine base ingredients light / 42-in sheet balsa plus innards Archer working detailed essay describ ing entire process start finish Impres sive stuff Builder-of-the-model versus assembler-of-themodel revered timeless maxims flier should also builder arcane craft Doing successfully especially international level competi tionhas become somewhat puzzlement high technology has crept sport idea has lost other disciplines particularly RC several categories BOM build er-of-the-model rule has eliminated very idea ARF-type almost-ready-to flyEd Free Flight airplane probably nauseat ing photographs shows stay Money aside de mands competing require topnotch machinery sophisticated air-picking gadgets things work like perennial clock wall Continued page iSO July 1988 61 Randy Archer winner 1987 FAI World Cup FF PowerR prepares lyoff MaxMen FAI meet Models flying surfaces tail boom clad gleaming tempered aluminum foil Terry Kerger L holds Randys backup airplane ready Tony Mathews L calls Ontario Canada home Wakefield model discussed length Oldenkamps column Black chordwise stripes wing external carbon-fiber ribs Tail feathers flat balsa sheet Tomy timer atop far end motor tube controls DT VIT Details models motor tube wing mount R Wing halves plug onto wire outriggers tached magnesium minipylon Strapping tape holds unit place allows assembly moved shift balance point Note extremely thin airfoil solid-balsa wing panels ham Dr Tempe AZ 85283 has number teresting No-Cal profile Scale plans including Zlin Z5OL Napier-Heston Racer Blohm Voss BV-141 asymmetrical WW II curiosi ty Mitsubishi Claude Mosca Als plans include CO2 electric well Rubber Scale buck will bring catalog goodies plans normal Scale ships profile se ries might special interest modelers like get maximum fun minimum investment Although No-Cal profile Scalers fly well Jim Petro 4148 E 13th Ave Gary IN 46403 would like some advice getting behave low-wingers trimmed balanced low-power glide zero rudder input trims rudder wing thrust angle leftturn-with-low-power climb point models start yawing right forced go left too large rud der deflection left About quarter way its circle model rolls left verted hesitates stall-dives starts flat spin puts high rubber power plane zooms perfect left turn climb until power used up flies straight wall classic right sideslip Well experts have can write ideas direct Jim can try em Out let us know what works Happy land ings Mae MeJunkins CO2 experiments re ported Flightmasters newsletter have among thorough interesting have seen know Jet-X works simple direct air freon CO2 jet ex periments have less successful Some have too heavy Others unpre dictable gutless cumbersomeor just down right dangerous remember trying fly plain Sparkletts CO2 cartridges puncturing little hand-held device rammed old steel phonograph needle business end cartridge youngsters reading sort thing some degree popu larity back about 1947 RMcM scheme too practical . er heavy last years Flightmasters Annual Los An geles Mac Pete Weisman demonstrated CO2 jets both practical reliable Petes all-sheet-balsa F-IS made spectacular flights around 20 sec climbing altitude 40-50 ft using Brown 20cc CO2 tank Peck-Polymers equipped special nozzle 010-in orifice special filler/launcher nozzle designed Mac features collet three balls radially spaced common air hose connector chuck used filling stations machine shops external tube filler pulled back against spring pressure allowing captive balls move outward little thereby permitting insertion jet motor nozzle has annular groove receive balls outer tube allowed move back over balls holding motors groove locking two units nozzle filler together An 0ring filler seals against nozzles cham fered end motor filled liquid CO2 Macs fire extinguisher shut off means its own valve model ready launched pulling external keeper sleeve tube back off balls releasing nozzle Mac has motor 005-in orifice Dick Howard Lake Havasu flash strikes again cottage-cheese-lid pilots proba bly know Dick great cottage-cheese-con tainer prop blades power twin-engined Rubber jobs victory regularity latest achievement use toy-store cow boys molds homemade hotplate/vacu um-cleaner-vacu-former make pilot heads takes lids cottage cheese containers heats until just start smoke pulls over forms uses styrofoam fill rear head shoulders have used old Mattel vacu-form long time generally using Zona saw cut head taken some sort doll figure halvesfront backto used forms filled modeling clay keep collapsing under pressure vacu forming light stuff Drilling holes about 015-020 through depressed parts head such under chin nose helps pull material down over Well gang until next time e ya Flying Aces Nats Genesco NY July 8-10 FF Duration/Oldenkamp Continued page 61 Detractors getting gimmicks still viableBob White among thembut swing seems irreversible Groups Canada already work source network list more-or-less off-the * * ** * * * ****** ** ********* *** ** * * * **** ** *** * BALSA WOOD 72 complete set GLIDER PLANS 0- INEXPENSIVE 0EASY TO BUILD o FLYING MODELS 0FAMOUS AIRCRAFT REPLICAS 0-RUBBER BAND HAND LAUNCH STAR KRAFT P0 IIOX 321 BOUNTIFUL UT 84010 OSILS 00111 UNIQUE PLYINGTO ORDEE cOMPLETE NOSPI FROM 1116 S8EET SET OP 17 PLANS 8ALSA 5 3/16 STICK BALSA SUNO 5150 PLUS [ISO LOSS SF105 086 5800T SI 50 POSTAGE TOI 080 050 55151 P00 80001. * *** * LWier Wdiit Moid wili wouli Powm DIT*USPaWN0Den * *Deales Invted * *wa,anly110 ft CO ~a77 * &*..m.1 *WetorOry *Stick onAbrasives *a *A KeenMachine gives exceptional * sanding conlrol br excellent tinish * *99BasIc xci 1 let Wand t eacha *olegUtsa *BoIdel SpecaI xci 2 hat 1 SaIl*xond wand 5 oh 8 grits *129Delexe nceden 3 tIat 2 tell Oonda *wends 1 hell wends 10 Ut gritsa * itional Wands Abrasives availablea *a *WANDIT MANUFACTURING 214 288-5789 * * PO Box 266 uite Texas 75149a 150 Model Aviation runs longer problems drilling holes size beyond capability average garden-variety modeler Unimat lathe 17 DIFFERENT PLANS INCLUDING F-isF-16 F-laF-4 U-2A-6 SPAt SHUTTLE 10 OTHERS shelf components available now Tony Matthews Ontario Canada elegant Wakefield represents better examples trend bearing mind please designer/flier particular sample no fun-poking intended models tail feathers prop blades finish sup plied though Tony did tremendous amount development work arriving formula including airfoils prop design like point wing came JH Maxwell Scotland machined specs sol id balsa motor tube import Ja pan tail boom ready-made carbon fiber item front end machined unit Should knock think computer-controlled balsa milling tool can make better wing can Certainiy hardware involved now requires ultraclose toler ances machining well beyond capabilities tin snips soldering iron aforemen tioned Maxwell shop Scotland can also provide Wakefield prop blades nearly-ARF well use bulletproof carbon-fiber mo tor tube lovingly crafted enthusiast other shore pros cons just now com ing surface probably need sim mer bit longer Joining however may become just matter economics Next Bob Piserchios Wakefield frontend unit another mini work art item has become almost universal among FiB fraternity utterly trouble-free durable necessities made up order com bination milling machine/lathe set double ball bearings positive prop stop adjustable-pitch blade hangers Included full package front rear motor tube inserts front being available machined desired thrust offsets called out buyer Theyre very slick very dustproof very smooth mere $6650 buys Bob Piserchio 5257 Stone Ct San Diego CA 92115 also has data availability motor tubes other Wakefield gear Shanghai speaks time published may very well powering up Rubber Free Flight rubber strip Fan factory Shanghai PRC According George Schroedter Champion Model Prod ucts latest batches USA-made rubber have totally unsatisfactory purposesso much has taken bold step trying import commodity PRC What will arrive first will 1mm x 2mm stuff supply used Chinese fliers last FF World Champs rubber has tested Fred Pearce others under controlled conditions found very close 81 Pirelli specs So anxiously awaited Further downstream George may have other sizes avail able lest tire spooling up 108-strand gumbands Wake info write Champion Model Products 880 Carmen Ct LaVerne CA 91750 Low tech new Pee Wee-30 event can bring lot relief nerve-busting FAI wars also lot cheaper fun also possibil ity little 100-granimers really pack much enjoyment Now SCAMPS Southern California Antique Model Plane Society has instituted OT Nostalgia Pee Wee-30 category its schedule 88 should anyone wish get band wagon some classic crates Charlie FE theTop Flite Jacket Look best flight line Top Elite R/C Pilots Jacket pay $1500* $400 savings off regular price ad copy must accompany order S M L XL mbia Light Blue an safety sleeves polyester 35% combed cotton easy care screened logo back lor embroidered patch front Top Elite Jacket . Wear proudly order send ad return address quantity $1 500* per jacket no cash please Top Elite TOP FLITE MODELS INC 2635 South Wabash Avenue Chicago Illinois 60616 Yost PW-30 founder has come up Triath Ion version combines P-30 Rubber PW-30 Gas Towline-30 kicker flier has use same airplane three divi sions forward two inches fu selage allowed interchangeable Are ready rumble Write details ET/Hunton Continued page 64 tour Install plywood wing tips making sure put line exit holes left wing panel left right would pilot Glue wing fuselage checking alignment stabilizer Extra $200 I I I I I I I I I Glue canopy place same 1A-in plywood bellcrank mount stall rear landing gear wire Leave top end unbent until wire has pushed through fuselage bend pull place secure glue model need fuel-proofed should finished order reduce drag produce cleanable surface finish may fast-drying variety either clear color prototype painted representative Navy jets three coats automotive primer light sanding between coat Black trim can added felt-tipped markers Wheels can installed after finishing Install elevator hinges After gluing July 1988 151 Jacket orders $250 shipping/handling Illinois residents add 6/e sales tax MODELERS FIGHT-BACK TRUE-FACTS NEWETER Tired being ignored editors Fed up never having questions answered FIGHT BACK Join us Ier letter Ore year This is reader written publication epen letter communication between fellow modelers Send $550 end YOUR letter approxinoatelylsO words typed printed clasaified interest opinion $300 recieve copy $550 pub letter & recieve copy $1950 4 ioaues 1 yr Firet Issue date4th July 1988 Quarterly July Oct Jan April eae*eeeeseaeeeeeeees*eeeeeeeeeeseeaeeseeeeaee Advertizing Sectien business card u&w only$20/iasuo THE PTERANODON PRESS PO Box Seoo OAKLAND CA 34009-0600
Edition: Model Aviation - 1988/07
Page Numbers: 60, 61, 150, 151
