Free Flight Duration Harry Murphy FUN David Ramsey sent accompanying group picture SAM Society Antique Modelers-chartered club No 1-sponsored funfly different nature took place Denver CO last March Note models display designthe age less Comet Sparky rubber-powered model affair brought 20 Sparkies out Rocky Mountain woodwork including two entries down Wyoming pictured Standing left right D Lund B Warren J Lange M Fields L Payne B Layne Bill Etherington J Berryman 0 Guest K Nordensen kneeling D Ramsey W Leiper R Norstog Grosheider Club projects building specific model design generally result such active participation young sters appear have enjoyed occasion immensely Should club interested such project plans Comet Sparky hundreds other vintage rubber gas-pow ered designs readily available John Ponds OT Plan Service PO Box 90310 San Jose CA 95109-3310 may want cop ies plan listings come four separate booklets Ask Book No 16 specify book O-T Gas O-T Rubber/Towline O-T Rubber Flying Scale through K O-T Rubber Flying Scale L through Z dollar postpaid NFFS Nos Gas design list writing long-awaited listing eligible designs comply National Free Flight Society NFFS Nostalgia Gas event rules has completed submitted NFFS Digest publication word appreciation see ing chore through realization goes Bob Larsh Ralph Prey served two-man research team finalizing inval uable work Also attaboy goes John Pond provided initial design listing designated team attack verifica tions deletions additions project has easy task say least has taken long thankless hours research project participants arrive juncture Although original NFFS Nos Gas event rules govern early glow-engine era pre-1957 self-explanatory both design engine eligibility list specific model designs coupled previously-published list acceptable engines valuable asset both interested model builder Contest Direc tor CD alike CD armed two listings can make prompt accurate de cisions both counts matter seconds thereby permitting painless processing both model design engine Nostalgia Gas event am told paid-up NFFS members will receive copy design listing NFFS Nostalgia Gas rules upcoming special NFFS Digest issue NFFS member wish fare $15 sent NFFS 8383 Zancanaro Court Citrus Heights CA 95610 sure request subject Digest issue really impa tient would bet would send Bob Ralph dollar bill would send indi vidual copy design listing also makes up nice little six-page booklet Gee would seem though Nos Gas events getting cleaned up will have begin looking elsewhere find lucrative controversial subjects debate subject Nostalgia Gas Midwest Nos Gas fans may interested scheduled October 5 MI-Nostalgia Gas Free Flight Contest held Wright Field Dayton OH meet sponsored Central Indiana Aeromodellers CIA event card include hA hA B C Gas separate events As far known first contest east Mississippi totally dedicated Nostalgia Gas events Out-of-the-area contestants should plan come day early take advantage touring adjacent Air Force Museum well Catons comments mail bag has unusually heavy since last column references being made Gil Morris discussion wing flex April issue various testimonials received would appear disease may prevalent originally thought rate deepest sympathy regard dripped pieces correspondence Ironically same April issue featured Charles Catons fine construction article competition Class B Gas designthe Hummin Bird design incorporates features often associated sophisti 60 Model Aviation Some contestants SAM No1s one-design contest last March Denver models Comet Sparky rubber-power design late ThirtIes Its ageless model design still providing fun stick-and-tissue buffs Photo David Ramsey After noticeable absence K-Mart camera timer back shelves its inexpensive source dependable fuel FournewproductswhichmayinterestFreelighter5 Readaboutthem inHarryscolumn shutoff mechanism Some mods required cated FAI Power models such geodetic wing construction semi-cowled engine VIT gadget ry Variable Incidence Tail use carbon fibers etc So somewhat surprising replies Gil Morris discussion came Hummin Birds author/builder promptly confessed since featured arti cle submitted publication already gone sheeting bottom ward portion wing well top complete D section increased rigidity Charlies opinion wing flex very real problem fast-climbing modelsparticu larly hot engines VIT systems result ing less decalage under power enable such fantastic model speeds also stated additional headaches can caused stab flex can result structure just plain too flimsy symptoms slight looping tendency toward end engine run model speed exceeds strength stab noted once experiencing late-looping problem Satellite first sur mised model too much stab angle Consequently kept lowering stab inci dencebut successuntil stab ac tually crushed itself under resultant deflec tion load ribs broken several places though model did crash Charlie convinced himself twist toward washout side simply crushed structure further indicated experienced phenomenon until began tempting build ultra-light stabilizers us ing A-mil polyester film coverings aid controlling CG Center Gravity model As aptly states just another example subtle problems can plague us pretend Free Flight designers Yeah Charlie aint got fun doing Big birds single contest doesnt necessarily set standards follow interesting statistic caught atten tion Southwest Regionals has con sidered big bash winter years continues draw Free Flights big shooters Buckeye AZ January Event tallies number con testants enter various events always interest Contest Directors modelers alike statistics often used assess future event structures participa tion-planning respectively Anyhow would believe Class D Gas outdrew other AMA Gas events including usually domi nant AA event freak trend Are biggies really comeback Are some us finally getting around designing building last big job Honker 60 before moving shuffleboard beachcombing Florida sands Over years gas-powered behemoths Goliaths have never taken back seat spectator event hobby Remember Comet Sailplanes Gools Satellite 1300s now big bangers RC Scale hold spotlight popularity category events Any advocate Old-Timer RC Assist surely has least two 10-footers competition stable So would unreasonable expect similar swing competition Free Flight increased popu larity big birds may place ask question time anyone interested four-cycle Free Flight Whats new annual Toledo OH manu facturers trade show accurately referred Toledo RC Expo always great fun Midwesterners parts event generally regarded initial spring break out area modelers regardless whether dividual hobby interests aligned model cars boats planes affair attended thousands seem use occasion catch up Whats New department accompanying photo flags just few years new commercial offerings thought may interest followers column bottle No-Heat contains solvent permits Super MonoKote bonded over Super MonoKote application heatthus eliminating ugly sags wrinkles bubbles quite easy use also fuel proof provides neat method apply trim pieces such AMA license numbers like onto transparent opaque Super MonoKote primary covering simply clean area trimmed soft cloth apply thin coating NoHeat place trim piece over No-Heat adhesive side down squeeze out excess solvent small squeegee such hard rubber balsa strip youve got Another advantage solvent takes about 15 seconds begin set up per mits enough time slide trim piece around proper location doesnt work Micafilm cant have everything going tab $5 per four-oz bottle Toledo am sure normal retail price local hobby shop cannot supply product can write L&M Industries PO Box 12501 Fort Wayne IN 46863-2501 particulars obtain solution Its good stuff other depicted container houses white paste-like material called Model Magic Filler manufacturer claims product non-shrinking lightweight fast-setting easysanding odorless water-resistant non-toxic superior strength adhesion Also great filling nicks dents gaps forming fillets balsa foam fiberglass No doesnt walk water watersoluble compatible model paints coverings have already tried pylon fillet its everything say iseasy apply sand looks great producers Model Magic Products Inc PO Box 19784 St Paul MN 55119 paid $450 eightounce tub Toledo Again know standard retail price spent considerable time front Aerospace Composite Products booth fondling various carbon-fiber products plus fiberglass Kevlar tapes mats carry numerous sizes carbon-fiber solid rods tubes well laminated sheets tapes ribbons two packets lower left photo some 25-ounce 4-ounce-persquare-yard fabric-like material called Aero-K Mat consists non-woven Kevlar fiber bonded together random fiber matrix offers better drape characteristics clothlike materials compatible epoxy polyester resin systems 4-ounce material intended fuselage nose sections wing center rein forcements Some rubber-powered advo cates buying lighter 25-ounce mater ial intentions evaluating its use strengthening fuselage areas Mulvihills Wakefields information