Radio Control Soaring Dan Pruss IF THE NAME Harley Michaelis rings bell brings back memory two some first-generation Sailpianers its right should Back late Sixties Sailplane kits manufactured States wish dream reality wanted stick what becoming state art rely some imported kits Europe wasnt bad consider price quality kits few individuals worked up own designs some originals caught became popular weekend afternoon con test circuit well original designs Miskeet Harley Michaelis Plans appeared July issue Flying Models back 1969 three-channel ship could stand today flight circle because its modern lines would think designed past July Well nearly 17 years later Harley has done again latest design will soon feature construction article Model Aviation has something everyone new project called Atrix Hprley has no qualms says Stewart Blanchards Calypso 6 model featured column back August 1985 MA influenced Atrix design three-piece wing similar Blan chardsbut unique attach points photo describes well although model utilizes latest high-tech transmitters order take ad vantage mixing functions designed masses F3B -INSTALLATION HINTS I ADJUST HEX NLJTh FOR PAIN FRICTION 8 PLAY 2 LLSRICATE JOINTS WITH SPRAY SILICONE ETC 3 SET LIP AND PLAN UNKAGE SPOILERS ARE N PLACE 3-5FROU EP OF________________ CARE TLWVG BALSA CAP SAND TO MATCH AIRFc GOLD-N-ROD TYPE LOCATENEAR TOP SlJR UUPUR POILERU o R/C DESIGN & DEVELOPMENT Theres information about all-metal spoilers column Theyre USA-made circuit Adjustment maximum throw flap trim provides airfoil modifica Harley Michaells new Atrix uses three-piece wing detail photo Below L shows cou p lea aileron linksge center panel outer panel R Aileron actuated Swingee instead hornmakes really clean wing Also visible pane -alignment p ins blade-type joiner little black pad piece foam rubber length teflon tubing glued p act pushrod guide spring-load end-connection interface Harley dials full flaps Belowhe really gets em Huge deflection increases drag enough doesnt need spoilers 48 Model Aviation tions Stick control can give large amounts Up flaps rapid sink con trolthereby eliminating spoilersor Down flaps slow-speed landings Common building materials ly used one-piece flat-centersection wing eliminates ply braces joiner tubes wing rods flat center section makes flap installa tion much simpler procedure would section wing dihedral detachable wing tips supported springlike blades secured set screws Fuselage construction simple ply wood box planked shaping All-up weight about 60 ounces isnt bad ship much fer spanning 110 inches center section spans 44 inches tips 33 inches Center chord tips 10 six inches respectively model should whet building appetite Look plans upcoming issue Hand-Launch fans Back December column offered mild chal lenge see first throw bonafide Hand-Launch Sailplane register some creditable flights Now looks though might have added challenge what smallest Hand-Launch ever accomplish Ted Off Ventura CA will give something shoot Ted claims back mid-Sixties digital pro portional coming scene stuck pulse proportional using gear based Adams Actuator times old Might Midget motor relatively inexpensive units way fly proportional model picture looks though could get misplaced tool boxes Its span 30 inches helps generate about 120 square inches All-up weight seven ounces Oh yes Ted claims flights over 15 minutes Any challengers Please include pictures New Product R/C Design Development comes set allmetal spoilers manufactured USA anodized aluminum 15 inches length extended position can open 105 inches above wing closed measure mere 06 inches drawing shows typical installa tion truly quality item parts aluminum retracted extended fit moving parts indicates preci sion workmanship may ordered direct R/C Design Develop ment 821 Stubbs Provo UT 84601 Cost $1695 per pair plus $1 shipping handling LSF election results