I US Indoor* *1 Championships place Indoor addict June 1-4 year Under 116-ft dome East Tennessee State Univer sity Johnson City staged 21 official events unoffi cial ones EBud Tenny THE EIGHTH ANNUAL US Indoor Championships USIC sponsored National Free Flight Society under direction Tony Italiano several other experienced CDs 100 entrants 25 states Canada flying 21 offi cial events eight unofficial events spon sored individuals model airplane clubs combined total official un official events other door contest world meet re ported both TV newspapers spectators watched bleach ers during last two days contest majority uninitiated specta tors awesome flight times slow flights Indoor Stick FAI Easy B models make impressive air craft championships Man hattans Indoor Cabin models theres always uncertainty successful take offs Most easily understood specta tors Scale models Since mimic full-size airplanes look like theyre meant fly lightweight models other hand didnt provoke much excite ment among experienced modelers un less close escapes turned ex ceptional times Otherwise frankly pretty boring Contest Board action occasion con tests experience problems model eligi bility rules interpretations Traditionally problem referred Con test Board resolution usually de lay several weeks year however seven 11 Indoor Contest Board mem bers quorum contest USIC first problem occurred during Helicopter event rotor blade models became caught inside ventilation louvers stopping rotor model eventually freed itself flight time inflated mishap re vealed Indoor Helicopter rules based definitions Outdoor Helicop ter rules naturally leads limbo hang-ups arent recognized much less provided second quandary faced decid ing whether two Cabin models met re quirements fuselage design Both issues addressed Contest Board mem bers present providing immediate guidance CD issues must now undergo ratification mail vote entire board before becoming official September 1989 53 High Time award Federation ROG handmade Mary Ann Barber very impressive effort much appreciated Dave Aronsteins model took top honors Federation ROG event clocking 701 vortex-fighting pointed tips fullfuselage bracing much longer fuse lage usual Skinnie Minnie designs model appears con ventional Skinnie Minnie lengthened braced fuselage flown second place Gary Underwood time 650 distinctive trophies awarded first second third place Federation ROG winners third place winner being Joe Nuszer clocked respectable 645 Federation ROG event first conceived Federation ROG FROG never expected produce high times Sur prisingly early year Dave Aronstein broke five-minute barrier end FROG session 14 official flights exceeded Daves 507 paceset ter Dave still led wayhis two best times 657 701 exceeded top times other contestants However turning top individual times didnt make Dave king FROG because event judged team ba 515 FROG competition USIC orig inated Tony Becker 1988 About three weeks before contest started Tony sued challenge via modeling grape vine FROG would flown team Ron Ganser built comely reproduction Walt Erbachs original oldie Stick model two best scores Old-Timer event sponsored Tony Italiano limited Indoor Stick designs pub event lished between January 11934 December 31 1942 No high-tech materials allowed states entrants added together make Fred Rash Unlimited Rubber Speed model designed Bill Henderson Its quite challenge properly adjust models maintain approximately same circle diameter two timed laps state team score state two fliers entered scores two highest team members used 1988 concept drew several teams spite short notice year seven teams entered New Jersey team Gary Underwood Doug Barber beat Dave Aronstein Andy Tagliafico Washing ton State team 2359 2240 reporter interesting re velation years FROG competi tion fact fancy aerodynamics may Wayne Trivin built delicate little six Inch-span Pistachio Scale Nesmith Cougar very nature size little airplanes quite difficult build have very temperamental flight characteristics Pete Staehling seen FROG model slow-speed winner clocking 119 mph climbing almost ceiling stately 7179-second flight carry lesser ultimate advantage skilled choice power components True Dave Aronsteins winning model vortex-fighting pointed tips full-fuselage bracing fuselage length far ex ceeded Skinnie Minnie standard Yet Gary Underwood used what appeared Skinnie Minnie lengthened braced fuselage log 650 Joe Nuszers model turned 645 ellipti cal surfaces somewhat lower aspect ratio Skinnie Minnie Finally Jim Clem 54 Model Aviation Left Really striking No-Cal 1950 Gloater Javelin jet built Dave Aronstein flew very wellbut long enough Right Another No-Cal DC-9 crafted Tony Sutter very pretty under power motor ran down glide became ballistic nature John Vorhees built Unlimited Speed job easier tame some others like Jim Thomberrys Sleek Streak re quired dozens attempts complete two timing runs Sleek Streak resembled enraged bumble bee flying Jim finally won Speed event clocking 1467 mph did 559 original model having 12-in fuselage other words FROG model long motor driving effective prop would seem have better chance winning event does Certainly prop critical importance Federa tion rules limit prop diameter specifying starting point com mercial plastic prop means 9-india prop hefty weight grams must laboriously cut scraped down 6-in dia approximately 16 grams kind meticulous work flier must have fierce determination excel Old-Timer Stick Old-Timer event sponsored Tony Italiano limited door Stick model designs published widely between January 1 1934 December 31 1942 construction must accord published plans except differ ent wood sizes may used No high-tech materials recent developments such variable-pitch variable-diameter props may used Vague though rules may sound Tonys event decides exactly what mean somewhat embarrassing note Senior Don Slusarczyk won Old-Timer event 2651 time flying unbraced microfilm model comparison Rich Doig won Indoor Stick 3521 flying full-house FiD model fully braced turning variable-diameter prop Thats 32% improvement 47 years de spite advances technology pretty models unusual de signs found among Bostonian No-Cal Scale models case Bosto nian rules intended foster new aesthetically appealing designs construction freedom allowed No-Cals weight savings inherent built-up pro file fuselage add considerable leeway choice subjectairplanes would make poor AMA Scale subjects fly reason ably well hand-launched profile model Dave Aronsteins 1950 Gloster Javelin Jet example flew very well though too brief time Tony Sutters DC-9 very pretty under power glide ballis tic nature Rubber Speed Rubber Speed event both fascinating frustrating Two classes category flown USIC Peanut Speed Unlimited Rubber Speed flight rules same both Rubber-powered prop-driven models must ROG full three-point position models timed two complete laps around pylons 20 ft apart flight disqualified model touches ground pylon after takeoff What makes Rubber Speed competition problematical power available model varies drastically during flight model must maintain approximately same circle diameter during two timed laps regardless speed altitude gained thrust remaining circle gins correct diameter opens up motor may run down before end second lap model zooms too high may drift beyond pylons disqualified flight adjustments drain off too much zoom model may touch down too soon Add interplay among flight adjustments have quite challenge slowest Unlimited Speed entry Pete Staehlings FROG Staehling required two trials zero course model climbed almost ceilingat stately speed 119 mphin 7179 sec onds Obviously Staehling wasnt win winning Speed Sleek Streak 1467 mph Jim Thornberry required doz ens attempts complete two timed runs because model resembled enraged bumblebee flight Pistachio Scale tiny 6-in -span Scale models super-delicate hard build harder flybut lot fliers keep trying Wayne Trivin did great job building Nesmith Cougar John Martins Rex Stout crafted mainly 0002-in -thick Styrofoam sheet says material very easy work quite durable Catapult Glider slowly developContinued page 160 September 1989 55 Left This neat little Pistachio Scale Rex Stout constructed John Martin 0002-in Styrofoam sheet Right Roy White holding basically conventional Ornithopter except its entirely covered Microfilm including biplane flapping surfaces flappers all-wood framework differential strength between leading trailing edge pieces flapping action would normal highly unusual Helicopter con structed John Merett Its all-balsa model unorthodox cruise pattern As descends flies about 450 attitude unloads rotors speed up allowing model climb vertically little before dropping back sideways flight very tiny Glider helped relieve boredom Round FiD competition Just old days tiny Gliders perched balloon carried near ceiling bumped off allowed glide back down Freedom 207 Proof positiv Freedom 20s it2stTUCtZOfl booklet makes buildi, east Make circus Years ago member San Antonio Gas Model Association pre WW II annual meet printed program mostly advertisements local merchants around $1000 prizes donated merchants very well known town activities enthusiastically re ported local newspaper made big thing out San An tonio Boys did well contest Austin Hous ton Amarillo etc important publicity committee es tablish personal relationship sports ed itor local newspaper keep him well formed early San Antonio Gas Model Asso ciation could have swatted aside prob lems facing modem clubs Clout Perhaps two local meets aimed public should arranged Plan around fun-fly format events such egg drops balloon busting Scale etc course during events field would have closed members sport flying hardly think would bother member unless showed traces Puri tan complex club must make public aware its existence order build Clout Building community involvement admittedly calls lot hard work part club youll have voice maintaining presence community Making ourselves vis ible public seems really way enjoy hobby minimum restriction deploy enough Clout defend ourselves against Puritans Its really simplejust find lift trim little up control circle USIC/Tenny 7 Continued page 55 ing event hasnt produced surprises major advances technology Model weight may well critical HLG cause Catapult rules limit wingspan chord 12 x 3 No other design structural limita tions imposed event As near could tell models very well matched ceilingexcept perhaps winner Chuck Markos placed second last year 13 sec onds behind Bob Warmann year Chuck turned tables time 18 sec onds higher last years beat Bob Warmann 13 seconds give few reference points somewhat esoteric event profile Markos model 6-gram weight Chucks K winning airplane up 45 grams last-year model Polyhedral wings aided roll-out came over top straight away 700 launch All-balsa except spruce wing leading edge model 15% stab wing A-in quarter-grained wood about 003 undercamber launch rub ber 7-in loop 019-in Pirelli stretched full arms length fact Chuck put launch hook just back wing leading edge instead nose get extra 4 stretch out rubber rubber story several years Rubber model fliers have watched precious stocks Pirelli rubber dwindle deteriorate num ber other sources rubber have appeared proved unsatisfactory various reasons lat est Indoor power source new tan rubber FAI Model Supply As meet started people comparing notes about experi WORlDS BIGGEST SCALE PHOTO SERVICE l000 PHOTO PACKS *100 *BLUE RIDGE PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING MACHINERYA TOOLS SASE Enierging Box 536-Y Jim PepirosHurricane WV 25526 Catalog *400 60 pagesSCALE PlANS toil PROIfi SEHUICE offer complete selection MadIson Gpeosboro NC 27403lathes mills tools 3209 hOOT 119191 292-5239 No collectAviation Modeler jij ri u 1 *9 t1 Model Aviation responding advertisers mention thatyou read about MadelAviation WE BUILD YOUR HELl TEST YOUR HELl ~\REPAIRYOURHELI KL1 322 North 7th St ~i1Lehighton Pa 18235 WRITE OR CALL FOR INFORMA TION Theyre ones have show up field clunky-looking model besides experts will admit better looking plane can actually betterflyng plane _______BETTER LOOKS THAT COME FREEDOM 20FROM BETTER FLYING WCPAN 0j0lt TNCHPS ences tan rubber Although few fliers point enough experience support strong hunch certainly lot tan used meet since few contestants enough certifiably good Pi relli feel safe relying alone suspect tan won events opinion several fliers tan rubber offers energy storage least equal Pirelli perhaps better over average certainly seems less prone breaking under hard use Pirelli However torque curve definitely has different shape Pirelli re quires recalibration variable props good deal experimentation find correct rubber length/cross section ratios given site Reviewing years results several fliers ex pressed opinion overall meet times lower average 1988 USIC impression largely unfounded events saw drop times ROG Stick Stick FAI cap tured 1988 Jim Richmond top Open times other events higher amounts ranging 2% 12% Nothing skews curves like having Jim Richmond en tered eventand Jim didnt fly year Helicopter Ornithopter USIC giv ing AMAs orphan events arena gradually increasing popularity Two models exhibited design construction innova tions although neither placed both flew well Roy Whites model entirely covered microfilm including biplane flapping surfac es Since flapper used all-wood framework differential strength between leading trailing edges flapping action normal Whites model employed conventional linkage design John Meretts all-balsa Helicopter greatly outRC EXTRA SRR1 Box 28-BTHE VIBRATION KILLER 712-943-4102 Sergeant Bluff IA 51054 FW 000 toOl P00 th Order Large AIrplane Supplies00fl~ TYPOS 01b00100 Oootion WEEKS SPECIAL Esoont 101st too pont ooOond Extr230 33%S2298Splus$15SftH 5000812 koOnonyO00 30% *2199Eplus$1526% OSlpIus8lOpotoMAP~tSPOBOX Check y Order No COD3fl2 YL 1sdfltO 00072 sat. Please send 1 current IIIii log listing ur kits end Walt Moucha ModelsPO Box 11 2A 906-863-1225 e Menominee Ml 49858 Rubber & Eng Power Free Flight Display1 Control Line Electric Power R/C Airplanes new Illustrated 32 page tabloid size catalog US & Canada $100 Foren $300 Penn Valley Hobby enter 837-A W Main St Lanadale PA 19446 its unique progressive airfoil completely eliminates tip stalling DREAM TO FLY THATS DREAM TO BUILD youre inexperienced builder assembling Freedom 20 will breeze Youll work self-aligning components precision-cut balsa plywood fittino hardware youll need included weighed other entrants rotors approximate Easy B prop size equipped tiplets give model unusual cruise pat tern As Helicopter descends flies about 450 attitude unloads rotors speed up allowing model climb vertically little before dropping back sideways flight Its very stable controlled descent Time out Lets face spirited competition Fl D Indoor Stick somewhat boring After beautifully graceful mod els take 35 minutes drift lazily up ceiling back During first round FID small white balloon spotted corner dome rising slowly gingerly girders quickly descending laid-back atmos phere FLD caused minor clamor run ning commentary charted balloons progress still did go quick investigation revealed Vito Gag liano Otto Curth Bob Warmann sim ply reliving modeling history Years ago di version after contests small Gliders would air lifted atop balloon allowed drift back down Glider used years trio though tiny could barely spotted fell off balloon prematurely dragged off contact girder After sev eral tries miniscule Glider adjusted well enough make flights about 30 seconds isnt easy adjust model will almost fit side fist