Electric Mods Junior Clipper 35% Lots glowpowered models especially OldTimers can successfully con verted Electrics Doc Mathews de sign caught authors eye U Pancho Morris ALTHOUGH am primarily RC Sail plane ifier dabble other forms modeling both fun experience learning have always loved appearance Old-Timer designs have enjoyed experimenting electric power Several years ago threw together sort stand-way-back-and-squint Old-Timer Electric met marginal success bit blockish bulky vexy clean design used testing different motor reducer battery com binations airfoil sort Addi das ThE resulted going nuts sanding block stack ribs finally forced myself trash prevent wasting time About Model Aviation published Doc Mathews Comet Jr Clipper 35% Aba thought Some changes would needed structure engine Jr Clipper 35% weighed 18 oz Mine Electric would probably come out neighborhood 40 ozquite difference Following alterations made Whig main spar changed in-sq balsa n spruce trailing spar changed -in-sq balsa spruce same size could have made main spar in balsa Fuselage didnt use plywood firewall reinforced carbon fiber Im mounted motor hardwood rails sure weight saving would worth installed Jig 1 front vertical effort held rear motor rubberbands Y32 ply dihedral brace added hooks attached rails front center -in-sq balsa pieces between former made hold belt-drive Wi W2 also changed spruce plate turning May1987 89 Sofia Donald Morris pictured dads electric-powered version what originally small rubberpowered Comet Ciipperderivatlve Ferrite 05 Cobalt 035 recommended vuupuruIuu UII/I mujur mini ruggi uwijan aimuw coaring yiigni near tres manner aitbiude Switches visible picture radio motor arming Two views motor InstallatIon Front former built nt tne Delt drive plate snugly Rubberbands secure rear end motor B front cowl blocks carved out clear belt pulleys also mounted hold belt-drive unit held cowl blocks place via 142 ply tabs glued B tabsslip slots front cheek cowls secured screws move cheek cowls outside framework get access room rubberband hooks think would good idea widen fuselage just bit both motor access battery mounting Everything fits per origi nal plansbut just barely took lots thinking decide everything would go battery mounted through bot tom fuselage Under cabin area 346-sq cross rails added three verticals plans show Lite Ply rails servo mounts cross braces bottom moved fore aft area improve access battery landing gear mounted diagonal behind Jig 1 moved back get out way motor mount vertical Fill pieces 3mm Ute Ply added brace ply landing gear plate against bottom fuselage Jig 1 landing gear wire changed /32 used Dave Brown Lite Wheels Servos use Airtronics Micro Servos 225 mAh receiver pack mounted Lite Ply rails called original plans just bottom window servo used throw microswitch toggle motor on/off fitted Lite Ply inserts side mount both radio switch motor arming switch like have motor switch outside overrules servo-activated switch can minimize surprises top cowl consisting two layers Yn balsa laminated over three formers held tape Cut away front rear formers leaving middle motor started out Astro 075 belt drive seven-cell 1200 mAb pack the model weighs 40 oz Continued page 184 3MM UTE PLY c 3/32 PLY 18l KOWE 3/32 MUSIC WIRE Landing gearof 3/32 muslcwlrelssewfloflly topwhere pivots event shot landing Rubberbands hold forward 90 Model Aviation Left Crosapieces glued uprights just below window area battery mounting IlIgni nero see cargo motor power battery calls area usual bottom croaspieces omitted Model weighs 40 oz seven 12 Ah cells 35 oz seven 8005 NEW 4 CYCLE - SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 13677/8 146778 1567 16678 PRICE 299 3-79 479 689 989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833458179 8334568189 84566/7199 9456677199 1045667209 106W8W209 106EW219 114677778229 115W229 116EW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164N989 16678969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 75N 5N279 8I 6778 299 SERIES 400C 886777289 977/z7289 W WIDE BLADE EW EXTRA WIDE N NARROW BENTOM BROWN JR CAMPBELL COMET COVERITE DUBRO EASY BUILT MODELS ENYA FAt FLYLINE FOX- GOLDBERG GOLDEN AGE REPRO IGENE DUBOIS LOW- K&B- K&S L R - OS MAX PACTRA- PECK-POLYMER NC RFECT R N MODELS- SEAGLEN SIG STERLING- SULLIVAN SUPER TIGRE TAFFINDER TELCO TOP FLITE- TREXLER wILLIAMS & OTHERS ESTES MODEL ROCKETS 3 Send SISOO Cash Cheek Stamps Ion oon 44 page tbloid size DISCOUNT Catalog 900 illustrationsoser 700 Kits choose IMAILORDER PHONEORDER IN STORE PEN1 VILLET BONY CENTER 817KainLansdaluFa 19448 Stearman made Williams Brothers Add wheels engine propeller check whether Stearman balances shown plan needs nose weight achieve proper balance add it bit nose-heavy dont worry point Finish off lead-outs thread through holes N strut guide form eyelet ends per drawings AMA rule book Its time find field dust always fly models steel lines fly much better safe Hook up set 30-ft lines fuel tank start engine Stearman spunky flier lot fun havent treated yourself to- Control Line biplane before sure please tone down bit training flights try putting prop backwards use 35-ft lines will help slow down cutting flight performance very much Just think guys club will react tell youve just soloed Stearman thinking about taking up aerobatics crop dusting Have fun keep em flying CO-2 Airfoiler/Lidberg Continued page 81 foiler should climb left usually considered