new officers PresidentRobert Skip Schow Jr Vien na VA LSF/l 66 Vice-President Woody Blanchard Hampton VA LSF/ 2855 SecretaryPeter Waplinger Dallas town PA LSF/5379 Treasurer Charles Wells Greenbelt MD LSF/ 3544 Over 85 years modeling experi ence shared group 46 years dedicated RC Soaring behalf nearly 5700 proudly wear LSF patch congratula tions may wish well least Continued page 130 e*4e 0ec t ~0 00&0 49 %e$~ o0 0 MONIUM FAIR GROUNDS TIMONIUM MARYLAND #o*s cP N TIMONIUM RD jcoN IMOREw -j E s TAKE TIMONIUPA RD EAST EXIT 16 OFF OF INTERSTATE 83 EO D STATE FAIRGROUNDS DAN YARCHIN PO BOX 651 Owings Mills MD 21117 301-356-3170 FOR INFORMATION CONTACT MARC DIRECTORS JOHN KIRK 912 Cromwell Bridge Rd. Towson MD 21204 301-825-8138 SPONSORED BY THE RADIO CONTROL MODELERS OF BALTIMORE April 1986 49 Ted Ofts Ventura CA 1969 30-in seven-ounce hand-launched bird first andlor smallest US SAILPLANE LAUNCH EQUIPMENT FOR EVERY S PORT WINCH source QUIET FLIGHT supplies hi-starts accessories electric motors & reducers batteries chutes braided nylon line tow line drums more. VISA MASTERCARD DAVEY 1Pm lE CoRPoRATmN ONE WOOD LANEMALVERNPA19355 215644-6772 SEND SASE FOR INFO Engines/Wilson Continued page 127 tion maintain constant down pressure piston Plastigage mashed out too wide clearance too close thicker shim combination shims shouldbe used Plastigage mashed out wide enough clearance too great thinner shim no shim should used clear ance correct clean off Plastigage piston head reassemble head engine gasket used backplate put place mount backplate engine Tighten screws previously described Rotate crankshaft sure crankpin and/or connecting rod rubbing backplate binding detected tighten propeller crankshaft hold ward doesnt cure problem remove frontplate Using wood block protect crankshaft tap back crankshaft center hammer sure crankshaft rear bearing fully seated forwardmost position Reassemble engine try again crankshaft bearings fully seated should no contact backplate fully-assembled engine turns feels free except case new ABC engine may bind top stroke screw fresh glow plug reassemble carburetor engine 0-ring hold down carburetor against 0-ring tight ening screws nut hold place overhauling procedures have finished engine can broken using same procedures new information article applies generally two-cycle front-intake RC engines conventional constructions Other types engines require somewhat different procedures have better way tasks please write let know Walt Wilson 3000 Persimmon Dr St Charles MO 63301 Addresses companies products mentioned GatorRC Products 3713 Pompano Dr Pensacola FL 32504 K&B Manufacturing 12152 Woodruff Ave Downey CA 90241 Marvel Oil Company Inc Port Ches ter NY 10573 Sealed Power Corp Plastigage 100 Terrace Plaza Muskegon MI 49443 RC Soaring/Pruss Continued page 49 next two years may also thank outgoing officers served two terms four years Warren Plohr LSF/334 Presi dent Larry Jolly LSF/3579 Vice-Presi dent Ken Bates LSF/604 Secretary Cal Sobczynski LSF/2487 Treasurer During 1985 seven gents names added Level V list bringing total up 46 Earle Latimer LSF/31 19 Lansing MI Terry Edmonds LSF/463 Iowa City IA Dale Harber LSF/1880 Yoder IN Charron Smith LSF/4093 Grand MI Richard Ransom LSF/4747 lonia MI Thomas Dickey LSF/3816 Gaithersburg MD Robert Schow LSF/166 Vienna VA Congratulations As column closing out word received Larry Jolly representing USA won first place South Africa flying first International F3H Cross-Country event ever held Larry flying original design Comet Details later article Larry himself Until next month good lift Dan Pruss 131 E Pennington Ln Plainfield IL 60544 RC Electrics/Kopski Continued page 51 lengths nichrome Because nichrome has relatively stable resistance temperature variation copper other conductive wire could used task temperature coefficient copper -many metals around plus % minus 5o per 100 