Right Record setting engine prop cut Cox speed pan Note outside fill Connections avoid disassembly model fuel EAGLE Together plan record holding model comments fuels props engines author reveals valuable Speed secrets Jim Wade Left Bottom view cowl Note bleeder exhaust opening front air take offset side Bolts run up through pan 18 Model Aviation rA AVf AR ve Eagle 1 holds both Senior 1/2A Proto Speed 1/2A Speed record simultaneously IT WAS IN 1974 two so-called unachievable Speed records reached surpassed 200-mph barrier C jet 100-mph Proto event author has devoted last two years breaking 100-mph barrier Proto pieces finally fit togeth er December 1 1974 Eagle set new Senior Proto record 10148 mph surpassed existing record 9864 mph set same airplane ear lier year Eagle now has dis tinction being thefirst Proto age classification break 100-mph mark officially lefthand propeller held Proto record Senior Speed record 10827 mph didnt seem accelerating fast enough first lap So prop blade area tried hunch paid ofT new prop three mph quicker set record Lefthand props seem accepted standard Proto current Proto records Jr Sr Op set lefthand props time writing article will cover called speed secrets Apparently people agree giving out speed secrets thats waywe got started someone cared enough let us years experience Ive tunate enough have some respected names speed circles Dale Kim Jim Nightingale John New ton Jerry Thomas Jerry Bradshaw help get started con tribute ideas main considerations design Eagle 1 light weight quickest out starting gate wins Proto Speed event takes light airplane under five ounces Eagle weighs 4 oz 2 smooth flying characteristicsanything other straight level flight will slow down 3 durablethe way find out certain variables such props fuel engine changes will effect Proto speed try air means lots test flights 4 simple function althats key being able dupli cate performance something goes wrong should able find prob lem quickly fix fiberglass/epoxy fuselage used instead slightly lighter balsa because its superior strength quick building time extra room available inside fiber glass fuselage now available limited production Write further details tie-down system used hold Cox pan fuselage little different seemed easiest way around several problems tie-down bolts brought straight down either shape fuselage exhaust outlets would have changed Actual test flights have proven angles shapes shown exhaust outlets essential get exhaust out engine/airplane done shown its worth two-three mph ex haust ports engine should facing sides front back keeps exhaust gases recycling back engine through venturi sub-piston induction Also front air intake cut out front cowling should just big enough get air venturi cylinder seems keep cylinder temperature constant kinds weather wing tail balsa lined spruce selection wood important keep weight down weight isnt important strength tail hardest balsa can find should used symmetrical airfoil section used tail incidence set 00 airfoil wing symmetrical 015 positive incidence root tips 00 incidence No wing-tip weight used because lefthand prop/engine combination hinge system used elevator little different consists 045 music wire going through 1/16 OD brass tubes end bushings brass tubes will have drilled out 046 ID #56 drill elevator horn made bend ing 45 wire around another piece 045 wire two-three coils grind away coils until left Elevator horn height important should made exactly shown smooth control response home-made torque unit fabricated because durable lighter weight unit desired H & R torque unit however youre out set records H & R unit will work OK Both control systems shown plansMonoline two-line Monoline system less trouble set up fly. Now tied-lines have outlawed Monoline still has slight speed advan tage bladder type tank used save weight Also outside fill used keep pulling airplane apart refuel can come handy flight line bladder made thin-wall surgical tubing 3/16 OD X 1/8 ID About in lepgth Most medical supply stores carry surgical tubing T inside air plane used outside fill T consists two 3/32 OD brass tubes sol dered together right angles 1/16 hole drilled between two reasons using metal pressure tank metal tank weighs bladder weight important 2 experi May1976 19 Ioe view recoro noiaer anesis JO InC sleek very clean lines detail needed wish go very fast fuselage fiberglass commercially available -in 7IN WIRE PLUG WRAP WITH-3/IA OUP COPPER118 IC WIRESURGICAL T USING 3132 BRASS OUTSIDETUBES FILL TO NEEDLE VALVE BLADDER TANK TIP AIRFOIL ROOT AIRFOIL 015 INCIDENCE AT ROOT 0 INCIDENCE AT TIP CONTROL UNIT L KIRN-ERAFT NEEDLE VALVE II II 010 SCALE WRAP WITH COPPER WIRE AND SOLDER BOTH EN 3/3D BRASS TUBE 3/30 DRILL 050 BRASS 3/IA GAB GRILL -U040 STEEL 086 DRILL SEES LE VA LV F MOUNTING BRACKET 3/IN BALSA 3/3D BALSA I/flAG/3D SPRUCE I3/3D BALSA CRUTCH IWADE FIBERGLASS FUSELAGE ___ TAPER TO I/B FLATTEN ALUM I/B ALUM LEADOUTTUBINSI I/O SCALE FORI/fl ALUM TUBE CONTROL UNIT r'16-008 MUSIC WIRES 0 ILVER SOLDER 045 WIRE ELEVATOR HINGE/HORN A-A I/lB BRASS TUBING DRILLED OUT TO 046 tO II II II II II II II II 0 HARD WO 00 INSERT BB BLOCK A IDESIGNED AND DRAWN BY IJIM WADE menting different weight props its difficult get consistent engine runs metal tank instance use heavier normal prop added weight nose would push nose out caus ing centerline tank relation venturi centerline inside would cause engine run rich flight Switching locations tank within fuselage will affect engine runs dur ing flight tank located inside flight circle centerline richer engine will run flight fur ther outboard centerline leaner will run flight Dale Kim remote needle valve sembly fuel collector ring used everything can enclosed easily inside cowling needle valve mounted steel bracket soldered needle-valve block bolted/glued pan alignment between wing-tailengine correct should come up very stable flying airplane isnt enoughthe fastest off ground 11/2 r 1/4 2 812 JL 130 0 ONE PIECE BRASS COUNTER BALANCE PROPELLER BLANK 3/BXI2 MAPLE TEMPLATE STATIONS PITCH THICKNESS WIDTH LEADING EDGE 1I 4643 43 38 33 271/8 DRLL COfl39D52 064071 086 AO50554535 24375 r Lt HICKNESS 015030040055086075 WIDTH o 40 44 43 36 ISEflAf GLASS FILLED NYLON PROPELLER AIRFOILS AT EACH STATION AIRFOILS FOR TWO BLADE PROPELLER ARE SIMILAR ffiffilffiziJ SINGLE BLADE PROPELLER FOR DESIGNED AND 1/2 PROTO DRAWN BY MODIFICATIONS TO KIRN-KRAFTIJIM WADE PROPELLER FOR V2A PROTO May1976 21 Rear quarter view Eagle 1 showing large wing required 1/2A Proto event 100-mile barrier existed until December 1 Eagle I1974 plane hit speed 10148 mph 6 // SINGLE BLADE PROPELLER PITCH TEMPLATES Eagle 1 flying smooth will still winner So anything can achieve will help hours practice circle pylon covers airplane fabrication part Props Fuel Engine Cox TD 049 engines created equal some equal others few simple modifications some time spent checking some critical areas can turn run-of-the-mill pro duction engine all-out record setting engine A- MODIFICATIONS TO COX TO49 CYLINDER DRAWN BY JIM WADE Venturi In order fit engine inside fiberglass fuselage venturi should turned down 300 OD record flight venturi opened up 160 ID constant engine runs ID should kept around 140-150 ID Left A variety different props needed varying weather conditions Below Eagle 1 engine pan removed Lefthand props seem accepted standard 1/2 Proto since records have set 015 86 B- B 0 BB Crankcase mounting holes lugs punched out factory process sometimes twists lugs slightly