CONTROL LINE AEROBATICS MANY YEARS AGO started building models Veco kits Sterling Ringmasters Flying Clowns popular designs days difficult part control system Veco kits best representation included components Veco kits expensive time $695about double price profile kits Ringmaster Flying Clown recall mystery new airplanes first flights thought just way things sometimes flew well sometimes wasnt much print about trim airplanes much less modern technology trim devices wonder could have built things straight time basically built kits air bench accounts wonder goodflying airplanes first real successes two Veco Chiefsthe second version Both flew well string successes friends question about alignment has prompted get some history think about techniques procedures believe Joe Wagner designed Veco kits features promoted accurate assembly such interlocking formers fuselage die-cutting accurate go along good wood selection days both models 37-ounce airplanes Im making assumption Chiefs went together well built both average 10 days purchase flying Thats something wouldnt think about today thing really makes cringe today would build essentially references models flew luck coincidence building skills After Chiefs started string originals worked through design construction saw obvious need alignment procedures about time learned balsa alive moved long straight cuts relieved stress wood also learned good straightedge everything did going end up crooked about stage found out put fuselage sides top edge would bow unless careful still didnt have building board frame up structure tried some success slide one-piece sides over wings assemble fuselage over wings some early approaches procedural assembly provided accuracy Although far sophisticated what doing Detroit I-beam construction can classified procedural accuracy technique concept engineer assembly 138 Model Aviation ndary Sea Hornet Al Rabe model designed powered counter-rotating 05 35 engines retract gear designed Al TWO PIECE ADJUSTABLE FLAP HORN Horn Ear Upright3/32 lD Brass Bushings k6-32 Soc Hd Screw Sector Bob McDonalds two-piece flap horn Bill Werwage have using prototype P-47s years process assemble model step-by-step process defines overall accuracy watching Bob Hunts Windy Urtnowskis construction videos came conclusion individual methods assembly techniques Bob Windy use techniques result extraordinary models dont everything use what like what Ifeel comfortable using Sometimes combine approaches sometimes use sometimes neither However thoroughly recommend both videos instruction really want learn build well competitively point ties being comfortable technique facilities have disposal have workshop Tom Morris modest apartment have put everything up after building sessions Some builders end hobby share space equipment friends Also finances may pennit elaborate fixtures power tools have adapt approaches suit what can Careful work can produce first-rate results really know use sandpaper can work good anyone built first models rudimentary tools such razor blades pliers screwdriver sandpaper brush can Back discussion friend fuselage assembly way may have some flaws Ive evolved time airplanes use have flown well final test anything consistency good performance Ill deal fuselage sides separately engine crutch First lay out sides after making stress relief cut long edge sides will ideally closely matched oversized typically 40-48 inches long four inches wide sides available Lone Star Models Rt 9 Box 437 Lubbock TX 79423 Tel 800 687-5555 point make doubler laminations epoxy glue under pressure use /32 plywood nose /64 doubling stabilizer area Later after wing fuselage slip large U-shaped /64 plywood doubler around trailing edge wing lock flap horn strengthen bottom cutout next point cut top fuselage accurate straightedge clamp sides together sand straight time rough cutout wing stab openings engine-mount system borrows other designs detail Basically mounts notched 1/8 inch permit tank shimming epoxied 1/8 plywood plate serves top basic fuselage -inch glass/balsa end-grain laminate serves main firewall leading edge wing /s engine mount plate bridges piece engine mount material front behind engine Cross-grain balsa bridges gap between two mounts forms tank floor assembly put together thick plate glass accurate base Now adjustments materials work always cut square have account after assembly sand 1/8 plywood base flat can take reference measurements glass plate dial caliper Remember plywood surface reference thrustline incidence lines top fuselage measure surfaces remove material until engine-mount surfaces equal notch tank floor equal easy short process guarantees have accurate base adjustment alignment tank floor true thrustline tank could trimmed properly new power plants can sense twisted tank Now have straight set fuselage sides dead-true engine crutch can suggest two options assembling fuselage first fuselage jig available through Bob Hunt Box 68 Stockerton PA 18083 Tel [610] 746-0106 second method first saw Windy Urtnowski video Use cyanoacrylate CyA glue attach fuselage component level glass-top table Both methods have flat surface reference point have engine mount flat fuselage sides flat table flat Now go work formers accurately cut plans Make sure placed accurately within sides