CcJncIL InlkWncI 32 Model Aviation Front end close-up shows pinch-off timer wire skid engine mount Wire skid sturdy absorb shock after steepest dethermalizer de scent required light Half-A models THIS MODEL outgrowth Don Chanceys Canned Heat Jetex design Don very impressed power-handling ability Jetex mod els wished could transfer type performance potential design both flying having some good success Mini-Pearl design liked its missile-like climb felt times glide left little desired also felt aesthetically appealing models around minor point sure worth considering So scaled up Canned Heat give wing area 225 sq roughly 10 sq Mini-Pearl hoped extra area combined higher aspect ratio would insure better average climb results scale-up experiment have quite good model has very rapid climb better glide other models similar size Some minor design faults have corrected now design ready others try model basically intended Category 2 contests since cate gory us usually fly have also flown model some Category con tests California done fairly well real problem size model visibility 5-minute max Ive informed becomes difficult see after 4 4 minutes windy conditions Thanks liberal use chrome mylar wing fuselage have yet have OGS called either category flying Flying under Category 1 rules placed 4th 1975 USFFC time 2649 placing combined models performance /2A gave quite few valuable points towards winning Grand Championship models distinctive appearance combined its flying ability have prompted several requests plans photos Heres hoping enjoy building flying Candle Wind Construction Wing wing heart design must built flat stay way diagonal aft-ribs excellent antiwarp feature made popular Lucky Lindy FAT Power classic structure nearly stiff geodetic lighter easier build Rear-end detail showing stabilizer popped up severe DT angle interesting fact highest performance jobs weve published inspired Jetex design ribs should fairly stiff C-grain balsa particularly careful avoid mushy type wood diagonal ribs tissue covering could cause diag onals buckle warp sure bevel joints fit accuratelydo force-fit parts warps will eventually result non-shrinking glue such Duco Titebond must joints Doubleglue joints after wing framework completed make tip ribs simply measure off height main spar rib sta tion cut rib question proper length Its good idea cut ribs little oversize height-wise sand down flush spars outlines after framework assembly complete ease construction turbulator spars dihedral-break ribs can omitted until after wing dihedral installed wing fully assembled struc turally should thoroughly sanded #320 grit paper remove glue bumps projections Following sanding give ribs outlines four coats clear dope thinned 50% Cover wing Japanese tissue preferably high visibility color scheme tissue attached structure shrink spraying rubbing alcohol alcohol dries faster water assures tissue will stick ribs spars very important since tissue attachment gives wing much its torsional rigidity Finish wing four five coats clear dope thinned 50% coat clear epoxy center section can aid fuel-proofing wing advised Stabilizer built finished same manner wing Its finished weight should approximately e stab too heavy model will very difficult balance adding nose weight thus giving heavy model overall advisable allow wing stab cure several days following finish ing process meantime fuselage may constructed Fuselage fuselage should cut fairly stiff long-grained sheets piece wood hard end slightly softer other ideal Place hard end sheet models nose everything will work out well weight-wise structure-wise pylon rudder must cut stiff C-grain type sheet must April 1976 33 Models three series mylar near wing stabilizer tips boon vis ibility Simple wing highly warp resistant absolutely no potential twisting warping components light sand ing #320 paper will sufficient prepare installation advisable leave pylon out body shell until model essentially completed pylon can shifted necessary balance model 80%CG fuselage should finished three coats