So bottom lugs should milled true up isnt done could bind up perfect fitting engine bolted down pan area back cover seats should lapped flat #400 wet dry sand paper insure back cover will seal use mechanical electric start er front case fiber washer will seat should lapped keep galling aluminum Also some straight oil should put front engine before starting make sure theres lubrication first turned over starter plastic carburetor housing should replaced often tends change shape certain fuels weather conditions causing air leaks Crankshaft crankshaft crank pin should lightly polished felt wheel polishing compound wont give rpm gain will extend main bearing life doesnt seem difference rpm between different Cox crank shaftsthe 1973 shaft larger ID hole shaft 194 ID compared 1974 shaft 177 ID engine uses 1973 shaft records have set new shaft Open Speed record set 1974 shaft Crankshaft fit should very free Usually engine starts throwing some oil out front crankshaft fit just about right continued page 92 22 Model Aviation folio wing Article offers constructive ideas AMA clubs individual members might go about getting exposure modeling activities thus helping create better understanding Model viat ion general cooperation local ness media MA HQ constant/v corresponding clubs menibers clubs asking PR assistance club activities important bits advice can give club meniber establish good relationship local government officials news media Seek guys out show what sport/hobby about local exposure club can get helps readily rec ognized within own community MA HQ has variety printed materials explaining functions MA continual/v making effort keep materials up-dated materials can furnished interested clubs upon request meeting local government officials Demo shows static displays etc. materials excellent tell general AMA-model aviation story people lacking general knowledge sport/hobby Following list hand-out materials available AMA HQ limited quantities What AMA general knowledge MA non-profit organization its functions benefits piece Greater Golf 4-page printed piece talking about model aviation general comparing other sports/ho bbt activities Model Airplane 8-page booklet basic types model aircraft written plain laymans terms Get Keep Flying Sites General knowledge flying site problems possible solutions aeromodeling site requirements Nats Site Requirements Exactly what says also have number good films used meetings better tell MA model aviation starr Fol lowing list films recommend Write MA HQ requesting use films ft Flyem Breakem Fixem16-mm color sound 1972 Scale Model flying Rheinbeck 2 Wings Things 16-mm color sound general interest covers types offlringi 31972 RC Aerohatic World Championships. 16-mm color sound construction flying RC HelicoptersSure newspaper editors can hardheaded new fit/I-color brochure model aviation site plannings new films other PR printed materials inget pro-contest publicity Jim Stimson left took developing stage 76 materials being prepared non-modeling general public better in-equipment office editor Steve Haskins form about Model nationexplained him worked us concerned telling public about model aviationour image few us know go about news-media professional lays out valuable advicehints tips Keith Gebers Getting Word Out FOR OVER 70 YEARS model avia tion has growing important hobby Beyond sport recrea tion provides young people whole some challenge has spectator ap peal people know about full scope aviation modeling enough Too people still think model airplanes something pre-teen little sex appeal helps get out word about RC club activities Modeler Sharon Leong shown triplanehas featured several Northern California newspapers agers something middle-aged men try ing re-capture memories youth devious medium provides heads glue sniff Maybe theres reason word getting out modelers can sit around blame news-media being interested violence sex political trigue can growl peer estab lishment recreation world being interested such things mass pastimes like football baseball fishing hunting maybe real reason word getting out because us Maybe spreading word media Could afraid turn down Could too lazy No chances dont know maybe just overlooking good op portunity author has spent over 20 years media radio-television Studio shake-down TV stations have news guests during day news programs termissions afternoon movies Perry Atkinson briefed TV floor manager prior broadcast
Edition: Model Aviation - 1976/05
Page Numbers: 18, 19, 20, 21, 22
Right Record setting engine prop cut Cox speed pan Note outside fill Connections avoid disassembly model fuel EAGLE Together plan record holding model comments fuels props engines author reveals valuable Speed secrets Jim Wade Left Bottom view cowl Note bleeder exhaust opening front air take offset side Bolts run up through pan 18 Model Aviation rA AVf AR ve Eagle 1 holds both Senior 1/2A Proto Speed 1/2A Speed record simultaneously IT WAS IN 1974 two so-called unachievable Speed records reached surpassed 200-mph barrier C jet 100-mph Proto event author has devoted last two years breaking 100-mph barrier Proto pieces finally fit togeth er December 1 1974 Eagle set new Senior Proto record 10148 mph surpassed existing record 9864 mph set same airplane ear lier year Eagle now has dis tinction being thefirst Proto age classification break 100-mph mark officially lefthand propeller held Proto record Senior Speed record 10827 mph didnt seem accelerating fast enough first lap So prop blade area tried hunch paid ofT new prop three mph quicker set record Lefthand props seem accepted standard Proto current Proto records Jr Sr Op set lefthand props time writing article will cover called speed secrets Apparently people agree giving out speed secrets thats waywe got started someone cared enough let us years experience Ive tunate enough have some respected names speed circles Dale Kim Jim Nightingale John New ton Jerry Thomas Jerry Bradshaw help get started con tribute ideas main considerations design Eagle 1 light weight quickest out starting gate wins Proto Speed event takes light airplane under five ounces Eagle weighs 4 oz 2 smooth flying characteristicsanything other straight level flight will slow down 3 durablethe way find out certain variables such props fuel engine changes will effect Proto speed try air means lots test flights 4 simple function althats key being able dupli cate performance something goes wrong should able find prob lem quickly fix fiberglass/epoxy fuselage used instead slightly lighter balsa because its superior strength quick building time extra room available inside fiber glass fuselage now available limited production Write further details tie-down system used hold Cox pan fuselage little different seemed easiest way around several problems tie-down bolts brought straight down either shape fuselage exhaust outlets would have changed Actual test flights have proven angles shapes shown exhaust outlets essential get exhaust out engine/airplane done shown its worth two-three mph ex haust ports engine should facing sides front back keeps exhaust gases recycling back engine through venturi sub-piston induction Also front air intake cut out front cowling should just big enough get air venturi cylinder seems keep cylinder temperature constant kinds weather wing tail balsa lined spruce selection wood important keep weight down weight isnt important strength tail hardest balsa can find should used symmetrical airfoil section used tail