C Thus value shunresistance would vary quite noticeably ambient internal temperature thereby rendering such metals useless purposes later wire used readily available modelers foam-cutting wire RC Modeler PO Box 487 Sierra Madre CA 91024 Cost $225 five-foot length postpaid As received wire measured little over three ohms sug gest confirm yours just sure information given di rectly applicable Ill try give sufficient detail just case can ac commodate somewhat different resist ances few words now before get how-to nittygritty Youll recall discussion last month about ohmmeter function multimeter measure resistance five-foot length nichrome wire set meter selector switch lowest resistance range short test leads together carefully zero ohms adjustment knob until meter pointer rests 0 ohms scale Its often good practice tape meter face gently fingertip sure needle has reached its true resting position connect test leads end nichrome wire Make sure leads make tight contactboth zeroing operation connection What should get 3 33 ohms 130 Model Aviation POW OM RETRIEVER HOBBY HAMMER $Q~ APPROXLENGTH7/Extra Tip INCLUDES$125 ONE STEEL AND ONE BRASS TIP Send check Money Order M &WMODELS PO Box 6627 Huntington Beach CA 92615 Add 150 Post & Hand Rae add 6% tax
Edition: Model Aviation - 1986/04
Page Numbers: 48, 49, 130
Radio Control Soaring Dan Pruss IF THE NAME Harley Michaelis rings bell brings back memory two some first-generation Sailpianers its right should Back late Sixties Sailplane kits manufactured States wish dream reality wanted stick what becoming state art rely some imported kits Europe wasnt bad consider price quality kits few individuals worked up own designs some originals caught became popular weekend afternoon con test circuit well original designs Miskeet Harley Michaelis Plans appeared July issue Flying Models back 1969 three-channel ship could stand today flight circle because its modern lines would think designed past July Well nearly 17 years later Harley has done again latest design will soon feature construction article Model Aviation has something everyone new project called Atrix Hprley has no qualms says Stewart Blanchards Calypso 6 model featured column back August 1985 MA influenced Atrix design three-piece wing similar Blan chardsbut unique attach points photo describes well although model utilizes latest high-tech transmitters order take ad vantage mixing functions designed masses F3B -INSTALLATION HINTS I ADJUST HEX NLJTh FOR PAIN FRICTION 8 PLAY 2 LLSRICATE JOINTS WITH SPRAY SILICONE ETC 3 SET LIP AND PLAN UNKAGE SPOILERS ARE N PLACE 3-5FROU EP OF________________ CARE TLWVG BALSA CAP SAND TO MATCH AIRFc GOLD-N-ROD TYPE LOCATENEAR TOP SlJR UUPUR POILERU o R/C DESIGN & DEVELOPMENT Theres information about all-metal spoilers column Theyre USA-made circuit Adjustment maximum throw flap trim provides airfoil modifica Harley Michaells new Atrix uses three-piece wing detail photo Below L shows cou p lea aileron linksge center panel outer panel R Aileron actuated Swingee instead hornmakes really clean wing Also visible pane -alignment p ins blade-type joiner little black pad piece foam rubber length teflon tubing glued p act pushrod guide spring-load end-connection interface Harley dials full flaps Belowhe really gets em Huge deflection increases drag enough doesnt need spoilers 48 Model Aviation tions Stick control can give large amounts Up flaps rapid sink con trolthereby eliminating spoilersor Down flaps slow-speed landings Common building materials ly used one-piece flat-centersection wing eliminates ply braces joiner tubes wing rods flat center section makes flap installa tion much simpler procedure would section wing dihedral detachable wing tips supported springlike blades secured set screws Fuselage construction simple ply wood box planked shaping All-up weight about 60 ounces isnt bad ship much fer spanning 110 inches