lacquer sanding sealer sanded #500 paper after last coat has dried 24 hours Allow fuselage assembly cure additional 24 hours add coat two colored epoxy positive fuel-proofing Any other finish will render model fuel-soaked mess very short time installing DT mechanism sure have steep angle stabilizer pop up45 degrees absolute minimum NOTE UNLESS OTHERWISE SPECIFIED ALL MATERIALS ARE BALSA 1/16 C GRAIN RIBS STAB AIRFOIL- 7% TIPS ARE LHT 3/8 SHT 7 j2s2i1 77 - I -v I/8x 1/21 /16 3/ DIHEDRAL RI FUL DEPTH BRACE TIP MAIN SPAR /8 SHT 325 125 TILT AS REQD FOR GLIDE TURN FRONT VIEW CANDLE IN THE WIND HIGH PERFORMANCE 1/2 GAS F/F BY JIM HAUGHT WING AREA-225sq inFLYING WEIGHT5 1/2 6 OZ BALSA CHEEK BLOCKS 3/32 sq ---ru~-Iw SHT PLATFORM NOTE TANK IS PEN BLADDER SECURE AS REOD _________________________________ I/16x /2 TOP 8 BOTTOM O45M/W HOOKS x 3/16 RUNNERS181* TEST MONO J i/ i COX ENGINE ON [IK TATONE MOUNTH liji _-- ___LIIV1EW IIL~ ID -APPROX 4 LONGALUM SNUFFER TUBE ALUM TUBING D-T STOP 1/16 SHT FORMERS 1/16 SHT SIDES 34 Model Aviation /i 012345 Inches 60 degrees being better small light models take quite descend thermals easily lost too low DT angle used stout skid front end no prob lem potential damage due DT landing Flying First sure model balances 80% wing chord incidence settings correct Hand glide model over some tall grass Strive flat glide righthand glide circle perhaps 175 feet diam eter achieve desired glide trim add incidence incidence block beneath rear stabilizer 1/32 amounts glide too steep glide stally remove incidence block 1/32 increments until flattest possible glide obtained rush hand-gliding trim power trim will difficult well /l&SHTjBOTTOMI/IxI/a 3/3 x 3/16 IVrILNNNMN / 1/8 NOTCHES2 TOP8 BOTTOM ZA~- WING AIRFOIL- 9% 1/16 PLY 1/16 CGRAIN RIBS I/16x 1/8 ALL GUSSETS -1/16 SHT 1/8 SHT SPAR WING 57 3/32 DOWELINCIDENCE BLOCK - 16 PLY PLATFORM STAB STOP 45 M/W HOOK~/ / / / / / / / 45 MIN POP-UP / / 7 II 1/16 DOUBLERS PLANS BY DON CHANCEY satisfied glide trim power flights may begin first flights use very short 2-3 seconds engine runs engine running slightly rich power pattern strive righthand spiral making perhaps 2/4 turns II seconds initial climb perhaps first 3 seconds adjust model side thrust directional control rudder becomes effective after first few seconds should adjusted small amounts necessary make simple positive rudder adjust ments carve some 1/16 X a trailing-edge type stock Cut i/s lengths glue time appro priate side rudder blunt edge rearward keep model tightening its power pattern too much advisable glue couple aforementioned trian gular strips underside right main wing panel again blunt edge rear ward will keep right wing up climb prevent spins satisfied models performance practice until familiar its habits take few contests show competitors its done hope enjoy flying model much have feel can very capable performer April 1976 35 holds model aloft show trim scheme structural detailsnote anti warp construction mentioned text
Edition: Model Aviation - 1976/04
Page Numbers: 32, 33, 34, 35
CcJncIL InlkWncI 32 Model Aviation Front end close-up shows pinch-off timer wire skid engine mount Wire skid sturdy absorb shock after steepest dethermalizer de scent required light Half-A models THIS MODEL outgrowth Don Chanceys Canned Heat Jetex design Don very impressed power-handling ability Jetex mod els wished could transfer type performance potential design both flying having some good success Mini-Pearl design liked its missile-like climb felt times glide left little desired also felt aesthetically appealing models around minor point sure worth considering So scaled up Canned Heat give wing area 225 sq roughly 10 sq Mini-Pearl hoped extra area combined higher aspect ratio would insure better average climb results scale-up experiment have quite good model has very rapid climb better glide other models similar size Some minor design faults have corrected now design ready others try model basically intended Category 2 contests since cate gory us usually fly have also flown model