REFLECTIONS yet another Monster Meet Mecca case Max-Men FAI 14rounder Taft CA last February Because both designated contest 88 World Cup Championships place qualify October US FAI team finals Seguin TX entry very high combined 86 categories US states represented well few countries Canada largest contingent foreign entries Two traveled Spain did couple rael score sheets read very much like Whos Free Flight Statistically results very interesting Thirty Nordic pilots fought three flyoff round positions Hector Diez Jim Bradley Matt Gewain stayed clean through 14 rounds Bradley sweeping first Only two 40 en trants maxed out Wakefield leaving flyoff Joe Foster Walt Ghio Ghio win ner rather difficult air FlC Power real gut-grabber seven maxing Out Archer Cooney Galbreath Happersett Kerger Kogar Phair Roger Simpson face off under cool skies strong drift Things went six-minute brink tween Archer Simpson Randy suffered slight engine overrun flew backup ship 443 Simpson cleared six minutes easily top place Both competing new very high-tech pieces equipment per formed flawlessly up latest FiC standards occurred under watchful eyes Contest Director Lee Hines noted Nordic designer Tafts future always thrill Taft venue wonders about long run considering new structures looming horizonparticularly direction normal drift Although does appear immediate threat Free Flight haven scribe will dig subject during US Free Flight Championships May will duly re port born Morgan Rockefeller rather Oldenkamp would buy joint outright ensure eternal joy Martyn Cowleys four-hour FlA wings Mr Cowley noted aerojournalist photographer Towline enthusiast being blessed several years experience Paul MacCready group has done something very decent think all-foam Nordic wings Hes possibly inno vated bit breakthrough process Re membering Ron St Jeans Structureless Foam Composite articles wondered Eu reka would occur Rons process appealing did have disadvantage tending soak up humidity occasion needed airtight top membrane prevent things going limp As recall used Mylar heat-shrink meat wrap end dif ficulties us picked system up Martyns process really does job whole lot faster well First cores hot wired inexpensive builders foam white lb per cu ft blue stuff two lb per cu ft appropriate planforms ner mains split accept full-depth spruce balsa spar bits put together over cut outs white glue Polyhedral/dihedral joints 60 Model Aviation Free Flight Duration John Oldenkamp 3331 Adams Ave San DIego CA 92116 Bernard Crowe Dana Pt CA Max- Al Piserchia supplied front end Men FAI Annual piece smoldering punk Crowes Wakefield Prop blades hub end light DT hand watches good air reinforced carbon-fiber mat Prop Plane new gorgeous made old taches hanger threaded aluminum fashioned way except carbon-fiber mo stud Replaceable spinner seals off tor tube off-the-shelf front end nards 27-gram gem 1Weather station seen Wakefield launch area Max-Men FAI meet records myriads mospheric conditions flier can maybe get good performance builder unknown Famed cartoonist Rube Goldberg could have done better Martyn Cowley SImi Valley CA shows off foam/composite Nordic A2 subject Simple fus elage surfaces covered colorful craft tissue paper used straight sort tow system made secured Carbon fiber mat 007 thick epoxied top bottom spar caps Strapping tape can also used pinch Leading trailing edge stock optional finish whole wing covered ordi nary cheap craft tissuethe kind get craft hobby store adhesive used apply humble wallpaper glue made up dry crys tal variety found such outlets Standard Brands didnt think Needless say whole banana very quick strong expensive utterly moisture proof Martyn whole box full creationssix eight perhaps Most what looked like CH407 airfoil has promised come up complete exposition soon Power wing nastier problems facing current FAI Power FiC designer builder/flier keep beasts piece over long contest trail Wing flutter definite no-no especially engine rpm have escalated 30K Russians course started using alumi num foil airframe several years ago great success has led today what can described fully-cladbalsa/tempered-aluminum-stressed-skin building system Areas model affected now include flying surfaces plus tail boom engine its plumbing ride spaceward embedded assortment carbon fiber magnesium assemblies very commonly dis play workmanship almost genius level especially shops such masters Roger Simpsons Randy Archers world Archer informal sympo Kenny Happersetts motel room allowed mak ing marvels easy notion seconded Terry Kerger himself corner event What follows perhaps gross oversimplifica tion process however might pique experimenter try some new stuff Archer claims Wakefield wing could made way still weigh no average stick-and-tissue rig needs acquire large sheet thick glass building surface Sheet balsa top bottom outlines cut precisely dimension inside leading trailing edges cham fered 450 will joined sheet tempered aluminum foil taped down clean glass support top bottom balsa sheets receive coat twelve-hour epoxy placed atop foil nose-to-nose separated /32 roller used press epoxied balsa sheets firm contact aluminum foil Ribs webs forth installed bottom balsa sheet carbon fiber tows laid crack between leading edges nose-to-nose sheets After epoxy has cured about 10 hours epoxy applied leading edge seam tops ribs spars top sheeting flopped over bottom structure top cover carefully moved around bit ensure internal epoxy joints seated well top weighted down large metro-size telephone books some thing will same job until epoxy has cured Voila Add butt-joined