DAVE FALKENHAGEN Edina Minne sota sent sketch engine shutoff arrange ment used Sport Scale Clipped Wing Cub 3rd 78 Nats Dave uses G-S Products 3-line belicrank handle combina tion worked out shutoff arrangement follows First back off carburetor idle stop screw does come play before carburetor barrel completely closes con struct three separate control lines up down throttle attach model handle normally would achieve full range throttle movement available carburetor Dont worry about shut-off factor stage just sure control handle can fully open close engines carb After has satisfactorily achieved test run engine control system completed laid out Have assist ant operate control handle bring carbs idle stop screw back play hold desired safe low speed setting Next shut off engine hold throttle finger carb closed position against stop screw assist ant uses pencil mark top handle exact position top lever doing control lines must pulled tight man handle must putting pressure trigger top lever Let move position dictated holding carb closed against idle stop screw Make mark handle back edge top lever anything error slightly forward faster idle position Screw and/or Hot Stuff piece sheet plastic kind marked location Now bring top lever back low throttle position plastic should doing job engines idle stop screw So point should back idle stop screw completely out play again good restart engine recheck idle speed handle lever against plastic stop will probably slightly fast since errored fast side So take X-acto knife assistant holding model trim little bit plastic away time fine tune idle speed exactiy what want Since plastic stop isnt removable shut off engine simply reach out front handle squeeze top bottom elevator control lines towards other will close carburetor past safe idle point kill engine Ready-Made Scale Props may recall several occasions past including last month have mentioned important good static display prop successfully creating convincing miniature replica full-scale aircraft past column particular July 1978 dealt almost exclusively modifing stock commercial wood prop satisfactory Sport Scale display prop dont think such modification suitable particular model arent inclined carve exact duplicate scratch might consider other alternative know Keeler Propellers 572 Deodara Vacaville ENGINE SHU TOFF SPEED POSITION CA 95688 business manufacturing authentic scale model propellers Naturally props static display cannot used flying send price specification list will find have stock two- three four-bladed props almost current WW2 scale kits market Some come detailed prop hub appropriate Continued page 116 G-S J-Roberts Control Handle K SQUEEZE TOP AND BOTTOM LINES TOGETHER TO KILL ENGINE 48 Model Aviation Black fuel tubing can used duplicate coaming found around almost open-style cockpits Text explains steps hints easy installation Both photographs author oampie scaie moocH aisplay props manufactured Keeler Propellers top isa cast-resin two bladed Hamilton Standard type Bottom hand-carved isminated wood WW style Both sold ready-to-paint install display intended flight NNOUNCINGThe New Instant-Dry f Adhesive Process K Ffl ToSheetFoam Wing Cores new product Corefilm replaces using white glue epoxy contact cement sheeting foam wing cores Corefilm rough thin lightweight mylar tape has ooated both sides contact adhesive Corefilm ready instant use After oovering wing core 11/2 strips corefilm remove paper backing set plywood balsa sheeting material place press foam core bond instant Corefilm flight tested gliders power ships tough mylar film provides strapping tape effect both top bottom has proven desirable superior quality Corefilm comes 1% wide 36 yard rolls roll will cover over 1900 sq 13 sq dealer direct Write brochure complete line BILL 19216 Calvert Street Reseda CA213/344-6391 Quiet Power -Tatone Makes new super quiet K&B 40 R/C muffler requires machined fit exhaust stack cover Easy no exhaust plugs fittings adaptors Muffler exposed holes Just bolt on.thats itl Will reduce noise 10 12 decibels little no loss rpms Noise cancelled interposing sound waves eRadi cal free flow expansion chamber angled blow exhaust away fuselage attach provision pressure fitting Also available ENYA 29 35 40 45 OS MAX 30 35 40 SUPER TIGRE 021 35 46 Add $100 extra above engines specify type Mounting strap screw included $1295 No 306 Add $125 postage handling CA residents add 6% tax Dealer inquiries 1931 Gee Bee Super Spo1Scale General Arrange-I - ment Drawing Catalog 25c W T Bill Given MODERNISTIC MODELS PO BOX 6974 ALBUQ NM 87197 little higilpoints design philosophy resulted Imitation say plane