using Hunt jig sliders positioned secured hold pieces place should no forcing will induce stress everything correct start gluing process setting up front end slow-set epoxy tack rest CyA After have allowed front end cure set reference lines fuselage Measure surface wing stab references use plans exact distance mark fuselage make sure points deep enough will sand off finishing process Mark aft points use aligning control surfaces Now have accurate basic fuselage will serve heart great-flying airplane Note sequence uses measurements reference surface basis accuracy will serve well Next time Ill discuss getting wing fuselage New Items Several columns back focused leveling wings major factor achieving good-flying airplane Several factors affect wing trim such tip weight vertical CG center gravity leadout position relation CG built-in inaccuracy last factor months new product designed compensate several methods correct wing trim built-in adjustable trim tabs such used Randy Smiths highly successful SV series aircraft added fixed tabs setting/area determined empirical methods read cut try good old-fashioned flap tweak have done flap tweaks may recognize method far perfect /8-inch wire horns fliers use flaps getting good setting can real problem wire generally has hard temper method makes difficult get accept tweak times wire will creep back some unpredictable position Thats have readjust settings after session thought dead-on Also force required displace wire always much would like apply nice finish flaps builders use aids such 1/8 plywood plates over ends flaps Another method works well use stick-on strips automobile wheel weights bent flap shape padding strips have just right amount give prevent marking up finish Now wonderfully simple alternative generally accepted methods Bob McDonald has devised flap horn adjustable outside design basically two-part horn inboard portion containing upright rod bearing outboard portion has adjustment sector pin bottom 6-32 bolt riding slot adjustment bolt can accessed through /16 hole fuselage Bob Bill Werwage have using prototypes horn P-47 designs several years horns well-executed present viable solution ever-present problem horns can supplied bushings least -inch increments 1 inches Specify ordering Standard horns supplied -inch drill rod arms 3/32-inch hard wire arms can supplied smaller/lighter models Horns supplied arms unbent user can tailor horn application Contact Bob Rolland McDonald 28746 Westfield St Livonia MI 48150 Tel 734 421-4330 highly recommend very practical useful product new Caudron 1 will have h 1999 139
Edition: Model Aviation - 1999/03
Page Numbers: 138, 139
Edition: Model Aviation - 1999/03
Page Numbers: 138, 139
CONTROL LINE AEROBATICS MANY YEARS AGO started building models Veco kits Sterling Ringmasters Flying Clowns popular designs days difficult part control system Veco kits best representation included components Veco kits expensive time $695about double price profile kits Ringmaster Flying Clown recall mystery new airplanes first flights thought just way things sometimes flew well sometimes wasnt much print about trim airplanes much less modern technology trim devices wonder could have built things straight time basically built kits air bench accounts wonder goodflying airplanes first real successes two Veco Chiefsthe second version Both flew well string successes friends question about alignment has prompted get some history think about techniques procedures believe Joe Wagner designed Veco kits features promoted accurate assembly such interlocking formers fuselage die-cutting accurate go along good wood selection days both models 37-ounce airplanes Im making assumption Chiefs went together well built both average 10 days purchase flying Thats something wouldnt think about today thing really makes cringe today would build essentially references models flew luck coincidence building skills After Chiefs started string originals worked through design construction saw obvious need alignment procedures about time learned balsa alive moved long straight cuts relieved stress wood also learned good straightedge everything did going end up crooked about stage found out put fuselage sides top edge would bow unless careful still didnt have building board frame up structure tried some success slide one-piece sides over wings assemble fuselage over wings some early approaches procedural assembly provided accuracy Although far sophisticated what doing Detroit I-beam construction can classified procedural accuracy technique concept engineer assembly 138 Model Aviation ndary Sea Hornet Al Rabe model designed powered counter-rotating 05 35 engines retract gear designed Al TWO PIECE ADJUSTABLE FLAP HORN Horn Ear Upright3/32 lD Brass Bushings k6-32 Soc Hd Screw Sector Bob McDonalds two-piece flap horn Bill Werwage have using prototype P-47s years process assemble model step-by-step process defines overall accuracy watching Bob Hunts Windy Urtnowskis construction videos came conclusion individual methods assembly techniques Bob Windy use techniques result extraordinary models dont everything use what like what Ifeel comfortable using Sometimes combine approaches sometimes use sometimes neither However thoroughly recommend both videos instruction really want learn build well