ANATOMY Scale What would motivate model builder enter field RC Scale Searching minds answer have come up number reasons motivated Probably basic motivation love real aircraft inclination surround ourselves attractive realistic Scale mod els Since cannot have tantalizing airplanes see museums airport satisty ourselves some extent models real problem limit num ber built fit average house Scale modeling like eating peanuts No stops eat ing peanut out bag Scale mod eling first whets appetite morewhich helps explain present family collection 20 including couple Peanuts Another source motivation search realismand especially applies flight quality Seeing Scale aircraft perform ul timate visual experience model fliers well casual onlookers know true because large numbers spectators Scale event contestand watchers nonmodelers popular Scale rallies World Championships see throngs spectators have pald admission witness Scale models action people come stay dont leave boredom after watching flight two attention points subtie reasons Scale modelers like exhibit pro ducts Its ego trip have aircraft admired particularly performs scalelike man ner truly disciplined flight accurate sim ulation full-size maneuvers performed prototype course aspect Scale modeling varies considerably among individuals least surface some will thirst ad ulation others may ny hide spot light Scale enthusiast delighted ap preciation shown craftsmanship again displays ability control model realistic flight four basic ingredients Scale modelers composition Three readily ac quired patience skill know ledge Only latter element comes experi ence over extended period other two can photos month 1988 Toledo exposition Owen Wysongs spectacular Sea Horse L design Ray Halupa under development Mustang Aircraft Corp Model 1A-scale spans 80 weighs 235 lb uses OS 240 four-stroke engine Its finish Dupont acrylic lacquer over two-oz glass cloth epoxy resin Big F-i 4 Tomcal R built James LeBlanc Wing sweeps electric power Retractable gear works com pressed air Power pair Rossi 90 engines driving Hurricane ducted fans 1A-scale Chuck Lucas Avenger ultralight L scratch-built has basic structure 6061 aluminum tubing Surfaces controlled cable/pulley systems Engine OS Gemini twin-cylinder four-stroke Weight 19 lb span 112 covering ripstop nylon Hal Parentis latest twin-engine Ryan FR-i Fireball R Wingspan 72 weight 165 lb Front engine Spertigre 75 Rear engine Yes really 05 46 driving Kress ducted fan unit Finish K&B Superpoxy Learjet 35A L 1/ scale spans 835 974 long Builder Mark Frankel powers pair Rossi 65s driving Dynamax fans Keith Shaws latest Electric R %-scale Stearman PT-17 An Astro cobalt 60 powers Battery pack uses 28 cells 1200 mAh capacity Airframe weighs 64 oz radio 9 oz power equipment 71 oz Total weight 9 lb Craft spans 645 52 Model Aviation Radio Conoi Scale Bob Dolly Wischer 5-221 Lapham Peak Rd Delafleld WI 53018 ----- -- learned rather quickly fourth element desire Anyone wants Scale model badly enough will soon ac quire other three Along lines Scale modeling has capability somewhat alter per sonality traits seeking purpose ful hobby also three basic requisites phys ical production Scale model re search design construction build topquality Scale model often extensive re search effort involved know modelers thoroughly researched particular aircraft before building beganand found afterward gathered information anyone done previously become experts best approach gathering data support construction models visit full size aircraft Gather much information can both photos actual dimensions prototype isnt available research con ducted through archives libraries manufacturers often successful magazine book collections Purveyors Scale data advertise model magazines Sport Scale-type models research ef fort can considerably less depending upon amount detail incorporated mod el other hand some so-called Sport Scale models see could vety well Preci sion Scale competition dividing line isnt clear between two classes Design model major concern scratch-builder works threeview drawings photosor di mensions sketches made directly prototype largest proportion Scale model ers work kits construction drawings designers have provided neces sary information point no needs skilled craftsman order enjoy Scale individual modeler stops stage may like process finishing detail ing air model doesnt show lack de tail exception large items such bold colorful insignia Competitive spirit motivation Scale modeler sees aircrafthis own othersas step line ascent medi ocrity near-perfection modelers seen contests Nats team trials World Championships often view modeling scene entirely different perspective example Scale enthusiasts will choose subject aircraft strikes personal fancy airplanes modelers list desirable subjects time alone limits production contest-oriented modeler may have en tirely different set values main focus terest models winning potential has no objection spending year hobby time construction unloved pro totype Finally motivation factor among scratch-building Scale enthusiasts feel com pulsion create models obscure aircraft types seldom chosen others course no kits plans possibly three-view drawings Absence documentation increases attractiveness modeler becomes challenge uncover information diligent search Some projects tend become longterm ones starting idea single photo Only after years gathering information will modeler have acquired sufficient data Continued page 144 August 1988 53 Major Decal pass flying colors DISTRIBUTORS INQUIRIES INVITED Call Paul Major 413 525-4110 L *7 GIant Scale 18 Sheets *60 Size38 Sheets *40 Size Sheets * Propeller Decals WT 6 Sheets-3 sizes ea *Kill Markings 12 Sheets * Nomenclature Markings 3 Sizes -12 Sheets Black White copy * Letters Numbers 1 2 3 4 4-13/16 10 Colors * Stars 10 Colors 11 Sizes plus Sheet Assorted Sizes Seed /OOi4 -4major decals Custom decals Manufacturers__ NORTHtAST SCREEN GRAPHICS 21 FISHER AVE. tAST LONGMEADOW MA R102R TEL 413-525411t V F-lOG SUPERSABER 67 L x 54 WS tanks dive brake4 9 Channel optional drop28 oz Wing Load Available April 88832 sq area $32500 1/86 Scalp F-20 TIGERSHARK70 L x 48 WS 5 Channel 32 oz Wing Load 712 sq area $28900 1/8 Scale SAAB AJ37 VIGGEN optional canard flaps 64 L x 45 WS 5 -6 Channel 26 oz Wing Load 895 sq area *$32900 1/9 5 Scale VIDEO $1995 $200 Kit Info & Dealer List L s SCL $9995 4 5 CH NG CANARDS SOL Quickie $7495 4 CH 5 ENG Canard Trainer $4495 4 CH 35-45 ENG Made USA Modelers Modelers US Foreign Dealers/Oistributors Wanted Cressline Model Products Ltd W23h Nlk9O BUSSE RD VVAUKESHA WI 53188414 548-3792 &SSSflflaAAAa HOity Horn hobby pea e Kits P& W ModelService 193S Miss America 84$7196 1936 Baccaneer 84 $5998 1937 Daliaire tot$7516 lsasciipperMkl 72 $4158 1938 Kioad King 63$4238 1938 Powertiouse 64 $6386 1938 Record Breaker 96$8958 1938 Trenton Terror 72$4076 1939 Korda Wake 44$1916 1929 Mercary 72 $5836 1939 Zipper 54$5356 1940 Ranger 46 $3198 1940 Sailpiane 76$8476 1940 So Long 50 $3038 1941 Brigidier 86$4876 1941Saper Onaker 78 87276 1941 Piayboyjr 54$3116 1941Pisyboy Sr tO $5116 1941 Brookion Dodner56 $4238 Midway Model Co Full Kits 1936 Fiying Guaker 84$64781938Powerhoase 50 $2996 1937 Long cabin 78$47181939 T sportser50 $2996 1937 Guaker Flash 67$45S61940 Buozard Bombuheti 1937 Air chief ei$359672 spankt $5696 1940 New Rater 74$711650 spoest $3596 above kits qaatify Sam events 1FF & R/G featare tbe bighcst quality machine cat & sanded parts shect & snip wood wire & window materiat Most plans thc original PF models easily convertible 3ch R/G Sailpianes Electric Power Gas Kits MIDWAY MODEL GOELEcTRIc MODEL DESIGN Gnome HLG 60$2400Sky Knight 05 DII$2400 Omme 2M Older78$3796Eledra 0148 73 105 D$3100 Fast Eddie 05 D$2400Lightning 36 05 Dl$2400 UtraMkiV IWO$3796TherweTraneller OsDorGI$3100 EleOric PlayboyIOta$2800 Hobby Horn Sensoar Glider 76 nr 05 electric$1800 Astro challenger cs Geared$3250 Astro Viking 05 Geared$3250 Autro Portertield 15 25 Geared$0998 Astro SpoC 37 05 Direct$2998 Daveys Robin 05 Geared$3371 Daveys Le Grate 05 Geared$3596 FULL LINE OF ELECTRIC 5y0raO 5 AVAIL SHIPPiNG 5 HANDLING76 Page cATALOGUE Up $800 add5200$200 py/Ist Glass free $901 tO $2000 Odd$200when requested order $2001 $4500 add5325 $45Ot 1057000 add $375 HOBBY HORN Over $7000 add $450 GA Addressees add 6% tar Send 15173 Moran St IAI MO VISA MG 85 Sop check POBos 2212 18110w 0 1030 days check Weotminoter Ca 02684 clearance 714 893-8311 GOD charges plan $100 Hrs Mon-Fri 9AM 5PM handling Icash Only PlC Video Tape Vol 1 Basics C 115 minutes total running time C C grat aducational value reconunendQd clubs hobb9— shop ownerS. Model Aviation Nov 1987 Only $1795 tax & shipping mci VISA M/C orders call 415 967-5134 Penn International Chemicals 943 Steirlin Rd Mt View CA 3 mm mm m m mm mm m TWINS ARE CLASSIC AND AFFORDABLE Looking inexpensive opposed twin replace shaking smelly gas burner want scale like appearance smooth running 2 cycle glow operation Yes its back basics EHS Tradings Twin Star Comments .Have lot engnm no doubt thus u probaily best Bill Thomas Lake Havaau AZ .The Twin Star osceptionaiJy smooth engne thus displacement size Clarance Lee ENGINE EDITOR RCM MAGAZINE answer question often asked muffler availabler Wes muffler & header available CALL FOR INFORMATION EHS TRADING LTD 400 HUALANI ST BLDG 13E HILO HAWAII 96720 RC Electrics/Kopski Continued page 141 some motors power levels considerably ex cess whats shown never did test stand yield before time running 15 x 7 past 4500 rpm level pulled entire test stand over destroyed prop blades Talk about thrust dont know much thrust was BIG Anyway got new blades sure nice able get replacement parts Im gonna pursue further now youll have satisfied data have table information can useful sev eral ways First suggest graph grid pa per some parameter combinations such voltage