success would unfair understatement facts respects best flying plane have flown terms tight precise corners has few peers experimental features tested Imitation successful results now being incorporated new competition ship Excitation Because relative ease construc tion Imitation should reasonable project builder few profiles under belt Due ts outstanding flying capabilities perfect selection contest machine beginners GET ORGANIZED set 4 st.d ties 00kM Osr 4 years yes taole II eragazeres 4 MAO FILES $495 Seod 5496 pMe $1 00 postage wd taneag DaM iwnuemma PO Box 3M-K DOVER NH 00000 advanced fliers Any builder desires far better average plane practice impressive Sunday barnstorming ought take close look Continued Suggested Reading Fundamentals Aircraft FlightFred erick K Teichmann Hayden Book Co Inc Rochelle Park NJ Aerodynamics forNavalA viatorsIssued Office Chief Naval Opera tions Aviation Training Division Primar ily Chapter Pages 1 through 95 FLY SAFELY CL Speed/Hempel continued tram page 47 eral Speed supplies Rossi engine parts John Newton 2154 Los Padres Drive Rowland Heights CA 91748 lane parts Chuck Schuette-design asymmetric sidewinder Questions concerning article FAI Speed general may addressed Charles Lieber 725 Signal Light Rd Moorestown NJ 08057 Gene Hempel 301 North Yale Dr GarlantL TX 77459 CL Scale/Gretz continued page 48 authentically contoured spinners available parts castof gray epoxy resin ready-to-paint no priming extensive sanding required samples saw ap peared very accurately researched duplicated displayed excellent workmanship Also available firm hand-carved laminated wood scale props suitable WWl vintage kits market also come ready-to-finish include metal hub plates scratch-builders Keeler will make custom props either cast resin wood providing can furnish adequate scale documenta don should include diameter fullsize prop photos drawings possible materials will returned upon completion prop RingAroundthe. Cockpitl oldest tricks scale modeling book using fuel line tubing simulate padded edging normally found around rim open cockpits vintage full-scale aircraft com monly referred cockpit coaming building CL Sport Scale PT-i 9 became reacquainted familiar technique jotted down few notes may interest coaming around cockpits actual full-size PT-19 duplicating made padded black leather type typical older open cockpit aircraft may find some homebuilt types today will have foam rubber edging case need find brand tubing has right diameter wall thickness give correct degree size roundness found some W ID IA OD black neoprene rubber tubing formerly marketed VECO looked just right 10 feet away 1/6th scale modeL After finish complete used sharp #11 X-acto knife cut cockpit openings final shapeThen flat black anti-glare panel painted dry cut piece tubing cockpit slightly longer figure actually needed Use sharp blade again cut through tubing lengthwise along side can opened up slipped over cockpit edge trial fit tubing model first time glue Start end very carefully go way around making certain tubing isflrinly pushed up against balsa edge before cutting itto final length youre completely satisfied will fit desired take off mix up batch slow drying overnight epoxy glue Use piece wire work epoxy inside tubing Slip tubing back place model use plenty pins secure balsa cockpit until glue dries tubing using necessary push pins firmly withdraw just slightly holding tubing back fingers avoid leaving permanent dimple tubing after epoxy 116 Model Aviation Mike Gretz Box 162 Montezuma IA 50171 CL Navy Carrier/Perry continued page 49 clarification arrested landing definitions scale bonus points Profile CLCB will voting rules about month Sep tember 1 care about event owe yourself let CLCB representative know feelings Carrier issues up voting definitely favor scale-like Profile models case havent already reached conclusion reading previous columns Ive tried give equal time worthy non-scale models welL such model Bill Reynolds Tuborg H pictured month Bill top Profile fliers Daytons Buzzin Buzzards club Tuborg II uses flaps ailerons its 310sq-in wing has fixed leadouts stab although smaller Profile models has long moment arm quite adequate well-balanced model Rectangular wing planform minimum fuselages models like Tuborg II allow simplified light weight construction potential improved performance over heavier scale-like Profiles Bill uses ne Supertigre ST 35 engine has standard Profile Carrier quite previous discussions converting exist ing sport CL kits scale-like Profile models Ive never mentioned details establish proper outlines fuselage tail wing tips must often modified after