competitively point ties being comfortable technique facilities have disposal have workshop Tom Morris modest apartment have put everything up after building sessions Some builders end hobby share space equipment friends Also finances may pennit elaborate fixtures power tools have adapt approaches suit what can Careful work can produce first-rate results really know use sandpaper can work good anyone built first models rudimentary tools such razor blades pliers screwdriver sandpaper brush can Back discussion friend fuselage assembly way may have some flaws Ive evolved time airplanes use have flown well final test anything consistency good performance Ill deal fuselage sides separately engine crutch First lay out sides after making stress relief cut long edge sides will ideally closely matched oversized typically 40-48 inches long four inches wide sides available Lone Star Models Rt 9 Box 437 Lubbock TX 79423 Tel 800 687-5555 point make doubler laminations epoxy glue under pressure use /32 plywood nose /64 doubling stabilizer area Later after wing fuselage slip large U-shaped /64 plywood doubler around trailing edge wing lock flap horn strengthen bottom cutout next point cut top fuselage accurate straightedge clamp sides together sand straight time rough cutout wing stab openings engine-mount system borrows other designs detail Basically mounts notched 1/8 inch permit tank shimming epoxied 1/8 plywood plate serves top basic fuselage -inch glass/balsa end-grain laminate serves main firewall leading edge wing /s engine mount plate bridges piece engine mount material front behind engine Cross-grain balsa bridges gap between two mounts forms tank floor assembly put together thick plate glass accurate base Now adjustments materials work always cut square have account after assembly sand 1/8 plywood base flat can take reference measurements glass plate dial caliper Remember plywood surface reference thrustline incidence lines top fuselage measure surfaces remove material until engine-mount surfaces equal notch tank floor equal easy short process guarantees have accurate base adjustment alignment tank floor true thrustline tank could trimmed properly new power plants can sense twisted tank Now have straight set fuselage sides dead-true engine crutch can suggest two options assembling fuselage first fuselage jig available through Bob Hunt Box 68 Stockerton PA 18083 Tel [610] 746-0106 second method first saw Windy Urtnowski video Use cyanoacrylate CyA glue attach fuselage component level glass-top table Both methods have flat surface reference point have engine mount flat fuselage sides flat table flat Now go work formers accurately cut plans Make sure placed accurately within sides using Hunt jig sliders positioned secured hold pieces place should no forcing will induce stress everything correct start gluing process setting up front end slow-set epoxy tack rest CyA After have allowed front end cure set reference lines fuselage Measure surface wing stab references use plans exact distance mark fuselage make sure points deep enough will sand off finishing process Mark aft points use aligning control surfaces Now have accurate basic fuselage will serve heart great-flying airplane Note sequence uses measurements reference surface basis accuracy will serve well Next time Ill discuss getting wing fuselage New Items Several columns back focused leveling wings major factor achieving good-flying airplane Several factors affect wing trim such tip weight vertical CG center gravity leadout position relation CG built-in inaccuracy last factor months new product designed compensate several methods correct wing trim built-in adjustable trim tabs such used Randy Smiths highly successful SV series aircraft added fixed tabs setting/area determined empirical methods read cut try good old-fashioned flap tweak have done flap tweaks may recognize method far perfect /8-inch wire horns fliers use flaps getting good setting can real problem wire generally has hard temper method makes difficult get accept tweak times wire will creep back some unpredictable position Thats have readjust settings after session thought dead-on Also force required displace wire always much would like apply nice finish flaps builders use aids such 1/8 plywood plates over ends flaps Another method works well use stick-on strips automobile wheel weights bent flap shape padding strips have just right amount give prevent marking up finish Now wonderfully simple alternative generally accepted methods Bob McDonald has devised flap horn adjustable outside design basically two-part horn inboard portion containing upright rod bearing outboard portion has adjustment sector pin bottom 6-32 bolt riding slot adjustment bolt can accessed through /16 hole fuselage Bob Bill Werwage have using prototypes horn P-47 designs several years horns well-executed present viable solution ever-present problem horns can supplied bushings least -inch increments 1 inches Specify ordering Standard horns supplied -inch drill rod arms 3/32-inch hard wire arms can supplied smaller/lighter models Horns supplied arms unbent user can tailor horn application Contact Bob Rolland McDonald 28746 Westfield St Livonia MI 48150 Tel 734 421-4330 highly recommend very practical useful product new Caudron 1 will have h 1999 139
