The Scepter derived Bob Hunts Genesis 46 Mark III Eagle/Matrix versions Lou Dudka Glen Meador Nose-to-tail-moment ratio chosen 1165 10 inches leading edge wing back prop 165 inches flap hingeline elevator hingeline Total wing area approximately 675 square inches including flap surface area stab elevator 235% total wing/flap area 160 square inches original Scepter came off building board 57 ounces trimmed fly 595 ounces first flights began June 1995 progressed very well until first practice flight Pasco Washington AMA Nats up line broke handle during third corner reverse wingover Ever-tightening outside loops culminated rather soft inverted crash six-inch-high grass 58 Model Aviation U Allen Brickhaus / / / Photos author Charles Reeves Graphic Design Carla Kunz author L takes tachometer reading engine rpm Jerry Norm holds model prior launch Jerry Norm releases Scepter flight Barkley Field Paducah KY August1998 59 Type CL Precision Aerobatics Wingspan 597/s inches Engine PA 40 two-stroke Flying Weight 595 ounces Construction Built-up Covering/finish Heat-shrink film X-O RustTM crash seemed relatively minor until watched stab flex picked model up day-and-a-half spent attempting fix stab cooler voices experienced ones told lay model aside concentrate backup version long ride home after Nats kept mind busy thinking about would repair Scepter bring back life fix stab quick-butefficient repair model back air August 2 1995 Nineteen flights later outer wing popped off during practice flight stress crack occurred during Pasco crash unnoticed during subsequent repair process finished season backup airplane vowed get correct repair Scepter second time took some time heart soul look Scepter again objective manner slow process rebuilding airplane took place during winter 1995-96 Rebuilding probably took much time original construction feel worth Serious flying rerrimming began June 1996 led several wins Midwest Stunt circuit placing 17th 1996 AMA Nats CONSTRUCTION basic construction very similar Savoy December 1996 Model Aviation Savoy article outlines vast majority building techniques parallel model Wing If prefer built-up wing foam core examples can simply used method develop aluminum plywood templates construction ribbed version forward foam spar shown plans should location wooden spars built-up wing Refer back MA plan #193 Stiletto Les McDonald very simple way construct built-up wing am firm believer using Sullivan C-D braided lines leadout material long bushed properly brass copper tubing should passed through flame until tubing red hot Allow tubing cool slowly room temperature will soft enough bend shown plans hard enough serve well long-lasting bearing control system tubing goes over braided lines should tight fit hole drilled bellcrank same exact size tubing outside dimension Passing needed drill through hole several times will give smooth movement tubing/belicrank fit rudder shown hinged brass shim stock stiff enough allow adjust offset hold angle prefer little stability rudder offset can put small nylon horn rudder shown plans connect fuselage pivot point also drawn plans Landing Gear plans show original Scepter dural gear attached bottom fuselage first gear drawings consisted two pieces 3/ x /2 engine mount stock glued behind F-2 against fuselage doublers mount material drilled tapped 440 bolts blind mounting nuts gear bolted bottom mounts completes box consisting fuselage sides top blocka very stable way attach gear preferred wire gear wing ordered version spar landing gear clips blocks installed Scott Smith Aerosmith Scott provides quality product am providing address telephone number end article Engine/Pipe current engine choice Randy Smith/Nelson Precision Aerobatics 40 Smith/Werwage carbon-fiber tuned pipe Although PA 51 61 now available 40 will job well enough multitude Stunt fliers PA 40 supplied 181 venturi filtered Bru-Line green filter 181 venturi has same characteristics 300 restrictor style venturi airplane can also powered fine-running muffled 51-60 engine muffled engine chosen cut August1998 61 Bearers undercut between farmers allow use plastic metal tanks Typical guide slot adjustable leadouts Sullivan C-D braided pipe hole F-2 completely close off bottom /8 thicker cross grained balsa sure listen builder particular power unit follow advice given to break run fly engine/airplane combination forget air exhaust hole bottom cowling Pipe length set around 1675 inches measured center glow plug front first baffle four-chamber pipe has three chambers plus resonator section Finding front first baffle easy Place long wooden dowel music wire front opening