kit selected provide proper wing shape match prototype Although accuratelyscaled outlines great require some effort develop sometimes dont look exactly right because flat fuselages Profile models Roger Edwards suggestion sketch outlines regard accuracy dimensions make adjustments neces sary until drawing looks right method artistic technicalis easy yet still provides realism desired model month have yet another obscure carrier prototype Handley Page model HP-21 US Navy HPS-l delivered 1923 proto type shipboard fighter Its advanced design consisted plywood wings fuselage much attention streamlining clean mono plane unusual era externally-braced fabric-covered biplanes could reach 145 mph 230 hp Its significant feature wing carried full-span flaps leading edge slats allowed landing speed 44 mph spite its design features Navy cancelled its order HPS- 1 after receiving first aircraft no others built Richard L Perry 5016 Angelita Ave Day ton OH 45424 reed about Model Aviation writing advertisers mention banging around corners allowing time recover speed between corners intersections within maneuver should help smooth out overall flight plane Lengthening lines will slow plane down will give room maneuvers should help smooth out flight plane starting out trim plane itis good idea make up three sets lines instance 35 size airplane try 58- 595- 605-foot lines Remember turns out shorter length best can cut longer ones size wing has pronounced warp wish remove best method Ive seen wrap wing cloth towels hot possible damp Keeping sharp lookout paint starts get loose starts lift block wing warp over-compensated about 14 let dry take towels off before blocking up should spring place after thorough ly drying come out about right Dont expect first soaking work perfectly may have repeat process after observing plane level flight wing high low flap tweaking doesnt work flaps wont bend danger breaking flap horn need put small tab wing flap made balsa tin can stock aluminum may want slit trailing edge wing flap insert tab soit looks pretty much built Remember can wonders performance airplane changing September1979 117 hardens neat possible tiymg get CL Aerobatics/Paul epoxy over ouside tubing continued page 50 airplane Some glue bound ooze out tubing permanently putinplace can easily wiped completely off clean rag soaked alcohoL squeeze bottle methyl alcoholas used giow fuelis always workbench comes handily situations like Rubbing alcohol will work just well Keep cards letters coming
Edition: Model Aviation - 1979/09
Page Numbers: 48, 116, 117
DAVE FALKENHAGEN Edina Minne sota sent sketch engine shutoff arrange ment used Sport Scale Clipped Wing Cub 3rd 78 Nats Dave uses G-S Products 3-line belicrank handle combina tion worked out shutoff arrangement follows First back off carburetor idle stop screw does come play before carburetor barrel completely closes con struct three separate control lines up down throttle attach model handle normally would achieve full range throttle movement available carburetor Dont worry about shut-off factor stage just sure control handle can fully open close engines carb After has satisfactorily achieved test run engine control system completed laid out Have assist ant operate control handle bring carbs idle stop screw back play hold desired safe low speed setting Next shut off engine hold throttle finger carb closed position against stop screw assist ant uses pencil mark top handle exact position top lever doing control lines must pulled tight man handle must putting pressure trigger top lever Let move position dictated holding carb closed against idle stop screw Make mark handle back edge top lever anything error slightly forward faster idle position Screw and/or Hot Stuff piece sheet plastic kind marked location Now bring top lever back low throttle position plastic should doing job engines idle stop screw So point should back idle stop screw completely out play again good restart engine recheck idle speed handle lever against plastic stop will probably slightly fast since errored fast side So take X-acto knife assistant holding model trim little bit plastic away time fine tune idle speed exactiy what want Since plastic stop isnt removable shut off engine simply reach out front handle squeeze top bottom elevator control lines towards other will close carburetor past safe idle point kill engine Ready-Made Scale Props may recall several occasions past including last month have mentioned important good static display prop successfully creating convincing miniature replica full-scale aircraft past column particular July 1978 dealt almost exclusively modifing stock