NO OCR TEXT bracket design used hold Proctor Control System System avoids distant locations servos big aircraft possible long-lead electronic problems allows cable hookups appropriate better such scale Trim done Carl Goldberg DJs strip tapes another thermal Dallaire Sportster transmitter sitting ground others being flown Red directors chair going up coming back refuel refreshment hand lasted long dared count batteries almost three hours including down time yarn swapping During time young lad another hill about thousand yards north seemed spending time cranking flying us could make out what since flights lasted about ten feet javelin toss would carry up model out first five feet momentum gravity took care next five before thud soft dirt packed up started home clean up-the-plane time almost reaching turn out spot curiosity got best swinging wheel headed across fields top hill should now called pmpeller ding knoll Yes curly haired tan blue-jeaned lad about 12 still cranking gave toss pulled up went about 15 feet got caught crosswind downward leg accounted additional five feet walked past car stopped asked could please see planes chatted tactfully asked what plane fuselage long wing tail section almost nill powerplant wired rubber banded Cox 049 part plastic engine mount unidentifiable ready-built helping hold place what could classed empirical design assembled junk piles neighborhood friends asked could experiment plane him joyfully agreed bribe new prop 049 pulled out flight box replace bent kicked 020 prop using also got fresh rubber-band box pulled out few chunks balsa carry shimming switched props slid rubber-band-mount wing cen ter gravity about 30% took out negative incidence added about three degrees test glided achieved some thing flying little better brick somehow managed put some down thrust mounted engine So bravely said Start up go over edge slope toss straight out slightly down flew about 50 feet wide downward circle elated magnificent flight couldnt bear tell him hadnt helped him much just taken advantage hill allowed little time gravity take over made few adjustments like hotter fuel incidence rudder trim We-flew achieved two large circles flight before blessed knoll another ding invited him home parents figuring would never see him again drove off realizing really much fun him did flying buddies did call came over looked shop family has nicknamed hole gave him Midwest Sniffer plane will fly great builder abuse dad agreed help lad called told flew great am sure relative 58 Model Aviation Carl Goldberg Handi-Tote features cant really appreciated until use itso says Bob seems favor door-bell batteries booster ye editor second year pair safety fuel kept away electrical components flight box Thats important Cables used strutsand controls though doubt rudder/stab bracing istrueto-lifebut mighty effective Llttlewhite square bottom rudder Williams Bros inverted U forsafe tall steeringwe can confirm ideal Note cable exit fuselage side go outto fly should fly no matterwhat After Bob lostoneworking wing strut 9-footerclimb outno doubt well hear aboutflylng big bird future monthsLeroy Brooks cranks turns Sterling Peanut John Broda holds John works Ryan modeler helped build new Spiritof St Louis displayed inthe new San DiegoAerospace Museum Right its Peck Polymers prop spinning wee T-Craft takes off big-daddys wing tissue covered Sig low-shrink dope Wonder missed anybody statement end we-flew Flying two Taylorcrafts shown pictures partial exemplification wefly potentials being offered products aeromodeling industry ninefoot span Taylorcraft scratch-built Miniature Aircraft Corp Staten Island NY plans copyright 1942 designers name given questionably relate plane San Francisco area would interesting find out Peanut scale version new Sterling Models Inc dual kits nine-foot Taylorcraft built reasons Sentimentally old timer designed fly either Brown Jr Forster 99 free flight Escapement meant others pio neered weight problems give some assurance success atthe flight line semi-scale version some ap peared Piper design exhibited good thermal potentials especially GrantXish ClarkY airfoil wellengineered lightweight structure Probably use spruce 1/16th inch ply attracted unknown designers expertise opportunity apply new products old see what could happen Preconception substitution followed pretty much start proved Nemesis flight line Someplace along line fell love Diana Cream supplied Sig Supercoat butyrate dopes reminis cent times no clears applied take away warm hue Super Coverite textured covering further accentuate matte finish real plane Super Coverite presented no problems instruc tions followed includes application Balsarite overlap edges did leave distinct line material ended ply quite notice able handled applying Dap Vinyl Paste along edge sanding coated Sig Sanding Sealer resanded before application color coat Walking favorite hobby shop asking three quarts Diana Cream no matter pretty can shock especially abandoned color com bination required Tennessee Red trim color Sig supply Either run Diana Cream loser between three hobby shops ended up 32- 16- 8-ounce cans plus eight 4-oz jars cans still smoke stains store fire about six years ago owner tried almost year get rid fire sale discouraged color taste other modelers dumped container make sure least match batch before starting spray Paasche Airbrush model AUTF airbrush and/or spray guns will just well has favorites years has minimal amount parts especially gaskets around mixing nozzle makes easy clean use two-part finishes dope family problem Three coats Sig Dope over Super Coverite sufficient put scale model winners circle What did wrong lam anxious telL power nose preplanned Veco 61s Perry Carbure tor power source inverted behind 8-inch-wide nose cowling car rying estimated 9-pound modeL K&B 61 Perry Regulated Pump tested usual Perry Aeromotive 100% correct its recommendation used inverted vertical horizontal mounting fine Manufacturers guidelines call 11/8 propeller 12/6 larger heavier models smaller size would have al lowed 1 inches tip beyond cowl larger just 2 bad just didnt look scale knew wouldnt need rpm fly scale-like As rule thumb try never overwork engine using balanced propel lers fuels like K&B 100 equal lubrication sport flying some following propeller substitutions recommended propeller 11/8 12/6 case nylon next choice up would 14/4 downward would 10/10 high-speed flying wood pro August 1979 59 vided clubs 11/8 12/7 13/6 14/5 15/4 16/3 upward side downward side 10/10 would still probably best needed weight mass Testing used 12/5 nylon com promise tacked out fine didnt over heat muffler 15/4 wood prop available compare did have some hand-picked light-weight 1 6/46 Rev Up props weighed out lighter 12/5 nylon Two tanks full fuel about 40 minutes run through under same conditions engine heat equal less rpm held between 7500 8000 using rich setting Leaning out little rendered desired idle further leaning increased ipm appreciably wanted final moment decision would come engine mounted inverted enclosed cowl ing Royal Products Corp Photoelectric Cell Tachometer proved good instrument establishing rpm higher ranges accurate testing Tatone Exhaust Manifold No EM-S 4580 dual neoprene exhaust tubing used during tests assimilate actual instal lation conditions Wood vs nylon propellers running monolog between modelers kinds qualifications rumors may may true about both certainly lack quantitative data support hard fast rules own experience plastics knowledge has formed up some guidelines use addition above will expanded upon future copy immediate appli cations manufacturers recommendations should followed until know sure safe modifications can made flying habits Under conditions never allow anyone stand direct line propeller further away better responsibility make sure area clear before start engine fly unbalanced nicked propellers sure may run ground get up shatter split dive we-fly can cause needless damage and/or injury may necessary boil nylon props least 30 minutes relieve stress build-ups may have occurred during injection molding process plus prop held up light see air bubbles have passed inspectors eyes found reputable hobby shop will immediately replace prop send back manufacturer replacement can wake up inspectors dethermalizers being used free flight controlled R/C free flight thermal hunting nylon props become very cost effective Some nylon props have used hundreds flights majority landings would have probably required replacement wood props Flying RC scale sport etc using 40 larger engines use wood propellers cause other cosmetic easier balance True propeller balance also cost effective price engines replacement parts what today can get out-of-balance pro peller can play havoc engine matter minutes using high-nitro content fuel minimal lubrication new engine completely broken using unbalanced club oil soaked break-in new expensive engine will run will never achieve good engine performance could have peak performance capabilities have probably destroyed designed manufacturer matter seconds first day out field engine did perform properly opinions short did fly nine-footer disappointment prevailed lost pilots out day never flown free flight seen Peanut fly course treading hallowed ground free flight RC site never banned officially fun used wing nine-footer runway looked like howdah big elephants back Leroy did winding John holding trying man bad acting camera set scene first two attempts trial runs plane Sterling Peanut Taylorcraft made perfect ROWs rise off wing camera failed Regrouping Leroy turned crank Sterling Winder what guessed maximum Taylorcraft could take off 60 Model Aviation flight line big Taylorcraft good company Stiks D7 pattern type T-Craft Bobs scratch-built Miniature Aircraft plansanyone remember climbed flew down field mutual achievement around As lowered camera watch flight nifty see until banking left toward friends car acclaimed loud clear Dont worry Im insured AMA just moments before impact No damage car plane flew day much humor fun happy could go home plane intact packing morning wife offered good luck knowing would need given strict orders bring plane home piece wanted decoration tried explain others really better show gave exhausting list reasons no wanted won right Its neat liffle plane flew After arriving home giving plane tore nine-footer air leak fuel line Kraft fuel filter become partially blocked ran through two tanks full K&B 100 re checked rpm idle engine heat go put battery charge ready tomorrow next attempt Keeping light weight easy Ending up little over 9 pounds within power range K&B Veco 61 use Proctor hard ware probably saved close pound nose-moment compared tailmoment measured center gravity recommended little over three-toone ounce tail section would require three ounces ballast nose Also weight added radio controls etc wanted close center gravity practical would aid flying especially takeoffs landings Light wing loading such can tricky crosswind takeoffs tail draggem Concentrating weight center Continued page 122 man few precision products Lou Proctor points out some newflttlngs a7-in span Curtiss Jenny Below allot fIttingsonly some available Proctor used monster T-Craft Scale prop hub used during test flights Two Sizes % ID 10 PRICE 2 lengths Comes ig two STUT FAIRINGS 3 Lengths fairings iiir size 225 cockpit coammn~ -r y COMES IN 3 FT LENGTHS SMALL 118 OR LARGE 114 THIS HINGE COMPLETELY SEALS CONTROL SURFACE AIR LOSS STRONG FLEXIBLE HINGE THAT IS ABLE TO MOVE ooney gapless hinges --* drive shaft broken classical failure mode tubular member under excessive torsional stress After brief discussion decided pull off propeller make hand-launched Gossa mer Glider Two assistants ran along side handles Bryan flew back hangar Paul assessed situation resolved replace drive shaft aluminum did temporarily present version has GFRP drive shaft Much additional work has done complete set spare parts has built enough build entire second aircraft Bryan has continued physical training designed peak first break weather over English channel Plans suitable hangar near Dover have abandoned since team can set up now five minutes planned move England April Im looking forward big attempt think theyll make Adventures/Harrah continued page 61 gravity seems help projected wing stab area about 2000 sq loading about 10 ounces per square foot flying surface little high weak thermals will have hunt out some boomers long flights short engine runs lighter covering little sanding in-sight weight reduc tion would bring down between 7- 8-pound figure Great thermaling al A1 Packaged 2 Ft Size AND PRICE 5195Ipkg GAP LESS HINGE SLOTTER Makes Slots 4 Sizes Balsa %-Y-Ae /4 PRICE S195 FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 Phone 503 357 2732 though doesnt take away neat sport model 9 pounds no tricks mounting Proctor hardware spring mounted set cables maintain tension 2 4 pounds usually required type slow flying plane faster planes require overcome air pressure control surfaces about 6 pounds used one-spring method others use two two-spring method allows control surface deflection both directions case inadvertently moved reducing potential damage system Proctor fittings give finishing touch scale models very functional needed Naturally already guessed half Sig lumberyard went project availability straight-grained spruce large sheets 1/16 ply made building lot easier Jugs Titebond glue some Devcon Slow Cure epoxy Wilhold R/C56 glue wind shields used put together Williams Bros inverted U spear used guide tail wheel Du-Bro wheels Fox wheel fittings rounded out ground support Well Sunday morning perfect first flight engine started right up test glides range check engine running perfect Checked high low throttle nose held vertical could offer no excuse stay ground moment truth hand Ner vous Taxi fine increased rpm went left over-corrected rudder same time parted company ground surprised about 2/3 throttle airborne about 25 feet happened original design pop-off struts came back earth moment realized heading light standard No J4 sticking out Leroys head winding up picture missed itby inches Regaining some control myself plane put slow right turn left wing panel creasing its dihedral cut throttle off managed just clear trees could keep nose up headed slow right spin gave full left rudder full up elevator hoping pop wheels wheels did hit just before nose damage minor plane major pride Repairs now process snap-off struts being re placed working screw-mounted struts go back next flight time will spent ground taxiing did fly Taylorcraft things con sidered lot achieved learned K&B 61 experiments prop tests Proctor control systems surpassed ex pectations two failings both design other pilot error lucky have little repair learned found K&B engine Taylorcraft can wonderful sport-flying oombination Thanks Sterling Peanut version great old bird we-fly can magnificent horror over have go find Diana Cream Invader/Smith continued page 69 4 Slide tubes fuselage epoxy heavily after roughing od corner file glue areas 5 File end tubes flush side fuselage secure ballast strip plastic tape Radie Installatien 1 Installation shown Kraft radio other radio used essential same structural configuration used side rails cross rails Positions may altered suit radio 2 Shape side rails fit contour fuselage Use Hobbypoxy #2 gluing area Epoxy side rails place Fabricate lay out drill cross rails braces epoxy place 3 Loose-install servos align anchor front end cables control linkages Remove servos 4 Sand center seams fuselage smooth wet-or-dry sand entire fuselage re move orange peel effect gel coat Finishpaint fuselage sand canopy bottom needed obtain good fit cut out rear canopy clear control mechan ism Install hook canopy hooks servo rails Finish paint canopy 5 One Airtronics skid other suitable skid installed Install radio hook up linkages Assemble finished tail surfaces 122 Model Aviation Winning Ideas FOURMOST specialize WINNING Ideas AVIATION JEWELRY Largest Aircraft Jewelry Selection World CUSTOM JEWELRY SPECIALISTS Interested dealers full line airplane jewelry write PO Box 56CM JAddison Dallas Texas 75001 -Ph 214 596 3505 CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 049L051 Specialists brochure send 1 Sc stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hills CA 92653 714 830-5162
