NO OCR TEXT NO OCR TEXT raw balsa stage 1/72 scale shown drawings can carried aloft Falcon 56 using larger recommended engine one-and-a-half size double size could carried Sr Falcon similar model larger size best less experienced pilot since lighter wing loading would re duce speed glide angle would recommend smaller Shuttle novice because handfulrequiring quick de cisions careful response An ultra-light radio could allow reasonable sport flying perThe tall wire launch frame meant ensure Shuttle would clear tail car rier plane didift turn out problem shorter frame would also work well formance smaller Shuttle dont know Peanut Scale builders reading RC article let highly recommend stick-and-tissue Free Flight model Shuttle Iplan build larger model about twice size plans use pusher ducted fan engine linagine doing touch-and goes Space Shuttle Im sure Scale purist will see has some liberty taken Shuttles design Actually stand-off-Scale Its like stand-back-over-yonder-Scale Since 72 Model Aviation napsnor Win Hurts nuwe tor turst night Luther recommends two RC systems different bands receivers th same bend too close together will cause trouble Photos Dawn Luther Hux interior layout Note receiver battery covers have removed sau wugm Cut weight cansink rate fast enough homemade mixer installed tween servos elevons Move receiver forward backward balancingno ballast weight wanted Author uses Royal receiver Ace servos 0 ar Ob 05 2 E S ~4 b . S b~ ~2o 10 05cnot 100 o 0 g oooo ~0---o Welcome home CohirraI widome1L Young p 3/16 SQ Withelshow6 DOUBLER Ifftnjdderuoed3/6 PIF GfECERTiLLJQ~ NOTEuBce9O tecagodooro no BOto floor. 1/16 SHEETIBXERSERSRELEASE Sw1 RoBe4ETj I/BWig sete Vshooe floor edge cmtwniongmgPLY REAR COWL TYPICAL Lt6 CAProw RACK~\ Ruhher hhg-AV ill NOES 1/8 SHEET IONgeOSITE OF UtWgireo OENTER SE 8 peed cnleee hreoho VBPL F------two-Floor edgeT1 3/16 Sheet Floor -2 TRALPIG SroK K a72--- -- /2 FIRINGFloor oroes tectioc bvBTAPERED CAP / / -Rlhpotteon ron-or coeerlnghimdownforeheet ooowhsg /32 EY~SA inUnited States . R SFE SRfl7LE deelgeed $ awe hy Lidher Hue Uee yy flode belso utd fl phw Flying weight- 7to 0 OZ 1 C I N m -u z C w Tn C Tn Tn -u Tn 0 0 m o 0 U J te -g IeI 0 0 4-JO C 04 e U CC 0 4 -0 o 05 0 ci S. C CD 0 D Fi 0 GREY add another 10% Keep mind thrust power outputs glow engines parallel typical reciprocating fullscale aircraft engines because glow engines develop power high rpm whereas larger gas engines generate horsepower through lower rpm higher torque Thrust propor tional torque reason use speed reducers larger gas engines some Giant Scale modelseven though normal power output some large glow engines would sufficient important thing remember thrust relates maneuverability whereas power relates max imum flying speed Maneuverability final consideration does relate absolute flyability well model will duplicate prototypes ma neuver spectrum Two important character istics determine thrust/weight ratio power/weight ratio Most models can built much lighter weight required true dynamic scale still made fly like prototype Precision Scale Sport Scale enthusiasts have doing years As matter fact model lighter dynamic scale weight will land slower require less thrust equivalent thrust/weight course can now duplicate authentic landing speed bringing model little hotter have Similarly models thrust/weight greater prototype will capable shorter takeoff rollhut scale flight throttle back bit Indeed few maneuvers cannot duplicated true dynamic scale fashion airplane lighter has thrust dynamic scale values maneuvers pilot has very little inter mediate control over like spins vertical dives snap rolls Generally can conclude lightest possible model should built As long model weight less dynamic scale weight thrust/weight least large prototype model can made fly scale manner over major portion its maneuver spectrum true great number airplanes always possible generally has strike compromise between scale factor weight thrust power modeL Doing involves selecting value N scale factor estimating weight model based its size selecting engine produces thrust power required allows come up good idea what model will like given scale factor Figure range scale factors over range what practical select optimum Part III series will illustrate Space Shuttle/Hux Con finued page 73 shaping carved portions Shuttle paint markings use photos Time magazine Columbia has few changes marking over other drawings earlier Shuttles black top wing leading edge black top rudder Most display models show green-grey leading edge actual photos appear greytake pick plastic kits can provide detail would practical use flying model airfoil compromise between what would appear scale still give good performance Now have covered modifications lets build Shuttle Begin fuselage center section Cut out bulkheads cut out centers until cross-grain doublers have attached bulkhead too fragile centers removed Mark door edge cut lines both sides bulkhead cut door lines halfway through bulkhead thick ness final cut through made after center sheeted Glue bulkheads floor piece partial cuts facing inside Note angle bulkheads floor Glue pine longeron sets trying glue adjacent longerons other gap between sets hinge line doors Light pine longerons recommended stead balsa topreventwarpingofthe doors Wet side sheeting hot water glue dry side frame starting top door seam dry cut sheeting gaps between longerons complete cuts started bulkheads remove doors Tape doors back place Attach 1/16 cross grain doubler forward bulkhead careful apply glue door area Trim edges mini-saw cutout center bulkhead Assemble blocks soft balsa cut nose section Mark top side profile blocks cut band jigsaw keep blocks square table second cut September 1981 137 k/eueIF NEED6o BALSA.3t BALSA SHEETSBALSA BLOCKS 48 long24 long 4/ie4912 62 5213 86 6214 126 4Yie7422 86 4 9023 126 410833 240 6 /16BALSA STICKS 6/32 78 6 6 3/joSold packs 5 6162/16 70 70 /8~ 75 PLYWOOD 3M 95 6"48/ 110 /32 y1253M lie y136 square 70 /32 y175/16 square 75 5-ply185 square 85 /I6 y240M square 140 5-ply280 square 190 Write complete product listing Manufacturers dealers inquiries invited Special szes available Add $350 postage handling No minimum requirements NIIG NODELS INC PO BOX 396 Y MARYLAND 301 326-2554 fiOrflddO PROPELLERS Made polyester boil color Go GRISH 1 propeller True helical pitch airfoil win-power Sizes pitches styles needs AT YOUR DEALER 2 Blade Tractor 53each 545354Nc 63 64Mc 74 76 78Mc 8486 883 9496 97 98104106Nc 114116118 *1 124125126IU 2 BladePusher 544 63 6-4 Nc 86 Nc 96106 *1 3 Blade Tractor 53 63 64 Nc 3 Blade Pusher 63Nc Metallic Aluminum Color Tractor 7678$1 8688ia 96 10601fl Pusher061SO MaTcnea rerformance system TOP PERFORMANCE K&B ENGINES 16 Airplane- 4 Marine K&8 FUELSK&B GLOW PLUGS 7 Blends4 choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESINK&B SUPER POXY RESIN KaB SUPER POSY PRIMER K&B SUPER POSY PAINT K&B MIXING CUPS L place nose section back scrap just cut ofl hold place vertical cut made Note floor area nose section open interlocks floor center section Draw bulkhead outline back trimmed blocks keep carving away too HENDERTOON GRISH LARGE WOOD PROPELLERS HARDWOOD too hardr minimizes costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/8 BORE ALL SIZES IN18 $7 6 B & 10 PITCH 20 8 22 10 24 13 NEW SIZE IN S & 10 PITCH 26 $16 GRISH BROSINDIANA 46373 P1mw Quality Flying Models catalog $150 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books 4ee * STIC MODELS 3273 West 129th Street Cleveland Ohio 44111 much Carve sand away anything doesnt look like Shuttle Use plastic model published photos guide Hollow nose section about kness use high intensity lamp inside nose check thin spots Glue pine bar installing nose gear wheel y cAL PLALE 131& fETAig fLlMI 2 C- "00 W SUPOST fO L1 GO WHEIJ COOJE 1-0 BWE~11 Glue nose section place blend edges center section flat temple areas behind cockpit windows continues interrupt otherwise curved top Shuttle right back door area creates thin spot door front edge must beefed up hardwood putty balsa inside doors Glue rear cross-grain doubler rear bulkhead trim flush Mark attachment points rudder rear sectlons rear bulkhead Mini-saw cutout center bulkhead Cut rudder 3/16 sheet shape glue place Starting floor cut assemble 1/16 sheet pentagon-shaped tall section using marking rear bulkhead alignment Note rear floor angled up Cut fit engine bulkhead place glue time will need access area later Cut outline rear cowl cheeks 1 x 2 block sand shape Hollow out cowls about -in thickness Attach cowls sheet rear cowls 1/32 balsa Now wings convert freight car glider Assemble 3/8 x a wing outline flat plans Cut leading edge fairings -in sheet attach Now will notice erence between fairing leading edge Overlay leading edge trip tapers 1/32 wing tips Use glue easily carved sanded strip will cut away Hold off gluing ribs using landing gear using skids glue ribs adjacent fuselage Installing landing gear spar later difficult ribs place Make center line cuts spars separate wings Trim center wing spars dihedral angle notch floor overlap Note bottom wing should -in up bottom fuse lage floor Dont cut notch deeper wing belly model will sanded smooth curve matches dihedral after wings attached hence thick floor accommodate shaping Slot fuselage sides spars test spars dihedral angle fit Cut slots landing gear spar will using wheels wings position note bevel required leading edge fairings match dihedral sand fit flush fuselage make final adjustments spar notches until fairings fit correctly Weight fuselage down table glue wings place wing tips supported right dihedral angle Eye wings carefully check difference angle attack wing short wing span very important prevent roll difficulties rear floor trailing edge spar 1/16 sheet rear spar will sit too high could use t notch spar simply installed doublers around spar Drill holes wire landing gear spar glue spar place bottom outer edges LG spar should align bottom wing Use straightedge set leading edge trailing edge guide glue doublers supports around spar inside fuselage Now install ribs would have interfered sliding LG spar place rib outlines plans iron-on coverings sheet top wing did must cut ribs 1/32-in thinner drawn recommend sheeting top fabric bottom iron-ons can take abuse sheeting can retightened dented Shape leading trailing 138 Model Aviation 3 3lade RIGHT HAND TRACTOR LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS PO BOX 112 WINDSOR PROPELLER CO WINDSOR CA 95492 edges shown Note have large strong spar allows produce good airfoil shape just rounded-off edge Con tinue airfoil shape leading edge fairing smooth ends fairings nose section An emory board excellent Install torque rods elevons Note trailing edge stock installed upside down Install mini-hinges shape elevon tips match wing tips Spot glue engine bulk head place final sanding shaping entire model Dont glue engine bulkhead place permanently until radio has installed tested wish paint interior spray light coat silver before starting radio installation Attach cargo doors mini-hinges fabric hinges Seal exterior model sanding sealer Keep mind surface fullscale Shuttle textured hold back excessive coats sealer paint will add lot weight Apply white top model first mask large black areas scale appearance use satin finish paints instead gloss flat finishes Another good covering combination white Permagloss Coverite black satin polyurethane paint has realistic appearance Doing wings iron-ons small unusuallyshaped model bit challenge Mask off windshield spray trans parent blue paint Lone Ranger mask around cockpit along other black trim detail final touch borrow decals plastic kit have trying sell take best shot free-hand lettering Complete model nylon skids Williams Brothers 1-in wheels radio installion can buy make elevon mixer Shuttle lightest model transmitter mixer best able afford another radio Shuttle though would like have used subminiature like Cannon average small radio weight acceptable Dont try small Shuttle larger servos battery flying weight must under 10 ounces want enjoy flying Shuttle Mine 89 ounces comparing size shuttle first RC Space Shuttle used NASA release testing approximate scale weight model would just under two pounds Please dont try its fast enough Remember flying supposed fun launch frame made wire designed plug wing bolts strap plenty extra rubberbands along wings Sr Falcon similar installation simply have base wire frame follow leading trailing edges wing run rubberbands through wire frame Use rubber tubing cushion wire contacts wing sure route wire along solid portions wing has sheeted top plate plywood epoxied wrapped fabric reinforcements release tab nylon control horn system has worked well RC parachutist over two years push-out spring-loaded release pin allows attaching removing Shuttle need transmitter plate covered enough foam keep gentle pressure Shuttle foam cushions Shuttles ride used force Shuttle away plate Too much pressure servo will have trouble releas ing model Shuttle should ride 30 up angle compared level flight carrying model gives Shuttle necessary force pop up away release unnecessary stress model during flight have worked number release ideas simplest works best Climbing creates G forces diving puts tail higher Shuttle worst system models would stall nothing make Shuttle separate usual procedure simply chop throttle level flight release Shuttle about two seconds later point both models coasting equally plenty air speed lift Shuttle off coasting prevent carrying model flying its tail section Shuttle before Shuttle can get altitude Trying get quick pop-up springs will bind servo Any other re lease incentives completely unnecessary first flight sure match CG perfectly get plenty altitude allow self some time learn Shuttle handles Dont make sharp turns flights last about 30 seconds steep turns lot shorter Doug Pratt MA assistant editor working launching Shuttle model rocket motors hopes complete test launch 1/72-scale unit fall have invited launch mini-Shuttle Goddard Space Flight Center number rocket-powered Shuttle kits market believe first radio-controlled launch landing Shuttle Ive started drawing powered version show team work Ill doing summer Im sure someone out can beat Good luck first mission QUICK N EASY CUTOUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 Fl o Measuring Needed TO BUILD TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold adi Tools etc. Legs Removable 21 s 1 2 x 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 September 1981 139 AIRSIIIW PRESENTS BALSA STRIPPER A95 U AT YOUR DEALER PRECISION STRIP WOOD TO x INS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 p INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO III PLANESBOATSCARS MANUFACTURERS-STATIC DISPLAYS-SWAP SHOP October 234 1981 West Eight Mile Artillery Armory Oak Park Michigan