commercial wood prop satisfactory Sport Scale display prop dont think such modification suitable particular model arent inclined carve exact duplicate scratch might consider other alternative know Keeler Propellers 572 Deodara Vacaville ENGINE SHU TOFF SPEED POSITION CA 95688 business manufacturing authentic scale model propellers Naturally props static display cannot used flying send price specification list will find have stock two- three four-bladed props almost current WW2 scale kits market Some come detailed prop hub appropriate Continued page 116 G-S J-Roberts Control Handle K SQUEEZE TOP AND BOTTOM LINES TOGETHER TO KILL ENGINE 48 Model Aviation Black fuel tubing can used duplicate coaming found around almost open-style cockpits Text explains steps hints easy installation Both photographs author oampie scaie moocH aisplay props manufactured Keeler Propellers top isa cast-resin two bladed Hamilton Standard type Bottom hand-carved isminated wood WW style Both sold ready-to-paint install display intended flight NNOUNCINGThe New Instant-Dry f Adhesive Process K Ffl ToSheetFoam Wing Cores new product Corefilm replaces using white glue epoxy contact cement sheeting foam wing cores Corefilm rough thin lightweight mylar tape has ooated both sides contact adhesive Corefilm ready instant use After oovering wing core 11/2 strips corefilm remove paper backing set plywood balsa sheeting material place press foam core bond instant Corefilm flight tested gliders power ships tough mylar film provides strapping tape effect both top bottom has proven desirable superior quality Corefilm comes 1% wide 36 yard rolls roll will cover over 1900 sq 13 sq dealer direct Write brochure complete line BILL 19216 Calvert Street Reseda CA213/344-6391 Quiet Power -Tatone Makes new super quiet K&B 40 R/C muffler requires machined fit exhaust stack cover Easy no exhaust plugs fittings adaptors Muffler exposed holes Just bolt on.thats itl Will reduce noise 10 12 decibels little no loss rpms Noise cancelled interposing sound waves eRadi cal free flow expansion chamber angled blow exhaust away fuselage attach provision pressure fitting Also available ENYA 29 35 40 45 OS MAX 30 35 40 SUPER TIGRE 021 35 46 Add $100 extra above engines specify type Mounting strap screw included $1295 No 306 Add $125 postage handling CA residents add 6% tax Dealer inquiries 1931 Gee Bee Super Spo1Scale General Arrange-I - ment Drawing Catalog 25c W T Bill Given MODERNISTIC MODELS PO BOX 6974 ALBUQ NM 87197 little higilpoints design philosophy resulted Imitation say plane success would unfair understatement facts respects best flying plane have flown terms tight precise corners has few peers experimental features tested Imitation successful results now being incorporated new competition ship Excitation Because relative ease construc tion Imitation should reasonable project builder few profiles under belt Due ts outstanding flying capabilities perfect selection contest machine beginners GET ORGANIZED set 4 st.d ties 00kM Osr 4 years yes taole II eragazeres 4 MAO FILES $495 Seod 5496 pMe $1 00 postage wd taneag DaM iwnuemma PO Box 3M-K DOVER NH 00000 advanced fliers Any builder desires far better average plane practice impressive Sunday barnstorming ought take close look Continued Suggested Reading Fundamentals Aircraft FlightFred erick K Teichmann Hayden Book Co Inc Rochelle Park NJ Aerodynamics forNavalA viatorsIssued Office Chief Naval Opera tions Aviation Training Division Primar ily Chapter Pages 1 through 95 FLY SAFELY CL Speed/Hempel continued tram page 47 eral Speed supplies Rossi engine parts John Newton 2154 Los Padres Drive Rowland Heights CA 91748 lane parts Chuck Schuette-design asymmetric sidewinder Questions concerning article FAI Speed general may addressed Charles Lieber 725 Signal Light Rd Moorestown NJ 08057 Gene Hempel 301 North Yale Dr GarlantL TX 77459 CL Scale/Gretz continued page 48 authentically contoured spinners available parts castof gray epoxy resin ready-to-paint no priming extensive sanding required samples saw ap peared very accurately researched duplicated displayed excellent workmanship Also available firm hand-carved laminated wood scale props suitable WWl vintage kits market also come ready-to-finish include metal hub plates scratch-builders Keeler will make custom props either cast resin wood providing can furnish adequate scale documenta don should include diameter fullsize prop photos drawings possible materials will returned upon completion prop RingAroundthe. Cockpitl oldest tricks scale modeling book using fuel line tubing simulate padded edging normally found around rim open cockpits