Edition: Model Aviation - 1979/08
Page Numbers: 56, 57, 58, 59, 60, 61, 122
NO OCR TEXT bracket design used hold Proctor Control System System avoids distant locations servos big aircraft possible long-lead electronic problems allows cable hookups appropriate better such scale Trim done Carl Goldberg DJs strip tapes another thermal Dallaire Sportster transmitter sitting ground others being flown Red directors chair going up coming back refuel refreshment hand lasted long dared count batteries almost three hours including down time yarn swapping During time young lad another hill about thousand yards north seemed spending time cranking flying us could make out what since flights lasted about ten feet javelin toss would carry up model out first five feet momentum gravity took care next five before thud soft dirt packed up started home clean up-the-plane time almost reaching turn out spot curiosity got best swinging wheel headed across fields top hill should now called pmpeller ding knoll Yes curly haired tan blue-jeaned lad about 12 still cranking gave toss pulled up went about 15 feet got caught crosswind downward leg accounted additional five feet walked past car stopped asked could please see planes chatted tactfully asked what plane fuselage long wing tail section almost nill powerplant wired rubber banded Cox 049 part plastic engine mount unidentifiable ready-built helping hold place what could classed empirical design assembled junk piles neighborhood friends asked could experiment plane him joyfully agreed bribe new prop 049 pulled out flight box replace bent kicked 020 prop using also got fresh rubber-band box pulled out few chunks balsa carry shimming switched props slid rubber-band-mount wing cen ter gravity about 30% took out negative incidence added about three degrees test glided achieved some thing flying little better brick somehow managed put some down thrust mounted engine So bravely said Start up go over edge slope toss straight out slightly down flew about 50 feet wide downward circle elated magnificent flight couldnt bear tell him hadnt helped him much just taken advantage hill allowed little time gravity take over made few adjustments like hotter fuel incidence rudder trim We-flew achieved two large circles flight before blessed knoll another ding invited him home parents figuring would never see him again drove off realizing really much fun him did flying buddies did call came over looked shop family has nicknamed hole gave him Midwest Sniffer plane will fly great builder abuse dad agreed help lad called told flew great am sure relative 58 Model Aviation Carl Goldberg Handi-Tote features cant really appreciated until use itso says Bob seems favor door-bell batteries booster ye editor second year pair safety fuel kept away electrical components flight box Thats important Cables used strutsand controls though doubt rudder/stab bracing istrueto-lifebut mighty effective Llttlewhite square bottom rudder Williams Bros inverted U forsafe tall steeringwe can confirm ideal Note cable exit fuselage side go outto fly should fly no matterwhat After Bob lostoneworking wing strut 9-footerclimb outno doubt well hear aboutflylng big bird future monthsLeroy Brooks cranks turns Sterling Peanut John Broda holds John works Ryan modeler helped build new Spiritof St Louis displayed inthe new San DiegoAerospace Museum Right its Peck Polymers prop spinning wee T-Craft takes off big-daddys wing tissue covered Sig low-shrink dope Wonder missed anybody statement end we-flew Flying two Taylorcrafts shown pictures partial exemplification wefly potentials being offered products aeromodeling industry ninefoot span Taylorcraft scratch-built Miniature Aircraft Corp Staten Island NY plans copyright 1942 designers name given questionably relate plane San Francisco area would interesting find out Peanut scale version new Sterling Models Inc dual kits nine-foot Taylorcraft built reasons Sentimentally old timer designed fly either Brown Jr Forster 99 free flight Escapement meant others pio neered weight problems give some assurance success atthe flight line semi-scale version some ap peared Piper design exhibited good thermal potentials especially GrantXish ClarkY airfoil wellengineered lightweight structure Probably use spruce 1/16th inch ply attracted unknown designers expertise opportunity apply new products old see what could happen Preconception substitution followed pretty much start proved Nemesis flight line Someplace along line fell love Diana Cream supplied Sig Supercoat butyrate dopes reminis cent times no clears applied take away warm hue Super Coverite textured covering further accentuate matte finish real plane Super Coverite presented no problems instruc tions followed includes application Balsarite overlap edges did leave distinct line material ended ply quite notice able handled applying Dap Vinyl Paste along edge sanding coated Sig Sanding Sealer resanded before application color coat Walking favorite hobby shop asking three quarts Diana Cream no matter pretty can shock especially abandoned color com bination required Tennessee Red trim color Sig supply Either run Diana Cream loser between three hobby shops ended up 32- 16- 8-ounce cans plus eight 4-oz jars cans still smoke stains store fire about six years ago owner tried almost year get rid fire sale discouraged color taste other modelers dumped container make sure least match batch before starting spray Paasche Airbrush model AUTF airbrush and/or spray guns will just well has favorites years has minimal amount parts especially gaskets around mixing nozzle makes easy clean use two-part finishes dope family problem Three coats Sig Dope over Super Coverite sufficient put scale model winners circle What did wrong lam anxious telL power nose preplanned Veco 61s Perry Carbure tor power source inverted behind 8-inch-wide nose cowling car rying estimated 9-pound modeL K&B 61 Perry Regulated Pump tested usual Perry Aeromotive 100% correct its recommendation used inverted vertical horizontal mounting fine Manufacturers guidelines call 11/8 propeller 12/6 larger heavier models smaller size would have al lowed 1 inches tip beyond cowl larger just 2 bad just didnt look scale knew wouldnt need rpm fly scale-like As rule thumb try never overwork engine using balanced propel lers fuels like K&B 100 equal lubrication sport flying some following propeller substitutions recommended propeller 11/8 12/6 case nylon next choice up would 14/4 downward would 10/10 high-speed flying wood pro August 1979 59 vided clubs 11/8 12/7 13/6 14/5 15/4 16/3 upward side downward side 10/10 would still probably best needed weight mass Testing used 12/5 nylon com promise tacked out fine didnt over heat muffler 15/4 wood prop available compare did have some hand-picked light-weight 1 6/46 Rev Up props weighed out lighter 12/5 nylon Two tanks full fuel about 40 minutes run through under same conditions engine heat equal less rpm held between 7500 8000 using rich setting Leaning out little rendered desired idle further leaning increased ipm appreciably wanted final moment decision would come engine mounted inverted enclosed cowl ing Royal Products Corp Photoelectric Cell Tachometer proved good instrument establishing rpm higher ranges accurate testing Tatone Exhaust Manifold No EM-S 4580 dual neoprene exhaust tubing used during tests assimilate actual instal lation conditions Wood vs nylon propellers running monolog between modelers kinds qualifications rumors may may true about both certainly lack quantitative data support hard fast rules own experience plastics knowledge has formed up some guidelines use addition above will expanded upon future copy immediate appli cations manufacturers recommendations should followed until know sure safe modifications can made flying habits Under conditions never allow anyone stand direct line propeller further away better responsibility make sure area clear before start engine fly unbalanced nicked propellers sure may run ground get up shatter split dive we-fly can cause needless damage and/or injury may necessary boil nylon props least 30 minutes relieve stress build-ups may have occurred during injection molding process plus prop held up light see air bubbles have passed inspectors eyes found reputable hobby shop will immediately replace prop send back manufacturer replacement can wake up inspectors dethermalizers being used free flight controlled R/C free flight thermal hunting nylon props become very cost effective Some nylon props have used hundreds flights majority landings would have probably required replacement wood props Flying RC scale sport etc using 40 larger engines use wood propellers cause other cosmetic easier balance True propeller balance also cost effective price engines replacement parts what today can get out-of-balance pro peller can play havoc engine matter minutes using high-nitro content fuel minimal lubrication new engine completely broken using unbalanced club oil soaked break-in new expensive engine will run will never achieve good engine performance could have peak performance capabilities have probably destroyed designed manufacturer matter seconds first day out field engine did perform properly opinions short did fly nine-footer disappointment prevailed lost pilots out day never flown free flight seen Peanut fly course treading hallowed ground free flight RC site never banned officially fun used wing nine-footer runway looked like howdah big elephants back Leroy did winding John holding trying man bad acting camera set scene first two attempts trial runs plane Sterling Peanut Taylorcraft made perfect ROWs rise off wing camera failed Regrouping Leroy turned crank Sterling Winder what guessed maximum Taylorcraft could take off 60 Model Aviation flight line big Taylorcraft good company Stiks D7 pattern type T-Craft Bobs scratch-built Miniature Aircraft plansanyone remember climbed flew down field mutual achievement around As lowered camera watch flight nifty see until banking left toward friends car acclaimed loud clear Dont worry Im insured AMA just moments before impact No damage car plane flew day much humor fun happy could go home plane intact packing morning wife offered good luck knowing would need given strict orders bring plane home piece wanted decoration tried explain others really better show gave exhausting list reasons no wanted won right Its neat liffle plane flew After arriving home giving plane tore nine-footer air leak fuel line Kraft fuel filter become partially blocked ran through two tanks full K&B 100 re checked rpm idle engine heat go put battery charge ready tomorrow next attempt Keeping light weight easy Ending up little over 9 pounds within power range K&B Veco 61 use Proctor hard ware probably saved close pound nose-moment compared tailmoment measured center gravity recommended little over three-toone ounce tail section would require three ounces ballast nose Also weight added radio controls etc wanted close center gravity practical would aid flying especially takeoffs landings Light wing loading such can tricky crosswind takeoffs tail draggem Concentrating weight center Continued page 122 man few precision products Lou Proctor points out some newflttlngs a7-in span Curtiss Jenny Below allot fIttingsonly some available Proctor used monster T-Craft Scale prop hub used during test flights Two Sizes % ID 10 PRICE 2 lengths Comes ig two STUT FAIRINGS 3 Lengths fairings iiir size 225 cockpit coammn~ -r y COMES IN 3 FT LENGTHS SMALL 118 OR LARGE 114 THIS HINGE COMPLETELY SEALS CONTROL SURFACE AIR LOSS STRONG FLEXIBLE HINGE THAT IS ABLE TO MOVE ooney gapless hinges --* drive shaft broken classical failure mode tubular member under excessive torsional stress After brief discussion decided pull off propeller make hand-launched Gossa mer Glider Two assistants ran along side handles Bryan flew back hangar Paul assessed situation resolved replace drive shaft aluminum did temporarily present version has GFRP drive shaft Much additional work has done complete set spare parts has built enough build entire second aircraft Bryan has continued physical training designed peak first break weather over English channel Plans suitable hangar near Dover have abandoned since team can set up now five minutes planned move England April Im looking forward big attempt think theyll make Adventures/Harrah continued page 61 gravity seems help