center section spans 44 inches tips 33 inches Center chord tips 10 six inches respectively model should whet building appetite Look plans upcoming issue Hand-Launch fans Back December column offered mild chal lenge see first throw bonafide Hand-Launch Sailplane register some creditable flights Now looks though might have added challenge what smallest Hand-Launch ever accomplish Ted Off Ventura CA will give something shoot Ted claims back mid-Sixties digital pro portional coming scene stuck pulse proportional using gear based Adams Actuator times old Might Midget motor relatively inexpensive units way fly proportional model picture looks though could get misplaced tool boxes Its span 30 inches helps generate about 120 square inches All-up weight seven ounces Oh yes Ted claims flights over 15 minutes Any challengers Please include pictures New Product R/C Design Development comes set allmetal spoilers manufactured USA anodized aluminum 15 inches length extended position can open 105 inches above wing closed measure mere 06 inches drawing shows typical installa tion truly quality item parts aluminum retracted extended fit moving parts indicates preci sion workmanship may ordered direct R/C Design Develop ment 821 Stubbs Provo UT 84601 Cost $1695 per pair plus $1 shipping handling LSF election results new officers PresidentRobert Skip Schow Jr Vien na VA LSF/l 66 Vice-President Woody Blanchard Hampton VA LSF/ 2855 SecretaryPeter Waplinger Dallas town PA LSF/5379 Treasurer Charles Wells Greenbelt MD LSF/ 3544 Over 85 years modeling experi ence shared group 46 years dedicated RC Soaring behalf nearly 5700 proudly wear LSF patch congratula tions may wish well least Continued page 130 e*4e 0ec t ~0 00&0 49 %e$~ o0 0 MONIUM FAIR GROUNDS TIMONIUM MARYLAND #o*s cP N TIMONIUM RD jcoN IMOREw -j E s TAKE TIMONIUPA RD EAST EXIT 16 OFF OF INTERSTATE 83 EO D STATE FAIRGROUNDS DAN YARCHIN PO BOX 651 Owings Mills MD 21117 301-356-3170 FOR INFORMATION CONTACT MARC DIRECTORS JOHN KIRK 912 Cromwell Bridge Rd. Towson MD 21204 301-825-8138 SPONSORED BY THE RADIO CONTROL MODELERS OF BALTIMORE April 1986 49 Ted Ofts Ventura CA 1969 30-in seven-ounce hand-launched bird first andlor smallest US SAILPLANE LAUNCH EQUIPMENT FOR EVERY S PORT WINCH source QUIET FLIGHT supplies hi-starts accessories electric motors & reducers batteries chutes braided nylon line tow line drums more. VISA MASTERCARD DAVEY 1Pm lE CoRPoRATmN ONE WOOD LANEMALVERNPA19355 215644-6772 SEND SASE FOR INFO Engines/Wilson Continued page 127 tion maintain constant down pressure piston Plastigage mashed out too wide clearance too close thicker shim combination shims shouldbe used Plastigage mashed out wide enough clearance too great thinner shim no shim should used clear ance correct clean off Plastigage piston head reassemble head engine gasket used backplate put place mount backplate engine Tighten screws previously described Rotate crankshaft sure crankpin and/or connecting rod rubbing backplate binding detected tighten propeller crankshaft hold ward doesnt cure problem remove frontplate Using wood block protect crankshaft tap back crankshaft center hammer sure crankshaft rear bearing fully seated forwardmost position Reassemble engine try again crankshaft bearings fully seated should no contact backplate fully-assembled engine turns feels free except case new ABC engine may bind top stroke screw fresh glow plug reassemble carburetor engine 0-ring hold down carburetor against 0-ring tight ening screws nut hold place overhauling procedures have finished engine can broken using same procedures new information article applies generally two-cycle front-intake RC engines conventional constructions Other types engines require somewhat different procedures have better way tasks please write let know Walt Wilson 3000 Persimmon Dr St Charles MO 63301 Addresses companies products mentioned GatorRC