pipe measuring device stops location baffle Randy Smith recommended wrapping some thin brightly colored thread location outside pipe gluing thread pipe CyA cyanoacrylate glue locator thread easily allows field change often needed length pipe Ground rpm release 10500 10900 Line length 65 feet measured center handle center model should give 525- 535-second level-lap time Engine Mount Note bearers undercut between F-i F-2 allows use plastic metal tanks process trimming Scepter undercut bearer combined extra aluminum 1A bolted glued bottom engine side mount will have 3/ shimming distance engine run equally during inside outside maneuvers have also run 60s airplanes type style engine mount still flying today heat up humidity climbs prop Bolly 11 x 33/4 measured #10 slot Prather pitch gauge still much learn fine hobby Precision Aerobatics PAMPA Precision Aerobatics Model Pilots Association Bibliography has collected ease search helpful information highly encourage join PAMPA reap rewards hard work done past Send request application PAMPA 156 Flying Cloud Isle Foster City CA 94404 n Brickhaus Box 206 Golconda IL 62938 Sources Randy Smith Aero Products 1880 Scenic Highway Snellville GA 30278 Scott Smith Aerosmith Model Aviation RD#l Box 290 Athens NY 12015 Byron Barker CF Slattery 407 Mount Tabor Road New Albany IN 47150-2206 Doug Taffinder Carolina-Taffinder 83455 Delhi Road North Charleston SC 29418 Mike Pratt Sig Manufacturing 401-7 South Front St Montezuma IA 50171 Finish finish Scepter same Savoy Heat-shrink film flying surfaces glass cloth/epoxy nose thinned epoxy balance wood surfaces Colors Rust OleumiM X-O RustTM have varied formula several years am pleased process can develop finely finished model less stink other methods have some comments modelers have attempted use Rust OleumTM X-O RustTM primer over previously doped underbase have complained above-mentioned paints cure quickly Test combination /8 x 3 x 3 squares balsa before committing final finish Fuel/Prop have now begun use 10% nitro fuel 23% oil oil content 50% castor 50% Klotz synthetic add three four ounces castor gallon fuel weather begins 62 Model Aviation ter original configuration top block rudder taped place Model weighed 595 ounces trimmed flight Built-up wing option
Edition: Model Aviation - 1998/08
Page Numbers: 58, 59, 61, 62
The Scepter derived Bob Hunts Genesis 46 Mark III Eagle/Matrix versions Lou Dudka Glen Meador Nose-to-tail-moment ratio chosen 1165 10 inches leading edge wing back prop 165 inches flap hingeline elevator hingeline Total wing area approximately 675 square inches including flap surface area stab elevator 235% total wing/flap area 160 square inches original Scepter came off building board 57 ounces trimmed fly 595 ounces first flights began June 1995 progressed very well until first practice flight Pasco Washington AMA Nats up line broke handle during third corner reverse wingover Ever-tightening outside loops culminated rather soft inverted crash six-inch-high grass 58 Model Aviation U Allen Brickhaus / / / Photos author Charles Reeves Graphic Design Carla Kunz author L takes tachometer reading engine rpm Jerry Norm holds model prior launch Jerry Norm releases Scepter flight Barkley Field Paducah KY August1998 59 Type CL Precision Aerobatics Wingspan 597/s inches Engine PA 40 two-stroke Flying Weight 595 ounces Construction Built-up Covering/finish Heat-shrink film X-O RustTM crash seemed relatively minor until watched stab flex picked model up day-and-a-half spent attempting fix stab cooler voices experienced ones told lay model aside concentrate backup version long ride home after Nats kept mind busy thinking about would repair Scepter bring back life fix stab quick-butefficient repair model back air August 2 1995 Nineteen flights later outer wing popped off during practice flight stress crack occurred during Pasco crash unnoticed during subsequent repair process finished season backup airplane vowed get correct repair Scepter second time took some time heart soul look Scepter again objective manner slow process rebuilding airplane took place during winter 1995-96 Rebuilding probably took much time original construction feel worth Serious flying rerrimming began June 1996 led several wins Midwest Stunt circuit placing 17th 1996 AMA Nats CONSTRUCTION basic construction very similar Savoy December 1996 Model Aviation Savoy article outlines vast majority building techniques parallel model Wing If prefer built-up wing foam core examples can simply used method develop aluminum plywood templates construction ribbed version forward foam spar shown plans should location