bottom line USIC meet has dramati cally affected overall Indoor competition pic ture Helicopter Ornithopter example record-only events years now showing spirited competitionand soaring times Indoor September 1989 161 hatw beautiful lasL superb sport-trainer looks good flies Lots experts will say shouldnt worry about looks choose trainer Cabin waning slowly reviving growing Catapult Glider pio neered Chicago Aeronuts meets now USIC creating another high-level contest fly Excellent contest management has always hallmark USIC year no ex ception doubtless reasons entry list slowly steadily growing Though meet has subsidized Na tional Free Flight Society general fund gen erosity cannot continue forever would take about 125 entrants annually USIC break Lets get behind best Indoor meet world FF Duration/Fruciano Continued page 57 balsa aluminum carefully centered laminate wrapped around mandrel appropriate shape form tube allowed dry Its light tough requires no further finish Thin-walled surgical tubing used make pressure-bladder tank eas ily inserted tubes cavity major depanure convention de sign application plain V-dihedral competition Power fliers seem have adopted feature V-dihedral Xenon other West Coast ships does its job well perhaps better standard multipanel polyhedral wings Ease construction lighter tal weight since two dihedral joints elimi nated additional efficiency clean un broken spans positive factors asked Whatand name Xe non Randy replied Its gas Seldom has Free Flight modeler dis posal products materials presently avail able him used satisfy ourselves balsa tissue acetate-based cements en gines moderate ability todays modeler pushed maximum find proper applica tion bulletproof fabricsmaterials pound pound stronger steel foams unique strength capabilities cements con tinue improve abilities dry faster can lay parts down assembly Some present-day aeromodelers can re late experience old Rip Van Winkle awoke after 20-year sleep find life around him changed radically present assignments volunteer membership chairman National Free Flight society NFFS Hardly day passes house phone call letter former model builder has decided get back Free Flight realize have ma jor changes begs informa tion will bring him up date position fill fellow Free Flighters am offered excellent vantage point Free Flight growth pattern ad ditions ranks coming former model ers want again RC fliers ready different kind aeromodeling challenge Free Flight alive well perhaps bit different years past still challenge ingenuity skill its practitioners recently chance compare NFFS membership list names par ticipated 88 Lawrenceville IL FF Nats ably organized after FF events AMA Tidewater VA Nats can celled Less 50% participating Lawrenceville NFFS members Cmon fellas know theres no such thing free lunch Tony Ital iano dedicated group formed run Law renceville contest would have happened time read 89 contest will also history However dont embarrassed participated NFFS member matter easily rectified forwarding $15 one-year membership writer name address appear top article Fellow PMAC Phoenix Model Airplane Club member Al Lidbergs prolific workbench contin ues source Free Flight Scale models configurations am sure well acquainted some construc tion articles have appeared MA past must comment upon Als thoroughness aim making faithful good-flying replica full-scale aircraft witness too months ago Al appeared flying field C02-powered Me- 163B Komet Au gust 1988 MA Now constructing Flying Scale model Me-163 would normally give modeler sec ond thoughts especially intended actually fly Als ship same appeared photos construction article complete battle paint flip prop 163B away vertical climb would have rivalled its full-scale ancestor straight up 15 sec followed fast flat glide made wonder 16-in-span model could provide such performance little wing area outstanding demonstration ability Scale models perform well designed flown capable modeler INTRODUCING THE. FLEX-MO UNT FOR 40 AND 60 SIZE ENGINES Reduces Airframe Noise Isolates Engine Vibration Versatile 3 & 4 Hole Mount Universal Mounting System PLANES/ NGS/ 1226 E Ave a-ia Lancaster CA 93535 Available through belier Hobby Shops Dealer ributor Inquiries Invited FLEX MOUNT 60 Accepts Front-tntake 60 Engines toclodes necessary mounting hardware Made USA 162 Model Aviation DODGSu Ut * ThEY KNOW THAT THEY ARE FLYING THE MOST LETHAL MULTITASK THERMAL COMPETITION GLIDER KIT IN THE KNOWN WORLD IT IS TIGHT AND THRILLING SCREAMER ONE MINUTE AND GENTLE SOLID SHIP THAT CAN CLIMB OUT ON THE SLIGHTEST HINT OF LFT THE NEXT MINUTE ** FULL SOPHISTICATED CONTROL FUNCTIONS CAN BE ACIIEVED WITH EVEN SIMPLE 4 CHANNEL RADIO AND YET ThE NEW COMPUTER DRIVEN RADIOS CAN BE USED ALSO ** THIS GLIDER LINE HAS SOMETHING TO CROW ABOUT HAVING INTRODUCED IT WITH THE WINDSONG IN 1982 THE COMPETITION HAS BEEN EATING CROW EVER SINCEI 4 PICTURED DAVE BANKS ONE OF SOARINGS BESTI * Seimd 2 ttmp 10 ow sew catdog * * Ou# Newsletter 8ECO W3 8911 Now Avalebi Pal SI * 2isu uamson Road Bothell WA 98021 206-776-8067 FM-40 FLEX-MO UNt 40 Accepts Front-Intake 25 toSS Engines Includes necessary mounting hardware
Edition: Model Aviation - 1989/09
Page Numbers: 53, 54, 55, 160, 161, 162
I US Indoor* *1 Championships place Indoor addict June 1-4 year Under 116-ft dome East Tennessee State Univer sity Johnson City staged 21 official events unoffi cial ones EBud Tenny THE EIGHTH ANNUAL US Indoor Championships USIC sponsored National Free Flight Society under direction Tony Italiano several other experienced CDs 100 entrants 25 states Canada flying 21 offi cial events eight unofficial events spon sored individuals model airplane clubs combined total official un official events other door contest world meet re ported both TV newspapers spectators watched bleach ers during last two days contest majority uninitiated specta tors awesome flight times slow flights Indoor Stick FAI Easy B models make impressive air craft championships Man hattans Indoor Cabin models theres always uncertainty successful take offs Most easily understood specta tors Scale models Since mimic full-size airplanes look like theyre meant fly lightweight models other hand didnt provoke much excite ment among experienced modelers un less close escapes turned ex ceptional times Otherwise frankly pretty boring Contest Board action occasion con tests experience problems model eligi bility rules interpretations Traditionally problem referred Con test Board resolution usually de lay several weeks year however seven 11 Indoor Contest Board mem bers quorum contest USIC first problem occurred during Helicopter event rotor blade models became caught inside ventilation louvers stopping rotor model eventually freed itself flight time inflated mishap re vealed Indoor Helicopter rules based definitions Outdoor Helicop ter rules naturally leads limbo hang-ups arent recognized much less provided second quandary faced decid ing whether two Cabin models met re quirements fuselage design Both issues addressed Contest Board mem bers present providing immediate guidance CD issues must now undergo ratification mail vote entire board before becoming official September 1989 53 High Time award Federation ROG handmade Mary Ann Barber very impressive effort much appreciated Dave Aronsteins model took top honors Federation ROG event clocking 701 vortex-fighting pointed tips fullfuselage bracing much longer fuse lage usual Skinnie Minnie designs model appears con ventional Skinnie Minnie lengthened braced fuselage flown second place Gary Underwood time 650 distinctive trophies awarded first second third place Federation ROG winners third place winner being Joe Nuszer clocked respectable 645 Federation ROG event first conceived Federation ROG FROG never expected produce high times Sur prisingly early year Dave Aronstein broke five-minute barrier end FROG session 14 official flights exceeded Daves 507 paceset ter Dave still led wayhis two best times 657 701 exceeded top times other contestants However turning top individual times didnt make Dave king FROG because event judged team ba 515 FROG competition USIC orig inated Tony Becker 1988 About three weeks before contest started Tony sued challenge via modeling grape vine FROG would flown team Ron Ganser built comely reproduction Walt Erbachs original oldie Stick model two best scores Old-Timer event sponsored Tony Italiano limited Indoor Stick designs pub event lished between January 11934 December 31 1942 No high-tech materials allowed states entrants added together make Fred Rash Unlimited Rubber Speed model designed Bill Henderson Its quite challenge properly adjust models maintain approximately same circle diameter two timed laps state team score state two fliers entered scores two highest team members used 1988 concept drew several teams spite short notice year seven teams entered New Jersey team Gary Underwood Doug Barber beat Dave Aronstein Andy Tagliafico Washing ton State team 2359 2240 reporter interesting re velation years FROG competi tion fact fancy aerodynamics may Wayne Trivin built delicate little six Inch-span Pistachio Scale Nesmith Cougar very nature size little airplanes quite difficult build have very temperamental flight characteristics Pete Staehling seen FROG model slow-speed winner clocking 119 mph climbing almost ceiling stately 7179-second flight carry lesser ultimate advantage skilled choice power components True Dave Aronsteins winning model vortex-fighting pointed tips full-fuselage bracing fuselage length far ex ceeded Skinnie Minnie standard Yet Gary Underwood used what appeared Skinnie Minnie lengthened braced fuselage log 650 Joe Nuszers model turned 645 ellipti cal surfaces somewhat lower aspect ratio Skinnie Minnie Finally Jim Clem 54 Model Aviation Left Really striking No-Cal 1950 Gloater Javelin jet built Dave Aronstein flew very wellbut long enough Right Another No-Cal DC-9 crafted Tony Sutter very pretty under power motor ran down glide became ballistic nature John Vorhees built Unlimited Speed job easier tame some others like Jim Thomberrys Sleek Streak re quired dozens attempts complete two timing runs Sleek Streak resembled enraged bumble bee flying Jim finally won Speed event clocking 1467 mph did 559 original model having 12-in fuselage other words FROG model long motor driving effective prop would seem have better chance winning event does Certainly prop critical importance Federa tion rules limit prop diameter specifying starting point com mercial plastic prop means 9-india prop hefty weight grams must laboriously cut scraped down 6-in dia approximately 16 grams kind meticulous work flier must have fierce determination excel Old-Timer Stick Old-Timer event sponsored Tony Italiano limited door Stick model designs published widely between January 1 1934 December 31 1942 construction must accord published plans except differ ent wood sizes may used No high-tech materials recent developments such variable-pitch variable-diameter props may used Vague though rules may sound Tonys event decides exactly what mean somewhat embarrassing note Senior Don Slusarczyk won Old-Timer event 2651 time flying unbraced microfilm model comparison Rich Doig won Indoor Stick 3521 flying full-house FiD model fully braced turning variable-diameter prop Thats 32% improvement 47 years de spite advances technology pretty models unusual de signs found among Bostonian No-Cal Scale models case Bosto nian rules intended foster new aesthetically appealing designs construction freedom allowed No-Cals weight savings inherent built-up pro file fuselage add considerable leeway choice subjectairplanes would make poor AMA Scale subjects fly reason ably well hand-launched profile model Dave Aronsteins 1950 Gloster Javelin Jet example flew very well though too brief time Tony Sutters DC-9 very pretty under power glide ballis tic nature Rubber Speed Rubber Speed event both fascinating frustrating Two classes category flown USIC Peanut Speed Unlimited Rubber Speed flight rules same both Rubber-powered prop-driven models must ROG full three-point position models timed two complete laps around pylons 20 ft apart flight disqualified model touches ground pylon after takeoff What makes Rubber Speed competition problematical power available model varies drastically during flight model must maintain approximately same circle diameter during two timed laps regardless speed altitude gained thrust remaining circle gins correct diameter opens up motor may run down before end second lap model zooms too high may drift beyond pylons disqualified flight adjustments drain off too much zoom model may touch down too soon Add interplay among flight adjustments have quite challenge slowest Unlimited Speed entry Pete Staehlings FROG Staehling required two trials zero course model climbed almost ceilingat stately speed 119 mphin 7179 sec onds Obviously Staehling wasnt win winning Speed Sleek Streak 1467 mph Jim Thornberry required doz ens attempts complete two timed runs because model resembled enraged bumblebee flight Pistachio Scale tiny 6-in -span Scale models super-delicate hard build harder flybut lot fliers keep trying Wayne Trivin did great job building Nesmith Cougar John Martins Rex Stout crafted mainly 0002-in -thick Styrofoam sheet says material very easy work quite durable Catapult Glider slowly developContinued page 160 September 1989 55 Left This neat little Pistachio Scale Rex Stout constructed John Martin 0002-in Styrofoam sheet Right Roy White holding basically conventional Ornithopter except its entirely covered Microfilm including biplane flapping surfaces flappers all-wood framework differential strength between leading trailing edge pieces flapping action would normal highly unusual Helicopter con structed John Merett Its all-balsa model unorthodox cruise pattern As descends flies about 450 attitude unloads rotors speed up allowing model climb vertically little before dropping back sideways flight very tiny Glider helped relieve boredom Round FiD competition Just old days tiny Gliders perched balloon carried near ceiling bumped off allowed glide back down Freedom 207 Proof positiv Freedom 20s it2stTUCtZOfl booklet makes buildi, east Make circus Years ago member San Antonio Gas Model Association pre WW II annual meet printed program mostly advertisements local merchants around $1000 prizes donated merchants very well known town activities enthusiastically re ported local newspaper made big thing out San An tonio Boys did well contest Austin Hous ton Amarillo etc important publicity committee es tablish personal relationship sports ed itor local newspaper keep him well formed early San Antonio Gas Model Asso ciation could have swatted aside prob lems facing modem clubs Clout Perhaps two local meets aimed public should arranged Plan around fun-fly format events such egg drops balloon busting Scale etc course during events field would have closed members sport flying hardly think would bother member unless showed traces Puri tan complex club must make public aware its existence order build Clout Building community involvement admittedly calls lot hard work part club youll have voice maintaining presence community Making ourselves vis ible public seems really way enjoy hobby minimum restriction deploy enough Clout defend ourselves against Puritans Its really simplejust find lift trim little up control circle USIC/Tenny 7 Continued page 55 ing event hasnt produced surprises major advances technology Model weight may well critical HLG cause Catapult rules limit wingspan chord 12 x 3 No other design structural limita tions imposed event As near could