Products 3713 Pompano Dr Pensacola FL 32504 K&B Manufacturing 12152 Woodruff Ave Downey CA 90241 Marvel Oil Company Inc Port Ches ter NY 10573 Sealed Power Corp Plastigage 100 Terrace Plaza Muskegon MI 49443 RC Soaring/Pruss Continued page 49 next two years may also thank outgoing officers served two terms four years Warren Plohr LSF/334 Presi dent Larry Jolly LSF/3579 Vice-Presi dent Ken Bates LSF/604 Secretary Cal Sobczynski LSF/2487 Treasurer During 1985 seven gents names added Level V list bringing total up 46 Earle Latimer LSF/31 19 Lansing MI Terry Edmonds LSF/463 Iowa City IA Dale Harber LSF/1880 Yoder IN Charron Smith LSF/4093 Grand MI Richard Ransom LSF/4747 lonia MI Thomas Dickey LSF/3816 Gaithersburg MD Robert Schow LSF/166 Vienna VA Congratulations As column closing out word received Larry Jolly representing USA won first place South Africa flying first International F3H Cross-Country event ever held Larry flying original design Comet Details later article Larry himself Until next month good lift Dan Pruss 131 E Pennington Ln Plainfield IL 60544 RC Electrics/Kopski Continued page 51 lengths nichrome Because nichrome has relatively stable resistance temperature variation copper other conductive wire could used task temperature coefficient copper -many metals around plus % minus 5o per 100 C Thus value shunresistance would vary quite noticeably ambient internal temperature thereby rendering such metals useless purposes later wire used readily available modelers foam-cutting wire RC Modeler PO Box 487 Sierra Madre CA 91024 Cost $225 five-foot length postpaid As received wire measured little over three ohms sug gest confirm yours just sure information given di rectly applicable Ill try give sufficient detail just case can ac commodate somewhat different resist ances few words now before get how-to nittygritty Youll recall discussion last month about ohmmeter function multimeter measure resistance five-foot length nichrome wire set meter selector switch lowest resistance range short test leads together carefully zero ohms adjustment knob until meter pointer rests 0 ohms scale Its often good practice tape meter face gently fingertip sure needle has reached its true resting position connect test leads end nichrome wire Make sure leads make tight contactboth zeroing operation connection What should get 3 33 ohms 130 Model Aviation POW OM RETRIEVER HOBBY HAMMER $Q~ APPROXLENGTH7/Extra Tip INCLUDES$125 ONE STEEL AND ONE BRASS TIP Send check Money Order M &WMODELS PO Box 6627 Huntington Beach CA 92615 Add 150 Post & Hand Rae add 6% tax
Edition: Model Aviation - 1986/04
Page Numbers: 48, 49, 130
Radio Control Soaring Dan Pruss IF THE NAME Harley Michaelis rings bell brings back memory two some first-generation Sailpianers its right should Back late Sixties Sailplane kits manufactured States wish dream reality wanted stick what becoming state art rely some imported kits Europe wasnt bad consider price quality kits few individuals worked up own designs some originals caught became popular weekend afternoon con test circuit well original designs Miskeet Harley Michaelis Plans appeared July issue Flying Models back 1969 three-channel ship could stand today flight circle because its modern lines would think designed past July Well nearly 17 years later Harley has done again latest design will soon feature construction article Model Aviation has something everyone new project called Atrix Hprley has no qualms says Stewart Blanchards Calypso 6 model featured column back August 1985 MA influenced Atrix design three-piece wing similar Blan chardsbut unique attach points photo describes well although model utilizes latest high-tech transmitters order take ad vantage mixing functions designed masses F3B -INSTALLATION HINTS I ADJUST HEX NLJTh FOR PAIN FRICTION 8 PLAY 2 LLSRICATE JOINTS WITH SPRAY SILICONE ETC 3 SET LIP AND PLAN UNKAGE SPOILERS