IzJ1i77Y JiD3Jii Old Four-Wire Servos may gold old dusty workshop drawer Some servos yesteryear perform admirably todays needs rebuilt described hereE Pete Carr FOR THOSE look frustration dex 11 scale 1-10 side order eye strain sore neck working servos has rate high marks would anyone want rebuild old servo especially price new latest features reasonable rea son some older units tighter gears stronger motors some economy servos today impor tant someone asks what rig use can say just bits pieces will think original eccentric genius fact some projects call servo such special qualities custom-built unit way go Such case Dodgson Megan Sail plane Id built 140-in-span bird top bottom spoilers big standard servo nearly stalled opening best slow oper ate standard servo great drain airborne pack Additionally aver age contest landing called quick deploy ment spoilers well retraction appeared Quarter Scale-type servo would needed As fliers Sailplanes know space always problem Megan no exception Smaller servos werent faster strong enough big servos wouldnt fit What Continued page 177 Above Left fake circuit board 1/16 ply slipped over connector new amplifierready fitted around motor removed four-wire parts can seen below Above Right fake board positioned motor three leads feedback pot routed through notch next Below Left Foam squares used cushion amplifier board case closed making sure grommet around lead-out wires place Below Right Rebuilt servo being tested Ace Servo Cycleplenty speed lots power 100 Model Aviation DVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX &A IndustrIes25 MA Membership79 -justo-jig135 ce RC Inc135 ero Tech RC128 Irrech153 lrtronlcs2 -Tec Products Inc171 lexander & Alexander163 II Phase Art159 mericas Hobby Center37 pplled DesIgn Corp168 stro Flight128 &rHobbles130 alsa USA7 ehrens Plan Service170 ru-Line Industries28 yron Originals49 alifornia Model Imports27 arolina-Taffinder143 hnnle Casburn Mfg11 hamplon Model Products174 hevrOn14 ircus Hobbies98-99 leveland Model & Supply Co176 nc Clutton177 ondor Hobbles21 onsumers Guide RC Aircraft Prod. onsumers Hobby Corp150-151 overite17 Enterprises28 &D Engineering134 fG Products160 GA Designs26 1GM InduStries177 ohannes Daldosch131 favey Systems Corp130 arry Dodge Aero Inc176 bodgson Designs51 bugs Hobby Shop140-141 u-BrO ProductS16 177 Lastern Soaring Supplies nya Model Engines Model Supply HS Supply Inc abtronicS lite Line Products Inside Back Cover 177 4 138 143 Flyilne Models138 Fourmost Products162 Fox Mfg Co172 Futaba Corp America29 129 179 Gator RC Products154 Gemini Models148 Carl Goldberg Models15 Gorhgm Model Products167 Great Lakes Model Co139 Great Lakes Radio Control152 Great Planes Model Mfg de Front Cover 4 126 Grish Brothers9 Art Gross Enterprises161 William M Hawke24 Historic Aviation5 Hobby Barn132-1 33 Hobby Capitol Distributors176 Hobby Horn160 Hobby Lobby international6 Hobby Radio Shop22 Hobby Swap News148 Hobbypoxy Products169 Hoffelt Group161 lkonNWeSt174 indy RC Sales146-147 International Modeler Show127 J-5 Enterprises142 K&B ManufacturIng Co138 K&S Engineering26 Kin Craft130 Kings RC Hobbles Intl166-175 Kraft Systems83 Leisure Electronics158 Lone Star Models131 MACS Products131 Majestic Models134 Marks Models Master KIt144 McDanIel RC Service145 Jim Messers Quality Model ProductS Micro Mark148 Midwest Model Supply Co161 Midwest Products95 Midwest TechnIcal PublicatIons176 Model Engineering Norwalk173 Model Magic Products164 Model Products Corp148 Model Rectifier Corp1 Mutchiers Hobbles136-137 Nor-Cal AvIonics134 OhIo Superstar134 Pacer Technology & Resources180 Peck-Polymers172 PIca Products172 Dave Platt Models24 Polks Hobby45 Proctor Enterprises131 RF Enterprises170 RLF Products176 Radio Equipment Exchange176 Repla-Tech International177 Richardson PrecisIon Machining166 Ricks Kits160 Robbe Modellsport92-93 Roush Mfg Co144 158 161 155 177 126 158 10 145 22 156-157 13 144 SR Batteries S&W Hobby Supply Flite Models Salt Fork II Satellite City Scratch-A-Plane Semco Sheldons Hobby Shop Sig ManufacturIng Co St CroIx Park Falls Ltd Tatone Products Taylor-Craft Ltd Tide DistrIbutors Inc Toledo RC Exposition Top Filte Models Tower Hobbles Twlnn-K Inc VKModel Aircraft. VL Products Bob Vioiett Models WE Technical Services Williams Brothers World Engines Xpiorer EnterprIses CA ZaIc NIck ZIroli Models 159 23 145 149 165 139 153 164 168 8 14 Back Cover 139 135 14 128 Kavan flying rally Owners ot extra benefit during weekend its manufacturer Franz Kavan came West Germany daughter couple factory demonstration models plus pilot fly Kavan engines flightline got personal touch maker half-dozen demonstration flights demo planes featured plenty high-G aerobatics 90 mph low inverted passes PAW DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fort Myers Florida 33905 Frequency allocations slight problem huge attendance final count showed just under 450 flights weekend fre quently six seven ships air once no midairs two crashes recorded during event astounding glance up see sky filled airplanes hear practically no noise Spectators pilots alike commented relaxed atmosphere quiet four-stroke engines produced could sit sun watch goings-on along flightllne holding normal conver sation friends recent changes interna tional competitive rules con stant emphasis noise control looks like future four-cycle engine unllmited Right now engines coming foreign manu facturers turnout First World Engines/Hawks Four-Cycle Rally indication plenty de mand spur development domestic companies Most modeling spec tators big event went away con vinced high time get strokin' Servos/Carr