axis rpm other voltmeter tach can easily see own system compares data guideline fact can fairly good job voltmeter Just assume voltage actually reaching motor about 10 11 volts per cell Multiplying num ber cells will give predicted rpm range voltage/rpm graph course other combinations information such curves power rpm can plotted Graphing real eye-opener Notice just little change rpm corresponds large change power ever wondered just few rpm made such difference flight performance reason true Gas-flying friends Rubber fliers too Next month special issue Sep tember 1988 Model Aviation represents fifth year association magazine has truly enjoyable ex perience both working good folks MA sharing Electric information fun light goes well expect deviate normal column format bit offer something little special next month Please forward comment question SASE please author address given very top column keep fingers away large fiberglass folder blades cause though dont need flip-start Electrics its generally useful keep 10 Chief Modelmaker Above put hand 1 -800-63HOBB V 808 935-9009 HAWAII STD TIME 10 AM-7PM Mon-Sag RC ScalelWischers Continued page 53 develop construction drawings first item list Scale modelers attributes namely pati ence must strong points hit/her makeup Almost same classbut quiteis person would like Scale model air craft hasnt done beforedifferent necessarily obscure own experience have yet run out subjects pub lished three-view drawings semiobseure types need really deep research hasnt yet occurred one-of-a-kind aircraft didnt remain obscure once modelers got hold design data Benny Howards racers example modeler chooses extremely com plex prototypemutiengines multiwings endless external detail struts rigging elab orate color schememust motivated limit project becomes infinite boring Kits type model rare Construction drawings can sometimes found much sup plementary data needed complete truly Scale airplane therefore large amounts re search must undertaken go see really super-Scale air craft models time World Championship Scale competition place see best Nats also rated highly other event attracted top-quality models especially FM class too few Sport Scale class theNats has re cently attracting modelers high-quality airplanes could flown FM class competitors chose has shift builders fine Scale aircraft away contests toward gather ings such Scale rallies recent years best have seen meets Merritt Zimmermanas A-scale DH Moth example being completely scale respect including handmade four-cylinder four-stroke engine being custom-designed custom-built Other examples Bob Nelitzs Piper J-3 Tay loreraft clipped-wing Bucker Jungman A-scale Models large size enable exact detailing need work under magni fier Currently aircraft seen Scale ral lies Toledo represent state-of-the-art Scale modeling What aweinspiring masterpieces flown scalelike manner closet queens appear shows prizes ribbons oniy certainiy confused glitter seen 00 Without Muffler large shows represent upper crust route ascent simple Scale model originating kit scratch-designed -built models surpass alland fly realistically top off assumes creators elegant air craft somehow different average modeler need describe backgrounds Dissatisfaction runs high makeup successive product oniy surpassed next using knowledge acquired Accumulated ex perience techniques general know constantly being updated isnt surprising find relationships such father/son engaged collecting knowledge frequently find modeler has connections full-size aviation activity People know airplanes often top modelers Scale flying An incident will cause minor damage trainer-type model can catastro phe Scale model tells us flight dis cipline important Scale flying stakes 144 Model Aviation 40 CC124 CU IN IMPACT ENGINEERING PROUDLY ANNOUNCES THAT OUR FULL PRODUCT LINE IS NOW CARRIED DY GREAT PLANES DISTR Iii KIj I-u LINE SYSTEMS PO Box 1502 Lewiston 04241 [12 Volt Winches responding advertisers mention read about Model Aviation W0flLOS SIOGESO SCALE PEOTO SEPV06 600 P10r0 PA0OS PLANS 3 VtEWS PHOTO-PACKS PLANS ENLARGING SASE EOErSng 00w JIo Pepiros Catatog $t- 00 60 SCflLF PlANS PHOTO SEOUIC[ 3209 Mdson Geeosboo Nc 27403 PSOoP (9192925239 No CoIleC high model has three 10 times building time invested reluctance gamble weather wind other doubtful con ditions other hand personal policy fly Scale models often show signs wear little value constantly spending time air trainer-type model order preserve Scale airplane trainer has taught us can few hours model similar weight flight character istics Scale models better trainer keep pilot proficient controls Former World Champion Dave Masterton used dupli cate deHavilland Drover trimotor train ing purposes carried halfway around world Australia Paris provide practice second airplane actually superfi cial resemblance Scale model its per formance similar constructed plastic foam represented truly expend able model airplane rough finish may have ashamed display own NEWSPACESAVING FUEL CONTAINER FitainVourBox 2%x7%highx9 Tough Rigid Polyethylene udes Tubing eners Lock Tubing North Products PO Box 18419 Through Cap ostage cleveland Heights OH 44118 club flying field served purpose typical trainer too forgiving pilot error really make improvement flight skill purpose preserving Scale modelswe must first rid bad habits Aimless wander ing around sky occasional maneuver thrown convenient doesnt develop flight discipline Takeoff should straight line line continued sky safe height sudden downwind turn after liftoff has spelled demise countless airplanes Scale models supposed emulate full-size air craft Landings should practiced standard rectangular traffic pattern size being depen dent upon model speed final approach leg pattern should straight line until model comes full stop Dont attempt maneuver flight Concentrate performing maneuver scalelike procedure some flights tank full fuel used polishing teehnique single maneuver Most importantly model must permitted wander off se lected course progress isnt being made portion flight make landing stop think reason helps have someone nearby converse during flight remind pilot what er ror occurred help find reason pilot equal ability best critic Toledo airplanes few years ago anyone bringing newest Scale creation Toledo display awards could expect overwhelming competition situation seems have changed least temporarily hear complaints expected swarm top-quality Scale models hasnt materialized Toledo visitors arrive specifically view Scale models disap pointed complainers builders didnt bring own models prizes Toledo complete radio sys tems would expect prizes such great value would compelling incentive bring Scale airplanes display few excep tions better airplane displays com mercial exhibits representative what can built kits problem seems come misunder standing what required win Toledo see models obviously never intended flywithout radio equipment no model en gine installed Grossly exaggerated details heavy emphasis glitter attracts spectator inter est knowing Scale aficionado recognizes falsity Hal Parenti displayed newest masterpiece Ryan FR-l Fireball has radial engine prop up front jet engine amidships pusher cockpit place few observers recognized model genuine twinengine ducted fan rear position front engine Supertigre 75 Kress fan uses 05 46 truly innovative approach Scale modeling repre sents motivational urge mentioned earlier viewpoint competitive Scale model ing Ryan has distinct advantage clas sified a twin scoring both engines same axis avoid offset thrust prob lems associated power loss other twins Flight engine throttled becomes practi cal reality undue risk Ryans finish dark blue minimum gloss definitely lacked glitter model displayed top quality down its handmade shock struts retracting gear Another immense project shown Toledo Grumman F-14 Tomcat e James Le Blanc Its electrically operated variable-sweep wings completely covered carbon fiber Power supplied its Hurricane fans pair Rossi 90 engines weight 48 lb wing loading could quite high Molds have made reproduce parts future kit Verne Corp Keith Shaws Electric Scale models have defi nitely become part Toledo scene new est Stearman PT-17 / scale 64-in span Keith has developed art very light struc ture airframe weight four pounds Radio nine ounces power equipment bring its flying weight up nine pounds motor Astro cobalt 60 RC Giant Scale/de Vries Continued page 57 Id like suggest two lists Giant Scale modeler First listing critical items needed flight minor field maintenance both model radio items needed model might include mixed fuel props spark/glow plugs extra wing engine mount ing bolts suitable wheel collars omnipo tent fire extinguisher group supplies maintenance radio system should include extra servo wheels screws second charged receiver battery pack pushrod keepers second checklist might prepared use during model preflight size models results relatively greater complexity things check before crank up fly Thus list should consider step-by-step procedure model assembly control functioning ra dio range check before first flight day methodical approach preflighting Giants will go long way promoting flight safety An added plus using checklists brings August 1988 145 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great perfor mance Thermal Charger fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 FLOAT PLANS FOAM CORE WE OFFER SELECTION OF FLOAT PLANS FOR 4 12 POUND AIRPLANES WITH V HULL DESIGN IN USE SINCE 1972 SEND SASE FOR CATALOG SHEET KIRCHER R/C PRODUCTS NC S SHEFFiELD WAY CLARK NJ 07066 LATNES MIL S MET6.S 800KS PPE6ISION INSTRUIAERTS COMPEIS 6616 06 2 66 CAMPIEU DDLS ce Campsc 5~513 52 1562 PAW DIESELS Englands Finest 049 35 R/C STD Send $100 list Eric clutton 913 cedar Lane Tullahoma Tenn 37388
Edition: Model Aviation - 1988/08
Page Numbers: 52, 53, 144, 145
