Control Line Combat Charlie Johnson PLANES FOR HIRE builder model rule deleted current rulebook combat events has allowed professional builder surface Ed itors Note builder-of-the-model rule eliminated AMA Combat events rule still applies FAI com bat planes almost-readyto-fly ARF category purchaser glues boom solders pushrod connector bolts engine Phil Cartier Box 300A RD #2 Palmyra PA 17078 can supply Gotcha design around $2600 plane Howard Rush using Gene Pape can supply several designs picture wood copy Rich Brashers Rotation Station lists $5000 Other less complicated foam wood designs run $3000 up Write Gene 175 Green Acres Road #77 Eugene OR 97401 Planes similar design Greg Hills Nationals winning FAI ship available Steve Wright 6657 Coinstock Court San Diego CA 92111 FAI Fast Combat planes run $2500 up real systems airplane available Mike Hoffelt 1021 Sapphire St San Diego CA 92109 Sophisticated FAI Fast Combat designs accomplished flier hackers need apply FAI design uses Rossi power Fast plane set up Fox Kits $2400 includes everything control system bolts fuel tank hand selected wood etc Complete planes cost $7200 minus engine $15000 setup Rossi About now youre saying yourself above prices seem awfully steep After anybody could build combat plane $500 Dan Rutherford long discussion about Ill have admit like build planes probably possible exception Monoboom design Hoffelt youre hate-to-build category like us might consider ARF planes Think much time put simplest plane Youre probably paying yourself minimum wage Before send off cash airplanes Id suggest writing con firm price availability basement manufacturers out send details product like Continued page 97 September1978 33 Fisheye view Dan Rutherford Charlie up front Dans kids Greg Hill back Tons combat jobs BC ships cars lost Grabber contest Greg won BC car planting 120-mph Fast combat ship trash can Took direct route Pressure regulator Norm McFadden au thors Fox allows insensitive needle settings high-pressure bladders total power since setting compromised allow slightly lean insides rich outsides ARFs have invaded Combat field Phil Cartiers An allwood replica Brashers Rotation Station Gene Pape Bob afraid trust Gotcha because wing seems have Carver bought $50 can have toosee text used bulletin board Anyway Howsrd Rush owns details remember two-for-a-nickle solidswell remember Racing Specialties custom engine rework chroming honing have very interesting line accessories applicable racing well speed Speaking own experience quality work top notch address Box 35458 Houston Texas 77035 Im sure youll drop Lars David note will send listing what have available accessories addition prices custom work Southern Calif following Charlie Johnson concerning racing activity Southern California area Racing getting started again So Calif after long layoff hardcore oldtimers back out force good sign Joe Klause did excellent job KK Race Day Must have given out 200-300 dollars worth goodies heat win ners received prizes real beautiful site behind Cox plant Santa Ana acquired another good race site San Diego after giving up old El Cajon Model Airport because terrible condi tions hard believe best county time oh well Pic tures Charlie taken Joes Kus tom Kraft Race Day Bill Lee 3522 Tamarisk Lane Mis souri City TX 77459 CL Combat/Johnson continued page 33 test samples too Ill publish next article Lets Standardize times have borrowed set lines match find theyre about inch too long come well equipped advantage use type equipment make leadouts 23 inches center line model eyelet Never problem anymore having use special lines either very high low aspect models Another advantage dont need model making up lines Put two headless nails ground appropriate distance drop eyelet have accurately measured lines Having eyelets chored down really helps because can put tension lines drag combat model off mark across field group fly together would best interests standardize length line same fuel everyone plugs props bladders way two well equipped pit boxes could used team having dump out half stuff time another person match British Outlaw Team has car top carrier will hold 50 models fuel lines everything needed contest get site just lift box off top car usually sinks about inch off ground because weight Now can have GloBee leadership performance growing family improved model products featuring -A PLUGS Prototypes immediately set new records Get least 1000 RPM greater power longer life replacing plug popular 1/2A engine new GloBeeat competi tive prices Racing models have new high strength coil both Racing Sport plugs have patented spiral tip blowproof glass seal Change heads standard wrench B GLOW PLUGS Standard line Gb Bee glow plugs larger models put sting engine Spiral glow element leakproof seals equal hottest engines can buy Racing Racing2 RC Sport models available longs shorts C STINGER Cordless self-contained 1/2-A starter delivers over 100 