OLD TIMERS Clarence Haught SOMETIMES its difficult remember everyone cut modeling teeth ignition engines Judging mail suspect its time devote little space idiosyncrasies spark ignition basic difference between glow spark ignition fuel/air mixture ignited Glow ignition depends constantly glowing wire coil Spark ignition delivers repeated timed spark Simple enough except 3 volt power source will jump spark plug gap Jumping typical 015 020 gap requires transformer readignition coil change low voltage high amperage current high voltage low amperage charge will fire plug Ignition coils have two windings primary winding consisting few turns heavy wire secondary winding consisting turns fine wire practice connect side 3 volt power source engine mount lug ground other through primary coil winding insulated contact point will have circuit controlled mechanical switch readpoints switch timed piston position within cylinder During time engine getting ready fire points closed current flowing coil building magnetic field primary windings engine ready fire points open interrup ting primary current flow causing magnetic field collapse across secondary winding induces high voltage current secondary circuit has power needed jump spark plug gap fire mixture 200 volt 1 MFD condenser connected points ground aids instantaneous collapse primary current reduces arcing points Getting down practical approach potential field problems can eliminated installation routine servicing Use good components adequate hook up wire 18 gauge multi strand solder joins securely Mount components solidly support wiring bundling and/or securing aircraft structure condensers current use equipped solid wire prone vibration failures like keep wires short possible soldering stranded wire close condenser securing solid portion wire structure epoxy glue significant difference spark ignition today old days has improve ment batteries As youngster spent hours trying get balky engine running have quit switching boosters flight batteries Today dont use boosters bigger ships equipped C D alkaline cells Dry points must Keep clean adjusted around 008 012 engine will happy Keep oil away ignition components Its great conductor readshort circuiter Continued naze 116 augnrs Inslant ugnaimon set use ii ounch-test engine aid airborne system suspected having problems Picture up per right shows neatly packaged system grappling O&R 23 Lower left picture shows classified wiring diagram parts needed build Lower right photo shows interior just prior attaching cover story has good tips May 1980 51 old timer gliders too Jasco Floater built Stan Colson New England Wake field Group Fuselage covered silk wings tail Jap tissue J Bockius photo ING FOR BETTER FIELD BOX J CO2 lovers keeping cool desirable thing Bill CaIdwells method using bayonet-mounted CO2 system whereby flannel sleeve dipped hot water slipped over tank helps keep motor perking coldest days way beat frosting problem Ireland via Earl Van Gorder Mid-Hudson Modelmasters fame comes idea warming tanks looks promising Take lower end aluminum cigar tube slip up onto tank Warm water held between tank its jacket 0 ring fitting snugly around top tank pin used let air out 0 ring inserted between two Just breathe some warmth back device after flight Jerry Bockius Sons Desert Squad ron Flying Aces Club up Colchester CT suggests cannot overdo safety precau tions hotzapstuff adhesives feels 2-4 lb lead receptable press fit bottle might help solve problem accidental overturning have recently seen modelers coming much too familiar type instant glue cyanoacrylate point using fuel tubing bottle dispense perhaps Jerry has good point Gluing fingers together cute eye glued shut period several days less appealing Attention Waco lovers Charles Schaaf has just sent along whole page Waco 3-view listings now available Smithsonian unaware drawings available source suggest send listings irc raft Drawings National Air Space Museum 3904 Old Silver Hill Rd Suitland MD 20023 Prices very reasonable too FF Duration/Meuser Continued page 113 time Sandpapered tissue make lighter Dont know whether saved much weight sure fuzzied up lot tremendous psychological value could ever hope beat guy sandpapered tissue paper California State Fair model plane meets got regular official state medals gold silver bronzethe same winemakers beet growers cattle ranchers winemakers such money pocket advertising value us important different way Anyhow guy wins gold silver medal whatever immediately sends somewhere have assayed comes back big notch sawed out side answer Nope its plated zinc-base alloy pot-metal invoice $5 days could get Buick Century Packard 180 $1200 Bob Meuser 4200 Gregory St Oakland CA 94619 FF Sport/Scale/Warner continued page 50 flying surface outlines balsa ribs bulk heads use plastics form nylon monofilament fuselage wing rigging styrofoam pilot detract least elegance creations Maybe might like consider whether plastic wheels props detract enhance scale mystique next model Wakefield Scale Modeling what its promoters call new yearly contest forjumbo scale rubber models huge silver cup winner has proposed implemented competition will included US FF Championships Taft CA May trophy called Ray Berens Perpetual Trophy honor top rubber modelers Southern California size models eligible fly event will gradually increase over next