Continued page 100 old proportional sets Japan OS imported World Engines back late 1960s first-quality set its day rigs era used center-tapped battery feed amplifier servosa disaster battery cell failed servos old rig designated SP-260 four wires plus minus battery signal decoder white battery center tap new rigs use three leadsno battery center tap bad cell may make servo run slowly wont make run end centertapped ones did GET ORGANIZED lore s set 4 sturdy fries holds over 4 years ot tavoote Sst t oragazroes 4 MAG FILES $495 Send 5456 yfas 5tOO postage cod hoodliog DON INDUSTRIES PO BOX 388-K DOVER NH 03820 t P0 Box 3957 Torrance CA 90510 January 1984 177 TI P-40 CARD KIT FULL COLOR EXACT REPRODUCTION #V NOW $500REMEMBER HOW ONLYWELL THEY FLEW A~As5easIaI often nolod. onopen tanafnfeg I______ anna nI nf half pdoa SOnd FIR ffodalnP 0 Boo 02 Aeanlfl. Mi 48060 L ~dfAh.P1ONIOIJE NOSTALGIC GFT CUSTOM FOAM WINGS d TAILS CUSTOM SAILPLANE W/NGSd TAILS SPRAY ADHESIVES FIBERGLASS FUSELAGES i-Il STARTS BALSA d PLYWOOD SEND 508 d 10 SASE FOR INFO ESS BOX 437 LEMONT PA 16851 SCALE DOCUMENTATION/ SCALE DRAWINGS MODEL PLANS APHOTOS BOOKS ~/EPLA-TECH 1984 AIRPLANE INIEyrATIONA CATALOG48500 MC KENZIE HWY S3OOVIDA OREGON 97488 21 Old Time uas 12 HI Gliders 11 Contest Rubber Send SOC for4 Satellite Kits 82/83 catalog3 Nastalgia Power Pacifiers & LOTS OF GOCO STUFF FAI Model Supply 0 Circlenumbers plans wish toorder I131193225239262282291299302310 314326332343348354358362365368 370378379383386389392393394395 396398399401403404405406407408 410411412413414415416417 418 429 430 iI 00 Price includes first-class postage within US orders outside US please add $2 50 Air Mail $125 surface mail Make check money order payable US funds Model tattoo doU AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivery se print carefully Enclosed$ _______ p NAME g STREET j CITY ______________________________________________________ STATE ______________________ ZIP ______________________ servo very strong also ol same size KPS-15s stalled Megan needed wt servo amplifier would handle motor current use same 5OOO- feedback pot 05 inexpensive happens Ace makes just unit needed electronics servos shown page 14 log kit amplifier Part Nun 14G25 wired unit P/N l4G2 Both units use Signetics 544 chip v two outboard transistors will han servos motor dead-stalled until tery dies As circuit designed case Ace Bantam servo worry about fitting larger 0 case called Ace order amplifier v told does normally come w paperwork wiring diagram sure ask kit instructions incluc order same time woi wise order connector will p1 radio Before getting much rebuild discovered mechanical problem amplifier large its circuit bot actually stuck out flush sides case Removing board left /ls-in-thi gap case get case ck properly new fake board cut fr V6 ply shape old serted around motor pot l ton room new amplifier wiring motor pot sor foam padding place vibration pr tection servo ready close Murphys Law well known modelii circles people work servos can fully understand its meanin law instance states ser will always work perfectly until four inch-long fine-thread screws tightened down case quits case Murphy someplal elsethe servo worked well first time tested Ace Servo Cycle Ti centering bit off adjusted sticking very thin screwdriver down tI output shaft turning feedback pot installed Megan po sible move transmitter throttle sti spoiler high low have ti spoilers lag stick resi tance four spoiler blades held down -wil No 8 rubberbands servo hardly showe load Now will possible precise] control descent rate ship instead just waiting spoilers open bI fore older servos would reusable new Ace electronics onl servos like OS SP-260 would really worth effort Old servo units such EK Proline very good mechanic would make super Quarter Seal servos todays big birds next club meeting might goo time survey local pack rats neve throw away anything see some thes old jewels can 178 Model Aviation FULL *SIZE* PLANS No 429 Over E-Z$400 CL Late-Forties bipe popular Stunter takes new life 25 engine No 430 Ironside$400 RO Compact frisky 3-channel sport flier 10-15 engines No 131Gee Bee Model V 40-powered FIG stand-off scale great old-Owe racers$500 No 193StIllelto CL Stunt model McDonald winner 1976 1980 i992 PAl World Champs$373 No 225Ole Reliable FIG 75 version 39 old-timer REM controls 1925$425 No 239Blue Birds FIG Ken Willards fonnation plane 4-oh. 105375 No 262c-ashinaster CL Crash-proof trainer 2 sizes15-30 30-40$125 No 282Gee Bee FIG Granger Williams magnificent Model 2 tor 40 engrrre $750 No 291cap 20 40-powered scam FIG Preech aerobatic plane Low wing twl-dragger 2 sheets$750 No 299Gee Bee Sr Sportater FIG 1/4-scale Haffke 9t power Prototype span 309 2t5 sheets$1175 No 202MInI F-16 FIG Sarpolas 049 ducled fan sport flier 2-oh Balsa wings tail lose structure$275 No 3191930 Fleet BIplane FIG Sport Scale 30-40 4-oh Wingspan 56 iv 1 6 scale Two sheets$825 No 314Onake II FIG Ken Willards flying boat 3-oh. 10-power Fly land removable gear$375 No 326Taylor cub FIG Don Sralls Schoolyard-Scale Odes 23 Gh Spans 50 in$350 No222Zephyr FIG Small 2-oh glider hand-launuir tow thermal singe soaing$200 No 242wasp VI FF Mike Stops Natswinning Outdonr HLG$108 No 349Onestep FIG Trainer han very forgiving flying qualihes 3-oh 10-20 power $425 No 254Merlpe FIG Giant 155-in span Sailplane ones 3 FIG channels$750 No 358PIeces PP Indoor Easy B FIabber-power contest-winner W Van border$150 No 3425upercat FIG Half-A Pylon FIacersport flier Aileron elevator control Foam wing$250 No 365Seamaster FIG Willards 40-size flying boat 4-oh Strap-on gear fo