wooden spars built-up wing Refer back MA plan #193 Stiletto Les McDonald very simple way construct built-up wing am firm believer using Sullivan C-D braided lines leadout material long bushed properly brass copper tubing should passed through flame until tubing red hot Allow tubing cool slowly room temperature will soft enough bend shown plans hard enough serve well long-lasting bearing control system tubing goes over braided lines should tight fit hole drilled bellcrank same exact size tubing outside dimension Passing needed drill through hole several times will give smooth movement tubing/belicrank fit rudder shown hinged brass shim stock stiff enough allow adjust offset hold angle prefer little stability rudder offset can put small nylon horn rudder shown plans connect fuselage pivot point also drawn plans Landing Gear plans show original Scepter dural gear attached bottom fuselage first gear drawings consisted two pieces 3/ x /2 engine mount stock glued behind F-2 against fuselage doublers mount material drilled tapped 440 bolts blind mounting nuts gear bolted bottom mounts completes box consisting fuselage sides top blocka very stable way attach gear preferred wire gear wing ordered version spar landing gear clips blocks installed Scott Smith Aerosmith Scott provides quality product am providing address telephone number end article Engine/Pipe current engine choice Randy Smith/Nelson Precision Aerobatics 40 Smith/Werwage carbon-fiber tuned pipe Although PA 51 61 now available 40 will job well enough multitude Stunt fliers PA 40 supplied 181 venturi filtered Bru-Line green filter 181 venturi has same characteristics 300 restrictor style venturi airplane can also powered fine-running muffled 51-60 engine muffled engine chosen cut August1998 61 Bearers undercut between farmers allow use plastic metal tanks Typical guide slot adjustable leadouts Sullivan C-D braided pipe hole F-2 completely close off bottom /8 thicker cross grained balsa sure listen builder particular power unit follow advice given to break run fly engine/airplane combination forget air exhaust hole bottom cowling Pipe length set around 1675 inches measured center glow plug front first baffle four-chamber pipe has three chambers plus resonator section Finding front first baffle easy Place long wooden dowel music wire front opening pipe measuring device stops location baffle Randy Smith recommended wrapping some thin brightly colored thread location outside pipe gluing thread pipe CyA cyanoacrylate glue locator thread easily allows field change often needed length pipe Ground rpm release 10500 10900 Line length 65 feet measured center handle center model should give 525- 535-second level-lap time Engine Mount Note bearers undercut between F-i F-2 allows use plastic metal tanks process trimming Scepter undercut bearer combined extra aluminum 1A bolted glued bottom engine side mount will have 3/ shimming distance engine run equally during inside outside maneuvers have also run 60s airplanes type style engine mount still flying today heat up humidity climbs prop Bolly 11 x 33/4 measured #10 slot Prather pitch gauge still much learn fine hobby Precision Aerobatics PAMPA Precision Aerobatics Model Pilots Association Bibliography has collected ease search helpful information highly encourage join PAMPA reap rewards hard work done past Send request application PAMPA 156 Flying Cloud Isle Foster City CA 94404 n Brickhaus Box 206 Golconda IL 62938 Sources Randy Smith Aero Products 1880 Scenic Highway Snellville GA 30278 Scott Smith Aerosmith Model Aviation RD#l Box 290 Athens NY 12015 Byron Barker CF Slattery 407 Mount Tabor Road New Albany IN 47150-2206 Doug Taffinder Carolina-Taffinder 83455 Delhi Road North Charleston SC 29418 Mike Pratt Sig Manufacturing 401-7 South Front St Montezuma IA 50171 Finish finish Scepter same Savoy Heat-shrink film flying surfaces glass cloth/epoxy nose thinned epoxy balance wood surfaces Colors Rust OleumiM X-O RustTM have varied formula several years am pleased process can develop finely finished model less stink other methods have some comments modelers have attempted use Rust OleumTM X-O RustTM primer over previously doped underbase have complained above-mentioned paints cure quickly Test combination /8 x 3 x 3 squares balsa before committing final finish Fuel/Prop have now begun use 10% nitro fuel 23% oil oil content 50% castor 50% Klotz synthetic add three four ounces castor gallon fuel weather begins 62 Model Aviation ter original configuration top block rudder taped place Model weighed 595 ounces trimmed flight Built-up wing option
Edition: Model Aviation - 1998/08
