Control Line Aerobatics Wynn Paul WHAT CAN you have wrecked stunter its thing have fly super-fast builder like Jack Sheeks two days Bill Simons Nationals-type stunter eight days must first make decisions whether its worth time trouble restore plane Also key factor urgency Are field first round ready go up time week rebuild Consider example restoration 77 Nationals Lynn Barnett foam wing come loose center joint rear fuselage two pieces No back-up ship appear ance judging soon Lynn decided attempt live weight build up Fiberglass cloth epoxy applied top bottom wing through sliced up fuselage cutting panel section fuselage cer tain slice angle plenty area re-glue Lynn able restore wing proceeded glue fuselage back together around stabilizer losing alignment Suppose break off nose built-up stunter Ive known several cases efficiently repaired Al Rabes 1976 Mustang rebuilt trailing edge wing forward came out same weight just good looking remove oil fuel soaking use K2R spot remover Shout sev eral applications As four five applications may necessary get good bonding surface engine bearers broken off will have cut back fuselage lay some new ones has done keeping alignment engine near perfect no up- down-thrust bearer time engine can set up measured second bearer setting up Continued page 95 June1978 45 Engine compartment Bill Werwages Supertigre 46-powered Juno Note prop extension fuel tank removeable Bob Paul muffler pictures page taken Wynn Paul Chuck Delanes natty Odyssey powered Supertigre 46 engine features foam-core wing ii us riuauuu . variations can found stunt model themejust re tain individuality Dennis Adamisins Hard work making aujusimenis Citation Ted Fancher Stunt fliers seem share V-tail Rabbit foam wing OS Max 35 RC pattern people well developed flair colorful yet tasteful decorative schemes pin low side throttle lever setting up engine shutoff wish CL Scale builders like Dick Ruckel eager share ideas sending column month weve got another idea Dick passed scale colleagues Cleveland Prop Busters Club Its mechanical bomb re lease can operated off engine throttle Looks like would work especially well bombs tanks etc pylon shackle mounted under wing fuselage pylon shackles would keep bomb swinging retaining hook takes very little movement activator release bomb thus making release ideally suited operate off throttle could use another pin similar used engine shutoff extreme high throttle end handle movement removed pin bomb would drop Back popular demand Sig Mfg Com panys line precision miniature bolts screws hex nuts etc little items indispensible super detailing Pre cision Scale museum type model Most fullsize aircraft especially pre-1950 homebuilt types usually have such details externally visible thus need reproduced model Sig offers three sizes bolts 00-90 0-80 172 size available /8 gths also choice round hex flat oval fillister heads case arent aware Sig also markets line 1/32 round flat head rivets can get Round Head Aluminum Round Head New GloBee AA Plugs Claimed add 1000 rpm new plugs yield greater power longer life because high-strength alloy coil patented tip spiral blowout proof glass seal two models Racing hemi-head glow button Superloy coil Sport conical button standard coil Glow button changing easily done standard AA wrench GloBee Sales Ftuite Di vision 6000 Fernview Ave Cincinnati OH 45212 product review product review product review CONTROL LINE KITS WEVE GOT EM STARTING AT $595 SiRingmaster S2F51 Mestang S3YakS S5Ringmaster Jr SBSuper Ringmaster S12Flying Feal S13Baby Ringmaster SitReify SilP38 Lightning SiBRingmaster Imper SiSSpittire S22Ringmaster Spurts S27Skylark S28Sky Shark S29Ring Jr Flash S30Beginners Ring 1595 1695 1595 1095 1995 1695 795 2995 1695 2895 3595 1995 3495 1995 1295 595 S31Beginners Mustang S32Beg Ring Bipe S33Winder S34Beginners Spitfire S35Beginners Thunder Jet S36Beginners Piper Cub S37Beginners Findecker S3BBeginners Sheestring S39Beginners Thuederbelt S40Beginners Cherekee S41Beginners Febber Dl S42Beginners Hellcat S43Beginners FocheWelf S44Beginners Zero S45Beginners Messnrscb mitt Copper Flat Head Copper rivets 1/32 dia heads packages 100 500 1000 Descriptions prices both miniature bolts rivets now Sig catalog following chart shows some possible applica tion rivets SCALE RIVETS 1/32 dia head 031 decimal sizel 1A 1 scale model 2 1 scale model 02340312 03120416 Full Size Rivet Head Dia 3/16 Editors Note MA ordinarily tries soft-pedal commercial items allowed Sig item stand due highly specialized items scale builders need know Bill Pardue Contest Director extends warmest invitation CL Sport