starts full charge No external battery dan gling cordsl Rechargeable lead acid cells included will start crankiest engine 010 051 cid Shroud protects shaft bearings GloBee 45 VDC charger recommended carry over pits use giant flute box another four-round combat meet San Diego few weeks ago Everyone flies minimum four rounds ties being broken flyoff Brasher won 8th straight contest beating Russell Hester 5th round over 50 consecutive wins Rich contest Greg Hill flew Rich few times after meet him checking out land scape few times Brasher lost airplane ten matches ground mid-air round system seems way go provided entries too next plan have two day tournament D FIRE PLUG Integrated glow plug start ing system optimum power Rheostat control matches current weather fuel plug choice 0-10 amp ammeter dicates power output also shows plug burned out engine flooded GloBee 25 VDC charger recommended E CHARGERS Ask model dealer about special combination offers matching chargers25 VDC Fire Plug 45 VDC Stingerat big savings championship products world modelers . DIVISION OF EMERSON ELECTRIC CO 6000 Fernview Ave Cincinnati Ohio 45212 Slow Combat four rounds day total points eight rounds determining winner about professionally run contests9 know CDs dont get paid hard work no really gets rich running contests Im sure con testants would willing pay $300 event guaranteed well run meet 20 entries CD helper could make expenses put few bucks pocket Things Work tried new GloBee N-I plug Rossi 15 40% nitro better other plug 400 rpm immediately ordered couple cards try other motors Its September1978 97 NEW 1/2-A plugs Join theTeam $100PmnutNo 7 Curt. XF6C-6 Capt Pages MODERNISTIC MODELS PO BOX 6974 ALBUQ NM 87197 nice have plug fast lasts icing cake fact engine would run very rich dying Ive discouraged some brands plugs Id considered going diesels well maybe just ignition engines Something else really works Brasher/McFadden fuel regulator babies hard come Norm fixed motors installed same time Rather half turn adjust ment needle have about five turns plane holds its speed through turns much better because engine isnt dropping off lean insides slightly rich outsides regulator sometimes available Norm Duke Fox has experimented may possible make avail able commercially motors exactly 10 inches long would 70 turns per inch table go across 2 Number Strands column 70 Turns per inch columns go down 70 column until opposite 16 Strands column read off 247 turns per inch Multiply 42the length motors beand get 1037 turns table based notion turns-per-inch inversely proportional square root cross-sectional area relationship easy come ignore details what happens inside squirrely mess wound-up rub ber seems match exper iments proof pudding first published thirties J P Glass writing Zaics yearbooks appeared also later editions Charles Hampson Grants ModelAirplane Design ran some rather careful tests few years back covering wide range variables confirmed relationship within percent two hold number strands rather merely total cross-section has effect 28 strands Y8 rubber acts differently 14 strands / might true personal opinion effect small under normal circumstances effect small because motors sufficiently well lubricated Rebuttle Blue Ridge Models Alive Well unfortunates wait over four months receive order grumble no Blue Ridge back normal unexpected volume orders delayed shipment balsa move new house put Blue Ridge little behind Phil Shirley Hartman Charlie Johnson 3716 Ingraham St San Diego CA 92109 FF Duration/Mouser continued page 42 test series entered except Nats took second After ten years competi tion flying including thousands flights Copy Cat splattered itself against asphalt Buckeye Arizona last year after Vic added auto surfaces attempt improve its performance Scorcher has higher aspect ratio longer tail mo ment arm smaller 30% horizontal tail FAT-ish might say no auto-tail Other changes primarily cosmetic Construction typical of Vics models have featured Flying Models Rubber Motor Turns Tables giving motor turns various numbers strands motor lengths pop-up literature time time similar presented has published last decade two must have missed tables apply specific kind rubber ap plies kinds works Example just received new batch /4 rubber plan make up 16strand motors 42 inches long wonder turns should expect out such motor could simply make up few such motors test de struction such motors now cost ing $2 might like try alternative Make up two three twostrand motors say 10 inches long break test wind destruction Say break about 700 turns 98 Model Aviation OVER EEO978 CAA 000 SCALE DRAWN Ssoc MORR SON ECH 48500 M KENZ E HWYV IJA OR 9 488 Darryl Stevens demonstrates approved helicopter launching technique Model holds two records does about 4 mm dead air 600 turns four strands rubber youd like explore fringes outer space drawing appeared April issue Curt Stevens pic
Edition: Model Aviation - 1978/09