projected wing stab area about 2000 sq loading about 10 ounces per square foot flying surface little high weak thermals will have hunt out some boomers long flights short engine runs lighter covering little sanding in-sight weight reduc tion would bring down between 7- 8-pound figure Great thermaling al A1 Packaged 2 Ft Size AND PRICE 5195Ipkg GAP LESS HINGE SLOTTER Makes Slots 4 Sizes Balsa %-Y-Ae /4 PRICE S195 FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 Phone 503 357 2732 though doesnt take away neat sport model 9 pounds no tricks mounting Proctor hardware spring mounted set cables maintain tension 2 4 pounds usually required type slow flying plane faster planes require overcome air pressure control surfaces about 6 pounds used one-spring method others use two two-spring method allows control surface deflection both directions case inadvertently moved reducing potential damage system Proctor fittings give finishing touch scale models very functional needed Naturally already guessed half Sig lumberyard went project availability straight-grained spruce large sheets 1/16 ply made building lot easier Jugs Titebond glue some Devcon Slow Cure epoxy Wilhold R/C56 glue wind shields used put together Williams Bros inverted U spear used guide tail wheel Du-Bro wheels Fox wheel fittings rounded out ground support Well Sunday morning perfect first flight engine started right up test glides range check engine running perfect Checked high low throttle nose held vertical could offer no excuse stay ground moment truth hand Ner vous Taxi fine increased rpm went left over-corrected rudder same time parted company ground surprised about 2/3 throttle airborne about 25 feet happened original design pop-off struts came back earth moment realized heading light standard No J4 sticking out Leroys head winding up picture missed itby inches Regaining some control myself plane put slow right turn left wing panel creasing its dihedral cut throttle off managed just clear trees could keep nose up headed slow right spin gave full left rudder full up elevator hoping pop wheels wheels did hit just before nose damage minor plane major pride Repairs now process snap-off struts being re placed working screw-mounted struts go back next flight time will spent ground taxiing did fly Taylorcraft things con sidered lot achieved learned K&B 61 experiments prop tests Proctor control systems surpassed ex pectations two failings both design other pilot error lucky have little repair learned found K&B engine Taylorcraft can wonderful sport-flying oombination Thanks Sterling Peanut version great old bird we-fly can magnificent horror over have go find Diana Cream Invader/Smith continued page 69 4 Slide tubes fuselage epoxy heavily after roughing od corner file glue areas 5 File end tubes flush side fuselage secure ballast strip plastic tape Radie Installatien 1 Installation shown Kraft radio other radio used essential same structural configuration used side rails cross rails Positions may altered suit radio 2 Shape side rails fit contour fuselage Use Hobbypoxy #2 gluing area Epoxy side rails place Fabricate lay out drill cross rails braces epoxy place 3 Loose-install servos align anchor front end cables control linkages Remove servos 4 Sand center seams fuselage smooth wet-or-dry sand entire fuselage re move orange peel effect gel coat Finishpaint fuselage sand canopy bottom needed obtain good fit cut out rear canopy clear control mechan ism Install hook canopy hooks servo rails Finish paint canopy 5 One Airtronics skid other suitable skid installed Install radio hook up linkages Assemble finished tail surfaces 122 Model Aviation Winning Ideas FOURMOST specialize WINNING Ideas AVIATION JEWELRY Largest Aircraft Jewelry Selection World CUSTOM JEWELRY SPECIALISTS Interested dealers full line airplane jewelry write PO Box 56CM JAddison Dallas Texas 75001 -Ph 214 596 3505 CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 049L051 Specialists brochure send 1 Sc stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hills CA 92653 714 830-5162
Edition: Model Aviation - 1979/08
Page Numbers: 56, 57, 58, 59, 60, 61, 122
NO OCR TEXT bracket design used hold Proctor Control System System avoids distant locations servos big aircraft possible long-lead electronic problems allows cable hookups appropriate better such scale Trim done Carl Goldberg DJs strip tapes another thermal Dallaire Sportster transmitter sitting ground others being flown Red directors chair going up coming back refuel refreshment hand lasted long dared count batteries almost three hours including down time yarn swapping During time young lad another hill about thousand yards north seemed spending time cranking flying us could make out what since flights lasted about ten feet javelin toss would carry up model out first five feet momentum gravity took care next five before thud soft dirt packed up started home clean up-the-plane time almost reaching turn out spot curiosity got best swinging wheel headed across fields top hill should now called pmpeller ding knoll Yes curly haired tan blue-jeaned lad about 12 still cranking gave toss pulled up went about 15 feet got caught crosswind downward leg accounted additional five feet walked past car stopped asked could please see planes chatted tactfully asked what plane fuselage long wing tail section almost nill powerplant wired rubber banded Cox 049 part plastic engine mount unidentifiable ready-built helping hold place what could classed empirical design assembled junk piles neighborhood friends asked could experiment plane him joyfully agreed bribe new prop 049 pulled out flight box replace bent kicked 020 prop using also got fresh rubber-band box pulled out few chunks balsa carry shimming switched props slid rubber-band-mount wing cen ter gravity about 30% took out negative incidence added about three degrees test glided achieved some thing flying little better brick somehow managed put some down thrust mounted engine So bravely said Start up go over edge slope toss straight out slightly down flew about 50 feet wide downward circle elated magnificent flight couldnt bear tell him hadnt helped him much just taken advantage hill allowed little time gravity take over made few adjustments like hotter fuel incidence rudder trim We-flew achieved two large circles flight before blessed knoll another ding invited him home parents figuring would never see him again drove off realizing really much fun him did flying buddies did call came over looked shop family has nicknamed hole gave him Midwest Sniffer plane will fly great builder abuse dad agreed help lad called told flew great am sure relative 58 Model Aviation Carl Goldberg Handi-Tote features cant really appreciated until use itso says Bob seems favor door-bell batteries booster ye editor second year pair safety fuel kept away electrical components flight box Thats important Cables used strutsand controls though doubt rudder/stab bracing istrueto-lifebut mighty effective Llttlewhite square bottom rudder Williams Bros inverted U forsafe tall steeringwe can confirm ideal Note cable exit fuselage side go outto fly should fly no matterwhat After Bob lostoneworking wing strut 9-footerclimb outno doubt well hear aboutflylng big bird future monthsLeroy Brooks cranks turns Sterling Peanut John Broda holds John works Ryan modeler helped build new Spiritof St Louis displayed inthe new San DiegoAerospace Museum Right its Peck Polymers prop spinning wee T-Craft takes off big-daddys wing tissue covered Sig low-shrink dope Wonder missed anybody statement end we-flew Flying two Taylorcrafts shown pictures partial exemplification wefly potentials being offered products aeromodeling industry ninefoot span Taylorcraft scratch-built Miniature Aircraft Corp Staten Island NY plans copyright 1942 designers name given questionably relate plane San Francisco area would interesting find out Peanut scale version new Sterling Models Inc dual kits nine-foot Taylorcraft built reasons Sentimentally old timer designed fly either Brown Jr Forster 99 free flight Escapement meant others pio neered weight problems give some assurance success atthe flight line semi-scale version some ap peared Piper design exhibited good thermal potentials especially GrantXish ClarkY airfoil wellengineered lightweight structure Probably use spruce 1/16th inch ply attracted unknown designers expertise opportunity apply new products old see what could happen Preconception substitution followed pretty much start proved Nemesis flight line Someplace along line fell love Diana Cream supplied Sig Supercoat butyrate dopes reminis cent times no clears applied take away warm hue Super Coverite textured covering further accentuate matte finish real plane Super Coverite presented no problems instruc tions followed includes application Balsarite overlap edges did leave distinct line material ended ply quite notice able handled applying Dap Vinyl Paste along edge sanding coated Sig Sanding Sealer resanded before application color coat Walking favorite hobby shop asking three quarts Diana Cream no matter pretty can shock especially abandoned color com bination required Tennessee Red trim color Sig supply Either run Diana Cream loser between three hobby shops ended up 32- 16- 8-ounce cans plus eight 4-oz jars cans still smoke stains store fire about six years ago owner tried almost year get rid fire sale discouraged color taste other modelers dumped container make sure least match batch before starting spray Paasche Airbrush model AUTF airbrush and/or spray guns will just well has favorites years has minimal amount parts especially gaskets around mixing nozzle makes easy clean use two-part finishes dope family problem Three coats Sig Dope over Super Coverite sufficient put scale model winners circle What did wrong lam anxious telL power nose preplanned Veco 61s Perry Carbure tor power source inverted behind 8-inch-wide nose cowling car rying estimated 9-pound modeL K&B 61 Perry Regulated Pump tested usual Perry Aeromotive 100% correct its recommendation used inverted vertical horizontal mounting fine Manufacturers guidelines call 11/8 propeller 12/6 larger heavier models smaller size would have al lowed 1 inches tip beyond cowl larger just 2 bad just didnt look scale knew wouldnt need rpm fly scale-like As rule thumb try never overwork engine using balanced propel lers fuels like K&B 100 equal lubrication sport flying some following propeller substitutions recommended propeller 11/8 12/6 case nylon next choice up would 14/4 downward would 10/10 high-speed flying wood pro August 1979 59 vided clubs 11/8 12/7 13/6 14/5 15/4 16/3 upward side downward side 10/10 would still probably best needed weight mass Testing used 12/5 nylon com promise tacked out fine didnt over heat muffler 15/4 wood prop available compare did have some hand-picked light-weight 1 6/46 Rev Up props weighed out lighter 12/5 nylon Two tanks full fuel about 40 minutes run through under same conditions engine heat equal less rpm held between 7500 8000 using rich setting Leaning out little rendered desired idle further leaning increased ipm appreciably wanted final moment decision would come engine mounted inverted enclosed cowl ing Royal Products Corp Photoelectric Cell Tachometer proved good instrument establishing rpm higher ranges accurate testing Tatone Exhaust Manifold No EM-S 4580 dual neoprene exhaust tubing used during tests assimilate actual instal lation conditions Wood vs nylon propellers running monolog between modelers kinds qualifications rumors may may true about both certainly lack quantitative data support hard fast rules own experience plastics knowledge has formed up some guidelines use addition above will expanded upon future copy immediate appli cations manufacturers recommendations should followed until know sure safe modifications can made flying habits Under conditions never allow anyone stand direct line propeller further away better responsibility make sure area clear before start engine fly unbalanced nicked propellers sure may run ground get up shatter split dive we-fly can cause needless damage and/or injury may necessary boil nylon props least 30 minutes relieve stress build-ups may have occurred during injection molding process plus prop held up light see air bubbles have passed inspectors eyes found reputable hobby shop will immediately replace prop send back manufacturer replacement can wake up inspectors dethermalizers being used free flight controlled R/C free flight thermal hunting nylon props become very cost effective Some nylon props have used hundreds flights majority landings would have probably required replacement wood props Flying RC scale sport etc using 40 larger engines use wood propellers cause other cosmetic easier balance True propeller balance also cost effective price engines replacement parts what today can get out-of-balance pro peller can play havoc engine matter minutes using high-nitro content fuel minimal lubrication new engine completely broken using unbalanced club oil soaked break-in new expensive engine will run will never achieve good engine performance could have peak performance capabilities have probably destroyed designed manufacturer matter seconds first day out field engine did perform properly opinions short did fly nine-footer disappointment prevailed lost pilots out day never flown free flight seen Peanut fly course treading hallowed ground free flight RC site never banned officially fun used wing nine-footer runway looked like howdah big elephants back Leroy did winding John holding trying man bad acting camera set scene first two attempts trial runs plane Sterling Peanut Taylorcraft made perfect ROWs rise off wing camera failed Regrouping Leroy turned crank Sterling Winder what guessed maximum Taylorcraft could take off 60 Model Aviation flight line big Taylorcraft good company Stiks D7 pattern type T-Craft Bobs scratch-built Miniature Aircraft plansanyone remember climbed flew down field mutual achievement around As lowered camera watch flight nifty see until banking left toward friends car acclaimed loud clear Dont worry Im insured AMA just moments before impact No damage car plane flew day much humor fun happy could go home plane intact packing morning wife offered good luck knowing would need given strict orders bring plane home piece wanted decoration tried explain others really better show