Edition: Model Aviation - 1981/09
Page Numbers: 70, 71, 72, 73, 137, 138, 139
NO OCR TEXT NO OCR TEXT raw balsa stage 1/72 scale shown drawings can carried aloft Falcon 56 using larger recommended engine one-and-a-half size double size could carried Sr Falcon similar model larger size best less experienced pilot since lighter wing loading would re duce speed glide angle would recommend smaller Shuttle novice because handfulrequiring quick de cisions careful response An ultra-light radio could allow reasonable sport flying perThe tall wire launch frame meant ensure Shuttle would clear tail car rier plane didift turn out problem shorter frame would also work well formance smaller Shuttle dont know Peanut Scale builders reading RC article let highly recommend stick-and-tissue Free Flight model Shuttle Iplan build larger model about twice size plans use pusher ducted fan engine linagine doing touch-and goes Space Shuttle Im sure Scale purist will see has some liberty taken Shuttles design Actually stand-off-Scale Its like stand-back-over-yonder-Scale Since 72 Model Aviation napsnor Win Hurts nuwe tor turst night Luther recommends two RC systems different bands receivers th same bend too close together will cause trouble Photos Dawn Luther Hux interior layout Note receiver battery covers have removed sau wugm Cut weight cansink rate fast enough homemade mixer installed tween servos elevons Move receiver forward backward balancingno ballast weight wanted Author uses Royal receiver Ace servos 0 ar Ob 05 2 E S ~4 b . S b~ ~2o 10 05cnot 100 o 0 g oooo ~0---o Welcome home CohirraI widome1L Young p 3/16 SQ Withelshow6 DOUBLER Ifftnjdderuoed3/6 PIF GfECERTiLLJQ~ NOTEuBce9O tecagodooro no BOto floor. 1/16 SHEETIBXERSERSRELEASE Sw1 RoBe4ETj I/BWig sete Vshooe floor edge cmtwniongmgPLY REAR COWL TYPICAL Lt6 CAProw RACK~\ Ruhher hhg-AV ill NOES 1/8 SHEET IONgeOSITE OF UtWgireo OENTER SE 8 peed cnleee hreoho VBPL F------two-Floor edgeT1 3/16 Sheet Floor -2 TRALPIG SroK K a72--- -- /2 FIRINGFloor oroes tectioc bvBTAPERED CAP / / -Rlhpotteon ron-or coeerlnghimdownforeheet ooowhsg /32 EY~SA inUnited States . R SFE SRfl7LE deelgeed $ awe hy Lidher Hue Uee yy flode belso utd fl phw Flying weight- 7to 0 OZ 1 C I N m -u z C w Tn C Tn Tn -u Tn 0 0 m o 0 U J te -g IeI 0 0 4-JO C 04 e U CC 0 4 -0 o 05 0 ci S. C CD 0 D Fi 0 GREY add another 10% Keep mind thrust power outputs glow engines parallel typical reciprocating fullscale aircraft engines because glow engines develop power high rpm whereas larger gas engines generate horsepower through lower rpm higher torque Thrust propor tional torque reason use speed reducers larger gas engines some Giant Scale modelseven though normal power output some large glow engines would sufficient important thing remember thrust relates maneuverability whereas power relates max imum flying speed Maneuverability final consideration does relate absolute flyability well model will duplicate prototypes ma neuver spectrum Two important character istics determine thrust/weight ratio power/weight ratio Most models can built much lighter weight required true dynamic scale still made fly like prototype Precision Scale Sport Scale enthusiasts have doing years As matter fact model lighter dynamic scale weight will land slower require less thrust equivalent thrust/weight course can now duplicate authentic landing speed bringing model little hotter have Similarly models thrust/weight greater prototype will capable shorter takeoff rollhut scale flight throttle back bit Indeed few maneuvers cannot duplicated true dynamic scale fashion airplane lighter has thrust dynamic scale values maneuvers pilot has very little inter mediate control over like spins vertical dives snap rolls Generally can conclude lightest possible model should built As long model weight less dynamic scale weight thrust/weight least large prototype model can made fly scale manner over major portion its maneuver spectrum true great number airplanes always possible generally has strike compromise between scale factor weight thrust power modeL Doing involves selecting value N scale factor estimating weight model based its size selecting engine produces thrust power required allows come up good idea what model will like given scale factor Figure range scale factors over range what practical select optimum Part III series will illustrate Space Shuttle/Hux Con finued page 73 shaping carved portions Shuttle paint markings use photos Time magazine Columbia has few changes marking over other drawings earlier Shuttles black top wing leading edge black top rudder Most display models show green-grey leading edge actual photos appear greytake pick plastic kits can provide detail would practical use flying model airfoil compromise between what would appear scale still give good performance Now have covered modifications lets build Shuttle Begin fuselage center section Cut out bulkheads cut out centers until cross-grain doublers have attached bulkhead too fragile centers removed Mark door edge cut lines both sides bulkhead cut door lines halfway through bulkhead thick ness final cut through made after center sheeted Glue bulkheads floor piece partial cuts facing inside Note angle bulkheads floor Glue pine longeron sets trying glue adjacent longerons other gap between sets hinge line doors Light pine longerons recommended stead balsa topreventwarpingofthe doors Wet side sheeting hot water glue dry side frame starting top door seam dry cut sheeting gaps between longerons complete cuts started bulkheads remove doors Tape doors back place Attach 1/16 cross grain doubler forward bulkhead careful apply glue door area Trim edges mini-saw cutout center bulkhead Assemble blocks soft balsa cut nose section Mark top side profile blocks cut band jigsaw keep blocks square table second cut September 1981 137 k/eueIF NEED6o BALSA.3t BALSA SHEETSBALSA BLOCKS 48 long24 long 4/ie4912 62 5213 86 6214 126 4Yie7422 86 4 9023 126 410833 240 6 /16BALSA STICKS 6/32 78 6 6 3/joSold packs 5 6162/16 70 70 /8~ 75 PLYWOOD 3M 95 6"48/ 110 /32 y1253M lie y136 square 70 /32 y175/16 square 75 5-ply185 square 85 /I6 y240M square 140 5-ply280 square 190 Write complete product listing Manufacturers dealers inquiries invited Special szes available Add $350 postage handling No minimum requirements NIIG NODELS INC PO BOX 396 Y MARYLAND 301 326-2554 fiOrflddO PROPELLERS Made polyester boil color Go GRISH 1 propeller True helical pitch airfoil win-power Sizes pitches styles needs AT YOUR DEALER 2 Blade Tractor 53each 545354Nc 63 64Mc 74 76 78Mc 8486 883 9496 97 98104106Nc 114116118 *1 124125126IU 2 BladePusher 544 63 6-4 Nc 86 Nc 96106 *1 3 Blade Tractor 53 63 64 Nc 3 Blade Pusher 63Nc Metallic Aluminum Color Tractor 7678$1 8688ia 96 10601fl Pusher061SO MaTcnea rerformance system TOP PERFORMANCE K&B ENGINES 16 Airplane- 4 Marine K&8 FUELSK&B GLOW PLUGS 7 Blends4 choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESINK&B SUPER POXY RESIN KaB SUPER POSY PRIMER K&B SUPER POSY PAINT K&B MIXING CUPS L place nose section back scrap just cut ofl hold place vertical cut made Note floor area nose section open interlocks floor center section Draw bulkhead outline back trimmed blocks keep carving away too HENDERTOON GRISH LARGE WOOD PROPELLERS HARDWOOD too hardr minimizes costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/8 BORE ALL SIZES IN18 $7 6 B & 10 PITCH 20 8 22 10 24 13 NEW SIZE IN S & 10 PITCH 26 $16 GRISH BROSINDIANA 46373 P1mw Quality Flying Models catalog $150 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books 4ee * STIC MODELS 3273 West 129th Street Cleveland Ohio 44111 much Carve sand away anything doesnt look like Shuttle Use plastic model published photos guide Hollow nose section about kness use high intensity lamp inside nose check thin spots Glue pine bar installing nose gear wheel y cAL PLALE 131& fETAig fLlMI 2 C- "00 W SUPOST fO L1 GO WHEIJ COOJE 1-0 BWE~11 Glue nose section place blend edges center section flat temple areas behind cockpit windows continues interrupt otherwise curved top Shuttle right back door area creates thin spot door front edge must beefed up hardwood putty balsa inside doors Glue rear cross-grain doubler rear bulkhead trim flush Mark attachment points rudder rear sectlons rear bulkhead Mini-saw cutout center bulkhead Cut rudder 3/16 sheet shape glue place Starting floor cut assemble 1/16 sheet pentagon-shaped tall section using marking rear bulkhead alignment Note rear floor angled up Cut fit engine bulkhead place glue time will need access area later Cut outline rear cowl cheeks 1 x 2 block sand shape Hollow out cowls about -in thickness Attach cowls sheet rear cowls 1/32 balsa Now wings convert freight car glider Assemble 3/8 x a wing outline flat plans Cut leading edge fairings -in sheet attach Now will notice erence between fairing leading edge Overlay leading edge trip tapers 1/32 wing tips Use glue easily carved sanded strip will cut away Hold off gluing ribs using landing gear using skids glue ribs adjacent fuselage Installing landing gear spar later difficult ribs place Make center line cuts spars separate wings Trim center wing spars dihedral angle notch floor overlap Note bottom wing should -in up bottom fuse lage floor Dont cut notch deeper wing belly model will sanded smooth curve matches dihedral after wings attached hence thick floor accommodate shaping Slot fuselage sides spars test spars dihedral angle fit Cut slots landing gear spar will using wheels wings position note bevel required leading edge fairings match dihedral sand fit flush fuselage make final adjustments spar notches until fairings fit correctly Weight fuselage down table glue wings place wing tips supported right dihedral angle Eye wings carefully check difference angle attack wing short wing span very important prevent roll difficulties rear floor trailing edge spar 1/16 sheet rear spar will sit too high could use t notch spar simply installed doublers around spar Drill holes wire landing gear spar glue spar place bottom outer edges LG spar should align bottom wing Use straightedge set leading edge trailing edge guide glue doublers supports around spar inside fuselage Now install ribs would have interfered sliding LG spar place rib outlines plans iron-on coverings sheet top wing did must cut ribs 1/32-in thinner drawn recommend sheeting top fabric bottom iron-ons can take abuse sheeting can retightened dented Shape leading trailing 138 Model Aviation 3 3lade RIGHT HAND TRACTOR LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS PO BOX 112 WINDSOR PROPELLER CO WINDSOR CA 95492 edges shown Note have large strong spar allows produce good airfoil shape just rounded-off edge Con tinue airfoil shape leading edge fairing smooth ends fairings nose section An emory board excellent Install torque rods elevons Note trailing edge stock installed upside down Install mini-hinges shape elevon tips match wing tips Spot glue engine bulk head place final sanding shaping entire model Dont glue engine bulkhead place permanently until radio has installed tested wish paint interior spray light coat silver before starting radio installation Attach cargo doors mini-hinges fabric hinges Seal exterior model sanding sealer Keep mind surface fullscale Shuttle textured hold back excessive coats sealer paint will add lot weight Apply white top model first mask large black