incidence set 00 airfoil wing symmetrical 015 positive incidence root tips 00 incidence No wing-tip weight used because lefthand prop/engine combination hinge system used elevator little different consists 045 music wire going through 1/16 OD brass tubes end bushings brass tubes will have drilled out 046 ID #56 drill elevator horn made bend ing 45 wire around another piece 045 wire two-three coils grind away coils until left Elevator horn height important should made exactly shown smooth control response home-made torque unit fabricated because durable lighter weight unit desired H & R torque unit however youre out set records H & R unit will work OK Both control systems shown plansMonoline two-line Monoline system less trouble set up fly. Now tied-lines have outlawed Monoline still has slight speed advan tage bladder type tank used save weight Also outside fill used keep pulling airplane apart refuel can come handy flight line bladder made thin-wall surgical tubing 3/16 OD X 1/8 ID About in lepgth Most medical supply stores carry surgical tubing T inside air plane used outside fill T consists two 3/32 OD brass tubes sol dered together right angles 1/16 hole drilled between two reasons using metal pressure tank metal tank weighs bladder weight important 2 experi May1976 19 Ioe view recoro noiaer anesis JO InC sleek very clean lines detail needed wish go very fast fuselage fiberglass commercially available -in 7IN WIRE PLUG WRAP WITH-3/IA OUP COPPER118 IC WIRESURGICAL T USING 3132 BRASS OUTSIDETUBES FILL TO NEEDLE VALVE BLADDER TANK TIP AIRFOIL ROOT AIRFOIL 015 INCIDENCE AT ROOT 0 INCIDENCE AT TIP CONTROL UNIT L KIRN-ERAFT NEEDLE VALVE II II 010 SCALE WRAP WITH COPPER WIRE AND SOLDER BOTH EN 3/3D BRASS TUBE 3/30 DRILL 050 BRASS 3/IA GAB GRILL -U040 STEEL 086 DRILL SEES LE VA LV F MOUNTING BRACKET 3/IN BALSA 3/3D BALSA I/flAG/3D SPRUCE I3/3D BALSA CRUTCH IWADE FIBERGLASS FUSELAGE ___ TAPER TO I/B FLATTEN ALUM I/B ALUM LEADOUTTUBINSI I/O SCALE FORI/fl ALUM TUBE CONTROL UNIT r'16-008 MUSIC WIRES 0 ILVER SOLDER 045 WIRE ELEVATOR HINGE/HORN A-A I/lB BRASS TUBING DRILLED OUT TO 046 tO II II II II II II II II 0 HARD WO 00 INSERT BB BLOCK A IDESIGNED AND DRAWN BY IJIM WADE menting different weight props its difficult get consistent engine runs metal tank instance use heavier normal prop added weight nose would push nose out caus ing centerline tank relation venturi centerline inside would cause engine run rich flight Switching locations tank within fuselage will affect engine runs dur ing flight tank located inside flight circle centerline richer engine will run flight fur ther outboard centerline leaner will run flight Dale Kim remote needle valve sembly fuel collector ring used everything can enclosed easily inside cowling needle valve mounted steel bracket soldered needle-valve block bolted/glued pan alignment between wing-tailengine correct should come up very stable flying airplane isnt enoughthe fastest off ground 11/2 r 1/4 2 812 JL 130 0 ONE PIECE BRASS COUNTER BALANCE PROPELLER BLANK 3/BXI2 MAPLE TEMPLATE STATIONS PITCH THICKNESS WIDTH LEADING EDGE 1I 4643 43 38 33 271/8 DRLL COfl39D52 064071 086 AO50554535 24375 r Lt HICKNESS 015030040055086075 WIDTH o 40 44 43 36 ISEflAf GLASS FILLED NYLON PROPELLER AIRFOILS AT EACH STATION AIRFOILS FOR TWO BLADE PROPELLER ARE SIMILAR ffiffilffiziJ SINGLE BLADE PROPELLER FOR DESIGNED AND 1/2 PROTO DRAWN BY MODIFICATIONS TO KIRN-KRAFTIJIM WADE PROPELLER FOR V2A PROTO May1976 21 Rear quarter view Eagle 1 showing large wing required 1/2A Proto event 100-mile barrier existed until December 1 Eagle I1974 plane hit speed 10148 mph 6 // SINGLE BLADE PROPELLER PITCH TEMPLATES Eagle 1 flying smooth will still winner So anything can achieve will help hours practice circle pylon covers airplane fabrication part Props Fuel Engine Cox TD 049 engines created equal some equal others few simple modifications some time spent checking some critical areas can turn run-of-the-mill pro duction engine all-out record setting engine A- MODIFICATIONS TO COX TO49 CYLINDER DRAWN BY JIM WADE Venturi In order fit engine inside fiberglass fuselage venturi should turned down 300 OD record flight venturi opened up 160 ID constant engine runs ID should kept around 140-150 ID Left A variety different props needed varying weather conditions Below Eagle 1 engine pan removed Lefthand props seem accepted standard 1/2 Proto since records have set 015 86 B- B 0 BB Crankcase mounting holes lugs punched out factory process sometimes twists lugs slightly So bottom lugs should milled true up isnt done could bind up perfect fitting engine bolted down pan area back cover seats should lapped flat #400 wet dry sand paper insure back cover will seal use mechanical electric start er front case fiber washer will seat should lapped keep galling aluminum Also some straight oil should put front engine before starting make sure theres lubrication first turned over starter plastic carburetor housing should replaced often tends change shape certain fuels weather conditions causing air leaks Crankshaft crankshaft crank pin should lightly polished felt wheel polishing compound wont give rpm gain will extend main bearing life doesnt seem difference rpm between different Cox crank shaftsthe 1973 shaft larger ID hole shaft 194 ID compared 1974 shaft 177 ID engine uses 1973 shaft records have set new shaft Open Speed record set 1974 shaft Crankshaft fit should very free Usually engine starts throwing some oil out front crankshaft fit just about right continued page 92 22 Model Aviation folio wing Article offers constructive ideas AMA clubs individual members might go about getting exposure modeling activities thus helping create better understanding Model viat ion general cooperation local ness media MA HQ constant/v corresponding clubs menibers clubs asking PR assistance club activities important bits advice can give club meniber establish good relationship local government officials news media Seek guys out show what sport/hobby about local exposure club can get helps readily rec ognized within own community MA HQ has variety printed materials explaining functions MA continual/v making effort keep materials up-dated materials can furnished interested clubs upon request meeting local government officials Demo shows static displays etc. materials excellent tell general AMA-model aviation story people lacking general knowledge sport/hobby Following list hand-out materials available AMA HQ limited quantities What AMA general knowledge MA non-profit organization its functions benefits piece Greater Golf 4-page printed piece talking about model aviation general comparing other sports/ho bbt activities Model Airplane 8-page booklet basic types model aircraft written plain laymans terms Get Keep Flying Sites General knowledge flying site problems possible solutions aeromodeling site requirements Nats Site Requirements Exactly what says also have number good films used meetings better tell MA model aviation starr Fol lowing list films recommend Write MA HQ requesting use films ft Flyem Breakem Fixem16-mm color sound 1972 Scale Model flying Rheinbeck 2 Wings Things 16-mm color sound general interest covers types offlringi 31972 RC Aerohatic World Championships. 