Page Numbers: 33, 97, 98
Control Line Combat Charlie Johnson PLANES FOR HIRE builder model rule deleted current rulebook combat events has allowed professional builder surface Ed itors Note builder-of-the-model rule eliminated AMA Combat events rule still applies FAI com bat planes almost-readyto-fly ARF category purchaser glues boom solders pushrod connector bolts engine Phil Cartier Box 300A RD #2 Palmyra PA 17078 can supply Gotcha design around $2600 plane Howard Rush using Gene Pape can supply several designs picture wood copy Rich Brashers Rotation Station lists $5000 Other less complicated foam wood designs run $3000 up Write Gene 175 Green Acres Road #77 Eugene OR 97401 Planes similar design Greg Hills Nationals winning FAI ship available Steve Wright 6657 Coinstock Court San Diego CA 92111 FAI Fast Combat planes run $2500 up real systems airplane available Mike Hoffelt 1021 Sapphire St San Diego CA 92109 Sophisticated FAI Fast Combat designs accomplished flier hackers need apply FAI design uses Rossi power Fast plane set up Fox Kits $2400 includes everything control system bolts fuel tank hand selected wood etc Complete planes cost $7200 minus engine $15000 setup Rossi About now youre saying yourself above prices seem awfully steep After anybody could build combat plane $500 Dan Rutherford long discussion about Ill have admit like build planes probably possible exception Monoboom design Hoffelt youre hate-to-build category like us might consider ARF planes Think much time put simplest plane Youre probably paying yourself minimum wage Before send off cash airplanes Id suggest writing con firm price availability basement manufacturers out send details product like Continued page 97 September1978 33 Fisheye view Dan Rutherford Charlie up front Dans kids Greg Hill back Tons combat jobs BC ships cars lost Grabber contest Greg won BC car planting 120-mph Fast combat ship trash can Took direct route Pressure regulator Norm McFadden au thors Fox allows insensitive needle settings high-pressure bladders total power since setting compromised allow slightly lean insides rich outsides ARFs have invaded Combat field Phil Cartiers An allwood replica Brashers Rotation Station Gene Pape Bob afraid trust Gotcha because wing seems have Carver bought $50 can have toosee text used bulletin board Anyway Howsrd Rush owns details remember two-for-a-nickle solidswell remember Racing Specialties custom engine rework chroming honing have very interesting line accessories applicable racing well speed Speaking own experience quality work top notch address Box 35458 Houston Texas 77035 Im sure youll drop Lars David note will send listing what have available accessories addition prices custom work Southern Calif following Charlie Johnson concerning racing activity Southern California area Racing getting started again So Calif after long layoff hardcore oldtimers back out force good sign Joe Klause did excellent job KK Race Day Must have given out 200-300 dollars worth goodies heat win ners received prizes real beautiful site behind Cox plant Santa Ana acquired another good race site San Diego after giving up old El Cajon Model Airport because terrible condi tions hard believe best county time oh well Pic tures Charlie taken Joes Kus tom Kraft Race Day Bill Lee 3522 Tamarisk Lane Mis souri City TX 77459 CL Combat/Johnson continued page 33 test samples too Ill publish next article Lets Standardize times have borrowed set lines match find theyre about inch too long come well equipped advantage use type equipment make leadouts 23 inches center line model eyelet Never problem anymore having use special lines either very high low aspect models Another advantage dont need model making up lines Put two headless nails ground appropriate distance drop eyelet have accurately measured lines Having eyelets chored down really helps because can put tension lines drag combat model off mark across field group fly together would best interests standardize length line same fuel everyone plugs props bladders way two well equipped pit boxes could used team having dump out half stuff time another person match British Outlaw Team has car top carrier will hold 50 models fuel lines everything needed contest get site just lift box off top car usually sinks about inch off ground because weight Now can have GloBee leadership performance growing family improved model products featuring -A PLUGS Prototypes immediately set new records Get least 1000 RPM greater power longer life replacing plug popular 1/2A engine new GloBeeat competi tive prices Racing models have new high strength coil both Racing Sport plugs have patented spiral tip blowproof glass seal Change heads standard wrench B GLOW PLUGS Standard line Gb Bee glow plugs larger models put sting engine Spiral glow element leakproof seals equal hottest engines can buy Racing Racing2 RC Sport models available longs shorts C STINGER Cordless self-contained 1/2-A starter