areas scale appearance use satin finish paints instead gloss flat finishes Another good covering combination white Permagloss Coverite black satin polyurethane paint has realistic appearance Doing wings iron-ons small unusuallyshaped model bit challenge Mask off windshield spray trans parent blue paint Lone Ranger mask around cockpit along other black trim detail final touch borrow decals plastic kit have trying sell take best shot free-hand lettering Complete model nylon skids Williams Brothers 1-in wheels radio installion can buy make elevon mixer Shuttle lightest model transmitter mixer best able afford another radio Shuttle though would like have used subminiature like Cannon average small radio weight acceptable Dont try small Shuttle larger servos battery flying weight must under 10 ounces want enjoy flying Shuttle Mine 89 ounces comparing size shuttle first RC Space Shuttle used NASA release testing approximate scale weight model would just under two pounds Please dont try its fast enough Remember flying supposed fun launch frame made wire designed plug wing bolts strap plenty extra rubberbands along wings Sr Falcon similar installation simply have base wire frame follow leading trailing edges wing run rubberbands through wire frame Use rubber tubing cushion wire contacts wing sure route wire along solid portions wing has sheeted top plate plywood epoxied wrapped fabric reinforcements release tab nylon control horn system has worked well RC parachutist over two years push-out spring-loaded release pin allows attaching removing Shuttle need transmitter plate covered enough foam keep gentle pressure Shuttle foam cushions Shuttles ride used force Shuttle away plate Too much pressure servo will have trouble releas ing model Shuttle should ride 30 up angle compared level flight carrying model gives Shuttle necessary force pop up away release unnecessary stress model during flight have worked number release ideas simplest works best Climbing creates G forces diving puts tail higher Shuttle worst system models would stall nothing make Shuttle separate usual procedure simply chop throttle level flight release Shuttle about two seconds later point both models coasting equally plenty air speed lift Shuttle off coasting prevent carrying model flying its tail section Shuttle before Shuttle can get altitude Trying get quick pop-up springs will bind servo Any other re lease incentives completely unnecessary first flight sure match CG perfectly get plenty altitude allow self some time learn Shuttle handles Dont make sharp turns flights last about 30 seconds steep turns lot shorter Doug Pratt MA assistant editor working launching Shuttle model rocket motors hopes complete test launch 1/72-scale unit fall have invited launch mini-Shuttle Goddard Space Flight Center number rocket-powered Shuttle kits market believe first radio-controlled launch landing Shuttle Ive started drawing powered version show team work Ill doing summer Im sure someone out can beat Good luck first mission QUICK N EASY CUTOUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 Fl o Measuring Needed TO BUILD TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold adi Tools etc. Legs Removable 21 s 1 2 x 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 September 1981 139 AIRSIIIW PRESENTS BALSA STRIPPER A95 U AT YOUR DEALER PRECISION STRIP WOOD TO x INS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 p INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO III PLANESBOATSCARS MANUFACTURERS-STATIC DISPLAYS-SWAP SHOP October 234 1981 West Eight Mile Artillery Armory Oak Park Michigan
Edition: Model Aviation - 1981/09
Page Numbers: 70, 71, 72, 73, 137, 138, 139
NO OCR TEXT NO OCR TEXT raw balsa stage 1/72 scale shown drawings can carried aloft Falcon 56 using larger recommended engine one-and-a-half size double size could carried Sr Falcon similar model larger size best less experienced pilot since lighter wing loading would re duce speed glide angle would recommend smaller Shuttle novice because handfulrequiring quick de cisions careful response An ultra-light radio could allow reasonable sport flying perThe tall wire launch frame meant ensure Shuttle would clear tail car rier plane didift turn out problem shorter frame would also work well formance smaller Shuttle dont know Peanut Scale builders reading RC article let highly recommend stick-and-tissue Free Flight model Shuttle Iplan build larger model about twice size plans use pusher ducted fan engine linagine doing touch-and goes Space Shuttle Im sure Scale purist will see has some liberty taken Shuttles design Actually stand-off-Scale Its like stand-back-over-yonder-Scale Since 72 Model Aviation napsnor Win Hurts nuwe tor turst night Luther recommends two RC systems different bands receivers th same bend too close together will cause trouble Photos Dawn Luther Hux interior layout Note receiver battery covers have removed sau wugm Cut weight cansink rate fast enough homemade mixer installed tween servos elevons Move receiver forward backward balancingno ballast weight wanted Author uses Royal receiver Ace servos 0 ar Ob 05 2 E S ~4 b . S b~ ~2o 10 05cnot 100 o 0 g oooo ~0---o Welcome home CohirraI widome1L Young p 3/16 SQ Withelshow6 DOUBLER Ifftnjdderuoed3/6 PIF GfECERTiLLJQ~ NOTEuBce9O tecagodooro no BOto floor. 1/16 SHEETIBXERSERSRELEASE Sw1 RoBe4ETj I/BWig sete Vshooe floor edge cmtwniongmgPLY REAR COWL TYPICAL Lt6 CAProw RACK~\ Ruhher hhg-AV ill NOES 1/8 SHEET IONgeOSITE OF UtWgireo OENTER SE 8 peed cnleee hreoho VBPL F------two-Floor edgeT1 3/16 Sheet Floor -2 TRALPIG SroK K a72--- -- /2 FIRINGFloor oroes tectioc bvBTAPERED CAP / / -Rlhpotteon ron-or coeerlnghimdownforeheet ooowhsg /32 EY~SA inUnited States . R SFE SRfl7LE deelgeed $ awe hy Lidher Hue Uee yy flode belso utd fl phw Flying weight- 7to 0 OZ 1 C I N m -u z C w Tn C Tn Tn -u Tn 0 0 m o 0 U J te -g IeI 0 0 4-JO C 04 e U CC 0 4 -0 o 05 0 ci S. C CD 0 D Fi 0 GREY add another 10% Keep mind thrust power outputs glow engines parallel typical reciprocating fullscale aircraft engines because glow engines develop power high rpm whereas larger gas engines generate horsepower through lower rpm higher torque Thrust propor tional torque reason use speed reducers larger gas engines some Giant Scale modelseven though normal power output some large glow engines would sufficient important thing remember thrust relates maneuverability whereas power relates max imum flying speed Maneuverability final consideration does relate absolute flyability well model will duplicate prototypes ma neuver spectrum Two important character istics determine thrust/weight ratio power/weight ratio Most models can built much lighter weight required true dynamic scale still made fly like prototype Precision Scale Sport Scale enthusiasts have doing years As matter fact model lighter dynamic scale weight will land slower require less thrust equivalent thrust/weight course can now duplicate authentic landing speed bringing model little hotter have Similarly models thrust/weight greater prototype will capable shorter takeoff rollhut scale flight throttle back bit Indeed few maneuvers cannot duplicated true dynamic scale fashion airplane lighter has thrust dynamic scale values maneuvers pilot has very little inter mediate control over like spins vertical dives snap rolls Generally can conclude lightest possible model should built As long model weight less dynamic scale weight thrust/weight least large prototype model can made fly scale manner over major portion its maneuver spectrum true great number airplanes always possible generally has strike compromise between scale factor weight thrust power modeL Doing involves selecting value N scale factor estimating weight model based its size selecting engine produces thrust power required allows come up good idea what model will like given scale factor Figure range scale factors over range what practical select optimum Part III series will illustrate Space Shuttle/Hux Con finued page 73 shaping carved portions Shuttle paint markings use photos Time magazine Columbia has few changes marking over other drawings earlier Shuttles black top wing leading edge black top rudder Most display models show green-grey leading edge actual photos appear greytake pick plastic kits can provide detail would practical use flying model airfoil compromise between what would appear scale still give good performance Now have covered modifications lets build Shuttle Begin fuselage center section Cut out bulkheads cut out centers until cross-grain doublers have attached bulkhead too fragile centers removed Mark door edge cut lines both sides bulkhead cut door lines halfway through bulkhead thick ness final cut through made after center sheeted Glue bulkheads floor piece partial cuts facing inside Note angle bulkheads floor Glue pine longeron sets trying glue adjacent longerons other gap between sets hinge line doors Light pine longerons recommended stead balsa topreventwarpingofthe doors Wet side sheeting hot water glue dry side frame starting top door seam dry cut sheeting gaps between longerons complete cuts started bulkheads remove doors Tape doors back place Attach 1/16 cross grain doubler forward bulkhead careful apply glue door area Trim edges mini-saw cutout center bulkhead Assemble blocks soft balsa cut nose section Mark top side profile blocks cut band jigsaw keep blocks square table second cut September 1981 137 k/eueIF NEED6o BALSA.3t BALSA SHEETSBALSA BLOCKS 48 long24 long 4/ie4912 62 5213 86 6214 126 4Yie7422 86 4 9023 126 410833 240 6 /16BALSA STICKS 6/32 78 6 6 3/joSold packs 5 6162/16 70 70 /8~ 75 PLYWOOD 3M 95 6"48/ 110 /32 y1253M lie y136 square 70 /32 y175/16 square 75 5-ply185 square 85 /I6 y240M square 140 5-ply280 square 190 Write complete product listing Manufacturers dealers inquiries invited Special szes available Add $350 postage handling No minimum requirements NIIG NODELS INC PO BOX 396 Y MARYLAND 301 326-2554 fiOrflddO PROPELLERS Made polyester boil color Go GRISH 1 propeller True helical pitch airfoil win-power Sizes pitches styles needs AT YOUR DEALER 2 Blade Tractor 53each 545354Nc 63 64Mc 74 76 78Mc 8486 883 9496 97 98104106Nc 114116118 *1 124125126IU 2 BladePusher 544 63 6-4 Nc 86 Nc 96106 *1 3 Blade Tractor 53 63 64 Nc 3 Blade Pusher 63Nc Metallic Aluminum Color Tractor 7678$1 8688ia 96 10601fl Pusher061SO MaTcnea rerformance system TOP PERFORMANCE K&B ENGINES 16 Airplane- 4 Marine K&8 FUELSK&B GLOW PLUGS 7 Blends4 choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESINK&B SUPER POXY RESIN KaB SUPER POSY PRIMER K&B SUPER POSY PAINT K&B MIXING CUPS L place nose section back scrap just cut ofl hold place vertical cut made Note floor area nose section open interlocks floor center section Draw bulkhead outline back trimmed blocks keep carving away too HENDERTOON GRISH LARGE WOOD PROPELLERS HARDWOOD too hardr minimizes costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/8 BORE ALL SIZES IN18 $7 6 B & 10 PITCH 20 8 22 10 24 13 NEW SIZE IN S & 10 PITCH 26 $16 GRISH BROSINDIANA 46373 P1mw Quality Flying Models catalog $150 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books 4ee * STIC MODELS 3273 West 129th Street Cleveland Ohio 44111 much Carve sand away anything doesnt look like Shuttle Use plastic model published photos guide Hollow nose section about kness use high intensity lamp inside nose check thin spots Glue pine bar installing nose gear wheel y cAL PLALE 131& fETAig fLlMI 2 C- "00 W SUPOST fO L1 GO WHEIJ COOJE 1-0 BWE~11 Glue nose section place blend edges center section flat temple areas behind cockpit windows continues interrupt otherwise curved top Shuttle right back door area creates thin spot door front edge must beefed up hardwood putty balsa inside doors Glue rear cross-grain doubler rear bulkhead trim flush Mark attachment points rudder rear sectlons rear bulkhead Mini-saw cutout center bulkhead Cut rudder 3/16 sheet shape glue place Starting floor cut assemble 1/16 sheet pentagon-shaped tall section using marking rear bulkhead alignment Note rear floor angled up Cut fit engine bulkhead place glue time will need access area later Cut outline rear cowl cheeks 1 x 2 block sand shape Hollow out cowls about -in thickness Attach cowls sheet rear cowls 1/32 balsa Now wings convert freight car glider Assemble 3/8 x a wing outline flat plans Cut leading edge fairings -in sheet attach Now will notice erence between fairing leading edge Overlay leading edge trip tapers 1/32 wing tips Use glue easily carved sanded strip will cut away Hold off gluing ribs using landing gear using skids glue ribs adjacent fuselage Installing landing gear spar later difficult ribs place Make center line cuts spars separate wings Trim center wing spars dihedral angle notch floor overlap Note bottom wing should -in up bottom fuse lage floor Dont cut notch deeper wing belly model will sanded smooth curve matches dihedral after wings attached hence thick floor accommodate shaping Slot fuselage sides spars test spars dihedral angle fit Cut slots landing gear spar will using wheels wings position note bevel required leading edge