ANATOMY Scale What would motivate model builder enter field RC Scale Searching minds answer have come up number reasons motivated Probably basic motivation love real aircraft inclination surround ourselves attractive realistic Scale mod els Since cannot have tantalizing airplanes see museums airport satisty ourselves some extent models real problem limit num ber built fit average house Scale modeling like eating peanuts No stops eat ing peanut out bag Scale mod eling first whets appetite morewhich helps explain present family collection 20 including couple Peanuts Another source motivation search realismand especially applies flight quality Seeing Scale aircraft perform ul timate visual experience model fliers well casual onlookers know true because large numbers spectators Scale event contestand watchers nonmodelers popular Scale rallies World Championships see throngs spectators have pald admission witness Scale models action people come stay dont leave boredom after watching flight two attention points subtie reasons Scale modelers like exhibit pro ducts Its ego trip have aircraft admired particularly performs scalelike man ner truly disciplined flight accurate sim ulation full-size maneuvers performed prototype course aspect Scale modeling varies considerably among individuals least surface some will thirst ad ulation others may ny hide spot light Scale enthusiast delighted ap preciation shown craftsmanship again displays ability control model realistic flight four basic ingredients Scale modelers composition Three readily ac quired patience skill know ledge Only latter element comes experi ence over extended period other two can photos month 1988 Toledo exposition Owen Wysongs spectacular Sea Horse L design Ray Halupa under development Mustang Aircraft Corp Model 1A-scale spans 80 weighs 235 lb uses OS 240 four-stroke engine Its finish Dupont acrylic lacquer over two-oz glass cloth epoxy resin Big F-i 4 Tomcal R built James LeBlanc Wing sweeps electric power Retractable gear works com pressed air Power pair Rossi 90 engines driving Hurricane ducted fans 1A-scale Chuck Lucas Avenger ultralight L scratch-built has basic structure 6061 aluminum tubing Surfaces controlled cable/pulley systems Engine OS Gemini twin-cylinder four-stroke Weight 19 lb span 112 covering ripstop nylon Hal Parentis latest twin-engine Ryan FR-i Fireball R Wingspan 72 weight 165 lb Front engine Spertigre 75 Rear engine Yes really 05 46 driving Kress ducted fan unit Finish K&B Superpoxy Learjet 35A L 1/ scale spans 835 974 long Builder Mark Frankel powers pair Rossi 65s driving Dynamax fans Keith Shaws latest Electric R %-scale Stearman PT-17 An Astro cobalt 60 powers Battery pack uses 28 cells 1200 mAh capacity Airframe weighs 64 oz radio 9 oz power equipment 71 oz Total weight 9 lb Craft spans 645 52 Model Aviation Radio Conoi Scale Bob Dolly Wischer 5-221 Lapham Peak Rd Delafleld WI 53018 ----- -- learned rather quickly fourth element desire Anyone wants Scale model badly enough will soon ac quire other three Along lines Scale modeling has capability somewhat alter per sonality traits seeking purpose ful hobby also three basic requisites phys ical production Scale model re search design construction build topquality Scale model often extensive re search effort involved know modelers thoroughly researched particular aircraft before building beganand found afterward gathered information anyone done previously become experts best approach gathering data support construction models visit full size aircraft Gather much information can both photos actual dimensions prototype isnt available research con ducted through archives libraries manufacturers often successful magazine book collections Purveyors Scale data advertise model magazines Sport Scale-type models research ef fort can considerably less depending upon amount detail incorporated mod el other hand some so-called Sport Scale models see could vety well Preci sion Scale competition dividing line isnt clear between two classes Design model major concern scratch-builder works threeview drawings photosor di mensions sketches made directly prototype largest proportion Scale model ers work kits construction drawings designers have provided neces sary information point no needs skilled craftsman order enjoy Scale individual modeler stops stage may like process finishing detail ing air model doesnt show lack de tail exception large items such bold colorful insignia Competitive spirit motivation Scale modeler sees aircrafthis own othersas step line ascent medi ocrity near-perfection modelers seen contests Nats team trials World Championships often view modeling scene entirely different perspective example Scale enthusiasts will choose subject aircraft strikes personal fancy airplanes modelers list desirable subjects time alone limits production contest-oriented modeler may have en tirely different set values main focus terest models winning potential has no objection spending year hobby time construction unloved pro totype Finally motivation factor among scratch-building Scale enthusiasts feel com pulsion create models obscure aircraft types seldom chosen others course no kits plans possibly three-view drawings Absence documentation increases attractiveness modeler becomes challenge uncover information diligent search Some projects tend become longterm ones starting idea single photo Only after years gathering information will modeler have acquired sufficient data Continued page 144 August 1988 53 Major Decal pass flying colors DISTRIBUTORS INQUIRIES INVITED Call Paul Major 413 525-4110 L *7 GIant Scale 18 Sheets *60 Size38 Sheets *40 Size Sheets * Propeller Decals WT 6 Sheets-3 sizes ea *Kill Markings 12 Sheets * Nomenclature Markings 3 Sizes -12 Sheets Black White copy * Letters Numbers 1 2 3 4 4-13/16 10 Colors * Stars 10 Colors 11 Sizes plus Sheet Assorted Sizes Seed /OOi4 -4major decals Custom decals Manufacturers__ NORTHtAST SCREEN GRAPHICS 21 FISHER AVE. tAST LONGMEADOW MA R102R TEL 413-525411t V F-lOG SUPERSABER 67 L x 54 WS tanks dive brake4 9 Channel optional drop28 oz Wing Load Available April 88832 sq area $32500 1/86 Scalp F-20 TIGERSHARK70 L x 48 WS 5 Channel 32 oz Wing Load 712 sq area $28900 1/8 Scale SAAB AJ37 VIGGEN optional canard flaps 64 L x 45 WS 5 -6 Channel 26 oz Wing Load 895 sq area *$32900 1/9 5 Scale VIDEO $1995 $200 Kit Info & Dealer List L s SCL $9995 4 5 CH NG CANARDS SOL Quickie $7495 4 CH 5 ENG Canard Trainer $4495 4 CH 35-45 ENG Made USA Modelers Modelers US Foreign Dealers/Oistributors Wanted Cressline Model Products Ltd W23h Nlk9O BUSSE RD VVAUKESHA WI 53188414 548-3792 &SSSflflaAAAa HOity Horn hobby pea e Kits P& W ModelService 193S Miss America 84$7196 1936 Baccaneer 84 $5998 1937 Daliaire tot$7516 lsasciipperMkl 72 $4158 1938 Kioad King 63$4238 1938 Powertiouse 64 $6386 1938 Record Breaker 96$8958 1938 Trenton Terror 72$4076 1939 Korda Wake 44$1916 1929 Mercary 72 $5836 1939 Zipper 54$5356 1940 Ranger 46 $3198 1940 Sailpiane 76$8476 1940 So Long 50 $3038 1941 Brigidier 86$4876 1941Saper Onaker 78 87276 1941 Piayboyjr 54$3116 1941Pisyboy Sr tO $5116 1941 Brookion Dodner56 $4238 Midway Model Co Full Kits 1936 Fiying Guaker 84$64781938Powerhoase 50 $2996 1937 Long cabin 78$47181939 T sportser50 $2996 1937 Guaker Flash 67$45S61940 Buozard Bombuheti 1937 Air chief ei$359672 spankt $5696 1940 New Rater 74$711650 spoest $3596 above kits qaatify Sam events 1FF & R/G featare tbe bighcst quality machine cat & sanded parts shect & snip wood wire & window materiat Most plans thc original PF models easily convertible 3ch R/G Sailpianes Electric Power Gas Kits MIDWAY MODEL GOELEcTRIc MODEL DESIGN Gnome HLG 60$2400Sky Knight 05 DII$2400 Omme 2M Older78$3796Eledra 0148 73 105 D$3100 Fast Eddie 05 D$2400Lightning 36 05 Dl$2400 UtraMkiV IWO$3796TherweTraneller OsDorGI$3100 EleOric PlayboyIOta$2800 Hobby Horn Sensoar Glider 76 nr 05 electric$1800 Astro challenger cs Geared$3250 Astro Viking 05 Geared$3250 Autro Portertield 15 25 Geared$0998 Astro SpoC 37 05 Direct$2998 Daveys Robin 05 Geared$3371 Daveys Le Grate 05 Geared$3596 FULL LINE OF ELECTRIC 5y0raO 5 AVAIL SHIPPiNG 5 HANDLING76 Page cATALOGUE Up $800 add5200$200 py/Ist Glass free $901 tO $2000 Odd$200when requested order $2001 $4500 add5325 $45Ot 1057000 add $375 HOBBY HORN Over $7000 add $450 GA Addressees add 6% tar Send 15173 Moran St IAI MO VISA MG 85 Sop check POBos 2212 18110w 0 1030 days check Weotminoter Ca 02684 clearance 714 893-8311 GOD charges plan $100 Hrs Mon-Fri 9AM 5PM handling Icash Only PlC Video Tape Vol 1 Basics C 115 minutes total running time C C grat aducational value reconunendQd clubs hobb9— shop ownerS. Model Aviation Nov 1987 Only $1795 tax & shipping mci VISA M/C orders call 415 967-5134 Penn International Chemicals 943 Steirlin Rd Mt View CA 3 mm mm m m mm mm m TWINS ARE CLASSIC AND AFFORDABLE Looking inexpensive opposed twin replace shaking smelly gas burner want scale like appearance smooth running 2 cycle glow operation Yes its back basics EHS Tradings Twin Star Comments .Have lot engnm no doubt thus u probaily best Bill Thomas Lake Havaau AZ .The Twin Star osceptionaiJy smooth engne thus displacement size Clarance Lee ENGINE EDITOR RCM MAGAZINE answer question often asked muffler availabler Wes muffler & header available CALL FOR INFORMATION EHS TRADING LTD 400 HUALANI ST BLDG 13E HILO HAWAII 96720 RC Electrics/Kopski Continued page 141 some motors power levels considerably ex cess whats shown never did test stand yield before time running 15 x 7 past 4500 rpm level pulled entire test stand over destroyed prop blades Talk about thrust dont know much thrust was BIG Anyway got new blades sure nice able get replacement parts Im gonna pursue further now youll have satisfied data have table information can useful sev eral ways First suggest graph grid pa per some parameter combinations such voltage