tell models very well matched ceilingexcept perhaps winner Chuck Markos placed second last year 13 sec onds behind Bob Warmann year Chuck turned tables time 18 sec onds higher last years beat Bob Warmann 13 seconds give few reference points somewhat esoteric event profile Markos model 6-gram weight Chucks K winning airplane up 45 grams last-year model Polyhedral wings aided roll-out came over top straight away 700 launch All-balsa except spruce wing leading edge model 15% stab wing A-in quarter-grained wood about 003 undercamber launch rub ber 7-in loop 019-in Pirelli stretched full arms length fact Chuck put launch hook just back wing leading edge instead nose get extra 4 stretch out rubber rubber story several years Rubber model fliers have watched precious stocks Pirelli rubber dwindle deteriorate num ber other sources rubber have appeared proved unsatisfactory various reasons lat est Indoor power source new tan rubber FAI Model Supply As meet started people comparing notes about experi WORlDS BIGGEST SCALE PHOTO SERVICE l000 PHOTO PACKS *100 *BLUE RIDGE PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING MACHINERYA TOOLS SASE Enierging Box 536-Y Jim PepirosHurricane WV 25526 Catalog *400 60 pagesSCALE PlANS toil PROIfi SEHUICE offer complete selection MadIson Gpeosboro NC 27403lathes mills tools 3209 hOOT 119191 292-5239 No collectAviation Modeler jij ri u 1 *9 t1 Model Aviation responding advertisers mention thatyou read about MadelAviation WE BUILD YOUR HELl TEST YOUR HELl ~\REPAIRYOURHELI KL1 322 North 7th St ~i1Lehighton Pa 18235 WRITE OR CALL FOR INFORMA TION Theyre ones have show up field clunky-looking model besides experts will admit better looking plane can actually betterflyng plane _______BETTER LOOKS THAT COME FREEDOM 20FROM BETTER FLYING WCPAN 0j0lt TNCHPS ences tan rubber Although few fliers point enough experience support strong hunch certainly lot tan used meet since few contestants enough certifiably good Pi relli feel safe relying alone suspect tan won events opinion several fliers tan rubber offers energy storage least equal Pirelli perhaps better over average certainly seems less prone breaking under hard use Pirelli However torque curve definitely has different shape Pirelli re quires recalibration variable props good deal experimentation find correct rubber length/cross section ratios given site Reviewing years results several fliers ex pressed opinion overall meet times lower average 1988 USIC impression largely unfounded events saw drop times ROG Stick Stick FAI cap tured 1988 Jim Richmond top Open times other events higher amounts ranging 2% 12% Nothing skews curves like having Jim Richmond en tered eventand Jim didnt fly year Helicopter Ornithopter USIC giv ing AMAs orphan events arena gradually increasing popularity Two models exhibited design construction innova tions although neither placed both flew well Roy Whites model entirely covered microfilm including biplane flapping surfac es Since flapper used all-wood framework differential strength between leading trailing edges flapping action normal Whites model employed conventional linkage design John Meretts all-balsa Helicopter greatly outRC EXTRA SRR1 Box 28-BTHE VIBRATION KILLER 712-943-4102 Sergeant Bluff IA 51054 FW 000 toOl P00 th Order Large AIrplane Supplies00fl~ TYPOS 01b00100 Oootion WEEKS SPECIAL Esoont 101st too pont ooOond Extr230 33%S2298Splus$15SftH 5000812 koOnonyO00 30% *2199Eplus$1526% OSlpIus8lOpotoMAP~tSPOBOX Check y Order No COD3fl2 YL 1sdfltO 00072 sat. Please send 1 current IIIii log listing ur kits end Walt Moucha ModelsPO Box 11 2A 906-863-1225 e Menominee Ml 49858 Rubber & Eng Power Free Flight Display1 Control Line Electric Power R/C Airplanes new Illustrated 32 page tabloid size catalog US & Canada $100 Foren $300 Penn Valley Hobby enter 837-A W Main St Lanadale PA 19446 its unique progressive airfoil completely eliminates tip stalling DREAM TO FLY THATS DREAM TO BUILD youre inexperienced builder assembling Freedom 20 will breeze Youll work self-aligning components precision-cut balsa plywood fittino hardware youll need included weighed other entrants rotors approximate Easy B prop size equipped tiplets give model unusual cruise pat tern As Helicopter descends flies about 450 attitude unloads rotors speed up allowing model climb vertically little before dropping back sideways flight Its very stable controlled descent Time out Lets face spirited competition Fl D Indoor Stick somewhat boring After beautifully graceful mod els take 35 minutes drift lazily up ceiling back During first round FID small white balloon spotted corner dome rising slowly gingerly girders quickly descending laid-back atmos phere FLD caused minor clamor run ning commentary charted balloons progress still did go quick investigation revealed Vito Gag liano Otto Curth Bob Warmann sim ply reliving modeling history Years ago di version after contests small Gliders would air lifted atop balloon allowed drift back down Glider used years trio though tiny could barely spotted fell off balloon prematurely dragged off contact girder After sev eral tries miniscule Glider adjusted well enough make flights about 30 seconds isnt easy adjust model will almost fit side fist bottom line USIC meet has dramati cally affected overall Indoor competition pic ture Helicopter Ornithopter example record-only events years now showing spirited competitionand soaring times Indoor September 1989 161 hatw beautiful lasL superb sport-trainer looks good flies Lots experts will say shouldnt worry about looks choose trainer Cabin waning slowly reviving growing Catapult Glider pio neered Chicago Aeronuts meets now USIC creating another high-level contest fly Excellent contest management has always hallmark USIC year no ex ception doubtless reasons entry list slowly steadily growing Though meet has subsidized Na tional Free Flight Society general fund gen erosity cannot continue forever would take about 125 entrants annually USIC break Lets get behind best Indoor meet world FF Duration/Fruciano Continued page 57 balsa aluminum carefully centered laminate wrapped around mandrel appropriate shape form tube allowed dry Its light tough requires no further finish Thin-walled surgical tubing used make pressure-bladder tank eas ily inserted tubes cavity major depanure convention de sign application plain V-dihedral competition Power fliers seem have adopted feature V-dihedral Xenon other West Coast ships does its job well perhaps better standard multipanel polyhedral wings Ease construction lighter tal weight since two dihedral joints elimi nated additional efficiency clean un broken spans positive factors asked Whatand name Xe non Randy replied Its gas Seldom has Free Flight modeler dis posal products materials presently avail able him used satisfy ourselves balsa tissue acetate-based cements en gines moderate ability todays modeler pushed maximum find proper applica tion bulletproof fabricsmaterials pound pound stronger steel foams unique strength capabilities cements con tinue improve abilities dry faster can lay parts down assembly Some present-day aeromodelers can re late experience old Rip Van Winkle awoke after 20-year sleep find life around him changed radically present assignments volunteer membership chairman National Free Flight society NFFS Hardly day passes house phone call letter former model builder has decided get back Free Flight realize have ma jor changes begs informa tion will bring him up date position fill fellow Free Flighters am offered excellent vantage point Free Flight growth pattern ad ditions ranks coming former model ers want again RC fliers ready different kind aeromodeling challenge Free Flight alive well perhaps bit different years past still challenge ingenuity skill its practitioners recently chance compare NFFS membership list names par ticipated 88 Lawrenceville IL FF Nats ably organized after FF events AMA Tidewater VA Nats can celled Less 50% participating Lawrenceville NFFS members Cmon fellas know theres no such thing free lunch Tony Ital iano dedicated group formed run Law renceville contest would have happened time read 89 contest will also history However dont embarrassed participated NFFS member matter easily rectified forwarding $15 one-year membership writer name address appear top article Fellow PMAC Phoenix Model Airplane Club member Al Lidbergs prolific workbench contin ues source Free Flight Scale models configurations am sure well acquainted some construc tion articles have appeared MA past must comment upon Als thoroughness aim making faithful good-flying replica full-scale aircraft witness too months ago Al appeared flying field C02-powered Me- 163B Komet Au gust 1988 MA Now constructing Flying Scale model Me-163 would normally give modeler sec ond thoughts especially intended actually fly Als ship same appeared photos construction article complete battle paint flip prop 163B away vertical climb would have rivalled its full-scale ancestor straight up 15 sec followed fast flat glide made wonder 16-in-span model could provide such performance little wing area outstanding demonstration ability Scale models perform well designed flown capable modeler INTRODUCING THE. FLEX-MO UNT FOR 40 AND 60 SIZE ENGINES Reduces Airframe Noise Isolates Engine Vibration Versatile 3 & 4 Hole Mount Universal Mounting System PLANES/ NGS/ 1226 E Ave a-ia Lancaster CA 93535 Available through belier Hobby Shops Dealer ributor Inquiries Invited FLEX MOUNT 60 Accepts Front-tntake 60 Engines toclodes necessary mounting hardware Made USA 162 Model Aviation DODGSu Ut * ThEY KNOW THAT THEY ARE FLYING THE MOST LETHAL MULTITASK THERMAL COMPETITION GLIDER KIT IN THE KNOWN WORLD IT IS TIGHT AND THRILLING SCREAMER ONE MINUTE AND GENTLE SOLID SHIP THAT CAN CLIMB OUT ON THE SLIGHTEST HINT OF LFT THE NEXT MINUTE ** FULL SOPHISTICATED CONTROL FUNCTIONS CAN BE ACIIEVED WITH EVEN SIMPLE 4 CHANNEL RADIO AND YET ThE NEW COMPUTER DRIVEN RADIOS CAN BE USED ALSO ** THIS GLIDER LINE HAS SOMETHING TO CROW ABOUT HAVING INTRODUCED IT WITH THE WINDSONG IN 1982 THE COMPETITION HAS BEEN EATING CROW EVER SINCEI 4 PICTURED DAVE BANKS ONE OF SOARINGS BESTI * Seimd 2 ttmp 10 ow sew catdog * * Ou# Newsletter 8ECO W3 8911 Now Avalebi Pal SI * 2isu uamson Road Bothell WA 98021 206-776-8067 FM-40 FLEX-MO UNt 40 Accepts Front-Intake 25 toSS Engines Includes necessary mounting hardware
Edition: Model Aviation - 1989/09
Page Numbers: 53, 54, 55, 160, 161, 162
I US Indoor* *1 Championships place Indoor addict June 1-4 year Under 116-ft dome East Tennessee State Univer sity Johnson City staged 21 official events unoffi cial ones EBud Tenny THE EIGHTH ANNUAL US Indoor Championships USIC sponsored National Free Flight Society under direction Tony Italiano several other experienced CDs 100 entrants 25 states Canada flying 21 offi cial events eight unofficial events spon sored individuals model airplane clubs combined total official un official events other door contest world meet re ported both TV newspapers spectators watched bleach ers during last two days contest majority uninitiated specta tors awesome flight times slow flights Indoor Stick FAI Easy B models make impressive air craft championships Man hattans Indoor Cabin models theres always uncertainty successful take offs Most easily understood specta tors Scale models Since mimic full-size airplanes look like theyre meant fly lightweight models other hand didnt provoke much excite ment among experienced modelers un less close escapes turned ex ceptional times Otherwise frankly pretty boring Contest Board action occasion con tests experience problems model eligi bility rules interpretations Traditionally problem referred Con test Board resolution usually de lay several weeks year however seven 11 Indoor Contest Board mem bers quorum contest USIC first problem occurred during Helicopter event rotor blade models became caught inside ventilation louvers stopping rotor model eventually freed itself flight time inflated mishap re vealed Indoor Helicopter rules based definitions Outdoor Helicop ter rules naturally leads limbo hang-ups arent recognized much less provided second quandary faced decid ing whether two Cabin models met re quirements fuselage design Both issues addressed Contest Board mem bers present providing immediate guidance CD issues must now undergo ratification mail vote entire board before becoming official September 1989 53 High Time award Federation ROG handmade Mary Ann Barber very impressive effort much appreciated Dave Aronsteins model took top honors Federation ROG event clocking 701 vortex-fighting pointed tips fullfuselage bracing much longer fuse lage usual Skinnie Minnie designs model appears con ventional Skinnie Minnie lengthened braced fuselage flown second place Gary Underwood time 650 distinctive trophies awarded first second third place Federation ROG winners third place winner being Joe Nuszer clocked respectable 645 Federation ROG event first conceived Federation ROG FROG never expected produce high times Sur prisingly early year Dave Aronstein broke five-minute barrier end FROG session 14 official flights exceeded Daves 507 paceset ter Dave still led wayhis two best times 657 701 exceeded top times other contestants However turning top individual times didnt make Dave king FROG because event judged team ba 515 FROG competition USIC orig inated Tony Becker 1988 About three weeks before contest started Tony sued challenge via modeling grape vine FROG would flown team Ron Ganser built comely reproduction Walt Erbachs original oldie Stick model two best scores Old-Timer event sponsored Tony Italiano limited Indoor Stick designs pub event lished between January 11934 December 31 1942 No high-tech materials allowed states entrants added together make Fred Rash Unlimited Rubber Speed model designed Bill Henderson Its quite challenge properly adjust models maintain approximately same circle diameter two timed laps state team score state two fliers entered scores two highest team members used 1988 concept drew several teams spite short notice year seven teams entered New Jersey team Gary Underwood Doug Barber beat Dave Aronstein Andy Tagliafico Washing ton State team 2359 2240 reporter interesting re velation years FROG competi tion fact fancy aerodynamics may Wayne Trivin built delicate little six Inch-span Pistachio Scale Nesmith Cougar very nature size little airplanes quite difficult build have very temperamental flight characteristics Pete Staehling seen FROG model slow-speed winner clocking 119 mph climbing almost ceiling stately 7179-second flight carry lesser ultimate advantage skilled choice power components True Dave Aronsteins winning model vortex-fighting pointed tips full-fuselage bracing fuselage length far ex ceeded Skinnie Minnie standard Yet Gary Underwood used what appeared Skinnie Minnie lengthened braced fuselage log 650 Joe Nuszers model turned 645 ellipti cal surfaces somewhat lower aspect ratio Skinnie Minnie Finally Jim Clem 54 Model Aviation Left Really striking No-Cal 1950 Gloater Javelin jet built Dave Aronstein flew very wellbut long enough Right Another No-Cal DC-9 crafted Tony Sutter very pretty under power motor ran down glide became ballistic nature John Vorhees built Unlimited Speed job easier tame some others like Jim Thomberrys Sleek Streak re quired dozens attempts complete two timing runs Sleek Streak resembled enraged bumble bee flying Jim finally won Speed event clocking 1467 mph did 559 original model having 12-in fuselage other words FROG model long motor driving effective prop would seem have better chance winning event does Certainly prop