vintage full-scale aircraft com monly referred cockpit coaming building CL Sport Scale PT-i 9 became reacquainted familiar technique jotted down few notes may interest coaming around cockpits actual full-size PT-19 duplicating made padded black leather type typical older open cockpit aircraft may find some homebuilt types today will have foam rubber edging case need find brand tubing has right diameter wall thickness give correct degree size roundness found some W ID IA OD black neoprene rubber tubing formerly marketed VECO looked just right 10 feet away 1/6th scale modeL After finish complete used sharp #11 X-acto knife cut cockpit openings final shapeThen flat black anti-glare panel painted dry cut piece tubing cockpit slightly longer figure actually needed Use sharp blade again cut through tubing lengthwise along side can opened up slipped over cockpit edge trial fit tubing model first time glue Start end very carefully go way around making certain tubing isflrinly pushed up against balsa edge before cutting itto final length youre completely satisfied will fit desired take off mix up batch slow drying overnight epoxy glue Use piece wire work epoxy inside tubing Slip tubing back place model use plenty pins secure balsa cockpit until glue dries tubing using necessary push pins firmly withdraw just slightly holding tubing back fingers avoid leaving permanent dimple tubing after epoxy 116 Model Aviation Mike Gretz Box 162 Montezuma IA 50171 CL Navy Carrier/Perry continued page 49 clarification arrested landing definitions scale bonus points Profile CLCB will voting rules about month Sep tember 1 care about event owe yourself let CLCB representative know feelings Carrier issues up voting definitely favor scale-like Profile models case havent already reached conclusion reading previous columns Ive tried give equal time worthy non-scale models welL such model Bill Reynolds Tuborg H pictured month Bill top Profile fliers Daytons Buzzin Buzzards club Tuborg II uses flaps ailerons its 310sq-in wing has fixed leadouts stab although smaller Profile models has long moment arm quite adequate well-balanced model Rectangular wing planform minimum fuselages models like Tuborg II allow simplified light weight construction potential improved performance over heavier scale-like Profiles Bill uses ne Supertigre ST 35 engine has standard Profile Carrier quite previous discussions converting exist ing sport CL kits scale-like Profile models Ive never mentioned details establish proper outlines fuselage tail wing tips must often modified after kit selected provide proper wing shape match prototype Although accuratelyscaled outlines great require some effort develop sometimes dont look exactly right because flat fuselages Profile models Roger Edwards suggestion sketch outlines regard accuracy dimensions make adjustments neces sary until drawing looks right method artistic technicalis easy yet still provides realism desired model month have yet another obscure carrier prototype Handley Page model HP-21 US Navy HPS-l delivered 1923 proto type shipboard fighter Its advanced design consisted plywood wings fuselage much attention streamlining clean mono plane unusual era externally-braced fabric-covered biplanes could reach 145 mph 230 hp Its significant feature wing carried full-span flaps leading edge slats allowed landing speed 44 mph spite its design features Navy cancelled its order HPS- 1 after receiving first aircraft no others built Richard L Perry 5016 Angelita Ave Day ton OH 45424 reed about Model Aviation writing advertisers mention banging around corners allowing time recover speed between corners intersections within maneuver should help smooth out overall flight plane Lengthening lines will slow plane down will give room maneuvers should help smooth out flight plane starting out trim plane itis good idea make up three sets lines instance 35 size airplane try 58- 595- 605-foot lines Remember turns out shorter length best can cut longer ones size wing has pronounced warp wish remove best method Ive seen wrap wing cloth towels hot possible damp Keeping sharp lookout paint starts get loose starts lift block wing warp over-compensated about 14 let dry take towels off before blocking up should spring place after thorough ly drying come out about right Dont expect first soaking work perfectly may have repeat process after observing plane level flight wing high low flap tweaking doesnt work flaps wont bend danger breaking flap horn need put small tab wing flap made balsa tin can stock aluminum may want slit trailing edge wing flap insert tab soit looks pretty much built Remember can wonders performance airplane changing September1979 117 hardens neat possible tiymg get CL Aerobatics/Paul epoxy over ouside tubing continued page 50 airplane Some glue bound ooze out tubing permanently putinplace can easily wiped completely off clean rag soaked alcohoL squeeze bottle methyl alcoholas used giow fuelis always workbench comes handily situations like Rubbing alcohol will work just well Keep cards letters coming