gave exhausting list reasons no wanted won right Its neat liffle plane flew After arriving home giving plane tore nine-footer air leak fuel line Kraft fuel filter become partially blocked ran through two tanks full K&B 100 re checked rpm idle engine heat go put battery charge ready tomorrow next attempt Keeping light weight easy Ending up little over 9 pounds within power range K&B Veco 61 use Proctor hard ware probably saved close pound nose-moment compared tailmoment measured center gravity recommended little over three-toone ounce tail section would require three ounces ballast nose Also weight added radio controls etc wanted close center gravity practical would aid flying especially takeoffs landings Light wing loading such can tricky crosswind takeoffs tail draggem Concentrating weight center Continued page 122 man few precision products Lou Proctor points out some newflttlngs a7-in span Curtiss Jenny Below allot fIttingsonly some available Proctor used monster T-Craft Scale prop hub used during test flights Two Sizes % ID 10 PRICE 2 lengths Comes ig two STUT FAIRINGS 3 Lengths fairings iiir size 225 cockpit coammn~ -r y COMES IN 3 FT LENGTHS SMALL 118 OR LARGE 114 THIS HINGE COMPLETELY SEALS CONTROL SURFACE AIR LOSS STRONG FLEXIBLE HINGE THAT IS ABLE TO MOVE ooney gapless hinges --* drive shaft broken classical failure mode tubular member under excessive torsional stress After brief discussion decided pull off propeller make hand-launched Gossa mer Glider Two assistants ran along side handles Bryan flew back hangar Paul assessed situation resolved replace drive shaft aluminum did temporarily present version has GFRP drive shaft Much additional work has done complete set spare parts has built enough build entire second aircraft Bryan has continued physical training designed peak first break weather over English channel Plans suitable hangar near Dover have abandoned since team can set up now five minutes planned move England April Im looking forward big attempt think theyll make Adventures/Harrah continued page 61 gravity seems help projected wing stab area about 2000 sq loading about 10 ounces per square foot flying surface little high weak thermals will have hunt out some boomers long flights short engine runs lighter covering little sanding in-sight weight reduc tion would bring down between 7- 8-pound figure Great thermaling al A1 Packaged 2 Ft Size AND PRICE 5195Ipkg GAP LESS HINGE SLOTTER Makes Slots 4 Sizes Balsa %-Y-Ae /4 PRICE S195 FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 Phone 503 357 2732 though doesnt take away neat sport model 9 pounds no tricks mounting Proctor hardware spring mounted set cables maintain tension 2 4 pounds usually required type slow flying plane faster planes require overcome air pressure control surfaces about 6 pounds used one-spring method others use two two-spring method allows control surface deflection both directions case inadvertently moved reducing potential damage system Proctor fittings give finishing touch scale models very functional needed Naturally already guessed half Sig lumberyard went project availability straight-grained spruce large sheets 1/16 ply made building lot easier Jugs Titebond glue some Devcon Slow Cure epoxy Wilhold R/C56 glue wind shields used put together Williams Bros inverted U spear used guide tail wheel Du-Bro wheels Fox wheel fittings rounded out ground support Well Sunday morning perfect first flight engine started right up test glides range check engine running perfect Checked high low throttle nose held vertical could offer no excuse stay ground moment truth hand Ner vous Taxi fine increased rpm went left over-corrected rudder same time parted company ground surprised about 2/3 throttle airborne about 25 feet happened original design pop-off struts came back earth moment realized heading light standard No J4 sticking out Leroys head winding up picture missed itby inches Regaining some control myself plane put slow right turn left wing panel creasing its dihedral cut throttle off managed just clear trees could keep nose up headed slow right spin gave full left rudder full up elevator hoping pop wheels wheels did hit just before nose damage minor plane major pride Repairs now process snap-off struts being re placed working screw-mounted struts go back next flight time will spent ground taxiing did fly Taylorcraft things con sidered lot achieved learned K&B 61 experiments prop tests Proctor control systems surpassed ex pectations two failings both design other pilot error lucky have little repair learned found K&B engine Taylorcraft can wonderful sport-flying oombination Thanks Sterling Peanut version great old bird we-fly can magnificent horror over have go find Diana Cream Invader/Smith continued page 69 4 Slide tubes fuselage epoxy heavily after roughing od corner file glue areas 5 File end tubes flush side fuselage secure ballast strip plastic tape Radie Installatien 1 Installation shown Kraft radio other radio used essential same structural configuration used side rails cross rails Positions may altered suit radio 2 Shape side rails fit contour fuselage Use Hobbypoxy #2 gluing area Epoxy side rails place Fabricate lay out drill cross rails braces epoxy place 3 Loose-install servos align anchor front end cables control linkages Remove servos 4 Sand center seams fuselage smooth wet-or-dry sand entire fuselage re move orange peel effect gel coat Finishpaint fuselage sand canopy bottom needed obtain good fit cut out rear canopy clear control mechan ism Install hook canopy hooks servo rails Finish paint canopy 5 One Airtronics skid other suitable skid installed Install radio hook up linkages Assemble finished tail surfaces 122 Model Aviation Winning Ideas FOURMOST specialize WINNING Ideas AVIATION JEWELRY Largest Aircraft Jewelry Selection World CUSTOM JEWELRY SPECIALISTS Interested dealers full line airplane jewelry write PO Box 56CM JAddison Dallas Texas 75001 -Ph 214 596 3505 CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 049L051 Specialists brochure send 1 Sc stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hills CA 92653 714 830-5162
Edition: Model Aviation - 1979/08
Page Numbers: 56, 57, 58, 59, 60, 61, 122
NO OCR TEXT bracket design used hold Proctor Control System System avoids distant locations servos big aircraft possible long-lead electronic problems allows cable hookups appropriate better such scale Trim done Carl Goldberg DJs strip tapes another thermal Dallaire Sportster transmitter sitting ground others being flown Red directors chair going up coming back refuel refreshment hand lasted long dared count batteries almost three hours including down time yarn swapping During time young lad another hill about thousand yards north seemed spending time cranking flying us could make out what since flights lasted about ten feet javelin toss would carry up model out first five feet momentum gravity took care next five before thud soft dirt packed up started home clean up-the-plane time almost reaching turn out spot curiosity got best swinging wheel headed across fields top hill should now called pmpeller ding knoll Yes curly haired tan blue-jeaned lad about 12 still cranking gave toss pulled up went about 15 feet got caught crosswind downward leg accounted additional five feet walked past car stopped asked could please see planes chatted tactfully asked what plane fuselage long wing tail section almost nill powerplant wired rubber banded Cox 049 part plastic engine mount unidentifiable ready-built helping hold place what could classed empirical design assembled junk piles neighborhood friends asked could experiment plane him joyfully agreed bribe new prop 049 pulled out flight box replace bent kicked 020 prop using also got fresh rubber-band box pulled out few chunks balsa carry shimming switched props slid rubber-band-mount wing cen ter gravity about 30% took out negative incidence added about three degrees test glided achieved some thing flying little better brick somehow managed put some down thrust mounted engine So bravely said Start up go over edge slope toss straight out slightly down flew about 50 feet wide downward circle elated magnificent flight couldnt bear tell him hadnt helped him much just taken advantage hill allowed little time gravity take over made few adjustments like hotter fuel incidence rudder trim We-flew achieved two large circles flight before blessed knoll another ding invited him home parents figuring would never see him again drove off realizing really much fun him did flying buddies did call came over looked shop family has nicknamed hole gave him Midwest Sniffer plane will fly great builder abuse dad agreed help lad called told flew great am sure relative 58 Model Aviation Carl Goldberg Handi-Tote features cant really appreciated until use itso says Bob seems favor door-bell batteries booster ye editor second year pair safety fuel kept away electrical components flight box Thats important Cables used strutsand controls though doubt rudder/stab bracing istrueto-lifebut mighty effective Llttlewhite square bottom rudder Williams Bros inverted U forsafe tall steeringwe can confirm ideal Note cable exit fuselage side go outto fly should fly no matterwhat After Bob lostoneworking wing strut 9-footerclimb outno doubt well hear aboutflylng big bird future monthsLeroy Brooks cranks turns Sterling Peanut John Broda holds John works Ryan modeler helped build new Spiritof St Louis displayed inthe new San DiegoAerospace Museum Right its Peck Polymers prop spinning wee T-Craft takes off big-daddys wing tissue covered Sig low-shrink dope Wonder missed anybody statement end we-flew Flying two Taylorcrafts shown pictures partial exemplification wefly potentials being offered products aeromodeling industry ninefoot span Taylorcraft scratch-built Miniature Aircraft Corp Staten Island NY plans copyright 1942 designers name given questionably relate plane San Francisco area would interesting find out Peanut scale version new Sterling Models Inc dual kits nine-foot Taylorcraft built reasons Sentimentally old timer designed fly either Brown Jr Forster 99 free flight Escapement meant others pio neered weight problems give some assurance success atthe flight line semi-scale version some ap peared Piper design exhibited good thermal potentials especially GrantXish ClarkY airfoil wellengineered lightweight structure Probably use spruce 1/16th inch ply attracted unknown designers expertise opportunity apply new products old see what could happen Preconception substitution followed pretty much start proved Nemesis flight line Someplace along line fell love Diana Cream supplied Sig Supercoat butyrate dopes reminis cent times no clears applied take away warm hue Super Coverite textured covering further accentuate matte finish real plane Super Coverite presented no problems instruc tions followed includes application Balsarite overlap edges did leave distinct line material ended ply quite notice able handled applying Dap Vinyl Paste along edge sanding coated Sig Sanding Sealer resanded before application color coat Walking favorite hobby shop asking three quarts Diana Cream no matter pretty can shock especially abandoned color com bination required Tennessee Red trim color Sig supply Either run Diana Cream loser between three hobby shops ended up 32- 16- 8-ounce cans plus eight 4-oz jars cans still smoke stains store fire about six years ago owner tried almost year get rid fire sale discouraged color taste other modelers dumped container make sure least match batch before starting spray Paasche Airbrush model AUTF airbrush and/or spray guns will just well has favorites years has minimal amount parts especially gaskets around mixing nozzle makes easy clean use two-part finishes dope family problem Three coats Sig Dope over Super Coverite sufficient put scale model winners circle What did wrong lam anxious telL power nose preplanned Veco 61s Perry Carbure tor power source inverted behind 8-inch-wide nose cowling car rying estimated 9-pound modeL K&B 61 Perry Regulated Pump tested usual Perry Aeromotive 100% correct its recommendation used inverted vertical horizontal mounting fine Manufacturers guidelines call 11/8 propeller 12/6 larger heavier models smaller size would have al lowed 1 inches tip beyond cowl larger just 2 bad just didnt look scale knew wouldnt need rpm fly scale-like As rule thumb try never overwork engine using balanced propel lers fuels like K&B 100 equal lubrication sport flying some following propeller substitutions recommended propeller 11/8 12/6 case nylon next choice up would 14/4 downward would 10/10 high-speed flying wood pro August 1979 59 vided clubs 11/8 12/7 13/6 14/5 15/4 16/3 upward side downward side 10/10 would still probably best needed weight mass Testing used 12/5 nylon com promise tacked out fine didnt over heat muffler 15/4 wood prop available compare did have some hand-picked light-weight 1 6/46 Rev Up props weighed out lighter 12/5 nylon Two tanks full fuel about 40 minutes run through under same conditions engine heat equal less rpm held between 7500 8000 using rich setting Leaning out little rendered desired idle further leaning increased ipm appreciably wanted final moment decision would come engine mounted inverted enclosed cowl ing Royal Products Corp Photoelectric Cell Tachometer proved good instrument establishing rpm higher ranges accurate testing Tatone Exhaust Manifold No EM-S 4580 dual neoprene exhaust tubing used during tests assimilate actual instal lation conditions Wood vs nylon propellers running monolog between modelers kinds qualifications rumors may may true about both certainly lack quantitative data support hard fast rules own experience plastics knowledge has formed up some guidelines use addition above will expanded upon future copy immediate appli cations manufacturers recommendations should followed until know sure safe modifications can made flying habits Under conditions never allow anyone stand direct line propeller further away better responsibility make sure area clear before start engine fly unbalanced nicked propellers sure may run ground get up shatter split dive we-fly can cause needless damage and/or injury may necessary boil nylon props least 30 minutes relieve stress build-ups may have occurred during injection molding process plus prop held up light see air bubbles have passed inspectors eyes found