Scale contest types attend United States Control Line Model Airplane Cham pionships June 17-18 1978 WinstonSalem NC AMA-recognized AAAA national championship event CL Scale 1978 Only AMA sponsored Nats carries official recognition Last year drew 158 contestants 20 states CL events flying site 12acre smooth asphalt parking lot contest organization top notch Nats out neck woods 595 695 1395 595 595 595 595 595 595 595 695 595 595 595 595 ClMunacoupe C3Mr Mulligan CtThe Wacn C6SE5 CBFeklter 01 C9Corsair ClONieupnrt2B CliGrumman Guardian C12Stearman PT17 C13Great Lakes 1995 1995 2195 2295 2195 2395 2295 2695 2295 2495 *' STERLING MODELS G ST PHILA PA 19134 II no dealer anailable direct orders accepted additjo,a charge handling shipping SOC minimun Us 0125 minimum outside v5 O catalng 01 entire line 01 airplane control line model kits C/c scale Trainer kiln boat model kiln accessorlen etc SOC enclosed O Secrets 01 Model Airplane Building Including denigo construction couerinn tinishing Ilying adlusting Control syntens etc 25c encloned 0 Secreln 01 cootml Line carrier Flying Including pretlight soloing stunting carrier rulen regulations carrier hying hints control line Installation instruclloon 255 enclosed No checks Only us maney orders currency accepted Name ____ Address____city .State ___ Zip consider Control Line Championships place 78 informa tion contact Bill Pardue 1201 Surry Drive Greensboro NC 27408 Mike Gretz Box 162 Montezuma IA 50171 CL Aerobatics/Paul continued page 45 Did jam landing gear up through top wing bounce-crash1/4landing Surgery knife mend ing spar ribs will reestablish strong enough base another landing gear plate Dont forget Hot Stuff Jet microballoons combination can wonders filling voids although sacrifice some weight Gary McClellans stunter foam wing loose landing gear 77 Nats Bill Fitzgerald borrowed hypodermic needle thinned out some Hobbypoxy Formula 2 glue thinner squirted glue landing gear block area about two dozen places tearing up finish hypodermic needle holes hardly visible after operation Did blind mounting nut en gine mounting strip out Most 4-40 BMNs can retapped out 5-40 done very carefully use Locktite put engine place blind mount ing nut came loose might try using June 1978 95 product review product review product review sheet-metal screw pan-head screw will fit tightly engine bearer will probably work loose eventually could get through day Blind mounting nuts can replaced going through top fuselage its case refinishing area cut out al though nice STP decal over spot can help new trim stripe can ap plied Stress cracks around wing stab ilizer dont label Stress Cracks did Dave Gierke Letra set Specials late 60s its time microballoons choice resin quick-setting glues Use Dremel tool gouge out concave holelike favorite dentist does gouge really big lay piece balsa rut build up around microballoons stabilizer rear fuselage repairs Hot Stuff-type adhe sives best because light weight Remel Cooper told stress crack broken prop went right across bottom block Using extra long 3/32 drills drilled about five holes bottom block cowl opening parallel thrust line holes went back block about 4 5 inches used 3/32 dowels about 5 inches long sharpened pencil sharpener epoxy plug up holes strengthen bottom block wing have several fliers have successfully replaced entire bellcrank leadouts going through bot tom built-up wing pulling new leadouts through wing tip taping old ones after cutting off leadout loops new leadouts Bill Werwage put two new leadouts 75 Nationals thought old ones frayed As suggested above went through bottom I-beam wing airplane USA-I Broken wing panels crushed wing tips car door creases wingsall can rebuilt Kitchen contact paper can used covering very sticky can applied after wiping off surfaces alcohol Contact paper little heavy can used emergencies Other plastic coverings can used quite successfully repairs covering up holes surface Did know 1976 World Champion stunt plane Mono kote patch over wing-tip weight box Popsicle sticks good sturdy repair pieces Dings dents can also dis guised trim lines trim tape What have lost hinge flaps elevators old ones wont come completely out install new right next old hinge Drill couple holes plastic hinge allow epoxy have wood-to-wood contact allows epoxy act pin after hinge pin toothpick way through panels can refinished covered up plastic coat ing leave alone Tom Dixon style hinge repairs Paper clip wire can used pin hinges have come loose As last resort familiar figure-8 combat-type hinge can sewn using Dacron flying lines say built tank has started leak