other space-age construction products write Continued page 149 August 1986 61 David Pfiefer checks out Nostalgia Gas Eureka model Wright Field complete Roger Lane Concentrates winding P listing eligible vintage designs 3Orubber-powered model Popularityof N FF8-sponsored event now availableevent continues grow Midwest Senior-age flier Rlchie Scott copped JrjSr honors P-30 1985 CIA Fall Annual CIA Central Indiana Aeromodelers Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices 904 478-6745 RADIO SOUTH-m AUTHORIZED SERVICE CENTER FOR kruft II Line EhIEI Futabe 43 West Nine Mile Rd Pensacola FL 32514 mm- K * Sales ServiceDealer Inquiries Welcome * board position shown also soldered retaining wire over jack 2 Solder IC socket Mark Pin 1 both surfaces 3 Install resistor tan talum capacitor capacitor must oriented shown 4 Install bare wire links dress neatly 5 Make remaining connections insulated wire 6 Attach servo lead appropriate pads Put IC its socket Carefully check wiring against pictorial schematic before plugging circuit receiver well plug earphone plug SARPI servo socket receiver Switch system transmitter steady loud buzz should heard transmitter off should no sound Note some FM receivers normal hear occasional single clicks transmitter off receiver picks up random noise Parts list Radio Shack catalog num bers Multipurpose bus board 276-150 @ 79 ea Type 4049 4050 CMOS hex buffer IC 276-2449 @ $119 ea 16-pin DIP socket 276-1998 @ 89/2 Enclosed -injack socket 274-297 @ $11 9/2 100ohm W resistor 271-012 @ 19/3 10 mfd tantalum capacitor 272-1436 @ 69 ea Mono earphone -in plug 33-175 @ $149 ea Servo lead suit RC system Hookup wire small-gauge solid eg 26 30 bare insulated FF Duration/Murphy Continued page 61 Aerospace Composite Products 28 Crosswood Road Farmington CT 06032 final item subject photo picked up Toledo sent Ken Curtis Curtis Model Products 10105 Hamil ton Hills Lane Indianapolis IN 46250 Kens new hand-launched glider kit calls Thermalier spans 18 has wing area 56 sq Ken admits design influenced once-popular Eaglet Kens variation has D-T system fuselage nose design improves rollout transition top climb kit contains excellent materials includ ing balsa hardwood parts clay D-T line get penny backit has dual use nose weight D-T function hobby shop cannot supply needs send $595 kit include extra dollar postage packing above ad dress Ken will gladly send Therma 11cr Youll get money s worthplus penny back Newsletter Month Since have expounded finalization designeligibility list Nostalgia Gas events issue thought would opportune proper honor club newsletter its editor originally initiated events Satellite newsletter San Valeers its capable editor Ralph Prey San Valeers current president Terry Thor kildsen vice-president Ed Hopkins Mike Myers handles club monies Ralph gets paperwork secretary newsletter editor Satellite newsletter certainly no newcomer competition Free Flighters its mimeographed sheets have relayed news views contest notices contest results four corners Free Flight years Seldom issue does contain least building engine tip Free Flight controversy brew ing somewhere can depend Satellite defend Southern California fliers posi tion fine publication great tradi tion Should wish begin receiving Satellite send $5 covers 12 issues Ralph Prey 4859 W 97th Street Inglewood CA 90301 Camera timers inexpensive reliable K-Mart camera timers back ever gone least absent area about three years Anyway Continued page 152 1- ROLLED PLANS Ui1/2A FULL KIT $2795 y A-B FULL KIT3995 B-C-D PRO KIT4495 BC D FULL KIT5995 Tee Dee Back Plate Mount 500 Pacifiersea 50 Surgical Tubing1 Oft 300 Shipping $250 ea order Shipping paid orders over $6000 PRE-PAY OR COD/CA RES ADD 6-1/2% TAX 0O 6 August 1986 149 II'I PROPASSEMBLY #109-ELECTRIC ONLY PROP HUB ASSEMBLY #1GM 15 21 size engines electric motor equivalent Weight 85 grams $1500 PROP BLADES FOR HUB #lOUA Available 7x 25 7x 3 7x 35 Bs 4 $400 per blade $800 per pair PROP HUB ASSEMBLY # 110 049 051 engines electric motor equivalent Weight 5 grams $1500 PROP BLADES FOR HUB # 110 Available Ix 3 $400 per blade $800 per pair PROPHUBASSEMBLY# 111 For2540 engines electric motor equivalent 20 grams $2000 PROP BLADES FOR HUB # 111 lable 9 x 4 lOx 4 lix 4 $500 per blade $1000 per pair Send SSAE catalog sheet complete line FF Duration/Murphy Continued page 149 have suddenly appeared everywhere again being listed $695but sale $591 mechanism seems somewhat smaller version last saw shelves however spring very strong can rigged up used fuel shutoff very satisfactorily wont attempt explain pet apparatus design harness mechanisms fuel shut-off use seems nearly Gas flier has own patented device conversion no means unique have something little different surefire functional would certainly interested relaying design readers Well its about time disappear two months well So see ya downwind Harry Murphy 3824 Oakwood Blvd Ander son IN 46011 FF Indoor/Tenny Continued page 62 form twisted like prop blade will fit flat prop block Thus out line formed already properly curved twisted done outline should fitted block during construction moistened relieve stress twisting glued ribs spar after drying Note outline moistened after being tached ribs spar wood will ex pand stress whole structure Prop covering Prop blades should covered prop block possible Otherwise water saliva used adhesive cover trim prop return prop block until moisture has evaporated Also prop covered prop block film must slack enough blade lie film distortion blade twist - can changed during covering film will too tight let blade resume normal twist stress Another important tactic sure film attached both outline ribs accomplishes three things First mois ture used adhesive entire blade ex pands evenly minimizing stress Second individual panels film small enough stiffen blade Finally damage film single section wont spread other sections Dont worry about wrinkles appear blades dry out simple operation will remove Use very fine artist brush moistened water work out wrinkles Stroke brush along wrinkle will pull up level film around After wrinkles treated let whole assembly dry again Finally store prop holder keeps blades touching anything Prop InnovatIons number different plastic props available photos shows convert efficient pusher operation Peanut Scale models free wheeling ratchet front trimmed flat make bearing surface shaft pro jected through hub bent over push against blade Al Backstrom flew setup Bedford Boys Ranch Bedford TX Another photo shows same basic prop hub Photo 1 case small plastic blades removed much larger balsa blades substituted model Profile Scale model flown Randy Randolph again Bedford Boys Ranch Novice Pennyplane has rule limiting prop diameter handle power three-gram model needs Jim Clem trying very wide blades 2Y-in wide blade six inches long shaft tip Ill report performance soon can get some numbers Next time prop blocks prop-covering techniques Bud Tenny Box 545 Richardson TX 75080 Dawnwalker/Oldenkafl1P Continued page 67 maintain rigidity aft motor peg form mount DT tube platforms etc True up main joint slide boom over aft motor hard collar glue works together white glue CyA Eyeball everything good symmetry Sand whole fuselage including down right thrust Add platforms front edge strapping tape reinforcement CyA glue wicks well stufi make up pylons pins wing plat form etc Sand wing mounting unit contour glue yet Make drill nose plug may want spray IN STOCK FOR IMMEDIATE SHIPMENT NEW AH 6237 Cu in$19995 NewOoedre40CDII3-bOeniflgI$12995 Reg 0040 40 912266 Bnighelle flywheel 014295 Reg Ooede 40 Power Aeoenrbly Only$7195 OUAORA REPAIR81000 plo pertol Jin Me. ERCOUPEPLANS $2300 SEMI-KIT 99995 Jim Moeger TOMAHAWK PLANS $2290 SEMI-KIT $9996 Jin Menor6BALLTRPLANS $2395 SEMI-KIT$9995 Ji Meceer ACROBATPLANS 91996 SEMI-KIT $6996 MALONEY 100912996ZONOAH 939 $12995 SACHS-DOLMAR ai CDI 9637 CDI 96 FLOATS 49 114 onclc $2190 co,rplnte kit $4796 19WWIWHEELS 92696 PlKSpningStenton92490 PLANS SUPER STEARMAN 114 IGodfreyl$2999 113 TAYLORCRAFT 0112 CUB Nelite92995 Volkoplco 113 Chicken Charliol$2395 Servo H366 42 no $1296 Wonld 516 9 Ing wodele 93696 PROPS loll aicee Anger Top Flit Oynethnool 20% OFF US Onedre FUEL TANKS160066992300 9796 FIBERGLASS ARROW SHAFTS 911$ 023 long6/61196 24 Hoe Se.4nc 5250 penEege Seed Meek Cheek en Meey 0-do JIM MESSERS QUALITY MODEL PRODUCTS Valey View Dr Box 43 eany NY 14706 PRODUCTS Complete Line Exhaust Systems o Tuned Pipes0 Muffled Tuned Pipes o Headers * Venturi Mufflers o Expansion Mufflers 0 Helicopter Ball Mufflers ialized Exhaust Systems UnsurpaSJ WANNA RACE N RTH AST AREA BEGINNER RACES 0 nFORM-1 oFAI E Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION m 119 DEAN AVE FRANKLIN MASS 02038 Tel 617 528-4043 203 673-2000 152 Model Aviation MODEL PRODUCTS CORP BOX 314 Pompton Plains NJ 07444 available write direct add S200 $500 outside US
Edition: Model Aviation - 1986/08
Page Numbers: 60, 61, 149, 152
