INDOOR Bud Tenny RUBBER winding techniques Over years methods use wind rubber motors have changed early years distinct advantage have old-timer like Bill Tyler Carl Goldberg help wind up especially turned crank guys developed feel motors acute instinct turns motor would take before broke flew often enough could almost predict just turns would take make flight winner Hold tight pro winding motor up anchor motor cover up broken motor would caught hands instead smashing model basic strategy cup left thumb forefinger around prop touching grasp prop hook motor hold tightly possible right hand cupped over fingers left hand model allowed roll back out way double thrust bearing used prop unhooked rear guide Now motor broke didnt flinch cupped hand would catch motor pieces save model can remember flew 62 Nats got Tom Finch wind simply said Hold started cranking little Indoor experience really didnt know what expect did get hint would rough held tightly could Before Tom finished cramp arm took hours go away got model off OK really worried awhile Juniors very much same situation found myself permissible have someone hold model crank turns photos shows Bradley Fulmer Mishawaka IN just after finished winding model case Brads father preparing transfer motor winder models rear hook Newer better mid-1960s John Triolo reported winding off model method anchor motor metal hook imbedded comfortable wood handle did eliminate terrible strain thumb fingers safer model Before long Indoor becoming popular people flying Indoor models needed some substitute uncanny Tyler skill Gradually torquemeters have became popular means measure both rubber motors stress capacity guide much power launch Careful records tied model/prop combo motor size weather conditions allowed willing keep suitable flight records approach Indoor flying system atically use torquemeters major factor has helped improve Indoor stand ards performance much past few years addition safer winding has helped models last longer Wind torquenseter torquemeter anchored safely motor can attached hook torquemeter safely away model Now motor can wound predetermined torque number turns After some winding experience possible use torquemeter reading reach maximum turns breakingmost time first place motor should wound close break ing time maximum turns can installed Since invariably too much torque motor should unwound very slowly until torque drops level needed flight Start winding stretching motor about six eight times its normal length Wind slowly watching torque reading As motor gets close breaking point small increase turns will really make torque jump Stop carefully massage motor working out large knots Move slowly continuing wind keeping torque consistently high level After motor back near its normal length note torque level carefully unwind turns until torque drops proper level Wait moment see torque fairly stable level want fly Unhook motor winder Continued page 121 52 Model Aviation Bradley Fulmer Mishawaka IN holds winder dad transfers rubber planes tail hook 1979 Nats photo Bud Tenny winding stooge fine Indoor Scale modelsit adjusts dif ferent models supports front fuselage Tenny photo Vise-Grip pliers lock stooge bench features wide aperture rear large models uses winding tube splatter plate catch flying rubber broken motor Tenny photo moment truth Fully-wound motor extracted winding tube inserted 1911 Cessna Note tube has pushed back overwinderextension wire Next Hook up prop Photo byTenny IF YOU KNOW MODELER WHO WOULD LIKE TO BUILD FASTER TER NGER AND NEATER DO HIM BIG FAVOR LET HIM TRY SOME OF YOUR HOT STUFFTM AFTER ALL ISNT THAT WHAT MODELING IS ALL ABOUT SHARING GOOD THING GAP FILLING EUE LINEEFILLETING POSITIONABLE HIGH VISCOSITY TIMED BOND 10 25 sec Use like regular glue wait HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration NSTANT BOND RATE 3 10 sec started EXCLUSIVE VISIBLE FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec THE HIGH PERFORMANCE ADHESIVES IN HOBBY SHOPS AROUND THE WORLD O4 PO BOX 836 SIMI CA 93065 522-0062 Free Flight Hall Fame awards announced National Free Flight Society has announced its Hall Fame awards 1980 Recipients Louis Garami Ben Shereshaw Henry Cole James Cahill Wallace Simmers individuals have ways contri buted Free Flight model aviation Garami deceased innovative prolific designer especially small models Shereshaw developed famous Bantam engine designer esthetically-pleasing aircraft Cole created rubber-power model designs performed ex ceptionally well Cahill perhaps best known Clodhopper 1938 Wakefield winner Simmers designer still-popular Handlaunch Glider Rubber-power model designs also manufacturer kits supplies Model aviation Exploratorium worlds largest model airplane person-powered channel-crossing Gossamer Albatross display San Franciscos unique learning ex perience Exploratorium period six weeks during May June big news Bud Romaks microfilm Indoor competition models display along Exploratorium Director Dr Frank Oppen heimer thought would present interesting companson shoestring-budgeted