critical importance Federa tion rules limit prop diameter specifying starting point com mercial plastic prop means 9-india prop hefty weight grams must laboriously cut scraped down 6-in dia approximately 16 grams kind meticulous work flier must have fierce determination excel Old-Timer Stick Old-Timer event sponsored Tony Italiano limited door Stick model designs published widely between January 1 1934 December 31 1942 construction must accord published plans except differ ent wood sizes may used No high-tech materials recent developments such variable-pitch variable-diameter props may used Vague though rules may sound Tonys event decides exactly what mean somewhat embarrassing note Senior Don Slusarczyk won Old-Timer event 2651 time flying unbraced microfilm model comparison Rich Doig won Indoor Stick 3521 flying full-house FiD model fully braced turning variable-diameter prop Thats 32% improvement 47 years de spite advances technology pretty models unusual de signs found among Bostonian No-Cal Scale models case Bosto nian rules intended foster new aesthetically appealing designs construction freedom allowed No-Cals weight savings inherent built-up pro file fuselage add considerable leeway choice subjectairplanes would make poor AMA Scale subjects fly reason ably well hand-launched profile model Dave Aronsteins 1950 Gloster Javelin Jet example flew very well though too brief time Tony Sutters DC-9 very pretty under power glide ballis tic nature Rubber Speed Rubber Speed event both fascinating frustrating Two classes category flown USIC Peanut Speed Unlimited Rubber Speed flight rules same both Rubber-powered prop-driven models must ROG full three-point position models timed two complete laps around pylons 20 ft apart flight disqualified model touches ground pylon after takeoff What makes Rubber Speed competition problematical power available model varies drastically during flight model must maintain approximately same circle diameter during two timed laps regardless speed altitude gained thrust remaining circle gins correct diameter opens up motor may run down before end second lap model zooms too high may drift beyond pylons disqualified flight adjustments drain off too much zoom model may touch down too soon Add interplay among flight adjustments have quite challenge slowest Unlimited Speed entry Pete Staehlings FROG Staehling required two trials zero course model climbed almost ceilingat stately speed 119 mphin 7179 sec onds Obviously Staehling wasnt win winning Speed Sleek Streak 1467 mph Jim Thornberry required doz ens attempts complete two timed runs because model resembled enraged bumblebee flight Pistachio Scale tiny 6-in -span Scale models super-delicate hard build harder flybut lot fliers keep trying Wayne Trivin did great job building Nesmith Cougar John Martins Rex Stout crafted mainly 0002-in -thick Styrofoam sheet says material very easy work quite durable Catapult Glider slowly developContinued page 160 September 1989 55 Left This neat little Pistachio Scale Rex Stout constructed John Martin 0002-in Styrofoam sheet Right Roy White holding basically conventional Ornithopter except its entirely covered Microfilm including biplane flapping surfaces flappers all-wood framework differential strength between leading trailing edge pieces flapping action would normal highly unusual Helicopter con structed John Merett Its all-balsa model unorthodox cruise pattern As descends flies about 450 attitude unloads rotors speed up allowing model climb vertically little before dropping back sideways flight very tiny Glider helped relieve boredom Round FiD competition Just old days tiny Gliders perched balloon carried near ceiling bumped off allowed glide back down Freedom 207 Proof positiv Freedom 20s it2stTUCtZOfl booklet makes buildi, east Make circus Years ago member San Antonio Gas Model Association pre WW II annual meet printed program mostly advertisements local merchants around $1000 prizes donated merchants very well known town activities enthusiastically re ported local newspaper made big thing out San An tonio Boys did well contest Austin Hous ton Amarillo etc important publicity committee es tablish personal relationship sports ed itor local newspaper keep him well formed early San Antonio Gas Model Asso ciation could have swatted aside prob lems facing modem clubs Clout Perhaps two local meets aimed public should arranged Plan around fun-fly format events such egg drops balloon busting Scale etc course during events field would have closed members sport flying hardly think would bother member unless showed traces Puri tan complex club must make public aware its existence order build Clout Building community involvement admittedly calls lot hard work part club youll have voice maintaining presence community Making ourselves vis ible public seems really way enjoy hobby minimum restriction deploy enough Clout defend ourselves against Puritans Its really simplejust find lift trim little up control circle USIC/Tenny 7 Continued page 55 ing event hasnt produced surprises major advances technology Model weight may well critical HLG cause Catapult rules limit wingspan chord 12 x 3 No other design structural limita tions imposed event As near could tell models very well matched ceilingexcept perhaps winner Chuck Markos placed second last year 13 sec onds behind Bob Warmann year Chuck turned tables time 18 sec onds higher last years beat Bob Warmann 13 seconds give few reference points somewhat esoteric event profile Markos model 6-gram weight Chucks K winning airplane up 45 grams last-year model Polyhedral wings aided roll-out came over top straight away 700 launch All-balsa except spruce wing leading edge model 15% stab wing A-in quarter-grained wood about 003 undercamber launch rub ber 7-in loop 019-in Pirelli stretched full arms length fact Chuck put launch hook just back wing leading edge instead nose get extra 4 stretch out rubber rubber story several years Rubber model fliers have watched precious stocks Pirelli rubber dwindle deteriorate num ber other sources rubber have appeared proved unsatisfactory various reasons lat est Indoor power source new tan rubber FAI Model Supply As meet started people comparing notes about experi WORlDS BIGGEST SCALE PHOTO SERVICE l000 PHOTO PACKS *100 *BLUE RIDGE PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING MACHINERYA TOOLS SASE Enierging Box 536-Y Jim PepirosHurricane WV 25526 Catalog *400 60 pagesSCALE PlANS toil PROIfi SEHUICE offer complete selection MadIson Gpeosboro NC 27403lathes mills tools 3209 hOOT 119191 292-5239 No collectAviation Modeler jij ri u 1 *9 t1 Model Aviation responding advertisers mention thatyou read about MadelAviation WE BUILD YOUR HELl TEST YOUR HELl ~\REPAIRYOURHELI KL1 322 North 7th St ~i1Lehighton Pa 18235 WRITE OR CALL FOR INFORMA TION Theyre ones have show up field clunky-looking model besides experts will admit better looking plane can actually betterflyng plane _______BETTER LOOKS THAT COME FREEDOM 20FROM BETTER FLYING WCPAN 0j0lt TNCHPS ences tan rubber Although few fliers point enough experience support strong hunch certainly lot tan used meet since few contestants enough certifiably good Pi relli feel safe relying alone suspect tan won events opinion several fliers tan rubber offers energy storage least equal Pirelli perhaps better over average certainly seems less prone breaking under hard use Pirelli However torque curve definitely has different shape Pirelli re quires recalibration variable props good deal experimentation find correct rubber length/cross section ratios given site Reviewing years results several fliers ex pressed opinion overall meet times lower average 1988 USIC impression largely unfounded events saw drop times ROG Stick Stick FAI cap tured 1988 Jim Richmond top Open times other events higher amounts ranging 2% 12% Nothing skews curves like having Jim Richmond en tered eventand Jim didnt fly year Helicopter Ornithopter USIC giv ing AMAs orphan events arena gradually increasing popularity Two models exhibited design construction innova tions although neither placed both flew well Roy Whites model entirely covered microfilm including biplane flapping surfac es Since flapper used all-wood framework differential strength between leading trailing edges flapping action normal Whites model employed conventional linkage design John Meretts all-balsa Helicopter greatly outRC EXTRA SRR1 Box 28-BTHE VIBRATION KILLER 712-943-4102 Sergeant Bluff IA 51054 FW 000 toOl P00 th Order Large AIrplane Supplies00fl~ TYPOS 01b00100 Oootion WEEKS SPECIAL Esoont 101st too pont ooOond Extr230 33%S2298Splus$15SftH 5000812 koOnonyO00 30% *2199Eplus$1526% OSlpIus8lOpotoMAP~tSPOBOX Check y Order No COD3fl2 YL 1sdfltO 00072 sat. Please send 1 current IIIii log listing ur kits end Walt Moucha ModelsPO Box 11 2A 906-863-1225 e Menominee Ml 49858 Rubber & Eng Power Free Flight Display1 Control Line Electric Power R/C Airplanes new Illustrated 32 page tabloid size catalog US & Canada $100 Foren $300 Penn Valley Hobby enter 837-A W Main St Lanadale PA 19446 its unique progressive airfoil completely eliminates tip stalling DREAM TO FLY THATS DREAM TO BUILD youre inexperienced builder assembling Freedom 20 will breeze Youll work self-aligning components precision-cut balsa plywood fittino hardware youll need included weighed other entrants rotors approximate Easy B prop size equipped tiplets give model unusual cruise pat tern As Helicopter descends flies about 450 attitude unloads rotors speed up allowing model climb vertically little before dropping back sideways flight Its very stable controlled descent Time out Lets face spirited competition Fl D Indoor Stick somewhat boring After beautifully graceful mod els take 35 minutes drift lazily up ceiling back During first round FID small white balloon spotted corner dome rising slowly gingerly girders quickly descending laid-back atmos phere FLD caused minor clamor run ning commentary charted balloons progress still did go quick investigation revealed Vito Gag liano Otto Curth Bob Warmann sim ply reliving modeling history Years ago di version after contests small Gliders would air lifted atop balloon allowed drift back down Glider used years trio though tiny could barely spotted fell off balloon prematurely dragged off contact girder After sev eral tries miniscule Glider adjusted well enough make flights about 30 seconds isnt easy adjust model will almost fit side fist bottom line USIC meet has dramati cally affected overall Indoor competition pic ture Helicopter Ornithopter example record-only events years now showing spirited competitionand soaring times Indoor September 1989 161 hatw beautiful lasL superb sport-trainer looks good flies Lots experts will say shouldnt worry about looks choose trainer Cabin waning slowly reviving growing Catapult Glider pio neered Chicago Aeronuts meets now USIC creating another high-level contest fly Excellent contest management has always hallmark USIC year no ex ception doubtless reasons entry list slowly steadily growing Though meet has subsidized Na tional Free Flight Society general fund gen erosity cannot continue forever would take about 125 entrants annually USIC break Lets get behind best Indoor meet world FF Duration/Fruciano Continued page 57 balsa aluminum carefully centered laminate wrapped around mandrel appropriate shape form tube allowed dry Its light tough requires no further finish Thin-walled surgical tubing used make pressure-bladder tank eas ily inserted tubes cavity major depanure convention de sign application plain V-dihedral competition Power fliers seem have adopted feature V-dihedral Xenon other West Coast ships does its job well perhaps better standard multipanel polyhedral wings Ease construction lighter tal weight since two dihedral joints elimi nated additional efficiency clean un broken spans positive factors asked Whatand name Xe non Randy replied Its gas Seldom has Free Flight modeler dis posal products materials presently avail able him used satisfy ourselves balsa tissue acetate-based cements en gines moderate ability todays modeler pushed maximum find proper applica tion bulletproof fabricsmaterials pound pound stronger steel foams unique strength capabilities cements con tinue improve abilities dry faster can lay parts down assembly Some present-day aeromodelers can re late experience old Rip Van Winkle awoke after 20-year sleep find life around him changed radically present assignments volunteer membership chairman National Free Flight society NFFS Hardly day passes house phone call letter former model builder has decided get back Free Flight realize have ma jor changes begs informa tion will bring him up date position fill fellow Free Flighters am offered excellent vantage point Free Flight growth pattern ad ditions ranks coming former model ers want again RC fliers ready different kind aeromodeling challenge Free Flight alive well perhaps bit different years past still challenge ingenuity skill its practitioners recently chance compare NFFS membership list names par ticipated 88 Lawrenceville IL FF Nats ably organized after FF events AMA Tidewater VA Nats can celled Less 50% participating Lawrenceville NFFS members Cmon fellas know theres no such thing free lunch Tony Ital iano dedicated group formed run Law renceville contest would have happened time read 89 contest will also history However dont embarrassed participated NFFS member matter easily rectified forwarding $15 one-year membership writer name address appear top article Fellow PMAC Phoenix Model Airplane Club member Al Lidbergs prolific workbench contin ues source Free Flight Scale models configurations am sure well acquainted some construc tion articles have appeared MA past must comment upon Als thoroughness aim making faithful good-flying replica full-scale aircraft witness too months ago Al appeared flying field C02-powered Me- 163B Komet Au gust 1988 MA Now constructing Flying Scale model Me-163 would normally give modeler sec ond thoughts especially intended actually fly Als ship same appeared photos construction article complete battle paint flip prop 163B away vertical climb would have rivalled its full-scale ancestor straight up 15 sec followed fast flat glide made wonder 16-in-span model could provide such performance little wing area outstanding demonstration ability Scale models perform well designed flown capable modeler INTRODUCING THE. FLEX-MO UNT FOR 40 AND 60 SIZE ENGINES Reduces Airframe Noise Isolates Engine Vibration Versatile 3 & 4 Hole Mount Universal Mounting System PLANES/ NGS/ 1226 E Ave a-ia Lancaster CA 93535 Available through belier Hobby Shops Dealer ributor Inquiries Invited FLEX MOUNT 60 Accepts Front-tntake 60 Engines toclodes necessary mounting hardware Made USA 162 Model Aviation DODGSu Ut * ThEY KNOW THAT THEY ARE FLYING THE MOST LETHAL MULTITASK THERMAL COMPETITION GLIDER KIT IN THE KNOWN WORLD IT IS TIGHT AND THRILLING SCREAMER ONE MINUTE AND GENTLE SOLID SHIP THAT CAN CLIMB OUT ON THE SLIGHTEST HINT OF LFT THE NEXT MINUTE ** FULL SOPHISTICATED CONTROL FUNCTIONS CAN BE ACIIEVED WITH EVEN SIMPLE 4 CHANNEL RADIO AND YET ThE NEW COMPUTER DRIVEN RADIOS CAN BE USED ALSO ** THIS GLIDER LINE HAS SOMETHING TO CROW ABOUT HAVING INTRODUCED IT WITH THE WINDSONG IN 1982 THE COMPETITION HAS BEEN EATING CROW EVER SINCEI 4 PICTURED DAVE BANKS ONE OF SOARINGS BESTI * Seimd 2 ttmp 10 ow sew catdog * * Ou# Newsletter 8ECO W3 8911 Now Avalebi Pal SI * 2isu uamson Road Bothell WA 98021 206-776-8067 FM-40 FLEX-MO UNt 40 Accepts Front-Intake 25 toSS Engines Includes necessary mounting hardware
Edition: Model Aviation - 1989/09