ten years present 36 monoplane 30 biplane rule 50 36 spans respectively 1990 Bob Scheidly New Haven IN passes interesting way make own balsa printwood First find Xerox machine does enlarge reduce plans make copy dark can blotching transfer part outlines right onto balsa sheet iron set wool Tricky no Has rubber job buzzing about like drunken hummingbird Ed Carson writes Denmark hardest flight problems solve erratic flying comes loose nose block tends hop out giving ever-changing thrust directions beginning modelers experience situation can easily cured cementing hard balsa strips inside fuselage opening until nose-block snug fit also helps make part nose block slips opening bit deeper shown plans just case shims used down side thrust reduce amount sticking fuselage too much hold steady first World Peanut Grand Prix sponsored MIAMA club will held June 2425 West Baden Indiana Butch Hadland will flying UK CD presti gious event entry blank send Mike Arak 10900 SW 61 Ct Miami FL 33156 Proxy entries accepted proxy fliers will probably welcomed big event FF scale modeling year will Flying Aces Nats tentatively set August 9 10 Dayton Ohio Fifteen big events expected draw FAC-oriented fliers entire US Canada Frank Scott 513 890-5989 CD Thanks fine pix tips Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 FF Old Timer/Haught continued page 51 experience has shown troubles occur following priority order batteries points wiring condensers coils troubleshoot accordingly bears mention us assume trouble ignition system Failure start can also due fuel related problems preliminary checks indicate some spark try putting glow plug engine connect 1 volt battery try starting engine Yes engine will run gas-oil fuel mixture long glow plug connected power source technique will allow clear flooding obtain needle valve setting go back try spark ignition find method saves valuable time field eliminates futile trouble shooting wrong area photographs month show simple inexpensive ignition unit made up stock electronic supply house parts exception coil built unit test stand use Continued page 120 116 Model Aviation Look Aerotrend best market Tested approved reccomended RCM FM MAN magazines Flyin Box right made super durable fiberglas shipped completely assembled stor age bins flip-up plane supports folding legs wood boxesleft offer similar range features low low price Both types offered deluxe models built-In power panels other access ories shown8995 Assembled SEND SASE FOR FREE CATALOG SHOWING ALL OUR FINE PRODUCTS WEST PROSPECT STREET AEROTREND PRODUCTS N CT 06515 INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO II PLANES BOATSCARS MANuFACTURERS-STATIC DISPLAYS-SWAP SHOP October 34 5 1980 West Eight Mile Artillery Armory Oak Park Michigan GET MORE THRUST FOR YOUR BIGGIE WITH EFFICIENT DURABLE GLASSFILLED PROPS FROM D YNA THRUST Designed conjunction Dave Platt Now NEW NEW NEW ROPE STARTING IS SAFE AND EASY WITH DYNAHUB $1200 Shipped Replaces stock hub motors 5/16 NF thread including QUADRA HUSKY ROPER EVRA others Can USED WITH SPINNER drilled six bolt Direct sales prices include shipping 18- 6 18-8 $800 20-8 20-10 $2000 15-6 $500 16 inchers coming soonl FF Old Timers/Haught continued page 716 find makes valuable trouble shooting aid field component failure suspected simply disconnect aircraft ignition system hook up test box system allows isolate engine problems ignition component problems much same glow plug technique allows separation problems few additional tips building unit used shown Housing electronics supply houses experimenter box battery box coil secured silicone rubber bathtub caulking cement 200 volt 1/10 MFD Radio Shack capacitor soldered next coil capacitor itself epoxy cemented directly coil Alkaline D cells eliminate need booster batteries leads exit box first knotted inside box strain relief Alligator clips external leads simplify connections Another useful device trouble shooting volt-amp meter check presence current system Lacking such meter simple 3 volt test light can useful An inexpen sive can made 3 volt bulb bulb socket two short test leads Use aids determine battery condition current points short circuits ground Theres nothing mysterious about trouble shoot ing thorough systematic approach will get back air minimal time San Diego Aeroneers old San Diego Aeroneers out recapture distinction being club San Diego have newsletter going now issue received reproduction glow plug instructions Check MO VISA MC COD shipped UPS DYNATHRUST/Raymond Colleli 2541 NE 11th Court Pompano Beach FL 33062 Phone 305 941 -9119 Arden engines listed two mix-it-your self fuel formulas Formula reveals its ignition era ancestry 25% SAE 70 oil 50% white gasoline 25% No Nitrophane mixture reputed very satisfactory gasoline-base fuel critical Formula B consisting 25% castor oil 37% Methanol 3Th% Nitromethane described An especially recommended alco hol-base fuel very hot critical far todays popular blends Interesting say least can contact San Diego Aero neers 2879 Marathon Drive San Diego CA 92123 Cyke Manual Richard Corey PO Box 597 415 Homer Road Minden LA 71055 repro ducing Super Cyclone operating instructions Nicely done original color format booklet includes trouble shooting disassembly instructions well operating procedures some dimensioned drawings Cost 16 page manual $4 postpaid New event Well