Exploratorium gives youngsters opportunity science think theyre just playing learn being taught Crazy idea works Perhaps comic relief also funny little Ornithopter model display modesty prevents mentioning name builder Campbells coming Tra-La Shirley Lee Campbell have formed newest company enter free flight kit market Campbells Custom Kits PO Box 5996 Lake Worth FL 33461 First kit Out door Thermal Piglet proven winner during past six years development kit features full 4 x 18-in wing hair over 3/16 thick made mediumdensity B-grain balsa finished final outline airfoil section about 90% along path completion Other partsC-grain stabi lizer rudder finger notch reinforcement 21in spruce fuselageare shaped final outline Also included kit miscellaneous OHIO SUrcAR MODEL PRODUCTS INC 5630 Cherokee urive canton Ut-I 4412U parts including swinging-weight dethermalizer Typically no liquids included kit Instructions adequate anyone has built HLG before might well frustratingly inadequate beginner take opportunity make standard semi-annual pitch John Kaufmanns fine book Flying Hand-Launched Gliders William Morrow Co New York 1974 book required reading anyone interested phase Free Flight regardless level proficiency local hobby shop has no legitimate excuse carrying paperback version avail able through AMA paltry $175 Meanwhile back Campbell Kit Works. inasmuch both kit its manufacturer new unlikely local Hobbie Shoppie will have stockbut asking doesnt cost event can get kit mail $498 plus $2 shipping per order Additional kits offered soon will Tiny Piglet smaller version Thermal Piglet young arms Chuck Weiss Merlin US record-holder Canadian Nationals-winning outdoor HLG Flappers such point doesnt seem fair continue deprive readers Meusers Folly #239 concede reluctantly variation Fowler flap fact foulest variation flap ever conceived Airliners require mechanisms operate continuous-variation orwhirr-rr-rr mode stuck things like Fowler flaps Free Flight models can tolerate mechanisms operate step-function ka-thunk mode Refer sketch During climb flaps reefed present wing small area symmetrical airfoil section engine cuts ka-thunk flaps unfurl suddenly model has double wing area high-lift undercambered section boot competitive advantages obvious work out mere mechanical details scheme achieve degree success please let know might bother mention name receive NFFS Model Year award concept Bob Meuser 4200 Gregory St Oakland CA 94619 FF Indoor/Tenny Continued page 52 right hand get model left hand Pick model up grasping prop shaft next hook Hook motor prop shaft check see shaft properly seated thrust bearing Grasp motor prop hook firmly align models fuselage motor Position model motor same length will model check torque reading Unhook motor torquemeter hook model very October 1980 121 NEW ZLIN Z5OL AEROBATIC QUARTER SCALE MODEL ENGINE 90 WINGSPAN 80 CONSTRUCTION Foam Wing a Fuselage Tail WING AREA 1122 sq FLYING WEIGHT lOto 11 lbs Fiberglas Cowl 3/16 Aluminium Landing Gear fLLOAS dt Pt SEND $1 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA 181 PAWNEE STREET SAN MARCOS CALIFORNIA 9 RUBBER STRIP FAI RUBBER 4 out S flyoff 1979 World Championships used FAI RUBBER Made USA SIZES % 3/16 1/8 3/32 1/16 1mm 042 thick SPOOLED GROSS WT 1-% 1-Y LBS PRICE $1250 first spool PPD US Additional spools $1250 NEW PIRELLI SIZES 6mm 5mm 4mm X 1mm PRICE $1500 first hank PPD US Additional spools $1450 Sole US Distributor World-Wide Sales Send 25 cents 1980 Catalog FAXModel Supply ox 3957 Torrance CA 90510 carefully check knots might rub fuselage make sure motor correctly aligned prop hook Make last check models prop shaft thrust bearing sure everything hooked up OK look sure arent under someones model launch Keep good records Immediately after launch record turns launch torque model/prop combination date anything else will help decide turns use next flight first flight next contest Now wait model land unwind count remaining turns motor Record number turns left along other data flight very turns left after flight got ceiling no unusual problems motor can probably shortened somewhat Remember go pick up trophy did yourself dont have share glory ace winding mechanic other hand flight bombed fault Winding stooges Indoor Scale fliers have developed fixtures hold models during winding makes much easier load models flight often saves model besides Another photo shows biplane GRUMMAN WIDGEON MR Gs PRODUCTS 1100 Michigan I3ox 161 Marvsvillc Nil 4804 rather complete fixture portable table table comfortable height stand-up wind ing has adjustable plate rear allow other models held has support front fuselage Another photos shows fixture removable wire pin goes through hollow rear motor peg small aluminum tubing makes light strong rear peg frontofthis fixture has splatter board catch broken motor winding tube available also Very few Indoor Scale modelers will trust luck breaking motors winding tube very common Note winding tube has slot rear peg motor entirely enclosed during winding motor breaks will entirely contained splatter plate front