axis rpm other voltmeter tach can easily see own system compares data guideline fact can fairly good job voltmeter Just assume voltage actually reaching motor about 10 11 volts per cell Multiplying num ber cells will give predicted rpm range voltage/rpm graph course other combinations information such curves power rpm can plotted Graphing real eye-opener Notice just little change rpm corresponds large change power ever wondered just few rpm made such difference flight performance reason true Gas-flying friends Rubber fliers too Next month special issue Sep tember 1988 Model Aviation represents fifth year association magazine has truly enjoyable ex perience both working good folks MA sharing Electric information fun light goes well expect deviate normal column format bit offer something little special next month Please forward comment question SASE please author address given very top column keep fingers away large fiberglass folder blades cause though dont need flip-start Electrics its generally useful keep 10 Chief Modelmaker Above put hand 1 -800-63HOBB V 808 935-9009 HAWAII STD TIME 10 AM-7PM Mon-Sag RC ScalelWischers Continued page 53 develop construction drawings first item list Scale modelers attributes namely pati ence must strong points hit/her makeup Almost same classbut quiteis person would like Scale model air craft hasnt done beforedifferent necessarily obscure own experience have yet run out subjects pub lished three-view drawings semiobseure types need really deep research hasnt yet occurred one-of-a-kind aircraft didnt remain obscure once modelers got hold design data Benny Howards racers example modeler chooses extremely com plex prototypemutiengines multiwings endless external detail struts rigging elab orate color schememust motivated limit project becomes infinite boring Kits type model rare Construction drawings can sometimes found much sup plementary data needed complete truly Scale airplane therefore large amounts re search must undertaken go see really super-Scale air craft models time World Championship Scale competition place see best Nats also rated highly other event attracted top-quality models especially FM class too few Sport Scale class theNats has re cently attracting modelers high-quality airplanes could flown FM class competitors chose has shift builders fine Scale aircraft away contests toward gather ings such Scale rallies recent years best have seen meets Merritt Zimmermanas A-scale DH Moth example being completely scale respect including handmade four-cylinder four-stroke engine being custom-designed custom-built Other examples Bob Nelitzs Piper J-3 Tay loreraft clipped-wing Bucker Jungman A-scale Models large size enable exact detailing need work under magni fier Currently aircraft seen Scale ral lies Toledo represent state-of-the-art Scale modeling What aweinspiring masterpieces flown scalelike manner closet queens appear shows prizes ribbons oniy certainiy confused glitter seen 00 Without Muffler large shows represent upper crust route ascent simple Scale model originating kit scratch-designed -built models surpass alland fly realistically top off assumes creators elegant air craft somehow different average modeler need describe backgrounds Dissatisfaction runs high makeup successive product oniy surpassed next using knowledge acquired Accumulated ex perience techniques general know constantly being updated isnt surprising find relationships such father/son engaged collecting knowledge frequently find modeler has connections full-size aviation activity People know airplanes often top modelers Scale flying An incident will cause minor damage trainer-type model can catastro phe Scale model tells us flight dis cipline important Scale flying stakes 144 Model Aviation 40 CC124 CU IN IMPACT ENGINEERING PROUDLY ANNOUNCES THAT OUR FULL PRODUCT LINE IS NOW CARRIED DY GREAT PLANES DISTR Iii KIj I-u LINE SYSTEMS PO Box 1502 Lewiston 04241 [12 Volt Winches responding advertisers mention read about Model Aviation W0flLOS SIOGESO SCALE PEOTO SEPV06 600 P10r0 PA0OS PLANS 3 VtEWS PHOTO-PACKS PLANS ENLARGING SASE EOErSng 00w JIo Pepiros Catatog $t- 00 60 SCflLF PlANS PHOTO SEOUIC[ 3209 Mdson Geeosboo Nc 27403 PSOoP (9192925239 No CoIleC high model has three 10 times building time invested reluctance gamble weather wind other doubtful con ditions other hand personal policy fly Scale models often show signs wear little value constantly spending time air trainer-type model order preserve Scale airplane trainer has taught us can few hours model similar weight flight character istics Scale models better trainer keep pilot proficient controls Former World Champion Dave Masterton used dupli cate deHavilland Drover trimotor train ing purposes carried halfway around world Australia Paris provide practice second airplane actually superfi cial resemblance Scale model its per formance similar constructed plastic foam represented truly expend able model airplane rough finish may have ashamed display own NEWSPACESAVING FUEL CONTAINER FitainVourBox 2%x7%highx9 Tough Rigid Polyethylene udes Tubing eners Lock Tubing North Products PO Box 18419 Through Cap ostage cleveland Heights OH 44118 club flying field served purpose typical trainer too forgiving pilot error really make improvement flight skill purpose preserving Scale modelswe must first rid bad habits Aimless wander ing around sky occasional maneuver thrown convenient doesnt develop flight discipline Takeoff should straight line line continued sky safe height sudden downwind turn after liftoff has spelled demise countless airplanes Scale models supposed emulate full-size air craft Landings should practiced standard rectangular traffic pattern size being depen dent upon model speed final approach leg pattern should straight line until model comes full stop Dont attempt maneuver flight Concentrate performing maneuver scalelike procedure some flights tank full fuel used polishing teehnique single maneuver Most importantly model must permitted wander off se lected course progress isnt being made portion flight make landing stop think reason helps have someone nearby converse during flight remind pilot what er ror occurred help find reason pilot equal ability best critic Toledo airplanes few years ago anyone bringing newest Scale creation Toledo display awards could expect overwhelming competition situation seems have changed least temporarily hear complaints expected swarm top-quality Scale models hasnt materialized Toledo visitors arrive specifically view Scale models disap pointed complainers builders didnt bring own models prizes Toledo complete radio sys tems would expect prizes such great value would compelling incentive bring Scale airplanes display few excep tions better airplane displays com mercial exhibits representative what can built kits problem seems come misunder standing what required win Toledo see models obviously never intended flywithout radio equipment no model en gine installed Grossly exaggerated details heavy emphasis glitter attracts spectator inter est knowing Scale aficionado recognizes falsity Hal Parenti displayed newest masterpiece Ryan FR-l Fireball has radial engine prop up front jet engine amidships pusher cockpit place few observers recognized model genuine twinengine ducted fan rear position front engine Supertigre 75 Kress fan uses 05 46 truly innovative approach Scale modeling repre sents motivational urge mentioned earlier viewpoint competitive Scale model ing Ryan has distinct advantage clas sified a twin scoring both engines same axis avoid offset thrust prob lems associated power loss other twins Flight engine throttled becomes practi cal reality undue risk Ryans finish dark blue minimum gloss definitely lacked glitter model displayed top quality down its handmade shock struts retracting gear Another immense project shown Toledo Grumman F-14 Tomcat e James Le Blanc Its electrically operated variable-sweep wings completely covered carbon fiber Power supplied its Hurricane fans pair Rossi 90 engines weight 48 lb wing loading could quite high Molds have made reproduce parts future kit Verne Corp Keith Shaws Electric Scale models have defi nitely become part Toledo scene new est Stearman PT-17 / scale 64-in span Keith has developed art very light struc ture airframe weight four pounds Radio nine ounces power equipment bring its flying weight up nine pounds motor Astro cobalt 60 RC Giant Scale/de Vries Continued page 57 Id like suggest two lists Giant Scale modeler First listing critical items needed flight minor field maintenance both model radio items needed model might include mixed fuel props spark/glow plugs extra wing engine mount ing bolts suitable wheel collars omnipo tent fire extinguisher group supplies maintenance radio system should include extra servo wheels screws second charged receiver battery pack pushrod keepers second checklist might prepared use during model preflight size models results relatively greater complexity things check before crank up fly Thus list should consider step-by-step procedure model assembly control functioning ra dio range check before first flight day methodical approach preflighting Giants will go long way promoting flight safety An added plus using checklists brings August 1988 145 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great perfor mance Thermal Charger fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 FLOAT PLANS FOAM CORE WE OFFER SELECTION OF FLOAT PLANS FOR 4 12 POUND AIRPLANES WITH V HULL DESIGN IN USE SINCE 1972 SEND SASE FOR CATALOG SHEET KIRCHER R/C PRODUCTS NC S SHEFFiELD WAY CLARK NJ 07066 LATNES MIL S MET6.S 800KS PPE6ISION INSTRUIAERTS COMPEIS 6616 06 2 66 CAMPIEU DDLS ce Campsc 5~513 52 1562 PAW DIESELS Englands Finest 049 35 R/C STD Send $100 list Eric clutton 913 cedar Lane Tullahoma Tenn 37388
Edition: Model Aviation - 1988/08
Page Numbers: 52, 53, 144, 145