sort Bob Stalick well-known free flight circles author active AMA official originator SAM name Society promoting Old Timer Scale event Currently flown during indoor season Willamette Model Club Albany Oregon event calls rubber powered replica Old Timer Antique Gas Model Maximum wingspan 24 Judged fidelity original duration Engine compartment propeller judged Sounds like loads fun elimi nates old excuses cant find engine building room too small old times too much work etc Clarence Haught Rt 5 Box 16 CouerdAlene ID 83814 California Kid/Hopkins continued page 62 stresses well use 1/16 gussets top bottom will help prevent diagonal wrinkles fre quently appear corners top surface after covering front spar stabilizer made 1/32 sq spruce can found hobby shop deals model railroad equipment available 1/16 sq balsa works fine Take extra care cutting out notches stab ribs overlay trailing edge joints must snug stabilizer built glue has set thoroughly remove board sand its finished shape cover material choice done cut holes between center ribs rudder LE TE spar build rudder Dont attempt build stab rudder same time becausewith type construction covering will nightmare made single unit hole rudder made using 5/32 od aluminum tubing drilljust twisting back forth until cuts through done cut 3/32-in ring off end tube epoxy hole Before settle down work main part fuselage laminate hard 1/16 sheet andthe two sheets medium hard 1/32 sheetto gether balsa plywood youll use pylon mixture 50% white glue 50% water makes fine bonding agent Note grain direction 1/16 vertical before place sheets together sure pin down thor oughly ply will dry free warps Allow dry overnight Next cut out firewalldrill four holes mounting screws epoxy blind nuts onto back indicated plan insure perfect alignment bolt engine right firewall allow epoxy dry thoroughly youve ever built scale model youll find fuselage construction familiar Pin longerons first side place over plan cut out uprights glue position Now add diagonal braces being careful cut ends shown plan Build second side directly over first glue both sides has dried thoroughly cut apart sliding razor blade between Place sides top edges pin place over plan glue bulkheads * 1 #2 position taking care keep sides alignment dry glue sides together rear add top bottom spacers behind bulkhead #2 Now carve sand balsa noseblock correct shape glue place between two sides front bulkhead #1 joints have dried thoroughly remove partially completed fuselage building board glue two pieces TE stock top structure Check make sure youve left enough too much room pylon slip through glue firewall place certain firewall set left down thrust angles shown plan glue drying cut pylon subrudder final shapes Now add tiny spacer blocks bottom stringer glue pylon assembly position add top space blocks stringer Add subrudder except few bits pieces final sanding ready cover Covering I used transparent MonoKote 120 Model Aviation NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOWI SWANSON P0 Box 151 Wayne NJ 07470 BARRONS SCALE CLASSICS PLANS & CONSTR MANUAL Curtiss Hawk P6E Stinson Reliant SR9 1/ASCALE 94SSP $2250 1ASCALE 12BSP $2500 2SCALE SISPAN $1250 2~CALE 34SPAN $1500 1jSCALE 4SP$10S0SCALE 63SPAN $ 1250 Curtiss FIIC2 Curtiss Gulfhawk IA LASCALE 945SP $3000 I/4SCALE 94SSP $3000 2SCALE B3SP $1500 aSCALE 63SP $1500 PLEASE ADD *200 FOR P/H SEND $100 WRITE FOR MAILING INFORMAtION INCLUDE $100CATALOGE FOR CATA LOSE ~iRRILJ 1213 HOLLY SPRINg LANE GRAND BLANC Mi 4R439
Edition: Model Aviation - 1980/05
Page Numbers: 51, 116, 120
OLD TIMERS Clarence Haught SOMETIMES its difficult remember everyone cut modeling teeth ignition engines Judging mail suspect its time devote little space idiosyncrasies spark ignition basic difference between glow spark ignition fuel/air mixture ignited Glow ignition depends constantly glowing wire coil Spark ignition delivers repeated timed spark Simple enough except 3 volt power source will jump spark plug gap Jumping typical 015 020 gap requires transformer readignition coil change low voltage high amperage current high voltage low amperage charge will fire plug Ignition coils have two windings primary winding consisting few turns heavy wire secondary winding consisting turns fine wire practice connect side 3 volt power source engine mount lug ground other through primary coil winding insulated contact point will have circuit controlled mechanical switch readpoints switch timed piston position within cylinder During time engine getting ready fire points closed current flowing coil building magnetic field primary windings engine ready fire points open interrup ting primary current flow causing magnetic field collapse across secondary winding induces high voltage current secondary circuit has power needed jump spark plug gap fire mixture 200 volt 1 MFD condenser connected points ground aids instantaneous collapse primary current reduces arcing points Getting down practical approach potential field problems can eliminated installation routine servicing Use good components adequate hook up wire 18 gauge multi strand solder joins securely Mount components solidly support wiring bundling and/or securing aircraft structure condensers current use equipped solid wire prone vibration failures like keep wires short possible soldering stranded wire close condenser securing solid portion