kiss death pylon model sure enough replica Air foiler climbs nicely wide left turn model exhibits tight turning ten dencies under power put shims between motor mount offset thrust line opposite turn As firm up trim settings switch liquid charge charger pointing down experiment throttle settings Most C02 replicas fly longer motor op erated somewhat less full pover dont mind telling really pleased way replica Airfoiler flew first day out am very cautious use DT fuse low-power test flights model wise precaution first three flights de thermalized about 200 ft rising after 90-sec flight its very com mon stationary thermal col umn field day seemed stay place over hour After few flights like tried ROGs dirt Airfoiler lifted off nicely although C 02-powered models ROGs always seem cost lot altitude Hope youve enjoyed latest little trip modellings history replicas enable us make examples neat models filling up workshop going broke process Soenjoyfly C02 Elec Jr Clipper/Morris Continued page 90 seven 800 mAh cells comes out 35 oz climb better lower weight total flight time less Mostly have using Kyosho prop 40 oz wing loading high about 18 oz/sq ft need keep flight speed up have some nice snaps tried float turn too slow too tight 800 mAh cells reduced weight provides less touchy flight Astro 075 have using old-style type climb much better Kyosho 360 PT motor Nice per formance both Kyosho prop reworked Top Flite 11-7 pre-release reviews both manufacturer press true ideal power package type plane wing area sounds like new Astro Cobalt 035 belt gear reducer would bring wing loading down range Sailplane providing plenty power get upstairs motor systems have used power portion flight fine glide thermaling ability suffer some what Another option would stretch wing extra bay two would probably upset purists delight true scale Texaco designs would make beautiful Electric conversions have enjoyed flying Clipper calm days letting fly Free Flight touching transmitterexcept occasional nudge bring back upwind 184 Model Aviation CHRIS THE LEADER IN COMPETITION PROPELLERS DRILL MOUNT MASTERNO LAYIMO OUT OF NOLES REQUIRED woE usIna rot DRILL MOUNT MASTER EacLualuE iTEC TUSE OOLE OUIDE SYSTEM SIVES FERFECYLY MATOtIEB NOtES EVERY TIME Toe DRILLINg JIG SOLOS T11 eNGINE MOUSY FIRMLY FOR DRILLING ANO TAPPING Two sties FRONT RESSURE FLuTES TO toto AMY ESSINI ROUST FROM 15 TO 120 DRILL MOUNT MASTER tS CAST ALUMINUM MACMIMES ANn BRIGIIT FOLISOEO MAO TO LAST 6 S Jo -ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS 4-M Company10 AMA MembershiploS Academy Aviation R&D180 Ace Radio Control8 39 Aerodrome Models Ltd178 Aerospace Composite Products49 Airtronics2 AI-Tec & Su-Pr-Line Prod154 Altech MarketingCover 3 American Jr Aircraft Co146 Applied Design Corp18 Astro Flight4 Authorized Radio Control Service36 Avio99 Quay Barber Models64 Blue Ridge Machinery & Tools159 Bolar Heli Resesarch178 Bradley Products16 Dave Brown Products47 Bru Line lncustries39 Byron Originals9495 Campbell Tools Co178 Carolina-Taffinder49 Johnnle Casburn Mfg12 Champion Models53 Cheveron177 Cleveland Model Supply20 Eric Clutton178 Coverite35 91 Cr, Hobbies49 Electronics10 51 146 53 I22 174 164-169 17 adlo51 C5 154 55 34 19 a177 51 23 171 13 Helicopters Unlimited11 HighSky178 Harry B Higley & Sons55 Historic Aviation37 Hobby Barn148-149 Hobby Horn16 Hobby Lobby International151 Hobbypoxy Products171 Hobby Woods4 Ikon Northwest Co180 Indy RO Sales Inc156-158 JC Development Co159 JTec184 Larry Jolly Model Products179 Jomar183 K&BMfg183 K&S Engineering36 K W Enterprises178 Kraft Midwest18 Kustom Kraftsmanship146 Kyosho88 Lake Enterprises172 Leisure Electronics147 EldonJLind 9o171 Lone Star Models16 MACS Products172 Matrix Enterprises Inc18 Matts Model Airplanes53 McDaniel RC Service uvia McDougal Design Co Bruce Meeson Publishing Messers Quality Model Produc Micro Mark Micro Model Engineering Micro-X- Products Model Expo Model Rectifier Corp Sid Morgan Plans Mutchlers Hobbies Navitlus Industries Northeast Aerodynamics 0S Engines PK Products Pacer Technology 0 172 Paper Airplanes Intl Pelican Enterprises Penn International ChemicalsZenith Penn Valley Hobby CenterNick Z Pica Products Polks Hobby Progress Mfg Co Pro-Tune Corp QSPRA Qantas RC Extras Radio South Rays Hobby Red Max Fuel Repla-Tech lnterntional Roamin Research Roush Manufacturing S&D Model Products SR Batteries STM Sachs hv TG bermiectors ShImports Sh Try Electric Youll like nothing like Electric Elation responding advertisers mention read about Model Aviation Cricket/Denson Continued page 107 bend around front former No 1 about Coat whole front former epoxy cowl Cricketwas painted white enamel gave two coats primer two coats gloss white Finally applied coat clear Dont forget back firewall needs fuel-proofing just much rest plane paint struts rear ends pushrods landing gear cabane struts hubs Trexler wheels painted inside cockpit two coats flat black paint Should decide include cockpit hatch will go long way toward dressing up plane hatch cover overlaps side flush top cut 1/32 aircraft plywood frame inside made -in-sq balsa will make flush inside fuselage found length 1/16 OD copper tubing hobby shop through ran piece music wire SAFE FLYING IS NO ACCIDENT May1987 185 55 A7 bottom forward sides done exactly same way Allow covering
Edition: Model Aviation - 1987/05
Page Numbers: 89, 90, 184, 185
Edition: Model Aviation - 1987/05
Page Numbers: 89, 90, 184, 185