Free Flight Duration Harry Murphy FUN David Ramsey sent accompanying group picture SAM Society Antique Modelers-chartered club No 1-sponsored funfly different nature took place Denver CO last March Note models display designthe age less Comet Sparky rubber-powered model affair brought 20 Sparkies out Rocky Mountain woodwork including two entries down Wyoming pictured Standing left right D Lund B Warren J Lange M Fields L Payne B Layne Bill Etherington J Berryman 0 Guest K Nordensen kneeling D Ramsey W Leiper R Norstog Grosheider Club projects building specific model design generally result such active participation young sters appear have enjoyed occasion immensely Should club interested such project plans Comet Sparky hundreds other vintage rubber gas-pow ered designs readily available John Ponds OT Plan Service PO Box 90310 San Jose CA 95109-3310 may want cop ies plan listings come four separate booklets Ask Book No 16 specify book O-T Gas O-T Rubber/Towline O-T Rubber Flying Scale through K O-T Rubber Flying Scale L through Z dollar postpaid NFFS Nos Gas design list writing long-awaited listing eligible designs comply National Free Flight Society NFFS Nostalgia Gas event rules has completed submitted NFFS Digest publication word appreciation see ing chore through realization goes Bob Larsh Ralph Prey served two-man research team finalizing inval uable work Also attaboy goes John Pond provided initial design listing designated team attack verifica tions deletions additions project has easy task say least has taken long thankless hours research project participants arrive juncture Although original NFFS Nos Gas event rules govern early glow-engine era pre-1957 self-explanatory both design engine eligibility list specific model designs coupled previously-published list acceptable engines valuable asset both interested model builder Contest Direc tor CD alike CD armed two listings can make prompt accurate de cisions both counts matter seconds thereby permitting painless processing both model design engine Nostalgia Gas event am told paid-up NFFS members will receive copy design listing NFFS Nostalgia Gas rules upcoming special NFFS Digest issue NFFS member wish fare $15 sent NFFS 8383 Zancanaro Court Citrus Heights CA 95610 sure request subject Digest issue really impa tient would bet would send Bob Ralph dollar bill would send indi vidual copy design listing also makes up nice little six-page booklet Gee would seem though Nos Gas events getting cleaned up will have begin looking elsewhere find lucrative controversial subjects debate subject Nostalgia Gas Midwest Nos Gas fans may interested scheduled October 5 MI-Nostalgia Gas Free Flight Contest held Wright Field Dayton OH meet sponsored Central Indiana Aeromodellers CIA event card include hA hA B C Gas separate events As far known first contest east Mississippi totally dedicated Nostalgia Gas events Out-of-the-area contestants should plan come day early take advantage touring adjacent Air Force Museum well Catons comments mail bag has unusually heavy since last column references being made Gil Morris discussion wing flex April issue various testimonials received would appear disease may prevalent originally thought rate deepest sympathy regard dripped pieces correspondence Ironically same April issue featured Charles Catons fine construction article competition Class B Gas designthe Hummin Bird design incorporates features often associated sophisti 60 Model Aviation Some contestants SAM No1s one-design contest last March Denver models Comet Sparky rubber-power design late ThirtIes Its ageless model design still providing fun stick-and-tissue buffs Photo David Ramsey After noticeable absence K-Mart camera timer back shelves its inexpensive source dependable fuel FournewproductswhichmayinterestFreelighter5 Readaboutthem inHarryscolumn shutoff mechanism Some mods required cated FAI Power models such geodetic wing construction semi-cowled engine VIT gadget ry Variable Incidence Tail use carbon fibers etc So somewhat surprising replies Gil Morris discussion came Hummin Birds author/builder promptly confessed since featured arti cle submitted publication already gone sheeting bottom ward portion wing well top complete D section increased rigidity Charlies opinion wing flex very real problem fast-climbing modelsparticu larly hot engines VIT systems result ing less decalage under power enable such fantastic model speeds also stated additional headaches can caused stab flex can result structure just plain too flimsy symptoms slight looping tendency toward end engine run model speed exceeds strength stab noted once experiencing late-looping problem Satellite first sur mised model too much stab angle Consequently kept lowering stab inci dencebut successuntil stab ac tually crushed itself under resultant deflec tion load ribs broken several places though model did crash Charlie convinced himself twist toward washout side simply crushed structure further indicated experienced phenomenon until began tempting build ultra-light stabilizers us ing A-mil polyester film coverings aid controlling CG Center Gravity model As aptly states just another example subtle problems can plague us pretend Free Flight designers Yeah Charlie aint got fun doing Big birds single contest doesnt necessarily set standards follow interesting statistic caught atten tion Southwest Regionals has con sidered big bash winter years continues draw Free Flights big shooters Buckeye AZ January Event tallies number con testants enter various events always interest Contest Directors modelers alike statistics often used assess future event structures participa tion-planning respectively Anyhow would believe Class D Gas outdrew other AMA Gas events including usually domi nant AA event freak trend Are biggies really comeback Are some us finally getting around designing building last big job Honker 60 before moving shuffleboard beachcombing Florida sands Over years gas-powered behemoths Goliaths have never taken back seat spectator event hobby Remember Comet Sailplanes Gools Satellite 1300s now big bangers RC Scale hold spotlight popularity category events Any advocate Old-Timer RC Assist surely has least two 10-footers competition stable So would unreasonable expect similar swing competition Free Flight increased popu larity big birds may place ask question time anyone interested four-cycle Free Flight Whats new annual Toledo OH manu facturers trade show accurately referred Toledo RC Expo always great fun Midwesterners parts event generally regarded initial spring break out area modelers regardless whether dividual hobby interests aligned model cars boats planes affair attended thousands seem use occasion catch up Whats New department accompanying photo flags just few years new commercial offerings thought may interest followers column bottle No-Heat contains solvent permits Super MonoKote bonded over Super MonoKote application heatthus eliminating ugly sags wrinkles bubbles quite easy use also fuel proof provides neat method apply trim pieces such AMA license numbers like onto transparent opaque Super MonoKote primary covering simply clean area trimmed soft cloth apply thin coating NoHeat place trim piece over No-Heat adhesive side down squeeze out excess solvent small squeegee such hard rubber balsa strip youve got Another advantage solvent takes about 15 seconds begin set up per mits enough time slide trim piece around proper location doesnt work Micafilm cant have everything going tab $5 per four-oz bottle Toledo am sure normal retail price local hobby shop cannot supply product can write L&M Industries PO Box 12501 Fort Wayne IN 46863-2501 particulars obtain solution Its good stuff other depicted container houses white paste-like material called Model Magic Filler manufacturer claims product non-shrinking lightweight fast-setting easysanding odorless water-resistant non-toxic superior strength adhesion Also great filling nicks dents gaps forming fillets balsa foam fiberglass No doesnt walk water watersoluble compatible model paints coverings have already tried pylon fillet its everything say iseasy apply sand looks great producers Model Magic Products Inc PO Box 19784 St Paul MN 55119 paid $450 eightounce tub Toledo Again know standard retail price spent considerable time front Aerospace Composite Products booth fondling various carbon-fiber products plus fiberglass Kevlar tapes mats carry numerous sizes carbon-fiber solid rods tubes well laminated sheets tapes ribbons two packets lower left photo some 25-ounce 4-ounce-persquare-yard fabric-like material called Aero-K Mat consists non-woven Kevlar fiber bonded together random fiber matrix offers better drape characteristics clothlike materials compatible epoxy polyester resin systems 4-ounce material intended fuselage nose sections wing center rein forcements Some rubber-powered advo cates buying lighter 25-ounce mater ial intentions evaluating its use strengthening fuselage areas Mulvihills Wakefields information other space-age construction products