wire structure epoxy glue significant difference spark ignition today old days has improve ment batteries As youngster spent hours trying get balky engine running have quit switching boosters flight batteries Today dont use boosters bigger ships equipped C D alkaline cells Dry points must Keep clean adjusted around 008 012 engine will happy Keep oil away ignition components Its great conductor readshort circuiter Continued naze 116 augnrs Inslant ugnaimon set use ii ounch-test engine aid airborne system suspected having problems Picture up per right shows neatly packaged system grappling O&R 23 Lower left picture shows classified wiring diagram parts needed build Lower right photo shows interior just prior attaching cover story has good tips May 1980 51 old timer gliders too Jasco Floater built Stan Colson New England Wake field Group Fuselage covered silk wings tail Jap tissue J Bockius photo ING FOR BETTER FIELD BOX J CO2 lovers keeping cool desirable thing Bill CaIdwells method using bayonet-mounted CO2 system whereby flannel sleeve dipped hot water slipped over tank helps keep motor perking coldest days way beat frosting problem Ireland via Earl Van Gorder Mid-Hudson Modelmasters fame comes idea warming tanks looks promising Take lower end aluminum cigar tube slip up onto tank Warm water held between tank its jacket 0 ring fitting snugly around top tank pin used let air out 0 ring inserted between two Just breathe some warmth back device after flight Jerry Bockius Sons Desert Squad ron Flying Aces Club up Colchester CT suggests cannot overdo safety precau tions hotzapstuff adhesives feels 2-4 lb lead receptable press fit bottle might help solve problem accidental overturning have recently seen modelers coming much too familiar type instant glue cyanoacrylate point using fuel tubing bottle dispense perhaps Jerry has good point Gluing fingers together cute eye glued shut period several days less appealing Attention Waco lovers Charles Schaaf has just sent along whole page Waco 3-view listings now available Smithsonian unaware drawings available source suggest send listings irc raft Drawings National Air Space Museum 3904 Old Silver Hill Rd Suitland MD 20023 Prices very reasonable too FF Duration/Meuser Continued page 113 time Sandpapered tissue make lighter Dont know whether saved much weight sure fuzzied up lot tremendous psychological value could ever hope beat guy sandpapered tissue paper California State Fair model plane meets got regular official state medals gold silver bronzethe same winemakers beet growers cattle ranchers winemakers such money pocket advertising value us important different way Anyhow guy wins gold silver medal whatever immediately sends somewhere have assayed comes back big notch sawed out side answer Nope its plated zinc-base alloy pot-metal invoice $5 days could get Buick Century Packard 180 $1200 Bob Meuser 4200 Gregory St Oakland CA 94619 FF Sport/Scale/Warner continued page 50 flying surface outlines balsa ribs bulk heads use plastics form nylon monofilament fuselage wing rigging styrofoam pilot detract least elegance creations Maybe might like consider whether plastic wheels props detract enhance scale mystique next model Wakefield Scale Modeling what its promoters call new yearly contest forjumbo scale rubber models huge silver cup winner has proposed implemented competition will included US FF Championships Taft CA May trophy called Ray Berens Perpetual Trophy honor top rubber modelers Southern California size models eligible fly event will gradually increase over next ten years present 36 monoplane 30 biplane rule 50 36 spans respectively 1990 Bob Scheidly New Haven IN passes interesting way make own balsa printwood First find Xerox machine does enlarge reduce plans make copy dark can blotching transfer part outlines right onto balsa sheet iron set wool Tricky no Has rubber job buzzing about like drunken hummingbird Ed Carson writes Denmark hardest flight problems solve erratic flying comes loose nose block tends hop out giving ever-changing thrust directions beginning modelers experience situation can easily cured cementing hard balsa strips inside fuselage opening until nose-block snug fit also helps make part nose block slips opening bit deeper shown plans just case shims used down side thrust reduce amount sticking fuselage too much hold steady first World Peanut Grand Prix sponsored MIAMA club will held June 2425 West Baden Indiana Butch Hadland will flying UK CD presti gious event entry blank send Mike Arak 10900 SW 61 Ct Miami FL 33156 Proxy entries accepted proxy fliers will probably welcomed big event FF scale modeling year will Flying Aces Nats tentatively set August 9 10 Dayton Ohio Fifteen big events expected draw FAC-oriented fliers entire US Canada Frank Scott 513 890-5989 CD Thanks fine pix tips Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 FF Old Timer/Haught continued page 51 experience has shown troubles occur following priority order batteries points wiring condensers coils troubleshoot accordingly bears mention us assume trouble ignition system Failure start can also due fuel related problems preliminary checks indicate some spark try putting glow plug engine connect 1 volt battery try starting engine Yes engine will run gas-oil fuel mixture long glow plug connected power source technique will allow clear flooding