dihedral polyhedral proceed say nothing else gleaming surfaces major works art typical FiC nfa chine base ingredients light / 42-in sheet balsa plus innards Archer working detailed essay describ ing entire process start finish Impres sive stuff Builder-of-the-model versus assembler-of-themodel revered timeless maxims flier should also builder arcane craft Doing successfully especially international level competi tionhas become somewhat puzzlement high technology has crept sport idea has lost other disciplines particularly RC several categories BOM build er-of-the-model rule has eliminated very idea ARF-type almost-ready-to flyEd Free Flight airplane probably nauseat ing photographs shows stay Money aside de mands competing require topnotch machinery sophisticated air-picking gadgets things work like perennial clock wall Continued page iSO July 1988 61 Randy Archer winner 1987 FAI World Cup FF PowerR prepares lyoff MaxMen FAI meet Models flying surfaces tail boom clad gleaming tempered aluminum foil Terry Kerger L holds Randys backup airplane ready Tony Mathews L calls Ontario Canada home Wakefield model discussed length Oldenkamps column Black chordwise stripes wing external carbon-fiber ribs Tail feathers flat balsa sheet Tomy timer atop far end motor tube controls DT VIT Details models motor tube wing mount R Wing halves plug onto wire outriggers tached magnesium minipylon Strapping tape holds unit place allows assembly moved shift balance point Note extremely thin airfoil solid-balsa wing panels ham Dr Tempe AZ 85283 has number teresting No-Cal profile Scale plans including Zlin Z5OL Napier-Heston Racer Blohm Voss BV-141 asymmetrical WW II curiosi ty Mitsubishi Claude Mosca Als plans include CO2 electric well Rubber Scale buck will bring catalog goodies plans normal Scale ships profile se ries might special interest modelers like get maximum fun minimum investment Although No-Cal profile Scalers fly well Jim Petro 4148 E 13th Ave Gary IN 46403 would like some advice getting behave low-wingers trimmed balanced low-power glide zero rudder input trims rudder wing thrust angle leftturn-with-low-power climb point models start yawing right forced go left too large rud der deflection left About quarter way its circle model rolls left verted hesitates stall-dives starts flat spin puts high rubber power plane zooms perfect left turn climb until power used up flies straight wall classic right sideslip Well experts have can write ideas direct Jim can try em Out let us know what works Happy land ings Mae MeJunkins CO2 experiments re ported Flightmasters newsletter have among thorough interesting have seen know Jet-X works simple direct air freon CO2 jet ex periments have less successful Some have too heavy Others unpre dictable gutless cumbersomeor just down right dangerous remember trying fly plain Sparkletts CO2 cartridges puncturing little hand-held device rammed old steel phonograph needle business end cartridge youngsters reading sort thing some degree popu larity back about 1947 RMcM scheme too practical . er heavy last years Flightmasters Annual Los An geles Mac Pete Weisman demonstrated CO2 jets both practical reliable Petes all-sheet-balsa F-IS made spectacular flights around 20 sec climbing altitude 40-50 ft using Brown 20cc CO2 tank Peck-Polymers equipped special nozzle 010-in orifice special filler/launcher nozzle designed Mac features collet three balls radially spaced common air hose connector chuck used filling stations machine shops external tube filler pulled back against spring pressure allowing captive balls move outward little thereby permitting insertion jet motor nozzle has annular groove receive balls outer tube allowed move back over balls holding motors groove locking two units nozzle filler together An 0ring filler seals against nozzles cham fered end motor filled liquid CO2 Macs fire extinguisher shut off means its own valve model ready launched pulling external keeper sleeve tube back off balls releasing nozzle Mac has motor 005-in orifice Dick Howard Lake Havasu flash strikes again cottage-cheese-lid pilots proba bly know Dick great cottage-cheese-con tainer prop blades power twin-engined Rubber jobs victory regularity latest achievement use toy-store cow boys molds homemade hotplate/vacu um-cleaner-vacu-former make pilot heads takes lids cottage cheese containers heats until just start smoke pulls over forms uses styrofoam fill rear head shoulders have used old Mattel vacu-form long time generally using Zona saw cut head taken some sort doll figure halvesfront backto used forms filled modeling clay keep collapsing under pressure vacu forming light stuff Drilling holes about 015-020 through depressed parts head such under chin nose helps pull material down over Well gang until next time e ya Flying Aces Nats Genesco NY July 8-10 FF Duration/Oldenkamp Continued page 61 Detractors getting gimmicks still viableBob White among thembut swing seems irreversible Groups Canada already work source network list more-or-less off-the * * ** * * * ****** ** ********* *** ** * * * **** ** *** * BALSA WOOD 72 complete set GLIDER PLANS 0- INEXPENSIVE 0EASY TO BUILD o FLYING MODELS 0FAMOUS AIRCRAFT REPLICAS 0-RUBBER BAND HAND LAUNCH STAR KRAFT P0 IIOX 321 BOUNTIFUL UT 84010 OSILS 00111 UNIQUE PLYINGTO ORDEE cOMPLETE NOSPI FROM 1116 S8EET SET OP 17 PLANS 8ALSA 5 3/16 STICK BALSA SUNO 5150 PLUS [ISO LOSS SF105 086 5800T SI 50 POSTAGE TOI 080 050 55151 P00 