some Category con tests California done fairly well real problem size model visibility 5-minute max Ive informed becomes difficult see after 4 4 minutes windy conditions Thanks liberal use chrome mylar wing fuselage have yet have OGS called either category flying Flying under Category 1 rules placed 4th 1975 USFFC time 2649 placing combined models performance /2A gave quite few valuable points towards winning Grand Championship models distinctive appearance combined its flying ability have prompted several requests plans photos Heres hoping enjoy building flying Candle Wind Construction Wing wing heart design must built flat stay way diagonal aft-ribs excellent antiwarp feature made popular Lucky Lindy FAT Power classic structure nearly stiff geodetic lighter easier build Rear-end detail showing stabilizer popped up severe DT angle interesting fact highest performance jobs weve published inspired Jetex design ribs should fairly stiff C-grain balsa particularly careful avoid mushy type wood diagonal ribs tissue covering could cause diag onals buckle warp sure bevel joints fit accuratelydo force-fit parts warps will eventually result non-shrinking glue such Duco Titebond must joints Doubleglue joints after wing framework completed make tip ribs simply measure off height main spar rib sta tion cut rib question proper length Its good idea cut ribs little oversize height-wise sand down flush spars outlines after framework assembly complete ease construction turbulator spars dihedral-break ribs can omitted until after wing dihedral installed wing fully assembled struc turally should thoroughly sanded #320 grit paper remove glue bumps projections Following sanding give ribs outlines four coats clear dope thinned 50% Cover wing Japanese tissue preferably high visibility color scheme tissue attached structure shrink spraying rubbing alcohol alcohol dries faster water assures tissue will stick ribs spars very important since tissue attachment gives wing much its torsional rigidity Finish wing four five coats clear dope thinned 50% coat clear epoxy center section can aid fuel-proofing wing advised Stabilizer built finished same manner wing Its finished weight should approximately e stab too heavy model will very difficult balance adding nose weight thus giving heavy model overall advisable allow wing stab cure several days following finish ing process meantime fuselage may constructed Fuselage fuselage should cut fairly stiff long-grained sheets piece wood hard end slightly softer other ideal Place hard end sheet models nose everything will work out well weight-wise structure-wise pylon rudder must cut stiff C-grain type sheet must April 1976 33 Models three series mylar near wing stabilizer tips boon vis ibility Simple wing highly warp resistant absolutely no potential twisting warping components light sand ing #320 paper will sufficient prepare installation advisable leave pylon out body shell until model essentially completed pylon can shifted necessary balance model 80%CG fuselage should finished three coats lacquer sanding sealer sanded #500 paper after last coat has dried 24 hours Allow fuselage assembly cure additional 24 hours add coat two colored epoxy positive fuel-proofing Any other finish will render model fuel-soaked mess very short time installing DT mechanism sure have steep angle stabilizer pop up45 degrees absolute minimum NOTE UNLESS OTHERWISE SPECIFIED ALL MATERIALS ARE BALSA 1/16 C GRAIN RIBS STAB AIRFOIL- 7% TIPS ARE LHT 3/8 SHT 7 j2s2i1 77 - I -v I/8x 1/21 /16 3/ DIHEDRAL RI FUL DEPTH BRACE TIP MAIN SPAR /8 SHT 325 125 TILT AS REQD FOR GLIDE TURN FRONT VIEW CANDLE IN THE WIND HIGH PERFORMANCE 1/2 GAS F/F BY JIM HAUGHT WING AREA-225sq inFLYING WEIGHT5 1/2 6 OZ BALSA CHEEK BLOCKS 3/32 sq ---ru~-Iw SHT PLATFORM NOTE TANK IS PEN BLADDER SECURE AS REOD _________________________________ I/16x /2 TOP 8 BOTTOM O45M/W HOOKS x 3/16 RUNNERS181* TEST MONO J i/ i COX ENGINE ON [IK TATONE MOUNTH liji _-- ___LIIV1EW IIL~ ID -APPROX 4 LONGALUM SNUFFER TUBE ALUM TUBING D-T STOP 1/16 SHT