absorbs blows loose end motor model will rarely damaged Hand-held winding Some Scale modelers pre fer have model held shown another photo Note winding complete helper has moved winding tube out fuselage pushed over long winder extension wire must used winding tube flier must grasp motor unhook winder attach prop held left hand will take model seat thrust block front model launch using winding tube instant shown photo time danger skilled steady helper makes big difference safety model extra trouble well worth Bud Tenny PO Box 545 Richardson TX 75080 Northrop Alpha/Wilson Continued page 60 new all-air route New York City Los Angeles cutting former airplane train combination schedule 48 hours 36 hours routine still included overnight stop Kansas City introduction Alpha aircraft April 20 1931 coast-to-coast mail time reduced 24 hours July 20 1931 air ways lighting system completed permitted night flying West-bound flights made 21 hours 40 minutes east bound Alpha flights taking off Los Angeles stops Winslow Albuquerque Amarillo Wichita Kansas City St Louis Terre Haute Indianapolis Columbus Pittsburgh Harrisburg Philadelphia finalizing New York lessened 19 hours 19 minutes Transcontinental Western Airs fleet Alphas grown 13 aircraft TWA learning fast real money-maker US Mail contracts cargo hauling especially Alpha During 1932 TWA would fly Alphas Wichita further modifica tions Ste arman factory Stearman employees installed Grimes landing lights underside wings cockpit outfitted additional navigational aids including Western Electrics two-way radio long- short-range receivers passenger seating removed cargo area increased provide 1250 lbs gross weight allowance Roaring skyward Out Wichita revamped cargo hauling Stearman-Northrop Alpha windows blocked out except side fuselage underwent yet another redesignation now dataplate carried Alpha Model 4A TWA would promote 4As toward further all-weather around-the-clock refinements first commercial installation Goodrich de icer boots Wings empennage leading edges prevent ice buildup Alpha launched new part aviation history wrote big first page TWAs financial ledgers Alpha era certainly represented romantic colorful yet dangerous phases aviation Piloting Alphas night mail flights separated men boys passenger flights waited out weather improve ments daring air mail pilots would take off adverse weather conditions Alpha 4As contract air mail routes air lines lifeblood TWA carried mail mail carried TWA intrepid Alpha solo pilots would generally fly visual sight ground landmarks cities city lights airway beacons guiding way employing railroad destination guide pilot would always fly right-hand side tracks because incidents two aircraft enroute opposite directions yet both flying same side tracks having head-on collision Flying under clouds overcast preferable getting above solid overcast sky always presented possibility finding hole let down through arriving next airport Also reliable time too much static 1 22 Model Aviation CAIJDRON Among efficient p Golden Age racers Caudron won 1936 Grove & Thompson trophies well races Europe FE DECALS TO ALLOW FINISHING MODEL AS ANY ONE OF FIVE DIFFERENT AIRCRAFT THREE TYPES OF LANDING GEAR INCLUDING WHEEL PANT VERSIONS DETAILED INTERIOR SERIES OF GOLDEN AGE RACING AIRCRAFT 1132 SCALE PLASI MODEL KIT Ultimate Flying Boat The
Edition: Model Aviation - 1980/10
Page Numbers: 52, 121, 122
INDOOR Bud Tenny RUBBER winding techniques Over years methods use wind rubber motors have changed early years distinct advantage have old-timer like Bill Tyler Carl Goldberg help wind up especially turned crank guys developed feel motors acute instinct turns motor would take before broke flew often enough could almost predict just turns would take make flight winner Hold tight pro winding motor up anchor motor cover up broken motor would caught hands instead smashing model basic strategy cup left thumb forefinger around prop touching grasp prop hook motor hold tightly possible right hand cupped over fingers left hand model allowed roll back out way double thrust bearing used prop unhooked rear guide Now motor broke didnt flinch cupped hand would catch motor pieces save model can remember flew 62 Nats got Tom Finch wind simply said Hold started cranking little Indoor experience really didnt know what expect did get hint would rough held tightly could Before Tom finished cramp arm took hours go away got model off OK really worried awhile Juniors very much same situation found myself permissible have someone hold model crank turns photos shows Bradley Fulmer Mishawaka IN just after finished winding model case Brads father preparing transfer motor winder models rear hook Newer better mid-1960s John Triolo reported winding off model method anchor motor metal hook imbedded comfortable wood handle did eliminate terrible strain thumb fingers safer model Before long Indoor becoming popular people flying Indoor models needed some substitute uncanny Tyler skill Gradually torquemeters have became popular means measure both rubber motors stress capacity guide