Electric Mods Junior Clipper 35% Lots glowpowered models especially OldTimers can successfully con verted Electrics Doc Mathews de sign caught authors eye U Pancho Morris ALTHOUGH am primarily RC Sail plane ifier dabble other forms modeling both fun experience learning have always loved appearance Old-Timer designs have enjoyed experimenting electric power Several years ago threw together sort stand-way-back-and-squint Old-Timer Electric met marginal success bit blockish bulky vexy clean design used testing different motor reducer battery com binations airfoil sort Addi das ThE resulted going nuts sanding block stack ribs finally forced myself trash prevent wasting time About Model Aviation published Doc Mathews Comet Jr Clipper 35% Aba thought Some changes would needed structure engine Jr Clipper 35% weighed 18 oz Mine Electric would probably come out neighborhood 40 ozquite difference Following alterations made Whig main spar changed in-sq balsa n spruce trailing spar changed -in-sq balsa spruce same size could have made main spar in balsa Fuselage didnt use plywood firewall reinforced carbon fiber Im mounted motor hardwood rails sure weight saving would worth installed Jig 1 front vertical effort held rear motor rubberbands Y32 ply dihedral brace added hooks attached rails front center -in-sq balsa pieces between former made hold belt-drive Wi W2 also changed spruce plate turning May1987 89 Sofia Donald Morris pictured dads electric-powered version what originally small rubberpowered Comet Ciipperderivatlve Ferrite 05 Cobalt 035 recommended vuupuruIuu UII/I mujur mini ruggi uwijan aimuw coaring yiigni near tres manner aitbiude Switches visible picture radio motor arming Two views motor InstallatIon Front former built nt tne Delt drive plate snugly Rubberbands secure rear end motor B front cowl blocks carved out clear belt pulleys also mounted hold belt-drive unit held cowl blocks place via 142 ply tabs glued B tabsslip slots front cheek cowls secured screws move cheek cowls outside framework get access room rubberband hooks think would good idea widen fuselage just bit both motor access battery mounting Everything fits per origi nal plansbut just barely took lots thinking decide everything would go battery mounted through bot tom fuselage Under cabin area 346-sq cross rails added three verticals plans show Lite Ply rails servo mounts cross braces bottom moved fore aft area improve access battery landing gear mounted diagonal behind Jig 1 moved back get out way motor mount vertical Fill pieces 3mm Ute Ply added brace ply landing gear plate against bottom fuselage Jig 1 landing gear wire changed /32 used Dave Brown Lite Wheels Servos use Airtronics Micro Servos 225 mAh receiver pack mounted Lite Ply rails called original plans just bottom window servo used throw microswitch toggle motor on/off fitted Lite Ply inserts side mount both radio switch motor arming switch like have motor switch outside overrules servo-activated switch can minimize surprises top cowl consisting two layers Yn balsa laminated over three formers held tape Cut away front rear formers leaving middle motor started out Astro 075 belt drive seven-cell 1200 mAb pack the model weighs 40 oz Continued page 184 3MM UTE PLY c 3/32 PLY 18l KOWE 3/32 MUSIC WIRE Landing gearof 3/32 muslcwlrelssewfloflly topwhere pivots event shot landing Rubberbands hold forward 90 Model Aviation Left Crosapieces glued uprights just below window area battery mounting IlIgni nero see cargo motor power battery calls area usual bottom croaspieces omitted Model weighs 40 oz seven 12 Ah cells 35 oz seven 8005 NEW 4 CYCLE - SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 13677/8 146778 1567 16678 PRICE 299 3-79 479 689 989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833458179 8334568189 84566/7199 9456677199 1045667209 106W8W209 106EW219 114677778229 115W229 116EW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164N989 16678969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 75N 5N279 8I 6778 299 SERIES 400C 886777289 977/z7289 W WIDE BLADE EW EXTRA WIDE N NARROW BENTOM BROWN JR CAMPBELL COMET COVERITE DUBRO EASY BUILT MODELS ENYA FAt FLYLINE FOX- GOLDBERG GOLDEN AGE REPRO IGENE DUBOIS LOW- K&B- K&S L R - OS MAX PACTRA- PECK-POLYMER NC RFECT R N MODELS- SEAGLEN SIG STERLING- SULLIVAN SUPER TIGRE TAFFINDER TELCO TOP FLITE- TREXLER wILLIAMS & OTHERS ESTES MODEL ROCKETS 3 Send SISOO Cash Cheek Stamps Ion oon 44 page tbloid size DISCOUNT Catalog 900 illustrationsoser 700 Kits choose IMAILORDER PHONEORDER IN STORE PEN1 VILLET BONY CENTER 817KainLansdaluFa 19448 Stearman made Williams Brothers Add wheels engine propeller check whether Stearman balances shown plan needs nose weight achieve proper balance add it bit nose-heavy dont worry point Finish off lead-outs thread through holes N strut guide form eyelet ends per drawings AMA rule book Its time find field dust always fly models steel lines fly much better safe Hook up set 30-ft lines fuel tank start engine Stearman spunky flier lot fun havent treated yourself to- Control Line biplane before sure please tone down bit training flights try putting prop backwards use 35-ft lines will help slow down cutting flight performance very much Just think guys club will react tell youve just soloed Stearman thinking about taking up aerobatics crop dusting Have fun keep em flying CO-2 Airfoiler/Lidberg Continued page 81 foiler should climb left usually considered