16-mm color sound construction flying RC HelicoptersSure newspaper editors can hardheaded new fit/I-color brochure model aviation site plannings new films other PR printed materials inget pro-contest publicity Jim Stimson left took developing stage 76 materials being prepared non-modeling general public better in-equipment office editor Steve Haskins form about Model nationexplained him worked us concerned telling public about model aviationour image few us know go about news-media professional lays out valuable advicehints tips Keith Gebers Getting Word Out FOR OVER 70 YEARS model avia tion has growing important hobby Beyond sport recrea tion provides young people whole some challenge has spectator ap peal people know about full scope aviation modeling enough Too people still think model airplanes something pre-teen little sex appeal helps get out word about RC club activities Modeler Sharon Leong shown triplanehas featured several Northern California newspapers agers something middle-aged men try ing re-capture memories youth devious medium provides heads glue sniff Maybe theres reason word getting out modelers can sit around blame news-media being interested violence sex political trigue can growl peer estab lishment recreation world being interested such things mass pastimes like football baseball fishing hunting maybe real reason word getting out because us Maybe spreading word media Could afraid turn down Could too lazy No chances dont know maybe just overlooking good op portunity author has spent over 20 years media radio-television Studio shake-down TV stations have news guests during day news programs termissions afternoon movies Perry Atkinson briefed TV floor manager prior broadcast
Edition: Model Aviation - 1976/05
Page Numbers: 18, 19, 20, 21, 22
Right Record setting engine prop cut Cox speed pan Note outside fill Connections avoid disassembly model fuel EAGLE Together plan record holding model comments fuels props engines author reveals valuable Speed secrets Jim Wade Left Bottom view cowl Note bleeder exhaust opening front air take offset side Bolts run up through pan 18 Model Aviation rA AVf AR ve Eagle 1 holds both Senior 1/2A Proto Speed 1/2A Speed record simultaneously IT WAS IN 1974 two so-called unachievable Speed records reached surpassed 200-mph barrier C jet 100-mph Proto event author has devoted last two years breaking 100-mph barrier Proto pieces finally fit togeth er December 1 1974 Eagle set new Senior Proto record 10148 mph surpassed existing record 9864 mph set same airplane ear lier year Eagle now has dis tinction being thefirst Proto age classification break 100-mph mark officially lefthand propeller held Proto record Senior Speed record 10827 mph didnt seem accelerating fast enough first lap So prop blade area tried hunch paid ofT new prop three mph quicker set record Lefthand props seem accepted standard Proto current Proto records Jr Sr Op set lefthand props time writing article will cover called speed secrets Apparently people agree giving out speed secrets thats waywe got started someone cared enough let us years experience Ive tunate enough have some respected names speed circles Dale Kim Jim Nightingale John New ton Jerry Thomas Jerry Bradshaw help get started con tribute ideas main considerations design Eagle 1 light weight quickest out starting gate wins Proto Speed event takes light airplane under five ounces Eagle weighs 4 oz 2 smooth flying characteristicsanything other straight level flight will slow down 3 durablethe way find out certain variables such props fuel engine changes will effect Proto speed try air means lots test flights 4 simple function althats key being able dupli cate performance something goes wrong should able find prob lem quickly fix fiberglass/epoxy fuselage used instead slightly lighter balsa because its superior strength quick building time extra room available inside fiber glass fuselage now available limited production Write further details tie-down system used hold Cox pan fuselage little different seemed easiest way around several problems tie-down bolts brought straight down either shape fuselage exhaust outlets would have changed Actual test flights have proven angles shapes shown exhaust outlets essential get exhaust out engine/airplane done shown its worth two-three mph ex haust ports engine should facing sides front back keeps exhaust gases recycling back engine through venturi sub-piston induction Also front air intake cut out front cowling should just big enough get air venturi cylinder seems keep cylinder temperature constant kinds weather wing tail balsa lined spruce selection wood important keep weight down weight isnt important strength tail hardest balsa can find should used symmetrical airfoil section used tail incidence set 00 airfoil wing symmetrical 015 positive incidence root tips 00 incidence No wing-tip weight used because lefthand prop/engine combination hinge system used elevator little different consists 045 music wire going through 1/16 OD brass tubes end bushings brass tubes will have drilled out 046 ID #56 drill elevator horn made bend ing 45 wire around another piece 045 wire two-three coils grind away coils until left Elevator horn height important should made exactly shown smooth control response home-made torque unit fabricated because durable lighter weight unit desired H & R torque unit however youre out set records H & R unit will work OK Both control systems shown plansMonoline two-line Monoline system less trouble set up fly. Now tied-lines have outlawed Monoline still has slight speed advan tage bladder type tank used save weight Also outside fill used keep pulling airplane apart refuel can come handy flight line bladder made thin-wall surgical tubing 3/16 OD X 1/8 ID About in lepgth Most medical supply stores carry surgical tubing T inside air plane used outside fill T consists two 3/32 OD brass tubes sol dered together right angles 1/16 hole drilled between two reasons using metal pressure tank metal tank weighs bladder weight important 2 experi May1976 19 Ioe view recoro noiaer anesis JO InC sleek very clean lines detail needed wish go very fast fuselage fiberglass commercially available -in 7IN WIRE PLUG WRAP WITH-3/IA OUP COPPER118 IC WIRESURGICAL T USING 3132 BRASS OUTSIDETUBES FILL TO NEEDLE VALVE BLADDER TANK TIP AIRFOIL ROOT AIRFOIL 015 INCIDENCE AT ROOT 0 INCIDENCE AT TIP CONTROL UNIT L KIRN-ERAFT NEEDLE VALVE II II 010 SCALE WRAP WITH COPPER WIRE AND SOLDER BOTH EN 3/3D BRASS TUBE 3/30 DRILL 050 BRASS 3/IA GAB GRILL -U040 STEEL 086 DRILL SEES LE VA LV F MOUNTING BRACKET 3/IN BALSA 3/3D BALSA I/flAG/3D SPRUCE I3/3D BALSA CRUTCH IWADE FIBERGLASS FUSELAGE ___ TAPER TO I/B FLATTEN ALUM I/B ALUM LEADOUTTUBINSI I/O SCALE FORI/fl ALUM TUBE CONTROL UNIT r'16-008 MUSIC WIRES 0 ILVER SOLDER 045 WIRE ELEVATOR HINGE/HORN A-A I/lB BRASS TUBING DRILLED OUT TO 046 tO II II II II II II II II 0 HARD WO 00 INSERT BB BLOCK A IDESIGNED AND DRAWN BY IJIM WADE menting different weight props its difficult get consistent engine runs metal tank instance use heavier normal prop added weight nose would push nose out caus ing centerline tank relation venturi centerline inside would cause engine run rich flight Switching locations tank within fuselage will affect engine runs dur ing flight tank located inside flight circle centerline richer engine will run flight fur ther outboard centerline leaner will run flight Dale Kim remote needle valve sembly fuel collector ring used everything can enclosed easily inside cowling needle valve mounted steel bracket soldered needle-valve block bolted/glued pan alignment between wing-tailengine correct should come up very stable flying airplane isnt enoughthe fastest off ground 11/2 r 1/4 2 812 JL 130 0 ONE