Page Numbers: 53, 54, 55, 160, 161, 162
I US Indoor* *1 Championships place Indoor addict June 1-4 year Under 116-ft dome East Tennessee State Univer sity Johnson City staged 21 official events unoffi cial ones EBud Tenny THE EIGHTH ANNUAL US Indoor Championships USIC sponsored National Free Flight Society under direction Tony Italiano several other experienced CDs 100 entrants 25 states Canada flying 21 offi cial events eight unofficial events spon sored individuals model airplane clubs combined total official un official events other door contest world meet re ported both TV newspapers spectators watched bleach ers during last two days contest majority uninitiated specta tors awesome flight times slow flights Indoor Stick FAI Easy B models make impressive air craft championships Man hattans Indoor Cabin models theres always uncertainty successful take offs Most easily understood specta tors Scale models Since mimic full-size airplanes look like theyre meant fly lightweight models other hand didnt provoke much excite ment among experienced modelers un less close escapes turned ex ceptional times Otherwise frankly pretty boring Contest Board action occasion con tests experience problems model eligi bility rules interpretations Traditionally problem referred Con test Board resolution usually de lay several weeks year however seven 11 Indoor Contest Board mem bers quorum contest USIC first problem occurred during Helicopter event rotor blade models became caught inside ventilation louvers stopping rotor model eventually freed itself flight time inflated mishap re vealed Indoor Helicopter rules based definitions Outdoor Helicop ter rules naturally leads limbo hang-ups arent recognized much less provided second quandary faced decid ing whether two Cabin models met re quirements fuselage design Both issues addressed Contest Board mem bers present providing immediate guidance CD issues must now undergo ratification mail vote entire board before becoming official September 1989 53 High Time award Federation ROG handmade Mary Ann Barber very impressive effort much appreciated Dave Aronsteins model took top honors Federation ROG event clocking 701 vortex-fighting pointed tips fullfuselage bracing much longer fuse lage usual Skinnie Minnie designs model appears con ventional Skinnie Minnie lengthened braced fuselage flown second place Gary Underwood time 650 distinctive trophies awarded first second third place Federation ROG winners third place winner being Joe Nuszer clocked respectable 645 Federation ROG event first conceived Federation ROG FROG never expected produce high times Sur prisingly early year Dave Aronstein broke five-minute barrier end FROG session 14 official flights exceeded Daves 507 paceset ter Dave still led wayhis two best times 657 701 exceeded top times other contestants However turning top individual times didnt make Dave king FROG because event judged team ba 515 FROG competition USIC orig inated Tony Becker 1988 About three weeks before contest started Tony sued challenge via modeling grape vine FROG would flown team Ron Ganser built comely reproduction Walt Erbachs original oldie Stick model two best scores Old-Timer event sponsored Tony Italiano limited Indoor Stick designs pub event lished between January 11934 December 31 1942 No high-tech materials allowed states entrants added together make Fred Rash Unlimited Rubber Speed model designed Bill Henderson Its quite challenge properly adjust models maintain approximately same circle diameter two timed laps state team score state two fliers entered scores two highest team members used 1988 concept drew several teams spite short notice year seven teams entered New Jersey team Gary Underwood Doug Barber beat Dave Aronstein Andy Tagliafico Washing ton State team 2359 2240 reporter interesting re velation years FROG competi tion fact fancy aerodynamics may Wayne Trivin built delicate little six Inch-span Pistachio Scale Nesmith Cougar very nature size little airplanes quite difficult build have very temperamental flight characteristics Pete Staehling seen FROG model slow-speed winner clocking 119 mph climbing almost ceiling stately 7179-second flight carry lesser ultimate advantage skilled choice power components True Dave Aronsteins winning model vortex-fighting pointed tips full-fuselage bracing fuselage length far ex ceeded Skinnie Minnie standard Yet Gary Underwood used what appeared Skinnie Minnie lengthened braced fuselage log 650 Joe Nuszers model turned 645 ellipti cal surfaces somewhat lower aspect ratio Skinnie Minnie Finally Jim Clem 54 Model Aviation Left Really striking No-Cal 1950 Gloater Javelin jet built Dave Aronstein flew very wellbut long enough Right Another No-Cal DC-9 crafted Tony Sutter very pretty under power motor ran down glide became ballistic nature John Vorhees built Unlimited Speed job easier tame some others like Jim Thomberrys Sleek Streak re quired dozens attempts complete two timing runs Sleek Streak resembled enraged bumble bee flying Jim finally won Speed event clocking 1467 mph did 559 original model having 12-in fuselage other words FROG model long motor driving effective prop would seem have better chance winning event does Certainly prop critical importance Federa tion rules limit prop diameter specifying starting point com mercial plastic prop means 9-india prop hefty weight grams must laboriously cut scraped down 6-in dia approximately 16 grams kind meticulous work flier must have fierce determination excel Old-Timer Stick Old-Timer event sponsored Tony Italiano limited door Stick model designs published widely between January 1 1934 December 31 1942 construction must accord published plans except differ ent wood sizes may used No high-tech materials recent developments such variable-pitch variable-diameter props may used Vague though rules may sound Tonys event decides exactly what mean somewhat embarrassing note Senior Don Slusarczyk won Old-Timer event 2651 time flying unbraced microfilm model comparison Rich Doig won Indoor Stick 3521 flying full-house FiD model fully braced turning variable-diameter prop Thats 32% improvement 47 years de spite advances technology pretty models unusual de signs found among Bostonian No-Cal Scale models case Bosto nian rules intended foster new aesthetically appealing designs construction freedom allowed No-Cals weight savings inherent built-up pro file fuselage add considerable leeway choice subjectairplanes would make poor AMA Scale subjects fly reason ably well hand-launched profile model Dave Aronsteins 1950 Gloster Javelin Jet example flew very well though too brief time Tony Sutters DC-9 very pretty under power glide ballis tic nature Rubber Speed Rubber Speed event both fascinating frustrating Two classes category flown USIC Peanut Speed Unlimited Rubber Speed flight rules same both Rubber-powered prop-driven models must ROG full three-point position models timed two complete laps around pylons 20 ft apart flight disqualified model touches ground pylon after takeoff What makes Rubber Speed competition problematical power available model varies drastically during flight model must maintain approximately same circle diameter during two timed laps regardless speed altitude gained thrust remaining circle gins correct diameter opens up motor may run down before end second lap model zooms too high may drift beyond pylons disqualified flight adjustments drain off too much zoom model may touch down too soon Add interplay among flight adjustments have quite challenge slowest Unlimited Speed entry Pete Staehlings FROG Staehling required two trials zero course model climbed almost ceilingat stately speed 119 mphin 7179 sec onds Obviously Staehling wasnt win winning Speed Sleek Streak 1467 mph Jim Thornberry required doz ens attempts complete two timed runs because model resembled enraged bumblebee flight Pistachio Scale tiny 6-in -span Scale models super-delicate hard build harder flybut lot fliers keep trying Wayne Trivin did great job building Nesmith Cougar John Martins Rex Stout crafted mainly 0002-in -thick Styrofoam sheet says material very easy work quite durable Catapult Glider slowly developContinued page 160 September 1989 55 Left This neat little Pistachio Scale Rex Stout constructed John Martin 0002-in Styrofoam sheet Right Roy White holding basically conventional Ornithopter except its entirely covered Microfilm including biplane flapping surfaces flappers all-wood framework differential strength between leading trailing edge pieces flapping action would normal highly unusual Helicopter con structed John Merett Its all-balsa model unorthodox cruise pattern As descends flies about 450 attitude unloads rotors speed up allowing model climb vertically little before dropping back sideways flight very tiny Glider helped relieve boredom Round FiD competition Just old days tiny Gliders perched balloon carried near ceiling bumped off allowed glide back down Freedom 207 Proof positiv Freedom 20s it2stTUCtZOfl booklet makes buildi, east Make circus Years ago member San Antonio Gas Model Association pre WW II annual meet printed program mostly advertisements local merchants around $1000 prizes donated merchants very well known town activities enthusiastically re ported local newspaper made big thing out San An tonio Boys did well contest Austin Hous ton Amarillo etc important publicity committee es tablish personal relationship sports ed itor local newspaper keep him well formed early San Antonio Gas Model Asso ciation could have swatted aside prob lems facing modem clubs Clout Perhaps two local meets aimed public should arranged Plan around fun-fly format events such egg drops balloon busting Scale etc course during events field would have closed members sport flying hardly think would bother member unless showed traces Puri tan complex club must make public aware its existence order build Clout Building community involvement admittedly calls lot hard work part club youll have voice maintaining presence community Making ourselves vis ible public seems really way enjoy hobby minimum restriction deploy enough Clout defend ourselves against Puritans Its really simplejust find lift trim little up control circle USIC/Tenny 7 Continued page 55 ing event hasnt produced surprises major advances technology Model weight may well critical HLG cause Catapult rules limit wingspan chord 12 x 3 No other design structural limita tions imposed event As near could tell models very well matched ceilingexcept perhaps winner Chuck Markos placed second last year 13 sec onds behind Bob Warmann year Chuck turned tables time 18 sec onds higher last years beat Bob Warmann 13 seconds give few reference points somewhat esoteric event profile Markos model 6-gram weight Chucks K winning airplane up 45 grams last-year model Polyhedral wings aided roll-out came over top straight away 700 launch All-balsa except spruce wing leading edge model 15% stab wing A-in quarter-grained wood about 003 undercamber launch rub ber 7-in loop 019-in Pirelli stretched full arms length fact Chuck put launch hook just back wing leading edge instead nose get extra 4 stretch out rubber rubber story several years Rubber model fliers have watched precious stocks Pirelli rubber dwindle deteriorate num ber other sources rubber have appeared proved unsatisfactory various reasons lat est Indoor power source new tan rubber FAI Model Supply As meet started people comparing notes about experi WORlDS BIGGEST SCALE PHOTO SERVICE l000 PHOTO PACKS *100 *BLUE RIDGE PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING MACHINERYA TOOLS SASE Enierging Box 536-Y Jim PepirosHurricane WV 25526 Catalog *400 60 pagesSCALE PlANS toil PROIfi SEHUICE offer complete selection MadIson Gpeosboro NC 27403lathes mills tools 3209 hOOT 119191 292-5239 No collectAviation Modeler jij ri u 1 *9 t1 Model Aviation responding advertisers mention thatyou read about MadelAviation WE BUILD YOUR HELl TEST YOUR HELl ~\REPAIRYOURHELI KL1 322 North 7th St ~i1Lehighton Pa 18235 WRITE OR CALL FOR INFORMA TION Theyre ones have show up field clunky-looking model besides experts will admit better looking plane can actually betterflyng plane _______BETTER LOOKS THAT COME FREEDOM 20FROM BETTER FLYING WCPAN 0j0lt TNCHPS ences tan rubber Although few fliers point enough experience support strong hunch certainly lot tan used meet since few contestants enough certifiably good Pi relli feel safe relying alone suspect tan won events opinion several fliers tan rubber offers energy storage least equal Pirelli perhaps better over average certainly seems less prone breaking under hard use Pirelli However torque curve definitely has different shape Pirelli re quires recalibration variable props good deal experimentation find correct rubber length/cross section ratios given site Reviewing years results several fliers ex pressed opinion overall meet times lower average 1988 USIC impression largely unfounded events saw drop times ROG Stick Stick FAI cap tured 1988 Jim Richmond top Open times other events higher amounts ranging 2% 12% Nothing skews curves like having Jim Richmond en tered eventand Jim didnt fly year Helicopter Ornithopter USIC giv ing AMAs orphan events arena gradually increasing popularity Two models exhibited design construction innova tions although neither placed both flew well Roy Whites model entirely covered microfilm including biplane flapping surfac es Since flapper used all-wood framework differential strength between leading trailing edges flapping action normal Whites model employed conventional linkage design John Meretts all-balsa Helicopter greatly outRC EXTRA SRR1 Box 28-BTHE VIBRATION KILLER 712-943-4102 Sergeant Bluff IA 51054 FW 000 toOl P00 th Order Large AIrplane Supplies00fl~ TYPOS 01b00100 Oootion WEEKS SPECIAL Esoont 101st too pont ooOond Extr230 33%S2298Splus$15SftH 5000812 koOnonyO00 30% *2199Eplus$1526% OSlpIus8lOpotoMAP~tSPOBOX Check y Order No COD3fl2 YL 1sdfltO 00072 sat. Please send 1 current IIIii log listing ur kits end Walt Moucha ModelsPO Box 11 2A 906-863-1225 e Menominee Ml 49858 Rubber & Eng Power Free Flight Display1 Control Line Electric Power R/C Airplanes new Illustrated 32 page tabloid size catalog US & Canada $100 Foren $300 Penn Valley Hobby enter 837-A W Main St Lanadale PA 19446 its unique progressive airfoil completely eliminates tip stalling DREAM TO FLY THATS DREAM TO BUILD youre inexperienced builder assembling Freedom 20 will breeze Youll work self-aligning components precision-cut balsa plywood fittino hardware youll need included weighed other entrants rotors approximate Easy B prop size equipped tiplets give model unusual cruise pat tern As Helicopter descends flies about 450 attitude unloads rotors speed up allowing model climb vertically little before dropping back sideways flight Its very stable controlled descent Time out Lets face spirited competition Fl D Indoor Stick somewhat boring After beautifully graceful mod els take 35 minutes drift lazily up ceiling back During first round FID small white balloon spotted corner dome rising slowly gingerly girders quickly descending laid-back atmos phere FLD caused minor clamor run ning commentary charted balloons progress still did go quick investigation revealed Vito Gag liano Otto Curth Bob Warmann sim ply reliving modeling history Years ago di version after contests small Gliders would air lifted atop balloon allowed drift back down Glider used years trio though tiny could barely spotted fell off balloon prematurely dragged off contact girder After sev eral tries miniscule Glider adjusted well enough make flights about 30 seconds isnt