write Continued page 149 August 1986 61 David Pfiefer checks out Nostalgia Gas Eureka model Wright Field complete Roger Lane Concentrates winding P listing eligible vintage designs 3Orubber-powered model Popularityof N FF8-sponsored event now availableevent continues grow Midwest Senior-age flier Rlchie Scott copped JrjSr honors P-30 1985 CIA Fall Annual CIA Central Indiana Aeromodelers Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices 904 478-6745 RADIO SOUTH-m AUTHORIZED SERVICE CENTER FOR kruft II Line EhIEI Futabe 43 West Nine Mile Rd Pensacola FL 32514 mm- K * Sales ServiceDealer Inquiries Welcome * board position shown also soldered retaining wire over jack 2 Solder IC socket Mark Pin 1 both surfaces 3 Install resistor tan talum capacitor capacitor must oriented shown 4 Install bare wire links dress neatly 5 Make remaining connections insulated wire 6 Attach servo lead appropriate pads Put IC its socket Carefully check wiring against pictorial schematic before plugging circuit receiver well plug earphone plug SARPI servo socket receiver Switch system transmitter steady loud buzz should heard transmitter off should no sound Note some FM receivers normal hear occasional single clicks transmitter off receiver picks up random noise Parts list Radio Shack catalog num bers Multipurpose bus board 276-150 @ 79 ea Type 4049 4050 CMOS hex buffer IC 276-2449 @ $119 ea 16-pin DIP socket 276-1998 @ 89/2 Enclosed -injack socket 274-297 @ $11 9/2 100ohm W resistor 271-012 @ 19/3 10 mfd tantalum capacitor 272-1436 @ 69 ea Mono earphone -in plug 33-175 @ $149 ea Servo lead suit RC system Hookup wire small-gauge solid eg 26 30 bare insulated FF Duration/Murphy Continued page 61 Aerospace Composite Products 28 Crosswood Road Farmington CT 06032 final item subject photo picked up Toledo sent Ken Curtis Curtis Model Products 10105 Hamil ton Hills Lane Indianapolis IN 46250 Kens new hand-launched glider kit calls Thermalier spans 18 has wing area 56 sq Ken admits design influenced once-popular Eaglet Kens variation has D-T system fuselage nose design improves rollout transition top climb kit contains excellent materials includ ing balsa hardwood parts clay D-T line get penny backit has dual use nose weight D-T function hobby shop cannot supply needs send $595 kit include extra dollar postage packing above ad dress Ken will gladly send Therma 11cr Youll get money s worthplus penny back Newsletter Month Since have expounded finalization designeligibility list Nostalgia Gas events issue thought would opportune proper honor club newsletter its editor originally initiated events Satellite newsletter San Valeers its capable editor Ralph Prey San Valeers current president Terry Thor kildsen vice-president Ed Hopkins Mike Myers handles club monies Ralph gets paperwork secretary newsletter editor Satellite newsletter certainly no newcomer competition Free Flighters its mimeographed sheets have relayed news views contest notices contest results four corners Free Flight years Seldom issue does contain least building engine tip Free Flight controversy brew ing somewhere can depend Satellite defend Southern California fliers posi tion fine publication great tradi tion Should wish begin receiving Satellite send $5 covers 12 issues Ralph Prey 4859 W 97th Street Inglewood CA 90301 Camera timers inexpensive reliable K-Mart camera timers back ever gone least absent area about three years Anyway Continued page 152 1- ROLLED PLANS Ui1/2A FULL KIT $2795 y A-B FULL KIT3995 B-C-D PRO KIT4495 BC D FULL KIT5995 Tee Dee Back Plate Mount 500 Pacifiersea 50 Surgical Tubing1 Oft 300 Shipping $250 ea order Shipping paid orders over $6000 PRE-PAY OR COD/CA RES ADD 6-1/2% TAX 0O 6 August 1986 149 II'I PROPASSEMBLY #109-ELECTRIC ONLY PROP HUB ASSEMBLY #1GM 15 21 size engines electric motor equivalent Weight 85 grams $1500 PROP BLADES FOR HUB #lOUA Available 7x 25 7x 3 7x 35 Bs 4 $400 per blade $800 per pair PROP HUB ASSEMBLY # 110 049 051 engines electric motor equivalent Weight 5 grams $1500 PROP BLADES FOR HUB # 110 Available Ix 3 $400 per blade $800 per pair PROPHUBASSEMBLY# 111 For2540 engines electric motor equivalent 20 grams $2000 PROP BLADES FOR HUB # 111 lable 9 x 4 lOx 4 lix 4 $500 per blade $1000 per pair Send SSAE catalog sheet complete line FF Duration/Murphy Continued page 149 have suddenly appeared everywhere again being listed $695but sale $591 mechanism seems somewhat smaller version last saw shelves however spring very strong can rigged up used fuel shutoff very satisfactorily wont attempt explain pet apparatus design harness mechanisms fuel shut-off use seems nearly Gas flier has own patented device conversion no means unique have something little different surefire functional would certainly interested relaying design readers Well its about time disappear two months well So see ya downwind Harry Murphy 3824 Oakwood Blvd Ander son IN 46011 FF Indoor/Tenny Continued page 62 form twisted like prop blade will fit flat prop block Thus out line formed already properly curved twisted done outline should fitted block during construction moistened relieve stress twisting glued ribs spar after drying Note outline moistened after being tached ribs spar wood will ex pand stress whole structure Prop covering Prop blades should covered prop block possible Otherwise water saliva used adhesive cover trim prop return prop block until moisture has evaporated Also prop covered prop block film must slack enough blade lie film distortion blade twist - can changed during covering film will too tight let blade resume normal twist stress Another important tactic sure film attached both outline ribs accomplishes three things First mois ture used adhesive entire blade ex pands evenly minimizing stress Second individual panels film small enough stiffen blade Finally damage film single section wont spread other sections Dont worry about wrinkles appear blades dry out simple operation will remove Use very fine artist brush moistened water work out wrinkles Stroke brush along wrinkle will pull up level film around After wrinkles treated let whole assembly dry again Finally store prop holder keeps blades touching anything Prop InnovatIons number different plastic props available photos shows convert efficient pusher operation Peanut Scale models free wheeling ratchet front trimmed flat make bearing surface shaft pro jected through hub bent over push against blade Al Backstrom flew setup Bedford Boys Ranch Bedford TX Another photo shows same basic prop hub Photo 1 case small plastic blades removed much larger balsa blades substituted model Profile Scale model flown Randy Randolph again Bedford Boys Ranch Novice Pennyplane has rule limiting prop diameter handle power three-gram model needs Jim Clem trying very wide blades 2Y-in wide blade six inches long shaft tip Ill report performance soon can get some numbers Next time prop blocks prop-covering techniques Bud Tenny Box 545 Richardson TX 75080 Dawnwalker/Oldenkafl1P Continued page 67 maintain rigidity aft motor peg form mount DT tube platforms etc True up main joint slide boom over aft motor hard collar glue works together white glue CyA Eyeball everything good symmetry Sand whole fuselage including down right thrust Add platforms front edge strapping tape reinforcement CyA glue wicks well stufi make up pylons pins wing plat form etc Sand wing mounting unit contour glue yet Make drill nose plug may want spray IN STOCK FOR IMMEDIATE SHIPMENT NEW AH 6237 Cu in$19995 NewOoedre40CDII3-bOeniflgI$12995 Reg 0040 40 912266 Bnighelle flywheel 014295 Reg Ooede 40 Power Aeoenrbly Only$7195 OUAORA REPAIR81000 plo pertol Jin Me. ERCOUPEPLANS $2300 SEMI-KIT 99995 Jim Moeger TOMAHAWK PLANS $2290 SEMI-KIT $9996 Jin Menor6BALLTRPLANS $2395 SEMI-KIT$9995 Ji Meceer ACROBATPLANS 91996 SEMI-KIT $6996 MALONEY 100912996ZONOAH 939 $12995 SACHS-DOLMAR ai CDI 9637 CDI 96 FLOATS 49 114 onclc $2190 co,rplnte kit $4796 19WWIWHEELS 92696 PlKSpningStenton92490 PLANS SUPER STEARMAN 114 IGodfreyl$2999 113 TAYLORCRAFT 0112 CUB Nelite92995 Volkoplco 113 Chicken Charliol$2395 Servo H366 42 no $1296 Wonld 516 9 Ing wodele 93696 PROPS loll aicee Anger Top Flit Oynethnool 20% OFF US Onedre FUEL TANKS160066992300 9796 FIBERGLASS ARROW SHAFTS 911$ 023 long6/61196 24 Hoe Se.4nc 5250 penEege Seed Meek Cheek en Meey 0-do JIM MESSERS QUALITY MODEL PRODUCTS Valey View Dr Box 43 eany NY 14706 PRODUCTS Complete Line Exhaust Systems o Tuned Pipes0 Muffled Tuned Pipes o Headers * Venturi Mufflers o Expansion Mufflers 0 Helicopter Ball Mufflers ialized Exhaust Systems UnsurpaSJ WANNA RACE N RTH AST AREA BEGINNER RACES 0 nFORM-1 oFAI E Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION m 119 DEAN AVE FRANKLIN MASS 02038 Tel 617 528-4043 203 673-2000 152 Model Aviation MODEL PRODUCTS CORP BOX 314 Pompton Plains NJ 07444 available write direct add S200 $500 outside US
Edition: Model Aviation - 1986/08
Page Numbers: 60, 61, 149, 152