Page Numbers: 58, 59, 61, 62
The Scepter derived Bob Hunts Genesis 46 Mark III Eagle/Matrix versions Lou Dudka Glen Meador Nose-to-tail-moment ratio chosen 1165 10 inches leading edge wing back prop 165 inches flap hingeline elevator hingeline Total wing area approximately 675 square inches including flap surface area stab elevator 235% total wing/flap area 160 square inches original Scepter came off building board 57 ounces trimmed fly 595 ounces first flights began June 1995 progressed very well until first practice flight Pasco Washington AMA Nats up line broke handle during third corner reverse wingover Ever-tightening outside loops culminated rather soft inverted crash six-inch-high grass 58 Model Aviation U Allen Brickhaus / / / Photos author Charles Reeves Graphic Design Carla Kunz author L takes tachometer reading engine rpm Jerry Norm holds model prior launch Jerry Norm releases Scepter flight Barkley Field Paducah KY August1998 59 Type CL Precision Aerobatics Wingspan 597/s inches Engine PA 40 two-stroke Flying Weight 595 ounces Construction Built-up Covering/finish Heat-shrink film X-O RustTM crash seemed relatively minor until watched stab flex picked model up day-and-a-half spent attempting fix stab cooler voices experienced ones told lay model aside concentrate backup version long ride home after Nats kept mind busy thinking about would repair Scepter bring back life fix stab quick-butefficient repair model back air August 2 1995 Nineteen flights later outer wing popped off during practice flight stress crack occurred during Pasco crash unnoticed during subsequent repair process finished season backup airplane vowed get correct repair Scepter second time took some time heart soul look Scepter again objective manner slow process rebuilding airplane took place during winter 1995-96 Rebuilding probably took much time original construction feel worth Serious flying rerrimming began June 1996 led several wins Midwest Stunt circuit placing 17th 1996 AMA Nats CONSTRUCTION basic construction very similar Savoy December 1996 Model Aviation Savoy article outlines vast majority building techniques parallel model Wing If prefer built-up wing foam core examples can simply used method develop aluminum plywood templates construction ribbed version forward foam spar shown plans should location wooden spars built-up wing Refer back MA plan #193 Stiletto Les McDonald very simple way construct built-up wing am firm believer using Sullivan C-D braided lines leadout material long bushed properly brass copper tubing should passed through flame until tubing red hot Allow tubing cool slowly room temperature will soft enough bend shown plans hard enough serve well long-lasting bearing control system tubing goes over braided lines should tight fit hole drilled bellcrank same exact size tubing outside dimension Passing needed drill through hole several times will give smooth movement tubing/belicrank fit rudder shown hinged brass shim stock stiff enough allow adjust offset hold angle prefer little stability rudder offset can put small nylon horn rudder shown plans connect fuselage pivot point also drawn plans Landing Gear plans show original Scepter dural gear attached bottom fuselage first gear drawings consisted two pieces 3/ x /2 engine mount stock glued behind F-2 against fuselage doublers mount material drilled tapped 440 bolts blind mounting nuts gear bolted bottom mounts completes box consisting fuselage sides top blocka very stable way attach gear preferred wire gear wing ordered version spar landing gear clips blocks installed Scott Smith Aerosmith Scott provides quality product am providing address telephone number end article Engine/Pipe current engine choice Randy Smith/Nelson Precision Aerobatics 40 Smith/Werwage carbon-fiber tuned pipe Although PA 51 61 now available 40 will job well enough multitude Stunt fliers PA 40 supplied 181 venturi filtered Bru-Line green filter 181 venturi has same characteristics 300 restrictor style venturi airplane can also powered fine-running muffled 51-60 engine muffled engine chosen cut August1998 61 Bearers undercut between farmers allow use plastic metal tanks Typical guide slot adjustable leadouts Sullivan C-D braided pipe hole F-2 completely close off bottom /8 thicker cross grained balsa sure listen builder particular power unit follow advice given to break run fly engine/airplane combination forget air exhaust hole bottom cowling Pipe length set around 1675 inches measured center glow plug front first baffle four-chamber pipe has three chambers plus resonator section Finding front first baffle easy Place long wooden