vent tubes loose tank has come out Go through bottom fuselage carefully break tank loose mounting kitchen knife heated red hot can used help loosen tank its tight-fitting mount pushrod came loose broke still have plane left will have slice off top fuselage two places have place work Most time pushrod breaks plane air theres much left plane work Ted Fancher vaguely remembers dilemma information stunt PAMPA contact Wynn Paul 1640 Maywick Drive Lex Ky 40504 CL Navy Carrier/Perry continued page 46 class Carrier ships new bellcranks compact still provide strength smoothness throttle arm movement characteristic original G-S bellcranks G-S control units best available opinion includes home-built units have seen Carrier fliers fortunate models usually last long time Ive flown same models five six seasons can mixed blessing however since control system usually con cealed cannot inspected damage single components susceptible ravages time leadouts Cor rosion wear primary problems Solid cable leadouts both popu lar Solid leadouts withstand corrosion wear better can keep straight prefer cable leadouts wont argue against either type want mention some procedures could re duce potential problems Solid leadouts can soldered fairly well Cable leadouts little different small-diameter wire prone damage overheating excess flux can carried inside cable quite distance solder joint prop erly neutralized baking soda solution good flux can cause corrosion rec ommend wire-wound line terminations shown rule book cable leadouts avoid potential problems solder ing cable Epoxy can used coat lightly wire bindings prevent coming loose Leadouts should always larger diam eter wire required control lines avoid excessive weakening due wear bellcrank wear greatest leadouts can placed inside small-diameter brass tubing proper precautions combat wear corrosion control system can re main safe functional life model Richard L Perry 5016 Angelita Ave. Dayton OH 45424 CL Speed/Hempel/Upton continued page 47 tractor example 170 Use flashlight tell rotor crank port closes example 720 opens example 2320 Now take closing 720 subtract 1800 170 inlet timing open 350 after BDC closed 550 after TDC total dura tion 1800 1450 2000 Now have thoroughly confused secret timing numbers Piped engines1680 — 1720 exhaust 1280 1320 intake rotor open 450 ABDC close 650 ATDC Minipiped engines1600 1660 exhaust 1240 1280 intake rotor open 350 ABDC close 550 ATDC general rules-of-thumb give good re sults necessarily ultimate have run piped 29s 1760 exhaust 1340 intake good re sults become very sensitive have getting lots mail telling 96 Model Aviation 4 NEY KITS OF WORLD CLASSIC AIRCRAFT FROM FLYLINE 3033 100 03pO, 0030 po0,d 300313000050 LUTON Minor 00034 300 o3wP .&I 00 jod 000030 00030000 0 035 30, 003 .oooipfofloog 30020 oooO 0I00 00 300, 0000- big 300 00000 03051 000 00000 Send 25t catalog See yotirdeoler oil FLYLINEs classic kits NOW INE MODELS INC 2320 00, 0030 Ut 3 023 HEINKEL 1000 OOON*CO00 *050 0000 701 0 0000030 03005 00 030 1000030 030 S7OF
Edition: Model Aviation - 1978/06
Page Numbers: 45, 95, 96
Control Line Aerobatics Wynn Paul WHAT CAN you have wrecked stunter its thing have fly super-fast builder like Jack Sheeks two days Bill Simons Nationals-type stunter eight days must first make decisions whether its worth time trouble restore plane Also key factor urgency Are field first round ready go up time week rebuild Consider example restoration 77 Nationals Lynn Barnett foam wing come loose center joint rear fuselage two pieces No back-up ship appear ance judging soon Lynn decided attempt live weight build up Fiberglass cloth epoxy applied top bottom wing through sliced up fuselage cutting panel section fuselage cer tain slice angle plenty area re-glue Lynn able restore wing proceeded glue fuselage back together around stabilizer losing alignment Suppose break off nose built-up stunter Ive known several cases efficiently repaired Al Rabes 1976 Mustang rebuilt trailing edge wing forward came out same weight just good looking remove oil fuel soaking use K2R spot remover Shout sev eral applications As four five applications may necessary get good bonding surface engine bearers broken off will have cut back fuselage lay some new ones has done keeping alignment engine near perfect no up- down-thrust bearer time engine can set up measured second bearer setting up Continued page 95 June1978 45 Engine compartment Bill Werwages Supertigre 46-powered Juno Note prop extension fuel tank removeable Bob Paul muffler pictures page taken Wynn Paul Chuck Delanes natty Odyssey powered Supertigre 46 engine