80001. * *** * LWier Wdiit Moid wili wouli Powm DIT*USPaWN0Den * *Deales Invted * *wa,anly110 ft CO ~a77 * &*..m.1 *WetorOry *Stick onAbrasives *a *A KeenMachine gives exceptional * sanding conlrol br excellent tinish * *99BasIc xci 1 let Wand t eacha *olegUtsa *BoIdel SpecaI xci 2 hat 1 SaIl*xond wand 5 oh 8 grits *129Delexe nceden 3 tIat 2 tell Oonda *wends 1 hell wends 10 Ut gritsa * itional Wands Abrasives availablea *a *WANDIT MANUFACTURING 214 288-5789 * * PO Box 266 uite Texas 75149a 150 Model Aviation runs longer problems drilling holes size beyond capability average garden-variety modeler Unimat lathe 17 DIFFERENT PLANS INCLUDING F-isF-16 F-laF-4 U-2A-6 SPAt SHUTTLE 10 OTHERS shelf components available now Tony Matthews Ontario Canada elegant Wakefield represents better examples trend bearing mind please designer/flier particular sample no fun-poking intended models tail feathers prop blades finish sup plied though Tony did tremendous amount development work arriving formula including airfoils prop design like point wing came JH Maxwell Scotland machined specs sol id balsa motor tube import Ja pan tail boom ready-made carbon fiber item front end machined unit Should knock think computer-controlled balsa milling tool can make better wing can Certainiy hardware involved now requires ultraclose toler ances machining well beyond capabilities tin snips soldering iron aforemen tioned Maxwell shop Scotland can also provide Wakefield prop blades nearly-ARF well use bulletproof carbon-fiber mo tor tube lovingly crafted enthusiast other shore pros cons just now com ing surface probably need sim mer bit longer Joining however may become just matter economics Next Bob Piserchios Wakefield frontend unit another mini work art item has become almost universal among FiB fraternity utterly trouble-free durable necessities made up order com bination milling machine/lathe set double ball bearings positive prop stop adjustable-pitch blade hangers Included full package front rear motor tube inserts front being available machined desired thrust offsets called out buyer Theyre very slick very dustproof very smooth mere $6650 buys Bob Piserchio 5257 Stone Ct San Diego CA 92115 also has data availability motor tubes other Wakefield gear Shanghai speaks time published may very well powering up Rubber Free Flight rubber strip Fan factory Shanghai PRC According George Schroedter Champion Model Prod ucts latest batches USA-made rubber have totally unsatisfactory purposesso much has taken bold step trying import commodity PRC What will arrive first will 1mm x 2mm stuff supply used Chinese fliers last FF World Champs rubber has tested Fred Pearce others under controlled conditions found very close 81 Pirelli specs So anxiously awaited Further downstream George may have other sizes avail able lest tire spooling up 108-strand gumbands Wake info write Champion Model Products 880 Carmen Ct LaVerne CA 91750 Low tech new Pee Wee-30 event can bring lot relief nerve-busting FAI wars also lot cheaper fun also possibil ity little 100-granimers really pack much enjoyment Now SCAMPS Southern California Antique Model Plane Society has instituted OT Nostalgia Pee Wee-30 category its schedule 88 should anyone wish get band wagon some classic crates Charlie FE theTop Flite Jacket Look best flight line Top Elite R/C Pilots Jacket pay $1500* $400 savings off regular price ad copy must accompany order S M L XL mbia Light Blue an safety sleeves polyester 35% combed cotton easy care screened logo back lor embroidered patch front Top Elite Jacket . Wear proudly order send ad return address quantity $1 500* per jacket no cash please Top Elite TOP FLITE MODELS INC 2635 South Wabash Avenue Chicago Illinois 60616 Yost PW-30 founder has come up Triath Ion version combines P-30 Rubber PW-30 Gas Towline-30 kicker flier has use same airplane three divi sions forward two inches fu selage allowed interchangeable Are ready rumble Write details ET/Hunton Continued page 64 tour Install plywood wing tips making sure put line exit holes left wing panel left right would pilot Glue wing fuselage checking alignment stabilizer Extra $200 I I I I I I I I I Glue canopy place same 1A-in plywood bellcrank mount stall rear landing gear wire Leave top end unbent until wire has pushed through fuselage bend pull place secure glue model need fuel-proofed should finished order reduce drag produce cleanable surface finish may fast-drying variety either clear color prototype painted representative Navy jets three coats automotive primer light sanding between coat Black trim can added felt-tipped markers Wheels can installed after finishing Install elevator hinges After gluing July 1988 151 Jacket orders $250 shipping/handling Illinois residents add 6/e sales tax MODELERS FIGHT-BACK TRUE-FACTS NEWETER Tired being ignored editors Fed up never having questions answered FIGHT BACK Join us Ier letter Ore year This is reader written publication epen letter communication between fellow modelers Send $550 end YOUR letter approxinoatelylsO words typed printed clasaified interest opinion $300 recieve copy $550 pub letter & recieve copy $1950 4 ioaues 1 yr Firet Issue date4th July 1988 Quarterly July Oct Jan April eae*eeeeseaeeeeeeees*eeeeeeeeeeseeaeeseeeeaee Advertizing Sectien business card u&w only$20/iasuo THE PTERANODON PRESS PO Box Seoo OAKLAND CA 34009-0600
Edition: Model Aviation - 1988/07
Page Numbers: 60, 61, 150, 151