ARE N PLACE 3-5FROU EP OF________________ CARE TLWVG BALSA CAP SAND TO MATCH AIRFc GOLD-N-ROD TYPE LOCATENEAR TOP SlJR UUPUR POILERU o R/C DESIGN & DEVELOPMENT Theres information about all-metal spoilers column Theyre USA-made circuit Adjustment maximum throw flap trim provides airfoil modifica Harley Michaells new Atrix uses three-piece wing detail photo Below L shows cou p lea aileron linksge center panel outer panel R Aileron actuated Swingee instead hornmakes really clean wing Also visible pane -alignment p ins blade-type joiner little black pad piece foam rubber length teflon tubing glued p act pushrod guide spring-load end-connection interface Harley dials full flaps Belowhe really gets em Huge deflection increases drag enough doesnt need spoilers 48 Model Aviation tions Stick control can give large amounts Up flaps rapid sink con trolthereby eliminating spoilersor Down flaps slow-speed landings Common building materials ly used one-piece flat-centersection wing eliminates ply braces joiner tubes wing rods flat center section makes flap installa tion much simpler procedure would section wing dihedral detachable wing tips supported springlike blades secured set screws Fuselage construction simple ply wood box planked shaping All-up weight about 60 ounces isnt bad ship much fer spanning 110 inches center section spans 44 inches tips 33 inches Center chord tips 10 six inches respectively model should whet building appetite Look plans upcoming issue Hand-Launch fans Back December column offered mild chal lenge see first throw bonafide Hand-Launch Sailplane register some creditable flights Now looks though might have added challenge what smallest Hand-Launch ever accomplish Ted Off Ventura CA will give something shoot Ted claims back mid-Sixties digital pro portional coming scene stuck pulse proportional using gear based Adams Actuator times old Might Midget motor relatively inexpensive units way fly proportional model picture looks though could get misplaced tool boxes Its span 30 inches helps generate about 120 square inches All-up weight seven ounces Oh yes Ted claims flights over 15 minutes Any challengers Please include pictures New Product R/C Design Development comes set allmetal spoilers manufactured USA anodized aluminum 15 inches length extended position can open 105 inches above wing closed measure mere 06 inches drawing shows typical installa tion truly quality item parts aluminum retracted extended fit moving parts indicates preci sion workmanship may ordered direct R/C Design Develop ment 821 Stubbs Provo UT 84601 Cost $1695 per pair plus $1 shipping handling LSF election results new officers PresidentRobert Skip Schow Jr Vien na VA LSF/l 66 Vice-President Woody Blanchard Hampton VA LSF/ 2855 SecretaryPeter Waplinger Dallas town PA LSF/5379 Treasurer Charles Wells Greenbelt MD LSF/ 3544 Over 85 years modeling experi ence shared group 46 years dedicated RC Soaring behalf nearly 5700 proudly wear LSF patch congratula tions may wish well least Continued page 130 e*4e 0ec t ~0 00&0 49 %e$~ o0 0 MONIUM FAIR GROUNDS TIMONIUM MARYLAND #o*s cP N TIMONIUM RD jcoN IMOREw -j E s TAKE TIMONIUPA RD EAST EXIT 16 OFF OF INTERSTATE 83 EO D STATE FAIRGROUNDS DAN YARCHIN PO BOX 651 Owings Mills MD 21117 301-356-3170 FOR INFORMATION CONTACT MARC DIRECTORS JOHN KIRK 912 Cromwell Bridge Rd. Towson MD 21204 301-825-8138 SPONSORED BY THE RADIO CONTROL MODELERS OF BALTIMORE April 1986 49 Ted Ofts Ventura CA 1969 30-in seven-ounce hand-launched bird first andlor smallest US SAILPLANE LAUNCH EQUIPMENT FOR EVERY S PORT WINCH source QUIET FLIGHT supplies hi-starts accessories electric motors & reducers batteries chutes braided nylon line tow line drums more. VISA MASTERCARD DAVEY 1Pm lE CoRPoRATmN ONE WOOD LANEMALVERNPA19355 215644-6772 SEND SASE FOR INFO Engines/Wilson Continued page 127 tion maintain constant down pressure piston Plastigage