FORMERS 1/16 SHT SIDES 34 Model Aviation /i 012345 Inches 60 degrees being better small light models take quite descend thermals easily lost too low DT angle used stout skid front end no prob lem potential damage due DT landing Flying First sure model balances 80% wing chord incidence settings correct Hand glide model over some tall grass Strive flat glide righthand glide circle perhaps 175 feet diam eter achieve desired glide trim add incidence incidence block beneath rear stabilizer 1/32 amounts glide too steep glide stally remove incidence block 1/32 increments until flattest possible glide obtained rush hand-gliding trim power trim will difficult well /l&SHTjBOTTOMI/IxI/a 3/3 x 3/16 IVrILNNNMN / 1/8 NOTCHES2 TOP8 BOTTOM ZA~- WING AIRFOIL- 9% 1/16 PLY 1/16 CGRAIN RIBS I/16x 1/8 ALL GUSSETS -1/16 SHT 1/8 SHT SPAR WING 57 3/32 DOWELINCIDENCE BLOCK - 16 PLY PLATFORM STAB STOP 45 M/W HOOK~/ / / / / / / / 45 MIN POP-UP / / 7 II 1/16 DOUBLERS PLANS BY DON CHANCEY satisfied glide trim power flights may begin first flights use very short 2-3 seconds engine runs engine running slightly rich power pattern strive righthand spiral making perhaps 2/4 turns II seconds initial climb perhaps first 3 seconds adjust model side thrust directional control rudder becomes effective after first few seconds should adjusted small amounts necessary make simple positive rudder adjust ments carve some 1/16 X a trailing-edge type stock Cut i/s lengths glue time appro priate side rudder blunt edge rearward keep model tightening its power pattern too much advisable glue couple aforementioned trian gular strips underside right main wing panel again blunt edge rear ward will keep right wing up climb prevent spins satisfied models performance practice until familiar its habits take few contests show competitors its done hope enjoy flying model much have feel can very capable performer April 1976 35 holds model aloft show trim scheme structural detailsnote anti warp construction mentioned text
Edition: Model Aviation - 1976/04
Page Numbers: 32, 33, 34, 35
CcJncIL InlkWncI 32 Model Aviation Front end close-up shows pinch-off timer wire skid engine mount Wire skid sturdy absorb shock after steepest dethermalizer de scent required light Half-A models THIS MODEL outgrowth Don Chanceys Canned Heat Jetex design Don very impressed power-handling ability Jetex mod els wished could transfer type performance potential design both flying having some good success Mini-Pearl design liked its missile-like climb felt times glide left little desired also felt aesthetically appealing models around minor point sure worth considering So scaled up Canned Heat give wing area 225 sq roughly 10 sq Mini-Pearl hoped extra area combined higher aspect ratio would insure better average climb results scale-up experiment have quite good model has very rapid climb better glide other models similar size Some minor design faults have corrected now design ready others try model basically intended Category 2 contests since cate gory us usually fly have also flown model some Category con tests California done fairly well real problem size model visibility 5-minute max Ive informed becomes difficult see after 4 4 minutes windy conditions Thanks liberal use chrome mylar wing fuselage have yet have OGS called either category flying Flying under Category 1 rules placed 4th 1975 USFFC time 2649 placing combined models performance /2A gave quite few valuable points towards winning Grand Championship models distinctive appearance combined its flying ability have prompted several requests plans photos Heres hoping enjoy building flying Candle Wind Construction Wing wing heart design must built flat stay way diagonal aft-ribs excellent antiwarp feature made popular Lucky Lindy FAT Power classic structure nearly stiff geodetic lighter easier build Rear-end detail showing stabilizer popped up severe DT angle interesting fact highest performance jobs weve published inspired Jetex design ribs should fairly stiff C-grain balsa particularly careful avoid mushy