landplanein 2 5515$1150 No 399Space Shuttle II RC Larger improved version Huo glider 3-oh$550 No 370cAP-21 FIG Giant-Scale French aerobatic craft spans 7/4 9 Osadra power 2 sheets 1400 No 379Mr Spook Ill FIG Ply Sport Pylon NooSportsman Pattem sheet sport Uses 4-oh. 20-40 pm$500 No 379Monoboon CL Combat ship large light sopor performer$375 No 393calllsto 82 FIG Ply sleek Nato-winning Sailplane AMA Mod StO Unlimited classes$750 No 398Laser 280 FIG Sport Scale replica championship Aerobatic flier Uses 40 power 4-5 oh 2 shts$1075 No 289US Male FIG Hage gentle-flying biplane trainer sport Spans 50 60 engine 3-oh Two shts$1450 No 392chrIstopher FIG Sport Scale paraohotistl Two-ok set hides torso moves amrs steer ohute$425 No 393 KIoud KIng FIG Reduced modemized version 011925 design t5A Old-Timer 2 3 oh$450 No 394RaIn crow II PP High-performance Ovtdoor Hand Launched Glide$175 No399Sky Baby CL f2A Racer Mouse Scale Plans show Coo Black Widow Spans te V-tail$175 No 399Lee-RIchards PP Electric-powered 020 Scale ring-wing oldie$350 No399Gee Bee R-l FIG Hufikes lalest t/4soule spans 75 weighs 15 lb. fies 90 larger Poor shts Iso dool$2225 No 399Zephyr 1199 FIG AMA Glans B Sailplane 3-channel FIG gear$875 No491Ropal Lancer PP Basic competition model AMA Glass uses starrdard-padormance r5 engines$550 No 403cub FloalpIane FIG Sport Scale 049-f 0-size engines 4-oh FIG J-3 floats classic$850 No 406Focke-Vdulf 199 CL Profile Scale 1 power features aniguC engine mounl mom reabsm$300 No 405Regent Queen ol SkIes FIG Fun-type biplane 40-60 power 4-channels 12 sheets$1350 No 408PIper comanche CL Sport Scale uses twin 2ho throOle control 2 sheetsl$825 No 407BoeIng XF5B-1 FIG Sport Scale f2A power 2-3 channels$425 No 408Re-Volt-Er FIG electric-power sport flier 2-channel 05 mofor$850 No 409Fokker SpIn III PP Scale early monoplane trainer 049 power Three sheets pies docamentatron9925 No410Pober P101 FIG Scale famous EAS plane 40-power 4-oh Build br sport Precisron 2 sht dec$1300 No411Humm Bug CL CO-2-powered Stunter Indoor flying short lines$175 No 412MosquIto FIG Sport Scale twin uses 10 engines 4-oh FIG$825 No413Bonanza CL Profile Ion-scale Stunter rS 1025 engines Has raps to-gear V-lad$325 No 414ElectrIc Sparky FIG electric-powered fan flier 05 motor 3-oh FIG scaled-up t939 robber power favonte -$950 No 415Hawker HumIcons Mk FIG Electric-power Sport Scale tO motor 3-4 channels Two sheets$1175 No 416Stuoldlre 99 CL Big 62-in-span Stunter 60-power$709 No 417Sportwagon JR FIG Pulse-rudder sportster 02-power$309 No418Luton MInor FIG Sport Scale model 1930s edlish lightpiane t9-power 4-channel FIG$725 No 419Done 650 CL Competition StonIer fvr 40-46 power has loam wing add stab$700 No428Buck 600 PP Competition Class B 19-Or power Has variable-incidence tan IVITI$900 No 421Anne Plane CL ly/ tramerspurtster rugged balsa fast-hoilding$325 No 422Scooter FIG Two-Meter Sailplane has won Nuts event r9e2 r963 pius olser contests$550 No 422cloud cruiser FIG Old-Timer taken 60-power 3-oh FIG Two-piece wing ophon easy transport Two sheets $1275 No 424Good Tam PP Embryo Endurance rubber-power floatylane has optional elteels stick-and-tissue delight$200 No 439Skyrocket CL Pun-Scale sport flier looks like Grummans on-nose Nasy hen Thirties P0 twin r2As$325 No 426chIna clIpper FIG Fabulous 74-in-span Sport Scale flying boat lor foot tO-size engines 4-oh Three sheets no dec$2000 No427ProfIles PP Travelair Mystery Ship Miss Los Angeles prolile all-balsa rubber models sport flying t7 span$200 No 429Bearcat CL Big oompehtion-caliber profile StonIer 60 power$509 a V 0 0 U LO ZO - 0 05 cE Co CaCI U C V 9 - U V 0 a V Ca -o Ca 0 0 c 0 U V a 0 0oa OW 0 Oa 0 0 c n 1 a 0 Ca 5 IA
Edition: Model Aviation - 1984/01
Page Numbers: 100, 177, 178
IzJ1i77Y JiD3Jii Old Four-Wire Servos may gold old dusty workshop drawer Some servos yesteryear perform admirably todays needs rebuilt described hereE Pete Carr FOR THOSE look frustration dex 11 scale 1-10 side order eye strain sore neck working servos has rate high marks would anyone want rebuild old servo especially price new latest features reasonable rea son some older units tighter gears stronger motors some economy servos today impor tant someone asks what rig use can say just bits pieces will think original eccentric genius fact some projects call servo such special qualities custom-built unit way go Such case Dodgson Megan Sail plane Id built 140-in-span bird top bottom spoilers big standard servo nearly stalled opening best slow oper ate standard servo great drain airborne pack Additionally aver age contest landing called quick deploy ment spoilers well retraction appeared Quarter Scale-type servo would needed As fliers Sailplanes know space always problem Megan no exception Smaller servos werent faster strong enough big servos wouldnt fit What Continued page 177 Above Left fake circuit board 1/16 ply slipped over connector new amplifierready fitted around motor removed four-wire parts can seen below Above Right fake board positioned motor three leads feedback pot routed through notch next Below Left Foam squares used cushion amplifier board case closed making sure grommet around lead-out wires place Below Right Rebuilt servo being tested Ace Servo Cycleplenty speed lots power 100 Model Aviation DVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX &A IndustrIes25 MA Membership79 -justo-jig135 ce RC Inc135 ero Tech RC128 Irrech153 lrtronlcs2 -Tec Products Inc171 lexander & Alexander163 II Phase Art159 mericas Hobby Center37 pplled DesIgn Corp168 stro Flight128 &rHobbles130 alsa USA7 ehrens Plan Service170 ru-Line Industries28 yron Originals49 