Free Flight Duration Harry Murphy FUN David Ramsey sent accompanying group picture SAM Society Antique Modelers-chartered club No 1-sponsored funfly different nature took place Denver CO last March Note models display designthe age less Comet Sparky rubber-powered model affair brought 20 Sparkies out Rocky Mountain woodwork including two entries down Wyoming pictured Standing left right D Lund B Warren J Lange M Fields L Payne B Layne Bill Etherington J Berryman 0 Guest K Nordensen kneeling D Ramsey W Leiper R Norstog Grosheider Club projects building specific model design generally result such active participation young sters appear have enjoyed occasion immensely Should club interested such project plans Comet Sparky hundreds other vintage rubber gas-pow ered designs readily available John Ponds OT Plan Service PO Box 90310 San Jose CA 95109-3310 may want cop ies plan listings come four separate booklets Ask Book No 16 specify book O-T Gas O-T Rubber/Towline O-T Rubber Flying Scale through K O-T Rubber Flying Scale L through Z dollar postpaid NFFS Nos Gas design list writing long-awaited listing eligible designs comply National Free Flight Society NFFS Nostalgia Gas event rules has completed submitted NFFS Digest publication word appreciation see ing chore through realization goes Bob Larsh Ralph Prey served two-man research team finalizing inval uable work Also attaboy goes John Pond provided initial design listing designated team attack verifica tions deletions additions project has easy task say least has taken long thankless hours research project participants arrive juncture Although original NFFS Nos Gas event rules govern early glow-engine era pre-1957 self-explanatory both design engine eligibility list specific model designs coupled previously-published list acceptable engines valuable asset both interested model builder Contest Direc tor CD alike CD armed two listings can make prompt accurate de cisions both counts matter seconds thereby permitting painless processing both model design engine Nostalgia Gas event am told paid-up NFFS members will receive copy design listing NFFS Nostalgia Gas rules upcoming special NFFS Digest issue NFFS member wish fare $15 sent NFFS 8383 Zancanaro Court Citrus Heights CA 95610 sure request subject Digest issue really impa tient would bet would send Bob Ralph dollar bill would send indi vidual copy design listing also makes up nice little six-page booklet Gee would seem though Nos Gas events getting cleaned up will have begin looking elsewhere find lucrative controversial subjects debate subject Nostalgia Gas Midwest Nos Gas fans may interested scheduled October 5 MI-Nostalgia Gas Free Flight Contest held Wright Field Dayton OH meet sponsored Central Indiana Aeromodellers CIA event card include hA hA B C Gas separate events As far known first contest east Mississippi totally dedicated Nostalgia Gas events Out-of-the-area contestants should plan come day early take advantage touring adjacent Air Force Museum well Catons comments mail bag has unusually heavy since last column references being made Gil Morris discussion wing flex April issue various testimonials received would appear disease may prevalent originally thought rate deepest sympathy regard dripped pieces correspondence Ironically same April issue featured Charles Catons fine construction article competition Class B Gas designthe Hummin Bird design incorporates features often associated sophisti 60 Model Aviation Some contestants SAM No1s one-design contest last March Denver models Comet Sparky rubber-power design late ThirtIes Its ageless model design still providing fun stick-and-tissue buffs Photo David Ramsey After noticeable absence K-Mart camera timer back shelves its inexpensive source dependable fuel FournewproductswhichmayinterestFreelighter5 Readaboutthem inHarryscolumn shutoff mechanism Some mods required cated FAI Power models such geodetic wing construction semi-cowled engine VIT gadget ry Variable Incidence Tail use carbon fibers etc So somewhat surprising replies Gil Morris discussion came Hummin Birds author/builder promptly confessed since featured arti cle submitted publication already gone sheeting bottom ward portion wing well top complete D section increased rigidity Charlies opinion wing flex very real problem fast-climbing modelsparticu larly hot engines VIT systems result ing less decalage under power enable such fantastic model speeds also stated additional headaches can caused stab flex can result structure just plain too flimsy symptoms slight looping tendency toward end engine run model speed exceeds strength stab noted once experiencing late-looping problem Satellite first sur mised model too much stab angle Consequently kept lowering stab inci dencebut successuntil stab ac tually crushed itself under resultant deflec tion load ribs broken several places though model did crash Charlie convinced himself twist toward washout side simply crushed structure further indicated experienced phenomenon until began tempting build ultra-light stabilizers us ing A-mil polyester film coverings aid controlling CG Center Gravity model As aptly states just another example subtle problems can plague us pretend Free Flight designers Yeah Charlie aint got fun doing Big birds single contest doesnt necessarily set standards follow interesting statistic caught atten tion Southwest Regionals has con sidered big bash winter years continues draw Free Flights big shooters Buckeye AZ January Event tallies number con testants enter various events always interest Contest Directors modelers alike statistics often used assess future event structures participa tion-planning respectively Anyhow would believe Class D Gas outdrew other AMA Gas events including usually domi nant AA event freak trend Are biggies really comeback Are some us finally getting around designing building last big job Honker 60 before moving shuffleboard beachcombing Florida sands Over years gas-powered behemoths Goliaths have never taken back seat spectator event hobby Remember Comet Sailplanes Gools Satellite 1300s now big bangers RC Scale hold spotlight popularity category events Any advocate Old-Timer RC Assist surely has least two 10-footers competition stable So would unreasonable expect similar swing competition Free Flight increased popu larity big birds may place ask question time anyone interested four-cycle Free Flight Whats new annual Toledo OH manu facturers trade show accurately referred Toledo RC Expo always great fun Midwesterners parts event generally regarded initial spring break out area modelers regardless whether dividual hobby interests aligned model cars boats planes affair attended thousands seem use occasion catch up Whats New department accompanying photo flags just few years new commercial offerings thought may interest followers column bottle No-Heat contains solvent permits Super MonoKote bonded over Super MonoKote application heatthus eliminating ugly sags wrinkles bubbles quite easy use also fuel proof provides neat method apply trim pieces such AMA license numbers like onto transparent opaque Super MonoKote primary covering simply clean area trimmed soft cloth apply thin coating NoHeat place trim piece over No-Heat adhesive side down squeeze out excess solvent small squeegee such hard rubber balsa strip youve got Another advantage solvent takes about 15 seconds begin set up per mits enough time slide trim piece around proper location doesnt work Micafilm cant have everything going tab $5 per four-oz bottle Toledo am sure normal retail price local hobby shop cannot supply product can write L&M Industries PO Box 12501 Fort Wayne IN 46863-2501 particulars obtain solution Its good stuff other depicted container houses white paste-like material called Model Magic Filler manufacturer claims product non-shrinking lightweight fast-setting easysanding odorless water-resistant non-toxic superior strength adhesion Also great filling nicks dents gaps forming fillets balsa foam fiberglass No doesnt walk water watersoluble compatible model paints coverings have already tried pylon fillet its everything say iseasy apply sand looks great producers Model Magic Products Inc PO Box 19784 St Paul MN 55119 paid $450 eightounce tub Toledo Again know standard retail price spent considerable time front Aerospace Composite Products booth fondling various carbon-fiber products plus fiberglass Kevlar tapes mats carry numerous sizes carbon-fiber solid rods tubes well laminated sheets tapes ribbons two packets lower left photo some 25-ounce 4-ounce-persquare-yard fabric-like material called Aero-K Mat consists non-woven Kevlar fiber bonded together random fiber matrix offers better drape characteristics clothlike materials compatible epoxy polyester resin systems 4-ounce material intended fuselage nose sections wing center rein forcements Some rubber-powered advo cates buying lighter 25-ounce mater ial intentions evaluating its use strengthening fuselage areas Mulvihills Wakefields information other space-age construction products write Continued page 149 August 1986 