easy adjust model will almost fit side fist bottom line USIC meet has dramati cally affected overall Indoor competition pic ture Helicopter Ornithopter example record-only events years now showing spirited competitionand soaring times Indoor September 1989 161 hatw beautiful lasL superb sport-trainer looks good flies Lots experts will say shouldnt worry about looks choose trainer Cabin waning slowly reviving growing Catapult Glider pio neered Chicago Aeronuts meets now USIC creating another high-level contest fly Excellent contest management has always hallmark USIC year no ex ception doubtless reasons entry list slowly steadily growing Though meet has subsidized Na tional Free Flight Society general fund gen erosity cannot continue forever would take about 125 entrants annually USIC break Lets get behind best Indoor meet world FF Duration/Fruciano Continued page 57 balsa aluminum carefully centered laminate wrapped around mandrel appropriate shape form tube allowed dry Its light tough requires no further finish Thin-walled surgical tubing used make pressure-bladder tank eas ily inserted tubes cavity major depanure convention de sign application plain V-dihedral competition Power fliers seem have adopted feature V-dihedral Xenon other West Coast ships does its job well perhaps better standard multipanel polyhedral wings Ease construction lighter tal weight since two dihedral joints elimi nated additional efficiency clean un broken spans positive factors asked Whatand name Xe non Randy replied Its gas Seldom has Free Flight modeler dis posal products materials presently avail able him used satisfy ourselves balsa tissue acetate-based cements en gines moderate ability todays modeler pushed maximum find proper applica tion bulletproof fabricsmaterials pound pound stronger steel foams unique strength capabilities cements con tinue improve abilities dry faster can lay parts down assembly Some present-day aeromodelers can re late experience old Rip Van Winkle awoke after 20-year sleep find life around him changed radically present assignments volunteer membership chairman National Free Flight society NFFS Hardly day passes house phone call letter former model builder has decided get back Free Flight realize have ma jor changes begs informa tion will bring him up date position fill fellow Free Flighters am offered excellent vantage point Free Flight growth pattern ad ditions ranks coming former model ers want again RC fliers ready different kind aeromodeling challenge Free Flight alive well perhaps bit different years past still challenge ingenuity skill its practitioners recently chance compare NFFS membership list names par ticipated 88 Lawrenceville IL FF Nats ably organized after FF events AMA Tidewater VA Nats can celled Less 50% participating Lawrenceville NFFS members Cmon fellas know theres no such thing free lunch Tony Ital iano dedicated group formed run Law renceville contest would have happened time read 89 contest will also history However dont embarrassed participated NFFS member matter easily rectified forwarding $15 one-year membership writer name address appear top article Fellow PMAC Phoenix Model Airplane Club member Al Lidbergs prolific workbench contin ues source Free Flight Scale models configurations am sure well acquainted some construc tion articles have appeared MA past must comment upon Als thoroughness aim making faithful good-flying replica full-scale aircraft witness too months ago Al appeared flying field C02-powered Me- 163B Komet Au gust 1988 MA Now constructing Flying Scale model Me-163 would normally give modeler sec ond thoughts especially intended actually fly Als ship same appeared photos construction article complete battle paint flip prop 163B away vertical climb would have rivalled its full-scale ancestor straight up 15 sec followed fast flat glide made wonder 16-in-span model could provide such performance little wing area outstanding demonstration ability Scale models perform well designed flown capable modeler INTRODUCING THE. FLEX-MO UNT FOR 40 AND 60 SIZE ENGINES Reduces Airframe Noise Isolates Engine Vibration Versatile 3 & 4 Hole Mount Universal Mounting System PLANES/ NGS/ 1226 E Ave a-ia Lancaster CA 93535 Available through belier Hobby Shops Dealer ributor Inquiries Invited FLEX MOUNT 60 Accepts Front-tntake 60 Engines toclodes necessary mounting hardware Made USA 162 Model Aviation DODGSu Ut * ThEY KNOW THAT THEY ARE FLYING THE MOST LETHAL MULTITASK THERMAL COMPETITION GLIDER KIT IN THE KNOWN WORLD IT IS TIGHT AND THRILLING SCREAMER ONE MINUTE AND GENTLE SOLID SHIP THAT CAN CLIMB OUT ON THE SLIGHTEST HINT OF LFT THE NEXT MINUTE ** FULL SOPHISTICATED CONTROL FUNCTIONS CAN BE ACIIEVED WITH EVEN SIMPLE 4 CHANNEL RADIO AND YET ThE NEW COMPUTER DRIVEN RADIOS CAN BE USED ALSO ** THIS GLIDER LINE HAS SOMETHING TO CROW ABOUT HAVING INTRODUCED IT WITH THE WINDSONG IN 1982 THE COMPETITION HAS BEEN EATING CROW EVER SINCEI 4 PICTURED DAVE BANKS ONE OF SOARINGS BESTI * Seimd 2 ttmp 10 ow sew catdog * * Ou# Newsletter 8ECO W3 8911 Now Avalebi Pal SI * 2isu uamson Road Bothell WA 98021 206-776-8067 FM-40 FLEX-MO UNt 40 Accepts Front-Intake 25 toSS Engines Includes necessary mounting hardware
Edition: Model Aviation - 1989/09
Page Numbers: 53, 54, 55, 160, 161, 162
I US Indoor* *1 Championships place Indoor addict June 1-4 year Under 116-ft dome East Tennessee State Univer sity Johnson City staged 21 official events unoffi cial ones EBud Tenny THE EIGHTH ANNUAL US Indoor Championships USIC sponsored National Free Flight Society under direction Tony Italiano several other experienced CDs 100 entrants 25 states Canada flying 21 offi cial events eight unofficial events spon sored individuals model airplane clubs combined total official un official events other door contest world meet re ported both TV newspapers spectators watched bleach ers during last two days contest majority uninitiated specta tors awesome flight times slow flights Indoor Stick FAI Easy B models make impressive air craft championships Man hattans Indoor Cabin models theres always uncertainty successful take offs Most easily understood specta tors Scale models Since mimic full-size airplanes look like theyre meant fly lightweight models other hand didnt provoke much excite ment among experienced modelers un less close escapes turned ex ceptional times Otherwise frankly pretty boring Contest Board action occasion con tests experience problems model eligi bility rules interpretations Traditionally problem referred Con test Board resolution usually de lay several weeks year however seven 11 Indoor Contest Board mem bers quorum contest USIC first problem occurred during Helicopter event rotor blade models became caught inside ventilation louvers stopping rotor model eventually freed itself flight time inflated mishap re vealed Indoor Helicopter rules based definitions Outdoor Helicop ter rules naturally leads limbo hang-ups arent recognized much less provided second quandary faced decid ing whether two Cabin models met re quirements fuselage design Both issues addressed Contest Board mem bers present providing immediate guidance CD issues must now undergo ratification mail vote entire board before becoming official September 1989 53 High Time award Federation ROG handmade Mary Ann Barber very impressive effort much appreciated Dave Aronsteins model took top honors Federation ROG event clocking 701 vortex-fighting pointed tips fullfuselage bracing much longer fuse lage usual Skinnie Minnie designs model appears con ventional Skinnie Minnie lengthened braced fuselage flown second place Gary Underwood time 650 distinctive trophies awarded first second third place Federation ROG winners third place winner being Joe Nuszer clocked respectable 645 Federation ROG event first conceived Federation ROG FROG never expected produce high times Sur prisingly early year Dave Aronstein broke five-minute barrier end FROG session 14 official flights exceeded Daves 507 paceset ter Dave still led wayhis two best times 657 701 exceeded top times other contestants However turning top individual times didnt make Dave king FROG because event judged team ba 515 FROG competition USIC orig inated Tony Becker 1988 About three weeks before contest started Tony sued challenge via modeling grape vine FROG would flown team Ron Ganser built comely reproduction Walt Erbachs original oldie Stick model two best scores Old-Timer event sponsored Tony Italiano limited Indoor Stick designs pub event lished between January 11934 December 31 1942 No high-tech materials allowed states entrants added together make Fred Rash Unlimited Rubber Speed model designed Bill Henderson Its quite challenge properly adjust models maintain approximately same circle diameter two timed laps state team score state two fliers entered scores two highest team members used 1988 concept drew several teams spite short notice year seven teams entered New Jersey team Gary Underwood Doug Barber beat Dave Aronstein Andy Tagliafico Washing ton State team 2359 2240 reporter interesting re velation years FROG competi tion fact fancy aerodynamics may Wayne Trivin built delicate little six Inch-span Pistachio Scale Nesmith Cougar very nature size little airplanes quite difficult build have very temperamental flight characteristics Pete Staehling seen FROG model slow-speed winner clocking 119 mph climbing almost ceiling stately 7179-second flight carry lesser ultimate advantage skilled choice power components True Dave Aronsteins winning model vortex-fighting pointed tips full-fuselage bracing fuselage length far ex ceeded Skinnie Minnie standard Yet Gary Underwood used what appeared Skinnie Minnie lengthened braced fuselage log 650 Joe Nuszers model turned 645 ellipti cal surfaces somewhat lower aspect ratio Skinnie Minnie Finally Jim Clem 54 Model Aviation Left Really striking No-Cal 1950 Gloater Javelin jet built Dave Aronstein flew very wellbut long enough Right Another No-Cal DC-9 crafted Tony Sutter very pretty under power motor ran down glide became ballistic nature John Vorhees built Unlimited Speed job easier tame some others like Jim Thomberrys Sleek Streak re quired dozens attempts complete two timing runs Sleek Streak resembled enraged bumble bee flying Jim finally won Speed event clocking 1467 mph did 559 original model having 12-in fuselage other words FROG model long motor driving effective prop would seem have better chance winning event does Certainly prop critical importance Federa tion rules limit prop diameter specifying starting point com mercial plastic prop means 9-india prop hefty weight grams must laboriously cut scraped down 6-in dia approximately 16 grams kind meticulous work flier must have fierce determination excel Old-Timer Stick Old-Timer event sponsored Tony Italiano limited door Stick model designs published widely between January 1 1934 December 31 1942 construction must accord published plans except differ ent wood sizes may used No high-tech materials recent developments such variable-pitch variable-diameter props may used Vague though rules may sound Tonys event decides exactly what mean somewhat embarrassing note Senior Don Slusarczyk won Old-Timer event 2651 time flying unbraced microfilm model comparison Rich Doig won Indoor Stick 3521 flying full-house FiD model fully braced turning variable-diameter prop Thats 32% improvement 47 years de spite advances technology pretty models unusual de signs found among Bostonian No-Cal Scale models case Bosto nian rules intended foster new aesthetically appealing designs construction freedom allowed No-Cals weight savings inherent built-up pro file fuselage add considerable leeway choice subjectairplanes would make poor AMA Scale subjects fly reason ably well hand-launched profile model Dave Aronsteins 1950 Gloster Javelin Jet example flew very well though too brief time Tony Sutters DC-9 very pretty under power glide ballis tic nature Rubber Speed Rubber Speed event both fascinating frustrating Two classes category flown USIC Peanut Speed Unlimited Rubber Speed flight rules same both Rubber-powered prop-driven models must ROG full three-point position models timed two complete laps around pylons 20 ft apart flight disqualified model touches ground pylon after takeoff What makes Rubber Speed competition problematical power available model varies drastically during flight model must maintain approximately same circle diameter during two timed laps regardless speed altitude gained thrust remaining circle gins correct diameter opens up motor may run down before end second lap model zooms too high may drift beyond pylons disqualified flight adjustments drain off too much zoom model may touch down too soon Add interplay among flight adjustments have quite challenge slowest Unlimited Speed entry Pete Staehlings FROG Staehling required two trials zero course model climbed almost ceilingat stately speed 119 mphin 7179 sec onds Obviously Staehling wasnt win winning Speed Sleek Streak 1467 mph Jim Thornberry required doz ens attempts complete two timed runs because model resembled enraged bumblebee flight Pistachio Scale tiny 6-in -span Scale models super-delicate hard build harder flybut lot fliers keep trying Wayne Trivin did great job building Nesmith Cougar John Martins Rex Stout crafted mainly 0002-in -thick Styrofoam sheet says material very easy work quite durable Catapult Glider slowly developContinued page 160 September 1989 55 Left This neat little Pistachio Scale Rex Stout constructed John Martin 0002-in Styrofoam sheet Right Roy White holding basically conventional Ornithopter except its entirely covered Microfilm including biplane flapping surfaces flappers all-wood framework differential strength between leading trailing edge pieces flapping action would normal highly unusual Helicopter con structed John Merett Its all-balsa model unorthodox cruise pattern As descends flies about 450 attitude unloads rotors speed up allowing model climb vertically little before dropping back sideways flight very tiny Glider helped relieve boredom Round FiD competition Just old days tiny Gliders perched balloon carried near ceiling bumped off allowed glide back down Freedom 207 Proof positiv Freedom 20s it2stTUCtZOfl booklet makes buildi, east Make circus Years ago member San Antonio Gas Model Association pre WW II annual meet printed program mostly advertisements local merchants around $1000 prizes donated merchants very well known town activities enthusiastically re ported local newspaper made big thing out San An tonio Boys did well contest Austin Hous ton Amarillo etc important publicity committee es tablish personal relationship sports ed itor local newspaper keep him well formed early San Antonio Gas Model Asso ciation could have swatted aside prob lems facing modem clubs Clout Perhaps two local meets aimed public should arranged Plan around fun-fly format events such egg drops balloon busting Scale etc course during events field would have closed members sport flying hardly think would bother member unless showed traces Puri tan complex club must make public aware its existence order build Clout Building community involvement admittedly calls lot hard work part club youll have voice maintaining presence community Making ourselves vis ible public seems really way enjoy hobby minimum restriction deploy enough Clout defend ourselves against Puritans Its really simplejust find lift trim little up control circle USIC/Tenny 7 Continued page 55 ing event hasnt produced surprises major advances technology Model weight may well critical HLG cause Catapult rules limit wingspan chord 12 x 3 No other design structural