REFLECTIONS yet another Monster Meet Mecca case Max-Men FAI 14rounder Taft CA last February Because both designated contest 88 World Cup Championships place qualify October US FAI team finals Seguin TX entry very high combined 86 categories US states represented well few countries Canada largest contingent foreign entries Two traveled Spain did couple rael score sheets read very much like Whos Free Flight Statistically results very interesting Thirty Nordic pilots fought three flyoff round positions Hector Diez Jim Bradley Matt Gewain stayed clean through 14 rounds Bradley sweeping first Only two 40 en trants maxed out Wakefield leaving flyoff Joe Foster Walt Ghio Ghio win ner rather difficult air FlC Power real gut-grabber seven maxing Out Archer Cooney Galbreath Happersett Kerger Kogar Phair Roger Simpson face off under cool skies strong drift Things went six-minute brink tween Archer Simpson Randy suffered slight engine overrun flew backup ship 443 Simpson cleared six minutes easily top place Both competing new very high-tech pieces equipment per formed flawlessly up latest FiC standards occurred under watchful eyes Contest Director Lee Hines noted Nordic designer Tafts future always thrill Taft venue wonders about long run considering new structures looming horizonparticularly direction normal drift Although does appear immediate threat Free Flight haven scribe will dig subject during US Free Flight Championships May will duly re port born Morgan Rockefeller rather Oldenkamp would buy joint outright ensure eternal joy Martyn Cowleys four-hour FlA wings Mr Cowley noted aerojournalist photographer Towline enthusiast being blessed several years experience Paul MacCready group has done something very decent think all-foam Nordic wings Hes possibly inno vated bit breakthrough process Re membering Ron St Jeans Structureless Foam Composite articles wondered Eu reka would occur Rons process appealing did have disadvantage tending soak up humidity occasion needed airtight top membrane prevent things going limp As recall used Mylar heat-shrink meat wrap end dif ficulties us picked system up Martyns process really does job whole lot faster well First cores hot wired inexpensive builders foam white lb per cu ft blue stuff two lb per cu ft appropriate planforms ner mains split accept full-depth spruce balsa spar bits put together over cut outs white glue Polyhedral/dihedral joints 60 Model Aviation Free Flight Duration John Oldenkamp 3331 Adams Ave San DIego CA 92116 Bernard Crowe Dana Pt CA Max- Al Piserchia supplied front end Men FAI Annual piece smoldering punk Crowes Wakefield Prop blades hub end light DT hand watches good air reinforced carbon-fiber mat Prop Plane new gorgeous made old taches hanger threaded aluminum fashioned way except carbon-fiber mo stud Replaceable spinner seals off tor tube off-the-shelf front end nards 27-gram gem 1Weather station seen Wakefield launch area Max-Men FAI meet records myriads mospheric conditions flier can maybe get good performance builder unknown Famed cartoonist Rube Goldberg could have done better Martyn Cowley SImi Valley CA shows off foam/composite Nordic A2 subject Simple fus elage surfaces covered colorful craft tissue paper used straight sort tow system made secured Carbon fiber mat 007 thick epoxied top bottom spar caps Strapping tape can also used pinch Leading trailing edge stock optional finish whole wing covered ordi nary cheap craft tissuethe kind get craft hobby store adhesive used apply humble wallpaper glue made up dry crys tal variety found such outlets Standard Brands didnt think Needless say whole banana very quick strong expensive utterly moisture proof Martyn whole box full creationssix eight perhaps Most what looked like CH407 airfoil has promised come up complete exposition soon Power wing nastier problems facing current FAI Power FiC designer builder/flier keep beasts piece over long contest trail Wing flutter definite no-no especially engine rpm have escalated 30K Russians course started using alumi num foil airframe several years ago great success has led today what can described fully-cladbalsa/tempered-aluminum-stressed-skin building system Areas model affected now include flying surfaces plus tail boom engine its plumbing ride spaceward embedded assortment carbon fiber magnesium assemblies very commonly dis play workmanship almost genius level especially shops such masters Roger Simpsons Randy Archers world Archer informal sympo Kenny Happersetts motel room allowed mak ing marvels easy notion seconded Terry Kerger himself corner event What follows perhaps gross oversimplifica tion process however might pique experimenter try some new stuff Archer claims Wakefield wing could made way still weigh no average stick-and-tissue rig needs acquire large sheet thick glass building surface Sheet balsa top bottom outlines cut precisely dimension inside leading trailing edges cham fered 450 will joined sheet tempered aluminum foil taped down clean glass support top bottom balsa sheets receive coat twelve-hour epoxy placed atop foil nose-to-nose separated /32 roller used press epoxied balsa sheets firm contact aluminum foil Ribs webs forth installed bottom balsa sheet carbon fiber tows laid crack between leading edges nose-to-nose sheets After epoxy has cured about 10 hours epoxy applied leading edge seam tops ribs spars top sheeting flopped over bottom structure top cover carefully moved around bit ensure internal epoxy joints seated well top weighted