PIECE BRASS COUNTER BALANCE PROPELLER BLANK 3/BXI2 MAPLE TEMPLATE STATIONS PITCH THICKNESS WIDTH LEADING EDGE 1I 4643 43 38 33 271/8 DRLL COfl39D52 064071 086 AO50554535 24375 r Lt HICKNESS 015030040055086075 WIDTH o 40 44 43 36 ISEflAf GLASS FILLED NYLON PROPELLER AIRFOILS AT EACH STATION AIRFOILS FOR TWO BLADE PROPELLER ARE SIMILAR ffiffilffiziJ SINGLE BLADE PROPELLER FOR DESIGNED AND 1/2 PROTO DRAWN BY MODIFICATIONS TO KIRN-KRAFTIJIM WADE PROPELLER FOR V2A PROTO May1976 21 Rear quarter view Eagle 1 showing large wing required 1/2A Proto event 100-mile barrier existed until December 1 Eagle I1974 plane hit speed 10148 mph 6 // SINGLE BLADE PROPELLER PITCH TEMPLATES Eagle 1 flying smooth will still winner So anything can achieve will help hours practice circle pylon covers airplane fabrication part Props Fuel Engine Cox TD 049 engines created equal some equal others few simple modifications some time spent checking some critical areas can turn run-of-the-mill pro duction engine all-out record setting engine A- MODIFICATIONS TO COX TO49 CYLINDER DRAWN BY JIM WADE Venturi In order fit engine inside fiberglass fuselage venturi should turned down 300 OD record flight venturi opened up 160 ID constant engine runs ID should kept around 140-150 ID Left A variety different props needed varying weather conditions Below Eagle 1 engine pan removed Lefthand props seem accepted standard 1/2 Proto since records have set 015 86 B- B 0 BB Crankcase mounting holes lugs punched out factory process sometimes twists lugs slightly So bottom lugs should milled true up isnt done could bind up perfect fitting engine bolted down pan area back cover seats should lapped flat #400 wet dry sand paper insure back cover will seal use mechanical electric start er front case fiber washer will seat should lapped keep galling aluminum Also some straight oil should put front engine before starting make sure theres lubrication first turned over starter plastic carburetor housing should replaced often tends change shape certain fuels weather conditions causing air leaks Crankshaft crankshaft crank pin should lightly polished felt wheel polishing compound wont give rpm gain will extend main bearing life doesnt seem difference rpm between different Cox crank shaftsthe 1973 shaft larger ID hole shaft 194 ID compared 1974 shaft 177 ID engine uses 1973 shaft records have set new shaft Open Speed record set 1974 shaft Crankshaft fit should very free Usually engine starts throwing some oil out front crankshaft fit just about right continued page 92 22 Model Aviation folio wing Article offers constructive ideas AMA clubs individual members might go about getting exposure modeling activities thus helping create better understanding Model viat ion general cooperation local ness media MA HQ constant/v corresponding clubs menibers clubs asking PR assistance club activities important bits advice can give club meniber establish good relationship local government officials news media Seek guys out show what sport/hobby about local exposure club can get helps readily rec ognized within own community MA HQ has variety printed materials explaining functions MA continual/v making effort keep materials up-dated materials can furnished interested clubs upon request meeting local government officials Demo shows static displays etc. materials excellent tell general AMA-model aviation story people lacking general knowledge sport/hobby Following list hand-out materials available AMA HQ limited quantities What AMA general knowledge MA non-profit organization its functions benefits piece Greater Golf 4-page printed piece talking about model aviation general comparing other sports/ho bbt activities Model Airplane 8-page booklet basic types model aircraft written plain laymans terms Get Keep Flying Sites General knowledge flying site problems possible solutions aeromodeling site requirements Nats Site Requirements Exactly what says also have number good films used meetings better tell MA model aviation starr Fol lowing list films recommend Write MA HQ requesting use films ft Flyem Breakem Fixem16-mm color sound 1972 Scale Model flying Rheinbeck 2 Wings Things 16-mm color sound general interest covers types offlringi 31972 RC Aerohatic World Championships. 16-mm color sound construction flying RC HelicoptersSure newspaper editors can hardheaded new fit/I-color brochure model aviation site plannings new films other PR printed materials inget pro-contest publicity Jim Stimson left took developing stage 76 materials being prepared non-modeling general public better in-equipment office editor Steve Haskins form about Model nationexplained him worked us concerned telling public about model aviationour image few us know go about news-media professional lays out valuable advicehints tips Keith Gebers Getting Word Out FOR OVER 70 YEARS model avia tion has growing important hobby Beyond sport recrea tion provides young people whole some challenge has spectator ap peal people know about full scope aviation modeling enough Too people still think model airplanes something pre-teen little sex appeal helps get out word about RC club activities Modeler Sharon Leong shown triplanehas featured several Northern California newspapers agers something middle-aged men try ing re-capture memories youth devious medium provides heads glue sniff Maybe theres reason word getting out modelers can sit around blame news-media being interested violence sex political trigue can growl peer estab lishment recreation world being interested such things mass pastimes like football baseball fishing hunting maybe real reason word getting out because us Maybe spreading word media Could afraid turn down Could too lazy No chances dont know maybe just overlooking good op portunity author has spent over 20 years media radio-television Studio shake-down TV stations have news guests during day news programs termissions afternoon movies Perry Atkinson briefed TV floor manager prior broadcast
Edition: Model Aviation - 1976/05
Page Numbers: 18, 19, 20, 21, 22
Right Record setting engine prop cut Cox speed pan Note outside fill Connections avoid disassembly model fuel EAGLE Together plan record holding model comments fuels props engines author reveals valuable Speed secrets Jim Wade Left Bottom view cowl Note bleeder exhaust opening front air take offset side Bolts run up through pan 18 Model Aviation rA AVf AR ve Eagle 1 holds both Senior 1/2A Proto Speed 1/2A Speed record simultaneously IT WAS IN 1974 two so-called unachievable Speed records reached surpassed 200-mph barrier C jet 100-mph Proto event author has devoted last two years breaking 100-mph barrier Proto pieces finally fit togeth er December 1 1974 Eagle set new Senior Proto record 10148 mph surpassed existing record 9864 mph set same airplane ear lier year Eagle now has dis tinction being thefirst Proto age classification break 100-mph mark officially lefthand propeller held Proto record Senior Speed record 10827 mph didnt seem accelerating fast enough first lap So prop blade area tried hunch paid ofT new prop three mph quicker set record Lefthand props seem accepted standard Proto current Proto records Jr Sr Op set lefthand props time writing article will cover called speed secrets Apparently people agree giving out speed secrets thats waywe got started someone cared enough let us years experience Ive tunate enough have some respected names speed circles Dale Kim Jim Nightingale John New ton Jerry Thomas Jerry Bradshaw help get