61 David Pfiefer checks out Nostalgia Gas Eureka model Wright Field complete Roger Lane Concentrates winding P listing eligible vintage designs 3Orubber-powered model Popularityof N FF8-sponsored event now availableevent continues grow Midwest Senior-age flier Rlchie Scott copped JrjSr honors P-30 1985 CIA Fall Annual CIA Central Indiana Aeromodelers Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices 904 478-6745 RADIO SOUTH-m AUTHORIZED SERVICE CENTER FOR kruft II Line EhIEI Futabe 43 West Nine Mile Rd Pensacola FL 32514 mm- K * Sales ServiceDealer Inquiries Welcome * board position shown also soldered retaining wire over jack 2 Solder IC socket Mark Pin 1 both surfaces 3 Install resistor tan talum capacitor capacitor must oriented shown 4 Install bare wire links dress neatly 5 Make remaining connections insulated wire 6 Attach servo lead appropriate pads Put IC its socket Carefully check wiring against pictorial schematic before plugging circuit receiver well plug earphone plug SARPI servo socket receiver Switch system transmitter steady loud buzz should heard transmitter off should no sound Note some FM receivers normal hear occasional single clicks transmitter off receiver picks up random noise Parts list Radio Shack catalog num bers Multipurpose bus board 276-150 @ 79 ea Type 4049 4050 CMOS hex buffer IC 276-2449 @ $119 ea 16-pin DIP socket 276-1998 @ 89/2 Enclosed -injack socket 274-297 @ $11 9/2 100ohm W resistor 271-012 @ 19/3 10 mfd tantalum capacitor 272-1436 @ 69 ea Mono earphone -in plug 33-175 @ $149 ea Servo lead suit RC system Hookup wire small-gauge solid eg 26 30 bare insulated FF Duration/Murphy Continued page 61 Aerospace Composite Products 28 Crosswood Road Farmington CT 06032 final item subject photo picked up Toledo sent Ken Curtis Curtis Model Products 10105 Hamil ton Hills Lane Indianapolis IN 46250 Kens new hand-launched glider kit calls Thermalier spans 18 has wing area 56 sq Ken admits design influenced once-popular Eaglet Kens variation has D-T system fuselage nose design improves rollout transition top climb kit contains excellent materials includ ing balsa hardwood parts clay D-T line get penny backit has dual use nose weight D-T function hobby shop cannot supply needs send $595 kit include extra dollar postage packing above ad dress Ken will gladly send Therma 11cr Youll get money s worthplus penny back Newsletter Month Since have expounded finalization designeligibility list Nostalgia Gas events issue thought would opportune proper honor club newsletter its editor originally initiated events Satellite newsletter San Valeers its capable editor Ralph Prey San Valeers current president Terry Thor kildsen vice-president Ed Hopkins Mike Myers handles club monies Ralph gets paperwork secretary newsletter editor Satellite newsletter certainly no newcomer competition Free Flighters its mimeographed sheets have relayed news views contest notices contest results four corners Free Flight years Seldom issue does contain least building engine tip Free Flight controversy brew ing somewhere can depend Satellite defend Southern California fliers posi tion fine publication great tradi tion Should wish begin receiving Satellite send $5 covers 12 issues Ralph Prey 4859 W 97th Street Inglewood CA 90301 Camera timers inexpensive reliable K-Mart camera timers back ever gone least absent area about three years Anyway Continued page 152 1- ROLLED PLANS Ui1/2A FULL KIT $2795 y A-B FULL KIT3995 B-C-D PRO KIT4495 BC D FULL KIT5995 Tee Dee Back Plate Mount 500 Pacifiersea 50 Surgical Tubing1 Oft 300 Shipping $250 ea order Shipping paid orders over $6000 PRE-PAY OR COD/CA RES ADD 6-1/2% TAX 0O 6 August 1986 149 II'I PROPASSEMBLY #109-ELECTRIC ONLY PROP HUB ASSEMBLY #1GM 15 21 size engines electric motor equivalent Weight 85 grams $1500 PROP BLADES FOR HUB #lOUA Available 7x 25 7x 3 7x 35 Bs 4 $400 per blade $800 per pair PROP HUB ASSEMBLY # 110 049 051 engines electric motor equivalent Weight 5 grams $1500 PROP BLADES FOR HUB # 110 Available Ix 3 $400 per blade $800 per pair PROPHUBASSEMBLY# 111 For2540 engines electric motor equivalent 20 grams $2000 PROP BLADES FOR HUB # 111 lable 9 x 4 lOx 4 lix 4 $500 per blade $1000 per pair Send SSAE catalog sheet complete line FF Duration/Murphy Continued page 149 have suddenly appeared everywhere again being listed $695but sale $591 mechanism seems somewhat smaller version last saw shelves however spring very strong can rigged up used fuel shutoff very satisfactorily wont attempt explain pet apparatus design harness mechanisms fuel shut-off use seems nearly Gas flier has own patented device conversion no means unique have something little different surefire functional would certainly interested relaying design readers Well its about time disappear two months well So see ya downwind Harry Murphy 3824 Oakwood Blvd Ander son IN 46011 FF Indoor/Tenny Continued page 62 form twisted like prop blade will fit flat prop block Thus out line formed already properly curved twisted done outline should fitted block during construction moistened relieve stress twisting glued ribs spar after drying Note outline moistened after being tached ribs spar wood will ex pand stress whole structure Prop covering Prop blades should covered prop block possible Otherwise water saliva used adhesive cover trim prop return prop block until moisture has evaporated Also prop covered prop block film must slack enough blade lie film distortion blade twist - can changed during covering film will too tight let blade resume normal twist stress Another important tactic sure film attached both outline ribs accomplishes three things First mois ture used adhesive entire blade ex pands evenly minimizing stress Second individual panels film small enough stiffen blade Finally damage film single section wont spread other sections Dont worry about wrinkles appear blades dry out simple operation will remove Use very fine artist brush moistened water work out wrinkles Stroke brush along wrinkle will pull up level film around After wrinkles treated let whole assembly dry again Finally store prop holder keeps blades touching anything Prop InnovatIons number different plastic props available photos shows convert efficient pusher operation Peanut Scale models free wheeling ratchet front trimmed flat make bearing surface shaft pro jected through hub bent over push against blade Al Backstrom flew setup Bedford Boys Ranch Bedford TX Another photo shows same basic prop hub Photo 1 case small plastic blades removed much larger balsa blades substituted model Profile Scale model flown Randy Randolph again Bedford Boys Ranch Novice Pennyplane has rule limiting prop diameter handle power three-gram model needs Jim Clem trying very wide blades 2Y-in wide blade six inches long shaft tip Ill report performance soon can get some numbers Next time prop blocks prop-covering techniques Bud Tenny Box 545 Richardson TX 75080 Dawnwalker/Oldenkafl1P Continued page 67 maintain rigidity aft motor peg form mount DT tube platforms etc True up main joint slide boom over aft motor hard collar glue works together white glue CyA Eyeball everything good symmetry Sand whole fuselage including down right thrust Add platforms front edge strapping tape reinforcement CyA glue wicks well stufi make up pylons pins wing plat form etc Sand wing mounting unit contour glue yet Make drill nose plug may want spray IN STOCK FOR IMMEDIATE SHIPMENT NEW AH 6237 Cu in$19995 NewOoedre40CDII3-bOeniflgI$12995 Reg 0040 40 912266 Bnighelle flywheel 014295 Reg Ooede 40 Power Aeoenrbly Only$7195 OUAORA REPAIR81000 plo pertol Jin Me. ERCOUPEPLANS $2300 SEMI-KIT 99995 Jim Moeger TOMAHAWK PLANS $2290 SEMI-KIT $9996 Jin Menor6BALLTRPLANS $2395 SEMI-KIT$9995 Ji Meceer ACROBATPLANS 91996 SEMI-KIT $6996 MALONEY 100912996ZONOAH 939 $12995 SACHS-DOLMAR ai CDI 9637 CDI 96 FLOATS 49 114 onclc $2190 co,rplnte kit $4796 19WWIWHEELS 92696 PlKSpningStenton92490 PLANS SUPER STEARMAN 114 IGodfreyl$2999 113 TAYLORCRAFT 0112 CUB Nelite92995 Volkoplco 113 Chicken Charliol$2395 Servo H366 42 no $1296 Wonld 516 9 Ing wodele 93696 PROPS loll aicee Anger Top Flit Oynethnool 20% OFF US Onedre FUEL TANKS160066992300 9796 FIBERGLASS ARROW SHAFTS 911$ 023 long6/61196 24 Hoe Se.4nc 5250 penEege Seed Meek Cheek en Meey 0-do JIM MESSERS QUALITY MODEL PRODUCTS Valey View Dr Box 43 eany NY 14706 PRODUCTS Complete Line Exhaust Systems o Tuned Pipes0 Muffled Tuned Pipes o Headers * Venturi Mufflers o Expansion Mufflers 0 Helicopter Ball Mufflers ialized Exhaust Systems UnsurpaSJ WANNA RACE N RTH AST AREA BEGINNER RACES 0 nFORM-1 oFAI E Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION m 119 DEAN AVE FRANKLIN MASS 02038 Tel 617 528-4043 203 673-2000 152 Model Aviation MODEL PRODUCTS CORP BOX 314 Pompton Plains NJ 07444 available write direct add S200 $500 outside US
Edition: Model Aviation - 1986/08
Page Numbers: 60, 61, 149, 152