much power launch Careful records tied model/prop combo motor size weather conditions allowed willing keep suitable flight records approach Indoor flying system atically use torquemeters major factor has helped improve Indoor stand ards performance much past few years addition safer winding has helped models last longer Wind torquenseter torquemeter anchored safely motor can attached hook torquemeter safely away model Now motor can wound predetermined torque number turns After some winding experience possible use torquemeter reading reach maximum turns breakingmost time first place motor should wound close break ing time maximum turns can installed Since invariably too much torque motor should unwound very slowly until torque drops level needed flight Start winding stretching motor about six eight times its normal length Wind slowly watching torque reading As motor gets close breaking point small increase turns will really make torque jump Stop carefully massage motor working out large knots Move slowly continuing wind keeping torque consistently high level After motor back near its normal length note torque level carefully unwind turns until torque drops proper level Wait moment see torque fairly stable level want fly Unhook motor winder Continued page 121 52 Model Aviation Bradley Fulmer Mishawaka IN holds winder dad transfers rubber planes tail hook 1979 Nats photo Bud Tenny winding stooge fine Indoor Scale modelsit adjusts dif ferent models supports front fuselage Tenny photo Vise-Grip pliers lock stooge bench features wide aperture rear large models uses winding tube splatter plate catch flying rubber broken motor Tenny photo moment truth Fully-wound motor extracted winding tube inserted 1911 Cessna Note tube has pushed back overwinderextension wire Next Hook up prop Photo byTenny IF YOU KNOW MODELER WHO WOULD LIKE TO BUILD FASTER TER NGER AND NEATER DO HIM BIG FAVOR LET HIM TRY SOME OF YOUR HOT STUFFTM AFTER ALL ISNT THAT WHAT MODELING IS ALL ABOUT SHARING GOOD THING GAP FILLING EUE LINEEFILLETING POSITIONABLE HIGH VISCOSITY TIMED BOND 10 25 sec Use like regular glue wait HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration NSTANT BOND RATE 3 10 sec started EXCLUSIVE VISIBLE FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec THE HIGH PERFORMANCE ADHESIVES IN HOBBY SHOPS AROUND THE WORLD O4 PO BOX 836 SIMI CA 93065 522-0062 Free Flight Hall Fame awards announced National Free Flight Society has announced its Hall Fame awards 1980 Recipients Louis Garami Ben Shereshaw Henry Cole James Cahill Wallace Simmers individuals have ways contri buted Free Flight model aviation Garami deceased innovative prolific designer especially small models Shereshaw developed famous Bantam engine designer esthetically-pleasing aircraft Cole created rubber-power model designs performed ex ceptionally well Cahill perhaps best known Clodhopper 1938 Wakefield winner Simmers designer still-popular Handlaunch Glider Rubber-power model designs also manufacturer kits supplies Model aviation Exploratorium worlds largest model airplane person-powered channel-crossing Gossamer Albatross display San Franciscos unique learning ex perience Exploratorium period six weeks during May June big news Bud Romaks microfilm Indoor competition models display along Exploratorium Director Dr Frank Oppen heimer thought would present interesting companson shoestring-budgeted Exploratorium gives youngsters opportunity science think theyre just playing learn being taught Crazy idea works Perhaps comic relief also funny little Ornithopter model display modesty prevents mentioning name builder Campbells coming Tra-La Shirley Lee Campbell have formed newest company enter free flight kit market Campbells Custom Kits PO Box 5996 Lake Worth FL 33461 First kit Out door Thermal Piglet proven winner during past six years development kit features full 4 x 18-in wing hair over 3/16 thick made mediumdensity B-grain balsa finished final outline airfoil section about 90% along path completion Other partsC-grain stabi lizer rudder finger notch reinforcement 21in spruce fuselageare shaped final outline Also included kit miscellaneous OHIO SUrcAR MODEL PRODUCTS INC 5630 Cherokee urive canton Ut-I 4412U parts including swinging-weight dethermalizer Typically no liquids included kit Instructions adequate anyone has built HLG before might well frustratingly inadequate beginner take opportunity make standard semi-annual pitch John Kaufmanns fine book Flying Hand-Launched Gliders William Morrow Co New York 1974 book required reading anyone interested phase Free Flight regardless level proficiency local hobby shop has no legitimate excuse carrying paperback version avail able through AMA paltry $175 Meanwhile back Campbell Kit Works. inasmuch both kit its manufacturer new unlikely local Hobbie Shoppie will have stockbut asking doesnt cost event can get kit mail $498 plus $2 shipping per order Additional kits offered soon will Tiny Piglet smaller version Thermal Piglet young arms Chuck Weiss Merlin US record-holder Canadian Nationals-winning