obtain needle valve setting go back try spark ignition find method saves valuable time field eliminates futile trouble shooting wrong area photographs month show simple inexpensive ignition unit made up stock electronic supply house parts exception coil built unit test stand use Continued page 120 116 Model Aviation Look Aerotrend best market Tested approved reccomended RCM FM MAN magazines Flyin Box right made super durable fiberglas shipped completely assembled stor age bins flip-up plane supports folding legs wood boxesleft offer similar range features low low price Both types offered deluxe models built-In power panels other access ories shown8995 Assembled SEND SASE FOR FREE CATALOG SHOWING ALL OUR FINE PRODUCTS WEST PROSPECT STREET AEROTREND PRODUCTS N CT 06515 INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO II PLANES BOATSCARS MANuFACTURERS-STATIC DISPLAYS-SWAP SHOP October 34 5 1980 West Eight Mile Artillery Armory Oak Park Michigan GET MORE THRUST FOR YOUR BIGGIE WITH EFFICIENT DURABLE GLASSFILLED PROPS FROM D YNA THRUST Designed conjunction Dave Platt Now NEW NEW NEW ROPE STARTING IS SAFE AND EASY WITH DYNAHUB $1200 Shipped Replaces stock hub motors 5/16 NF thread including QUADRA HUSKY ROPER EVRA others Can USED WITH SPINNER drilled six bolt Direct sales prices include shipping 18- 6 18-8 $800 20-8 20-10 $2000 15-6 $500 16 inchers coming soonl FF Old Timers/Haught continued page 716 find makes valuable trouble shooting aid field component failure suspected simply disconnect aircraft ignition system hook up test box system allows isolate engine problems ignition component problems much same glow plug technique allows separation problems few additional tips building unit used shown Housing electronics supply houses experimenter box battery box coil secured silicone rubber bathtub caulking cement 200 volt 1/10 MFD Radio Shack capacitor soldered next coil capacitor itself epoxy cemented directly coil Alkaline D cells eliminate need booster batteries leads exit box first knotted inside box strain relief Alligator clips external leads simplify connections Another useful device trouble shooting volt-amp meter check presence current system Lacking such meter simple 3 volt test light can useful An inexpen sive can made 3 volt bulb bulb socket two short test leads Use aids determine battery condition current points short circuits ground Theres nothing mysterious about trouble shoot ing thorough systematic approach will get back air minimal time San Diego Aeroneers old San Diego Aeroneers out recapture distinction being club San Diego have newsletter going now issue received reproduction glow plug instructions Check MO VISA MC COD shipped UPS DYNATHRUST/Raymond Colleli 2541 NE 11th Court Pompano Beach FL 33062 Phone 305 941 -9119 Arden engines listed two mix-it-your self fuel formulas Formula reveals its ignition era ancestry 25% SAE 70 oil 50% white gasoline 25% No Nitrophane mixture reputed very satisfactory gasoline-base fuel critical Formula B consisting 25% castor oil 37% Methanol 3Th% Nitromethane described An especially recommended alco hol-base fuel very hot critical far todays popular blends Interesting say least can contact San Diego Aero neers 2879 Marathon Drive San Diego CA 92123 Cyke Manual Richard Corey PO Box 597 415 Homer Road Minden LA 71055 repro ducing Super Cyclone operating instructions Nicely done original color format booklet includes trouble shooting disassembly instructions well operating procedures some dimensioned drawings Cost 16 page manual $4 postpaid New event Well sort Bob Stalick well-known free flight circles author active AMA official originator SAM name Society promoting Old Timer Scale event Currently flown during indoor season Willamette Model Club Albany Oregon event calls rubber powered replica Old Timer Antique Gas Model Maximum wingspan 24 Judged fidelity original duration Engine compartment propeller judged Sounds like loads fun elimi nates old excuses cant find engine building room too small old times too much work etc Clarence Haught Rt 5 Box 16 CouerdAlene ID 83814 California Kid/Hopkins continued page 62 stresses well use 1/16 gussets top bottom will help prevent diagonal wrinkles fre quently appear corners top surface after covering front spar stabilizer made 1/32 sq spruce can found hobby shop deals model railroad equipment available 1/16 sq balsa works fine Take extra care cutting out notches stab ribs overlay trailing edge joints must snug stabilizer built glue has set thoroughly remove board sand its finished shape cover material choice done cut holes between center ribs rudder LE TE spar build rudder Dont attempt build stab rudder same time becausewith type construction covering will nightmare made single unit hole rudder made using 5/32 od aluminum tubing drilljust twisting back forth until cuts through done cut 3/32-in ring off end tube epoxy hole Before settle down work main part fuselage laminate hard 1/16 sheet andthe two sheets medium hard 1/32 sheetto gether balsa plywood youll use pylon mixture 50% white glue 50% water makes fine bonding agent Note grain direction 1/16 vertical before place sheets together sure pin down thor oughly ply will dry free warps Allow dry overnight Next cut out firewalldrill four holes mounting screws epoxy blind nuts onto back indicated plan insure perfect alignment bolt engine right