dowel music wire front opening pipe measuring device stops location baffle Randy Smith recommended wrapping some thin brightly colored thread location outside pipe gluing thread pipe CyA cyanoacrylate glue locator thread easily allows field change often needed length pipe Ground rpm release 10500 10900 Line length 65 feet measured center handle center model should give 525- 535-second level-lap time Engine Mount Note bearers undercut between F-i F-2 allows use plastic metal tanks process trimming Scepter undercut bearer combined extra aluminum 1A bolted glued bottom engine side mount will have 3/ shimming distance engine run equally during inside outside maneuvers have also run 60s airplanes type style engine mount still flying today heat up humidity climbs prop Bolly 11 x 33/4 measured #10 slot Prather pitch gauge still much learn fine hobby Precision Aerobatics PAMPA Precision Aerobatics Model Pilots Association Bibliography has collected ease search helpful information highly encourage join PAMPA reap rewards hard work done past Send request application PAMPA 156 Flying Cloud Isle Foster City CA 94404 n Brickhaus Box 206 Golconda IL 62938 Sources Randy Smith Aero Products 1880 Scenic Highway Snellville GA 30278 Scott Smith Aerosmith Model Aviation RD#l Box 290 Athens NY 12015 Byron Barker CF Slattery 407 Mount Tabor Road New Albany IN 47150-2206 Doug Taffinder Carolina-Taffinder 83455 Delhi Road North Charleston SC 29418 Mike Pratt Sig Manufacturing 401-7 South Front St Montezuma IA 50171 Finish finish Scepter same Savoy Heat-shrink film flying surfaces glass cloth/epoxy nose thinned epoxy balance wood surfaces Colors Rust OleumiM X-O RustTM have varied formula several years am pleased process can develop finely finished model less stink other methods have some comments modelers have attempted use Rust OleumTM X-O RustTM primer over previously doped underbase have complained above-mentioned paints cure quickly Test combination /8 x 3 x 3 squares balsa before committing final finish Fuel/Prop have now begun use 10% nitro fuel 23% oil oil content 50% castor 50% Klotz synthetic add three four ounces castor gallon fuel weather begins 62 Model Aviation ter original configuration top block rudder taped place Model weighed 595 ounces trimmed flight Built-up wing option
Edition: Model Aviation - 1998/08
Page Numbers: 58, 59, 61, 62
The Scepter derived Bob Hunts Genesis 46 Mark III Eagle/Matrix versions Lou Dudka Glen Meador Nose-to-tail-moment ratio chosen 1165 10 inches leading edge wing back prop 165 inches flap hingeline elevator hingeline Total wing area approximately 675 square inches including flap surface area stab elevator 235% total wing/flap area 160 square inches original Scepter came off building board 57 ounces trimmed fly 595 ounces first flights began June 1995 progressed very well until first practice flight Pasco Washington AMA Nats up line broke handle during third corner reverse wingover Ever-tightening outside loops culminated rather soft inverted crash six-inch-high grass 58 Model Aviation U Allen Brickhaus / / / Photos author Charles Reeves Graphic Design Carla Kunz author L takes tachometer reading engine rpm Jerry Norm holds model prior launch Jerry Norm releases Scepter flight Barkley Field Paducah KY August1998 59 Type CL Precision Aerobatics Wingspan 597/s inches Engine PA 40 two-stroke Flying Weight 595 ounces Construction Built-up Covering/finish Heat-shrink film X-O RustTM crash seemed relatively minor until watched stab flex picked model up day-and-a-half spent attempting fix stab cooler voices experienced ones told lay model aside concentrate backup version long ride home after Nats kept mind busy thinking about would repair Scepter bring back life fix stab quick-butefficient repair model back air August 2 1995 Nineteen flights later outer wing popped off during practice flight stress crack occurred during Pasco crash unnoticed during subsequent repair process finished season backup airplane vowed get correct repair Scepter second time took some time heart soul look Scepter again objective manner slow process rebuilding airplane took place during winter 1995-96 Rebuilding probably took much time original construction feel worth Serious flying rerrimming began June 1996 led several wins Midwest Stunt circuit placing 17th 1996 AMA Nats CONSTRUCTION basic construction very similar Savoy December 1996 Model Aviation Savoy article outlines vast majority building techniques parallel model Wing If prefer built-up wing foam core examples can simply used method develop aluminum plywood templates construction ribbed version forward foam spar