started con tribute ideas main considerations design Eagle 1 light weight quickest out starting gate wins Proto Speed event takes light airplane under five ounces Eagle weighs 4 oz 2 smooth flying characteristicsanything other straight level flight will slow down 3 durablethe way find out certain variables such props fuel engine changes will effect Proto speed try air means lots test flights 4 simple function althats key being able dupli cate performance something goes wrong should able find prob lem quickly fix fiberglass/epoxy fuselage used instead slightly lighter balsa because its superior strength quick building time extra room available inside fiber glass fuselage now available limited production Write further details tie-down system used hold Cox pan fuselage little different seemed easiest way around several problems tie-down bolts brought straight down either shape fuselage exhaust outlets would have changed Actual test flights have proven angles shapes shown exhaust outlets essential get exhaust out engine/airplane done shown its worth two-three mph ex haust ports engine should facing sides front back keeps exhaust gases recycling back engine through venturi sub-piston induction Also front air intake cut out front cowling should just big enough get air venturi cylinder seems keep cylinder temperature constant kinds weather wing tail balsa lined spruce selection wood important keep weight down weight isnt important strength tail hardest balsa can find should used symmetrical airfoil section used tail incidence set 00 airfoil wing symmetrical 015 positive incidence root tips 00 incidence No wing-tip weight used because lefthand prop/engine combination hinge system used elevator little different consists 045 music wire going through 1/16 OD brass tubes end bushings brass tubes will have drilled out 046 ID #56 drill elevator horn made bend ing 45 wire around another piece 045 wire two-three coils grind away coils until left Elevator horn height important should made exactly shown smooth control response home-made torque unit fabricated because durable lighter weight unit desired H & R torque unit however youre out set records H & R unit will work OK Both control systems shown plansMonoline two-line Monoline system less trouble set up fly. Now tied-lines have outlawed Monoline still has slight speed advan tage bladder type tank used save weight Also outside fill used keep pulling airplane apart refuel can come handy flight line bladder made thin-wall surgical tubing 3/16 OD X 1/8 ID About in lepgth Most medical supply stores carry surgical tubing T inside air plane used outside fill T consists two 3/32 OD brass tubes sol dered together right angles 1/16 hole drilled between two reasons using metal pressure tank metal tank weighs bladder weight important 2 experi May1976 19 Ioe view recoro noiaer anesis JO InC sleek very clean lines detail needed wish go very fast fuselage fiberglass commercially available -in 7IN WIRE PLUG WRAP WITH-3/IA OUP COPPER118 IC WIRESURGICAL T USING 3132 BRASS OUTSIDETUBES FILL TO NEEDLE VALVE BLADDER TANK TIP AIRFOIL ROOT AIRFOIL 015 INCIDENCE AT ROOT 0 INCIDENCE AT TIP CONTROL UNIT L KIRN-ERAFT NEEDLE VALVE II II 010 SCALE WRAP WITH COPPER WIRE AND SOLDER BOTH EN 3/3D BRASS TUBE 3/30 DRILL 050 BRASS 3/IA GAB GRILL -U040 STEEL 086 DRILL SEES LE VA LV F MOUNTING BRACKET 3/IN BALSA 3/3D BALSA I/flAG/3D SPRUCE I3/3D BALSA CRUTCH IWADE FIBERGLASS FUSELAGE ___ TAPER TO I/B FLATTEN ALUM I/B ALUM LEADOUTTUBINSI I/O SCALE FORI/fl ALUM TUBE CONTROL UNIT r'16-008 MUSIC WIRES 0 ILVER SOLDER 045 WIRE ELEVATOR HINGE/HORN A-A I/lB BRASS TUBING DRILLED OUT TO 046 tO II II II II II II II II 0 HARD WO 00 INSERT BB BLOCK A IDESIGNED AND DRAWN BY IJIM WADE menting different weight props its difficult get consistent engine runs metal tank instance use heavier normal prop added weight nose would push nose out caus ing centerline tank relation venturi centerline inside would cause engine run rich flight Switching locations tank within fuselage will affect engine runs dur ing flight tank located inside flight circle centerline richer engine will run flight fur ther outboard centerline leaner will run flight Dale Kim remote needle valve sembly fuel collector ring used everything can enclosed easily inside cowling needle valve mounted steel bracket soldered needle-valve block bolted/glued pan alignment between wing-tailengine correct should come up very stable flying airplane isnt enoughthe fastest off ground 11/2 r 1/4 2 812 JL 130 0 ONE PIECE BRASS COUNTER BALANCE PROPELLER BLANK 3/BXI2 MAPLE TEMPLATE STATIONS PITCH THICKNESS WIDTH LEADING EDGE 1I 4643 43 38 33 271/8 DRLL COfl39D52 064071 086 AO50554535 24375 r Lt HICKNESS 015030040055086075 WIDTH o 40 44 43 36 ISEflAf GLASS FILLED NYLON PROPELLER AIRFOILS AT EACH STATION AIRFOILS FOR TWO BLADE PROPELLER ARE SIMILAR ffiffilffiziJ SINGLE BLADE PROPELLER FOR DESIGNED AND 1/2 PROTO DRAWN BY MODIFICATIONS TO KIRN-KRAFTIJIM WADE PROPELLER FOR V2A PROTO May1976 21 Rear quarter view Eagle 1 showing large wing required 1/2A Proto event 100-mile barrier existed until December 1 Eagle I1974 plane hit speed 10148 mph 6 // SINGLE BLADE PROPELLER PITCH TEMPLATES Eagle 1 flying smooth will still winner So anything can achieve will help hours practice circle pylon covers airplane fabrication part Props Fuel Engine Cox TD 049 engines created equal some equal others few simple modifications some time spent checking some critical areas can turn run-of-the-mill pro duction engine all-out record setting engine A- MODIFICATIONS TO COX TO49 CYLINDER DRAWN BY JIM WADE Venturi In order fit engine inside fiberglass fuselage venturi should turned down 300 OD record flight venturi opened up 160 ID constant engine runs ID should kept around 140-150 ID Left A variety different props needed varying weather conditions Below Eagle 1 engine pan removed Lefthand props seem accepted standard 1/2 Proto since records have set 015 86 B- B 0 BB Crankcase mounting holes lugs punched out factory process sometimes twists lugs slightly So bottom lugs should milled true up isnt done could bind up perfect fitting engine bolted down pan area back cover seats should lapped flat #400 wet dry sand paper insure back cover will seal use mechanical electric start er front case fiber washer will seat should lapped keep galling aluminum Also some straight oil should put front engine before starting make sure theres lubrication first turned over starter plastic carburetor housing should replaced often tends change shape certain fuels weather conditions causing air leaks Crankshaft crankshaft crank pin should lightly polished felt wheel polishing compound wont give rpm gain will extend main bearing life doesnt seem difference rpm between different Cox crank shaftsthe 1973 shaft larger ID hole shaft 194 ID compared 1974 shaft 177 ID engine uses 1973 shaft records have set new shaft Open Speed record set 1974 shaft Crankshaft fit should very free Usually engine starts throwing some oil out front crankshaft fit just about right continued page 92 22 Model Aviation folio wing Article offers constructive ideas AMA clubs individual members might go about getting exposure modeling activities thus helping create better understanding Model viat ion general cooperation local ness media MA HQ constant/v corresponding clubs menibers clubs asking PR assistance club activities important bits advice can give club meniber establish good relationship local government officials news media Seek guys