fairings match dihedral sand fit flush fuselage make final adjustments spar notches until fairings fit correctly Weight fuselage down table glue wings place wing tips supported right dihedral angle Eye wings carefully check difference angle attack wing short wing span very important prevent roll difficulties rear floor trailing edge spar 1/16 sheet rear spar will sit too high could use t notch spar simply installed doublers around spar Drill holes wire landing gear spar glue spar place bottom outer edges LG spar should align bottom wing Use straightedge set leading edge trailing edge guide glue doublers supports around spar inside fuselage Now install ribs would have interfered sliding LG spar place rib outlines plans iron-on coverings sheet top wing did must cut ribs 1/32-in thinner drawn recommend sheeting top fabric bottom iron-ons can take abuse sheeting can retightened dented Shape leading trailing 138 Model Aviation 3 3lade RIGHT HAND TRACTOR LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS PO BOX 112 WINDSOR PROPELLER CO WINDSOR CA 95492 edges shown Note have large strong spar allows produce good airfoil shape just rounded-off edge Con tinue airfoil shape leading edge fairing smooth ends fairings nose section An emory board excellent Install torque rods elevons Note trailing edge stock installed upside down Install mini-hinges shape elevon tips match wing tips Spot glue engine bulk head place final sanding shaping entire model Dont glue engine bulkhead place permanently until radio has installed tested wish paint interior spray light coat silver before starting radio installation Attach cargo doors mini-hinges fabric hinges Seal exterior model sanding sealer Keep mind surface fullscale Shuttle textured hold back excessive coats sealer paint will add lot weight Apply white top model first mask large black areas scale appearance use satin finish paints instead gloss flat finishes Another good covering combination white Permagloss Coverite black satin polyurethane paint has realistic appearance Doing wings iron-ons small unusuallyshaped model bit challenge Mask off windshield spray trans parent blue paint Lone Ranger mask around cockpit along other black trim detail final touch borrow decals plastic kit have trying sell take best shot free-hand lettering Complete model nylon skids Williams Brothers 1-in wheels radio installion can buy make elevon mixer Shuttle lightest model transmitter mixer best able afford another radio Shuttle though would like have used subminiature like Cannon average small radio weight acceptable Dont try small Shuttle larger servos battery flying weight must under 10 ounces want enjoy flying Shuttle Mine 89 ounces comparing size shuttle first RC Space Shuttle used NASA release testing approximate scale weight model would just under two pounds Please dont try its fast enough Remember flying supposed fun launch frame made wire designed plug wing bolts strap plenty extra rubberbands along wings Sr Falcon similar installation simply have base wire frame follow leading trailing edges wing run rubberbands through wire frame Use rubber tubing cushion wire contacts wing sure route wire along solid portions wing has sheeted top plate plywood epoxied wrapped fabric reinforcements release tab nylon control horn system has worked well RC parachutist over two years push-out spring-loaded release pin allows attaching removing Shuttle need transmitter plate covered enough foam keep gentle pressure Shuttle foam cushions Shuttles ride used force Shuttle away plate Too much pressure servo will have trouble releas ing model Shuttle should ride 30 up angle compared level flight carrying model gives Shuttle necessary force pop up away release unnecessary stress model during flight have worked number release ideas simplest works best Climbing creates G forces diving puts tail higher Shuttle worst system models would stall nothing make Shuttle separate usual procedure simply chop throttle level flight release Shuttle about two seconds later point both models coasting equally plenty air speed lift Shuttle off coasting prevent carrying model flying its tail section Shuttle before Shuttle can get altitude Trying get quick pop-up springs will bind servo Any other re lease incentives completely unnecessary first flight sure match CG perfectly get plenty altitude allow self some time learn Shuttle handles Dont make sharp turns flights last about 30 seconds steep turns lot shorter Doug Pratt MA assistant editor working launching Shuttle model rocket motors hopes complete test launch 1/72-scale unit fall have invited launch mini-Shuttle Goddard Space Flight Center number rocket-powered Shuttle kits market believe first radio-controlled launch landing Shuttle Ive started drawing powered version show team work Ill doing summer Im sure someone out can beat Good luck first mission QUICK N EASY CUTOUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 Fl o Measuring Needed TO BUILD TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold adi Tools etc. Legs Removable 21 s 1 2 x 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 September 1981 139 AIRSIIIW PRESENTS BALSA STRIPPER A95 U AT YOUR DEALER PRECISION STRIP WOOD TO x INS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 p INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO III PLANESBOATSCARS MANUFACTURERS-STATIC DISPLAYS-SWAP SHOP October 234 1981 West Eight Mile Artillery Armory Oak Park Michigan
Edition: Model Aviation - 1981/09
Page Numbers: 70, 71, 72, 73, 137, 138, 139
NO OCR TEXT NO OCR TEXT raw balsa stage 1/72 scale shown drawings can carried aloft Falcon 56 using larger recommended engine one-and-a-half size double size could carried Sr Falcon similar model larger size best less experienced pilot since lighter wing loading would re duce speed glide angle would recommend smaller Shuttle novice because handfulrequiring quick de cisions careful response An ultra-light radio could allow reasonable sport flying perThe tall wire launch frame meant ensure Shuttle would clear tail car rier plane didift turn out problem shorter frame would also work well formance smaller Shuttle dont know Peanut Scale builders reading RC article let highly recommend stick-and-tissue Free Flight model Shuttle Iplan build larger model about twice size plans use pusher ducted fan engine linagine doing touch-and goes Space Shuttle Im sure Scale purist will see has some liberty taken Shuttles design Actually stand-off-Scale Its like stand-back-over-yonder-Scale Since 72 Model Aviation napsnor Win Hurts nuwe tor turst night Luther recommends two RC systems different bands receivers th same bend too close together will cause trouble Photos Dawn Luther Hux interior layout Note receiver battery covers have removed sau wugm Cut weight cansink rate fast enough homemade mixer installed tween servos elevons Move receiver forward backward balancingno ballast weight wanted Author uses Royal receiver Ace servos 0 ar Ob 05 2 E S ~4 b . S b~ ~2o 10 05cnot 100 o 0 g oooo ~0---o Welcome home CohirraI widome1L Young p 3/16 SQ Withelshow6 DOUBLER Ifftnjdderuoed3/6 PIF GfECERTiLLJQ~ NOTEuBce9O tecagodooro no BOto floor. 1/16 SHEETIBXERSERSRELEASE Sw1 RoBe4ETj I/BWig sete Vshooe floor edge cmtwniongmgPLY REAR COWL TYPICAL Lt6 CAProw RACK~\ Ruhher hhg-AV ill NOES 1/8 SHEET IONgeOSITE OF UtWgireo OENTER SE 8 peed cnleee hreoho VBPL F------two-Floor edgeT1 3/16 Sheet Floor -2 TRALPIG SroK K a72--- -- /2 FIRINGFloor oroes tectioc bvBTAPERED CAP / / -Rlhpotteon ron-or coeerlnghimdownforeheet ooowhsg /32 EY~SA inUnited States . R SFE SRfl7LE deelgeed $ awe hy Lidher Hue Uee yy flode belso utd fl phw Flying weight- 7to 0 OZ 1 C I N m -u z C w Tn C Tn Tn -u Tn 0 0 m o 0 U J te -g IeI 0 0 4-JO C 04 e U CC 0 4 -0 o 05 0 ci S. C CD 0 D Fi 0 GREY add another 10% Keep mind thrust power outputs glow engines parallel typical reciprocating fullscale aircraft engines because glow engines develop power high rpm whereas larger gas engines generate horsepower through lower rpm higher torque Thrust propor tional torque reason use speed reducers larger gas engines some Giant Scale modelseven though normal power output some large glow engines would sufficient important thing remember thrust relates maneuverability whereas power relates max imum flying speed Maneuverability final consideration does relate absolute flyability well model will duplicate prototypes ma neuver spectrum Two important character istics determine thrust/weight ratio power/weight ratio Most models can built much lighter weight required true dynamic scale still made fly like prototype Precision Scale Sport Scale enthusiasts have doing years As matter fact model lighter dynamic scale weight will land slower require less thrust equivalent thrust/weight course can now duplicate authentic landing speed bringing model little hotter have Similarly models thrust/weight greater prototype will capable shorter takeoff rollhut scale flight throttle back bit Indeed few maneuvers cannot duplicated true dynamic scale fashion airplane lighter has thrust dynamic scale values maneuvers pilot has very little inter mediate control over like spins vertical dives snap rolls Generally can conclude lightest possible model should built As long model weight less dynamic scale weight thrust/weight least large prototype model can made fly scale manner over major portion its maneuver spectrum true great number airplanes always possible generally has strike compromise between scale factor weight thrust power modeL Doing involves selecting value N scale factor estimating weight model based its size selecting engine produces thrust power required allows come up good idea what model will like given scale factor Figure range scale factors over range what practical select optimum Part III series will illustrate Space Shuttle/Hux Con finued page 73 shaping carved portions Shuttle paint markings use photos Time magazine Columbia has few changes marking over other drawings earlier Shuttles black top wing leading edge black top rudder Most display models show green-grey leading edge actual photos appear greytake pick plastic kits can provide detail would practical use flying model airfoil compromise between what would appear scale still give good performance Now have covered modifications lets build Shuttle Begin fuselage center section Cut out bulkheads cut out centers until cross-grain doublers have attached bulkhead too fragile centers removed Mark door edge cut lines both sides bulkhead cut door lines halfway through bulkhead thick ness final cut through made after center sheeted Glue bulkheads floor piece partial cuts facing inside Note angle bulkheads floor Glue pine longeron sets trying glue adjacent longerons other gap between sets hinge line doors Light pine longerons recommended stead balsa topreventwarpingofthe doors Wet side sheeting hot water glue dry side frame starting top door seam dry cut sheeting gaps between longerons complete cuts started bulkheads remove doors Tape doors back place Attach 1/16 cross grain doubler forward bulkhead careful apply glue door area Trim edges mini-saw cutout center bulkhead Assemble blocks soft balsa cut nose section Mark top side profile blocks cut band jigsaw keep blocks square table second cut September 1981 137 k/eueIF NEED6o BALSA.3t BALSA SHEETSBALSA BLOCKS 48 long24 long 4/ie4912 62 5213 86 6214 126 4Yie7422 86 4 9023 126 410833 240 6 /16BALSA STICKS 6/32 78 6 6 3/joSold packs 5 6162/16 70 70 /8~ 75 PLYWOOD 3M 95 6"48/ 110 /32 y1253M lie y136 square 70 /32 y175/16 square 75 5-ply185 square 85 /I6 y240M square 140 5-ply280 square 190 Write complete product listing Manufacturers dealers inquiries invited Special szes available Add $350 postage handling No minimum requirements NIIG NODELS INC PO BOX 396 Y MARYLAND 301 326-2554 fiOrflddO PROPELLERS Made polyester boil color Go GRISH 1 propeller True helical pitch airfoil win-power Sizes pitches styles needs AT YOUR DEALER 2 Blade Tractor 53each 545354Nc 63 64Mc 74 76 78Mc 8486 883 9496 97 98104106Nc 114116118 *1 124125126IU 2 BladePusher 544 63 6-4 Nc 86 Nc 96106 *1 3 Blade Tractor 53 63 64 Nc 3 Blade Pusher 63Nc Metallic Aluminum Color Tractor 7678$1 8688ia 96 10601fl Pusher061SO MaTcnea rerformance system TOP PERFORMANCE K&B ENGINES 16 Airplane- 4 Marine K&8 FUELSK&B GLOW PLUGS 7 Blends4 choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESINK&B SUPER POXY RESIN KaB SUPER POSY PRIMER K&B SUPER POSY PAINT K&B MIXING CUPS L place nose section back scrap just cut ofl hold place vertical cut made Note floor area nose section open interlocks floor center section Draw bulkhead outline back trimmed blocks keep carving away too HENDERTOON GRISH LARGE WOOD PROPELLERS HARDWOOD too hardr minimizes costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/8 BORE ALL SIZES IN18 $7 6 B & 10 PITCH 20 8 22 10 24 13 NEW SIZE IN S & 10 PITCH 26 $16 GRISH BROSINDIANA 46373 P1mw Quality Flying Models catalog $150 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books 4ee * STIC MODELS 3273 West 129th Street Cleveland Ohio 44111 much Carve sand away anything doesnt look like Shuttle Use plastic