down large metro-size telephone books some thing will same job until epoxy has cured Voila Add butt-joined dihedral polyhedral proceed say nothing else gleaming surfaces major works art typical FiC nfa chine base ingredients light / 42-in sheet balsa plus innards Archer working detailed essay describ ing entire process start finish Impres sive stuff Builder-of-the-model versus assembler-of-themodel revered timeless maxims flier should also builder arcane craft Doing successfully especially international level competi tionhas become somewhat puzzlement high technology has crept sport idea has lost other disciplines particularly RC several categories BOM build er-of-the-model rule has eliminated very idea ARF-type almost-ready-to flyEd Free Flight airplane probably nauseat ing photographs shows stay Money aside de mands competing require topnotch machinery sophisticated air-picking gadgets things work like perennial clock wall Continued page iSO July 1988 61 Randy Archer winner 1987 FAI World Cup FF PowerR prepares lyoff MaxMen FAI meet Models flying surfaces tail boom clad gleaming tempered aluminum foil Terry Kerger L holds Randys backup airplane ready Tony Mathews L calls Ontario Canada home Wakefield model discussed length Oldenkamps column Black chordwise stripes wing external carbon-fiber ribs Tail feathers flat balsa sheet Tomy timer atop far end motor tube controls DT VIT Details models motor tube wing mount R Wing halves plug onto wire outriggers tached magnesium minipylon Strapping tape holds unit place allows assembly moved shift balance point Note extremely thin airfoil solid-balsa wing panels ham Dr Tempe AZ 85283 has number teresting No-Cal profile Scale plans including Zlin Z5OL Napier-Heston Racer Blohm Voss BV-141 asymmetrical WW II curiosi ty Mitsubishi Claude Mosca Als plans include CO2 electric well Rubber Scale buck will bring catalog goodies plans normal Scale ships profile se ries might special interest modelers like get maximum fun minimum investment Although No-Cal profile Scalers fly well Jim Petro 4148 E 13th Ave Gary IN 46403 would like some advice getting behave low-wingers trimmed balanced low-power glide zero rudder input trims rudder wing thrust angle leftturn-with-low-power climb point models start yawing right forced go left too large rud der deflection left About quarter way its circle model rolls left verted hesitates stall-dives starts flat spin puts high rubber power plane zooms perfect left turn climb until power used up flies straight wall classic right sideslip Well experts have can write ideas direct Jim can try em Out let us know what works Happy land ings Mae MeJunkins CO2 experiments re ported Flightmasters newsletter have among thorough interesting have seen know Jet-X works simple direct air freon CO2 jet ex periments have less successful Some have too heavy Others unpre dictable gutless cumbersomeor just down right dangerous remember trying fly plain Sparkletts CO2 cartridges puncturing little hand-held device rammed old steel phonograph needle business end cartridge youngsters reading sort thing some degree popu larity back about 1947 RMcM scheme too practical . er heavy last years Flightmasters Annual Los An geles Mac Pete Weisman demonstrated CO2 jets both practical reliable Petes all-sheet-balsa F-IS made spectacular flights around 20 sec climbing altitude 40-50 ft using Brown 20cc CO2 tank Peck-Polymers equipped special nozzle 010-in orifice special filler/launcher nozzle designed Mac features collet three balls radially spaced common air hose connector chuck used filling stations machine shops external tube filler pulled back against spring pressure allowing captive balls move outward little thereby permitting insertion jet motor nozzle has annular groove receive balls outer tube allowed move back over balls holding motors groove locking two units nozzle filler together An 0ring filler seals against nozzles cham fered end motor filled liquid CO2 Macs fire extinguisher shut off means its own valve model ready launched pulling external keeper sleeve tube back off balls releasing nozzle Mac has motor 005-in orifice Dick Howard Lake Havasu flash strikes again cottage-cheese-lid pilots proba bly know Dick great cottage-cheese-con tainer prop blades power twin-engined Rubber jobs victory regularity latest achievement use toy-store cow boys molds homemade hotplate/vacu um-cleaner-vacu-former make pilot heads takes lids cottage cheese containers heats until just start smoke pulls over forms uses styrofoam fill rear head shoulders have used old Mattel vacu-form long time generally using Zona saw cut head taken some sort doll figure halvesfront backto used forms filled modeling clay keep collapsing under pressure vacu forming light stuff Drilling holes about 015-020 through depressed parts head such under chin nose helps pull material down over Well gang until next time e ya Flying Aces Nats Genesco NY July 8-10 FF Duration/Oldenkamp Continued page 61 Detractors getting gimmicks still viableBob White among thembut swing seems irreversible Groups Canada already work source network list more-or-less off-the * * ** * * * ****** ** ********* *** ** * * * **** ** *** * BALSA WOOD 72 complete set GLIDER PLANS 0- INEXPENSIVE 0EASY TO BUILD o FLYING MODELS 0FAMOUS AIRCRAFT REPLICAS 0-RUBBER BAND HAND LAUNCH STAR KRAFT P0 IIOX 321 BOUNTIFUL UT 84010 OSILS 00111 UNIQUE PLYINGTO ORDEE cOMPLETE NOSPI FROM 1116 S8EET SET OP 17 PLANS 8ALSA 5 