alifornia Model Imports27 arolina-Taffinder143 hnnle Casburn Mfg11 hamplon Model Products174 hevrOn14 ircus Hobbies98-99 leveland Model & Supply Co176 nc Clutton177 ondor Hobbles21 onsumers Guide RC Aircraft Prod. onsumers Hobby Corp150-151 overite17 Enterprises28 &D Engineering134 fG Products160 GA Designs26 1GM InduStries177 ohannes Daldosch131 favey Systems Corp130 arry Dodge Aero Inc176 bodgson Designs51 bugs Hobby Shop140-141 u-BrO ProductS16 177 Lastern Soaring Supplies nya Model Engines Model Supply HS Supply Inc abtronicS lite Line Products Inside Back Cover 177 4 138 143 Flyilne Models138 Fourmost Products162 Fox Mfg Co172 Futaba Corp America29 129 179 Gator RC Products154 Gemini Models148 Carl Goldberg Models15 Gorhgm Model Products167 Great Lakes Model Co139 Great Lakes Radio Control152 Great Planes Model Mfg de Front Cover 4 126 Grish Brothers9 Art Gross Enterprises161 William M Hawke24 Historic Aviation5 Hobby Barn132-1 33 Hobby Capitol Distributors176 Hobby Horn160 Hobby Lobby international6 Hobby Radio Shop22 Hobby Swap News148 Hobbypoxy Products169 Hoffelt Group161 lkonNWeSt174 indy RC Sales146-147 International Modeler Show127 J-5 Enterprises142 K&B ManufacturIng Co138 K&S Engineering26 Kin Craft130 Kings RC Hobbles Intl166-175 Kraft Systems83 Leisure Electronics158 Lone Star Models131 MACS Products131 Majestic Models134 Marks Models Master KIt144 McDanIel RC Service145 Jim Messers Quality Model ProductS Micro Mark148 Midwest Model Supply Co161 Midwest Products95 Midwest TechnIcal PublicatIons176 Model Engineering Norwalk173 Model Magic Products164 Model Products Corp148 Model Rectifier Corp1 Mutchiers Hobbles136-137 Nor-Cal AvIonics134 OhIo Superstar134 Pacer Technology & Resources180 Peck-Polymers172 PIca Products172 Dave Platt Models24 Polks Hobby45 Proctor Enterprises131 RF Enterprises170 RLF Products176 Radio Equipment Exchange176 Repla-Tech International177 Richardson PrecisIon Machining166 Ricks Kits160 Robbe Modellsport92-93 Roush Mfg Co144 158 161 155 177 126 158 10 145 22 156-157 13 144 SR Batteries S&W Hobby Supply Flite Models Salt Fork II Satellite City Scratch-A-Plane Semco Sheldons Hobby Shop Sig ManufacturIng Co St CroIx Park Falls Ltd Tatone Products Taylor-Craft Ltd Tide DistrIbutors Inc Toledo RC Exposition Top Filte Models Tower Hobbles Twlnn-K Inc VKModel Aircraft. VL Products Bob Vioiett Models WE Technical Services Williams Brothers World Engines Xpiorer EnterprIses CA ZaIc NIck ZIroli Models 159 23 145 149 165 139 153 164 168 8 14 Back Cover 139 135 14 128 Kavan flying rally Owners ot extra benefit during weekend its manufacturer Franz Kavan came West Germany daughter couple factory demonstration models plus pilot fly Kavan engines flightline got personal touch maker half-dozen demonstration flights demo planes featured plenty high-G aerobatics 90 mph low inverted passes PAW DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fort Myers Florida 33905 Frequency allocations slight problem huge attendance final count showed just under 450 flights weekend fre quently six seven ships air once no midairs two crashes recorded during event astounding glance up see sky filled airplanes hear practically no noise Spectators pilots alike commented relaxed atmosphere quiet four-stroke engines produced could sit sun watch goings-on along flightllne holding normal conver sation friends recent changes interna tional competitive rules con stant emphasis noise control looks like future four-cycle engine unllmited Right now engines coming foreign manu facturers turnout First World Engines/Hawks Four-Cycle Rally indication plenty de mand spur development domestic companies Most modeling spec tators big event went away con vinced high time get strokin' Servos/Carr Continued page 100 old proportional sets Japan OS imported World Engines back late 1960s first-quality set its day rigs era used center-tapped battery feed amplifier servosa disaster battery cell failed servos old rig designated SP-260 four wires plus minus battery signal decoder white battery center tap new rigs use three leadsno battery center tap bad cell may make servo run slowly wont make run end centertapped ones did GET ORGANIZED lore s set 4 sturdy fries holds over 4 years ot tavoote Sst t oragazroes 4 MAG FILES $495 Send 5456 yfas 5tOO postage cod hoodliog DON INDUSTRIES PO BOX 388-K DOVER NH 03820 t P0 Box 3957 Torrance CA 90510 January 1984 177 TI P-40 CARD KIT FULL COLOR EXACT REPRODUCTION #V NOW $500REMEMBER HOW ONLYWELL THEY FLEW A~As5easIaI often nolod. onopen tanafnfeg I______ anna nI nf half pdoa SOnd FIR ffodalnP 0 Boo 02 Aeanlfl. Mi 48060 L ~dfAh.P1ONIOIJE NOSTALGIC GFT CUSTOM FOAM WINGS d TAILS CUSTOM SAILPLANE W/NGSd TAILS SPRAY ADHESIVES FIBERGLASS FUSELAGES i-Il STARTS BALSA d PLYWOOD SEND 508 d 10 SASE FOR INFO ESS BOX 437 LEMONT PA 16851 SCALE DOCUMENTATION/ SCALE DRAWINGS MODEL PLANS APHOTOS BOOKS ~/EPLA-TECH 1984 AIRPLANE INIEyrATIONA CATALOG48500 MC KENZIE HWY S3OOVIDA OREGON 97488 21 Old Time uas 12 HI Gliders 11 Contest Rubber Send SOC for4 Satellite Kits 82/83 catalog3 Nastalgia Power Pacifiers & LOTS OF GOCO STUFF FAI Model Supply 0 Circlenumbers plans wish toorder I131193225239262282291299302310 314326332343348354358362365368 370378379383386389392393394395 396398399401403404405406407408 410411412413414415416417 418 429 430 iI 00 Price includes first-class postage within US orders outside US please add $2 50 Air Mail $125 surface mail Make check money order payable US funds Model tattoo doU AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivery se print carefully Enclosed$ _______ p NAME g STREET j CITY ______________________________________________________ STATE ______________________ ZIP ______________________ servo very strong also ol same size KPS-15s stalled Megan needed wt servo amplifier would handle motor current use same 5OOO- feedback pot 05 inexpensive happens Ace makes just unit needed electronics servos shown page 14 log kit amplifier Part Nun 14G25 wired unit P/N l4G2 Both units use Signetics 544 chip v two outboard transistors will han servos motor dead-stalled until tery dies As circuit designed case Ace Bantam servo worry about fitting larger 0 case called Ace order amplifier v told does normally come w paperwork wiring diagram sure ask kit instructions incluc order same time woi wise order connector will p1 radio Before getting much rebuild discovered mechanical problem amplifier large its circuit bot actually stuck out flush sides case Removing board left /ls-in-thi gap case get case ck properly new fake board cut fr V6 ply shape old serted around motor pot l ton room new amplifier wiring motor pot sor foam padding place vibration pr tection servo ready close Murphys Law well known modelii circles people work servos can fully understand its meanin law instance states ser will always work perfectly until four inch-long fine-thread screws tightened down case quits case Murphy someplal elsethe servo worked well first time tested Ace Servo Cycle Ti centering bit off adjusted sticking very thin screwdriver down tI output shaft turning feedback pot installed Megan po sible move transmitter throttle sti spoiler high low have ti spoilers lag stick resi tance four spoiler blades held down -wil No 8 rubberbands servo hardly showe load Now will possible precise] control descent rate ship instead just waiting spoilers open bI fore older servos would reusable new Ace electronics onl servos like OS SP-260 would really worth effort Old servo units such EK Proline very good mechanic would make super Quarter Seal servos todays big birds next club meeting might goo time survey local pack rats neve throw away anything see some thes old jewels can 178 Model Aviation FULL *SIZE* PLANS No 429 Over E-Z$400 CL Late-Forties bipe popular Stunter takes new life 25 engine No 430 Ironside$400 RO Compact frisky 3-channel sport flier 10-15 engines No 131Gee Bee Model V 40-powered FIG stand-off scale great old-Owe racers$500 No 193StIllelto CL Stunt model McDonald winner 1976 1980 i992 PAl World Champs$373 No 225Ole Reliable FIG 75 version 39 old-timer REM controls 1925$425 No 239Blue Birds FIG Ken Willards fonnation plane 4-oh. 105375 No 262c-ashinaster CL Crash-proof trainer 2 sizes15-30 30-40$125 No 282Gee Bee FIG Granger Williams magnificent Model 2 tor 40 engrrre $750 No 291cap 20 40-powered scam FIG Preech aerobatic plane Low wing twl-dragger 2 sheets$750 No 299Gee Bee Sr Sportater FIG 1/4-scale Haffke 9t power Prototype span 309 2t5 sheets$1175 No 202MInI F-16 FIG Sarpolas 049 ducled fan sport flier 2-oh Balsa wings tail lose structure$275 No 3191930 Fleet BIplane FIG Sport Scale 30-40 4-oh Wingspan 56 iv 1 6 scale Two sheets$825 No 314Onake II FIG Ken Willards flying boat 3-oh. 10-power Fly land removable gear$375 No 326Taylor cub FIG Don Sralls Schoolyard-Scale Odes 23 Gh Spans 50 in$350 No222Zephyr FIG Small 2-oh glider hand-launuir tow thermal singe soaing$200 No 242wasp VI FF Mike Stops Natswinning Outdonr HLG$108 No 349Onestep FIG Trainer han very forgiving flying qualihes 3-oh 10-20 power $425 No 254Merlpe FIG Giant 155-in span Sailplane ones 3 FIG channels$750 No 358PIeces PP Indoor Easy B FIabber-power contest-winner W Van border$150 No 3425upercat FIG Half-A Pylon FIacersport flier Aileron elevator control Foam wing$250 No 365Seamaster FIG Willards 40-size flying boat 4-oh Strap-on gear fo landplanein 2 5515$1150 No 399Space Shuttle II RC Larger improved version Huo glider 3-oh$550 No 370cAP-21 FIG Giant-Scale French aerobatic craft spans 7/4 9 Osadra power 2 sheets 1400 No 379Mr Spook Ill FIG Ply Sport Pylon NooSportsman Pattem sheet sport Uses 4-oh. 20-40 pm$500 No 379Monoboon CL Combat ship large light sopor performer$375 No 393calllsto 82 FIG Ply sleek Nato-winning Sailplane AMA Mod StO Unlimited classes$750 No 398Laser 280 FIG Sport Scale replica championship Aerobatic flier Uses 40 power 4-5 oh 2 shts$1075 No 289US Male FIG Hage gentle-flying biplane trainer sport Spans 50 60 engine 3-oh Two shts$1450 No 392chrIstopher FIG Sport Scale paraohotistl Two-ok set hides torso moves amrs steer ohute$425 No 393 KIoud KIng FIG Reduced modemized version 011925 design t5A Old-Timer 2 3 oh$450 No 394RaIn crow II PP High-performance Ovtdoor Hand Launched Glide$175 No399Sky Baby CL f2A Racer Mouse Scale Plans show Coo Black Widow Spans te V-tail$175 No 399Lee-RIchards PP Electric-powered 020 Scale ring-wing oldie$350 No399Gee Bee R-l FIG Hufikes lalest t/4soule spans 75 weighs 15 lb. fies 90 larger Poor shts Iso dool$2225 No 399Zephyr 1199 FIG AMA Glans B Sailplane 3-channel FIG gear$875 No491Ropal Lancer PP Basic competition model AMA Glass uses starrdard-padormance r5 engines$550 No 403cub FloalpIane FIG Sport Scale 049-f 0-size engines 4-oh FIG J-3 floats classic$850 No 406Focke-Vdulf 199 CL Profile Scale 1 power features aniguC engine mounl mom reabsm$300 No 405Regent Queen ol SkIes FIG Fun-type biplane 40-60 power 4-channels 12 sheets$1350 No 408PIper comanche CL Sport Scale uses twin 2ho throOle control 2 sheetsl$825 No 407BoeIng XF5B-1 FIG Sport Scale f2A power 2-3 channels$425 No 408Re-Volt-Er FIG electric-power sport flier 2-channel 05 mofor$850 No 409Fokker SpIn III PP Scale early monoplane trainer 049 power Three sheets pies