model published photos guide Hollow nose section about kness use high intensity lamp inside nose check thin spots Glue pine bar installing nose gear wheel y cAL PLALE 131& fETAig fLlMI 2 C- "00 W SUPOST fO L1 GO WHEIJ COOJE 1-0 BWE~11 Glue nose section place blend edges center section flat temple areas behind cockpit windows continues interrupt otherwise curved top Shuttle right back door area creates thin spot door front edge must beefed up hardwood putty balsa inside doors Glue rear cross-grain doubler rear bulkhead trim flush Mark attachment points rudder rear sectlons rear bulkhead Mini-saw cutout center bulkhead Cut rudder 3/16 sheet shape glue place Starting floor cut assemble 1/16 sheet pentagon-shaped tall section using marking rear bulkhead alignment Note rear floor angled up Cut fit engine bulkhead place glue time will need access area later Cut outline rear cowl cheeks 1 x 2 block sand shape Hollow out cowls about -in thickness Attach cowls sheet rear cowls 1/32 balsa Now wings convert freight car glider Assemble 3/8 x a wing outline flat plans Cut leading edge fairings -in sheet attach Now will notice erence between fairing leading edge Overlay leading edge trip tapers 1/32 wing tips Use glue easily carved sanded strip will cut away Hold off gluing ribs using landing gear using skids glue ribs adjacent fuselage Installing landing gear spar later difficult ribs place Make center line cuts spars separate wings Trim center wing spars dihedral angle notch floor overlap Note bottom wing should -in up bottom fuse lage floor Dont cut notch deeper wing belly model will sanded smooth curve matches dihedral after wings attached hence thick floor accommodate shaping Slot fuselage sides spars test spars dihedral angle fit Cut slots landing gear spar will using wheels wings position note bevel required leading edge fairings match dihedral sand fit flush fuselage make final adjustments spar notches until fairings fit correctly Weight fuselage down table glue wings place wing tips supported right dihedral angle Eye wings carefully check difference angle attack wing short wing span very important prevent roll difficulties rear floor trailing edge spar 1/16 sheet rear spar will sit too high could use t notch spar simply installed doublers around spar Drill holes wire landing gear spar glue spar place bottom outer edges LG spar should align bottom wing Use straightedge set leading edge trailing edge guide glue doublers supports around spar inside fuselage Now install ribs would have interfered sliding LG spar place rib outlines plans iron-on coverings sheet top wing did must cut ribs 1/32-in thinner drawn recommend sheeting top fabric bottom iron-ons can take abuse sheeting can retightened dented Shape leading trailing 138 Model Aviation 3 3lade RIGHT HAND TRACTOR LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS PO BOX 112 WINDSOR PROPELLER CO WINDSOR CA 95492 edges shown Note have large strong spar allows produce good airfoil shape just rounded-off edge Con tinue airfoil shape leading edge fairing smooth ends fairings nose section An emory board excellent Install torque rods elevons Note trailing edge stock installed upside down Install mini-hinges shape elevon tips match wing tips Spot glue engine bulk head place final sanding shaping entire model Dont glue engine bulkhead place permanently until radio has installed tested wish paint interior spray light coat silver before starting radio installation Attach cargo doors mini-hinges fabric hinges Seal exterior model sanding sealer Keep mind surface fullscale Shuttle textured hold back excessive coats sealer paint will add lot weight Apply white top model first mask large black areas scale appearance use satin finish paints instead gloss flat finishes Another good covering combination white Permagloss Coverite black satin polyurethane paint has realistic appearance Doing wings iron-ons small unusuallyshaped model bit challenge Mask off windshield spray trans parent blue paint Lone Ranger mask around cockpit along other black trim detail final touch borrow decals plastic kit have trying sell take best shot free-hand lettering Complete model nylon skids Williams Brothers 1-in wheels radio installion can buy make elevon mixer Shuttle lightest model transmitter mixer best able afford another radio Shuttle though would like have used subminiature like Cannon average small radio weight acceptable Dont try small Shuttle larger servos battery flying weight must under 10 ounces want enjoy flying Shuttle Mine 89 ounces comparing size shuttle first RC Space Shuttle used NASA release testing approximate scale weight model would just under two pounds Please dont try its fast enough Remember flying supposed fun launch frame made wire designed plug wing bolts strap plenty extra rubberbands along wings Sr Falcon similar installation simply have base wire frame follow leading trailing edges wing run rubberbands through wire frame Use rubber tubing cushion wire contacts wing sure route wire along solid portions wing has sheeted top plate plywood epoxied wrapped fabric reinforcements release tab nylon control horn system has worked well RC parachutist over two years push-out spring-loaded release pin allows attaching removing Shuttle need transmitter plate covered enough foam keep gentle pressure Shuttle foam cushions Shuttles ride used force Shuttle away plate Too much pressure servo will have trouble releas ing model Shuttle should ride 30 up angle compared level flight carrying model gives Shuttle necessary force pop up away release unnecessary stress model during flight have worked number release ideas simplest works best Climbing creates G forces diving puts tail higher Shuttle worst system models would stall nothing make Shuttle separate usual procedure simply chop throttle level flight release Shuttle about two seconds later point both models coasting equally plenty air speed lift Shuttle off coasting prevent carrying model flying its tail section Shuttle before Shuttle can get altitude Trying get quick pop-up springs will bind servo Any other re lease incentives completely unnecessary first flight sure match CG perfectly get plenty altitude allow self some time learn Shuttle handles Dont make sharp turns flights last about 30 seconds steep turns lot shorter Doug Pratt MA assistant editor working launching Shuttle model rocket motors hopes complete test launch 1/72-scale unit fall have invited launch mini-Shuttle Goddard Space Flight Center number rocket-powered Shuttle kits market believe first radio-controlled launch landing Shuttle Ive started drawing powered version show team work Ill doing summer Im sure someone out can beat Good luck first mission QUICK N EASY CUTOUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 Fl o Measuring Needed TO BUILD TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold adi Tools etc. Legs Removable 21 s 1 2 x 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 September 1981 139 AIRSIIIW PRESENTS BALSA STRIPPER A95 U AT YOUR DEALER PRECISION STRIP WOOD TO x INS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 p INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO III PLANESBOATSCARS MANUFACTURERS-STATIC DISPLAYS-SWAP SHOP October 234 1981 West Eight Mile Artillery Armory Oak Park Michigan
Edition: Model Aviation - 1981/09
Page Numbers: 70, 71, 72, 73, 137, 138, 139
NO OCR TEXT NO OCR TEXT raw balsa stage 1/72 scale shown drawings can carried aloft Falcon 56 using larger recommended engine one-and-a-half size double size could carried Sr Falcon similar model larger size best less experienced pilot since lighter wing loading would re duce speed glide angle would recommend smaller Shuttle novice because handfulrequiring quick de cisions careful response An ultra-light radio could allow reasonable sport flying perThe tall wire launch frame meant ensure Shuttle would clear tail car rier plane didift turn out problem shorter frame would also work well formance smaller Shuttle dont know Peanut Scale builders reading RC article let highly recommend stick-and-tissue Free Flight model Shuttle Iplan build larger model about twice size plans use pusher ducted fan engine linagine doing touch-and goes Space Shuttle Im sure Scale purist will see has some liberty taken Shuttles design Actually stand-off-Scale Its like stand-back-over-yonder-Scale Since 72 Model Aviation napsnor Win Hurts nuwe tor turst night Luther recommends two RC systems different bands receivers th same bend too close together will cause trouble Photos Dawn Luther Hux interior layout Note receiver battery covers have removed sau wugm Cut weight cansink rate fast enough homemade mixer installed tween servos elevons Move receiver forward backward balancingno ballast weight wanted Author uses Royal receiver Ace servos 0 ar Ob 05 2 E S ~4 b . S b~ ~2o 10 05cnot 100 o 0 g oooo ~0---o Welcome home CohirraI widome1L Young p 3/16 SQ Withelshow6 DOUBLER Ifftnjdderuoed3/6 PIF GfECERTiLLJQ~ NOTEuBce9O tecagodooro no BOto floor. 1/16 SHEETIBXERSERSRELEASE Sw1 RoBe4ETj I/BWig sete Vshooe floor edge cmtwniongmgPLY REAR COWL TYPICAL Lt6 CAProw RACK~\ Ruhher hhg-AV ill NOES 1/8 SHEET IONgeOSITE OF UtWgireo OENTER SE 8 peed cnleee hreoho VBPL F------two-Floor edgeT1 3/16 Sheet Floor -2 TRALPIG SroK K a72--- -- /2 FIRINGFloor oroes tectioc bvBTAPERED CAP / / -Rlhpotteon ron-or coeerlnghimdownforeheet ooowhsg /32 EY~SA inUnited States . R SFE SRfl7LE deelgeed $ awe hy Lidher Hue Uee yy flode belso utd fl phw Flying weight- 7to 0 OZ 1 C I N m -u z C w Tn C Tn Tn -u Tn 0 0 m o 0 U J te -g IeI 0 0 4-JO C 04 e U CC 0 4 -0 o 05 0 ci S. C CD 0 D Fi 0 GREY add another 10% Keep mind thrust power outputs glow engines parallel typical reciprocating fullscale aircraft engines because glow engines develop power high rpm whereas larger gas engines generate horsepower through lower rpm higher torque Thrust propor tional torque reason use speed reducers larger gas engines some Giant Scale modelseven though normal power output some large glow engines would sufficient important thing remember thrust relates maneuverability whereas power relates max imum flying speed Maneuverability final consideration does relate absolute flyability well model will duplicate prototypes ma neuver spectrum Two important character istics determine thrust/weight ratio power/weight ratio Most models can built much lighter weight required true dynamic scale still made fly like prototype Precision Scale Sport Scale enthusiasts have doing years As matter fact model lighter dynamic scale weight will land slower require less thrust equivalent thrust/weight course can now duplicate authentic landing speed bringing model little hotter have Similarly models thrust/weight greater prototype will capable shorter takeoff rollhut scale flight throttle back bit Indeed few maneuvers cannot duplicated true dynamic scale fashion airplane lighter has thrust dynamic scale values maneuvers pilot has very little inter mediate control over like spins vertical dives snap rolls Generally can conclude lightest possible model should built As long model weight less dynamic scale weight thrust/weight least large prototype model can made fly scale manner over major portion its maneuver spectrum true great number airplanes always possible generally has strike compromise between scale factor weight thrust power modeL Doing involves selecting value N scale factor estimating weight model based its size selecting engine produces thrust power required allows come up good idea what model will like given scale factor Figure range scale factors over range what practical select optimum Part III series will illustrate Space Shuttle/Hux Con finued page 73 shaping carved portions Shuttle paint markings use photos Time magazine Columbia has few changes marking over other drawings earlier Shuttles black top wing leading edge black top rudder Most display models show green-grey leading edge actual photos appear greytake pick plastic kits can provide detail would practical use flying model airfoil compromise between what would appear scale still give good performance Now have covered modifications lets build Shuttle Begin fuselage center section Cut out bulkheads cut out centers until cross-grain doublers have attached bulkhead too fragile centers removed Mark door edge cut lines both sides bulkhead cut door lines halfway through bulkhead thick ness final cut through made after center sheeted Glue bulkheads floor piece partial cuts facing inside Note angle bulkheads floor Glue pine longeron sets trying glue adjacent longerons other gap between sets hinge line doors Light pine longerons recommended stead balsa topreventwarpingofthe doors Wet side sheeting hot water glue dry side frame starting top door seam dry cut sheeting gaps between longerons complete cuts started bulkheads remove doors Tape doors back place Attach 1/16 cross grain doubler forward bulkhead careful apply glue door area Trim edges mini-saw cutout center bulkhead Assemble blocks soft balsa cut nose section Mark top side profile blocks cut band jigsaw keep blocks square table second cut September 1981 137 k/eueIF