kiss death pylon model sure enough replica Air foiler climbs nicely wide left turn model exhibits tight turning ten dencies under power put shims between motor mount offset thrust line opposite turn As firm up trim settings switch liquid charge charger pointing down experiment throttle settings Most C02 replicas fly longer motor op erated somewhat less full pover dont mind telling really pleased way replica Airfoiler flew first day out am very cautious use DT fuse low-power test flights model wise precaution first three flights de thermalized about 200 ft rising after 90-sec flight its very com mon stationary thermal col umn field day seemed stay place over hour After few flights like tried ROGs dirt Airfoiler lifted off nicely although C 02-powered models ROGs always seem cost lot altitude Hope youve enjoyed latest little trip modellings history replicas enable us make examples neat models filling up workshop going broke process Soenjoyfly C02 Elec Jr Clipper/Morris Continued page 90 seven 800 mAh cells comes out 35 oz climb better lower weight total flight time less Mostly have using Kyosho prop 40 oz wing loading high about 18 oz/sq ft need keep flight speed up have some nice snaps tried float turn too slow too tight 800 mAh cells reduced weight provides less touchy flight Astro 075 have using old-style type climb much better Kyosho 360 PT motor Nice per formance both Kyosho prop reworked Top Flite 11-7 pre-release reviews both manufacturer press true ideal power package type plane wing area sounds like new Astro Cobalt 035 belt gear reducer would bring wing loading down range Sailplane providing plenty power get upstairs motor systems have used power portion flight fine glide thermaling ability suffer some what Another option would stretch wing extra bay two would probably upset purists delight true scale Texaco designs would make beautiful Electric conversions have enjoyed flying Clipper calm days letting fly Free Flight touching transmitterexcept occasional nudge bring back upwind 184 Model Aviation CHRIS THE LEADER IN COMPETITION PROPELLERS DRILL MOUNT MASTERNO LAYIMO OUT OF NOLES REQUIRED woE usIna rot DRILL MOUNT MASTER EacLualuE iTEC TUSE OOLE OUIDE SYSTEM SIVES FERFECYLY MATOtIEB NOtES EVERY TIME Toe DRILLINg JIG SOLOS T11 eNGINE MOUSY FIRMLY FOR DRILLING ANO TAPPING Two sties FRONT RESSURE FLuTES TO toto AMY ESSINI ROUST FROM 15 TO 120 DRILL MOUNT MASTER tS CAST ALUMINUM MACMIMES ANn BRIGIIT FOLISOEO MAO TO LAST 6 S Jo -ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS 4-M Company10 AMA MembershiploS Academy Aviation R&D180 Ace Radio Control8 39 Aerodrome Models Ltd178 Aerospace Composite Products49 Airtronics2 AI-Tec & Su-Pr-Line Prod154 Altech MarketingCover 3 American Jr Aircraft Co146 Applied Design Corp18 Astro Flight4 Authorized Radio Control Service36 Avio99 Quay Barber Models64 Blue Ridge Machinery & Tools159 Bolar Heli Resesarch178 Bradley Products16 Dave Brown Products47 Bru Line lncustries39 Byron Originals9495 Campbell Tools Co178 Carolina-Taffinder49 Johnnle Casburn Mfg12 Champion Models53 Cheveron177 Cleveland Model Supply20 Eric Clutton178 Coverite35 91 Cr, Hobbies49 Electronics10 51 146 53 I22 174 164-169 17 adlo51 C5 154 55 34 19 a177 51 23 171 13 Helicopters Unlimited11 HighSky178 Harry B Higley & Sons55 Historic Aviation37 Hobby Barn148-149 Hobby Horn16 Hobby Lobby International151 Hobbypoxy Products171 Hobby Woods4 Ikon Northwest Co180 Indy RO Sales Inc156-158 JC Development Co159 JTec184 Larry Jolly Model Products179 Jomar183 K&BMfg183 K&S Engineering36 K W Enterprises178 Kraft Midwest18 Kustom Kraftsmanship146 Kyosho88 Lake Enterprises172 Leisure Electronics147 EldonJLind 9o171 Lone Star Models16 MACS Products172 Matrix Enterprises Inc18 Matts Model Airplanes53 McDaniel RC Service uvia McDougal Design Co Bruce Meeson Publishing Messers Quality Model Produc Micro Mark Micro Model Engineering Micro-X- Products Model Expo Model Rectifier Corp Sid Morgan Plans Mutchlers Hobbies Navitlus Industries Northeast Aerodynamics 0S Engines PK Products Pacer Technology 0 172 Paper Airplanes Intl Pelican Enterprises Penn International ChemicalsZenith Penn Valley Hobby CenterNick Z Pica Products Polks Hobby Progress Mfg Co Pro-Tune Corp QSPRA Qantas RC Extras Radio South Rays Hobby Red Max Fuel Repla-Tech lnterntional Roamin Research Roush Manufacturing S&D Model Products SR Batteries STM Sachs hv TG bermiectors ShImports Sh Try Electric Youll like nothing like Electric Elation responding advertisers mention read about Model Aviation Cricket/Denson Continued page 107 bend around front former No 1 about Coat whole front former epoxy cowl Cricketwas painted white enamel gave two coats primer two coats gloss white Finally applied coat clear Dont forget back firewall needs fuel-proofing just much rest plane paint struts rear ends pushrods landing gear cabane struts hubs Trexler wheels painted inside cockpit two coats flat black paint Should decide include cockpit hatch will go long way toward dressing up plane hatch cover overlaps side flush top cut 1/32 aircraft plywood frame inside made -in-sq balsa will make flush inside fuselage found length 1/16 OD copper tubing hobby shop through ran piece music wire SAFE FLYING IS NO ACCIDENT May1987 185 55 A7 bottom forward sides done exactly same way Allow covering
Edition: Model Aviation - 1987/05
Page Numbers: 89, 90, 184, 185