firewall allow epoxy dry thoroughly youve ever built scale model youll find fuselage construction familiar Pin longerons first side place over plan cut out uprights glue position Now add diagonal braces being careful cut ends shown plan Build second side directly over first glue both sides has dried thoroughly cut apart sliding razor blade between Place sides top edges pin place over plan glue bulkheads * 1 #2 position taking care keep sides alignment dry glue sides together rear add top bottom spacers behind bulkhead #2 Now carve sand balsa noseblock correct shape glue place between two sides front bulkhead #1 joints have dried thoroughly remove partially completed fuselage building board glue two pieces TE stock top structure Check make sure youve left enough too much room pylon slip through glue firewall place certain firewall set left down thrust angles shown plan glue drying cut pylon subrudder final shapes Now add tiny spacer blocks bottom stringer glue pylon assembly position add top space blocks stringer Add subrudder except few bits pieces final sanding ready cover Covering I used transparent MonoKote 120 Model Aviation NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOWI SWANSON P0 Box 151 Wayne NJ 07470 BARRONS SCALE CLASSICS PLANS & CONSTR MANUAL Curtiss Hawk P6E Stinson Reliant SR9 1/ASCALE 94SSP $2250 1ASCALE 12BSP $2500 2SCALE SISPAN $1250 2~CALE 34SPAN $1500 1jSCALE 4SP$10S0SCALE 63SPAN $ 1250 Curtiss FIIC2 Curtiss Gulfhawk IA LASCALE 945SP $3000 I/4SCALE 94SSP $3000 2SCALE B3SP $1500 aSCALE 63SP $1500 PLEASE ADD *200 FOR P/H SEND $100 WRITE FOR MAILING INFORMAtION INCLUDE $100CATALOGE FOR CATA LOSE ~iRRILJ 1213 HOLLY SPRINg LANE GRAND BLANC Mi 4R439
Edition: Model Aviation - 1980/05
Page Numbers: 51, 116, 120
OLD TIMERS Clarence Haught SOMETIMES its difficult remember everyone cut modeling teeth ignition engines Judging mail suspect its time devote little space idiosyncrasies spark ignition basic difference between glow spark ignition fuel/air mixture ignited Glow ignition depends constantly glowing wire coil Spark ignition delivers repeated timed spark Simple enough except 3 volt power source will jump spark plug gap Jumping typical 015 020 gap requires transformer readignition coil change low voltage high amperage current high voltage low amperage charge will fire plug Ignition coils have two windings primary winding consisting few turns heavy wire secondary winding consisting turns fine wire practice connect side 3 volt power source engine mount lug ground other through primary coil winding insulated contact point will have circuit controlled mechanical switch readpoints switch timed piston position within cylinder During time engine getting ready fire points closed current flowing coil building magnetic field primary windings engine ready fire points open interrup ting primary current flow causing magnetic field collapse across secondary winding induces high voltage current secondary circuit has power needed jump spark plug gap fire mixture 200 volt 1 MFD condenser connected points ground aids instantaneous collapse primary current reduces arcing points Getting down practical approach potential field problems can eliminated installation routine servicing Use good components adequate hook up wire 18 gauge multi strand solder joins securely Mount components solidly support wiring bundling and/or securing aircraft structure condensers current use equipped solid wire prone vibration failures like keep wires short possible soldering stranded wire close condenser securing solid portion wire structure epoxy glue significant difference spark ignition today old days has improve ment batteries As youngster spent hours trying get balky engine running have quit switching boosters flight batteries Today dont use boosters bigger ships equipped C D alkaline cells Dry points must Keep clean adjusted around 008 012 engine will happy Keep oil away ignition components Its great conductor readshort circuiter Continued naze 116 augnrs Inslant ugnaimon set use ii ounch-test engine aid airborne system suspected having problems Picture up per right shows neatly packaged system grappling O&R 23 Lower left picture shows classified wiring diagram parts needed build Lower right photo shows interior just prior attaching cover story has good tips May 1980 51 old timer gliders too Jasco Floater built Stan Colson New England Wake field Group Fuselage covered silk wings tail Jap tissue J Bockius photo ING FOR BETTER FIELD BOX J CO2 lovers keeping cool desirable thing Bill CaIdwells method using bayonet-mounted CO2 system whereby flannel sleeve dipped hot water slipped over tank helps keep motor perking coldest days way beat frosting problem Ireland via Earl Van Gorder Mid-Hudson Modelmasters fame comes idea warming tanks looks promising Take lower end aluminum cigar tube slip up onto tank Warm water held between tank its jacket 0 ring fitting snugly around top tank pin used let air out 0 ring inserted between two Just breathe some warmth back device after flight Jerry Bockius Sons Desert Squad ron Flying Aces Club up Colchester CT suggests cannot overdo safety precau tions hotzapstuff adhesives feels 2-4 lb lead receptable press fit bottle might help solve problem accidental overturning have recently seen modelers coming much too familiar type instant glue cyanoacrylate point using