ANATOMY Scale What would motivate model builder enter field RC Scale Searching minds answer have come up number reasons motivated Probably basic motivation love real aircraft inclination surround ourselves attractive realistic Scale mod els Since cannot have tantalizing airplanes see museums airport satisty ourselves some extent models real problem limit num ber built fit average house Scale modeling like eating peanuts No stops eat ing peanut out bag Scale mod eling first whets appetite morewhich helps explain present family collection 20 including couple Peanuts Another source motivation search realismand especially applies flight quality Seeing Scale aircraft perform ul timate visual experience model fliers well casual onlookers know true because large numbers spectators Scale event contestand watchers nonmodelers popular Scale rallies World Championships see throngs spectators have pald admission witness Scale models action people come stay dont leave boredom after watching flight two attention points subtie reasons Scale modelers like exhibit pro ducts Its ego trip have aircraft admired particularly performs scalelike man ner truly disciplined flight accurate sim ulation full-size maneuvers performed prototype course aspect Scale modeling varies considerably among individuals least surface some will thirst ad ulation others may ny hide spot light Scale enthusiast delighted ap preciation shown craftsmanship again displays ability control model realistic flight four basic ingredients Scale modelers composition Three readily ac quired patience skill know ledge Only latter element comes experi ence over extended period other two can photos month 1988 Toledo exposition Owen Wysongs spectacular Sea Horse L design Ray Halupa under development Mustang Aircraft Corp Model 1A-scale spans 80 weighs 235 lb uses OS 240 four-stroke engine Its finish Dupont acrylic lacquer over two-oz glass cloth epoxy resin Big F-i 4 Tomcal R built James LeBlanc Wing sweeps electric power Retractable gear works com pressed air Power pair Rossi 90 engines driving Hurricane ducted fans 1A-scale Chuck Lucas Avenger ultralight L scratch-built has basic structure 6061 aluminum tubing Surfaces controlled cable/pulley systems Engine OS Gemini twin-cylinder four-stroke Weight 19 lb span 112 covering ripstop nylon Hal Parentis latest twin-engine Ryan FR-i Fireball R Wingspan 72 weight 165 lb Front engine Spertigre 75 Rear engine Yes really 05 46 driving Kress ducted fan unit Finish K&B Superpoxy Learjet 35A L 1/ scale spans 835 974 long Builder Mark Frankel powers pair Rossi 65s driving Dynamax fans Keith Shaws latest Electric R %-scale Stearman PT-17 An Astro cobalt 60 powers Battery pack uses 28 cells 1200 mAh capacity Airframe weighs 64 oz radio 9 oz power equipment 71 oz Total weight 9 lb Craft spans 645 52 Model Aviation Radio Conoi Scale Bob Dolly Wischer 5-221 Lapham Peak Rd Delafleld WI 53018 ----- -- learned rather quickly fourth element desire Anyone wants Scale model badly enough will soon ac quire other three Along lines Scale modeling has capability somewhat alter per sonality traits seeking purpose ful hobby also three basic requisites phys ical production Scale model re search design construction build topquality Scale model often extensive re search effort involved know modelers thoroughly researched particular aircraft before building beganand found afterward gathered information anyone done previously become experts best approach gathering data support construction models visit full size aircraft Gather much information can both photos actual dimensions prototype isnt available research con ducted through archives libraries manufacturers often successful magazine book collections Purveyors Scale data advertise model magazines Sport Scale-type models research ef fort can considerably less depending upon amount detail incorporated mod el other hand some so-called Sport Scale models see could vety well Preci sion Scale competition dividing line isnt clear between two classes Design model major concern scratch-builder works threeview drawings photosor di mensions sketches made directly prototype largest proportion Scale model ers work kits construction drawings designers have provided neces sary information point no needs skilled craftsman order enjoy Scale individual modeler stops stage may like process finishing detail ing air model doesnt show lack de tail exception large items such bold colorful insignia Competitive spirit motivation Scale modeler sees aircrafthis own othersas step line ascent medi ocrity near-perfection modelers seen contests Nats team trials World Championships often view modeling scene entirely different perspective example Scale enthusiasts will choose subject aircraft strikes personal fancy airplanes modelers list desirable subjects time alone limits production contest-oriented modeler may have en tirely different set values main focus terest models winning potential has no objection spending year hobby time construction unloved pro totype Finally motivation factor among scratch-building Scale enthusiasts feel com pulsion create models obscure aircraft types seldom chosen others course no kits plans possibly three-view drawings Absence documentation increases attractiveness modeler becomes challenge uncover information diligent search Some projects tend become longterm ones starting idea single photo Only after years gathering information will modeler have acquired sufficient data Continued page 144 August 1988 53 Major Decal pass flying colors DISTRIBUTORS INQUIRIES INVITED Call Paul Major 413 525-4110 L *7 GIant Scale 18 Sheets *60 Size38 Sheets *40 Size Sheets * Propeller Decals WT 6 Sheets-3 sizes ea *Kill Markings 12 Sheets * Nomenclature Markings 3 Sizes -12 Sheets Black White copy * Letters Numbers 1 2 3 4 4-13/16 10 Colors * Stars 10 Colors 11 Sizes plus Sheet Assorted Sizes Seed /OOi4 -4major decals Custom decals Manufacturers__ NORTHtAST SCREEN GRAPHICS 21 FISHER AVE. tAST LONGMEADOW MA R102R TEL 413-525411t V F-lOG SUPERSABER 67 L x 54 WS tanks dive brake4 9 Channel optional drop28 oz Wing Load Available April 88832 sq area $32500 1/86 Scalp F-20 TIGERSHARK70 L x 48 WS 5 Channel 32 oz Wing Load 712 sq area $28900 1/8 Scale SAAB AJ37 VIGGEN optional canard flaps 64 L x 45 WS 5 -6 Channel 26 oz Wing Load 895 sq area *$32900 1/9 5 Scale VIDEO $1995 $200 Kit Info & Dealer List L s SCL $9995 4 5 CH NG CANARDS SOL Quickie $7495 4 CH 5 ENG Canard Trainer $4495 4 CH 35-45 ENG Made USA Modelers Modelers US Foreign Dealers/Oistributors Wanted Cressline Model Products Ltd W23h Nlk9O BUSSE RD VVAUKESHA WI 53188414 548-3792 &SSSflflaAAAa HOity Horn hobby pea e Kits P& W ModelService 193S Miss America 84$7196 1936 Baccaneer 84 $5998 1937 Daliaire tot$7516 lsasciipperMkl 72 $4158 1938 Kioad King 63$4238 1938 Powertiouse 64 $6386 1938 Record Breaker 96$8958 1938 Trenton Terror 72$4076 1939 Korda Wake 44$1916 1929 Mercary 72 $5836 1939 Zipper 54$5356 1940 Ranger 46 $3198 1940 Sailpiane 76$8476 1940 So Long 50 $3038 1941 Brigidier 86$4876 1941Saper Onaker 78 87276 1941 Piayboyjr 54$3116 1941Pisyboy Sr tO $5116 1941 Brookion Dodner56 $4238 Midway Model Co Full Kits 1936 Fiying Guaker 84$64781938Powerhoase 50 $2996 1937 Long cabin 78$47181939 T sportser50 $2996 1937 Guaker Flash 67$45S61940 Buozard Bombuheti 1937 Air chief ei$359672 spankt $5696 1940 New Rater 74$711650 spoest $3596 above kits qaatify Sam events 1FF & R/G featare tbe bighcst quality machine cat & sanded parts shect & snip wood wire & window materiat Most plans thc original PF models easily convertible 3ch R/G Sailpianes Electric Power Gas Kits MIDWAY MODEL GOELEcTRIc MODEL DESIGN Gnome HLG 60$2400Sky Knight 05 DII$2400 Omme 2M Older78$3796Eledra 0148 73 105 D$3100 Fast Eddie 05 D$2400Lightning 36 05 Dl$2400 UtraMkiV IWO$3796TherweTraneller OsDorGI$3100 EleOric PlayboyIOta$2800 Hobby Horn Sensoar Glider 76 nr 05 electric$1800 Astro challenger cs Geared$3250 Astro Viking 05 Geared$3250 Autro Portertield 15 25 Geared$0998 Astro SpoC 37 05 Direct$2998 Daveys Robin 05 Geared$3371 Daveys Le Grate 05 Geared$3596 FULL LINE OF ELECTRIC 5y0raO 5 AVAIL SHIPPiNG 5 HANDLING76 Page cATALOGUE Up $800 add5200$200 py/Ist Glass free $901 tO $2000 Odd$200when requested order $2001 $4500 add5325 $45Ot 1057000 add $375 HOBBY HORN Over $7000 add $450 GA Addressees add 6% tar Send 15173 Moran St IAI MO VISA MG 85 Sop check POBos 2212 18110w 0 1030 days check Weotminoter Ca 02684 clearance 714 893-8311 GOD charges plan $100 Hrs Mon-Fri 9AM 5PM handling Icash Only PlC Video Tape Vol 1 Basics C 115 minutes total running time C C grat aducational value reconunendQd clubs hobb9— shop ownerS. Model Aviation Nov 1987 Only $1795 tax & shipping mci VISA M/C orders call 415 967-5134 Penn International Chemicals 943 Steirlin Rd Mt View CA 3 mm mm m m mm mm m TWINS ARE CLASSIC AND AFFORDABLE Looking inexpensive opposed twin replace shaking smelly gas burner want scale like appearance smooth running 2 cycle glow operation Yes its back basics EHS Tradings Twin Star Comments .Have lot engnm no doubt thus u probaily best Bill Thomas Lake Havaau AZ .The Twin Star osceptionaiJy smooth engne thus displacement size Clarance Lee ENGINE EDITOR RCM MAGAZINE answer question often asked muffler availabler Wes muffler & header available CALL FOR INFORMATION EHS TRADING LTD 400 HUALANI ST BLDG 13E HILO HAWAII 96720 RC Electrics/Kopski Continued page 141 some motors power levels considerably ex cess whats shown never did test stand yield before time running 15 x 7 past 4500 rpm level pulled entire test stand over destroyed prop blades Talk about thrust dont know much thrust was BIG Anyway got new blades sure nice able get replacement parts Im gonna pursue further now youll have satisfied data have table information can useful sev eral ways First suggest graph grid pa per some parameter combinations such