type wood diagonal ribs tissue covering could cause diag onals buckle warp sure bevel joints fit accuratelydo force-fit parts warps will eventually result non-shrinking glue such Duco Titebond must joints Doubleglue joints after wing framework completed make tip ribs simply measure off height main spar rib sta tion cut rib question proper length Its good idea cut ribs little oversize height-wise sand down flush spars outlines after framework assembly complete ease construction turbulator spars dihedral-break ribs can omitted until after wing dihedral installed wing fully assembled struc turally should thoroughly sanded #320 grit paper remove glue bumps projections Following sanding give ribs outlines four coats clear dope thinned 50% Cover wing Japanese tissue preferably high visibility color scheme tissue attached structure shrink spraying rubbing alcohol alcohol dries faster water assures tissue will stick ribs spars very important since tissue attachment gives wing much its torsional rigidity Finish wing four five coats clear dope thinned 50% coat clear epoxy center section can aid fuel-proofing wing advised Stabilizer built finished same manner wing Its finished weight should approximately e stab too heavy model will very difficult balance adding nose weight thus giving heavy model overall advisable allow wing stab cure several days following finish ing process meantime fuselage may constructed Fuselage fuselage should cut fairly stiff long-grained sheets piece wood hard end slightly softer other ideal Place hard end sheet models nose everything will work out well weight-wise structure-wise pylon rudder must cut stiff C-grain type sheet must April 1976 33 Models three series mylar near wing stabilizer tips boon vis ibility Simple wing highly warp resistant absolutely no potential twisting warping components light sand ing #320 paper will sufficient prepare installation advisable leave pylon out body shell until model essentially completed pylon can shifted necessary balance model 80%CG fuselage should finished three coats lacquer sanding sealer sanded #500 paper after last coat has dried 24 hours Allow fuselage assembly cure additional 24 hours add coat two colored epoxy positive fuel-proofing Any other finish will render model fuel-soaked mess very short time installing DT mechanism sure have steep angle stabilizer pop up45 degrees absolute minimum NOTE UNLESS OTHERWISE SPECIFIED ALL MATERIALS ARE BALSA 1/16 C GRAIN RIBS STAB AIRFOIL- 7% TIPS ARE LHT 3/8 SHT 7 j2s2i1 77 - I -v I/8x 1/21 /16 3/ DIHEDRAL RI FUL DEPTH BRACE TIP MAIN SPAR /8 SHT 325 125 TILT AS REQD FOR GLIDE TURN FRONT VIEW CANDLE IN THE WIND HIGH PERFORMANCE 1/2 GAS F/F BY JIM HAUGHT WING AREA-225sq inFLYING WEIGHT5 1/2 6 OZ BALSA CHEEK BLOCKS 3/32 sq ---ru~-Iw SHT PLATFORM NOTE TANK IS PEN BLADDER SECURE AS REOD _________________________________ I/16x /2 TOP 8 BOTTOM O45M/W HOOKS x 3/16 RUNNERS181* TEST MONO J i/ i COX ENGINE ON [IK TATONE MOUNTH liji _-- ___LIIV1EW IIL~ ID -APPROX 4 LONGALUM SNUFFER TUBE ALUM TUBING D-T STOP 1/16 SHT FORMERS 1/16 SHT SIDES 34 Model Aviation /i 012345 Inches 60 degrees being better small light models take quite descend thermals easily lost too low DT angle used stout skid front end no prob lem potential damage due DT landing Flying First sure model balances 80% wing chord incidence settings correct Hand glide model over some tall grass Strive flat glide righthand glide circle perhaps 175 feet diam eter achieve desired glide trim add incidence incidence block beneath rear stabilizer 1/32 amounts glide too steep glide stally remove incidence block 1/32 increments until flattest possible glide obtained rush hand-gliding trim power trim will difficult well /l&SHTjBOTTOMI/IxI/a 3/3 x 3/16 IVrILNNNMN / 1/8 NOTCHES2 TOP8 BOTTOM ZA~- WING AIRFOIL- 9% 1/16 PLY 1/16 CGRAIN RIBS I/16x 1/8 ALL GUSSETS -1/16 SHT 1/8 SHT SPAR WING 57 3/32 DOWELINCIDENCE BLOCK - 16 PLY PLATFORM STAB STOP 45 M/W HOOK~/ / / / / / / / 45 MIN POP-UP / / 7 II 1/16 DOUBLERS PLANS BY DON CHANCEY satisfied glide trim