delivers over 100 starts full charge No external battery dan gling cordsl Rechargeable lead acid cells included will start crankiest engine 010 051 cid Shroud protects shaft bearings GloBee 45 VDC charger recommended carry over pits use giant flute box another four-round combat meet San Diego few weeks ago Everyone flies minimum four rounds ties being broken flyoff Brasher won 8th straight contest beating Russell Hester 5th round over 50 consecutive wins Rich contest Greg Hill flew Rich few times after meet him checking out land scape few times Brasher lost airplane ten matches ground mid-air round system seems way go provided entries too next plan have two day tournament D FIRE PLUG Integrated glow plug start ing system optimum power Rheostat control matches current weather fuel plug choice 0-10 amp ammeter dicates power output also shows plug burned out engine flooded GloBee 25 VDC charger recommended E CHARGERS Ask model dealer about special combination offers matching chargers25 VDC Fire Plug 45 VDC Stingerat big savings championship products world modelers . DIVISION OF EMERSON ELECTRIC CO 6000 Fernview Ave Cincinnati Ohio 45212 Slow Combat four rounds day total points eight rounds determining winner about professionally run contests9 know CDs dont get paid hard work no really gets rich running contests Im sure con testants would willing pay $300 event guaranteed well run meet 20 entries CD helper could make expenses put few bucks pocket Things Work tried new GloBee N-I plug Rossi 15 40% nitro better other plug 400 rpm immediately ordered couple cards try other motors Its September1978 97 NEW 1/2-A plugs Join theTeam $100PmnutNo 7 Curt. XF6C-6 Capt Pages MODERNISTIC MODELS PO BOX 6974 ALBUQ NM 87197 nice have plug fast lasts icing cake fact engine would run very rich dying Ive discouraged some brands plugs Id considered going diesels well maybe just ignition engines Something else really works Brasher/McFadden fuel regulator babies hard come Norm fixed motors installed same time Rather half turn adjust ment needle have about five turns plane holds its speed through turns much better because engine isnt dropping off lean insides slightly rich outsides regulator sometimes available Norm Duke Fox has experimented may possible make avail able commercially motors exactly 10 inches long would 70 turns per inch table go across 2 Number Strands column 70 Turns per inch columns go down 70 column until opposite 16 Strands column read off 247 turns per inch Multiply 42the length motors beand get 1037 turns table based notion turns-per-inch inversely proportional square root cross-sectional area relationship easy come ignore details what happens inside squirrely mess wound-up rub ber seems match exper iments proof pudding first published thirties J P Glass writing Zaics yearbooks appeared also later editions Charles Hampson Grants ModelAirplane Design ran some rather careful tests few years back covering wide range variables confirmed relationship within percent two hold number strands rather merely total cross-section has effect 28 strands Y8 rubber acts differently 14 strands / might true personal opinion effect small under normal circumstances effect small because motors sufficiently well lubricated Rebuttle Blue Ridge Models Alive Well unfortunates wait over four months receive order grumble no Blue Ridge back normal unexpected volume orders delayed shipment balsa move new house put Blue Ridge little behind Phil Shirley Hartman Charlie Johnson 3716 Ingraham St San Diego CA 92109 FF Duration/Mouser continued page 42 test series entered except Nats took second After ten years competi tion flying including thousands flights Copy Cat splattered itself against asphalt Buckeye Arizona last year after Vic added auto surfaces attempt improve its performance Scorcher has higher aspect ratio longer tail mo ment arm smaller 30% horizontal tail FAT-ish might say no auto-tail Other changes primarily cosmetic Construction typical of Vics models have featured Flying Models Rubber Motor Turns Tables giving motor turns various numbers strands motor lengths pop-up literature time time similar presented has published last decade two must have missed tables apply specific kind rubber ap plies kinds works Example just received new batch /4 rubber plan make up 16strand motors 42 inches long wonder turns should expect out such motor could simply make up few such motors test de struction such motors now cost ing $2 might like try alternative Make up two three twostrand motors say 10 inches long break test wind destruction Say break about 700 turns 98 Model Aviation OVER EEO978 CAA 000 SCALE DRAWN Ssoc MORR SON ECH 48500 M KENZ E HWYV IJA OR 9 488 Darryl Stevens demonstrates approved helicopter launching technique Model holds two records does about 4 mm dead air 600 turns four strands rubber youd like explore fringes outer space drawing appeared April issue Curt Stevens pic
Edition: Model Aviation - 1978/09