3/16 STICK BALSA SUNO 5150 PLUS [ISO LOSS SF105 086 5800T SI 50 POSTAGE TOI 080 050 55151 P00 80001. * *** * LWier Wdiit Moid wili wouli Powm DIT*USPaWN0Den * *Deales Invted * *wa,anly110 ft CO ~a77 * &*..m.1 *WetorOry *Stick onAbrasives *a *A KeenMachine gives exceptional * sanding conlrol br excellent tinish * *99BasIc xci 1 let Wand t eacha *olegUtsa *BoIdel SpecaI xci 2 hat 1 SaIl*xond wand 5 oh 8 grits *129Delexe nceden 3 tIat 2 tell Oonda *wends 1 hell wends 10 Ut gritsa * itional Wands Abrasives availablea *a *WANDIT MANUFACTURING 214 288-5789 * * PO Box 266 uite Texas 75149a 150 Model Aviation runs longer problems drilling holes size beyond capability average garden-variety modeler Unimat lathe 17 DIFFERENT PLANS INCLUDING F-isF-16 F-laF-4 U-2A-6 SPAt SHUTTLE 10 OTHERS shelf components available now Tony Matthews Ontario Canada elegant Wakefield represents better examples trend bearing mind please designer/flier particular sample no fun-poking intended models tail feathers prop blades finish sup plied though Tony did tremendous amount development work arriving formula including airfoils prop design like point wing came JH Maxwell Scotland machined specs sol id balsa motor tube import Ja pan tail boom ready-made carbon fiber item front end machined unit Should knock think computer-controlled balsa milling tool can make better wing can Certainiy hardware involved now requires ultraclose toler ances machining well beyond capabilities tin snips soldering iron aforemen tioned Maxwell shop Scotland can also provide Wakefield prop blades nearly-ARF well use bulletproof carbon-fiber mo tor tube lovingly crafted enthusiast other shore pros cons just now com ing surface probably need sim mer bit longer Joining however may become just matter economics Next Bob Piserchios Wakefield frontend unit another mini work art item has become almost universal among FiB fraternity utterly trouble-free durable necessities made up order com bination milling machine/lathe set double ball bearings positive prop stop adjustable-pitch blade hangers Included full package front rear motor tube inserts front being available machined desired thrust offsets called out buyer Theyre very slick very dustproof very smooth mere $6650 buys Bob Piserchio 5257 Stone Ct San Diego CA 92115 also has data availability motor tubes other Wakefield gear Shanghai speaks time published may very well powering up Rubber Free Flight rubber strip Fan factory Shanghai PRC According George Schroedter Champion Model Prod ucts latest batches USA-made rubber have totally unsatisfactory purposesso much has taken bold step trying import commodity PRC What will arrive first will 1mm x 2mm stuff supply used Chinese fliers last FF World Champs rubber has tested Fred Pearce others under controlled conditions found very close 81 Pirelli specs So anxiously awaited Further downstream George may have other sizes avail able lest tire spooling up 108-strand gumbands Wake info write Champion Model Products 880 Carmen Ct LaVerne CA 91750 Low tech new Pee Wee-30 event can bring lot relief nerve-busting FAI wars also lot cheaper fun also possibil ity little 100-granimers really pack much enjoyment Now SCAMPS Southern California Antique Model Plane Society has instituted OT Nostalgia Pee Wee-30 category its schedule 88 should anyone wish get band wagon some classic crates Charlie FE theTop Flite Jacket Look best flight line Top Elite R/C Pilots Jacket pay $1500* $400 savings off regular price ad copy must accompany order S M L XL mbia Light Blue an safety sleeves polyester 35% combed cotton easy care screened logo back lor embroidered patch front Top Elite Jacket . Wear proudly order send ad return address quantity $1 500* per jacket no cash please Top Elite TOP FLITE MODELS INC 2635 South Wabash Avenue Chicago Illinois 60616 Yost PW-30 founder has come up Triath Ion version combines P-30 Rubber PW-30 Gas Towline-30 kicker flier has use same airplane three divi sions forward two inches fu selage allowed interchangeable Are ready rumble Write details ET/Hunton Continued page 64 tour Install plywood wing tips making sure put line exit holes left wing panel left right would pilot Glue wing fuselage checking alignment stabilizer Extra $200 I I I I I I I I I Glue canopy place same 1A-in plywood bellcrank mount stall rear landing gear wire Leave top end unbent until wire has pushed through fuselage bend pull place secure glue model need fuel-proofed should finished order reduce drag produce cleanable surface finish may fast-drying variety either clear color prototype painted representative Navy jets three coats automotive primer light sanding between coat Black trim can added felt-tipped markers Wheels can installed after finishing Install elevator hinges After gluing July 1988 151 Jacket orders $250 shipping/handling Illinois residents add 6/e sales tax MODELERS FIGHT-BACK TRUE-FACTS NEWETER Tired being ignored editors Fed up never having questions answered FIGHT BACK Join us Ier letter Ore year This is reader written publication epen letter communication between fellow modelers Send $550 end YOUR letter approxinoatelylsO words typed printed clasaified interest opinion $300 recieve copy $550 pub letter & recieve copy $1950 4 ioaues 1 yr Firet Issue date4th July 1988 Quarterly July Oct Jan April eae*eeeeseaeeeeeeees*eeeeeeeeeeseeaeeseeeeaee Advertizing Sectien business card u&w only$20/iasuo THE PTERANODON PRESS PO Box Seoo OAKLAND CA 34009-0600