out show what sport/hobby about local exposure club can get helps readily rec ognized within own community MA HQ has variety printed materials explaining functions MA continual/v making effort keep materials up-dated materials can furnished interested clubs upon request meeting local government officials Demo shows static displays etc. materials excellent tell general AMA-model aviation story people lacking general knowledge sport/hobby Following list hand-out materials available AMA HQ limited quantities What AMA general knowledge MA non-profit organization its functions benefits piece Greater Golf 4-page printed piece talking about model aviation general comparing other sports/ho bbt activities Model Airplane 8-page booklet basic types model aircraft written plain laymans terms Get Keep Flying Sites General knowledge flying site problems possible solutions aeromodeling site requirements Nats Site Requirements Exactly what says also have number good films used meetings better tell MA model aviation starr Fol lowing list films recommend Write MA HQ requesting use films ft Flyem Breakem Fixem16-mm color sound 1972 Scale Model flying Rheinbeck 2 Wings Things 16-mm color sound general interest covers types offlringi 31972 RC Aerohatic World Championships. 16-mm color sound construction flying RC HelicoptersSure newspaper editors can hardheaded new fit/I-color brochure model aviation site plannings new films other PR printed materials inget pro-contest publicity Jim Stimson left took developing stage 76 materials being prepared non-modeling general public better in-equipment office editor Steve Haskins form about Model nationexplained him worked us concerned telling public about model aviationour image few us know go about news-media professional lays out valuable advicehints tips Keith Gebers Getting Word Out FOR OVER 70 YEARS model avia tion has growing important hobby Beyond sport recrea tion provides young people whole some challenge has spectator ap peal people know about full scope aviation modeling enough Too people still think model airplanes something pre-teen little sex appeal helps get out word about RC club activities Modeler Sharon Leong shown triplanehas featured several Northern California newspapers agers something middle-aged men try ing re-capture memories youth devious medium provides heads glue sniff Maybe theres reason word getting out modelers can sit around blame news-media being interested violence sex political trigue can growl peer estab lishment recreation world being interested such things mass pastimes like football baseball fishing hunting maybe real reason word getting out because us Maybe spreading word media Could afraid turn down Could too lazy No chances dont know maybe just overlooking good op portunity author has spent over 20 years media radio-television Studio shake-down TV stations have news guests during day news programs termissions afternoon movies Perry Atkinson briefed TV floor manager prior broadcast
Edition: Model Aviation - 1976/05
Page Numbers: 18, 19, 20, 21, 22
Right Record setting engine prop cut Cox speed pan Note outside fill Connections avoid disassembly model fuel EAGLE Together plan record holding model comments fuels props engines author reveals valuable Speed secrets Jim Wade Left Bottom view cowl Note bleeder exhaust opening front air take offset side Bolts run up through pan 18 Model Aviation rA AVf AR ve Eagle 1 holds both Senior 1/2A Proto Speed 1/2A Speed record simultaneously IT WAS IN 1974 two so-called unachievable Speed records reached surpassed 200-mph barrier C jet 100-mph Proto event author has devoted last two years breaking 100-mph barrier Proto pieces finally fit togeth er December 1 1974 Eagle set new Senior Proto record 10148 mph surpassed existing record 9864 mph set same airplane ear lier year Eagle now has dis tinction being thefirst Proto age classification break 100-mph mark officially lefthand propeller held Proto record Senior Speed record 10827 mph didnt seem accelerating fast enough first lap So prop blade area tried hunch paid ofT new prop three mph quicker set record Lefthand props seem accepted standard Proto current Proto records Jr Sr Op set lefthand props time writing article will cover called speed secrets Apparently people agree giving out speed secrets thats waywe got started someone cared enough let us years experience Ive tunate enough have some respected names speed circles Dale Kim Jim Nightingale John New ton Jerry Thomas Jerry Bradshaw help get started con tribute ideas main considerations design Eagle 1 light weight quickest out starting gate wins Proto Speed event takes light airplane under five ounces Eagle weighs 4 oz 2 smooth flying characteristicsanything other straight level flight will slow down 3 durablethe way find out certain variables such props fuel engine changes will effect Proto speed try air means lots test flights 4 simple function althats key being able dupli cate performance something goes wrong should able find prob lem quickly fix fiberglass/epoxy fuselage used instead slightly lighter balsa because its superior strength quick building time extra room available inside fiber glass fuselage now available limited production Write further details tie-down system used hold Cox pan fuselage little different seemed easiest way around several problems tie-down bolts brought straight down either shape fuselage exhaust outlets would have changed Actual test flights have proven angles shapes shown exhaust outlets essential get exhaust out engine/airplane done shown its worth two-three mph ex haust ports engine should facing sides front back keeps exhaust gases recycling back engine through venturi sub-piston induction Also front air intake cut out front cowling should just big enough get air venturi cylinder seems keep cylinder temperature constant kinds weather wing tail balsa lined spruce selection wood important keep weight down weight isnt important strength tail hardest balsa can find should used symmetrical airfoil section used tail incidence set 00 airfoil wing symmetrical 015 positive incidence root tips 00 incidence No wing-tip weight used because lefthand prop/engine combination hinge system used elevator little different consists 045 music wire going through 1/16 OD brass tubes end bushings brass tubes will have drilled out 046 ID #56 drill elevator horn made bend ing 45 wire around another piece 045 wire two-three coils grind away coils until left Elevator horn height important should made exactly shown smooth control response home-made torque unit fabricated because durable lighter weight unit desired H & R torque unit however youre out set records H & R unit will work OK Both control systems shown plansMonoline two-line Monoline system less trouble set up fly. Now tied-lines have outlawed Monoline still has slight speed advan tage bladder type tank used save weight Also outside fill used keep pulling airplane apart refuel can come handy flight line bladder made thin-wall surgical tubing 3/16 OD X 1/8 ID About in lepgth Most medical supply stores carry surgical tubing T inside air plane used outside fill T consists two 3/32 OD brass tubes sol dered together right angles 1/16 hole drilled between two reasons using metal pressure tank metal tank weighs bladder weight important 2 experi May1976 19 Ioe view recoro noiaer anesis JO InC sleek very clean lines detail needed wish go very fast fuselage fiberglass commercially available -in 7IN WIRE PLUG WRAP WITH-3/IA OUP