features foam-core wing ii us riuauuu . variations can found stunt model themejust re tain individuality Dennis Adamisins Hard work making aujusimenis Citation Ted Fancher Stunt fliers seem share V-tail Rabbit foam wing OS Max 35 RC pattern people well developed flair colorful yet tasteful decorative schemes pin low side throttle lever setting up engine shutoff wish CL Scale builders like Dick Ruckel eager share ideas sending column month weve got another idea Dick passed scale colleagues Cleveland Prop Busters Club Its mechanical bomb re lease can operated off engine throttle Looks like would work especially well bombs tanks etc pylon shackle mounted under wing fuselage pylon shackles would keep bomb swinging retaining hook takes very little movement activator release bomb thus making release ideally suited operate off throttle could use another pin similar used engine shutoff extreme high throttle end handle movement removed pin bomb would drop Back popular demand Sig Mfg Com panys line precision miniature bolts screws hex nuts etc little items indispensible super detailing Pre cision Scale museum type model Most fullsize aircraft especially pre-1950 homebuilt types usually have such details externally visible thus need reproduced model Sig offers three sizes bolts 00-90 0-80 172 size available /8 gths also choice round hex flat oval fillister heads case arent aware Sig also markets line 1/32 round flat head rivets can get Round Head Aluminum Round Head New GloBee AA Plugs Claimed add 1000 rpm new plugs yield greater power longer life because high-strength alloy coil patented tip spiral blowout proof glass seal two models Racing hemi-head glow button Superloy coil Sport conical button standard coil Glow button changing easily done standard AA wrench GloBee Sales Ftuite Di vision 6000 Fernview Ave Cincinnati OH 45212 product review product review product review CONTROL LINE KITS WEVE GOT EM STARTING AT $595 SiRingmaster S2F51 Mestang S3YakS S5Ringmaster Jr SBSuper Ringmaster S12Flying Feal S13Baby Ringmaster SitReify SilP38 Lightning SiBRingmaster Imper SiSSpittire S22Ringmaster Spurts S27Skylark S28Sky Shark S29Ring Jr Flash S30Beginners Ring 1595 1695 1595 1095 1995 1695 795 2995 1695 2895 3595 1995 3495 1995 1295 595 S31Beginners Mustang S32Beg Ring Bipe S33Winder S34Beginners Spitfire S35Beginners Thunder Jet S36Beginners Piper Cub S37Beginners Findecker S3BBeginners Sheestring S39Beginners Thuederbelt S40Beginners Cherekee S41Beginners Febber Dl S42Beginners Hellcat S43Beginners FocheWelf S44Beginners Zero S45Beginners Messnrscb mitt Copper Flat Head Copper rivets 1/32 dia heads packages 100 500 1000 Descriptions prices both miniature bolts rivets now Sig catalog following chart shows some possible applica tion rivets SCALE RIVETS 1/32 dia head 031 decimal sizel 1A 1 scale model 2 1 scale model 02340312 03120416 Full Size Rivet Head Dia 3/16 Editors Note MA ordinarily tries soft-pedal commercial items allowed Sig item stand due highly specialized items scale builders need know Bill Pardue Contest Director extends warmest invitation CL Sport Scale contest types attend United States Control Line Model Airplane Cham pionships June 17-18 1978 WinstonSalem NC AMA-recognized AAAA national championship event CL Scale 1978 Only AMA sponsored Nats carries official recognition Last year drew 158 contestants 20 states CL events flying site 12acre smooth asphalt parking lot contest organization top notch Nats out neck woods 595 695 1395 595 595 595 595 595 595 595 695 595 595 595 595 ClMunacoupe C3Mr Mulligan CtThe Wacn C6SE5 CBFeklter 01 C9Corsair ClONieupnrt2B CliGrumman Guardian C12Stearman PT17 C13Great Lakes 1995 1995 2195 2295 2195 2395 2295 2695 2295 2495 *' STERLING MODELS G ST PHILA PA 19134 II no dealer anailable direct orders accepted additjo,a charge handling shipping SOC minimun Us 0125 minimum outside v5 O catalng 01 entire line 01 airplane control line model kits C/c scale Trainer kiln boat model kiln accessorlen etc SOC enclosed O Secrets 01 Model Airplane Building Including denigo construction couerinn tinishing Ilying adlusting Control syntens etc 25c encloned 0 Secreln 01 cootml Line carrier Flying Including pretlight soloing stunting carrier rulen regulations carrier hying hints control line Installation instruclloon 255 enclosed No checks Only us maney orders currency accepted Name ____ Address____city .State ___ Zip consider Control Line Championships place 78 informa tion contact Bill Pardue 1201 Surry Drive Greensboro NC 27408 Mike Gretz Box 162 Montezuma IA 50171 CL Aerobatics/Paul continued page 45 Did jam landing