docamentatron9925 No410Pober P101 FIG Scale famous EAS plane 40-power 4-oh Build br sport Precisron 2 sht dec$1300 No411Humm Bug CL CO-2-powered Stunter Indoor flying short lines$175 No 412MosquIto FIG Sport Scale twin uses 10 engines 4-oh FIG$825 No413Bonanza CL Profile Ion-scale Stunter rS 1025 engines Has raps to-gear V-lad$325 No 414ElectrIc Sparky FIG electric-powered fan flier 05 motor 3-oh FIG scaled-up t939 robber power favonte -$950 No 415Hawker HumIcons Mk FIG Electric-power Sport Scale tO motor 3-4 channels Two sheets$1175 No 416Stuoldlre 99 CL Big 62-in-span Stunter 60-power$709 No 417Sportwagon JR FIG Pulse-rudder sportster 02-power$309 No418Luton MInor FIG Sport Scale model 1930s edlish lightpiane t9-power 4-channel FIG$725 No 419Done 650 CL Competition StonIer fvr 40-46 power has loam wing add stab$700 No428Buck 600 PP Competition Class B 19-Or power Has variable-incidence tan IVITI$900 No 421Anne Plane CL ly/ tramerspurtster rugged balsa fast-hoilding$325 No 422Scooter FIG Two-Meter Sailplane has won Nuts event r9e2 r963 pius olser contests$550 No 422cloud cruiser FIG Old-Timer taken 60-power 3-oh FIG Two-piece wing ophon easy transport Two sheets $1275 No 424Good Tam PP Embryo Endurance rubber-power floatylane has optional elteels stick-and-tissue delight$200 No 439Skyrocket CL Pun-Scale sport flier looks like Grummans on-nose Nasy hen Thirties P0 twin r2As$325 No 426chIna clIpper FIG Fabulous 74-in-span Sport Scale flying boat lor foot tO-size engines 4-oh Three sheets no dec$2000 No427ProfIles PP Travelair Mystery Ship Miss Los Angeles prolile all-balsa rubber models sport flying t7 span$200 No 429Bearcat CL Big oompehtion-caliber profile StonIer 60 power$509 a V 0 0 U LO ZO - 0 05 cE Co CaCI U C V 9 - U V 0 a V Ca -o Ca 0 0 c 0 U V a 0 0oa OW 0 Oa 0 0 c n 1 a 0 Ca 5 IA
Edition: Model Aviation - 1984/01
Page Numbers: 100, 177, 178
IzJ1i77Y JiD3Jii Old Four-Wire Servos may gold old dusty workshop drawer Some servos yesteryear perform admirably todays needs rebuilt described hereE Pete Carr FOR THOSE look frustration dex 11 scale 1-10 side order eye strain sore neck working servos has rate high marks would anyone want rebuild old servo especially price new latest features reasonable rea son some older units tighter gears stronger motors some economy servos today impor tant someone asks what rig use can say just bits pieces will think original eccentric genius fact some projects call servo such special qualities custom-built unit way go Such case Dodgson Megan Sail plane Id built 140-in-span bird top bottom spoilers big standard servo nearly stalled opening best slow oper ate standard servo great drain airborne pack Additionally aver age contest landing called quick deploy ment spoilers well retraction appeared Quarter Scale-type servo would needed As fliers Sailplanes know space always problem Megan no exception Smaller servos werent faster strong enough big servos wouldnt fit What Continued page 177 Above Left fake circuit board 1/16 ply slipped over connector new amplifierready fitted around motor removed four-wire parts can seen below Above Right fake board positioned motor three leads feedback pot routed through notch next Below Left Foam squares used cushion amplifier board case closed making sure grommet around lead-out wires place Below Right Rebuilt servo being tested Ace Servo Cycleplenty speed lots power 100 Model Aviation DVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX ADVERTISERS INDEX &A IndustrIes25 MA Membership79 -justo-jig135 ce RC Inc135 ero Tech RC128 Irrech153 lrtronlcs2 -Tec Products Inc171 lexander & Alexander163 II Phase Art159 mericas Hobby Center37 pplled DesIgn Corp168 stro Flight128 &rHobbles130 alsa USA7 ehrens Plan Service170 ru-Line Industries28 yron Originals49 alifornia Model Imports27 arolina-Taffinder143 hnnle Casburn Mfg11 hamplon Model Products174 hevrOn14 ircus Hobbies98-99 leveland Model & Supply Co176 nc Clutton177 ondor Hobbles21 onsumers Guide RC Aircraft Prod. onsumers Hobby Corp150-151 overite17 Enterprises28 &D Engineering134 fG Products160 GA Designs26 1GM InduStries177 ohannes Daldosch131 favey Systems Corp130 arry Dodge Aero Inc176 bodgson Designs51 bugs Hobby Shop140-141 u-BrO ProductS16 177 Lastern Soaring Supplies nya Model Engines Model Supply HS Supply Inc abtronicS lite Line Products Inside Back Cover 177 4 138 143 Flyilne Models138 Fourmost Products162 Fox Mfg Co172 Futaba Corp America29 129 179 Gator RC Products154 Gemini Models148 Carl Goldberg Models15 Gorhgm Model Products167 Great Lakes Model Co139 Great Lakes Radio Control152 Great Planes Model Mfg de Front Cover 4 126 Grish Brothers9 Art Gross Enterprises161 William M Hawke24 Historic Aviation5 Hobby Barn132-1 33 Hobby Capitol Distributors176 Hobby Horn160 Hobby Lobby international6 Hobby Radio Shop22 Hobby Swap News148 Hobbypoxy Products169 Hoffelt Group161 lkonNWeSt174 indy RC Sales146-147 International Modeler Show127 J-5 Enterprises142 K&B ManufacturIng Co138 K&S Engineering26 Kin Craft130 Kings RC Hobbles Intl166-175 Kraft Systems83 Leisure Electronics158 Lone Star Models131 MACS Products131 Majestic Models134 Marks Models Master KIt144 McDanIel RC Service145 Jim Messers Quality Model ProductS Micro Mark148 Midwest Model Supply Co161 Midwest Products95 Midwest TechnIcal PublicatIons176 Model Engineering Norwalk173 Model Magic Products164 Model Products Corp148 Model Rectifier Corp1 Mutchiers Hobbles136-137 Nor-Cal AvIonics134 OhIo Superstar134 Pacer Technology & Resources180 Peck-Polymers172 PIca Products172 Dave Platt Models24 Polks Hobby45 Proctor Enterprises131 RF Enterprises170 RLF Products176 