fuel tubing bottle dispense perhaps Jerry has good point Gluing fingers together cute eye glued shut period several days less appealing Attention Waco lovers Charles Schaaf has just sent along whole page Waco 3-view listings now available Smithsonian unaware drawings available source suggest send listings irc raft Drawings National Air Space Museum 3904 Old Silver Hill Rd Suitland MD 20023 Prices very reasonable too FF Duration/Meuser Continued page 113 time Sandpapered tissue make lighter Dont know whether saved much weight sure fuzzied up lot tremendous psychological value could ever hope beat guy sandpapered tissue paper California State Fair model plane meets got regular official state medals gold silver bronzethe same winemakers beet growers cattle ranchers winemakers such money pocket advertising value us important different way Anyhow guy wins gold silver medal whatever immediately sends somewhere have assayed comes back big notch sawed out side answer Nope its plated zinc-base alloy pot-metal invoice $5 days could get Buick Century Packard 180 $1200 Bob Meuser 4200 Gregory St Oakland CA 94619 FF Sport/Scale/Warner continued page 50 flying surface outlines balsa ribs bulk heads use plastics form nylon monofilament fuselage wing rigging styrofoam pilot detract least elegance creations Maybe might like consider whether plastic wheels props detract enhance scale mystique next model Wakefield Scale Modeling what its promoters call new yearly contest forjumbo scale rubber models huge silver cup winner has proposed implemented competition will included US FF Championships Taft CA May trophy called Ray Berens Perpetual Trophy honor top rubber modelers Southern California size models eligible fly event will gradually increase over next ten years present 36 monoplane 30 biplane rule 50 36 spans respectively 1990 Bob Scheidly New Haven IN passes interesting way make own balsa printwood First find Xerox machine does enlarge reduce plans make copy dark can blotching transfer part outlines right onto balsa sheet iron set wool Tricky no Has rubber job buzzing about like drunken hummingbird Ed Carson writes Denmark hardest flight problems solve erratic flying comes loose nose block tends hop out giving ever-changing thrust directions beginning modelers experience situation can easily cured cementing hard balsa strips inside fuselage opening until nose-block snug fit also helps make part nose block slips opening bit deeper shown plans just case shims used down side thrust reduce amount sticking fuselage too much hold steady first World Peanut Grand Prix sponsored MIAMA club will held June 2425 West Baden Indiana Butch Hadland will flying UK CD presti gious event entry blank send Mike Arak 10900 SW 61 Ct Miami FL 33156 Proxy entries accepted proxy fliers will probably welcomed big event FF scale modeling year will Flying Aces Nats tentatively set August 9 10 Dayton Ohio Fifteen big events expected draw FAC-oriented fliers entire US Canada Frank Scott 513 890-5989 CD Thanks fine pix tips Bill Warner 423-C San Vicente Blvd Santa Monica CA 90402 FF Old Timer/Haught continued page 51 experience has shown troubles occur following priority order batteries points wiring condensers coils troubleshoot accordingly bears mention us assume trouble ignition system Failure start can also due fuel related problems preliminary checks indicate some spark try putting glow plug engine connect 1 volt battery try starting engine Yes engine will run gas-oil fuel mixture long glow plug connected power source technique will allow clear flooding obtain needle valve setting go back try spark ignition find method saves valuable time field eliminates futile trouble shooting wrong area photographs month show simple inexpensive ignition unit made up stock electronic supply house parts exception coil built unit test stand use Continued page 120 116 Model Aviation Look Aerotrend best market Tested approved reccomended RCM FM MAN magazines Flyin Box right made super durable fiberglas shipped completely assembled stor age bins flip-up plane supports folding legs wood boxesleft offer similar range features low low price Both types offered deluxe models built-In power panels other access ories shown8995 Assembled SEND SASE FOR FREE CATALOG SHOWING ALL OUR FINE PRODUCTS WEST PROSPECT STREET AEROTREND PRODUCTS N CT 06515 INDIAN CITY RADIO CONTROL CLUB PRESENTS GREATER MICHIGAN MODELERS SHOW & EXPO II PLANES BOATSCARS MANuFACTURERS-STATIC DISPLAYS-SWAP SHOP October 34 5 1980 West Eight Mile Artillery Armory Oak Park Michigan GET MORE THRUST FOR YOUR BIGGIE WITH EFFICIENT DURABLE GLASSFILLED PROPS FROM D YNA THRUST Designed conjunction Dave Platt Now NEW NEW NEW ROPE STARTING IS SAFE AND EASY WITH DYNAHUB $1200 Shipped Replaces stock hub motors 5/16 NF thread including QUADRA HUSKY ROPER EVRA others Can USED WITH SPINNER drilled six bolt Direct sales prices include shipping 18- 6 18-8 $800 20-8 20-10 $2000 15-6 $500 16 inchers coming soonl FF Old Timers/Haught continued page 716 find makes valuable trouble shooting aid field component failure suspected simply disconnect aircraft ignition system hook up test box system allows isolate engine problems ignition component problems much same glow plug technique allows separation problems few additional tips building unit used shown Housing electronics supply houses experimenter box battery