reputable hobby shop will immediately replace prop send back manufacturer replacement can wake up inspectors dethermalizers being used free flight controlled R/C free flight thermal hunting nylon props become very cost effective Some nylon props have used hundreds flights majority landings would have probably required replacement wood props Flying RC scale sport etc using 40 larger engines use wood propellers cause other cosmetic easier balance True propeller balance also cost effective price engines replacement parts what today can get out-of-balance pro peller can play havoc engine matter minutes using high-nitro content fuel minimal lubrication new engine completely broken using unbalanced club oil soaked break-in new expensive engine will run will never achieve good engine performance could have peak performance capabilities have probably destroyed designed manufacturer matter seconds first day out field engine did perform properly opinions short did fly nine-footer disappointment prevailed lost pilots out day never flown free flight seen Peanut fly course treading hallowed ground free flight RC site never banned officially fun used wing nine-footer runway looked like howdah big elephants back Leroy did winding John holding trying man bad acting camera set scene first two attempts trial runs plane Sterling Peanut Taylorcraft made perfect ROWs rise off wing camera failed Regrouping Leroy turned crank Sterling Winder what guessed maximum Taylorcraft could take off 60 Model Aviation flight line big Taylorcraft good company Stiks D7 pattern type T-Craft Bobs scratch-built Miniature Aircraft plansanyone remember climbed flew down field mutual achievement around As lowered camera watch flight nifty see until banking left toward friends car acclaimed loud clear Dont worry Im insured AMA just moments before impact No damage car plane flew day much humor fun happy could go home plane intact packing morning wife offered good luck knowing would need given strict orders bring plane home piece wanted decoration tried explain others really better show gave exhausting list reasons no wanted won right Its neat liffle plane flew After arriving home giving plane tore nine-footer air leak fuel line Kraft fuel filter become partially blocked ran through two tanks full K&B 100 re checked rpm idle engine heat go put battery charge ready tomorrow next attempt Keeping light weight easy Ending up little over 9 pounds within power range K&B Veco 61 use Proctor hard ware probably saved close pound nose-moment compared tailmoment measured center gravity recommended little over three-toone ounce tail section would require three ounces ballast nose Also weight added radio controls etc wanted close center gravity practical would aid flying especially takeoffs landings Light wing loading such can tricky crosswind takeoffs tail draggem Concentrating weight center Continued page 122 man few precision products Lou Proctor points out some newflttlngs a7-in span Curtiss Jenny Below allot fIttingsonly some available Proctor used monster T-Craft Scale prop hub used during test flights Two Sizes % ID 10 PRICE 2 lengths Comes ig two STUT FAIRINGS 3 Lengths fairings iiir size 225 cockpit coammn~ -r y COMES IN 3 FT LENGTHS SMALL 118 OR LARGE 114 THIS HINGE COMPLETELY SEALS CONTROL SURFACE AIR LOSS STRONG FLEXIBLE HINGE THAT IS ABLE TO MOVE ooney gapless hinges --* drive shaft broken classical failure mode tubular member under excessive torsional stress After brief discussion decided pull off propeller make hand-launched Gossa mer Glider Two assistants ran along side handles Bryan flew back hangar Paul assessed situation resolved replace drive shaft aluminum did temporarily present version has GFRP drive shaft Much additional work has done complete set spare parts has built enough build entire second aircraft Bryan has continued physical training designed peak first break weather over English channel Plans suitable hangar near Dover have abandoned since team can set up now five minutes planned move England April Im looking forward big attempt think theyll make Adventures/Harrah continued page 61 gravity seems help projected wing stab area about 2000 sq loading about 10 ounces per square foot flying surface little high weak thermals will have hunt out some boomers long flights short engine runs lighter covering little sanding in-sight weight reduc tion would bring down between 7- 8-pound figure Great thermaling al A1 Packaged 2 Ft Size AND PRICE 5195Ipkg GAP LESS HINGE SLOTTER Makes Slots 4 Sizes Balsa %-Y-Ae /4 PRICE S195 FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 Phone 503 357 2732 though doesnt take away neat sport model 9 pounds no tricks mounting Proctor hardware spring mounted set cables maintain tension 2 4 pounds usually required type slow flying plane faster planes require overcome air pressure control surfaces about 6 pounds used one-spring method others use two two-spring method allows control surface deflection both directions case inadvertently moved reducing potential damage system Proctor fittings give finishing touch scale models very functional needed Naturally already guessed half Sig lumberyard went project availability straight-grained spruce large sheets 1/16 ply made building lot easier Jugs Titebond glue some Devcon Slow Cure epoxy Wilhold R/C56 glue wind shields used put together Williams Bros inverted U spear used guide tail wheel Du-Bro wheels Fox wheel fittings rounded out ground support Well Sunday morning perfect first flight engine started right up test glides range check engine running perfect Checked high low throttle nose held vertical could offer no excuse stay ground moment truth hand Ner vous Taxi fine increased rpm went left over-corrected rudder same time parted company ground surprised about 2/3 throttle airborne about 25 feet happened original design pop-off struts came back earth moment realized heading light standard No J4 sticking out Leroys head winding up picture missed itby inches Regaining some control myself plane put slow right turn left wing panel creasing its dihedral cut throttle off managed just clear trees could keep nose up headed slow right spin gave full left rudder full up elevator hoping pop wheels wheels did hit just before nose damage minor plane major pride Repairs now process snap-off struts being re placed working screw-mounted struts go back next flight time will spent ground taxiing did fly Taylorcraft things con sidered lot achieved learned K&B 61 experiments prop tests Proctor control systems surpassed ex pectations two failings both design other pilot error lucky have little repair learned found K&B engine Taylorcraft can wonderful sport-flying oombination Thanks Sterling Peanut version great old bird we-fly can magnificent horror over have go find Diana Cream Invader/Smith continued page 69 4 Slide tubes fuselage epoxy heavily after roughing od corner file glue areas 5 File end tubes flush side fuselage secure ballast strip plastic tape Radie Installatien 1 Installation shown Kraft radio other radio used essential same structural configuration used side rails cross rails Positions may altered suit radio 2 Shape side rails fit contour fuselage Use Hobbypoxy #2 gluing area Epoxy side rails place Fabricate lay out drill cross rails braces epoxy place 3 Loose-install servos align anchor front end cables control linkages Remove servos 4 Sand center seams fuselage smooth wet-or-dry sand entire fuselage re move orange peel effect gel coat Finishpaint fuselage sand canopy bottom needed obtain good fit cut out rear canopy clear control mechan ism Install hook canopy hooks servo rails Finish paint canopy 5 One Airtronics skid other suitable skid installed Install radio hook up linkages Assemble finished tail surfaces 122 Model Aviation Winning Ideas FOURMOST specialize WINNING Ideas AVIATION JEWELRY Largest Aircraft Jewelry Selection World CUSTOM JEWELRY SPECIALISTS Interested dealers full line airplane jewelry write PO Box 56CM JAddison Dallas Texas 75001 -Ph 214 596 3505 CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 049L051 Specialists brochure send 1 Sc stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hills CA 92653 714 830-5162
Edition: Model Aviation - 1979/08
Page Numbers: 56, 57, 58, 59, 60, 61, 122
NO OCR TEXT bracket design used hold Proctor Control System System avoids distant locations servos big aircraft possible long-lead electronic problems allows cable hookups appropriate better such scale Trim done Carl Goldberg DJs strip tapes another thermal Dallaire Sportster transmitter sitting ground others being flown Red directors chair going up coming back refuel refreshment hand lasted long dared count batteries almost three hours including down time yarn swapping During time young lad another hill about thousand yards north seemed spending time cranking flying us could make out what since flights lasted about ten feet javelin toss would carry up model out first five feet momentum gravity took care next five before thud soft dirt packed up started home clean up-the-plane time almost reaching turn out spot curiosity got best swinging wheel headed across fields top hill should now called pmpeller ding knoll Yes curly haired tan blue-jeaned lad about 12 still cranking gave toss pulled up went about 15 feet got caught crosswind downward leg accounted additional five feet walked past car stopped asked could please see planes chatted tactfully asked what plane fuselage long wing tail section almost nill powerplant wired rubber banded Cox 049 part plastic engine mount unidentifiable ready-built helping hold place what could classed empirical design assembled junk piles neighborhood friends asked could experiment plane him joyfully agreed bribe new prop 049 pulled out flight box replace bent kicked 020 prop using also got fresh rubber-band box pulled out few chunks balsa carry shimming switched props slid rubber-band-mount wing cen ter gravity about 30% took out negative incidence added about three degrees test glided achieved some thing flying little better brick somehow managed put some down thrust mounted engine So bravely said Start up go over edge slope toss straight out slightly down flew about 50 feet wide downward circle elated magnificent flight couldnt bear tell him hadnt helped him much just taken advantage hill allowed little time gravity take over made few adjustments like hotter fuel incidence rudder trim We-flew achieved two large circles flight before blessed knoll another ding invited him home parents figuring would never see him again drove off realizing really much fun him did flying buddies did call came over looked shop family has nicknamed hole gave him Midwest Sniffer plane will fly great builder abuse dad agreed help lad called told flew great am sure relative 58 Model Aviation Carl Goldberg Handi-Tote features cant really appreciated until use itso says Bob seems favor door-bell batteries booster ye editor second year pair safety fuel kept away electrical components flight box Thats important Cables used strutsand controls though doubt rudder/stab bracing istrueto-lifebut mighty effective Llttlewhite square bottom rudder Williams Bros inverted U forsafe tall steeringwe can confirm ideal Note cable exit fuselage side go outto fly should fly no matterwhat After Bob lostoneworking wing strut 9-footerclimb outno doubt well hear aboutflylng big bird future monthsLeroy Brooks cranks turns Sterling Peanut John Broda holds John works Ryan modeler helped build new Spiritof St Louis displayed inthe new San DiegoAerospace Museum Right its Peck Polymers prop spinning wee T-Craft takes off big-daddys wing tissue covered Sig low-shrink dope Wonder missed anybody statement end we-flew Flying two Taylorcrafts shown pictures partial exemplification wefly potentials being offered products aeromodeling industry ninefoot span Taylorcraft scratch-built Miniature Aircraft Corp Staten Island NY plans copyright 1942 designers name given questionably relate plane San Francisco area would interesting find out Peanut scale version new Sterling Models Inc dual kits nine-foot Taylorcraft built reasons Sentimentally old timer designed fly either Brown Jr Forster 99 free flight Escapement meant others pio neered weight problems give some assurance success atthe flight line semi-scale version some ap peared Piper design exhibited good thermal potentials especially GrantXish ClarkY airfoil wellengineered lightweight structure Probably use spruce 1/16th inch ply attracted unknown designers expertise opportunity apply new products old see what could happen Preconception substitution followed pretty much start proved Nemesis flight line Someplace along line fell love Diana Cream supplied Sig Supercoat butyrate dopes reminis cent times no clears applied take away warm hue Super Coverite textured covering further accentuate matte finish real plane Super Coverite presented no problems instruc tions followed includes application Balsarite overlap edges did leave distinct line material ended ply quite notice able handled applying Dap Vinyl Paste along edge sanding coated Sig Sanding Sealer resanded before application color coat Walking favorite hobby shop asking three quarts Diana Cream no matter pretty can shock especially abandoned color com bination required Tennessee Red trim color Sig supply Either run Diana Cream loser between three hobby shops ended up 32- 16- 8-ounce cans plus eight 4-oz jars cans still smoke stains store fire about six years ago owner tried almost year get rid fire sale discouraged color taste other modelers dumped container make sure least match batch before starting spray Paasche Airbrush model AUTF airbrush and/or spray guns will just well has favorites years has minimal amount parts especially gaskets around mixing nozzle makes easy clean use two-part finishes dope family problem Three coats Sig Dope over Super Coverite sufficient put scale model winners circle What did wrong lam anxious telL power nose preplanned Veco 61s Perry Carbure tor power source inverted behind 8-inch-wide nose cowling car rying estimated 9-pound modeL K&B 61 Perry Regulated Pump tested usual Perry Aeromotive 100% correct its recommendation used inverted vertical horizontal mounting fine Manufacturers guidelines call 11/8 propeller 12/6 larger heavier models smaller size would have al lowed 1 inches tip beyond cowl larger just 2 bad just didnt