limita tions imposed event As near could tell models very well matched ceilingexcept perhaps winner Chuck Markos placed second last year 13 sec onds behind Bob Warmann year Chuck turned tables time 18 sec onds higher last years beat Bob Warmann 13 seconds give few reference points somewhat esoteric event profile Markos model 6-gram weight Chucks K winning airplane up 45 grams last-year model Polyhedral wings aided roll-out came over top straight away 700 launch All-balsa except spruce wing leading edge model 15% stab wing A-in quarter-grained wood about 003 undercamber launch rub ber 7-in loop 019-in Pirelli stretched full arms length fact Chuck put launch hook just back wing leading edge instead nose get extra 4 stretch out rubber rubber story several years Rubber model fliers have watched precious stocks Pirelli rubber dwindle deteriorate num ber other sources rubber have appeared proved unsatisfactory various reasons lat est Indoor power source new tan rubber FAI Model Supply As meet started people comparing notes about experi WORlDS BIGGEST SCALE PHOTO SERVICE l000 PHOTO PACKS *100 *BLUE RIDGE PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING MACHINERYA TOOLS SASE Enierging Box 536-Y Jim PepirosHurricane WV 25526 Catalog *400 60 pagesSCALE PlANS toil PROIfi SEHUICE offer complete selection MadIson Gpeosboro NC 27403lathes mills tools 3209 hOOT 119191 292-5239 No collectAviation Modeler jij ri u 1 *9 t1 Model Aviation responding advertisers mention thatyou read about MadelAviation WE BUILD YOUR HELl TEST YOUR HELl ~\REPAIRYOURHELI KL1 322 North 7th St ~i1Lehighton Pa 18235 WRITE OR CALL FOR INFORMA TION Theyre ones have show up field clunky-looking model besides experts will admit better looking plane can actually betterflyng plane _______BETTER LOOKS THAT COME FREEDOM 20FROM BETTER FLYING WCPAN 0j0lt TNCHPS ences tan rubber Although few fliers point enough experience support strong hunch certainly lot tan used meet since few contestants enough certifiably good Pi relli feel safe relying alone suspect tan won events opinion several fliers tan rubber offers energy storage least equal Pirelli perhaps better over average certainly seems less prone breaking under hard use Pirelli However torque curve definitely has different shape Pirelli re quires recalibration variable props good deal experimentation find correct rubber length/cross section ratios given site Reviewing years results several fliers ex pressed opinion overall meet times lower average 1988 USIC impression largely unfounded events saw drop times ROG Stick Stick FAI cap tured 1988 Jim Richmond top Open times other events higher amounts ranging 2% 12% Nothing skews curves like having Jim Richmond en tered eventand Jim didnt fly year Helicopter Ornithopter USIC giv ing AMAs orphan events arena gradually increasing popularity Two models exhibited design construction innova tions although neither placed both flew well Roy Whites model entirely covered microfilm including biplane flapping surfac es Since flapper used all-wood framework differential strength between leading trailing edges flapping action normal Whites model employed conventional linkage design John Meretts all-balsa Helicopter greatly outRC EXTRA SRR1 Box 28-BTHE VIBRATION KILLER 712-943-4102 Sergeant Bluff IA 51054 FW 000 toOl P00 th Order Large AIrplane Supplies00fl~ TYPOS 01b00100 Oootion WEEKS SPECIAL Esoont 101st too pont ooOond Extr230 33%S2298Splus$15SftH 5000812 koOnonyO00 30% *2199Eplus$1526% OSlpIus8lOpotoMAP~tSPOBOX Check y Order No COD3fl2 YL 1sdfltO 00072 sat. Please send 1 current IIIii log listing ur kits end Walt Moucha ModelsPO Box 11 2A 906-863-1225 e Menominee Ml 49858 Rubber & Eng Power Free Flight Display1 Control Line Electric Power R/C Airplanes new Illustrated 32 page tabloid size catalog US & Canada $100 Foren $300 Penn Valley Hobby enter 837-A W Main St Lanadale PA 19446 its unique progressive airfoil completely eliminates tip stalling DREAM TO FLY THATS DREAM TO BUILD youre inexperienced builder assembling Freedom 20 will breeze Youll work self-aligning components precision-cut balsa plywood fittino hardware youll need included weighed other entrants rotors approximate Easy B prop size equipped tiplets give model unusual cruise pat tern As Helicopter descends flies about 450 attitude unloads rotors speed up allowing model climb vertically little before dropping back sideways flight Its very stable controlled descent Time out Lets face spirited competition Fl D Indoor Stick somewhat boring After beautifully graceful mod els take 35 minutes drift lazily up ceiling back During first round FID small white balloon spotted corner dome rising slowly gingerly girders quickly descending laid-back atmos phere FLD caused minor clamor run ning commentary charted balloons progress still did go quick investigation revealed Vito Gag liano Otto Curth Bob Warmann sim ply reliving modeling history Years ago di version after contests small Gliders would air lifted atop balloon allowed drift back down Glider used years trio though tiny could barely spotted fell off balloon prematurely dragged off contact girder After sev eral tries miniscule Glider adjusted well enough make flights about 30 seconds isnt easy adjust model will almost fit side fist bottom line USIC meet has dramati cally affected overall Indoor competition pic ture Helicopter Ornithopter example record-only events years now showing spirited competitionand soaring times Indoor September 1989 161 hatw beautiful lasL superb sport-trainer looks good flies Lots experts will say shouldnt worry about looks choose trainer Cabin waning slowly reviving growing Catapult Glider pio neered Chicago Aeronuts meets now USIC creating another high-level contest fly Excellent contest management has always hallmark USIC year no ex ception doubtless reasons entry list slowly steadily growing Though meet has subsidized Na tional Free Flight Society general fund gen erosity cannot continue forever would take about 125 entrants annually USIC break Lets get behind best Indoor meet world FF Duration/Fruciano Continued page 57 balsa aluminum carefully centered laminate wrapped around mandrel appropriate shape form tube allowed dry Its light tough requires no further finish Thin-walled surgical tubing used make pressure-bladder tank eas ily inserted tubes cavity major depanure convention de sign application plain V-dihedral competition Power fliers seem have adopted feature V-dihedral Xenon other West Coast ships does its job well perhaps better standard multipanel polyhedral wings Ease construction lighter tal weight since two dihedral joints elimi nated additional efficiency clean un broken spans positive factors asked Whatand name Xe non Randy replied Its gas Seldom has Free Flight modeler dis posal products materials presently avail able him used satisfy ourselves balsa tissue acetate-based cements en gines moderate ability todays modeler pushed maximum find proper applica tion bulletproof fabricsmaterials pound pound stronger steel foams unique strength capabilities cements con tinue improve abilities dry faster can lay parts down assembly Some present-day aeromodelers can re late experience old Rip Van Winkle awoke after 20-year sleep find life around him changed radically present assignments volunteer membership chairman National Free Flight society NFFS Hardly day passes house phone call letter former model builder has decided get back Free Flight realize have ma jor changes begs informa tion will bring him up date position fill fellow Free Flighters am offered excellent vantage point Free Flight growth pattern ad ditions ranks coming former model ers want again RC fliers ready different kind aeromodeling challenge Free Flight alive well perhaps bit different years past still challenge ingenuity skill its practitioners recently chance compare NFFS membership list names par ticipated 88 Lawrenceville IL FF Nats ably organized after FF events AMA Tidewater VA Nats can celled Less 50% participating Lawrenceville NFFS members Cmon fellas know theres no such thing free lunch Tony Ital iano dedicated group formed run Law renceville contest would have happened time read 89 contest will also history However dont embarrassed participated NFFS member matter easily rectified forwarding $15 one-year membership writer name address appear top article Fellow PMAC Phoenix Model Airplane Club member Al Lidbergs prolific workbench contin ues source Free Flight Scale models configurations am sure well acquainted some construc tion articles have appeared MA past must comment upon Als thoroughness aim making faithful good-flying replica full-scale aircraft witness too months ago Al appeared flying field C02-powered Me- 163B Komet Au gust 1988 MA Now constructing Flying Scale model Me-163 would normally give modeler sec ond thoughts especially intended actually fly Als ship same appeared photos construction article complete battle paint flip prop 163B away vertical climb would have rivalled its full-scale ancestor straight up 15 sec followed fast flat glide made wonder 16-in-span model could provide such performance little wing area outstanding demonstration ability Scale models perform well designed flown capable modeler INTRODUCING THE. FLEX-MO UNT FOR 40 AND 60 SIZE ENGINES Reduces Airframe Noise Isolates Engine Vibration Versatile 3 & 4 Hole Mount Universal Mounting System PLANES/ NGS/ 1226 E Ave a-ia Lancaster CA 93535 Available through belier Hobby Shops Dealer ributor Inquiries Invited FLEX MOUNT 60 Accepts Front-tntake 60 Engines toclodes necessary mounting hardware Made USA 162 Model Aviation DODGSu Ut * ThEY KNOW THAT THEY ARE FLYING THE MOST LETHAL MULTITASK THERMAL COMPETITION GLIDER KIT IN THE KNOWN WORLD IT IS TIGHT AND THRILLING SCREAMER ONE MINUTE AND GENTLE SOLID SHIP THAT CAN CLIMB OUT ON THE SLIGHTEST HINT OF LFT THE NEXT MINUTE ** FULL SOPHISTICATED CONTROL FUNCTIONS CAN BE ACIIEVED WITH EVEN SIMPLE 4 CHANNEL RADIO AND YET ThE NEW COMPUTER DRIVEN RADIOS CAN BE USED ALSO ** THIS GLIDER LINE HAS SOMETHING TO CROW ABOUT HAVING INTRODUCED IT WITH THE WINDSONG IN 1982 THE COMPETITION HAS BEEN EATING CROW EVER SINCEI 4 PICTURED DAVE BANKS ONE OF SOARINGS BESTI * Seimd 2 ttmp 10 ow sew catdog * * Ou# Newsletter 8ECO W3 8911 Now Avalebi Pal SI * 2isu uamson Road Bothell WA 98021 206-776-8067 FM-40 FLEX-MO UNt 40 Accepts Front-Intake 25 toSS Engines Includes necessary mounting hardware
Edition: Model Aviation - 1989/09
Page Numbers: 53, 54, 55, 160, 161, 162
I US Indoor* *1 Championships place Indoor addict June 1-4 year Under 116-ft dome East Tennessee State Univer sity Johnson City staged 21 official events unoffi cial ones EBud Tenny THE EIGHTH ANNUAL US Indoor Championships USIC sponsored National Free Flight Society under direction Tony Italiano several other experienced CDs 100 entrants 25 states Canada flying 21 offi cial events eight unofficial events spon sored individuals model airplane clubs combined total official un official events other door contest world meet re ported both TV newspapers spectators watched bleach ers during last two days contest majority uninitiated specta tors awesome flight times slow flights Indoor Stick FAI Easy B models make impressive air craft championships Man hattans Indoor Cabin models theres always uncertainty successful take offs Most easily understood specta tors Scale models Since mimic full-size airplanes look like theyre meant fly lightweight models other hand didnt provoke much excite ment among experienced modelers un less close escapes turned ex ceptional times Otherwise frankly pretty boring Contest Board action occasion con tests experience problems model eligi bility rules interpretations Traditionally problem referred Con test Board resolution usually de lay several weeks year however seven 11 Indoor Contest Board mem bers quorum contest USIC first problem occurred during Helicopter event rotor blade models became caught inside ventilation louvers stopping rotor model eventually freed itself flight time inflated mishap re vealed Indoor Helicopter rules based definitions Outdoor Helicop ter rules naturally leads limbo hang-ups arent recognized much less provided second quandary faced decid ing whether two Cabin models met re quirements fuselage design Both issues addressed Contest Board mem bers present providing immediate guidance CD issues must now undergo ratification mail vote entire board before becoming official September 1989 53 High Time award Federation ROG handmade Mary Ann Barber very impressive effort much appreciated Dave Aronsteins model took top honors Federation ROG event clocking 701 vortex-fighting pointed tips fullfuselage bracing much longer fuse lage usual Skinnie Minnie designs model appears con ventional Skinnie Minnie lengthened braced fuselage flown second place Gary Underwood time 650 distinctive trophies awarded first second third place Federation ROG winners third place winner being Joe Nuszer clocked respectable 645 Federation ROG event first conceived Federation ROG FROG never expected produce high times Sur prisingly early year Dave Aronstein broke five-minute barrier end FROG session 14 official flights exceeded Daves 507 paceset ter Dave still led wayhis two best times 657 701 exceeded top times other contestants However turning top individual times didnt make Dave king FROG because event judged team ba 515 FROG competition USIC orig inated Tony Becker 1988 About three weeks before contest started Tony sued challenge via modeling grape vine FROG would flown team Ron Ganser built comely reproduction Walt Erbachs original oldie Stick model two best scores Old-Timer event sponsored Tony Italiano limited Indoor Stick designs pub event lished between January 11934 December 31 1942 No high-tech materials allowed states entrants added together make Fred Rash Unlimited Rubber Speed model designed Bill Henderson Its quite challenge properly adjust models maintain approximately same circle diameter two timed laps state team score state two fliers entered scores two highest team members used 1988 concept drew several teams spite short notice year seven teams entered New Jersey team Gary Underwood Doug Barber beat Dave Aronstein Andy Tagliafico Washing ton State team 2359 2240 reporter interesting re velation years FROG competi tion fact fancy aerodynamics may Wayne Trivin built delicate little six Inch-span Pistachio Scale Nesmith Cougar very nature size little airplanes quite difficult build have very temperamental flight characteristics Pete Staehling seen FROG model slow-speed winner clocking 119 mph climbing almost ceiling stately 7179-second flight carry lesser ultimate advantage skilled choice power components True Dave Aronsteins winning model vortex-fighting pointed tips full-fuselage bracing fuselage length far ex ceeded Skinnie Minnie standard Yet Gary Underwood used what appeared Skinnie Minnie lengthened braced fuselage log 650 Joe Nuszers model turned 645 ellipti cal surfaces somewhat lower aspect ratio Skinnie Minnie Finally Jim Clem 54 Model Aviation Left Really striking No-Cal 1950 Gloater Javelin jet built Dave Aronstein flew very wellbut long enough Right Another No-Cal DC-9 crafted Tony Sutter very pretty under power motor ran down glide became ballistic nature John Vorhees built Unlimited Speed job easier tame some others like Jim Thomberrys Sleek Streak re quired dozens attempts complete two timing runs Sleek Streak resembled enraged bumble bee flying Jim finally won Speed event clocking 1467 mph did 559 original model having 12-in fuselage other words FROG model long motor driving effective prop would seem have better