mashed out too wide clearance too close thicker shim combination shims shouldbe used Plastigage mashed out wide enough clearance too great thinner shim no shim should used clear ance correct clean off Plastigage piston head reassemble head engine gasket used backplate put place mount backplate engine Tighten screws previously described Rotate crankshaft sure crankpin and/or connecting rod rubbing backplate binding detected tighten propeller crankshaft hold ward doesnt cure problem remove frontplate Using wood block protect crankshaft tap back crankshaft center hammer sure crankshaft rear bearing fully seated forwardmost position Reassemble engine try again crankshaft bearings fully seated should no contact backplate fully-assembled engine turns feels free except case new ABC engine may bind top stroke screw fresh glow plug reassemble carburetor engine 0-ring hold down carburetor against 0-ring tight ening screws nut hold place overhauling procedures have finished engine can broken using same procedures new information article applies generally two-cycle front-intake RC engines conventional constructions Other types engines require somewhat different procedures have better way tasks please write let know Walt Wilson 3000 Persimmon Dr St Charles MO 63301 Addresses companies products mentioned GatorRC Products 3713 Pompano Dr Pensacola FL 32504 K&B Manufacturing 12152 Woodruff Ave Downey CA 90241 Marvel Oil Company Inc Port Ches ter NY 10573 Sealed Power Corp Plastigage 100 Terrace Plaza Muskegon MI 49443 RC Soaring/Pruss Continued page 49 next two years may also thank outgoing officers served two terms four years Warren Plohr LSF/334 Presi dent Larry Jolly LSF/3579 Vice-Presi dent Ken Bates LSF/604 Secretary Cal Sobczynski LSF/2487 Treasurer During 1985 seven gents names added Level V list bringing total up 46 Earle Latimer LSF/31 19 Lansing MI Terry Edmonds LSF/463 Iowa City IA Dale Harber LSF/1880 Yoder IN Charron Smith LSF/4093 Grand MI Richard Ransom LSF/4747 lonia MI Thomas Dickey LSF/3816 Gaithersburg MD Robert Schow LSF/166 Vienna VA Congratulations As column closing out word received Larry Jolly representing USA won first place South Africa flying first International F3H Cross-Country event ever held Larry flying original design Comet Details later article Larry himself Until next month good lift Dan Pruss 131 E Pennington Ln Plainfield IL 60544 RC Electrics/Kopski Continued page 51 lengths nichrome Because nichrome has relatively stable resistance temperature variation copper other conductive wire could used task temperature coefficient copper -many metals around plus % minus 5o per 100 C Thus value shunresistance would vary quite noticeably ambient internal temperature thereby rendering such metals useless purposes later wire used readily available modelers foam-cutting wire RC Modeler PO Box 487 Sierra Madre CA 91024 Cost $225 five-foot length postpaid As received wire measured little over three ohms sug gest confirm yours just sure information given di rectly applicable Ill try give sufficient detail just case can ac commodate somewhat different resist ances few words now before get how-to nittygritty Youll recall discussion last month about ohmmeter function multimeter measure resistance five-foot length nichrome wire set meter selector switch lowest resistance range short test leads together carefully zero ohms adjustment knob until meter pointer rests 0 ohms scale Its often good practice tape meter face gently fingertip sure needle has reached its true resting position connect test leads end nichrome wire Make sure leads make tight contactboth zeroing operation connection What should get 3 33 ohms 130 Model Aviation POW OM RETRIEVER HOBBY HAMMER $Q~ APPROXLENGTH7/Extra Tip INCLUDES$125 ONE STEEL AND ONE BRASS TIP Send check Money Order M &WMODELS PO Box 6627 Huntington Beach CA 92615 Add 150 Post & Hand Rae add 6% tax