outdoor HLG Flappers such point doesnt seem fair continue deprive readers Meusers Folly #239 concede reluctantly variation Fowler flap fact foulest variation flap ever conceived Airliners require mechanisms operate continuous-variation orwhirr-rr-rr mode stuck things like Fowler flaps Free Flight models can tolerate mechanisms operate step-function ka-thunk mode Refer sketch During climb flaps reefed present wing small area symmetrical airfoil section engine cuts ka-thunk flaps unfurl suddenly model has double wing area high-lift undercambered section boot competitive advantages obvious work out mere mechanical details scheme achieve degree success please let know might bother mention name receive NFFS Model Year award concept Bob Meuser 4200 Gregory St Oakland CA 94619 FF Indoor/Tenny Continued page 52 right hand get model left hand Pick model up grasping prop shaft next hook Hook motor prop shaft check see shaft properly seated thrust bearing Grasp motor prop hook firmly align models fuselage motor Position model motor same length will model check torque reading Unhook motor torquemeter hook model very October 1980 121 NEW ZLIN Z5OL AEROBATIC QUARTER SCALE MODEL ENGINE 90 WINGSPAN 80 CONSTRUCTION Foam Wing a Fuselage Tail WING AREA 1122 sq FLYING WEIGHT lOto 11 lbs Fiberglas Cowl 3/16 Aluminium Landing Gear fLLOAS dt Pt SEND $1 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA 181 PAWNEE STREET SAN MARCOS CALIFORNIA 9 RUBBER STRIP FAI RUBBER 4 out S flyoff 1979 World Championships used FAI RUBBER Made USA SIZES % 3/16 1/8 3/32 1/16 1mm 042 thick SPOOLED GROSS WT 1-% 1-Y LBS PRICE $1250 first spool PPD US Additional spools $1250 NEW PIRELLI SIZES 6mm 5mm 4mm X 1mm PRICE $1500 first hank PPD US Additional spools $1450 Sole US Distributor World-Wide Sales Send 25 cents 1980 Catalog FAXModel Supply ox 3957 Torrance CA 90510 carefully check knots might rub fuselage make sure motor correctly aligned prop hook Make last check models prop shaft thrust bearing sure everything hooked up OK look sure arent under someones model launch Keep good records Immediately after launch record turns launch torque model/prop combination date anything else will help decide turns use next flight first flight next contest Now wait model land unwind count remaining turns motor Record number turns left along other data flight very turns left after flight got ceiling no unusual problems motor can probably shortened somewhat Remember go pick up trophy did yourself dont have share glory ace winding mechanic other hand flight bombed fault Winding stooges Indoor Scale fliers have developed fixtures hold models during winding makes much easier load models flight often saves model besides Another photo shows biplane GRUMMAN WIDGEON MR Gs PRODUCTS 1100 Michigan I3ox 161 Marvsvillc Nil 4804 rather complete fixture portable table table comfortable height stand-up wind ing has adjustable plate rear allow other models held has support front fuselage Another photos shows fixture removable wire pin goes through hollow rear motor peg small aluminum tubing makes light strong rear peg frontofthis fixture has splatter board catch broken motor winding tube available also Very few Indoor Scale modelers will trust luck breaking motors winding tube very common Note winding tube has slot rear peg motor entirely enclosed during winding motor breaks will entirely contained splatter plate front absorbs blows loose end motor model will rarely damaged Hand-held winding Some Scale modelers pre fer have model held shown another photo Note winding complete helper has moved winding tube out fuselage pushed over long winder extension wire must used winding tube flier must grasp motor unhook winder attach prop held left hand will take model seat thrust block front model launch using winding tube instant shown photo time danger skilled steady helper makes big difference safety model extra trouble well worth Bud Tenny PO Box 545 Richardson TX 75080 Northrop Alpha/Wilson Continued page 60 new all-air route New York City Los Angeles cutting former airplane train combination schedule 48 hours 36 hours routine still included overnight stop Kansas City introduction Alpha aircraft April 20 1931 coast-to-coast mail time reduced 24 hours July 20 1931 air ways lighting system completed permitted night flying West-bound flights made 21 hours 40 minutes east bound Alpha flights taking off Los Angeles stops Winslow Albuquerque Amarillo Wichita Kansas City St Louis Terre Haute Indianapolis Columbus Pittsburgh Harrisburg Philadelphia finalizing New York lessened 19 hours 19 minutes Transcontinental Western Airs fleet Alphas grown 13 aircraft TWA learning fast real money-maker US Mail contracts cargo hauling especially Alpha During 1932 TWA would fly Alphas Wichita further modifica tions Ste arman factory Stearman employees installed Grimes landing lights underside wings cockpit outfitted additional navigational aids including Western Electrics two-way radio long- short-range receivers passenger seating removed cargo area increased provide 1250 lbs gross weight