Electric Mods Junior Clipper 35% Lots glowpowered models especially OldTimers can successfully con verted Electrics Doc Mathews de sign caught authors eye U Pancho Morris ALTHOUGH am primarily RC Sail plane ifier dabble other forms modeling both fun experience learning have always loved appearance Old-Timer designs have enjoyed experimenting electric power Several years ago threw together sort stand-way-back-and-squint Old-Timer Electric met marginal success bit blockish bulky vexy clean design used testing different motor reducer battery com binations airfoil sort Addi das ThE resulted going nuts sanding block stack ribs finally forced myself trash prevent wasting time About Model Aviation published Doc Mathews Comet Jr Clipper 35% Aba thought Some changes would needed structure engine Jr Clipper 35% weighed 18 oz Mine Electric would probably come out neighborhood 40 ozquite difference Following alterations made Whig main spar changed in-sq balsa n spruce trailing spar changed -in-sq balsa spruce same size could have made main spar in balsa Fuselage didnt use plywood firewall reinforced carbon fiber Im mounted motor hardwood rails sure weight saving would worth installed Jig 1 front vertical effort held rear motor rubberbands Y32 ply dihedral brace added hooks attached rails front center -in-sq balsa pieces between former made hold belt-drive Wi W2 also changed spruce plate turning May1987 89 Sofia Donald Morris pictured dads electric-powered version what originally small rubberpowered Comet Ciipperderivatlve Ferrite 05 Cobalt 035 recommended vuupuruIuu UII/I mujur mini ruggi uwijan aimuw coaring yiigni near tres manner aitbiude Switches visible picture radio motor arming Two views motor InstallatIon Front former built nt tne Delt drive plate snugly Rubberbands secure rear end motor B front cowl blocks carved out clear belt pulleys also mounted hold belt-drive unit held cowl blocks place via 142 ply tabs glued B tabsslip slots front cheek cowls secured screws move cheek cowls outside framework get access room rubberband hooks think would good idea widen fuselage just bit both motor access battery mounting Everything fits per origi nal plansbut just barely took lots thinking decide everything would go battery mounted through bot tom fuselage Under cabin area 346-sq cross rails added three verticals plans show Lite Ply rails servo mounts cross braces bottom moved fore aft area improve access battery landing gear mounted diagonal behind Jig 1 moved back get out way motor mount vertical Fill pieces 3mm Ute Ply added brace ply landing gear plate against bottom fuselage Jig 1 landing gear wire changed /32 used Dave Brown Lite Wheels Servos use Airtronics Micro Servos 225 mAh receiver pack mounted Lite Ply rails called original plans just bottom window servo used throw microswitch toggle motor on/off fitted Lite Ply inserts side mount both radio switch motor arming switch like have motor switch outside overrules servo-activated switch can minimize surprises top cowl consisting two layers Yn balsa laminated over three formers held tape Cut away front rear formers leaving middle motor started out Astro 075 belt drive seven-cell 1200 mAb pack the model weighs 40 oz Continued page 184 3MM UTE PLY c 3/32 PLY 18l KOWE 3/32 MUSIC WIRE Landing gearof 3/32 muslcwlrelssewfloflly topwhere pivots event shot landing Rubberbands hold forward 90 Model Aviation Left Crosapieces glued uprights just below window area battery mounting IlIgni nero see cargo motor power battery calls area usual bottom croaspieces omitted Model weighs 40 oz seven 12 Ah cells 35 oz seven 8005 NEW 4 CYCLE - SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 13677/8 146778 1567 16678 PRICE 299 3-79 479 689 989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833458179 8334568189 84566/7199 9456677199 1045667209 106W8W209 106EW219 114677778229 115W229 116EW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164N989 16678969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 75N 5N279 8I 6778 299 SERIES 400C 886777289 977/z7289 W WIDE BLADE EW EXTRA WIDE N NARROW BENTOM BROWN JR CAMPBELL COMET COVERITE DUBRO EASY BUILT MODELS ENYA FAt FLYLINE FOX- GOLDBERG GOLDEN AGE REPRO IGENE DUBOIS LOW- K&B- K&S L R - OS MAX PACTRA- PECK-POLYMER NC RFECT R N MODELS- SEAGLEN SIG STERLING- SULLIVAN SUPER TIGRE TAFFINDER TELCO TOP FLITE- TREXLER wILLIAMS & OTHERS ESTES MODEL ROCKETS 3 Send SISOO Cash Cheek Stamps Ion oon 44 page tbloid size DISCOUNT Catalog 900 illustrationsoser 700 Kits choose IMAILORDER PHONEORDER IN STORE PEN1 VILLET BONY CENTER 817KainLansdaluFa 19448 Stearman made Williams Brothers Add wheels engine propeller check whether Stearman balances shown plan needs nose weight achieve proper balance add it bit nose-heavy dont worry point Finish off lead-outs thread through holes N strut guide form eyelet ends per drawings AMA rule book Its time find field dust always fly models steel lines fly much better safe Hook up set 30-ft lines fuel tank start engine Stearman spunky flier lot fun havent treated yourself to- Control Line biplane before sure please tone down bit training flights try putting prop backwards use 35-ft lines will help slow down cutting flight performance very much Just think guys club will react tell youve just soloed Stearman thinking about taking up aerobatics crop dusting Have fun keep em flying CO-2 Airfoiler/Lidberg Continued page 81 foiler should climb left usually considered kiss death pylon model sure enough replica Air foiler climbs nicely