NEED6o BALSA.3t BALSA SHEETSBALSA BLOCKS 48 long24 long 4/ie4912 62 5213 86 6214 126 4Yie7422 86 4 9023 126 410833 240 6 /16BALSA STICKS 6/32 78 6 6 3/joSold packs 5 6162/16 70 70 /8~ 75 PLYWOOD 3M 95 6"48/ 110 /32 y1253M lie y136 square 70 /32 y175/16 square 75 5-ply185 square 85 /I6 y240M square 140 5-ply280 square 190 Write complete product listing Manufacturers dealers inquiries invited Special szes available Add $350 postage handling No minimum requirements NIIG NODELS INC PO BOX 396 Y MARYLAND 301 326-2554 fiOrflddO PROPELLERS Made polyester boil color Go GRISH 1 propeller True helical pitch airfoil win-power Sizes pitches styles needs AT YOUR DEALER 2 Blade Tractor 53each 545354Nc 63 64Mc 74 76 78Mc 8486 883 9496 97 98104106Nc 114116118 *1 124125126IU 2 BladePusher 544 63 6-4 Nc 86 Nc 96106 *1 3 Blade Tractor 53 63 64 Nc 3 Blade Pusher 63Nc Metallic Aluminum Color Tractor 7678$1 8688ia 96 10601fl Pusher061SO MaTcnea rerformance system TOP PERFORMANCE K&B ENGINES 16 Airplane- 4 Marine K&8 FUELSK&B GLOW PLUGS 7 Blends4 choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESINK&B SUPER POXY RESIN KaB SUPER POSY PRIMER K&B SUPER POSY PAINT K&B MIXING CUPS L place nose section back scrap just cut ofl hold place vertical cut made Note floor area nose section open interlocks floor center section Draw bulkhead outline back trimmed blocks keep carving away too HENDERTOON GRISH LARGE WOOD PROPELLERS HARDWOOD too hardr minimizes costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/8 BORE ALL SIZES IN18 $7 6 B & 10 PITCH 20 8 22 10 24 13 NEW SIZE IN S & 10 PITCH 26 $16 GRISH BROSINDIANA 46373 P1mw Quality Flying Models catalog $150 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books 4ee * STIC MODELS 3273 West 129th Street Cleveland Ohio 44111 much Carve sand away anything doesnt look like Shuttle Use plastic model published photos guide Hollow nose section about kness use high intensity lamp inside nose check thin spots Glue pine bar installing nose gear wheel y cAL PLALE 131& fETAig fLlMI 2 C- "00 W SUPOST fO L1 GO WHEIJ COOJE 1-0 BWE~11 Glue nose section place blend edges center section flat temple areas behind cockpit windows continues interrupt otherwise curved top Shuttle right back door area creates thin spot door front edge must beefed up hardwood putty balsa inside doors Glue rear cross-grain doubler rear bulkhead trim flush Mark attachment points rudder rear sectlons rear bulkhead Mini-saw cutout center bulkhead Cut rudder 3/16 sheet shape glue place Starting floor cut assemble 1/16 sheet pentagon-shaped tall section using marking rear bulkhead alignment Note rear floor angled up Cut fit engine bulkhead place glue time will need access area later Cut outline rear cowl cheeks 1 x 2 block sand shape Hollow out cowls about -in thickness Attach cowls sheet rear cowls 1/32 balsa Now wings convert freight car glider Assemble 3/8 x a wing outline flat plans Cut leading edge fairings -in sheet attach Now will notice erence between fairing leading edge Overlay leading edge trip tapers 1/32 wing tips Use glue easily carved sanded strip will cut away Hold off gluing ribs using landing gear using skids glue ribs adjacent fuselage Installing landing gear spar later difficult ribs place Make center line cuts spars separate wings Trim center wing spars dihedral angle notch floor overlap Note bottom wing should -in up bottom fuse lage floor Dont cut notch deeper wing belly model will sanded smooth curve matches dihedral after wings attached hence thick floor accommodate shaping Slot fuselage sides spars test spars dihedral angle fit Cut slots landing gear spar will using wheels wings position note bevel required leading edge fairings match dihedral sand fit flush fuselage make final adjustments spar notches until fairings fit correctly Weight fuselage down table glue wings place wing tips supported right dihedral angle Eye wings carefully check difference angle attack wing short wing span very important prevent roll difficulties rear floor trailing edge spar 1/16 sheet rear spar will sit too high could use t notch spar simply installed doublers around spar Drill holes wire landing gear spar glue spar place bottom outer edges LG spar should align bottom wing Use straightedge set leading edge trailing edge guide glue doublers supports around spar inside fuselage Now install ribs would have interfered sliding LG spar place rib outlines plans iron-on coverings sheet top wing did must cut ribs 1/32-in thinner drawn recommend sheeting top fabric bottom iron-ons can take abuse sheeting can retightened dented Shape leading trailing 138 Model Aviation 3 3lade RIGHT HAND TRACTOR LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS PO BOX 112 WINDSOR PROPELLER CO WINDSOR CA 95492 edges shown Note have large strong spar allows produce good airfoil shape just rounded-off edge Con tinue airfoil shape leading edge fairing smooth ends fairings nose section An emory board excellent Install torque rods elevons Note trailing edge stock installed upside down Install mini-hinges shape elevon tips match wing tips Spot glue engine bulk head place final sanding shaping entire model Dont glue engine bulkhead place permanently until radio has installed tested wish paint interior spray light coat silver before starting radio installation Attach cargo doors mini-hinges fabric hinges Seal exterior model sanding sealer Keep mind surface fullscale Shuttle textured hold back excessive coats sealer paint will add lot weight Apply white top model first mask large black areas scale appearance use satin finish paints instead gloss flat finishes Another good covering combination white Permagloss Coverite black satin polyurethane paint has realistic appearance Doing wings iron-ons small unusuallyshaped model bit challenge Mask off windshield spray trans parent blue paint Lone Ranger mask around cockpit along other black trim detail final touch borrow decals plastic kit have trying sell take best shot free-hand lettering Complete model nylon skids Williams Brothers 1-in wheels radio installion can buy make elevon mixer Shuttle lightest model transmitter mixer best able afford another radio Shuttle though would like have used subminiature like Cannon average small radio weight acceptable Dont try small Shuttle larger servos battery flying weight must under 10 ounces want enjoy flying Shuttle Mine 89 ounces comparing size shuttle first RC Space Shuttle used NASA release testing approximate scale weight model would just under two pounds Please dont try its fast enough Remember flying supposed fun launch frame made wire designed plug wing bolts strap plenty extra rubberbands along wings Sr Falcon similar installation simply have base wire frame follow leading trailing edges wing run rubberbands through wire frame Use rubber tubing cushion wire contacts wing sure route wire along solid portions wing has sheeted top plate plywood epoxied wrapped fabric reinforcements release tab nylon control horn system has worked well RC parachutist over two years push-out spring-loaded release pin allows attaching removing Shuttle need transmitter plate covered enough foam keep gentle pressure Shuttle foam cushions Shuttles ride used force Shuttle away plate Too much pressure servo will have trouble releas ing model Shuttle should ride 30 up angle compared level flight carrying model gives Shuttle necessary force pop up away release unnecessary stress model during flight have worked number release ideas simplest works best Climbing creates G forces diving puts tail higher Shuttle worst system models would stall nothing make Shuttle separate usual procedure simply chop throttle level flight release Shuttle about two seconds later point both models coasting equally plenty air speed lift Shuttle off coasting prevent carrying model flying its tail section Shuttle before Shuttle can get altitude Trying get quick pop-up springs will bind servo Any other re lease incentives completely unnecessary first flight sure match CG perfectly get plenty altitude allow self some time learn Shuttle handles Dont make sharp turns flights last about 30 seconds steep turns lot shorter Doug Pratt MA assistant editor working launching Shuttle model rocket motors hopes complete test launch 1/72-scale unit fall have invited launch mini-Shuttle Goddard Space Flight Center number rocket-powered Shuttle kits market believe first radio-controlled launch landing Shuttle Ive started drawing powered version show team work Ill doing summer Im sure someone out can beat Good luck first mission QUICK N EASY CUTOUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 Fl o Measuring Needed TO BUILD TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold adi Tools etc. Legs Removable 21 s 1 2 x 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 September 1981 139 AIRSIIIW PRESENTS BALSA STRIPPER A95 U AT YOUR DEALER PRECISION STRIP WOOD TO x INS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 p INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO III PLANESBOATSCARS MANUFACTURERS-STATIC DISPLAYS-SWAP SHOP October 234 1981 West Eight Mile Artillery Armory Oak Park Michigan
Edition: Model Aviation - 1981/09
Page Numbers: 70, 71, 72, 73, 137, 138, 139
NO OCR TEXT NO OCR TEXT raw balsa stage 1/72 scale shown drawings can carried aloft Falcon 56 using larger recommended engine one-and-a-half size double size could carried Sr Falcon similar model larger size best less experienced pilot since lighter wing loading would re duce speed glide angle would recommend smaller Shuttle novice because handfulrequiring quick de cisions careful response An ultra-light radio could allow reasonable sport flying perThe tall wire launch frame meant ensure Shuttle would clear tail car rier plane didift turn out problem shorter frame would also work well formance smaller Shuttle dont know Peanut Scale builders reading RC article let highly recommend stick-and-tissue Free Flight model Shuttle Iplan build larger model about twice size plans use pusher ducted fan engine linagine doing touch-and goes Space Shuttle Im sure Scale purist will see has some liberty taken Shuttles design Actually stand-off-Scale Its like stand-back-over-yonder-Scale Since 72 Model Aviation napsnor Win Hurts nuwe tor turst night Luther recommends two RC systems different bands receivers th same bend too close together will cause trouble Photos Dawn Luther Hux interior layout Note receiver battery covers have removed sau wugm Cut weight cansink rate fast enough homemade mixer installed tween servos elevons Move receiver forward backward balancingno ballast weight wanted Author uses Royal receiver Ace servos 0 ar Ob 05 2 E S ~4 b . S b~ ~2o 10 05cnot 100 o 0 g oooo ~0---o Welcome home CohirraI widome1L Young p 3/16 SQ Withelshow6 DOUBLER Ifftnjdderuoed3/6 PIF GfECERTiLLJQ~ NOTEuBce9O tecagodooro no BOto floor. 1/16 SHEETIBXERSERSRELEASE Sw1 RoBe4ETj I/BWig sete Vshooe floor edge cmtwniongmgPLY REAR COWL TYPICAL Lt6 CAProw RACK~\ Ruhher hhg-AV ill NOES 1/8 SHEET IONgeOSITE OF UtWgireo OENTER SE 8 peed cnleee hreoho VBPL F------two-Floor edgeT1 3/16 Sheet Floor -2 TRALPIG SroK K a72--- -- /2 FIRINGFloor oroes tectioc bvBTAPERED CAP / / -Rlhpotteon ron-or coeerlnghimdownforeheet ooowhsg /32 EY~SA inUnited States . R SFE SRfl7LE deelgeed $ awe hy Lidher Hue Uee yy flode belso utd fl phw Flying weight- 7to 0 OZ 1 C I N m -u z C w Tn C Tn Tn -u Tn 0 0 m o 0 U J te -g IeI 0 0 4-JO C 04 e U CC 0 4 -0 o 05 0 ci S. C CD 0 D Fi 0 GREY add another 10% Keep mind thrust power outputs glow engines parallel typical reciprocating fullscale aircraft engines because glow engines develop power high rpm whereas larger gas engines generate horsepower through lower rpm higher torque Thrust propor tional torque reason use speed reducers larger gas engines some Giant Scale modelseven though normal power output some large glow engines would sufficient important thing remember thrust relates maneuverability whereas power relates max imum flying speed Maneuverability final consideration does relate absolute flyability well model will duplicate prototypes ma neuver spectrum Two important character istics determine thrust/weight ratio power/weight ratio Most models can built much lighter weight required true dynamic scale still made fly like prototype Precision Scale Sport Scale enthusiasts have doing years As matter fact model lighter dynamic scale weight will land slower require less thrust equivalent thrust/weight course can now duplicate authentic landing speed bringing model little hotter have Similarly models thrust/weight greater prototype will capable shorter takeoff rollhut scale flight throttle back bit Indeed few maneuvers cannot duplicated true dynamic scale fashion airplane lighter has thrust dynamic scale values maneuvers pilot has very little inter mediate control over like spins vertical dives snap rolls Generally can conclude lightest possible model should built As long model weight less dynamic scale weight thrust/weight least large prototype model can made fly scale manner over major portion its maneuver spectrum true great number airplanes always possible generally has