allowance Roaring skyward Out Wichita revamped cargo hauling Stearman-Northrop Alpha windows blocked out except side fuselage underwent yet another redesignation now dataplate carried Alpha Model 4A TWA would promote 4As toward further all-weather around-the-clock refinements first commercial installation Goodrich de icer boots Wings empennage leading edges prevent ice buildup Alpha launched new part aviation history wrote big first page TWAs financial ledgers Alpha era certainly represented romantic colorful yet dangerous phases aviation Piloting Alphas night mail flights separated men boys passenger flights waited out weather improve ments daring air mail pilots would take off adverse weather conditions Alpha 4As contract air mail routes air lines lifeblood TWA carried mail mail carried TWA intrepid Alpha solo pilots would generally fly visual sight ground landmarks cities city lights airway beacons guiding way employing railroad destination guide pilot would always fly right-hand side tracks because incidents two aircraft enroute opposite directions yet both flying same side tracks having head-on collision Flying under clouds overcast preferable getting above solid overcast sky always presented possibility finding hole let down through arriving next airport Also reliable time too much static 1 22 Model Aviation CAIJDRON Among efficient p Golden Age racers Caudron won 1936 Grove & Thompson trophies well races Europe FE DECALS TO ALLOW FINISHING MODEL AS ANY ONE OF FIVE DIFFERENT AIRCRAFT THREE TYPES OF LANDING GEAR INCLUDING WHEEL PANT VERSIONS DETAILED INTERIOR SERIES OF GOLDEN AGE RACING AIRCRAFT 1132 SCALE PLASI MODEL KIT Ultimate Flying Boat The
Edition: Model Aviation - 1980/10
Page Numbers: 52, 121, 122
INDOOR Bud Tenny RUBBER winding techniques Over years methods use wind rubber motors have changed early years distinct advantage have old-timer like Bill Tyler Carl Goldberg help wind up especially turned crank guys developed feel motors acute instinct turns motor would take before broke flew often enough could almost predict just turns would take make flight winner Hold tight pro winding motor up anchor motor cover up broken motor would caught hands instead smashing model basic strategy cup left thumb forefinger around prop touching grasp prop hook motor hold tightly possible right hand cupped over fingers left hand model allowed roll back out way double thrust bearing used prop unhooked rear guide Now motor broke didnt flinch cupped hand would catch motor pieces save model can remember flew 62 Nats got Tom Finch wind simply said Hold started cranking little Indoor experience really didnt know what expect did get hint would rough held tightly could Before Tom finished cramp arm took hours go away got model off OK really worried awhile Juniors very much same situation found myself permissible have someone hold model crank turns photos shows Bradley Fulmer Mishawaka IN just after finished winding model case Brads father preparing transfer motor winder models rear hook Newer better mid-1960s John Triolo reported winding off model method anchor motor metal hook imbedded comfortable wood handle did eliminate terrible strain thumb fingers safer model Before long Indoor becoming popular people flying Indoor models needed some substitute uncanny Tyler skill Gradually torquemeters have became popular means measure both rubber motors stress capacity guide much power launch Careful records tied model/prop combo motor size weather conditions allowed willing keep suitable flight records approach Indoor flying system atically use torquemeters major factor has helped improve Indoor stand ards performance much past few years addition safer winding has helped models last longer Wind torquenseter torquemeter anchored safely motor can attached hook torquemeter safely away model Now motor can wound predetermined torque number turns After some winding experience possible use torquemeter reading reach maximum turns breakingmost time first place motor should wound close break ing time maximum turns can installed Since invariably too much torque motor should unwound very slowly until torque drops level needed flight Start winding stretching motor about six eight times its normal length Wind slowly watching torque reading As motor gets close breaking point small increase turns will really make torque jump Stop carefully massage motor working out large knots Move slowly continuing wind keeping torque consistently high level After motor back near its normal length note torque level carefully unwind turns until torque drops proper level Wait moment see torque fairly stable level want fly Unhook motor winder Continued page 121 52 Model Aviation Bradley Fulmer Mishawaka IN holds winder dad transfers rubber planes tail hook 1979 Nats photo Bud Tenny winding stooge fine Indoor Scale modelsit adjusts dif ferent models supports front fuselage Tenny photo Vise-Grip pliers lock stooge bench features wide aperture rear large models uses winding tube splatter plate catch flying rubber broken motor Tenny photo moment truth