voltage axis rpm other voltmeter tach can easily see own system compares data guideline fact can fairly good job voltmeter Just assume voltage actually reaching motor about 10 11 volts per cell Multiplying num ber cells will give predicted rpm range voltage/rpm graph course other combinations information such curves power rpm can plotted Graphing real eye-opener Notice just little change rpm corresponds large change power ever wondered just few rpm made such difference flight performance reason true Gas-flying friends Rubber fliers too Next month special issue Sep tember 1988 Model Aviation represents fifth year association magazine has truly enjoyable ex perience both working good folks MA sharing Electric information fun light goes well expect deviate normal column format bit offer something little special next month Please forward comment question SASE please author address given very top column keep fingers away large fiberglass folder blades cause though dont need flip-start Electrics its generally useful keep 10 Chief Modelmaker Above put hand 1 -800-63HOBB V 808 935-9009 HAWAII STD TIME 10 AM-7PM Mon-Sag RC ScalelWischers Continued page 53 develop construction drawings first item list Scale modelers attributes namely pati ence must strong points hit/her makeup Almost same classbut quiteis person would like Scale model air craft hasnt done beforedifferent necessarily obscure own experience have yet run out subjects pub lished three-view drawings semiobseure types need really deep research hasnt yet occurred one-of-a-kind aircraft didnt remain obscure once modelers got hold design data Benny Howards racers example modeler chooses extremely com plex prototypemutiengines multiwings endless external detail struts rigging elab orate color schememust motivated limit project becomes infinite boring Kits type model rare Construction drawings can sometimes found much sup plementary data needed complete truly Scale airplane therefore large amounts re search must undertaken go see really super-Scale air craft models time World Championship Scale competition place see best Nats also rated highly other event attracted top-quality models especially FM class too few Sport Scale class theNats has re cently attracting modelers high-quality airplanes could flown FM class competitors chose has shift builders fine Scale aircraft away contests toward gather ings such Scale rallies recent years best have seen meets Merritt Zimmermanas A-scale DH Moth example being completely scale respect including handmade four-cylinder four-stroke engine being custom-designed custom-built Other examples Bob Nelitzs Piper J-3 Tay loreraft clipped-wing Bucker Jungman A-scale Models large size enable exact detailing need work under magni fier Currently aircraft seen Scale ral lies Toledo represent state-of-the-art Scale modeling What aweinspiring masterpieces flown scalelike manner closet queens appear shows prizes ribbons oniy certainiy confused glitter seen 00 Without Muffler large shows represent upper crust route ascent simple Scale model originating kit scratch-designed -built models surpass alland fly realistically top off assumes creators elegant air craft somehow different average modeler need describe backgrounds Dissatisfaction runs high makeup successive product oniy surpassed next using knowledge acquired Accumulated ex perience techniques general know constantly being updated isnt surprising find relationships such father/son engaged collecting knowledge frequently find modeler has connections full-size aviation activity People know airplanes often top modelers Scale flying An incident will cause minor damage trainer-type model can catastro phe Scale model tells us flight dis cipline important Scale flying stakes 144 Model Aviation 40 CC124 CU IN IMPACT ENGINEERING PROUDLY ANNOUNCES THAT OUR FULL PRODUCT LINE IS NOW CARRIED DY GREAT PLANES DISTR Iii KIj I-u LINE SYSTEMS PO Box 1502 Lewiston 04241 [12 Volt Winches responding advertisers mention read about Model Aviation W0flLOS SIOGESO SCALE PEOTO SEPV06 600 P10r0 PA0OS PLANS 3 VtEWS PHOTO-PACKS PLANS ENLARGING SASE EOErSng 00w JIo Pepiros Catatog $t- 00 60 SCflLF PlANS PHOTO SEOUIC[ 3209 Mdson Geeosboo Nc 27403 PSOoP (9192925239 No CoIleC high model has three 10 times building time invested reluctance gamble weather wind other doubtful con ditions other hand personal policy fly Scale models often show signs wear little value constantly spending time air trainer-type model order preserve Scale airplane trainer has taught us can few hours model similar weight flight character istics Scale models better trainer keep pilot proficient controls Former World Champion Dave Masterton used dupli cate deHavilland Drover trimotor train ing purposes carried halfway around world Australia Paris provide practice second airplane actually superfi cial resemblance Scale model its per formance similar constructed plastic foam represented truly expend able model airplane rough finish may have ashamed display own NEWSPACESAVING FUEL CONTAINER FitainVourBox 2%x7%highx9 Tough Rigid Polyethylene udes Tubing eners Lock Tubing North Products PO Box 18419 Through Cap ostage cleveland Heights OH 44118 club flying field served purpose typical trainer too forgiving pilot error really make improvement flight skill purpose preserving Scale modelswe must first rid bad habits Aimless wander ing around sky occasional maneuver thrown convenient doesnt develop flight discipline Takeoff should straight line line continued sky safe height sudden downwind turn after liftoff has spelled demise countless airplanes Scale models supposed emulate full-size air craft Landings should practiced standard rectangular traffic pattern size being depen dent upon model speed final approach leg pattern should straight line until model comes full stop Dont attempt maneuver flight Concentrate performing maneuver scalelike procedure some flights tank full fuel used polishing teehnique single maneuver Most importantly model must permitted wander off se lected course progress isnt being made portion flight make landing stop think reason helps have someone nearby converse during flight remind pilot what er ror occurred help find reason pilot equal ability best critic Toledo airplanes few years ago anyone bringing newest Scale creation Toledo display awards could expect overwhelming competition situation seems have changed least temporarily hear complaints expected swarm top-quality Scale models hasnt materialized Toledo visitors arrive specifically view Scale models disap pointed complainers builders didnt bring own models prizes Toledo complete radio sys tems would expect prizes such great value would compelling incentive bring Scale airplanes display few excep tions better airplane displays com mercial exhibits representative what can built kits problem seems come misunder standing what required win Toledo see models obviously never intended flywithout radio equipment no model en gine installed Grossly exaggerated details heavy emphasis glitter attracts spectator inter est knowing Scale aficionado recognizes falsity Hal Parenti displayed newest masterpiece Ryan FR-l Fireball has radial engine prop up front jet engine amidships pusher cockpit place few observers recognized model genuine twinengine ducted fan rear position front engine Supertigre 75 Kress fan uses 05 46 truly innovative approach Scale modeling repre sents motivational urge mentioned earlier viewpoint competitive Scale model ing Ryan has distinct advantage clas sified a twin scoring both engines same axis avoid offset thrust prob lems associated power loss other twins Flight engine throttled becomes practi cal reality undue risk Ryans finish dark blue minimum gloss definitely lacked glitter model displayed top quality down its handmade shock struts retracting gear Another immense project shown Toledo Grumman F-14 Tomcat e James Le Blanc Its electrically operated variable-sweep wings completely covered carbon fiber Power supplied its Hurricane fans pair Rossi 90 engines weight 48 lb wing loading could quite high Molds have made reproduce parts future kit Verne Corp Keith Shaws Electric Scale models have defi nitely become part Toledo scene new est Stearman PT-17 / scale 64-in span Keith has developed art very light struc ture airframe weight four pounds Radio nine ounces power equipment bring its flying weight up nine pounds motor Astro cobalt 60 RC Giant Scale/de Vries Continued page 57 Id like suggest two lists Giant Scale modeler First listing critical items needed flight minor field maintenance both model radio items needed model might include mixed fuel props spark/glow plugs extra wing engine mount ing bolts suitable wheel collars omnipo tent fire extinguisher group supplies maintenance radio system should include extra servo wheels screws second charged receiver battery pack pushrod keepers second checklist might prepared use during model preflight size models results relatively greater complexity things check before crank up fly Thus list should consider step-by-step procedure model assembly control functioning ra dio range check before first flight day methodical approach preflighting Giants will go long way promoting flight safety An added plus using checklists brings August 1988 145 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great perfor mance Thermal Charger fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 FLOAT PLANS FOAM CORE WE OFFER SELECTION OF FLOAT PLANS FOR 4 12 POUND AIRPLANES WITH V HULL DESIGN IN USE SINCE 1972 SEND SASE FOR CATALOG SHEET KIRCHER R/C PRODUCTS NC S SHEFFiELD WAY CLARK NJ 07066 LATNES MIL S MET6.S 800KS PPE6ISION INSTRUIAERTS COMPEIS 6616 06 2 66 CAMPIEU DDLS ce Campsc 5~513 52 1562 PAW DIESELS Englands Finest 049 35 R/C STD Send $100 list Eric clutton 913 cedar Lane Tullahoma Tenn 37388
Edition: Model Aviation - 1988/08
Page Numbers: 52, 53, 144, 145