wide left turn model exhibits tight turning ten dencies under power put shims between motor mount offset thrust line opposite turn As firm up trim settings switch liquid charge charger pointing down experiment throttle settings Most C02 replicas fly longer motor op erated somewhat less full pover dont mind telling really pleased way replica Airfoiler flew first day out am very cautious use DT fuse low-power test flights model wise precaution first three flights de thermalized about 200 ft rising after 90-sec flight its very com mon stationary thermal col umn field day seemed stay place over hour After few flights like tried ROGs dirt Airfoiler lifted off nicely although C 02-powered models ROGs always seem cost lot altitude Hope youve enjoyed latest little trip modellings history replicas enable us make examples neat models filling up workshop going broke process Soenjoyfly C02 Elec Jr Clipper/Morris Continued page 90 seven 800 mAh cells comes out 35 oz climb better lower weight total flight time less Mostly have using Kyosho prop 40 oz wing loading high about 18 oz/sq ft need keep flight speed up have some nice snaps tried float turn too slow too tight 800 mAh cells reduced weight provides less touchy flight Astro 075 have using old-style type climb much better Kyosho 360 PT motor Nice per formance both Kyosho prop reworked Top Flite 11-7 pre-release reviews both manufacturer press true ideal power package type plane wing area sounds like new Astro Cobalt 035 belt gear reducer would bring wing loading down range Sailplane providing plenty power get upstairs motor systems have used power portion flight fine glide thermaling ability suffer some what Another option would stretch wing extra bay two would probably upset purists delight true scale Texaco designs would make beautiful Electric conversions have enjoyed flying Clipper calm days letting fly Free Flight touching transmitterexcept occasional nudge bring back upwind 184 Model Aviation CHRIS THE LEADER IN COMPETITION PROPELLERS DRILL MOUNT MASTERNO LAYIMO OUT OF NOLES REQUIRED woE usIna rot DRILL MOUNT MASTER EacLualuE iTEC TUSE OOLE OUIDE SYSTEM SIVES FERFECYLY MATOtIEB NOtES EVERY TIME Toe DRILLINg JIG SOLOS T11 eNGINE MOUSY FIRMLY FOR DRILLING ANO TAPPING Two sties FRONT RESSURE FLuTES TO toto AMY ESSINI ROUST FROM 15 TO 120 DRILL MOUNT MASTER tS CAST ALUMINUM MACMIMES ANn BRIGIIT FOLISOEO MAO TO LAST 6 S Jo -ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS 4-M Company10 AMA MembershiploS Academy Aviation R&D180 Ace Radio Control8 39 Aerodrome Models Ltd178 Aerospace Composite Products49 Airtronics2 AI-Tec & Su-Pr-Line Prod154 Altech MarketingCover 3 American Jr Aircraft Co146 Applied Design Corp18 Astro Flight4 Authorized Radio Control Service36 Avio99 Quay Barber Models64 Blue Ridge Machinery & Tools159 Bolar Heli Resesarch178 Bradley Products16 Dave Brown Products47 Bru Line lncustries39 Byron Originals9495 Campbell Tools Co178 Carolina-Taffinder49 Johnnle Casburn Mfg12 Champion Models53 Cheveron177 Cleveland Model Supply20 Eric Clutton178 Coverite35 91 Cr, Hobbies49 Electronics10 51 146 53 I22 174 164-169 17 adlo51 C5 154 55 34 19 a177 51 23 171 13 Helicopters Unlimited11 HighSky178 Harry B Higley & Sons55 Historic Aviation37 Hobby Barn148-149 Hobby Horn16 Hobby Lobby International151 Hobbypoxy Products171 Hobby Woods4 Ikon Northwest Co180 Indy RO Sales Inc156-158 JC Development Co159 JTec184 Larry Jolly Model Products179 Jomar183 K&BMfg183 K&S Engineering36 K W Enterprises178 Kraft Midwest18 Kustom Kraftsmanship146 Kyosho88 Lake Enterprises172 Leisure Electronics147 EldonJLind 9o171 Lone Star Models16 MACS Products172 Matrix Enterprises Inc18 Matts Model Airplanes53 McDaniel RC Service uvia McDougal Design Co Bruce Meeson Publishing Messers Quality Model Produc Micro Mark Micro Model Engineering Micro-X- Products Model Expo Model Rectifier Corp Sid Morgan Plans Mutchlers Hobbies Navitlus Industries Northeast Aerodynamics 0S Engines PK Products Pacer Technology 0 172 Paper Airplanes Intl Pelican Enterprises Penn International ChemicalsZenith Penn Valley Hobby CenterNick Z Pica Products Polks Hobby Progress Mfg Co Pro-Tune Corp QSPRA Qantas RC Extras Radio South Rays Hobby Red Max Fuel Repla-Tech lnterntional Roamin Research Roush Manufacturing S&D Model Products SR Batteries STM Sachs hv TG bermiectors ShImports Sh Try Electric Youll like nothing like Electric Elation responding advertisers mention read about Model Aviation Cricket/Denson Continued page 107 bend around front former No 1 about Coat whole front former epoxy cowl Cricketwas painted white enamel gave two coats primer two coats gloss white Finally applied coat clear Dont forget back firewall needs fuel-proofing just much rest plane paint struts rear ends pushrods landing gear cabane struts hubs Trexler wheels painted inside cockpit two coats flat black paint Should decide include cockpit hatch will go long way toward dressing up plane hatch cover overlaps side flush top cut 1/32 aircraft plywood frame inside made -in-sq balsa will make flush inside fuselage found length 1/16 OD copper tubing hobby shop through ran piece music wire SAFE FLYING IS NO ACCIDENT May1987 185 55 A7 bottom forward sides done exactly same way Allow covering
Edition: Model Aviation - 1987/05
Page Numbers: 89, 90, 184, 185