strike compromise between scale factor weight thrust power modeL Doing involves selecting value N scale factor estimating weight model based its size selecting engine produces thrust power required allows come up good idea what model will like given scale factor Figure range scale factors over range what practical select optimum Part III series will illustrate Space Shuttle/Hux Con finued page 73 shaping carved portions Shuttle paint markings use photos Time magazine Columbia has few changes marking over other drawings earlier Shuttles black top wing leading edge black top rudder Most display models show green-grey leading edge actual photos appear greytake pick plastic kits can provide detail would practical use flying model airfoil compromise between what would appear scale still give good performance Now have covered modifications lets build Shuttle Begin fuselage center section Cut out bulkheads cut out centers until cross-grain doublers have attached bulkhead too fragile centers removed Mark door edge cut lines both sides bulkhead cut door lines halfway through bulkhead thick ness final cut through made after center sheeted Glue bulkheads floor piece partial cuts facing inside Note angle bulkheads floor Glue pine longeron sets trying glue adjacent longerons other gap between sets hinge line doors Light pine longerons recommended stead balsa topreventwarpingofthe doors Wet side sheeting hot water glue dry side frame starting top door seam dry cut sheeting gaps between longerons complete cuts started bulkheads remove doors Tape doors back place Attach 1/16 cross grain doubler forward bulkhead careful apply glue door area Trim edges mini-saw cutout center bulkhead Assemble blocks soft balsa cut nose section Mark top side profile blocks cut band jigsaw keep blocks square table second cut September 1981 137 k/eueIF NEED6o BALSA.3t BALSA SHEETSBALSA BLOCKS 48 long24 long 4/ie4912 62 5213 86 6214 126 4Yie7422 86 4 9023 126 410833 240 6 /16BALSA STICKS 6/32 78 6 6 3/joSold packs 5 6162/16 70 70 /8~ 75 PLYWOOD 3M 95 6"48/ 110 /32 y1253M lie y136 square 70 /32 y175/16 square 75 5-ply185 square 85 /I6 y240M square 140 5-ply280 square 190 Write complete product listing Manufacturers dealers inquiries invited Special szes available Add $350 postage handling No minimum requirements NIIG NODELS INC PO BOX 396 Y MARYLAND 301 326-2554 fiOrflddO PROPELLERS Made polyester boil color Go GRISH 1 propeller True helical pitch airfoil win-power Sizes pitches styles needs AT YOUR DEALER 2 Blade Tractor 53each 545354Nc 63 64Mc 74 76 78Mc 8486 883 9496 97 98104106Nc 114116118 *1 124125126IU 2 BladePusher 544 63 6-4 Nc 86 Nc 96106 *1 3 Blade Tractor 53 63 64 Nc 3 Blade Pusher 63Nc Metallic Aluminum Color Tractor 7678$1 8688ia 96 10601fl Pusher061SO MaTcnea rerformance system TOP PERFORMANCE K&B ENGINES 16 Airplane- 4 Marine K&8 FUELSK&B GLOW PLUGS 7 Blends4 choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESINK&B SUPER POXY RESIN KaB SUPER POSY PRIMER K&B SUPER POSY PAINT K&B MIXING CUPS L place nose section back scrap just cut ofl hold place vertical cut made Note floor area nose section open interlocks floor center section Draw bulkhead outline back trimmed blocks keep carving away too HENDERTOON GRISH LARGE WOOD PROPELLERS HARDWOOD too hardr minimizes costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/8 BORE ALL SIZES IN18 $7 6 B & 10 PITCH 20 8 22 10 24 13 NEW SIZE IN S & 10 PITCH 26 $16 GRISH BROSINDIANA 46373 P1mw Quality Flying Models catalog $150 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books 4ee * STIC MODELS 3273 West 129th Street Cleveland Ohio 44111 much Carve sand away anything doesnt look like Shuttle Use plastic model published photos guide Hollow nose section about kness use high intensity lamp inside nose check thin spots Glue pine bar installing nose gear wheel y cAL PLALE 131& fETAig fLlMI 2 C- "00 W SUPOST fO L1 GO WHEIJ COOJE 1-0 BWE~11 Glue nose section place blend edges center section flat temple areas behind cockpit windows continues interrupt otherwise curved top Shuttle right back door area creates thin spot door front edge must beefed up hardwood putty balsa inside doors Glue rear cross-grain doubler rear bulkhead trim flush Mark attachment points rudder rear sectlons rear bulkhead Mini-saw cutout center bulkhead Cut rudder 3/16 sheet shape glue place Starting floor cut assemble 1/16 sheet pentagon-shaped tall section using marking rear bulkhead alignment Note rear floor angled up Cut fit engine bulkhead place glue time will need access area later Cut outline rear cowl cheeks 1 x 2 block sand shape Hollow out cowls about -in thickness Attach cowls sheet rear cowls 1/32 balsa Now wings convert freight car glider Assemble 3/8 x a wing outline flat plans Cut leading edge fairings -in sheet attach Now will notice erence between fairing leading edge Overlay leading edge trip tapers 1/32 wing tips Use glue easily carved sanded strip will cut away Hold off gluing ribs using landing gear using skids glue ribs adjacent fuselage Installing landing gear spar later difficult ribs place Make center line cuts spars separate wings Trim center wing spars dihedral angle notch floor overlap Note bottom wing should -in up bottom fuse lage floor Dont cut notch deeper wing belly model will sanded smooth curve matches dihedral after wings attached hence thick floor accommodate shaping Slot fuselage sides spars test spars dihedral angle fit Cut slots landing gear spar will using wheels wings position note bevel required leading edge fairings match dihedral sand fit flush fuselage make final adjustments spar notches until fairings fit correctly Weight fuselage down table glue wings place wing tips supported right dihedral angle Eye wings carefully check difference angle attack wing short wing span very important prevent roll difficulties rear floor trailing edge spar 1/16 sheet rear spar will sit too high could use t notch spar simply installed doublers around spar Drill holes wire landing gear spar glue spar place bottom outer edges LG spar should align bottom wing Use straightedge set leading edge trailing edge guide glue doublers supports around spar inside fuselage Now install ribs would have interfered sliding LG spar place rib outlines plans iron-on coverings sheet top wing did must cut ribs 1/32-in thinner drawn recommend sheeting top fabric bottom iron-ons can take abuse sheeting can retightened dented Shape leading trailing 138 Model Aviation 3 3lade RIGHT HAND TRACTOR LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS PO BOX 112 WINDSOR PROPELLER CO WINDSOR CA 95492 edges shown Note have large strong spar allows produce good airfoil shape just rounded-off edge Con tinue airfoil shape leading edge fairing smooth ends fairings nose section An emory board excellent Install torque rods elevons Note trailing edge stock installed upside down Install mini-hinges shape elevon tips match wing tips Spot glue engine bulk head place final sanding shaping entire model Dont glue engine bulkhead place permanently until radio has installed tested wish paint interior spray light coat silver before starting radio installation Attach cargo doors mini-hinges fabric hinges Seal exterior model sanding sealer Keep mind surface fullscale Shuttle textured hold back excessive coats sealer paint will add lot weight Apply white top model first mask large black areas scale appearance use satin finish paints instead gloss flat finishes Another good covering combination white Permagloss Coverite black satin polyurethane paint has realistic appearance Doing wings iron-ons small unusuallyshaped model bit challenge Mask off windshield spray trans parent blue paint Lone Ranger mask around cockpit along other black trim detail final touch borrow decals plastic kit have trying sell take best shot free-hand lettering Complete model nylon skids Williams Brothers 1-in wheels radio installion can buy make elevon mixer Shuttle lightest model transmitter mixer best able afford another radio Shuttle though would like have used subminiature like Cannon average small radio weight acceptable Dont try small Shuttle larger servos battery flying weight must under 10 ounces want enjoy flying Shuttle Mine 89 ounces comparing size shuttle first RC Space Shuttle used NASA release testing approximate scale weight model would just under two pounds Please dont try its fast enough Remember flying supposed fun launch frame made wire designed plug wing bolts strap plenty extra rubberbands along wings Sr Falcon similar installation simply have base wire frame follow leading trailing edges wing run rubberbands through wire frame Use rubber tubing cushion wire contacts wing sure route wire along solid portions wing has sheeted top plate plywood epoxied wrapped fabric reinforcements release tab nylon control horn system has worked well RC parachutist over two years push-out spring-loaded release pin allows attaching removing Shuttle need transmitter plate covered enough foam keep gentle pressure Shuttle foam cushions Shuttles ride used force Shuttle away plate Too much pressure servo will have trouble releas ing model Shuttle should ride 30 up angle compared level flight carrying model gives Shuttle necessary force pop up away release unnecessary stress model during flight have worked number release ideas simplest works best Climbing creates G forces diving puts tail higher Shuttle worst system models would stall nothing make Shuttle separate usual procedure simply chop throttle level flight release Shuttle about two seconds later point both models coasting equally plenty air speed lift Shuttle off coasting prevent carrying model flying its tail section Shuttle before Shuttle can get altitude Trying get quick pop-up springs will bind servo Any other re lease incentives completely unnecessary first flight sure match CG perfectly get plenty altitude allow self some time learn Shuttle handles Dont make sharp turns flights last about 30 seconds steep turns lot shorter Doug Pratt MA assistant editor working launching Shuttle model rocket motors hopes complete test launch 1/72-scale unit fall have invited launch mini-Shuttle Goddard Space Flight Center number rocket-powered Shuttle kits market believe first radio-controlled launch landing Shuttle Ive started drawing powered version show team work Ill doing summer Im sure someone out can beat Good luck first mission QUICK N EASY CUTOUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 Fl o Measuring Needed TO BUILD TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold adi Tools etc. Legs Removable 21 s 1 2 x 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 September 1981 139 AIRSIIIW PRESENTS BALSA STRIPPER A95 U AT YOUR DEALER PRECISION STRIP WOOD TO x INS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 p INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO III PLANESBOATSCARS MANUFACTURERS-STATIC DISPLAYS-SWAP SHOP October 234 1981 West Eight Mile Artillery Armory Oak Park Michigan
Edition: Model Aviation - 1981/09
Page Numbers: 70, 71, 72, 73, 137, 138, 139
NO OCR TEXT NO OCR TEXT raw balsa stage 1/72 scale shown drawings can carried aloft Falcon 56 using larger recommended engine one-and-a-half size double size could carried Sr Falcon similar model larger size best less experienced pilot since lighter wing loading would re duce speed glide angle would recommend smaller Shuttle novice because handfulrequiring quick de cisions careful response An ultra-light radio could allow reasonable sport flying perThe tall wire launch frame meant ensure Shuttle would clear tail car rier plane didift turn out problem shorter frame would also work well formance smaller Shuttle dont know Peanut Scale builders reading RC article let highly recommend stick-and-tissue Free Flight model Shuttle Iplan build larger model about twice size plans use pusher ducted fan engine linagine doing touch-and goes Space Shuttle Im sure Scale purist will see has some liberty taken Shuttles design Actually stand-off-Scale Its like stand-back-over-yonder-Scale Since 72 Model Aviation napsnor Win Hurts nuwe tor turst night Luther recommends two RC systems different bands receivers th same bend too close together will cause trouble Photos Dawn Luther Hux interior layout Note receiver battery covers have removed sau wugm Cut weight cansink rate fast enough homemade mixer installed tween servos elevons Move receiver forward backward balancingno ballast weight wanted Author uses Royal receiver Ace servos 0 ar Ob 05 2 E S ~4 b . S b~ ~2o 10 05cnot 100 o 0 g oooo ~0---o Welcome home CohirraI widome1L Young p 3/16 SQ Withelshow6 DOUBLER Ifftnjdderuoed3/6 PIF GfECERTiLLJQ~ NOTEuBce9O tecagodooro no BOto floor. 