gear up through top wing bounce-crash1/4landing Surgery knife mend ing spar ribs will reestablish strong enough base another landing gear plate Dont forget Hot Stuff Jet microballoons combination can wonders filling voids although sacrifice some weight Gary McClellans stunter foam wing loose landing gear 77 Nats Bill Fitzgerald borrowed hypodermic needle thinned out some Hobbypoxy Formula 2 glue thinner squirted glue landing gear block area about two dozen places tearing up finish hypodermic needle holes hardly visible after operation Did blind mounting nut en gine mounting strip out Most 4-40 BMNs can retapped out 5-40 done very carefully use Locktite put engine place blind mount ing nut came loose might try using June 1978 95 product review product review product review sheet-metal screw pan-head screw will fit tightly engine bearer will probably work loose eventually could get through day Blind mounting nuts can replaced going through top fuselage its case refinishing area cut out al though nice STP decal over spot can help new trim stripe can ap plied Stress cracks around wing stab ilizer dont label Stress Cracks did Dave Gierke Letra set Specials late 60s its time microballoons choice resin quick-setting glues Use Dremel tool gouge out concave holelike favorite dentist does gouge really big lay piece balsa rut build up around microballoons stabilizer rear fuselage repairs Hot Stuff-type adhe sives best because light weight Remel Cooper told stress crack broken prop went right across bottom block Using extra long 3/32 drills drilled about five holes bottom block cowl opening parallel thrust line holes went back block about 4 5 inches used 3/32 dowels about 5 inches long sharpened pencil sharpener epoxy plug up holes strengthen bottom block wing have several fliers have successfully replaced entire bellcrank leadouts going through bot tom built-up wing pulling new leadouts through wing tip taping old ones after cutting off leadout loops new leadouts Bill Werwage put two new leadouts 75 Nationals thought old ones frayed As suggested above went through bottom I-beam wing airplane USA-I Broken wing panels crushed wing tips car door creases wingsall can rebuilt Kitchen contact paper can used covering very sticky can applied after wiping off surfaces alcohol Contact paper little heavy can used emergencies Other plastic coverings can used quite successfully repairs covering up holes surface Did know 1976 World Champion stunt plane Mono kote patch over wing-tip weight box Popsicle sticks good sturdy repair pieces Dings dents can also dis guised trim lines trim tape What have lost hinge flaps elevators old ones wont come completely out install new right next old hinge Drill couple holes plastic hinge allow epoxy have wood-to-wood contact allows epoxy act pin after hinge pin toothpick way through panels can refinished covered up plastic coat ing leave alone Tom Dixon style hinge repairs Paper clip wire can used pin hinges have come loose As last resort familiar figure-8 combat-type hinge can sewn using Dacron flying lines say built tank has started leak vent tubes loose tank has come out Go through bottom fuselage carefully break tank loose mounting kitchen knife heated red hot can used help loosen tank its tight-fitting mount pushrod came loose broke still have plane left will have slice off top fuselage two places have place work Most time pushrod breaks plane air theres much left plane work Ted Fancher vaguely remembers dilemma information stunt PAMPA contact Wynn Paul 1640 Maywick Drive Lex Ky 40504 CL Navy Carrier/Perry continued page 46 class Carrier ships new bellcranks compact still provide strength smoothness throttle arm movement characteristic original G-S bellcranks G-S control units best available opinion includes home-built units have seen Carrier fliers fortunate models usually last long time Ive flown same models five six seasons can mixed blessing however since control system usually con cealed cannot inspected damage single components susceptible ravages time leadouts Cor rosion wear primary problems Solid cable leadouts both popu lar Solid leadouts withstand corrosion wear better can keep straight prefer cable leadouts wont argue against either type want mention some procedures could re duce potential problems Solid leadouts can soldered fairly well Cable leadouts little different small-diameter wire prone damage overheating excess flux can carried inside cable quite distance solder joint prop erly neutralized baking soda solution good flux can cause corrosion rec ommend wire-wound line terminations shown rule book cable