power flights may begin first flights use very short 2-3 seconds engine runs engine running slightly rich power pattern strive righthand spiral making perhaps 2/4 turns II seconds initial climb perhaps first 3 seconds adjust model side thrust directional control rudder becomes effective after first few seconds should adjusted small amounts necessary make simple positive rudder adjust ments carve some 1/16 X a trailing-edge type stock Cut i/s lengths glue time appro priate side rudder blunt edge rearward keep model tightening its power pattern too much advisable glue couple aforementioned trian gular strips underside right main wing panel again blunt edge rear ward will keep right wing up climb prevent spins satisfied models performance practice until familiar its habits take few contests show competitors its done hope enjoy flying model much have feel can very capable performer April 1976 35 holds model aloft show trim scheme structural detailsnote anti warp construction mentioned text
Edition: Model Aviation - 1976/04
Page Numbers: 32, 33, 34, 35
CcJncIL InlkWncI 32 Model Aviation Front end close-up shows pinch-off timer wire skid engine mount Wire skid sturdy absorb shock after steepest dethermalizer de scent required light Half-A models THIS MODEL outgrowth Don Chanceys Canned Heat Jetex design Don very impressed power-handling ability Jetex mod els wished could transfer type performance potential design both flying having some good success Mini-Pearl design liked its missile-like climb felt times glide left little desired also felt aesthetically appealing models around minor point sure worth considering So scaled up Canned Heat give wing area 225 sq roughly 10 sq Mini-Pearl hoped extra area combined higher aspect ratio would insure better average climb results scale-up experiment have quite good model has very rapid climb better glide other models similar size Some minor design faults have corrected now design ready others try model basically intended Category 2 contests since cate gory us usually fly have also flown model some Category con tests California done fairly well real problem size model visibility 5-minute max Ive informed becomes difficult see after 4 4 minutes windy conditions Thanks liberal use chrome mylar wing fuselage have yet have OGS called either category flying Flying under Category 1 rules placed 4th 1975 USFFC time 2649 placing combined models performance /2A gave quite few valuable points towards winning Grand Championship models distinctive appearance combined its flying ability have prompted several requests plans photos Heres hoping enjoy building flying Candle Wind Construction Wing wing heart design must built flat stay way diagonal aft-ribs excellent antiwarp feature made popular Lucky Lindy FAT Power classic structure nearly stiff geodetic lighter easier build Rear-end detail showing stabilizer popped up severe DT angle interesting fact highest performance jobs weve published inspired Jetex design ribs should fairly stiff C-grain balsa particularly careful avoid mushy type wood diagonal ribs tissue covering could cause diag onals buckle warp sure bevel joints fit accuratelydo force-fit parts warps will eventually result non-shrinking glue such Duco Titebond must joints Doubleglue joints after wing framework completed make tip ribs simply measure off height main spar rib sta tion cut rib question proper length Its good idea cut ribs little oversize height-wise sand down flush spars outlines after framework assembly complete ease construction turbulator spars dihedral-break ribs can omitted until after wing dihedral installed wing fully assembled struc turally should thoroughly sanded #320 grit paper remove glue bumps projections Following sanding give ribs outlines four coats clear dope thinned 50% Cover wing Japanese tissue preferably high visibility color scheme tissue attached structure shrink spraying rubbing alcohol alcohol dries faster water assures tissue will stick ribs spars very important since tissue attachment gives wing much its torsional