Fully-wound motor extracted winding tube inserted 1911 Cessna Note tube has pushed back overwinderextension wire Next Hook up prop Photo byTenny IF YOU KNOW MODELER WHO WOULD LIKE TO BUILD FASTER TER NGER AND NEATER DO HIM BIG FAVOR LET HIM TRY SOME OF YOUR HOT STUFFTM AFTER ALL ISNT THAT WHAT MODELING IS ALL ABOUT SHARING GOOD THING GAP FILLING EUE LINEEFILLETING POSITIONABLE HIGH VISCOSITY TIMED BOND 10 25 sec Use like regular glue wait HOT STUFFM ORIGINAL CLEAR FORMULA low viscositydeep penetration NSTANT BOND RATE 3 10 sec started EXCLUSIVE VISIBLE FORMULA low viscositydeep penetration INSTANT BOND RATE 3 10 sec THE HIGH PERFORMANCE ADHESIVES IN HOBBY SHOPS AROUND THE WORLD O4 PO BOX 836 SIMI CA 93065 522-0062 Free Flight Hall Fame awards announced National Free Flight Society has announced its Hall Fame awards 1980 Recipients Louis Garami Ben Shereshaw Henry Cole James Cahill Wallace Simmers individuals have ways contri buted Free Flight model aviation Garami deceased innovative prolific designer especially small models Shereshaw developed famous Bantam engine designer esthetically-pleasing aircraft Cole created rubber-power model designs performed ex ceptionally well Cahill perhaps best known Clodhopper 1938 Wakefield winner Simmers designer still-popular Handlaunch Glider Rubber-power model designs also manufacturer kits supplies Model aviation Exploratorium worlds largest model airplane person-powered channel-crossing Gossamer Albatross display San Franciscos unique learning ex perience Exploratorium period six weeks during May June big news Bud Romaks microfilm Indoor competition models display along Exploratorium Director Dr Frank Oppen heimer thought would present interesting companson shoestring-budgeted Exploratorium gives youngsters opportunity science think theyre just playing learn being taught Crazy idea works Perhaps comic relief also funny little Ornithopter model display modesty prevents mentioning name builder Campbells coming Tra-La Shirley Lee Campbell have formed newest company enter free flight kit market Campbells Custom Kits PO Box 5996 Lake Worth FL 33461 First kit Out door Thermal Piglet proven winner during past six years development kit features full 4 x 18-in wing hair over 3/16 thick made mediumdensity B-grain balsa finished final outline airfoil section about 90% along path completion Other partsC-grain stabi lizer rudder finger notch reinforcement 21in spruce fuselageare shaped final outline Also included kit miscellaneous OHIO SUrcAR MODEL PRODUCTS INC 5630 Cherokee urive canton Ut-I 4412U parts including swinging-weight dethermalizer Typically no liquids included kit Instructions adequate anyone has built HLG before might well frustratingly inadequate beginner take opportunity make standard semi-annual pitch John Kaufmanns fine book Flying Hand-Launched Gliders William Morrow Co New York 1974 book required reading anyone interested phase Free Flight regardless level proficiency local hobby shop has no legitimate excuse carrying paperback version avail able through AMA paltry $175 Meanwhile back Campbell Kit Works. inasmuch both kit its manufacturer new unlikely local Hobbie Shoppie will have stockbut asking doesnt cost event can get kit mail $498 plus $2 shipping per order Additional kits offered soon will Tiny Piglet smaller version Thermal Piglet young arms Chuck Weiss Merlin US record-holder Canadian Nationals-winning outdoor HLG Flappers such point doesnt seem fair continue deprive readers Meusers Folly #239 concede reluctantly variation Fowler flap fact foulest variation flap ever conceived Airliners require mechanisms operate continuous-variation orwhirr-rr-rr mode stuck things like Fowler flaps Free Flight models can tolerate mechanisms operate step-function ka-thunk mode Refer sketch During climb flaps reefed present wing small area symmetrical airfoil section engine cuts ka-thunk flaps unfurl suddenly model has double wing area high-lift undercambered section boot competitive advantages obvious work out mere mechanical details scheme achieve degree success please let know might bother mention name receive NFFS Model Year award concept Bob Meuser 4200 Gregory St Oakland CA 94619 FF Indoor/Tenny Continued page 52 right hand get model left hand Pick model up grasping prop shaft next hook Hook motor prop shaft check see shaft properly seated thrust bearing Grasp motor prop hook firmly align models fuselage motor Position model motor same length will model check torque reading Unhook motor torquemeter hook model very October 1980 121 NEW ZLIN Z5OL AEROBATIC QUARTER SCALE MODEL ENGINE 90 WINGSPAN 80 CONSTRUCTION Foam Wing a Fuselage Tail WING AREA 1122 sq FLYING WEIGHT lOto 11 lbs Fiberglas Cowl 3/16 Aluminium Landing Gear fLLOAS dt Pt SEND $1 FOR COMPLETE ILLUSTRATED CATALOG DEPT MA 181 PAWNEE STREET SAN MARCOS CALIFORNIA 9 RUBBER STRIP FAI RUBBER 4 out S flyoff 1979 World Championships used FAI RUBBER Made USA SIZES % 3/16 1/8 3/32 1/16 1mm 042 thick SPOOLED GROSS WT 1-% 1-Y LBS PRICE $1250 first spool PPD US Additional spools $1250 NEW PIRELLI SIZES 