Page Numbers: 33, 97, 98
Control Line Combat Charlie Johnson PLANES FOR HIRE builder model rule deleted current rulebook combat events has allowed professional builder surface Ed itors Note builder-of-the-model rule eliminated AMA Combat events rule still applies FAI com bat planes almost-readyto-fly ARF category purchaser glues boom solders pushrod connector bolts engine Phil Cartier Box 300A RD #2 Palmyra PA 17078 can supply Gotcha design around $2600 plane Howard Rush using Gene Pape can supply several designs picture wood copy Rich Brashers Rotation Station lists $5000 Other less complicated foam wood designs run $3000 up Write Gene 175 Green Acres Road #77 Eugene OR 97401 Planes similar design Greg Hills Nationals winning FAI ship available Steve Wright 6657 Coinstock Court San Diego CA 92111 FAI Fast Combat planes run $2500 up real systems airplane available Mike Hoffelt 1021 Sapphire St San Diego CA 92109 Sophisticated FAI Fast Combat designs accomplished flier hackers need apply FAI design uses Rossi power Fast plane set up Fox Kits $2400 includes everything control system bolts fuel tank hand selected wood etc Complete planes cost $7200 minus engine $15000 setup Rossi About now youre saying yourself above prices seem awfully steep After anybody could build combat plane $500 Dan Rutherford long discussion about Ill have admit like build planes probably possible exception Monoboom design Hoffelt youre hate-to-build category like us might consider ARF planes Think much time put simplest plane Youre probably paying yourself minimum wage Before send off cash airplanes Id suggest writing con firm price availability basement manufacturers out send details product like Continued page 97 September1978 33 Fisheye view Dan Rutherford Charlie up front Dans kids Greg Hill back Tons combat jobs BC ships cars lost Grabber contest Greg won BC car planting 120-mph Fast combat ship trash can Took direct route Pressure regulator Norm McFadden au thors Fox allows insensitive needle settings high-pressure bladders total power since setting compromised allow slightly lean insides rich outsides ARFs have invaded Combat field Phil Cartiers An allwood replica Brashers Rotation Station Gene Pape Bob afraid trust Gotcha because wing seems have Carver bought $50 can have toosee text used bulletin board Anyway Howsrd Rush owns details remember two-for-a-nickle solidswell remember Racing Specialties custom engine rework chroming honing have very interesting line accessories applicable racing well speed Speaking own experience quality work top notch address Box 35458 Houston Texas 77035 Im sure youll drop Lars David note will send listing what have available accessories addition prices custom work Southern Calif following Charlie Johnson concerning racing activity Southern California area Racing getting started again So Calif after long layoff hardcore oldtimers back out force good sign Joe Klause did excellent job KK Race Day Must have given out 200-300 dollars worth goodies heat win ners received prizes real beautiful site behind Cox plant Santa Ana acquired another good race site San Diego after giving up old El Cajon Model Airport because terrible condi tions hard believe best county time oh well Pic tures Charlie taken Joes Kus tom Kraft Race Day Bill Lee 3522 Tamarisk Lane Mis souri City TX 77459 CL Combat/Johnson continued page 33 test samples too Ill publish next article Lets Standardize times have borrowed set lines match find theyre about inch too long come well equipped advantage use type equipment make leadouts 23 inches center line model eyelet Never problem anymore having use special lines either very high low aspect models Another advantage dont need model making up lines Put two headless nails ground appropriate distance drop eyelet have accurately measured lines Having eyelets chored down really helps because can put tension lines drag combat model off mark across field group fly together would best interests standardize length line same fuel everyone plugs props bladders way two well equipped pit boxes could used team having dump out half stuff time another person match British Outlaw Team has car top carrier will hold 50 models fuel lines everything needed contest get site just lift box off top car usually sinks about inch off ground because weight Now can have GloBee leadership performance growing family improved model products featuring -A PLUGS Prototypes immediately set new records Get least 1000 RPM greater power longer life replacing plug popular 1/2A engine new GloBeeat competi tive prices Racing models have new high strength coil both Racing Sport plugs have patented spiral tip blowproof glass seal Change heads standard wrench B GLOW PLUGS Standard line Gb Bee glow plugs larger models put sting engine Spiral glow element leakproof seals equal hottest engines can buy Racing Racing2 RC Sport models available longs shorts C STINGER Cordless self-contained 