Electric Mods Junior Clipper 35% Lots glowpowered models especially OldTimers can successfully con verted Electrics Doc Mathews de sign caught authors eye U Pancho Morris ALTHOUGH am primarily RC Sail plane ifier dabble other forms modeling both fun experience learning have always loved appearance Old-Timer designs have enjoyed experimenting electric power Several years ago threw together sort stand-way-back-and-squint Old-Timer Electric met marginal success bit blockish bulky vexy clean design used testing different motor reducer battery com binations airfoil sort Addi das ThE resulted going nuts sanding block stack ribs finally forced myself trash prevent wasting time About Model Aviation published Doc Mathews Comet Jr Clipper 35% Aba thought Some changes would needed structure engine Jr Clipper 35% weighed 18 oz Mine Electric would probably come out neighborhood 40 ozquite difference Following alterations made Whig main spar changed in-sq balsa n spruce trailing spar changed -in-sq balsa spruce same size could have made main spar in balsa Fuselage didnt use plywood firewall reinforced carbon fiber Im mounted motor hardwood rails sure weight saving would worth installed Jig 1 front vertical effort held rear motor rubberbands Y32 ply dihedral brace added hooks attached rails front center -in-sq balsa pieces between former made hold belt-drive Wi W2 also changed spruce plate turning May1987 89 Sofia Donald Morris pictured dads electric-powered version what originally small rubberpowered Comet Ciipperderivatlve Ferrite 05 Cobalt 035 recommended vuupuruIuu UII/I mujur mini ruggi uwijan aimuw coaring yiigni near tres manner aitbiude Switches visible picture radio motor arming Two views motor InstallatIon Front former built nt tne Delt drive plate snugly Rubberbands secure rear end motor B front cowl blocks carved out clear belt pulleys also mounted hold belt-drive unit held cowl blocks place via 142 ply tabs glued B tabsslip slots front cheek cowls secured screws move cheek cowls outside framework get access room rubberband hooks think would good idea widen fuselage just bit both motor access battery mounting Everything fits per origi nal plansbut just barely took lots thinking decide everything would go battery mounted through bot tom fuselage Under cabin area 346-sq cross rails added three verticals plans show Lite Ply rails servo mounts cross braces bottom moved fore aft area improve access battery landing gear mounted diagonal behind Jig 1 moved back get out way motor mount vertical Fill pieces 3mm Ute Ply added brace ply landing gear plate against bottom fuselage Jig 1 landing gear wire changed /32 used Dave Brown Lite Wheels Servos use Airtronics Micro Servos 225 mAh receiver pack mounted Lite Ply rails called original plans just bottom window servo used throw microswitch toggle motor on/off fitted Lite Ply inserts side mount both radio switch motor arming switch like have motor switch outside overrules servo-activated switch can minimize surprises top cowl consisting two layers Yn balsa laminated over three formers held tape Cut away front rear formers leaving middle motor started out Astro 075 belt drive seven-cell 1200 mAb pack the model weighs 40 oz Continued page 184 3MM UTE PLY c 3/32 PLY 18l KOWE 3/32 MUSIC WIRE Landing gearof 3/32 muslcwlrelssewfloflly topwhere pivots event shot landing Rubberbands hold forward 90 Model Aviation Left Crosapieces glued uprights just below window area battery mounting IlIgni nero see cargo motor power battery calls area usual bottom croaspieces omitted Model weighs 40 oz seven 12 Ah cells 35 oz seven 8005 NEW 4 CYCLE - SERIES 100 THP DESIGN TAILORED HELICAL PITCH DEVELOPED TO GIVE MAXIMUM THRUST AT 4 CYCLE ENGINE RPM ALL THE LATEST TECHNIQUES USED ON OUR PRO SERIES 3 SEE BELOW DIAPITCH THP 1266778 13677/8 146778 1567 16678 PRICE 299 3-79 479 689 989 NEW PRO SERIES 3 NEW HIGH TECH AIRFOIL SECTION 10T020% INCREASE IN THRUST MFG OF SELECT HARD MAPLE WOOD WILL NOT FATIGUE LIKE SYNTHETICS FUEL PROOF HIGH LUSTER FINISH DIAPITCHPRICE 534149 634149 72833458179 8334568189 84566/7199 9456677199 1045667209 106W8W209 106EW219 114677778229 115W229 116EW239 1167239 124W279 125W279 1256279 1356349 1456459 1556659 164N989 16678969 RC PYLON RACING SERIES 500 DIA PITCH PRICE 75N 5N279 8I 6778 299 SERIES 400C 886777289 977/z7289 W WIDE BLADE EW EXTRA WIDE N NARROW BENTOM BROWN JR CAMPBELL COMET COVERITE DUBRO EASY BUILT MODELS ENYA FAt FLYLINE FOX- GOLDBERG GOLDEN AGE REPRO IGENE DUBOIS LOW- K&B- K&S L R - OS MAX PACTRA- PECK-POLYMER NC RFECT R N MODELS- SEAGLEN SIG STERLING- SULLIVAN SUPER TIGRE TAFFINDER TELCO TOP FLITE- TREXLER wILLIAMS & OTHERS ESTES MODEL ROCKETS 3 Send SISOO Cash Cheek Stamps Ion oon 44 page tbloid size DISCOUNT Catalog 900 illustrationsoser 700 Kits choose IMAILORDER PHONEORDER IN STORE PEN1 VILLET BONY CENTER 817KainLansdaluFa 19448 Stearman made Williams Brothers Add wheels engine propeller check whether Stearman balances shown plan needs nose weight achieve proper balance add it bit nose-heavy dont worry point Finish off lead-outs thread through holes N strut guide form eyelet ends per drawings AMA rule book Its time find field dust always fly models steel lines fly much better safe Hook up set 30-ft lines fuel tank start engine Stearman spunky flier lot fun havent treated yourself to- Control Line biplane before sure please tone down bit training flights try putting prop backwards use 35-ft lines will help slow down cutting flight performance very much Just think guys club will react tell youve just soloed Stearman thinking about taking up