shown plans should location wooden spars built-up wing Refer back MA plan #193 Stiletto Les McDonald very simple way construct built-up wing am firm believer using Sullivan C-D braided lines leadout material long bushed properly brass copper tubing should passed through flame until tubing red hot Allow tubing cool slowly room temperature will soft enough bend shown plans hard enough serve well long-lasting bearing control system tubing goes over braided lines should tight fit hole drilled bellcrank same exact size tubing outside dimension Passing needed drill through hole several times will give smooth movement tubing/belicrank fit rudder shown hinged brass shim stock stiff enough allow adjust offset hold angle prefer little stability rudder offset can put small nylon horn rudder shown plans connect fuselage pivot point also drawn plans Landing Gear plans show original Scepter dural gear attached bottom fuselage first gear drawings consisted two pieces 3/ x /2 engine mount stock glued behind F-2 against fuselage doublers mount material drilled tapped 440 bolts blind mounting nuts gear bolted bottom mounts completes box consisting fuselage sides top blocka very stable way attach gear preferred wire gear wing ordered version spar landing gear clips blocks installed Scott Smith Aerosmith Scott provides quality product am providing address telephone number end article Engine/Pipe current engine choice Randy Smith/Nelson Precision Aerobatics 40 Smith/Werwage carbon-fiber tuned pipe Although PA 51 61 now available 40 will job well enough multitude Stunt fliers PA 40 supplied 181 venturi filtered Bru-Line green filter 181 venturi has same characteristics 300 restrictor style venturi airplane can also powered fine-running muffled 51-60 engine muffled engine chosen cut August1998 61 Bearers undercut between farmers allow use plastic metal tanks Typical guide slot adjustable leadouts Sullivan C-D braided pipe hole F-2 completely close off bottom /8 thicker cross grained balsa sure listen builder particular power unit follow advice given to break run fly engine/airplane combination forget air exhaust hole bottom cowling Pipe length set around 1675 inches measured center glow plug front first baffle four-chamber pipe has three chambers plus resonator section Finding front first baffle easy Place long wooden dowel music wire front opening pipe measuring device stops location baffle Randy Smith recommended wrapping some thin brightly colored thread location outside pipe gluing thread pipe CyA cyanoacrylate glue locator thread easily allows field change often needed length pipe Ground rpm release 10500 10900 Line length 65 feet measured center handle center model should give 525- 535-second level-lap time Engine Mount Note bearers undercut between F-i F-2 allows use plastic metal tanks process trimming Scepter undercut bearer combined extra aluminum 1A bolted glued bottom engine side mount will have 3/ shimming distance engine run equally during inside outside maneuvers have also run 60s airplanes type style engine mount still flying today heat up humidity climbs prop Bolly 11 x 33/4 measured #10 slot Prather pitch gauge still much learn fine hobby Precision Aerobatics PAMPA Precision Aerobatics Model Pilots Association Bibliography has collected ease search helpful information highly encourage join PAMPA reap rewards hard work done past Send request application PAMPA 156 Flying Cloud Isle Foster City CA 94404 n Brickhaus Box 206 Golconda IL 62938 Sources Randy Smith Aero Products 1880 Scenic Highway Snellville GA 30278 Scott Smith Aerosmith Model Aviation RD#l Box 290 Athens NY 12015 Byron Barker CF Slattery 407 Mount Tabor Road New Albany IN 47150-2206 Doug Taffinder Carolina-Taffinder 83455 Delhi Road North Charleston SC 29418 Mike Pratt Sig Manufacturing 401-7 South Front St Montezuma IA 50171 Finish finish Scepter same Savoy Heat-shrink film flying surfaces glass cloth/epoxy nose thinned epoxy balance wood surfaces Colors Rust OleumiM X-O RustTM have varied formula several years am pleased process can develop finely finished model less stink other methods have some comments modelers have attempted use Rust OleumTM X-O RustTM primer over previously doped underbase have complained above-mentioned paints cure quickly Test combination /8 x 3 x 3 squares balsa before committing final finish Fuel/Prop have now begun use 10% nitro fuel 23% oil oil content 50% castor 50% Klotz synthetic add three four ounces castor gallon fuel weather begins 62 Model Aviation ter original configuration top block rudder taped place Model weighed 595 ounces trimmed flight Built-up wing option