leadouts avoid potential problems solder ing cable Epoxy can used coat lightly wire bindings prevent coming loose Leadouts should always larger diam eter wire required control lines avoid excessive weakening due wear bellcrank wear greatest leadouts can placed inside small-diameter brass tubing proper precautions combat wear corrosion control system can re main safe functional life model Richard L Perry 5016 Angelita Ave. Dayton OH 45424 CL Speed/Hempel/Upton continued page 47 tractor example 170 Use flashlight tell rotor crank port closes example 720 opens example 2320 Now take closing 720 subtract 1800 170 inlet timing open 350 after BDC closed 550 after TDC total dura tion 1800 1450 2000 Now have thoroughly confused secret timing numbers Piped engines1680 — 1720 exhaust 1280 1320 intake rotor open 450 ABDC close 650 ATDC Minipiped engines1600 1660 exhaust 1240 1280 intake rotor open 350 ABDC close 550 ATDC general rules-of-thumb give good re sults necessarily ultimate have run piped 29s 1760 exhaust 1340 intake good re sults become very sensitive have getting lots mail telling 96 Model Aviation 4 NEY KITS OF WORLD CLASSIC AIRCRAFT FROM FLYLINE 3033 100 03pO, 0030 po0,d 300313000050 LUTON Minor 00034 300 o3wP .&I 00 jod 000030 00030000 0 035 30, 003 .oooipfofloog 30020 oooO 0I00 00 300, 0000- big 300 00000 03051 000 00000 Send 25t catalog See yotirdeoler oil FLYLINEs classic kits NOW INE MODELS INC 2320 00, 0030 Ut 3 023 HEINKEL 1000 OOON*CO00 *050 0000 701 0 0000030 03005 00 030 1000030 030 S7OF
Edition: Model Aviation - 1978/06
Page Numbers: 45, 95, 96
Control Line Aerobatics Wynn Paul WHAT CAN you have wrecked stunter its thing have fly super-fast builder like Jack Sheeks two days Bill Simons Nationals-type stunter eight days must first make decisions whether its worth time trouble restore plane Also key factor urgency Are field first round ready go up time week rebuild Consider example restoration 77 Nationals Lynn Barnett foam wing come loose center joint rear fuselage two pieces No back-up ship appear ance judging soon Lynn decided attempt live weight build up Fiberglass cloth epoxy applied top bottom wing through sliced up fuselage cutting panel section fuselage cer tain slice angle plenty area re-glue Lynn able restore wing proceeded glue fuselage back together around stabilizer losing alignment Suppose break off nose built-up stunter Ive known several cases efficiently repaired Al Rabes 1976 Mustang rebuilt trailing edge wing forward came out same weight just good looking remove oil fuel soaking use K2R spot remover Shout sev eral applications As four five applications may necessary get good bonding surface engine bearers broken off will have cut back fuselage lay some new ones has done keeping alignment engine near perfect no up- down-thrust bearer time engine can set up measured second bearer setting up Continued page 95 June1978 45 Engine compartment Bill Werwages Supertigre 46-powered Juno Note prop extension fuel tank removeable Bob Paul muffler pictures page taken Wynn Paul Chuck Delanes natty Odyssey powered Supertigre 46 engine features foam-core wing ii us riuauuu . variations can found stunt model themejust re tain individuality Dennis Adamisins Hard work making aujusimenis Citation Ted Fancher Stunt fliers seem share V-tail Rabbit foam wing OS Max 35 RC pattern people well developed flair colorful yet tasteful decorative schemes pin low side throttle lever setting up engine shutoff wish CL Scale builders like Dick Ruckel eager share ideas sending column month weve got another idea Dick passed scale colleagues Cleveland Prop Busters Club Its mechanical bomb re lease can operated off engine throttle Looks like would work especially well bombs tanks etc pylon shackle mounted under wing fuselage pylon shackles would keep bomb swinging retaining hook takes very little movement activator release bomb thus making release ideally suited operate off throttle could use another pin similar used engine shutoff extreme high throttle end handle movement removed pin bomb would drop Back popular demand Sig Mfg Com panys line precision miniature bolts screws hex nuts etc little items indispensible super detailing Pre cision Scale museum type model Most fullsize aircraft especially pre-1950 homebuilt types usually have such details externally visible thus need reproduced model Sig offers three sizes bolts 00-90 0-80 172 size available /8 gths also choice round hex flat oval fillister heads case arent aware Sig also markets line 1/32 round flat head rivets can get Round Head Aluminum Round Head New GloBee AA Plugs Claimed add 1000 rpm