look scale knew wouldnt need rpm fly scale-like As rule thumb try never overwork engine using balanced propel lers fuels like K&B 100 equal lubrication sport flying some following propeller substitutions recommended propeller 11/8 12/6 case nylon next choice up would 14/4 downward would 10/10 high-speed flying wood pro August 1979 59 vided clubs 11/8 12/7 13/6 14/5 15/4 16/3 upward side downward side 10/10 would still probably best needed weight mass Testing used 12/5 nylon com promise tacked out fine didnt over heat muffler 15/4 wood prop available compare did have some hand-picked light-weight 1 6/46 Rev Up props weighed out lighter 12/5 nylon Two tanks full fuel about 40 minutes run through under same conditions engine heat equal less rpm held between 7500 8000 using rich setting Leaning out little rendered desired idle further leaning increased ipm appreciably wanted final moment decision would come engine mounted inverted enclosed cowl ing Royal Products Corp Photoelectric Cell Tachometer proved good instrument establishing rpm higher ranges accurate testing Tatone Exhaust Manifold No EM-S 4580 dual neoprene exhaust tubing used during tests assimilate actual instal lation conditions Wood vs nylon propellers running monolog between modelers kinds qualifications rumors may may true about both certainly lack quantitative data support hard fast rules own experience plastics knowledge has formed up some guidelines use addition above will expanded upon future copy immediate appli cations manufacturers recommendations should followed until know sure safe modifications can made flying habits Under conditions never allow anyone stand direct line propeller further away better responsibility make sure area clear before start engine fly unbalanced nicked propellers sure may run ground get up shatter split dive we-fly can cause needless damage and/or injury may necessary boil nylon props least 30 minutes relieve stress build-ups may have occurred during injection molding process plus prop held up light see air bubbles have passed inspectors eyes found reputable hobby shop will immediately replace prop send back manufacturer replacement can wake up inspectors dethermalizers being used free flight controlled R/C free flight thermal hunting nylon props become very cost effective Some nylon props have used hundreds flights majority landings would have probably required replacement wood props Flying RC scale sport etc using 40 larger engines use wood propellers cause other cosmetic easier balance True propeller balance also cost effective price engines replacement parts what today can get out-of-balance pro peller can play havoc engine matter minutes using high-nitro content fuel minimal lubrication new engine completely broken using unbalanced club oil soaked break-in new expensive engine will run will never achieve good engine performance could have peak performance capabilities have probably destroyed designed manufacturer matter seconds first day out field engine did perform properly opinions short did fly nine-footer disappointment prevailed lost pilots out day never flown free flight seen Peanut fly course treading hallowed ground free flight RC site never banned officially fun used wing nine-footer runway looked like howdah big elephants back Leroy did winding John holding trying man bad acting camera set scene first two attempts trial runs plane Sterling Peanut Taylorcraft made perfect ROWs rise off wing camera failed Regrouping Leroy turned crank Sterling Winder what guessed maximum Taylorcraft could take off 60 Model Aviation flight line big Taylorcraft good company Stiks D7 pattern type T-Craft Bobs scratch-built Miniature Aircraft plansanyone remember climbed flew down field mutual achievement around As lowered camera watch flight nifty see until banking left toward friends car acclaimed loud clear Dont worry Im insured AMA just moments before impact No damage car plane flew day much humor fun happy could go home plane intact packing morning wife offered good luck knowing would need given strict orders bring plane home piece wanted decoration tried explain others really better show gave exhausting list reasons no wanted won right Its neat liffle plane flew After arriving home giving plane tore nine-footer air leak fuel line Kraft fuel filter become partially blocked ran through two tanks full K&B 100 re checked rpm idle engine heat go put battery charge ready tomorrow next attempt Keeping light weight easy Ending up little over 9 pounds within power range K&B Veco 61 use Proctor hard ware probably saved close pound nose-moment compared tailmoment measured center gravity recommended little over three-toone ounce tail section would require three ounces ballast nose Also weight added radio controls etc wanted close center gravity practical would aid flying especially takeoffs landings Light wing loading such can tricky crosswind takeoffs tail draggem Concentrating weight center Continued page 122 man few precision products Lou Proctor points out some newflttlngs a7-in span Curtiss Jenny Below allot fIttingsonly some available Proctor used monster T-Craft Scale prop hub used during test flights Two Sizes % ID 10 PRICE 2 lengths Comes ig two STUT FAIRINGS 3 Lengths fairings iiir size 225 cockpit coammn~ -r y COMES IN 3 FT LENGTHS SMALL 118 OR LARGE 114 THIS HINGE COMPLETELY SEALS CONTROL SURFACE AIR LOSS STRONG FLEXIBLE HINGE THAT IS ABLE TO MOVE ooney gapless hinges --* drive shaft broken classical failure mode tubular member under excessive torsional stress After brief discussion decided pull off propeller make hand-launched Gossa mer Glider Two assistants ran along side handles Bryan flew back hangar Paul assessed situation resolved replace drive shaft aluminum did temporarily present version has GFRP drive shaft Much additional work has done complete set spare parts has built enough build entire second aircraft Bryan has continued physical training designed peak first break weather over English channel Plans suitable hangar near Dover have abandoned since team can set up now five minutes planned move England April Im looking forward big attempt think theyll make Adventures/Harrah continued page 61 gravity seems help projected wing stab area about 2000 sq loading about 10 ounces per square foot flying surface little high weak thermals will have hunt out some boomers long flights short engine runs lighter covering little sanding in-sight weight reduc tion would bring down between 7- 8-pound figure Great thermaling al A1 Packaged 2 Ft Size AND PRICE 5195Ipkg GAP LESS HINGE SLOTTER Makes Slots 4 Sizes Balsa %-Y-Ae /4 PRICE S195 FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 Phone 503 357 2732 though doesnt take away neat sport model 9 pounds no tricks mounting Proctor hardware spring mounted set cables maintain tension 2 4 pounds usually required type slow flying plane faster planes require overcome air pressure control surfaces about 6 pounds used one-spring method others use two two-spring method allows control surface deflection both directions case inadvertently moved reducing potential damage system Proctor fittings give finishing touch scale models very functional needed Naturally already guessed half Sig lumberyard went project availability straight-grained spruce large sheets 1/16 ply made building lot easier Jugs Titebond glue some Devcon Slow Cure epoxy Wilhold R/C56 glue wind shields used put together Williams Bros inverted U spear used guide tail wheel Du-Bro wheels Fox wheel fittings rounded out ground support Well Sunday morning perfect first flight engine started right up test glides range check engine running perfect Checked high low throttle nose held vertical could offer no excuse stay ground moment truth hand Ner vous Taxi fine increased rpm went left over-corrected rudder same time parted company ground surprised about 2/3 throttle airborne about 25 feet happened original design pop-off struts came back earth moment realized heading light standard No J4 sticking out Leroys head winding up picture missed itby inches Regaining some control myself plane put slow right turn left wing panel creasing its dihedral cut throttle off managed just clear trees could keep nose up headed slow right spin gave full left rudder full up elevator hoping pop wheels wheels did hit just before nose damage minor plane major pride Repairs now process snap-off struts being re placed working screw-mounted struts go back next flight time will spent ground taxiing did fly Taylorcraft things con sidered lot achieved learned K&B 61 experiments prop tests Proctor control systems surpassed ex pectations two failings both design other pilot error lucky have little repair learned found K&B engine Taylorcraft can wonderful sport-flying oombination Thanks Sterling Peanut version great old bird we-fly can magnificent horror over have go find Diana Cream Invader/Smith continued page 69 4 Slide tubes fuselage epoxy heavily after roughing od corner file glue areas 5 File end tubes flush side fuselage secure ballast strip plastic tape Radie Installatien 1 Installation shown Kraft radio other radio used essential same structural configuration used side rails cross rails Positions may altered suit radio 2 Shape side rails fit contour fuselage Use Hobbypoxy #2 gluing area Epoxy side rails place Fabricate lay out drill cross rails braces epoxy place 3 Loose-install servos align anchor front end cables control linkages Remove servos 4 Sand center seams fuselage smooth wet-or-dry sand entire fuselage re move orange peel effect gel coat Finishpaint fuselage sand canopy bottom needed obtain good fit cut out rear canopy clear control mechan ism Install hook canopy hooks servo rails Finish paint canopy 5 One Airtronics skid other suitable skid installed Install radio hook up linkages Assemble finished tail surfaces 122 Model Aviation Winning Ideas FOURMOST specialize WINNING Ideas AVIATION JEWELRY Largest Aircraft Jewelry Selection World CUSTOM JEWELRY SPECIALISTS Interested dealers full line airplane jewelry write PO Box 56CM JAddison Dallas Texas 75001 -Ph 214 596 3505 CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 049L051 Specialists brochure send 1 Sc stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hills CA 92653 714 830-5162
Edition: Model Aviation - 1979/08
Page Numbers: 56, 57, 58, 59, 60, 61, 122
NO OCR TEXT bracket design used hold Proctor Control System System avoids distant locations servos big aircraft possible long-lead electronic problems allows cable hookups appropriate better such scale Trim done Carl Goldberg DJs strip tapes another thermal Dallaire Sportster transmitter sitting ground others being flown Red directors chair going up coming back refuel refreshment hand lasted long dared count batteries almost three hours including down time yarn swapping During time young lad another hill about thousand yards north seemed spending time cranking flying us could make out what since flights lasted about ten feet javelin toss would carry up model out first five feet momentum gravity took care next five before thud soft dirt packed up started home clean up-the-plane time almost reaching turn out spot curiosity got best swinging wheel headed across fields top hill should now called pmpeller ding knoll Yes curly haired tan blue-jeaned lad about 12 still cranking gave toss pulled up went about 15 feet got caught crosswind downward leg accounted additional five feet walked past car stopped asked could please see planes chatted tactfully asked what plane fuselage long wing tail section almost nill powerplant wired rubber banded Cox 049 part plastic engine mount unidentifiable ready-built helping hold place what could classed empirical design assembled junk piles neighborhood friends asked could experiment plane him joyfully agreed bribe new prop 049 pulled out flight box replace bent kicked 020 prop using also got fresh rubber-band box pulled out few chunks balsa carry shimming switched props slid rubber-band-mount wing cen ter gravity about 30% took out negative incidence added about three degrees test glided achieved some thing flying little better brick somehow managed put some down thrust mounted engine So bravely said Start up go over edge slope toss straight out slightly down flew about 50 feet wide downward circle elated magnificent flight couldnt bear tell him hadnt helped him much just taken advantage hill allowed little time gravity take over made few adjustments like hotter fuel incidence rudder trim We-flew achieved two large circles flight before blessed knoll another ding invited him home parents figuring would never see him again drove off realizing really much fun him did flying buddies did call came over looked shop family has nicknamed hole gave him Midwest Sniffer plane will fly great builder abuse dad agreed help lad called told flew great am sure relative 58 Model Aviation Carl Goldberg Handi-Tote features cant really appreciated until use itso says Bob seems favor door-bell batteries booster ye editor second year pair safety fuel kept away electrical components flight box Thats important Cables used strutsand controls though doubt rudder/stab bracing istrueto-lifebut mighty effective Llttlewhite square bottom rudder Williams Bros inverted U forsafe tall steeringwe can confirm ideal Note cable exit fuselage side go outto fly should fly no matterwhat After Bob lostoneworking wing strut 9-footerclimb outno doubt well hear aboutflylng big bird future monthsLeroy Brooks cranks turns Sterling Peanut John Broda holds John works Ryan modeler helped build new Spiritof St Louis displayed inthe new San DiegoAerospace Museum Right its Peck Polymers prop spinning wee T-Craft takes off big-daddys wing tissue covered Sig low-shrink dope Wonder missed anybody statement end we-flew Flying two Taylorcrafts shown pictures partial exemplification wefly potentials being offered products aeromodeling industry ninefoot span Taylorcraft scratch-built Miniature Aircraft Corp Staten Island NY plans copyright 1942 designers name given questionably relate plane San Francisco area would interesting find out Peanut scale version new Sterling Models Inc dual kits nine-foot Taylorcraft built reasons Sentimentally old timer designed fly either Brown Jr Forster 99 free flight Escapement meant others pio neered weight problems give some assurance success atthe flight line semi-scale version some ap peared