ANATOMY Scale What would motivate model builder enter field RC Scale Searching minds answer have come up number reasons motivated Probably basic motivation love real aircraft inclination surround ourselves attractive realistic Scale mod els Since cannot have tantalizing airplanes see museums airport satisty ourselves some extent models real problem limit num ber built fit average house Scale modeling like eating peanuts No stops eat ing peanut out bag Scale mod eling first whets appetite morewhich helps explain present family collection 20 including couple Peanuts Another source motivation search realismand especially applies flight quality Seeing Scale aircraft perform ul timate visual experience model fliers well casual onlookers know true because large numbers spectators Scale event contestand watchers nonmodelers popular Scale rallies World Championships see throngs spectators have pald admission witness Scale models action people come stay dont leave boredom after watching flight two attention points subtie reasons Scale modelers like exhibit pro ducts Its ego trip have aircraft admired particularly performs scalelike man ner truly disciplined flight accurate sim ulation full-size maneuvers performed prototype course aspect Scale modeling varies considerably among individuals least surface some will thirst ad ulation others may ny hide spot light Scale enthusiast delighted ap preciation shown craftsmanship again displays ability control model realistic flight four basic ingredients Scale modelers composition Three readily ac quired patience skill know ledge Only latter element comes experi ence over extended period other two can photos month 1988 Toledo exposition Owen Wysongs spectacular Sea Horse L design Ray Halupa under development Mustang Aircraft Corp Model 1A-scale spans 80 weighs 235 lb uses OS 240 four-stroke engine Its finish Dupont acrylic lacquer over two-oz glass cloth epoxy resin Big F-i 4 Tomcal R built James LeBlanc Wing sweeps electric power Retractable gear works com pressed air Power pair Rossi 90 engines driving Hurricane ducted fans 1A-scale Chuck Lucas Avenger ultralight L scratch-built has basic structure 6061 aluminum tubing Surfaces controlled cable/pulley systems Engine OS Gemini twin-cylinder four-stroke Weight 19 lb span 112 covering ripstop nylon Hal Parentis latest twin-engine Ryan FR-i Fireball R Wingspan 72 weight 165 lb Front engine Spertigre 75 Rear engine Yes really 05 46 driving Kress ducted fan unit Finish K&B Superpoxy Learjet 35A L 1/ scale spans 835 974 long Builder Mark Frankel powers pair Rossi 65s driving Dynamax fans Keith Shaws latest Electric R %-scale Stearman PT-17 An Astro cobalt 60 powers Battery pack uses 28 cells 1200 mAh capacity Airframe weighs 64 oz radio 9 oz power equipment 71 oz Total weight 9 lb Craft spans 645 52 Model Aviation Radio Conoi Scale Bob Dolly Wischer 5-221 Lapham Peak Rd Delafleld WI 53018 ----- -- learned rather quickly fourth element desire Anyone wants Scale model badly enough will soon ac quire other three Along lines Scale modeling has capability somewhat alter per sonality traits seeking purpose ful hobby also three basic requisites phys ical production Scale model re search design construction build topquality Scale model often extensive re search effort involved know modelers thoroughly researched particular aircraft before building beganand found afterward gathered information anyone done previously become experts best approach gathering data support construction models visit full size aircraft Gather much information can both photos actual dimensions prototype isnt available research con ducted through archives libraries manufacturers often successful magazine book collections Purveyors Scale data advertise model magazines Sport Scale-type models research ef fort can considerably less depending upon amount detail incorporated mod el other hand some so-called Sport Scale models see could vety well Preci sion Scale competition dividing line isnt clear between two classes Design model major concern scratch-builder works threeview drawings photosor di mensions sketches made directly prototype largest proportion Scale model ers work kits construction drawings designers have provided neces sary information point no needs skilled craftsman order enjoy Scale individual modeler stops stage may like process finishing detail ing air model doesnt show lack de tail exception large items such bold colorful insignia Competitive spirit motivation Scale modeler sees aircrafthis own othersas step line ascent medi ocrity near-perfection modelers seen contests Nats team trials World Championships often view modeling scene entirely different perspective example Scale enthusiasts will choose subject aircraft strikes personal fancy airplanes modelers list desirable subjects time alone limits production contest-oriented modeler may have en tirely different set values main focus terest models winning potential has no objection spending year hobby time construction unloved pro totype Finally motivation factor among scratch-building Scale enthusiasts feel com pulsion create models obscure aircraft types seldom chosen others course no kits plans possibly three-view drawings Absence documentation increases attractiveness modeler becomes challenge uncover information diligent search Some projects tend become longterm ones starting idea single photo Only after years gathering information will modeler have acquired sufficient data Continued page 144 August 1988 53 Major Decal pass flying colors DISTRIBUTORS INQUIRIES INVITED Call Paul Major 413 525-4110 L *7 GIant Scale 18 Sheets *60 Size38 Sheets *40 Size Sheets * Propeller Decals WT 6 Sheets-3 sizes ea *Kill Markings 12 Sheets * Nomenclature Markings 3 Sizes -12 Sheets Black White copy * Letters Numbers 1 2 3 4 4-13/16 10 Colors * Stars 10 Colors 11 Sizes plus Sheet Assorted Sizes Seed /OOi4 -4major decals Custom decals Manufacturers__ NORTHtAST SCREEN GRAPHICS 21 FISHER AVE. tAST LONGMEADOW MA R102R TEL 413-525411t V F-lOG SUPERSABER 67 L x 54 WS tanks dive brake4 9 Channel optional drop28 oz Wing Load Available April 88832 sq area $32500 1/86 Scalp F-20 TIGERSHARK70 L x 48 WS 5 Channel 32 oz Wing Load 712 sq area $28900 1/8 Scale SAAB AJ37 VIGGEN optional canard flaps 64 L x 45 WS 5 -6 Channel 26 oz Wing Load 895 sq area *$32900 1/9 5 Scale VIDEO $1995 $200 Kit Info & Dealer List L s SCL $9995 4 5 CH NG CANARDS SOL Quickie $7495 4 CH 5 ENG Canard Trainer $4495 4 CH 35-45 ENG Made USA Modelers Modelers US Foreign Dealers/Oistributors Wanted Cressline Model Products Ltd W23h Nlk9O BUSSE RD VVAUKESHA WI 53188414 548-3792 &SSSflflaAAAa HOity Horn hobby pea e Kits P& W ModelService 193S Miss America 84$7196 1936 Baccaneer 84 $5998 1937 Daliaire tot$7516 lsasciipperMkl 72 $4158 1938 Kioad King 63$4238 1938 Powertiouse 64 $6386 1938 Record Breaker 96$8958 1938 Trenton Terror 72$4076 1939 Korda Wake 44$1916 1929 Mercary 72 $5836 1939 Zipper 54$5356 1940 Ranger 46 $3198 1940 Sailpiane 76$8476 1940 So Long 50 $3038 1941 Brigidier 86$4876 1941Saper Onaker 78 87276 1941 Piayboyjr 54$3116 1941Pisyboy Sr tO $5116 1941 Brookion Dodner56 $4238 Midway Model Co Full Kits 1936 Fiying Guaker 84$64781938Powerhoase 50 $2996 1937 Long cabin 78$47181939 T sportser50 $2996 1937 Guaker Flash 67$45S61940 Buozard Bombuheti 1937 Air chief ei$359672 spankt $5696 1940 New Rater 74$711650 spoest $3596 above kits qaatify Sam events 1FF & R/G featare tbe bighcst quality machine cat & sanded parts shect & snip wood wire & window materiat Most plans thc original PF models easily convertible 3ch R/G Sailpianes Electric Power Gas Kits MIDWAY MODEL GOELEcTRIc MODEL DESIGN Gnome HLG 60$2400Sky Knight 05 DII$2400 Omme 2M Older78$3796Eledra 0148 73 105 D$3100 Fast Eddie 05 D$2400Lightning 36 05 Dl$2400 UtraMkiV IWO$3796TherweTraneller OsDorGI$3100 EleOric PlayboyIOta$2800 Hobby Horn Sensoar Glider 76 nr 05 electric$1800 Astro challenger cs Geared$3250 Astro Viking 05 Geared$3250 Autro Portertield 15 25 Geared$0998 Astro SpoC 37 05 Direct$2998 Daveys Robin 05 Geared$3371 Daveys Le Grate 05 Geared$3596 FULL LINE OF ELECTRIC 5y0raO 5 AVAIL SHIPPiNG 5 HANDLING76 Page cATALOGUE Up $800 add5200$200 py/Ist Glass free $901 tO $2000 Odd$200when requested order $2001 $4500 add5325 $45Ot 1057000 add $375 HOBBY HORN Over $7000 add $450 GA Addressees add 6% tar Send 15173 Moran St IAI MO VISA MG 85 Sop check POBos 2212 18110w 0 1030 days check Weotminoter Ca 02684 clearance 714 893-8311 GOD charges plan $100 Hrs Mon-Fri 9AM 5PM handling Icash Only PlC Video Tape Vol 1 Basics C 115 minutes total running time C C grat aducational value reconunendQd clubs hobb9— shop ownerS. Model Aviation Nov 1987 Only $1795 tax & shipping mci VISA M/C orders call 415 967-5134 Penn International Chemicals 943 Steirlin Rd Mt View CA 3 mm mm m m mm mm m TWINS ARE CLASSIC AND AFFORDABLE Looking inexpensive opposed twin replace shaking smelly gas burner want scale like appearance smooth running 2 cycle glow operation Yes its back basics EHS Tradings Twin Star Comments .Have lot engnm no doubt thus u probaily best Bill Thomas Lake Havaau AZ .The Twin Star osceptionaiJy smooth engne thus displacement size Clarance Lee ENGINE EDITOR RCM MAGAZINE answer question often asked muffler availabler Wes muffler & header available CALL FOR INFORMATION EHS TRADING LTD 400 HUALANI ST BLDG 13E HILO HAWAII 96720 RC Electrics/Kopski Continued page 141 some motors power levels considerably ex cess whats shown never did test stand yield before time running 15 x 7 past 4500 rpm level pulled entire test stand over destroyed prop blades Talk about thrust dont know much thrust was BIG Anyway got new blades sure nice able get replacement parts Im gonna pursue further now youll have satisfied data have table information can useful sev eral ways First suggest graph grid pa per some parameter combinations