new plugs yield greater power longer life because high-strength alloy coil patented tip spiral blowout proof glass seal two models Racing hemi-head glow button Superloy coil Sport conical button standard coil Glow button changing easily done standard AA wrench GloBee Sales Ftuite Di vision 6000 Fernview Ave Cincinnati OH 45212 product review product review product review CONTROL LINE KITS WEVE GOT EM STARTING AT $595 SiRingmaster S2F51 Mestang S3YakS S5Ringmaster Jr SBSuper Ringmaster S12Flying Feal S13Baby Ringmaster SitReify SilP38 Lightning SiBRingmaster Imper SiSSpittire S22Ringmaster Spurts S27Skylark S28Sky Shark S29Ring Jr Flash S30Beginners Ring 1595 1695 1595 1095 1995 1695 795 2995 1695 2895 3595 1995 3495 1995 1295 595 S31Beginners Mustang S32Beg Ring Bipe S33Winder S34Beginners Spitfire S35Beginners Thunder Jet S36Beginners Piper Cub S37Beginners Findecker S3BBeginners Sheestring S39Beginners Thuederbelt S40Beginners Cherekee S41Beginners Febber Dl S42Beginners Hellcat S43Beginners FocheWelf S44Beginners Zero S45Beginners Messnrscb mitt Copper Flat Head Copper rivets 1/32 dia heads packages 100 500 1000 Descriptions prices both miniature bolts rivets now Sig catalog following chart shows some possible applica tion rivets SCALE RIVETS 1/32 dia head 031 decimal sizel 1A 1 scale model 2 1 scale model 02340312 03120416 Full Size Rivet Head Dia 3/16 Editors Note MA ordinarily tries soft-pedal commercial items allowed Sig item stand due highly specialized items scale builders need know Bill Pardue Contest Director extends warmest invitation CL Sport Scale contest types attend United States Control Line Model Airplane Cham pionships June 17-18 1978 WinstonSalem NC AMA-recognized AAAA national championship event CL Scale 1978 Only AMA sponsored Nats carries official recognition Last year drew 158 contestants 20 states CL events flying site 12acre smooth asphalt parking lot contest organization top notch Nats out neck woods 595 695 1395 595 595 595 595 595 595 595 695 595 595 595 595 ClMunacoupe C3Mr Mulligan CtThe Wacn C6SE5 CBFeklter 01 C9Corsair ClONieupnrt2B CliGrumman Guardian C12Stearman PT17 C13Great Lakes 1995 1995 2195 2295 2195 2395 2295 2695 2295 2495 *' STERLING MODELS G ST PHILA PA 19134 II no dealer anailable direct orders accepted additjo,a charge handling shipping SOC minimun Us 0125 minimum outside v5 O catalng 01 entire line 01 airplane control line model kits C/c scale Trainer kiln boat model kiln accessorlen etc SOC enclosed O Secrets 01 Model Airplane Building Including denigo construction couerinn tinishing Ilying adlusting Control syntens etc 25c encloned 0 Secreln 01 cootml Line carrier Flying Including pretlight soloing stunting carrier rulen regulations carrier hying hints control line Installation instruclloon 255 enclosed No checks Only us maney orders currency accepted Name ____ Address____city .State ___ Zip consider Control Line Championships place 78 informa tion contact Bill Pardue 1201 Surry Drive Greensboro NC 27408 Mike Gretz Box 162 Montezuma IA 50171 CL Aerobatics/Paul continued page 45 Did jam landing gear up through top wing bounce-crash1/4landing Surgery knife mend ing spar ribs will reestablish strong enough base another landing gear plate Dont forget Hot Stuff Jet microballoons combination can wonders filling voids although sacrifice some weight Gary McClellans stunter foam wing loose landing gear 77 Nats Bill Fitzgerald borrowed hypodermic needle thinned out some Hobbypoxy Formula 2 glue thinner squirted glue landing gear block area about two dozen places tearing up finish hypodermic needle holes hardly visible after operation Did blind mounting nut en gine mounting strip out Most 4-40 BMNs can retapped out 5-40 done very carefully use Locktite put engine place blind mount ing nut came loose might try using June 1978 95 product review product review product review sheet-metal screw pan-head screw will fit tightly engine bearer will probably work loose eventually could get through day Blind mounting nuts can replaced going through top fuselage its case refinishing area cut out al though nice STP decal over spot can help new trim stripe can ap plied Stress cracks around wing stab ilizer dont label Stress Cracks did Dave Gierke Letra set Specials late 60s its time microballoons choice resin quick-setting glues Use Dremel tool gouge out concave holelike favorite dentist does gouge really big lay piece balsa rut build up around microballoons stabilizer rear fuselage repairs Hot Stuff-type adhe sives best because light weight Remel Cooper told stress crack broken prop went right across bottom