Radio Equipment Exchange176 Repla-Tech International177 Richardson PrecisIon Machining166 Ricks Kits160 Robbe Modellsport92-93 Roush Mfg Co144 158 161 155 177 126 158 10 145 22 156-157 13 144 SR Batteries S&W Hobby Supply Flite Models Salt Fork II Satellite City Scratch-A-Plane Semco Sheldons Hobby Shop Sig ManufacturIng Co St CroIx Park Falls Ltd Tatone Products Taylor-Craft Ltd Tide DistrIbutors Inc Toledo RC Exposition Top Filte Models Tower Hobbles Twlnn-K Inc VKModel Aircraft. VL Products Bob Vioiett Models WE Technical Services Williams Brothers World Engines Xpiorer EnterprIses CA ZaIc NIck ZIroli Models 159 23 145 149 165 139 153 164 168 8 14 Back Cover 139 135 14 128 Kavan flying rally Owners ot extra benefit during weekend its manufacturer Franz Kavan came West Germany daughter couple factory demonstration models plus pilot fly Kavan engines flightline got personal touch maker half-dozen demonstration flights demo planes featured plenty high-G aerobatics 90 mph low inverted passes PAW DIESELS Englands Finest 049 29 New low low prices Send $100 list Eric Clutton 3816 DeSoto Ave Fort Myers Florida 33905 Frequency allocations slight problem huge attendance final count showed just under 450 flights weekend fre quently six seven ships air once no midairs two crashes recorded during event astounding glance up see sky filled airplanes hear practically no noise Spectators pilots alike commented relaxed atmosphere quiet four-stroke engines produced could sit sun watch goings-on along flightllne holding normal conver sation friends recent changes interna tional competitive rules con stant emphasis noise control looks like future four-cycle engine unllmited Right now engines coming foreign manu facturers turnout First World Engines/Hawks Four-Cycle Rally indication plenty de mand spur development domestic companies Most modeling spec tators big event went away con vinced high time get strokin' Servos/Carr Continued page 100 old proportional sets Japan OS imported World Engines back late 1960s first-quality set its day rigs era used center-tapped battery feed amplifier servosa disaster battery cell failed servos old rig designated SP-260 four wires plus minus battery signal decoder white battery center tap new rigs use three leadsno battery center tap bad cell may make servo run slowly wont make run end centertapped ones did GET ORGANIZED lore s set 4 sturdy fries holds over 4 years ot tavoote Sst t oragazroes 4 MAG FILES $495 Send 5456 yfas 5tOO postage cod hoodliog DON INDUSTRIES PO BOX 388-K DOVER NH 03820 t P0 Box 3957 Torrance CA 90510 January 1984 177 TI P-40 CARD KIT FULL COLOR EXACT REPRODUCTION #V NOW $500REMEMBER HOW ONLYWELL THEY FLEW A~As5easIaI often nolod. onopen tanafnfeg I______ anna nI nf half pdoa SOnd FIR ffodalnP 0 Boo 02 Aeanlfl. Mi 48060 L ~dfAh.P1ONIOIJE NOSTALGIC GFT CUSTOM FOAM WINGS d TAILS CUSTOM SAILPLANE W/NGSd TAILS SPRAY ADHESIVES FIBERGLASS FUSELAGES i-Il STARTS BALSA d PLYWOOD SEND 508 d 10 SASE FOR INFO ESS BOX 437 LEMONT PA 16851 SCALE DOCUMENTATION/ SCALE DRAWINGS MODEL PLANS APHOTOS BOOKS ~/EPLA-TECH 1984 AIRPLANE INIEyrATIONA CATALOG48500 MC KENZIE HWY S3OOVIDA OREGON 97488 21 Old Time uas 12 HI Gliders 11 Contest Rubber Send SOC for4 Satellite Kits 82/83 catalog3 Nastalgia Power Pacifiers & LOTS OF GOCO STUFF FAI Model Supply 0 Circlenumbers plans wish toorder I131193225239262282291299302310 314326332343348354358362365368 370378379383386389392393394395 396398399401403404405406407408 410411412413414415416417 418 429 430 iI 00 Price includes first-class postage within US orders outside US please add $2 50 Air Mail $125 surface mail Make check money order payable US funds Model tattoo doU AMA 1810 Samuel Morse Dr Reston VA 22090 Please allow 3 weeks delivery se print carefully Enclosed$ _______ p NAME g STREET j CITY ______________________________________________________ STATE ______________________ ZIP ______________________ servo very strong also ol same size KPS-15s stalled Megan needed wt servo amplifier would handle motor current use same 5OOO- feedback pot 05 inexpensive happens Ace makes just unit needed electronics servos shown page 14 log kit amplifier Part Nun 14G25 wired unit P/N l4G2 Both units use Signetics 544 chip v two outboard transistors will han servos motor dead-stalled until tery dies As circuit designed case Ace Bantam servo worry about fitting larger 0 case called Ace order amplifier v told does normally come w paperwork wiring diagram sure ask kit instructions incluc order same time woi wise order connector will p1 radio Before getting much rebuild discovered mechanical problem amplifier large its circuit bot actually stuck out flush sides case Removing board left /ls-in-thi gap case get case ck properly new fake board cut fr V6 ply shape old serted around motor pot l ton room new amplifier wiring motor pot sor foam padding place vibration pr tection servo ready close Murphys Law well known modelii circles people work servos can fully understand its meanin law instance states ser will always work perfectly until four inch-long fine-thread screws tightened down case quits case Murphy someplal elsethe servo worked well first time tested Ace Servo Cycle Ti centering bit off adjusted sticking very thin screwdriver down tI output shaft turning feedback pot installed Megan po sible move transmitter throttle sti spoiler high low have ti spoilers lag stick resi tance four spoiler blades held down -wil No 8 rubberbands servo hardly showe load Now will possible precise] control descent rate ship instead just waiting spoilers open bI fore older servos would reusable new Ace electronics onl