COPPER118 IC WIRESURGICAL T USING 3132 BRASS OUTSIDETUBES FILL TO NEEDLE VALVE BLADDER TANK TIP AIRFOIL ROOT AIRFOIL 015 INCIDENCE AT ROOT 0 INCIDENCE AT TIP CONTROL UNIT L KIRN-ERAFT NEEDLE VALVE II II 010 SCALE WRAP WITH COPPER WIRE AND SOLDER BOTH EN 3/3D BRASS TUBE 3/30 DRILL 050 BRASS 3/IA GAB GRILL -U040 STEEL 086 DRILL SEES LE VA LV F MOUNTING BRACKET 3/IN BALSA 3/3D BALSA I/flAG/3D SPRUCE I3/3D BALSA CRUTCH IWADE FIBERGLASS FUSELAGE ___ TAPER TO I/B FLATTEN ALUM I/B ALUM LEADOUTTUBINSI I/O SCALE FORI/fl ALUM TUBE CONTROL UNIT r'16-008 MUSIC WIRES 0 ILVER SOLDER 045 WIRE ELEVATOR HINGE/HORN A-A I/lB BRASS TUBING DRILLED OUT TO 046 tO II II II II II II II II 0 HARD WO 00 INSERT BB BLOCK A IDESIGNED AND DRAWN BY IJIM WADE menting different weight props its difficult get consistent engine runs metal tank instance use heavier normal prop added weight nose would push nose out caus ing centerline tank relation venturi centerline inside would cause engine run rich flight Switching locations tank within fuselage will affect engine runs dur ing flight tank located inside flight circle centerline richer engine will run flight fur ther outboard centerline leaner will run flight Dale Kim remote needle valve sembly fuel collector ring used everything can enclosed easily inside cowling needle valve mounted steel bracket soldered needle-valve block bolted/glued pan alignment between wing-tailengine correct should come up very stable flying airplane isnt enoughthe fastest off ground 11/2 r 1/4 2 812 JL 130 0 ONE PIECE BRASS COUNTER BALANCE PROPELLER BLANK 3/BXI2 MAPLE TEMPLATE STATIONS PITCH THICKNESS WIDTH LEADING EDGE 1I 4643 43 38 33 271/8 DRLL COfl39D52 064071 086 AO50554535 24375 r Lt HICKNESS 015030040055086075 WIDTH o 40 44 43 36 ISEflAf GLASS FILLED NYLON PROPELLER AIRFOILS AT EACH STATION AIRFOILS FOR TWO BLADE PROPELLER ARE SIMILAR ffiffilffiziJ SINGLE BLADE PROPELLER FOR DESIGNED AND 1/2 PROTO DRAWN BY MODIFICATIONS TO KIRN-KRAFTIJIM WADE PROPELLER FOR V2A PROTO May1976 21 Rear quarter view Eagle 1 showing large wing required 1/2A Proto event 100-mile barrier existed until December 1 Eagle I1974 plane hit speed 10148 mph 6 // SINGLE BLADE PROPELLER PITCH TEMPLATES Eagle 1 flying smooth will still winner So anything can achieve will help hours practice circle pylon covers airplane fabrication part Props Fuel Engine Cox TD 049 engines created equal some equal others few simple modifications some time spent checking some critical areas can turn run-of-the-mill pro duction engine all-out record setting engine A- MODIFICATIONS TO COX TO49 CYLINDER DRAWN BY JIM WADE Venturi In order fit engine inside fiberglass fuselage venturi should turned down 300 OD record flight venturi opened up 160 ID constant engine runs ID should kept around 140-150 ID Left A variety different props needed varying weather conditions Below Eagle 1 engine pan removed Lefthand props seem accepted standard 1/2 Proto since records have set 015 86 B- B 0 BB Crankcase mounting holes lugs punched out factory process sometimes twists lugs slightly So bottom lugs should milled true up isnt done could bind up perfect fitting engine bolted down pan area back cover seats should lapped flat #400 wet dry sand paper insure back cover will seal use mechanical electric start er front case fiber washer will seat should lapped keep galling aluminum Also some straight oil should put front engine before starting make sure theres lubrication first turned over starter plastic carburetor housing should replaced often tends change shape certain fuels weather conditions causing air leaks Crankshaft crankshaft crank pin should lightly polished felt wheel polishing compound wont give rpm gain will extend main bearing life doesnt seem difference rpm between different Cox crank shaftsthe 1973 shaft larger ID hole shaft 194 ID compared 1974 shaft 177 ID engine uses 1973 shaft records have set new shaft Open Speed record set 1974 shaft Crankshaft fit should very free Usually engine starts throwing some oil out front crankshaft fit just about right continued page 92 22 Model Aviation folio wing Article offers constructive ideas AMA clubs individual members might go about getting exposure modeling activities thus helping create better understanding Model viat ion general cooperation local ness media MA HQ constant/v corresponding clubs menibers clubs asking PR assistance club activities important bits advice can give club meniber establish good relationship local government officials news media Seek guys out show what sport/hobby about local exposure club can get helps readily rec ognized within own community MA HQ has variety printed materials explaining functions MA continual/v making effort keep materials up-dated materials can furnished interested clubs upon request meeting local government officials Demo shows static displays etc. materials excellent tell general AMA-model aviation story people lacking general knowledge sport/hobby Following list hand-out materials available AMA HQ limited quantities What AMA general knowledge MA non-profit organization its functions benefits piece Greater Golf 4-page printed piece talking about model aviation general comparing other sports/ho bbt activities Model Airplane 8-page booklet basic types model aircraft written plain laymans terms Get Keep Flying Sites General knowledge flying site problems possible solutions aeromodeling site requirements Nats Site Requirements Exactly what says also have number good films used meetings better tell MA model aviation starr Fol lowing list films recommend Write MA HQ requesting use films ft Flyem Breakem Fixem16-mm color sound 1972 Scale Model flying Rheinbeck 2 Wings Things 16-mm color sound general interest covers types offlringi 31972 RC Aerohatic World Championships. 16-mm color sound construction flying RC HelicoptersSure newspaper editors can hardheaded new fit/I-color brochure model aviation site plannings new films other PR printed materials inget pro-contest publicity Jim Stimson left took developing stage 76 materials being prepared non-modeling general public better in-equipment office editor Steve Haskins form about Model nationexplained him worked us concerned telling public about model aviationour image few us know go about news-media professional lays out valuable advicehints tips Keith Gebers Getting Word Out FOR OVER 70 YEARS model avia tion has growing important hobby Beyond sport recrea tion provides young people whole some challenge has spectator ap peal people know about full scope aviation modeling enough Too people still think model airplanes something pre-teen little sex appeal helps get out word about RC club activities Modeler Sharon Leong shown triplanehas featured several Northern California newspapers agers something middle-aged men try ing re-capture memories youth devious medium provides heads glue sniff Maybe theres reason word getting out modelers can sit around blame news-media being interested violence sex political trigue can growl peer estab lishment recreation world being interested such things mass pastimes like football baseball fishing hunting maybe real reason word getting out because us Maybe spreading word media Could afraid turn down Could too lazy No chances dont know maybe just overlooking good op portunity author has spent over 20 years media radio-television Studio shake-down TV stations have news guests during day news programs termissions afternoon movies Perry Atkinson briefed TV floor manager prior broadcast