block Using extra long 3/32 drills drilled about five holes bottom block cowl opening parallel thrust line holes went back block about 4 5 inches used 3/32 dowels about 5 inches long sharpened pencil sharpener epoxy plug up holes strengthen bottom block wing have several fliers have successfully replaced entire bellcrank leadouts going through bot tom built-up wing pulling new leadouts through wing tip taping old ones after cutting off leadout loops new leadouts Bill Werwage put two new leadouts 75 Nationals thought old ones frayed As suggested above went through bottom I-beam wing airplane USA-I Broken wing panels crushed wing tips car door creases wingsall can rebuilt Kitchen contact paper can used covering very sticky can applied after wiping off surfaces alcohol Contact paper little heavy can used emergencies Other plastic coverings can used quite successfully repairs covering up holes surface Did know 1976 World Champion stunt plane Mono kote patch over wing-tip weight box Popsicle sticks good sturdy repair pieces Dings dents can also dis guised trim lines trim tape What have lost hinge flaps elevators old ones wont come completely out install new right next old hinge Drill couple holes plastic hinge allow epoxy have wood-to-wood contact allows epoxy act pin after hinge pin toothpick way through panels can refinished covered up plastic coat ing leave alone Tom Dixon style hinge repairs Paper clip wire can used pin hinges have come loose As last resort familiar figure-8 combat-type hinge can sewn using Dacron flying lines say built tank has started leak vent tubes loose tank has come out Go through bottom fuselage carefully break tank loose mounting kitchen knife heated red hot can used help loosen tank its tight-fitting mount pushrod came loose broke still have plane left will have slice off top fuselage two places have place work Most time pushrod breaks plane air theres much left plane work Ted Fancher vaguely remembers dilemma information stunt PAMPA contact Wynn Paul 1640 Maywick Drive Lex Ky 40504 CL Navy Carrier/Perry continued page 46 class Carrier ships new bellcranks compact still provide strength smoothness throttle arm movement characteristic original G-S bellcranks G-S control units best available opinion includes home-built units have seen Carrier fliers fortunate models usually last long time Ive flown same models five six seasons can mixed blessing however since control system usually con cealed cannot inspected damage single components susceptible ravages time leadouts Cor rosion wear primary problems Solid cable leadouts both popu lar Solid leadouts withstand corrosion wear better can keep straight prefer cable leadouts wont argue against either type want mention some procedures could re duce potential problems Solid leadouts can soldered fairly well Cable leadouts little different small-diameter wire prone damage overheating excess flux can carried inside cable quite distance solder joint prop erly neutralized baking soda solution good flux can cause corrosion rec ommend wire-wound line terminations shown rule book cable leadouts avoid potential problems solder ing cable Epoxy can used coat lightly wire bindings prevent coming loose Leadouts should always larger diam eter wire required control lines avoid excessive weakening due wear bellcrank wear greatest leadouts can placed inside small-diameter brass tubing proper precautions combat wear corrosion control system can re main safe functional life model Richard L Perry 5016 Angelita Ave. Dayton OH 45424 CL Speed/Hempel/Upton continued page 47 tractor example 170 Use flashlight tell rotor crank port closes example 720 opens example 2320 Now take closing 720 subtract 1800 170 inlet timing open 350 after BDC closed 550 after TDC total dura tion 1800 1450 2000 Now have thoroughly confused secret timing numbers Piped engines1680 — 1720 exhaust 1280 1320 intake rotor open 450 ABDC close 650 ATDC Minipiped engines1600 1660 exhaust 1240 1280 intake rotor open 350 ABDC close 550 ATDC general rules-of-thumb give good re sults necessarily ultimate have run piped 29s 1760 exhaust 1340 intake good re sults become very sensitive have getting lots mail telling 96 Model Aviation 4 NEY KITS OF WORLD CLASSIC AIRCRAFT FROM FLYLINE 3033 100 03pO, 0030 po0,d 300313000050 LUTON Minor 00034 300 o3wP .&I 00 jod 000030 00030000 0 035 30, 003 .oooipfofloog 30020 oooO 0I00 00 300, 0000- big 300 00000 03051 000 00000 Send 25t catalog See yotirdeoler oil FLYLINEs classic kits NOW INE MODELS INC 2320 00, 0030 Ut 3 023 HEINKEL 1000 OOON*CO00 *050 0000 701 0 0000030 03005 00 030 1000030 030 S7OF