servos like OS SP-260 would really worth effort Old servo units such EK Proline very good mechanic would make super Quarter Seal servos todays big birds next club meeting might goo time survey local pack rats neve throw away anything see some thes old jewels can 178 Model Aviation FULL *SIZE* PLANS No 429 Over E-Z$400 CL Late-Forties bipe popular Stunter takes new life 25 engine No 430 Ironside$400 RO Compact frisky 3-channel sport flier 10-15 engines No 131Gee Bee Model V 40-powered FIG stand-off scale great old-Owe racers$500 No 193StIllelto CL Stunt model McDonald winner 1976 1980 i992 PAl World Champs$373 No 225Ole Reliable FIG 75 version 39 old-timer REM controls 1925$425 No 239Blue Birds FIG Ken Willards fonnation plane 4-oh. 105375 No 262c-ashinaster CL Crash-proof trainer 2 sizes15-30 30-40$125 No 282Gee Bee FIG Granger Williams magnificent Model 2 tor 40 engrrre $750 No 291cap 20 40-powered scam FIG Preech aerobatic plane Low wing twl-dragger 2 sheets$750 No 299Gee Bee Sr Sportater FIG 1/4-scale Haffke 9t power Prototype span 309 2t5 sheets$1175 No 202MInI F-16 FIG Sarpolas 049 ducled fan sport flier 2-oh Balsa wings tail lose structure$275 No 3191930 Fleet BIplane FIG Sport Scale 30-40 4-oh Wingspan 56 iv 1 6 scale Two sheets$825 No 314Onake II FIG Ken Willards flying boat 3-oh. 10-power Fly land removable gear$375 No 326Taylor cub FIG Don Sralls Schoolyard-Scale Odes 23 Gh Spans 50 in$350 No222Zephyr FIG Small 2-oh glider hand-launuir tow thermal singe soaing$200 No 242wasp VI FF Mike Stops Natswinning Outdonr HLG$108 No 349Onestep FIG Trainer han very forgiving flying qualihes 3-oh 10-20 power $425 No 254Merlpe FIG Giant 155-in span Sailplane ones 3 FIG channels$750 No 358PIeces PP Indoor Easy B FIabber-power contest-winner W Van border$150 No 3425upercat FIG Half-A Pylon FIacersport flier Aileron elevator control Foam wing$250 No 365Seamaster FIG Willards 40-size flying boat 4-oh Strap-on gear fo landplanein 2 5515$1150 No 399Space Shuttle II RC Larger improved version Huo glider 3-oh$550 No 370cAP-21 FIG Giant-Scale French aerobatic craft spans 7/4 9 Osadra power 2 sheets 1400 No 379Mr Spook Ill FIG Ply Sport Pylon NooSportsman Pattem sheet sport Uses 4-oh. 20-40 pm$500 No 379Monoboon CL Combat ship large light sopor performer$375 No 393calllsto 82 FIG Ply sleek Nato-winning Sailplane AMA Mod StO Unlimited classes$750 No 398Laser 280 FIG Sport Scale replica championship Aerobatic flier Uses 40 power 4-5 oh 2 shts$1075 No 289US Male FIG Hage gentle-flying biplane trainer sport Spans 50 60 engine 3-oh Two shts$1450 No 392chrIstopher FIG Sport Scale paraohotistl Two-ok set hides torso moves amrs steer ohute$425 No 393 KIoud KIng FIG Reduced modemized version 011925 design t5A Old-Timer 2 3 oh$450 No 394RaIn crow II PP High-performance Ovtdoor Hand Launched Glide$175 No399Sky Baby CL f2A Racer Mouse Scale Plans show Coo Black Widow Spans te V-tail$175 No 399Lee-RIchards PP Electric-powered 020 Scale ring-wing oldie$350 No399Gee Bee R-l FIG Hufikes lalest t/4soule spans 75 weighs 15 lb. fies 90 larger Poor shts Iso dool$2225 No 399Zephyr 1199 FIG AMA Glans B Sailplane 3-channel FIG gear$875 No491Ropal Lancer PP Basic competition model AMA Glass uses starrdard-padormance r5 engines$550 No 403cub FloalpIane FIG Sport Scale 049-f 0-size engines 4-oh FIG J-3 floats classic$850 No 406Focke-Vdulf 199 CL Profile Scale 1 power features aniguC engine mounl mom reabsm$300 No 405Regent Queen ol SkIes FIG Fun-type biplane 40-60 power 4-channels 12 sheets$1350 No 408PIper comanche CL Sport Scale uses twin 2ho throOle control 2 sheetsl$825 No 407BoeIng XF5B-1 FIG Sport Scale f2A power 2-3 channels$425 No 408Re-Volt-Er FIG electric-power sport flier 2-channel 05 mofor$850 No 409Fokker SpIn III PP Scale early monoplane trainer 049 power Three sheets pies docamentatron9925 No410Pober P101 FIG Scale famous EAS plane 40-power 4-oh Build br sport Precisron 2 sht dec$1300 No411Humm Bug CL CO-2-powered Stunter Indoor flying short lines$175 No 412MosquIto FIG Sport Scale twin uses 10 engines 4-oh FIG$825 No413Bonanza CL Profile Ion-scale Stunter rS 1025 engines Has raps to-gear V-lad$325 No 414ElectrIc Sparky FIG electric-powered fan flier 05 motor 3-oh FIG scaled-up t939 robber power favonte -$950 No 415Hawker HumIcons Mk FIG Electric-power Sport Scale tO motor 3-4 channels Two sheets$1175 No 416Stuoldlre 99 CL Big 62-in-span Stunter 60-power$709 No 417Sportwagon JR FIG Pulse-rudder sportster 02-power$309 No418Luton MInor FIG Sport Scale model 1930s edlish lightpiane t9-power 4-channel FIG$725 No 419Done 650 CL Competition StonIer fvr 40-46 power has loam wing add stab$700 No428Buck 600 PP Competition Class B 19-Or power Has variable-incidence tan IVITI$900 No 421Anne Plane CL ly/ tramerspurtster rugged balsa fast-hoilding$325 No 422Scooter FIG Two-Meter Sailplane has won Nuts event r9e2 r963 pius olser contests$550 No 422cloud cruiser FIG Old-Timer taken 60-power 3-oh FIG Two-piece wing ophon easy transport Two sheets $1275 No 424Good Tam PP Embryo Endurance rubber-power floatylane has optional elteels stick-and-tissue delight$200 No 439Skyrocket CL Pun-Scale sport flier looks like Grummans on-nose Nasy hen Thirties P0 twin r2As$325 No 426chIna clIpper FIG Fabulous 74-in-span Sport Scale flying boat lor foot tO-size engines 4-oh Three sheets no dec$2000 No427ProfIles PP Travelair Mystery Ship Miss Los Angeles prolile all-balsa rubber models sport flying t7 span$200 No 429Bearcat CL Big oompehtion-caliber profile StonIer 60 power$509 a V 0 0 U LO ZO - 0 05 cE Co CaCI U C V 9 - U V 0 a V Ca -o Ca 0 0 c 0 U V a 0 0oa OW 0 Oa 0 0 c n 1 a 0 Ca 5 IA