Piper design exhibited good thermal potentials especially GrantXish ClarkY airfoil wellengineered lightweight structure Probably use spruce 1/16th inch ply attracted unknown designers expertise opportunity apply new products old see what could happen Preconception substitution followed pretty much start proved Nemesis flight line Someplace along line fell love Diana Cream supplied Sig Supercoat butyrate dopes reminis cent times no clears applied take away warm hue Super Coverite textured covering further accentuate matte finish real plane Super Coverite presented no problems instruc tions followed includes application Balsarite overlap edges did leave distinct line material ended ply quite notice able handled applying Dap Vinyl Paste along edge sanding coated Sig Sanding Sealer resanded before application color coat Walking favorite hobby shop asking three quarts Diana Cream no matter pretty can shock especially abandoned color com bination required Tennessee Red trim color Sig supply Either run Diana Cream loser between three hobby shops ended up 32- 16- 8-ounce cans plus eight 4-oz jars cans still smoke stains store fire about six years ago owner tried almost year get rid fire sale discouraged color taste other modelers dumped container make sure least match batch before starting spray Paasche Airbrush model AUTF airbrush and/or spray guns will just well has favorites years has minimal amount parts especially gaskets around mixing nozzle makes easy clean use two-part finishes dope family problem Three coats Sig Dope over Super Coverite sufficient put scale model winners circle What did wrong lam anxious telL power nose preplanned Veco 61s Perry Carbure tor power source inverted behind 8-inch-wide nose cowling car rying estimated 9-pound modeL K&B 61 Perry Regulated Pump tested usual Perry Aeromotive 100% correct its recommendation used inverted vertical horizontal mounting fine Manufacturers guidelines call 11/8 propeller 12/6 larger heavier models smaller size would have al lowed 1 inches tip beyond cowl larger just 2 bad just didnt look scale knew wouldnt need rpm fly scale-like As rule thumb try never overwork engine using balanced propel lers fuels like K&B 100 equal lubrication sport flying some following propeller substitutions recommended propeller 11/8 12/6 case nylon next choice up would 14/4 downward would 10/10 high-speed flying wood pro August 1979 59 vided clubs 11/8 12/7 13/6 14/5 15/4 16/3 upward side downward side 10/10 would still probably best needed weight mass Testing used 12/5 nylon com promise tacked out fine didnt over heat muffler 15/4 wood prop available compare did have some hand-picked light-weight 1 6/46 Rev Up props weighed out lighter 12/5 nylon Two tanks full fuel about 40 minutes run through under same conditions engine heat equal less rpm held between 7500 8000 using rich setting Leaning out little rendered desired idle further leaning increased ipm appreciably wanted final moment decision would come engine mounted inverted enclosed cowl ing Royal Products Corp Photoelectric Cell Tachometer proved good instrument establishing rpm higher ranges accurate testing Tatone Exhaust Manifold No EM-S 4580 dual neoprene exhaust tubing used during tests assimilate actual instal lation conditions Wood vs nylon propellers running monolog between modelers kinds qualifications rumors may may true about both certainly lack quantitative data support hard fast rules own experience plastics knowledge has formed up some guidelines use addition above will expanded upon future copy immediate appli cations manufacturers recommendations should followed until know sure safe modifications can made flying habits Under conditions never allow anyone stand direct line propeller further away better responsibility make sure area clear before start engine fly unbalanced nicked propellers sure may run ground get up shatter split dive we-fly can cause needless damage and/or injury may necessary boil nylon props least 30 minutes relieve stress build-ups may have occurred during injection molding process plus prop held up light see air bubbles have passed inspectors eyes found reputable hobby shop will immediately replace prop send back manufacturer replacement can wake up inspectors dethermalizers being used free flight controlled R/C free flight thermal hunting nylon props become very cost effective Some nylon props have used hundreds flights majority landings would have probably required replacement wood props Flying RC scale sport etc using 40 larger engines use wood propellers cause other cosmetic easier balance True propeller balance also cost effective price engines replacement parts what today can get out-of-balance pro peller can play havoc engine matter minutes using high-nitro content fuel minimal lubrication new engine completely broken using unbalanced club oil soaked break-in new expensive engine will run will never achieve good engine performance could have peak performance capabilities have probably destroyed designed manufacturer matter seconds first day out field engine did perform properly opinions short did fly nine-footer disappointment prevailed lost pilots out day never flown free flight seen Peanut fly course treading hallowed ground free flight RC site never banned officially fun used wing nine-footer runway looked like howdah big elephants back Leroy did winding John holding trying man bad acting camera set scene first two attempts trial runs plane Sterling Peanut Taylorcraft made perfect ROWs rise off wing camera failed Regrouping Leroy turned crank Sterling Winder what guessed maximum Taylorcraft could take off 60 Model Aviation flight line big Taylorcraft good company Stiks D7 pattern type T-Craft Bobs scratch-built Miniature Aircraft plansanyone remember climbed flew down field mutual achievement around As lowered camera watch flight nifty see until banking left toward friends car acclaimed loud clear Dont worry Im insured AMA just moments before impact No damage car plane flew day much humor fun happy could go home plane intact packing morning wife offered good luck knowing would need given strict orders bring plane home piece wanted decoration tried explain others really better show gave exhausting list reasons no wanted won right Its neat liffle plane flew After arriving home giving plane tore nine-footer air leak fuel line Kraft fuel filter become partially blocked ran through two tanks full K&B 100 re checked rpm idle engine heat go put battery charge ready tomorrow next attempt Keeping light weight easy Ending up little over 9 pounds within power range K&B Veco 61 use Proctor hard ware probably saved close pound nose-moment compared tailmoment measured center gravity recommended little over three-toone ounce tail section would require three ounces ballast nose Also weight added radio controls etc wanted close center gravity practical would aid flying especially takeoffs landings Light wing loading such can tricky crosswind takeoffs tail draggem Concentrating weight center Continued page 122 man few precision products Lou Proctor points out some newflttlngs a7-in span Curtiss Jenny Below allot fIttingsonly some available Proctor used monster T-Craft Scale prop hub used during test flights Two Sizes % ID 10 PRICE 2 lengths Comes ig two STUT FAIRINGS 3 Lengths fairings iiir size 225 cockpit coammn~ -r y COMES IN 3 FT LENGTHS SMALL 118 OR LARGE 114 THIS HINGE COMPLETELY SEALS CONTROL SURFACE AIR LOSS STRONG FLEXIBLE HINGE THAT IS ABLE TO MOVE ooney gapless hinges --* drive shaft broken classical failure mode tubular member under excessive torsional stress After brief discussion decided pull off propeller make hand-launched Gossa mer Glider Two assistants ran along side handles Bryan flew back hangar Paul assessed situation resolved replace drive shaft aluminum did temporarily present version has GFRP drive shaft Much additional work has done complete set spare parts has built enough build entire second aircraft Bryan has continued physical training designed peak first break weather over English channel Plans suitable hangar near Dover have abandoned since team can set up now five minutes planned move England April Im looking forward big attempt think theyll make Adventures/Harrah continued page 61 gravity seems help projected wing stab area about 2000 sq loading about 10 ounces per square foot flying surface little high weak thermals will have hunt out some boomers long flights short engine runs lighter covering little sanding in-sight weight reduc tion would bring down between 7- 8-pound figure Great thermaling al A1 Packaged 2 Ft Size AND PRICE 5195Ipkg GAP LESS HINGE SLOTTER Makes Slots 4 Sizes Balsa %-Y-Ae /4 PRICE S195 FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 Phone 503 357 2732 though doesnt take away neat sport model 9 pounds no tricks mounting Proctor hardware spring mounted set cables maintain tension 2 4 pounds usually required type slow flying plane faster planes require overcome air pressure control surfaces about 6 pounds used one-spring method others use two two-spring method allows control surface deflection both directions case inadvertently moved reducing potential damage system Proctor fittings give finishing touch scale models very functional needed Naturally already guessed half Sig lumberyard went project availability straight-grained spruce large sheets 1/16 ply made building lot easier Jugs Titebond glue some Devcon Slow Cure epoxy Wilhold R/C56 glue wind shields used put together Williams Bros inverted U spear used guide tail wheel Du-Bro wheels Fox wheel fittings rounded out ground support Well Sunday morning perfect first flight engine started right up test glides range check engine running perfect Checked high low throttle nose held vertical could offer no excuse stay ground moment truth hand Ner vous Taxi fine increased rpm went left over-corrected rudder same time parted company ground surprised about 2/3 throttle airborne about 25 feet happened original design pop-off struts came back earth moment realized heading light standard No J4 sticking out Leroys head winding up picture missed itby inches Regaining some control myself plane put slow right turn left wing panel creasing its dihedral cut throttle off managed just clear trees could keep nose up headed slow right spin gave full left rudder full up elevator hoping pop wheels wheels did hit just before nose damage minor plane major pride Repairs now process snap-off struts being re placed working screw-mounted struts go back next flight time will spent ground taxiing did fly Taylorcraft things con sidered lot achieved learned K&B 61 experiments prop tests Proctor control systems surpassed ex pectations two failings both design other pilot error lucky have little repair learned found K&B engine Taylorcraft can wonderful sport-flying oombination Thanks Sterling Peanut version great old bird we-fly can magnificent horror over have go find Diana Cream Invader/Smith continued page 69 4 Slide tubes fuselage epoxy heavily after roughing od corner file glue areas 5 File end tubes flush side fuselage secure ballast strip plastic tape Radie Installatien 1 Installation shown Kraft radio other radio used essential same structural configuration used side rails cross rails Positions may altered suit radio 2 Shape side rails fit contour fuselage Use Hobbypoxy #2 gluing area Epoxy side rails place Fabricate lay out drill cross rails braces epoxy place 3 Loose-install servos align anchor front end cables control linkages Remove servos 4 Sand center seams fuselage smooth wet-or-dry sand entire fuselage re move orange peel effect gel coat Finishpaint fuselage sand canopy bottom needed obtain good fit cut out rear canopy clear control mechan ism Install hook canopy hooks servo rails Finish paint canopy 5 One Airtronics skid other suitable skid installed Install radio hook up linkages Assemble finished tail surfaces 122 Model Aviation Winning Ideas FOURMOST specialize WINNING Ideas AVIATION JEWELRY Largest Aircraft Jewelry Selection World CUSTOM JEWELRY SPECIALISTS Interested dealers full line airplane jewelry write PO Box 56CM JAddison Dallas Texas 75001 -Ph 214 596 3505 CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 049L051 Specialists brochure send 1 Sc stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hills CA 92653 714 830-5162
Edition: Model Aviation - 1979/08
Page Numbers: 56, 57, 58, 59, 60, 61, 122