Free Flight Duration Harry Murphy FUN David Ramsey sent accompanying group picture SAM Society Antique Modelers-chartered club No 1-sponsored funfly different nature took place Denver CO last March Note models display designthe age less Comet Sparky rubber-powered model affair brought 20 Sparkies out Rocky Mountain woodwork including two entries down Wyoming pictured Standing left right D Lund B Warren J Lange M Fields L Payne B Layne Bill Etherington J Berryman 0 Guest K Nordensen kneeling D Ramsey W Leiper R Norstog Grosheider Club projects building specific model design generally result such active participation young sters appear have enjoyed occasion immensely Should club interested such project plans Comet Sparky hundreds other vintage rubber gas-pow ered designs readily available John Ponds OT Plan Service PO Box 90310 San Jose CA 95109-3310 may want cop ies plan listings come four separate booklets Ask Book No 16 specify book O-T Gas O-T Rubber/Towline O-T Rubber Flying Scale through K O-T Rubber Flying Scale L through Z dollar postpaid NFFS Nos Gas design list writing long-awaited listing eligible designs comply National Free Flight Society NFFS Nostalgia Gas event rules has completed submitted NFFS Digest publication word appreciation see ing chore through realization goes Bob Larsh Ralph Prey served two-man research team finalizing inval uable work Also attaboy goes John Pond provided initial design listing designated team attack verifica tions deletions additions project has easy task say least has taken long thankless hours research project participants arrive juncture Although original NFFS Nos Gas event rules govern early glow-engine era pre-1957 self-explanatory both design engine eligibility list specific model designs coupled previously-published list acceptable engines valuable asset both interested model builder Contest Direc tor CD alike CD armed two listings can make prompt accurate de cisions both counts matter seconds thereby permitting painless processing both model design engine Nostalgia Gas event am told paid-up NFFS members will receive copy design listing NFFS Nostalgia Gas rules upcoming special NFFS Digest issue NFFS member wish fare $15 sent NFFS 8383 Zancanaro Court Citrus Heights CA 95610 sure request subject Digest issue really impa tient would bet would send Bob Ralph dollar bill would send indi vidual copy design listing also makes up nice little six-page booklet Gee would seem though Nos Gas events getting cleaned up will have begin looking elsewhere find lucrative controversial subjects debate subject Nostalgia Gas Midwest Nos Gas fans may interested scheduled October 5 MI-Nostalgia Gas Free Flight Contest held Wright Field Dayton OH meet sponsored Central Indiana Aeromodellers CIA event card include hA hA B C Gas separate events As far known first contest east Mississippi totally dedicated Nostalgia Gas events Out-of-the-area contestants should plan come day early take advantage touring adjacent Air Force Museum well Catons comments mail bag has unusually heavy since last column references being made Gil Morris discussion wing flex April issue various testimonials received would appear disease may prevalent originally thought rate deepest sympathy regard dripped pieces correspondence Ironically same April issue featured Charles Catons fine construction article competition Class B Gas designthe Hummin Bird design incorporates features often associated sophisti 60 Model Aviation Some contestants SAM No1s one-design contest last March Denver models Comet Sparky rubber-power design late ThirtIes Its ageless model design still providing fun stick-and-tissue buffs Photo David Ramsey After noticeable absence K-Mart camera timer back shelves its inexpensive source dependable fuel FournewproductswhichmayinterestFreelighter5 Readaboutthem inHarryscolumn shutoff mechanism Some mods required cated FAI Power models such geodetic wing construction semi-cowled engine VIT gadget ry Variable Incidence Tail use carbon fibers etc So somewhat surprising replies Gil Morris discussion came Hummin Birds author/builder promptly confessed since featured arti cle submitted publication already gone sheeting bottom ward portion wing well top complete D section increased rigidity Charlies opinion wing flex very real problem fast-climbing modelsparticu larly hot engines VIT systems result ing less decalage under power enable such fantastic model speeds also stated additional headaches can caused stab flex can result structure just plain too flimsy symptoms slight looping tendency toward end engine run model speed exceeds strength stab noted once experiencing late-looping problem Satellite first sur mised model too much stab angle Consequently kept lowering stab inci dencebut successuntil stab ac tually crushed itself under resultant deflec tion load ribs broken several places though model did crash Charlie convinced himself twist toward washout side simply crushed structure further indicated experienced phenomenon until began tempting build ultra-light stabilizers us ing A-mil polyester film coverings aid controlling CG Center Gravity model As aptly states just another example subtle problems can plague us pretend Free Flight designers Yeah Charlie aint got fun doing Big birds single contest doesnt necessarily set standards follow interesting statistic caught atten tion Southwest Regionals has con sidered big bash winter years continues draw Free Flights big shooters Buckeye AZ January Event tallies number con testants enter various events always interest Contest Directors modelers alike statistics often used assess future event structures participa tion-planning respectively Anyhow would believe Class D Gas outdrew other AMA Gas events including usually domi nant AA event freak trend Are biggies really comeback Are some us finally getting around designing building last big job Honker 60 before moving shuffleboard beachcombing Florida sands Over years gas-powered behemoths Goliaths have never taken back seat spectator event hobby Remember Comet Sailplanes Gools Satellite 1300s now big bangers RC Scale hold spotlight popularity category events Any advocate Old-Timer RC Assist surely has least two 10-footers competition stable So would unreasonable expect similar swing competition Free Flight increased popu larity big birds may place ask question time anyone interested four-cycle Free Flight Whats new annual Toledo OH manu facturers trade show accurately referred Toledo RC Expo always great fun Midwesterners parts event generally regarded initial spring break out area modelers regardless whether dividual hobby interests aligned model cars boats planes affair attended thousands seem use occasion catch up Whats New department accompanying photo flags just few years new commercial offerings thought may interest followers column bottle No-Heat contains solvent permits Super MonoKote bonded over Super MonoKote application heatthus eliminating ugly sags wrinkles bubbles quite easy use also fuel proof provides neat method apply trim pieces such AMA license numbers like onto transparent opaque Super MonoKote primary covering simply clean area trimmed soft cloth apply thin coating NoHeat place trim piece over No-Heat adhesive side down squeeze out excess solvent small squeegee such hard rubber balsa strip youve got Another advantage solvent takes about 15 seconds begin set up per mits enough time slide trim piece around proper location doesnt work Micafilm cant have everything going tab $5 per four-oz bottle Toledo am sure normal retail price local hobby shop cannot supply product can write L&M Industries PO Box 12501 Fort Wayne IN 46863-2501 particulars obtain solution Its good stuff other depicted container houses white paste-like material called Model Magic Filler manufacturer claims product non-shrinking lightweight fast-setting easysanding odorless water-resistant non-toxic superior strength adhesion Also great filling nicks dents gaps forming fillets balsa foam fiberglass No doesnt walk water watersoluble compatible model paints coverings have already tried pylon fillet its everything say iseasy apply sand looks great producers Model Magic Products Inc PO Box 19784 St Paul MN 55119 paid $450 eightounce tub Toledo Again know standard retail price spent considerable time front Aerospace Composite Products booth fondling various carbon-fiber products plus fiberglass Kevlar tapes mats carry numerous sizes carbon-fiber solid rods tubes well laminated sheets tapes ribbons two packets lower left photo some 25-ounce 4-ounce-persquare-yard fabric-like material called Aero-K Mat consists non-woven Kevlar fiber bonded together random fiber matrix offers better drape characteristics clothlike materials compatible epoxy polyester resin systems 4-ounce material intended fuselage nose sections wing center rein forcements Some rubber-powered advo cates buying lighter 25-ounce mater ial intentions evaluating its use strengthening fuselage areas Mulvihills Wakefields information other space-age construction products write Continued page 149 August 1986 61 David Pfiefer checks out Nostalgia