rigidity Finish wing four five coats clear dope thinned 50% coat clear epoxy center section can aid fuel-proofing wing advised Stabilizer built finished same manner wing Its finished weight should approximately e stab too heavy model will very difficult balance adding nose weight thus giving heavy model overall advisable allow wing stab cure several days following finish ing process meantime fuselage may constructed Fuselage fuselage should cut fairly stiff long-grained sheets piece wood hard end slightly softer other ideal Place hard end sheet models nose everything will work out well weight-wise structure-wise pylon rudder must cut stiff C-grain type sheet must April 1976 33 Models three series mylar near wing stabilizer tips boon vis ibility Simple wing highly warp resistant absolutely no potential twisting warping components light sand ing #320 paper will sufficient prepare installation advisable leave pylon out body shell until model essentially completed pylon can shifted necessary balance model 80%CG fuselage should finished three coats lacquer sanding sealer sanded #500 paper after last coat has dried 24 hours Allow fuselage assembly cure additional 24 hours add coat two colored epoxy positive fuel-proofing Any other finish will render model fuel-soaked mess very short time installing DT mechanism sure have steep angle stabilizer pop up45 degrees absolute minimum NOTE UNLESS OTHERWISE SPECIFIED ALL MATERIALS ARE BALSA 1/16 C GRAIN RIBS STAB AIRFOIL- 7% TIPS ARE LHT 3/8 SHT 7 j2s2i1 77 - I -v I/8x 1/21 /16 3/ DIHEDRAL RI FUL DEPTH BRACE TIP MAIN SPAR /8 SHT 325 125 TILT AS REQD FOR GLIDE TURN FRONT VIEW CANDLE IN THE WIND HIGH PERFORMANCE 1/2 GAS F/F BY JIM HAUGHT WING AREA-225sq inFLYING WEIGHT5 1/2 6 OZ BALSA CHEEK BLOCKS 3/32 sq ---ru~-Iw SHT PLATFORM NOTE TANK IS PEN BLADDER SECURE AS REOD _________________________________ I/16x /2 TOP 8 BOTTOM O45M/W HOOKS x 3/16 RUNNERS181* TEST MONO J i/ i COX ENGINE ON [IK TATONE MOUNTH liji _-- ___LIIV1EW IIL~ ID -APPROX 4 LONGALUM SNUFFER TUBE ALUM TUBING D-T STOP 1/16 SHT FORMERS 1/16 SHT SIDES 34 Model Aviation /i 012345 Inches 60 degrees being better small light models take quite descend thermals easily lost too low DT angle used stout skid front end no prob lem potential damage due DT landing Flying First sure model balances 80% wing chord incidence settings correct Hand glide model over some tall grass Strive flat glide righthand glide circle perhaps 175 feet diam eter achieve desired glide trim add incidence incidence block beneath rear stabilizer 1/32 amounts glide too steep glide stally remove incidence block 1/32 increments until flattest possible glide obtained rush hand-gliding trim power trim will difficult well /l&SHTjBOTTOMI/IxI/a 3/3 x 3/16 IVrILNNNMN / 1/8 NOTCHES2 TOP8 BOTTOM ZA~- WING AIRFOIL- 9% 1/16 PLY 1/16 CGRAIN RIBS I/16x 1/8 ALL GUSSETS -1/16 SHT 1/8 SHT SPAR WING 57 3/32 DOWELINCIDENCE BLOCK - 16 PLY PLATFORM STAB STOP 45 M/W HOOK~/ / / / / / / / 45 MIN POP-UP / / 7 II 1/16 DOUBLERS PLANS BY DON CHANCEY satisfied glide trim power flights may begin first flights use very short 2-3 seconds engine runs engine running slightly rich power pattern strive righthand spiral making perhaps 2/4 turns II seconds initial climb perhaps first 3 seconds adjust model side thrust directional control rudder becomes effective after first few seconds should adjusted small amounts necessary make simple positive rudder adjust ments carve some 1/16 X a trailing-edge type stock Cut i/s lengths glue time appro priate side rudder blunt edge rearward keep model tightening its power pattern too much advisable glue couple aforementioned trian gular strips underside right main wing panel again blunt edge rear ward will keep right wing up climb prevent spins satisfied models performance practice until familiar its habits take few contests show competitors its done hope enjoy flying model much have feel can very capable performer April 1976 35 holds model aloft show trim scheme structural detailsnote anti warp construction mentioned text