6mm 5mm 4mm X 1mm PRICE $1500 first hank PPD US Additional spools $1450 Sole US Distributor World-Wide Sales Send 25 cents 1980 Catalog FAXModel Supply ox 3957 Torrance CA 90510 carefully check knots might rub fuselage make sure motor correctly aligned prop hook Make last check models prop shaft thrust bearing sure everything hooked up OK look sure arent under someones model launch Keep good records Immediately after launch record turns launch torque model/prop combination date anything else will help decide turns use next flight first flight next contest Now wait model land unwind count remaining turns motor Record number turns left along other data flight very turns left after flight got ceiling no unusual problems motor can probably shortened somewhat Remember go pick up trophy did yourself dont have share glory ace winding mechanic other hand flight bombed fault Winding stooges Indoor Scale fliers have developed fixtures hold models during winding makes much easier load models flight often saves model besides Another photo shows biplane GRUMMAN WIDGEON MR Gs PRODUCTS 1100 Michigan I3ox 161 Marvsvillc Nil 4804 rather complete fixture portable table table comfortable height stand-up wind ing has adjustable plate rear allow other models held has support front fuselage Another photos shows fixture removable wire pin goes through hollow rear motor peg small aluminum tubing makes light strong rear peg frontofthis fixture has splatter board catch broken motor winding tube available also Very few Indoor Scale modelers will trust luck breaking motors winding tube very common Note winding tube has slot rear peg motor entirely enclosed during winding motor breaks will entirely contained splatter plate front absorbs blows loose end motor model will rarely damaged Hand-held winding Some Scale modelers pre fer have model held shown another photo Note winding complete helper has moved winding tube out fuselage pushed over long winder extension wire must used winding tube flier must grasp motor unhook winder attach prop held left hand will take model seat thrust block front model launch using winding tube instant shown photo time danger skilled steady helper makes big difference safety model extra trouble well worth Bud Tenny PO Box 545 Richardson TX 75080 Northrop Alpha/Wilson Continued page 60 new all-air route New York City Los Angeles cutting former airplane train combination schedule 48 hours 36 hours routine still included overnight stop Kansas City introduction Alpha aircraft April 20 1931 coast-to-coast mail time reduced 24 hours July 20 1931 air ways lighting system completed permitted night flying West-bound flights made 21 hours 40 minutes east bound Alpha flights taking off Los Angeles stops Winslow Albuquerque Amarillo Wichita Kansas City St Louis Terre Haute Indianapolis Columbus Pittsburgh Harrisburg Philadelphia finalizing New York lessened 19 hours 19 minutes Transcontinental Western Airs fleet Alphas grown 13 aircraft TWA learning fast real money-maker US Mail contracts cargo hauling especially Alpha During 1932 TWA would fly Alphas Wichita further modifica tions Ste arman factory Stearman employees installed Grimes landing lights underside wings cockpit outfitted additional navigational aids including Western Electrics two-way radio long- short-range receivers passenger seating removed cargo area increased provide 1250 lbs gross weight allowance Roaring skyward Out Wichita revamped cargo hauling Stearman-Northrop Alpha windows blocked out except side fuselage underwent yet another redesignation now dataplate carried Alpha Model 4A TWA would promote 4As toward further all-weather around-the-clock refinements first commercial installation Goodrich de icer boots Wings empennage leading edges prevent ice buildup Alpha launched new part aviation history wrote big first page TWAs financial ledgers Alpha era certainly represented romantic colorful yet dangerous phases aviation Piloting Alphas night mail flights separated men boys passenger flights waited out weather improve ments daring air mail pilots would take off adverse weather conditions Alpha 4As contract air mail routes air lines lifeblood TWA carried mail mail carried TWA intrepid Alpha solo pilots would generally fly visual sight ground landmarks cities city lights airway beacons guiding way employing railroad destination guide pilot would always fly right-hand side tracks because incidents two aircraft enroute opposite directions yet both flying same side tracks having head-on collision Flying under clouds overcast preferable getting above solid overcast sky always presented possibility finding hole let down through arriving next airport Also reliable time too much static 1 22 Model Aviation CAIJDRON Among efficient p Golden Age racers Caudron won 1936 Grove & Thompson trophies well races Europe FE DECALS TO ALLOW FINISHING MODEL AS ANY ONE OF FIVE DIFFERENT AIRCRAFT THREE TYPES OF LANDING GEAR INCLUDING WHEEL PANT VERSIONS DETAILED INTERIOR SERIES OF GOLDEN AGE RACING AIRCRAFT 1132 SCALE PLASI MODEL KIT Ultimate Flying Boat The