box coil secured silicone rubber bathtub caulking cement 200 volt 1/10 MFD Radio Shack capacitor soldered next coil capacitor itself epoxy cemented directly coil Alkaline D cells eliminate need booster batteries leads exit box first knotted inside box strain relief Alligator clips external leads simplify connections Another useful device trouble shooting volt-amp meter check presence current system Lacking such meter simple 3 volt test light can useful An inexpen sive can made 3 volt bulb bulb socket two short test leads Use aids determine battery condition current points short circuits ground Theres nothing mysterious about trouble shoot ing thorough systematic approach will get back air minimal time San Diego Aeroneers old San Diego Aeroneers out recapture distinction being club San Diego have newsletter going now issue received reproduction glow plug instructions Check MO VISA MC COD shipped UPS DYNATHRUST/Raymond Colleli 2541 NE 11th Court Pompano Beach FL 33062 Phone 305 941 -9119 Arden engines listed two mix-it-your self fuel formulas Formula reveals its ignition era ancestry 25% SAE 70 oil 50% white gasoline 25% No Nitrophane mixture reputed very satisfactory gasoline-base fuel critical Formula B consisting 25% castor oil 37% Methanol 3Th% Nitromethane described An especially recommended alco hol-base fuel very hot critical far todays popular blends Interesting say least can contact San Diego Aero neers 2879 Marathon Drive San Diego CA 92123 Cyke Manual Richard Corey PO Box 597 415 Homer Road Minden LA 71055 repro ducing Super Cyclone operating instructions Nicely done original color format booklet includes trouble shooting disassembly instructions well operating procedures some dimensioned drawings Cost 16 page manual $4 postpaid New event Well sort Bob Stalick well-known free flight circles author active AMA official originator SAM name Society promoting Old Timer Scale event Currently flown during indoor season Willamette Model Club Albany Oregon event calls rubber powered replica Old Timer Antique Gas Model Maximum wingspan 24 Judged fidelity original duration Engine compartment propeller judged Sounds like loads fun elimi nates old excuses cant find engine building room too small old times too much work etc Clarence Haught Rt 5 Box 16 CouerdAlene ID 83814 California Kid/Hopkins continued page 62 stresses well use 1/16 gussets top bottom will help prevent diagonal wrinkles fre quently appear corners top surface after covering front spar stabilizer made 1/32 sq spruce can found hobby shop deals model railroad equipment available 1/16 sq balsa works fine Take extra care cutting out notches stab ribs overlay trailing edge joints must snug stabilizer built glue has set thoroughly remove board sand its finished shape cover material choice done cut holes between center ribs rudder LE TE spar build rudder Dont attempt build stab rudder same time becausewith type construction covering will nightmare made single unit hole rudder made using 5/32 od aluminum tubing drilljust twisting back forth until cuts through done cut 3/32-in ring off end tube epoxy hole Before settle down work main part fuselage laminate hard 1/16 sheet andthe two sheets medium hard 1/32 sheetto gether balsa plywood youll use pylon mixture 50% white glue 50% water makes fine bonding agent Note grain direction 1/16 vertical before place sheets together sure pin down thor oughly ply will dry free warps Allow dry overnight Next cut out firewalldrill four holes mounting screws epoxy blind nuts onto back indicated plan insure perfect alignment bolt engine right firewall allow epoxy dry thoroughly youve ever built scale model youll find fuselage construction familiar Pin longerons first side place over plan cut out uprights glue position Now add diagonal braces being careful cut ends shown plan Build second side directly over first glue both sides has dried thoroughly cut apart sliding razor blade between Place sides top edges pin place over plan glue bulkheads * 1 #2 position taking care keep sides alignment dry glue sides together rear add top bottom spacers behind bulkhead #2 Now carve sand balsa noseblock correct shape glue place between two sides front bulkhead #1 joints have dried thoroughly remove partially completed fuselage building board glue two pieces TE stock top structure Check make sure youve left enough too much room pylon slip through glue firewall place certain firewall set left down thrust angles shown plan glue drying cut pylon subrudder final shapes Now add tiny spacer blocks bottom stringer glue pylon assembly position add top space blocks stringer Add subrudder except few bits pieces final sanding ready cover Covering I used transparent MonoKote 120 Model Aviation NEW FIREBALL GLOW PLUGS ARE LEAKPROOF AND BLOWOUT PROOF EVEN FOR THE NEW MONSTER ENGINES BUT THEY ARE STILL THE OLD PRICE OF $110 WRITE NOWI SWANSON P0 Box 151 Wayne NJ 07470 BARRONS SCALE CLASSICS PLANS & CONSTR MANUAL Curtiss Hawk P6E Stinson Reliant SR9 1/ASCALE 94SSP $2250 1ASCALE 12BSP $2500 2SCALE SISPAN $1250 2~CALE 34SPAN $1500 1jSCALE 4SP$10S0SCALE 63SPAN $ 1250 Curtiss FIIC2 Curtiss Gulfhawk IA LASCALE 945SP $3000 I/4SCALE 94SSP $3000 2SCALE B3SP $1500 aSCALE 63SP $1500 PLEASE ADD *200 FOR P/H SEND $100 WRITE FOR MAILING INFORMAtION INCLUDE $100CATALOGE FOR CATA LOSE ~iRRILJ 1213 HOLLY SPRINg LANE GRAND BLANC Mi 4R439