1/2-A starter delivers over 100 starts full charge No external battery dan gling cordsl Rechargeable lead acid cells included will start crankiest engine 010 051 cid Shroud protects shaft bearings GloBee 45 VDC charger recommended carry over pits use giant flute box another four-round combat meet San Diego few weeks ago Everyone flies minimum four rounds ties being broken flyoff Brasher won 8th straight contest beating Russell Hester 5th round over 50 consecutive wins Rich contest Greg Hill flew Rich few times after meet him checking out land scape few times Brasher lost airplane ten matches ground mid-air round system seems way go provided entries too next plan have two day tournament D FIRE PLUG Integrated glow plug start ing system optimum power Rheostat control matches current weather fuel plug choice 0-10 amp ammeter dicates power output also shows plug burned out engine flooded GloBee 25 VDC charger recommended E CHARGERS Ask model dealer about special combination offers matching chargers25 VDC Fire Plug 45 VDC Stingerat big savings championship products world modelers . DIVISION OF EMERSON ELECTRIC CO 6000 Fernview Ave Cincinnati Ohio 45212 Slow Combat four rounds day total points eight rounds determining winner about professionally run contests9 know CDs dont get paid hard work no really gets rich running contests Im sure con testants would willing pay $300 event guaranteed well run meet 20 entries CD helper could make expenses put few bucks pocket Things Work tried new GloBee N-I plug Rossi 15 40% nitro better other plug 400 rpm immediately ordered couple cards try other motors Its September1978 97 NEW 1/2-A plugs Join theTeam $100PmnutNo 7 Curt. XF6C-6 Capt Pages MODERNISTIC MODELS PO BOX 6974 ALBUQ NM 87197 nice have plug fast lasts icing cake fact engine would run very rich dying Ive discouraged some brands plugs Id considered going diesels well maybe just ignition engines Something else really works Brasher/McFadden fuel regulator babies hard come Norm fixed motors installed same time Rather half turn adjust ment needle have about five turns plane holds its speed through turns much better because engine isnt dropping off lean insides slightly rich outsides regulator sometimes available Norm Duke Fox has experimented may possible make avail able commercially motors exactly 10 inches long would 70 turns per inch table go across 2 Number Strands column 70 Turns per inch columns go down 70 column until opposite 16 Strands column read off 247 turns per inch Multiply 42the length motors beand get 1037 turns table based notion turns-per-inch inversely proportional square root cross-sectional area relationship easy come ignore details what happens inside squirrely mess wound-up rub ber seems match exper iments proof pudding first published thirties J P Glass writing Zaics yearbooks appeared also later editions Charles Hampson Grants ModelAirplane Design ran some rather careful tests few years back covering wide range variables confirmed relationship within percent two hold number strands rather merely total cross-section has effect 28 strands Y8 rubber acts differently 14 strands / might true personal opinion effect small under normal circumstances effect small because motors sufficiently well lubricated Rebuttle Blue Ridge Models Alive Well unfortunates wait over four months receive order grumble no Blue Ridge back normal unexpected volume orders delayed shipment balsa move new house put Blue Ridge little behind Phil Shirley Hartman Charlie Johnson 3716 Ingraham St San Diego CA 92109 FF Duration/Mouser continued page 42 test series entered except Nats took second After ten years competi tion flying including thousands flights Copy Cat splattered itself against asphalt Buckeye Arizona last year after Vic added auto surfaces attempt improve its performance Scorcher has higher aspect ratio longer tail mo ment arm smaller 30% horizontal tail FAT-ish might say no auto-tail Other changes primarily cosmetic Construction typical of Vics models have featured Flying Models Rubber Motor Turns Tables giving motor turns various numbers strands motor lengths pop-up literature time time similar presented has published last decade two must have missed tables apply specific kind rubber ap plies kinds works Example just received new batch /4 rubber plan make up 16strand motors 42 inches long wonder turns should expect out such motor could simply make up few such motors test de struction such motors now cost ing $2 might like try alternative Make up two three twostrand motors say 10 inches long break test wind destruction Say break about 700 turns 98 Model Aviation OVER EEO978 CAA 000 SCALE DRAWN Ssoc MORR SON ECH 48500 M KENZ E HWYV IJA OR 9 488 Darryl Stevens demonstrates approved helicopter launching technique Model holds two records does about 4 mm dead air 600 turns four strands rubber youd like explore fringes outer space drawing appeared April issue Curt Stevens pic