aerobatics crop dusting Have fun keep em flying CO-2 Airfoiler/Lidberg Continued page 81 foiler should climb left usually considered kiss death pylon model sure enough replica Air foiler climbs nicely wide left turn model exhibits tight turning ten dencies under power put shims between motor mount offset thrust line opposite turn As firm up trim settings switch liquid charge charger pointing down experiment throttle settings Most C02 replicas fly longer motor op erated somewhat less full pover dont mind telling really pleased way replica Airfoiler flew first day out am very cautious use DT fuse low-power test flights model wise precaution first three flights de thermalized about 200 ft rising after 90-sec flight its very com mon stationary thermal col umn field day seemed stay place over hour After few flights like tried ROGs dirt Airfoiler lifted off nicely although C 02-powered models ROGs always seem cost lot altitude Hope youve enjoyed latest little trip modellings history replicas enable us make examples neat models filling up workshop going broke process Soenjoyfly C02 Elec Jr Clipper/Morris Continued page 90 seven 800 mAh cells comes out 35 oz climb better lower weight total flight time less Mostly have using Kyosho prop 40 oz wing loading high about 18 oz/sq ft need keep flight speed up have some nice snaps tried float turn too slow too tight 800 mAh cells reduced weight provides less touchy flight Astro 075 have using old-style type climb much better Kyosho 360 PT motor Nice per formance both Kyosho prop reworked Top Flite 11-7 pre-release reviews both manufacturer press true ideal power package type plane wing area sounds like new Astro Cobalt 035 belt gear reducer would bring wing loading down range Sailplane providing plenty power get upstairs motor systems have used power portion flight fine glide thermaling ability suffer some what Another option would stretch wing extra bay two would probably upset purists delight true scale Texaco designs would make beautiful Electric conversions have enjoyed flying Clipper calm days letting fly Free Flight touching transmitterexcept occasional nudge bring back upwind 184 Model Aviation CHRIS THE LEADER IN COMPETITION PROPELLERS DRILL MOUNT MASTERNO LAYIMO OUT OF NOLES REQUIRED woE usIna rot DRILL MOUNT MASTER EacLualuE iTEC TUSE OOLE OUIDE SYSTEM SIVES FERFECYLY MATOtIEB NOtES EVERY TIME Toe DRILLINg JIG SOLOS T11 eNGINE MOUSY FIRMLY FOR DRILLING ANO TAPPING Two sties FRONT RESSURE FLuTES TO toto AMY ESSINI ROUST FROM 15 TO 120 DRILL MOUNT MASTER tS CAST ALUMINUM MACMIMES ANn BRIGIIT FOLISOEO MAO TO LAST 6 S Jo -ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS 4-M Company10 AMA MembershiploS Academy Aviation R&D180 Ace Radio Control8 39 Aerodrome Models Ltd178 Aerospace Composite Products49 Airtronics2 AI-Tec & Su-Pr-Line Prod154 Altech MarketingCover 3 American Jr Aircraft Co146 Applied Design Corp18 Astro Flight4 Authorized Radio Control Service36 Avio99 Quay Barber Models64 Blue Ridge Machinery & Tools159 Bolar Heli Resesarch178 Bradley Products16 Dave Brown Products47 Bru Line lncustries39 Byron Originals9495 Campbell Tools Co178 Carolina-Taffinder49 Johnnle Casburn Mfg12 Champion Models53 Cheveron177 Cleveland Model Supply20 Eric Clutton178 Coverite35 91 Cr, Hobbies49 Electronics10 51 146 53 I22 174 164-169 17 adlo51 C5 154 55 34 19 a177 51 23 171 13 Helicopters Unlimited11 HighSky178 Harry B Higley & Sons55 Historic Aviation37 Hobby Barn148-149 Hobby Horn16 Hobby Lobby International151 Hobbypoxy Products171 Hobby Woods4 Ikon Northwest Co180 Indy RO Sales Inc156-158 JC Development Co159 JTec184 Larry Jolly Model Products179 Jomar183 K&BMfg183 K&S Engineering36 K W Enterprises178 Kraft Midwest18 Kustom Kraftsmanship146 Kyosho88 Lake Enterprises172 Leisure Electronics147 EldonJLind 9o171 Lone Star Models16 MACS Products172 Matrix Enterprises Inc18 Matts Model Airplanes53 McDaniel RC Service uvia McDougal Design Co Bruce Meeson Publishing Messers Quality Model Produc Micro Mark Micro Model Engineering Micro-X- Products Model Expo Model Rectifier Corp Sid Morgan Plans Mutchlers Hobbies Navitlus Industries Northeast Aerodynamics 0S Engines PK Products Pacer Technology 0 172 Paper Airplanes Intl Pelican Enterprises Penn International ChemicalsZenith Penn Valley Hobby CenterNick Z Pica Products Polks Hobby Progress Mfg Co Pro-Tune Corp QSPRA Qantas RC Extras Radio South Rays Hobby Red Max Fuel Repla-Tech lnterntional Roamin Research Roush Manufacturing S&D Model Products SR Batteries STM Sachs hv TG bermiectors ShImports Sh Try Electric Youll like nothing like Electric Elation responding advertisers mention read about Model Aviation Cricket/Denson Continued page 107 bend around front former No 1 about Coat whole front former epoxy cowl Cricketwas painted white enamel gave two coats primer two coats gloss white Finally applied coat clear Dont forget back firewall needs fuel-proofing just much rest plane paint struts rear ends pushrods landing gear cabane struts hubs Trexler wheels painted inside cockpit two coats flat black paint Should decide include cockpit hatch will go long way toward dressing up plane hatch cover overlaps side flush top cut 1/32 aircraft plywood frame inside made -in-sq balsa will make flush inside fuselage found length 1/16 OD copper tubing hobby shop through ran piece music wire SAFE FLYING IS NO ACCIDENT May1987 185 55 A7 bottom forward sides done exactly same way Allow covering