Gas Eureka model Wright Field complete Roger Lane Concentrates winding P listing eligible vintage designs 3Orubber-powered model Popularityof N FF8-sponsored event now availableevent continues grow Midwest Senior-age flier Rlchie Scott copped JrjSr honors P-30 1985 CIA Fall Annual CIA Central Indiana Aeromodelers Al Featuring fast service qualified people latest equipment including SPECTRUM ANAL YZER AM FM SIGNAL GENERATOR Call Sam Leonard Tony Stiliman custom work competition needs stock complete hobby line specializing competition accessories discounted prices 904 478-6745 RADIO SOUTH-m AUTHORIZED SERVICE CENTER FOR kruft II Line EhIEI Futabe 43 West Nine Mile Rd Pensacola FL 32514 mm- K * Sales ServiceDealer Inquiries Welcome * board position shown also soldered retaining wire over jack 2 Solder IC socket Mark Pin 1 both surfaces 3 Install resistor tan talum capacitor capacitor must oriented shown 4 Install bare wire links dress neatly 5 Make remaining connections insulated wire 6 Attach servo lead appropriate pads Put IC its socket Carefully check wiring against pictorial schematic before plugging circuit receiver well plug earphone plug SARPI servo socket receiver Switch system transmitter steady loud buzz should heard transmitter off should no sound Note some FM receivers normal hear occasional single clicks transmitter off receiver picks up random noise Parts list Radio Shack catalog num bers Multipurpose bus board 276-150 @ 79 ea Type 4049 4050 CMOS hex buffer IC 276-2449 @ $119 ea 16-pin DIP socket 276-1998 @ 89/2 Enclosed -injack socket 274-297 @ $11 9/2 100ohm W resistor 271-012 @ 19/3 10 mfd tantalum capacitor 272-1436 @ 69 ea Mono earphone -in plug 33-175 @ $149 ea Servo lead suit RC system Hookup wire small-gauge solid eg 26 30 bare insulated FF Duration/Murphy Continued page 61 Aerospace Composite Products 28 Crosswood Road Farmington CT 06032 final item subject photo picked up Toledo sent Ken Curtis Curtis Model Products 10105 Hamil ton Hills Lane Indianapolis IN 46250 Kens new hand-launched glider kit calls Thermalier spans 18 has wing area 56 sq Ken admits design influenced once-popular Eaglet Kens variation has D-T system fuselage nose design improves rollout transition top climb kit contains excellent materials includ ing balsa hardwood parts clay D-T line get penny backit has dual use nose weight D-T function hobby shop cannot supply needs send $595 kit include extra dollar postage packing above ad dress Ken will gladly send Therma 11cr Youll get money s worthplus penny back Newsletter Month Since have expounded finalization designeligibility list Nostalgia Gas events issue thought would opportune proper honor club newsletter its editor originally initiated events Satellite newsletter San Valeers its capable editor Ralph Prey San Valeers current president Terry Thor kildsen vice-president Ed Hopkins Mike Myers handles club monies Ralph gets paperwork secretary newsletter editor Satellite newsletter certainly no newcomer competition Free Flighters its mimeographed sheets have relayed news views contest notices contest results four corners Free Flight years Seldom issue does contain least building engine tip Free Flight controversy brew ing somewhere can depend Satellite defend Southern California fliers posi tion fine publication great tradi tion Should wish begin receiving Satellite send $5 covers 12 issues Ralph Prey 4859 W 97th Street Inglewood CA 90301 Camera timers inexpensive reliable K-Mart camera timers back ever gone least absent area about three years Anyway Continued page 152 1- ROLLED PLANS Ui1/2A FULL KIT $2795 y A-B FULL KIT3995 B-C-D PRO KIT4495 BC D FULL KIT5995 Tee Dee Back Plate Mount 500 Pacifiersea 50 Surgical Tubing1 Oft 300 Shipping $250 ea order Shipping paid orders over $6000 PRE-PAY OR COD/CA RES ADD 6-1/2% TAX 0O 6 August 1986 149 II'I PROPASSEMBLY #109-ELECTRIC ONLY PROP HUB ASSEMBLY #1GM 15 21 size engines electric motor equivalent Weight 85 grams $1500 PROP BLADES FOR HUB #lOUA Available 7x 25 7x 3 7x 35 Bs 4 $400 per blade $800 per pair PROP HUB ASSEMBLY # 110 049 051 engines electric motor equivalent Weight 5 grams $1500 PROP BLADES FOR HUB # 110 Available Ix 3 $400 per blade $800 per pair PROPHUBASSEMBLY# 111 For2540 engines electric motor equivalent 20 grams $2000 PROP BLADES FOR HUB # 111 lable 9 x 4 lOx 4 lix 4 $500 per blade $1000 per pair Send SSAE catalog sheet complete line FF Duration/Murphy Continued page 149 have suddenly appeared everywhere again being listed $695but sale $591 mechanism seems somewhat smaller version last saw shelves however spring very strong can rigged up used fuel shutoff very satisfactorily wont attempt explain pet apparatus design harness mechanisms fuel shut-off use seems nearly Gas flier has own patented device conversion no means unique have something little different surefire functional would certainly interested relaying design readers Well its about time disappear two months well So see ya downwind Harry Murphy 3824 Oakwood Blvd Ander son IN 46011 FF Indoor/Tenny Continued page 62 form twisted like prop blade will fit flat prop block Thus out line formed already properly curved twisted done outline should fitted block during construction moistened relieve stress twisting glued ribs spar after drying Note outline moistened after being tached ribs spar wood will ex pand stress whole structure Prop covering Prop blades should covered prop block possible Otherwise water saliva used adhesive cover trim prop return prop block until moisture has evaporated Also prop covered prop block film must slack enough blade lie film distortion blade twist - can changed during covering film will too tight let blade resume normal twist stress Another important tactic sure film attached both outline ribs accomplishes three things First mois ture used adhesive entire blade ex pands evenly minimizing stress Second individual panels film small enough stiffen blade Finally damage film single section wont spread other sections Dont worry about wrinkles appear blades dry out simple operation will remove Use very fine artist brush moistened water work out wrinkles Stroke brush along wrinkle will pull up level film around After wrinkles treated let whole assembly dry again Finally store prop holder keeps blades touching anything Prop InnovatIons number different plastic props available photos shows convert efficient pusher operation Peanut Scale models free wheeling ratchet front trimmed flat make bearing surface shaft pro jected through hub bent over push against blade Al Backstrom flew setup Bedford Boys Ranch Bedford TX Another photo shows same basic prop hub Photo 1 case small plastic blades removed much larger balsa blades substituted model Profile Scale model flown Randy Randolph again Bedford Boys Ranch Novice Pennyplane has rule limiting prop diameter handle power three-gram model needs Jim Clem trying very wide blades 2Y-in wide blade six inches long shaft tip Ill report performance soon can get some numbers Next time prop blocks prop-covering techniques Bud Tenny Box 545 Richardson TX 75080 Dawnwalker/Oldenkafl1P Continued page 67 maintain rigidity aft motor peg form mount DT tube platforms etc True up main joint slide boom over aft motor hard collar glue works together white glue CyA Eyeball everything good symmetry Sand whole fuselage including down right thrust Add platforms front edge strapping tape reinforcement CyA glue wicks well stufi make up pylons pins wing plat form etc Sand wing mounting unit contour glue yet Make drill nose plug may want spray IN STOCK FOR IMMEDIATE SHIPMENT NEW AH 6237 Cu in$19995 NewOoedre40CDII3-bOeniflgI$12995 Reg 0040 40 912266 Bnighelle flywheel 014295 Reg Ooede 40 Power Aeoenrbly Only$7195 OUAORA REPAIR81000 plo pertol Jin Me. ERCOUPEPLANS $2300 SEMI-KIT 99995 Jim Moeger TOMAHAWK PLANS $2290 SEMI-KIT $9996 Jin Menor6BALLTRPLANS $2395 SEMI-KIT$9995 Ji Meceer ACROBATPLANS 91996 SEMI-KIT $6996 MALONEY 100912996ZONOAH 939 $12995 SACHS-DOLMAR ai CDI 9637 CDI 96 FLOATS 49 114 onclc $2190 co,rplnte kit $4796 19WWIWHEELS 92696 PlKSpningStenton92490 PLANS SUPER STEARMAN 114 IGodfreyl$2999 113 TAYLORCRAFT 0112 CUB Nelite92995 Volkoplco 113 Chicken Charliol$2395 Servo H366 42 no $1296 Wonld 516 9 Ing wodele 93696 PROPS loll aicee Anger Top Flit Oynethnool 20% OFF US Onedre FUEL TANKS160066992300 9796 FIBERGLASS ARROW SHAFTS 911$ 023 long6/61196 24 Hoe Se.4nc 5250 penEege Seed Meek Cheek en Meey 0-do JIM MESSERS QUALITY MODEL PRODUCTS Valey View Dr Box 43 eany NY 14706 PRODUCTS Complete Line Exhaust Systems o Tuned Pipes0 Muffled Tuned Pipes o Headers * Venturi Mufflers o Expansion Mufflers 0 Helicopter Ball Mufflers ialized Exhaust Systems UnsurpaSJ WANNA RACE N RTH AST AREA BEGINNER RACES 0 nFORM-1 oFAI E Instructions Club Programs Information Contact NORTH EAST PYLON RACING ORGANIZATION m 119 DEAN AVE FRANKLIN MASS 02038 Tel 617 528-4043 203 673-2000 152 Model Aviation MODEL PRODUCTS CORP BOX 314 Pompton Plains NJ 07444 available write direct add S200 $500 outside US