such voltage axis rpm other voltmeter tach can easily see own system compares data guideline fact can fairly good job voltmeter Just assume voltage actually reaching motor about 10 11 volts per cell Multiplying num ber cells will give predicted rpm range voltage/rpm graph course other combinations information such curves power rpm can plotted Graphing real eye-opener Notice just little change rpm corresponds large change power ever wondered just few rpm made such difference flight performance reason true Gas-flying friends Rubber fliers too Next month special issue Sep tember 1988 Model Aviation represents fifth year association magazine has truly enjoyable ex perience both working good folks MA sharing Electric information fun light goes well expect deviate normal column format bit offer something little special next month Please forward comment question SASE please author address given very top column keep fingers away large fiberglass folder blades cause though dont need flip-start Electrics its generally useful keep 10 Chief Modelmaker Above put hand 1 -800-63HOBB V 808 935-9009 HAWAII STD TIME 10 AM-7PM Mon-Sag RC ScalelWischers Continued page 53 develop construction drawings first item list Scale modelers attributes namely pati ence must strong points hit/her makeup Almost same classbut quiteis person would like Scale model air craft hasnt done beforedifferent necessarily obscure own experience have yet run out subjects pub lished three-view drawings semiobseure types need really deep research hasnt yet occurred one-of-a-kind aircraft didnt remain obscure once modelers got hold design data Benny Howards racers example modeler chooses extremely com plex prototypemutiengines multiwings endless external detail struts rigging elab orate color schememust motivated limit project becomes infinite boring Kits type model rare Construction drawings can sometimes found much sup plementary data needed complete truly Scale airplane therefore large amounts re search must undertaken go see really super-Scale air craft models time World Championship Scale competition place see best Nats also rated highly other event attracted top-quality models especially FM class too few Sport Scale class theNats has re cently attracting modelers high-quality airplanes could flown FM class competitors chose has shift builders fine Scale aircraft away contests toward gather ings such Scale rallies recent years best have seen meets Merritt Zimmermanas A-scale DH Moth example being completely scale respect including handmade four-cylinder four-stroke engine being custom-designed custom-built Other examples Bob Nelitzs Piper J-3 Tay loreraft clipped-wing Bucker Jungman A-scale Models large size enable exact detailing need work under magni fier Currently aircraft seen Scale ral lies Toledo represent state-of-the-art Scale modeling What aweinspiring masterpieces flown scalelike manner closet queens appear shows prizes ribbons oniy certainiy confused glitter seen 00 Without Muffler large shows represent upper crust route ascent simple Scale model originating kit scratch-designed -built models surpass alland fly realistically top off assumes creators elegant air craft somehow different average modeler need describe backgrounds Dissatisfaction runs high makeup successive product oniy surpassed next using knowledge acquired Accumulated ex perience techniques general know constantly being updated isnt surprising find relationships such father/son engaged collecting knowledge frequently find modeler has connections full-size aviation activity People know airplanes often top modelers Scale flying An incident will cause minor damage trainer-type model can catastro phe Scale model tells us flight dis cipline important Scale flying stakes 144 Model Aviation 40 CC124 CU IN IMPACT ENGINEERING PROUDLY ANNOUNCES THAT OUR FULL PRODUCT LINE IS NOW CARRIED DY GREAT PLANES DISTR Iii KIj I-u LINE SYSTEMS PO Box 1502 Lewiston 04241 [12 Volt Winches responding advertisers mention read about Model Aviation W0flLOS SIOGESO SCALE PEOTO SEPV06 600 P10r0 PA0OS PLANS 3 VtEWS PHOTO-PACKS PLANS ENLARGING SASE EOErSng 00w JIo Pepiros Catatog $t- 00 60 SCflLF PlANS PHOTO SEOUIC[ 3209 Mdson Geeosboo Nc 27403 PSOoP (9192925239 No CoIleC high model has three 10 times building time invested reluctance gamble weather wind other doubtful con ditions other hand personal policy fly Scale models often show signs wear little value constantly spending time air trainer-type model order preserve Scale airplane trainer has taught us can few hours model similar weight flight character istics Scale models better trainer keep pilot proficient controls Former World Champion Dave Masterton used dupli cate deHavilland Drover trimotor train ing purposes carried halfway around world Australia Paris provide practice second airplane actually superfi cial resemblance Scale model its per formance similar constructed plastic foam represented truly expend able model airplane rough finish may have ashamed display own NEWSPACESAVING FUEL CONTAINER FitainVourBox 2%x7%highx9 Tough Rigid Polyethylene udes Tubing eners Lock Tubing North Products PO Box 18419 Through Cap ostage cleveland Heights OH 44118 club flying field served purpose typical trainer too forgiving pilot error really make improvement flight skill purpose preserving Scale modelswe must first rid bad habits Aimless wander ing around sky occasional maneuver thrown convenient doesnt develop flight discipline Takeoff should straight line line continued sky safe height sudden downwind turn after liftoff has spelled demise countless airplanes Scale models supposed emulate full-size air craft Landings should practiced standard rectangular traffic pattern size being depen dent upon model speed final approach leg pattern should straight line until model comes full stop Dont attempt maneuver flight Concentrate performing maneuver scalelike procedure some flights tank full fuel used polishing teehnique single maneuver Most importantly model must permitted wander off se lected course progress isnt being made portion flight make landing stop think reason helps have someone nearby converse during flight remind pilot what er ror occurred help find reason pilot equal ability best critic Toledo airplanes few years ago anyone bringing newest Scale creation Toledo display awards could expect overwhelming competition situation seems have changed least temporarily hear complaints expected swarm top-quality Scale models hasnt materialized Toledo visitors arrive specifically view Scale models disap pointed complainers builders didnt bring own models prizes Toledo complete radio sys tems would expect prizes such great value would compelling incentive bring Scale airplanes display few excep tions better airplane displays com mercial exhibits representative what can built kits problem seems come misunder standing what required win Toledo see models obviously never intended flywithout radio equipment no model en gine installed Grossly exaggerated details heavy emphasis glitter attracts spectator inter est knowing Scale aficionado recognizes falsity Hal Parenti displayed newest masterpiece Ryan FR-l Fireball has radial engine prop up front jet engine amidships pusher cockpit place few observers recognized model genuine twinengine ducted fan rear position front engine Supertigre 75 Kress fan uses 05 46 truly innovative approach Scale modeling repre sents motivational urge mentioned earlier viewpoint competitive Scale model ing Ryan has distinct advantage clas sified a twin scoring both engines same axis avoid offset thrust prob lems associated power loss other twins Flight engine throttled becomes practi cal reality undue risk Ryans finish dark blue minimum gloss definitely lacked glitter model displayed top quality down its handmade shock struts retracting gear Another immense project shown Toledo Grumman F-14 Tomcat e James Le Blanc Its electrically operated variable-sweep wings completely covered carbon fiber Power supplied its Hurricane fans pair Rossi 90 engines weight 48 lb wing loading could quite high Molds have made reproduce parts future kit Verne Corp Keith Shaws Electric Scale models have defi nitely become part Toledo scene new est Stearman PT-17 / scale 64-in span Keith has developed art very light struc ture airframe weight four pounds Radio nine ounces power equipment bring its flying weight up nine pounds motor Astro cobalt 60 RC Giant Scale/de Vries Continued page 57 Id like suggest two lists Giant Scale modeler First listing critical items needed flight minor field maintenance both model radio items needed model might include mixed fuel props spark/glow plugs extra wing engine mount ing bolts suitable wheel collars omnipo tent fire extinguisher group supplies maintenance radio system should include extra servo wheels screws second charged receiver battery pack pushrod keepers second checklist might prepared use during model preflight size models results relatively greater complexity things check before crank up fly Thus list should consider step-by-step procedure model assembly control functioning ra dio range check before first flight day methodical approach preflighting Giants will go long way promoting flight safety An added plus using checklists brings August 1988 145 THERMAL CHARGER what looking electric sailplane good looks easy build fun fly great perfor mance Thermal Charger fl PRECISION PRODUCTS INC 714 592-5144 510 E Arrow Highway San Dimas CA 91773 FLOAT PLANS FOAM CORE WE OFFER SELECTION OF FLOAT PLANS FOR 4 12 POUND AIRPLANES WITH V HULL DESIGN IN USE SINCE 1972 SEND SASE FOR CATALOG SHEET KIRCHER R/C PRODUCTS NC S SHEFFiELD WAY CLARK NJ 07066 LATNES MIL S MET6.S 800KS PPE6ISION INSTRUIAERTS COMPEIS 6616 06 2 66 CAMPIEU DDLS ce Campsc 5~513 52 1562 PAW DIESELS Englands Finest 049 35 R/C STD Send $100 list Eric clutton 913 cedar Lane Tullahoma Tenn 37388