1/16 SHEETIBXERSERSRELEASE Sw1 RoBe4ETj I/BWig sete Vshooe floor edge cmtwniongmgPLY REAR COWL TYPICAL Lt6 CAProw RACK~\ Ruhher hhg-AV ill NOES 1/8 SHEET IONgeOSITE OF UtWgireo OENTER SE 8 peed cnleee hreoho VBPL F------two-Floor edgeT1 3/16 Sheet Floor -2 TRALPIG SroK K a72--- -- /2 FIRINGFloor oroes tectioc bvBTAPERED CAP / / -Rlhpotteon ron-or coeerlnghimdownforeheet ooowhsg /32 EY~SA inUnited States . R SFE SRfl7LE deelgeed $ awe hy Lidher Hue Uee yy flode belso utd fl phw Flying weight- 7to 0 OZ 1 C I N m -u z C w Tn C Tn Tn -u Tn 0 0 m o 0 U J te -g IeI 0 0 4-JO C 04 e U CC 0 4 -0 o 05 0 ci S. C CD 0 D Fi 0 GREY add another 10% Keep mind thrust power outputs glow engines parallel typical reciprocating fullscale aircraft engines because glow engines develop power high rpm whereas larger gas engines generate horsepower through lower rpm higher torque Thrust propor tional torque reason use speed reducers larger gas engines some Giant Scale modelseven though normal power output some large glow engines would sufficient important thing remember thrust relates maneuverability whereas power relates max imum flying speed Maneuverability final consideration does relate absolute flyability well model will duplicate prototypes ma neuver spectrum Two important character istics determine thrust/weight ratio power/weight ratio Most models can built much lighter weight required true dynamic scale still made fly like prototype Precision Scale Sport Scale enthusiasts have doing years As matter fact model lighter dynamic scale weight will land slower require less thrust equivalent thrust/weight course can now duplicate authentic landing speed bringing model little hotter have Similarly models thrust/weight greater prototype will capable shorter takeoff rollhut scale flight throttle back bit Indeed few maneuvers cannot duplicated true dynamic scale fashion airplane lighter has thrust dynamic scale values maneuvers pilot has very little inter mediate control over like spins vertical dives snap rolls Generally can conclude lightest possible model should built As long model weight less dynamic scale weight thrust/weight least large prototype model can made fly scale manner over major portion its maneuver spectrum true great number airplanes always possible generally has strike compromise between scale factor weight thrust power modeL Doing involves selecting value N scale factor estimating weight model based its size selecting engine produces thrust power required allows come up good idea what model will like given scale factor Figure range scale factors over range what practical select optimum Part III series will illustrate Space Shuttle/Hux Con finued page 73 shaping carved portions Shuttle paint markings use photos Time magazine Columbia has few changes marking over other drawings earlier Shuttles black top wing leading edge black top rudder Most display models show green-grey leading edge actual photos appear greytake pick plastic kits can provide detail would practical use flying model airfoil compromise between what would appear scale still give good performance Now have covered modifications lets build Shuttle Begin fuselage center section Cut out bulkheads cut out centers until cross-grain doublers have attached bulkhead too fragile centers removed Mark door edge cut lines both sides bulkhead cut door lines halfway through bulkhead thick ness final cut through made after center sheeted Glue bulkheads floor piece partial cuts facing inside Note angle bulkheads floor Glue pine longeron sets trying glue adjacent longerons other gap between sets hinge line doors Light pine longerons recommended stead balsa topreventwarpingofthe doors Wet side sheeting hot water glue dry side frame starting top door seam dry cut sheeting gaps between longerons complete cuts started bulkheads remove doors Tape doors back place Attach 1/16 cross grain doubler forward bulkhead careful apply glue door area Trim edges mini-saw cutout center bulkhead Assemble blocks soft balsa cut nose section Mark top side profile blocks cut band jigsaw keep blocks square table second cut September 1981 137 k/eueIF NEED6o BALSA.3t BALSA SHEETSBALSA BLOCKS 48 long24 long 4/ie4912 62 5213 86 6214 126 4Yie7422 86 4 9023 126 410833 240 6 /16BALSA STICKS 6/32 78 6 6 3/joSold packs 5 6162/16 70 70 /8~ 75 PLYWOOD 3M 95 6"48/ 110 /32 y1253M lie y136 square 70 /32 y175/16 square 75 5-ply185 square 85 /I6 y240M square 140 5-ply280 square 190 Write complete product listing Manufacturers dealers inquiries invited Special szes available Add $350 postage handling No minimum requirements NIIG NODELS INC PO BOX 396 Y MARYLAND 301 326-2554 fiOrflddO PROPELLERS Made polyester boil color Go GRISH 1 propeller True helical pitch airfoil win-power Sizes pitches styles needs AT YOUR DEALER 2 Blade Tractor 53each 545354Nc 63 64Mc 74 76 78Mc 8486 883 9496 97 98104106Nc 114116118 *1 124125126IU 2 BladePusher 544 63 6-4 Nc 86 Nc 96106 *1 3 Blade Tractor 53 63 64 Nc 3 Blade Pusher 63Nc Metallic Aluminum Color Tractor 7678$1 8688ia 96 10601fl Pusher061SO MaTcnea rerformance system TOP PERFORMANCE K&B ENGINES 16 Airplane- 4 Marine K&8 FUELSK&B GLOW PLUGS 7 Blends4 choices Matched Finish System BEST APPEARANCE K&B FIBERGLASS CLOTH K&B Micro-Balloons FILLER K&B SUPER POXY RESINK&B SUPER POXY RESIN KaB SUPER POSY PRIMER K&B SUPER POSY PAINT K&B MIXING CUPS L place nose section back scrap just cut ofl hold place vertical cut made Note floor area nose section open interlocks floor center section Draw bulkhead outline back trimmed blocks keep carving away too HENDERTOON GRISH LARGE WOOD PROPELLERS HARDWOOD too hardr minimizes costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/8 BORE ALL SIZES IN18 $7 6 B & 10 PITCH 20 8 22 10 24 13 NEW SIZE IN S & 10 PITCH 26 $16 GRISH BROSINDIANA 46373 P1mw Quality Flying Models catalog $150 98 RUBBER POWER KITS plus Gliders C/L RIC Accessories Books 4ee * STIC MODELS 3273 West 129th Street Cleveland Ohio 44111 much Carve sand away anything doesnt look like Shuttle Use plastic model published photos guide Hollow nose section about kness use high intensity lamp inside nose check thin spots Glue pine bar installing nose gear wheel y cAL PLALE 131& fETAig fLlMI 2 C- "00 W SUPOST fO L1 GO WHEIJ COOJE 1-0 BWE~11 Glue nose section place blend edges center section flat temple areas behind cockpit windows continues interrupt otherwise curved top Shuttle right back door area creates thin spot door front edge must beefed up hardwood putty balsa inside doors Glue rear cross-grain doubler rear bulkhead trim flush Mark attachment points rudder rear sectlons rear bulkhead Mini-saw cutout center bulkhead Cut rudder 3/16 sheet shape glue place Starting floor cut assemble 1/16 sheet pentagon-shaped tall section using marking rear bulkhead alignment Note rear floor angled up Cut fit engine bulkhead place glue time will need access area later Cut outline rear cowl cheeks 1 x 2 block sand shape Hollow out cowls about -in thickness Attach cowls sheet rear cowls 1/32 balsa Now wings convert freight car glider Assemble 3/8 x a wing outline flat plans Cut leading edge fairings -in sheet attach Now will notice erence between fairing leading edge Overlay leading edge trip tapers 1/32 wing tips Use glue easily carved sanded strip will cut away Hold off gluing ribs using landing gear using skids glue ribs adjacent fuselage Installing landing gear spar later difficult ribs place Make center line cuts spars separate wings Trim center wing spars dihedral angle notch floor overlap Note bottom wing should -in up bottom fuse lage floor Dont cut notch deeper wing belly model will sanded smooth curve matches dihedral after wings attached hence thick floor accommodate shaping Slot fuselage sides spars test spars dihedral angle fit Cut slots landing gear spar will using wheels wings position note bevel required leading edge fairings match dihedral sand fit flush fuselage make final adjustments spar notches until fairings fit correctly Weight fuselage down table glue wings place wing tips supported right dihedral angle Eye wings carefully check difference angle attack wing short wing span very important prevent roll difficulties rear floor trailing edge spar 1/16 sheet rear spar will sit too high could use t notch spar simply installed doublers around spar Drill holes wire landing gear spar glue spar place bottom outer edges LG spar should align bottom wing Use straightedge set leading edge trailing edge guide glue doublers supports around spar inside fuselage Now install ribs would have interfered sliding LG spar place rib outlines plans iron-on coverings sheet top wing did must cut ribs 1/32-in thinner drawn recommend sheeting top fabric bottom iron-ons can take abuse sheeting can retightened dented Shape leading trailing 138 Model Aviation 3 3lade RIGHT HAND TRACTOR LEADER IN SMALL AIRFOIL TECHNOLOGY MASTER AIRSCREW IMPROVED THROUGH FOUR YEARS OF PRODUCTION THE GIF SERIES IS UNEQUALED FOR PERFORMANCE & DURABILITY AVAILABLE WORLDWIDE THROUGH 131 DISTRIBUTORS PO BOX 112 WINDSOR PROPELLER CO WINDSOR CA 95492 edges shown Note have large strong spar allows produce good airfoil shape just rounded-off edge Con tinue airfoil shape leading edge fairing smooth ends fairings nose section An emory board excellent Install torque rods elevons Note trailing edge stock installed upside down Install mini-hinges shape elevon tips match wing tips Spot glue engine bulk head place final sanding shaping entire model Dont glue engine bulkhead place permanently until radio has installed tested wish paint interior spray light coat silver before starting radio installation Attach cargo doors mini-hinges fabric hinges Seal exterior model sanding sealer Keep mind surface fullscale Shuttle textured hold back excessive coats sealer paint will add lot weight Apply white top model first mask large black areas scale appearance use satin finish paints instead gloss flat finishes Another good covering combination white Permagloss Coverite black satin polyurethane paint has realistic appearance Doing wings iron-ons small unusuallyshaped model bit challenge Mask off windshield spray trans parent blue paint Lone Ranger mask around cockpit along other black trim detail final touch borrow decals plastic kit have trying sell take best shot free-hand lettering Complete model nylon skids Williams Brothers 1-in wheels radio installion can buy make elevon mixer Shuttle lightest model transmitter mixer best able afford another radio Shuttle though would like have used subminiature like Cannon average small radio weight acceptable Dont try small Shuttle larger servos battery flying weight must under 10 ounces want enjoy flying Shuttle Mine 89 ounces comparing size shuttle first RC Space Shuttle used NASA release testing approximate scale weight model would just under two pounds Please dont try its fast enough Remember flying supposed fun launch frame made wire designed plug wing bolts strap plenty extra rubberbands along wings Sr Falcon similar installation simply have base wire frame follow leading trailing edges wing run rubberbands through wire frame Use rubber tubing cushion wire contacts wing sure route wire along solid portions wing has sheeted top plate plywood epoxied wrapped fabric reinforcements release tab nylon control horn system has worked well RC parachutist over two years push-out spring-loaded release pin allows attaching removing Shuttle need transmitter plate covered enough foam keep gentle pressure Shuttle foam cushions Shuttles ride used force Shuttle away plate Too much pressure servo will have trouble releas ing model Shuttle should ride 30 up angle compared level flight carrying model gives Shuttle necessary force pop up away release unnecessary stress model during flight have worked number release ideas simplest works best Climbing creates G forces diving puts tail higher Shuttle worst system models would stall nothing make Shuttle separate usual procedure simply chop throttle level flight release Shuttle about two seconds later point both models coasting equally plenty air speed lift Shuttle off coasting prevent carrying model flying its tail section Shuttle before Shuttle can get altitude Trying get quick pop-up springs will bind servo Any other re lease incentives completely unnecessary first flight sure match CG perfectly get plenty altitude allow self some time learn Shuttle handles Dont make sharp turns flights last about 30 seconds steep turns lot shorter Doug Pratt MA assistant editor working launching Shuttle model rocket motors hopes complete test launch 1/72-scale unit fall have invited launch mini-Shuttle Goddard Space Flight Center number rocket-powered Shuttle kits market believe first radio-controlled launch landing Shuttle Ive started drawing powered version show team work Ill doing summer Im sure someone out can beat Good luck first mission QUICK N EASY CUTOUT PATTERN-PLANS Can Cut & Assembled Evening Stand-Up Flight Box $695 Fl o Measuring Needed TO BUILD TraceCut Assemble DESIGNED TO HOLD Fuel tank Trans Starter Battery Fuse Hold adi Tools etc. Legs Removable 21 s 1 2 x 39 Send SELECT PRODUCTS PO Box 259 Palo Cedro CA 96073 September 1981 139 AIRSIIIW PRESENTS BALSA STRIPPER A95 U AT YOUR DEALER PRECISION STRIP WOOD TO x INS FROM BALSA SHEET ALSO FOR DRAFTING AND PHOTO MATS USES TYPE II BLADE SUPER TOOLGREAT PRICE WINDSOR PROPELLER CO PO BOX 112WINDSOR CA 95492 p INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO III PLANESBOATSCARS MANUFACTURERS-STATIC DISPLAYS-SWAP SHOP October 234 1981 West Eight Mile Artillery Armory Oak Park Michigan