NO OCR TEXT bracket design used hold Proctor Control System System avoids distant locations servos big aircraft possible long-lead electronic problems allows cable hookups appropriate better such scale Trim done Carl Goldberg DJs strip tapes another thermal Dallaire Sportster transmitter sitting ground others being flown Red directors chair going up coming back refuel refreshment hand lasted long dared count batteries almost three hours including down time yarn swapping During time young lad another hill about thousand yards north seemed spending time cranking flying us could make out what since flights lasted about ten feet javelin toss would carry up model out first five feet momentum gravity took care next five before thud soft dirt packed up started home clean up-the-plane time almost reaching turn out spot curiosity got best swinging wheel headed across fields top hill should now called pmpeller ding knoll Yes curly haired tan blue-jeaned lad about 12 still cranking gave toss pulled up went about 15 feet got caught crosswind downward leg accounted additional five feet walked past car stopped asked could please see planes chatted tactfully asked what plane fuselage long wing tail section almost nill powerplant wired rubber banded Cox 049 part plastic engine mount unidentifiable ready-built helping hold place what could classed empirical design assembled junk piles neighborhood friends asked could experiment plane him joyfully agreed bribe new prop 049 pulled out flight box replace bent kicked 020 prop using also got fresh rubber-band box pulled out few chunks balsa carry shimming switched props slid rubber-band-mount wing cen ter gravity about 30% took out negative incidence added about three degrees test glided achieved some thing flying little better brick somehow managed put some down thrust mounted engine So bravely said Start up go over edge slope toss straight out slightly down flew about 50 feet wide downward circle elated magnificent flight couldnt bear tell him hadnt helped him much just taken advantage hill allowed little time gravity take over made few adjustments like hotter fuel incidence rudder trim We-flew achieved two large circles flight before blessed knoll another ding invited him home parents figuring would never see him again drove off realizing really much fun him did flying buddies did call came over looked shop family has nicknamed hole gave him Midwest Sniffer plane will fly great builder abuse dad agreed help lad called told flew great am sure relative 58 Model Aviation Carl Goldberg Handi-Tote features cant really appreciated until use itso says Bob seems favor door-bell batteries booster ye editor second year pair safety fuel kept away electrical components flight box Thats important Cables used strutsand controls though doubt rudder/stab bracing istrueto-lifebut mighty effective Llttlewhite square bottom rudder Williams Bros inverted U forsafe tall steeringwe can confirm ideal Note cable exit fuselage side go outto fly should fly no matterwhat After Bob lostoneworking wing strut 9-footerclimb outno doubt well hear aboutflylng big bird future monthsLeroy Brooks cranks turns Sterling Peanut John Broda holds John works Ryan modeler helped build new Spiritof St Louis displayed inthe new San DiegoAerospace Museum Right its Peck Polymers prop spinning wee T-Craft takes off big-daddys wing tissue covered Sig low-shrink dope Wonder missed anybody statement end we-flew Flying two Taylorcrafts shown pictures partial exemplification wefly potentials being offered products aeromodeling industry ninefoot span Taylorcraft scratch-built Miniature Aircraft Corp Staten Island NY plans copyright 1942 designers name given questionably relate plane San Francisco area would interesting find out Peanut scale version new Sterling Models Inc dual kits nine-foot Taylorcraft built reasons Sentimentally old timer designed fly either Brown Jr Forster 99 free flight Escapement meant others pio neered weight problems give some assurance success atthe flight line semi-scale version some ap peared Piper design exhibited good thermal potentials especially GrantXish ClarkY airfoil wellengineered lightweight structure Probably use spruce 1/16th inch ply attracted unknown designers expertise opportunity apply new products old see what could happen Preconception substitution followed pretty much start proved Nemesis flight line Someplace along line fell love Diana Cream supplied Sig Supercoat butyrate dopes reminis cent times no clears applied take away warm hue Super Coverite textured covering further accentuate matte finish real plane Super Coverite presented no problems instruc tions followed includes application Balsarite overlap edges did leave distinct line material ended ply quite notice able handled applying Dap Vinyl Paste along edge sanding coated Sig Sanding Sealer resanded before application color coat Walking favorite hobby shop asking three quarts Diana Cream no matter pretty can shock especially abandoned color com bination required Tennessee Red trim color Sig supply Either run Diana Cream loser between three hobby shops ended up 32- 16- 8-ounce cans plus eight 4-oz jars cans still smoke stains store fire about six years ago owner tried almost year get rid fire sale discouraged color taste other modelers dumped container make sure least match batch before starting spray Paasche Airbrush model AUTF airbrush and/or spray guns will just well has favorites years has minimal amount parts especially gaskets around mixing nozzle makes easy clean use two-part finishes dope family problem Three coats Sig Dope over Super Coverite sufficient put scale model winners circle What did wrong lam anxious telL power nose preplanned Veco 61s Perry Carbure tor power source inverted behind 8-inch-wide nose cowling car rying estimated 9-pound modeL K&B 61 Perry Regulated Pump tested usual Perry Aeromotive 100% correct its recommendation used inverted vertical horizontal mounting fine Manufacturers guidelines call 11/8 propeller 12/6 larger heavier models smaller size would have al lowed 1 inches tip beyond cowl larger just 2 bad just didnt look scale knew wouldnt need rpm fly scale-like As rule thumb try never overwork engine using balanced propel lers fuels like K&B 100 equal lubrication sport flying some following propeller substitutions recommended propeller 11/8 12/6 case nylon next choice up would 14/4 downward would 10/10 high-speed flying wood pro August 1979 59 vided clubs 11/8 12/7 13/6 14/5 15/4 16/3 upward side downward side 10/10 would still probably best needed weight mass Testing used 12/5 nylon com promise tacked out fine didnt over heat muffler 15/4 wood prop available compare did have some hand-picked light-weight 1 6/46 Rev Up props weighed out lighter 12/5 nylon Two tanks full fuel about 40 minutes run through under same conditions engine heat equal less rpm held between 7500 8000 using rich setting Leaning out little rendered desired idle further leaning increased ipm appreciably wanted final moment decision would come engine mounted inverted enclosed cowl ing Royal Products Corp Photoelectric Cell Tachometer proved good instrument establishing rpm higher ranges accurate testing Tatone Exhaust Manifold No EM-S 4580 dual neoprene exhaust tubing used during tests assimilate actual instal lation conditions Wood vs nylon propellers running monolog between modelers kinds qualifications rumors may may true about both certainly lack quantitative data support hard fast rules own experience plastics knowledge has formed up some guidelines use addition above will expanded upon future copy immediate appli cations manufacturers recommendations should followed until know sure safe modifications can made flying habits Under conditions never allow anyone stand direct line propeller further away better responsibility make sure area clear before start engine fly unbalanced nicked propellers sure may run ground get up shatter split dive we-fly can cause needless damage and/or injury may necessary boil nylon props least 30 minutes relieve stress build-ups may have occurred during injection molding process plus prop held up light see air bubbles have passed inspectors eyes found reputable hobby shop will immediately replace prop send back manufacturer replacement can wake up inspectors dethermalizers being used free flight controlled R/C free flight thermal hunting nylon props become very cost effective Some nylon props have used hundreds flights majority landings would have probably required replacement wood props Flying RC scale sport etc using 40 larger engines use wood propellers cause other cosmetic easier balance True propeller balance also cost effective price engines replacement parts what today can get out-of-balance pro peller can play havoc engine matter minutes using high-nitro content fuel minimal lubrication new engine completely broken using unbalanced club oil soaked break-in new expensive engine will run will never achieve good engine performance could have peak performance capabilities have probably destroyed designed manufacturer matter seconds first day out field engine did perform properly opinions short did fly nine-footer disappointment prevailed lost pilots out day never flown free flight seen Peanut fly course treading hallowed ground free flight RC site never banned officially fun used wing nine-footer runway looked like howdah big elephants back Leroy did winding John holding trying man bad acting camera set scene first two attempts trial runs plane Sterling Peanut Taylorcraft made perfect ROWs rise off wing camera failed Regrouping Leroy turned crank Sterling Winder what guessed maximum Taylorcraft could take off 60 Model Aviation flight line big Taylorcraft good company Stiks D7 pattern type T-Craft Bobs scratch-built Miniature Aircraft plansanyone remember climbed flew down field mutual achievement around As lowered camera watch flight nifty see until banking left toward friends car acclaimed loud clear Dont worry Im insured AMA just moments before impact No damage car plane flew day much humor fun happy could go home plane intact packing morning wife offered good luck knowing would need given strict orders bring plane home piece wanted decoration tried explain others really better show gave exhausting list reasons no wanted won right Its neat liffle plane flew After arriving home giving plane tore nine-footer air leak fuel line Kraft fuel filter become partially blocked ran through two tanks full K&B 100 re checked rpm idle engine heat go put battery charge ready tomorrow next attempt Keeping light weight easy Ending up little over 9 pounds within power range K&B Veco 61 use Proctor hard ware probably saved close pound nose-moment compared tailmoment measured center gravity recommended little over three-toone ounce tail section would require three ounces ballast nose Also weight added radio controls etc wanted close center gravity practical would aid flying especially takeoffs landings Light wing loading such can tricky crosswind takeoffs tail draggem Concentrating weight center Continued page 122 man few precision products Lou Proctor points out some newflttlngs a7-in span Curtiss Jenny Below allot fIttingsonly some available Proctor used monster T-Craft Scale prop hub used during test flights Two Sizes % ID 10 PRICE 2 lengths Comes ig two STUT FAIRINGS 3 Lengths fairings iiir size 225 cockpit coammn~ -r y COMES IN 3 FT LENGTHS SMALL 118 OR LARGE 114 THIS HINGE COMPLETELY SEALS CONTROL SURFACE AIR LOSS STRONG FLEXIBLE HINGE THAT IS ABLE TO MOVE ooney gapless hinges --* drive shaft broken classical failure mode tubular member under excessive torsional stress After brief discussion decided pull off propeller make hand-launched Gossa mer Glider Two assistants ran along side handles Bryan flew back hangar Paul assessed situation resolved replace drive shaft aluminum did temporarily present version has GFRP drive shaft Much additional work has done complete set spare parts has built enough build entire second aircraft Bryan has continued physical training designed peak first break weather over English channel Plans suitable hangar near Dover have abandoned since team can set up now five minutes planned move England April Im looking forward big attempt think theyll make Adventures/Harrah continued page 61 gravity seems help projected wing stab area about 2000 sq loading about 10 ounces per square foot flying surface little high weak thermals will have hunt out some boomers long flights short engine runs lighter covering little sanding in-sight weight reduc tion would bring down between 7- 8-pound figure Great thermaling al A1 Packaged 2 Ft Size AND PRICE 5195Ipkg GAP LESS HINGE SLOTTER Makes Slots 4 Sizes Balsa %-Y-Ae /4 PRICE S195 FOURMOST PRODUCTS 4040 24th Avenue Forest Grove OR 97116 Phone 503 357 2732 though doesnt take away neat sport model 9 pounds no tricks mounting Proctor hardware spring mounted set cables maintain tension 2 4 pounds usually required type slow flying plane faster planes require overcome air pressure control surfaces about 6 pounds used one-spring method others use two two-spring method allows control surface deflection both directions case inadvertently moved reducing potential damage system Proctor fittings give finishing touch scale models very functional needed Naturally already guessed half Sig lumberyard went project availability straight-grained spruce large sheets 1/16 ply made building lot easier Jugs Titebond glue some Devcon Slow Cure epoxy Wilhold R/C56 glue wind shields used put together Williams Bros inverted U spear used guide tail wheel Du-Bro wheels Fox wheel fittings rounded out ground support Well Sunday morning perfect first flight engine started right up test glides range check engine running perfect Checked high low throttle nose held vertical could offer no excuse stay ground moment truth hand Ner vous Taxi fine increased rpm went left over-corrected rudder same time parted company ground surprised about 2/3 throttle airborne about 25 feet happened original design pop-off struts came back earth moment realized heading light standard No J4 sticking out Leroys head winding up picture missed itby inches Regaining some control myself plane put slow right turn left wing panel creasing its dihedral cut throttle off managed just clear trees could keep nose up headed slow right spin gave full left rudder full up elevator hoping pop wheels wheels did hit just before nose damage minor plane major pride Repairs now process snap-off struts being re placed working screw-mounted struts go back next flight time will spent ground taxiing did fly Taylorcraft things con sidered lot achieved learned K&B 61 experiments prop tests Proctor control systems surpassed ex pectations two failings both design other pilot error lucky have little repair learned found K&B engine Taylorcraft can wonderful sport-flying oombination Thanks Sterling Peanut version great old bird we-fly can magnificent horror over have go find Diana Cream Invader/Smith continued page 69 4 Slide tubes fuselage epoxy heavily after roughing od corner file glue areas 5 File end tubes flush side fuselage secure ballast strip plastic tape Radie Installatien 1 Installation shown Kraft radio other radio used essential same structural configuration used side rails cross rails Positions may altered suit radio 2 Shape side rails fit contour fuselage Use Hobbypoxy #2 gluing area Epoxy side rails place Fabricate lay out drill cross rails braces epoxy place 3 Loose-install servos align anchor front end cables control linkages Remove servos 4 Sand center seams fuselage smooth wet-or-dry sand entire fuselage re move orange peel effect gel coat Finishpaint fuselage sand canopy bottom needed obtain good fit cut out rear canopy clear control mechan ism Install hook canopy hooks servo rails Finish paint canopy 5 One Airtronics skid other suitable skid installed Install radio hook up linkages Assemble finished tail surfaces 122 Model Aviation Winning Ideas FOURMOST specialize WINNING Ideas AVIATION JEWELRY Largest Aircraft Jewelry Selection World CUSTOM JEWELRY SPECIALISTS Interested dealers full line airplane jewelry write PO Box 56CM JAddison Dallas Texas 75001 -Ph 214 596 3505 CUSTOM TUNED ENGINES COMPETITION ACCESSORIES Cox 049L051 Specialists brochure send 1 Sc stamp Kustom Kraftsmanship Brochure Box 2699 Laguna Hills CA 92653 714 830-5162