chance winning event does Certainly prop critical importance Federa tion rules limit prop diameter specifying starting point com mercial plastic prop means 9-india prop hefty weight grams must laboriously cut scraped down 6-in dia approximately 16 grams kind meticulous work flier must have fierce determination excel Old-Timer Stick Old-Timer event sponsored Tony Italiano limited door Stick model designs published widely between January 1 1934 December 31 1942 construction must accord published plans except differ ent wood sizes may used No high-tech materials recent developments such variable-pitch variable-diameter props may used Vague though rules may sound Tonys event decides exactly what mean somewhat embarrassing note Senior Don Slusarczyk won Old-Timer event 2651 time flying unbraced microfilm model comparison Rich Doig won Indoor Stick 3521 flying full-house FiD model fully braced turning variable-diameter prop Thats 32% improvement 47 years de spite advances technology pretty models unusual de signs found among Bostonian No-Cal Scale models case Bosto nian rules intended foster new aesthetically appealing designs construction freedom allowed No-Cals weight savings inherent built-up pro file fuselage add considerable leeway choice subjectairplanes would make poor AMA Scale subjects fly reason ably well hand-launched profile model Dave Aronsteins 1950 Gloster Javelin Jet example flew very well though too brief time Tony Sutters DC-9 very pretty under power glide ballis tic nature Rubber Speed Rubber Speed event both fascinating frustrating Two classes category flown USIC Peanut Speed Unlimited Rubber Speed flight rules same both Rubber-powered prop-driven models must ROG full three-point position models timed two complete laps around pylons 20 ft apart flight disqualified model touches ground pylon after takeoff What makes Rubber Speed competition problematical power available model varies drastically during flight model must maintain approximately same circle diameter during two timed laps regardless speed altitude gained thrust remaining circle gins correct diameter opens up motor may run down before end second lap model zooms too high may drift beyond pylons disqualified flight adjustments drain off too much zoom model may touch down too soon Add interplay among flight adjustments have quite challenge slowest Unlimited Speed entry Pete Staehlings FROG Staehling required two trials zero course model climbed almost ceilingat stately speed 119 mphin 7179 sec onds Obviously Staehling wasnt win winning Speed Sleek Streak 1467 mph Jim Thornberry required doz ens attempts complete two timed runs because model resembled enraged bumblebee flight Pistachio Scale tiny 6-in -span Scale models super-delicate hard build harder flybut lot fliers keep trying Wayne Trivin did great job building Nesmith Cougar John Martins Rex Stout crafted mainly 0002-in -thick Styrofoam sheet says material very easy work quite durable Catapult Glider slowly developContinued page 160 September 1989 55 Left This neat little Pistachio Scale Rex Stout constructed John Martin 0002-in Styrofoam sheet Right Roy White holding basically conventional Ornithopter except its entirely covered Microfilm including biplane flapping surfaces flappers all-wood framework differential strength between leading trailing edge pieces flapping action would normal highly unusual Helicopter con structed John Merett Its all-balsa model unorthodox cruise pattern As descends flies about 450 attitude unloads rotors speed up allowing model climb vertically little before dropping back sideways flight very tiny Glider helped relieve boredom Round FiD competition Just old days tiny Gliders perched balloon carried near ceiling bumped off allowed glide back down Freedom 207 Proof positiv Freedom 20s it2stTUCtZOfl booklet makes buildi, east Make circus Years ago member San Antonio Gas Model Association pre WW II annual meet printed program mostly advertisements local merchants around $1000 prizes donated merchants very well known town activities enthusiastically re ported local newspaper made big thing out San An tonio Boys did well contest Austin Hous ton Amarillo etc important publicity committee es tablish personal relationship sports ed itor local newspaper keep him well formed early San Antonio Gas Model Asso ciation could have swatted aside prob lems facing modem clubs Clout Perhaps two local meets aimed public should arranged Plan around fun-fly format events such egg drops balloon busting Scale etc course during events field would have closed members sport flying hardly think would bother member unless showed traces Puri tan complex club must make public aware its existence order build Clout Building community involvement admittedly calls lot hard work part club youll have voice maintaining presence community Making ourselves vis ible public seems really way enjoy hobby minimum restriction deploy enough Clout defend ourselves against Puritans Its really simplejust find lift trim little up control circle USIC/Tenny 7 Continued page 55 ing event hasnt produced surprises major advances technology Model weight may well critical HLG cause Catapult rules limit wingspan chord 12 x 3 No other design structural limita tions imposed event As near could tell models very well matched ceilingexcept perhaps winner Chuck Markos placed second last year 13 sec onds behind Bob Warmann year Chuck turned tables time 18 sec onds higher last years beat Bob Warmann 13 seconds give few reference points somewhat esoteric event profile Markos model 6-gram weight Chucks K winning airplane up 45 grams last-year model Polyhedral wings aided roll-out came over top straight away 700 launch All-balsa except spruce wing leading edge model 15% stab wing A-in quarter-grained wood about 003 undercamber launch rub ber 7-in loop 019-in Pirelli stretched full arms length fact Chuck put launch hook just back wing leading edge instead nose get extra 4 stretch out rubber rubber story several years Rubber model fliers have watched precious stocks Pirelli rubber dwindle deteriorate num ber other sources rubber have appeared proved unsatisfactory various reasons lat est Indoor power source new tan rubber FAI Model Supply As meet started people comparing notes about experi WORlDS BIGGEST SCALE PHOTO SERVICE l000 PHOTO PACKS *100 *BLUE RIDGE PLANS 3 VIEWS PHOTO-PACKS PLANS ENLARGING MACHINERYA TOOLS SASE Enierging Box 536-Y Jim PepirosHurricane WV 25526 Catalog *400 60 pagesSCALE PlANS toil PROIfi SEHUICE offer complete selection MadIson Gpeosboro NC 27403lathes mills tools 3209 hOOT 119191 292-5239 No collectAviation Modeler jij ri u 1 *9 t1 Model Aviation responding advertisers mention thatyou read about MadelAviation WE BUILD YOUR HELl TEST YOUR HELl ~\REPAIRYOURHELI KL1 322 North 7th St ~i1Lehighton Pa 18235 WRITE OR CALL FOR INFORMA TION Theyre ones have show up field clunky-looking model besides experts will admit better looking plane can actually betterflyng plane _______BETTER LOOKS THAT COME FREEDOM 20FROM BETTER FLYING WCPAN 0j0lt TNCHPS ences tan rubber Although few fliers point enough experience support strong hunch certainly lot tan used meet since few contestants enough certifiably good Pi relli feel safe relying alone suspect tan won events opinion several fliers tan rubber offers energy storage least equal Pirelli perhaps better over average certainly seems less prone breaking under hard use Pirelli However torque curve definitely has different shape Pirelli re quires recalibration variable props good deal experimentation find correct rubber length/cross section ratios given site Reviewing years results several fliers ex pressed opinion overall meet times lower average 1988 USIC impression largely unfounded events saw drop times ROG Stick Stick FAI cap tured 1988 Jim Richmond top Open times other events higher amounts ranging 2% 12% Nothing skews curves like having Jim Richmond en tered eventand Jim didnt fly year Helicopter Ornithopter USIC giv ing AMAs orphan events arena gradually increasing popularity Two models exhibited design construction innova tions although neither placed both flew well Roy Whites model entirely covered microfilm including biplane flapping surfac es Since flapper used all-wood framework differential strength between leading trailing edges flapping action normal Whites model employed conventional linkage design John Meretts all-balsa Helicopter greatly outRC EXTRA SRR1 Box 28-BTHE VIBRATION KILLER 712-943-4102 Sergeant Bluff IA 51054 FW 000 toOl P00 th Order Large AIrplane Supplies00fl~ TYPOS 01b00100 Oootion WEEKS SPECIAL Esoont 101st too pont ooOond Extr230 33%S2298Splus$15SftH 5000812 koOnonyO00 30% *2199Eplus$1526% OSlpIus8lOpotoMAP~tSPOBOX Check y Order No COD3fl2 YL 1sdfltO 00072 sat. Please send 1 current IIIii log listing ur kits end Walt Moucha ModelsPO Box 11 2A 906-863-1225 e Menominee Ml 49858 Rubber & Eng Power Free Flight Display1 Control Line Electric Power R/C Airplanes new Illustrated 32 page tabloid size catalog US & Canada $100 Foren $300 Penn Valley Hobby enter 837-A W Main St Lanadale PA 19446 its unique progressive airfoil completely eliminates tip stalling DREAM TO FLY THATS DREAM TO BUILD youre inexperienced builder assembling Freedom 20 will breeze Youll work self-aligning components precision-cut balsa plywood fittino hardware youll need included weighed other entrants rotors approximate Easy B prop size equipped tiplets give model unusual cruise pat tern As Helicopter descends flies about 450 attitude unloads rotors speed up allowing model climb vertically little before dropping back sideways flight Its very stable controlled descent Time out Lets face spirited competition Fl D Indoor Stick somewhat boring After beautifully graceful mod els take 35 minutes drift lazily up ceiling back During first round FID small white balloon spotted corner dome rising slowly gingerly girders quickly descending laid-back atmos phere FLD caused minor clamor run ning commentary charted balloons progress still did go quick investigation revealed Vito Gag liano Otto Curth Bob Warmann sim ply reliving modeling history Years ago di version after contests small Gliders would air lifted atop balloon allowed drift back down Glider used years trio though tiny could barely spotted fell off balloon prematurely dragged off contact girder After sev eral tries miniscule Glider adjusted well enough make flights about 30 seconds isnt easy adjust model will almost fit side fist bottom line USIC meet has dramati cally affected overall Indoor competition pic ture Helicopter Ornithopter example record-only events years now showing spirited competitionand soaring times Indoor September 1989 161 hatw beautiful lasL superb sport-trainer looks good flies Lots experts will say shouldnt worry about looks choose trainer Cabin waning slowly reviving growing Catapult Glider pio neered Chicago Aeronuts meets now USIC creating another high-level contest fly Excellent contest management has always hallmark USIC year no ex ception doubtless reasons entry list slowly steadily growing Though meet has subsidized Na tional Free Flight Society general fund gen erosity cannot continue forever would take about 125 entrants annually USIC break Lets get behind best Indoor meet world FF Duration/Fruciano Continued page 57 balsa aluminum carefully centered laminate wrapped around mandrel appropriate shape form tube allowed dry Its light tough requires no further finish Thin-walled surgical tubing used make pressure-bladder tank eas ily inserted tubes cavity major depanure convention de sign application plain V-dihedral competition Power fliers seem have adopted feature V-dihedral Xenon other West Coast ships does its job well perhaps better standard multipanel polyhedral wings Ease construction lighter tal weight since two dihedral joints elimi nated additional efficiency clean un broken spans positive factors asked Whatand name Xe non Randy replied Its gas Seldom has Free Flight modeler dis posal products materials presently avail able him used satisfy ourselves balsa tissue acetate-based cements en gines moderate ability todays modeler pushed maximum find proper applica tion bulletproof fabricsmaterials pound pound stronger steel foams unique strength capabilities cements con tinue improve abilities dry faster can lay parts down assembly Some present-day aeromodelers can re late experience old Rip Van Winkle awoke after 20-year sleep find life around him changed radically present assignments volunteer membership chairman National Free Flight society NFFS Hardly day passes house phone call letter former model builder has decided get back Free Flight realize have ma jor changes begs informa tion will bring him up date position fill fellow Free Flighters am offered excellent vantage point Free Flight growth pattern ad ditions ranks coming former model ers want again RC fliers ready different kind aeromodeling challenge Free Flight alive well perhaps bit different years past still challenge ingenuity skill its practitioners recently chance compare NFFS membership list names par ticipated 88 Lawrenceville IL FF Nats ably organized after FF events AMA Tidewater VA Nats can celled Less 50% participating Lawrenceville NFFS members Cmon fellas know theres no such thing free lunch Tony Ital iano dedicated group formed run Law renceville contest would have happened time read 89 contest will also history However dont embarrassed participated NFFS member matter easily rectified forwarding $15 one-year membership writer name address appear top article Fellow PMAC Phoenix Model Airplane Club member Al Lidbergs prolific workbench contin ues source Free Flight Scale models configurations am sure well acquainted some construc tion articles have appeared MA past must comment upon Als thoroughness aim making faithful good-flying replica full-scale aircraft witness too months ago Al appeared flying field C02-powered Me- 163B Komet Au gust 1988 MA Now constructing Flying Scale model Me-163 would normally give modeler sec ond thoughts especially intended actually fly Als ship same appeared photos construction article complete battle paint flip prop 163B away vertical climb would have rivalled its full-scale ancestor straight up 15 sec followed fast flat glide made wonder 16-in-span model could provide such performance little wing area outstanding demonstration ability Scale models perform well designed flown capable modeler INTRODUCING THE. FLEX-MO UNT FOR 40 AND 60 SIZE ENGINES Reduces Airframe Noise Isolates Engine Vibration Versatile 3 & 4 Hole Mount Universal Mounting System PLANES/ NGS/ 1226 E Ave a-ia Lancaster CA 93535 Available through belier Hobby Shops Dealer ributor Inquiries Invited FLEX MOUNT 60 Accepts Front-tntake 60 Engines toclodes necessary mounting hardware Made USA 162 Model Aviation DODGSu Ut * ThEY KNOW THAT THEY ARE FLYING THE MOST LETHAL MULTITASK THERMAL COMPETITION GLIDER KIT IN THE KNOWN WORLD IT IS TIGHT AND THRILLING SCREAMER ONE MINUTE AND GENTLE SOLID SHIP THAT CAN CLIMB OUT ON THE SLIGHTEST HINT OF LFT THE NEXT MINUTE ** FULL SOPHISTICATED CONTROL FUNCTIONS CAN BE ACIIEVED WITH EVEN SIMPLE 4 CHANNEL RADIO AND YET ThE NEW COMPUTER DRIVEN RADIOS CAN BE USED ALSO ** THIS GLIDER LINE HAS SOMETHING TO CROW ABOUT HAVING INTRODUCED IT WITH THE WINDSONG IN 1982 THE COMPETITION HAS BEEN EATING CROW EVER SINCEI 4 PICTURED DAVE BANKS ONE OF SOARINGS BESTI * Seimd 2 ttmp 10 ow sew catdog * * Ou# Newsletter 8ECO W3 8911 Now Avalebi Pal SI * 2isu uamson Road Bothell WA 98021 206-776-8067 FM-40 FLEX-MO UNt 40 Accepts Front-Intake 25 toSS Engines Includes necessary mounting hardware