Edition: Model Aviation - 1979/09
Page Numbers: 48, 116, 117
DAVE FALKENHAGEN Edina Minne sota sent sketch engine shutoff arrange ment used Sport Scale Clipped Wing Cub 3rd 78 Nats Dave uses G-S Products 3-line belicrank handle combina tion worked out shutoff arrangement follows First back off carburetor idle stop screw does come play before carburetor barrel completely closes con struct three separate control lines up down throttle attach model handle normally would achieve full range throttle movement available carburetor Dont worry about shut-off factor stage just sure control handle can fully open close engines carb After has satisfactorily achieved test run engine control system completed laid out Have assist ant operate control handle bring carbs idle stop screw back play hold desired safe low speed setting Next shut off engine hold throttle finger carb closed position against stop screw assist ant uses pencil mark top handle exact position top lever doing control lines must pulled tight man handle must putting pressure trigger top lever Let move position dictated holding carb closed against idle stop screw Make mark handle back edge top lever anything error slightly forward faster idle position Screw and/or Hot Stuff piece sheet plastic kind marked location Now bring top lever back low throttle position plastic should doing job engines idle stop screw So point should back idle stop screw completely out play again good restart engine recheck idle speed handle lever against plastic stop will probably slightly fast since errored fast side So take X-acto knife assistant holding model trim little bit plastic away time fine tune idle speed exactiy what want Since plastic stop isnt removable shut off engine simply reach out front handle squeeze top bottom elevator control lines towards other will close carburetor past safe idle point kill engine Ready-Made Scale Props may recall several occasions past including last month have mentioned important good static display prop successfully creating convincing miniature replica full-scale aircraft past column particular July 1978 dealt almost exclusively modifing stock commercial wood prop satisfactory Sport Scale display prop dont think such modification suitable particular model arent inclined carve exact duplicate scratch might consider other alternative know Keeler Propellers 572 Deodara Vacaville ENGINE SHU TOFF SPEED POSITION CA 95688 business manufacturing authentic scale model propellers Naturally props static display cannot used flying send price specification list will find have stock two- three four-bladed props almost current WW2 scale kits market Some come detailed prop hub appropriate Continued page 116 G-S J-Roberts Control Handle K SQUEEZE TOP AND BOTTOM LINES TOGETHER TO KILL ENGINE 48 Model Aviation Black fuel tubing can used duplicate coaming found around almost open-style cockpits Text explains steps hints easy installation Both photographs author oampie scaie moocH aisplay props manufactured Keeler Propellers top isa cast-resin two bladed Hamilton Standard type Bottom hand-carved isminated wood WW style Both sold ready-to-paint install display intended flight NNOUNCINGThe New Instant-Dry f Adhesive Process K Ffl ToSheetFoam Wing Cores new product Corefilm replaces using white glue epoxy contact cement sheeting foam wing cores Corefilm rough thin lightweight mylar tape has ooated both sides contact adhesive Corefilm ready instant use After oovering wing core 11/2 strips corefilm remove paper backing set plywood balsa sheeting material place press foam core bond instant Corefilm flight tested gliders power ships tough mylar film provides strapping tape effect both top bottom has proven desirable superior quality Corefilm comes 1% wide 36 yard rolls roll will cover over 1900 sq 13 sq dealer direct Write brochure complete line BILL 19216 Calvert Street Reseda CA213/344-6391 Quiet Power -Tatone Makes new super quiet K&B 40 R/C muffler requires machined fit exhaust stack cover Easy no exhaust plugs fittings adaptors Muffler exposed holes Just bolt on.thats itl Will reduce noise 10 12 decibels little no loss rpms Noise cancelled interposing sound waves eRadi cal free flow expansion chamber angled blow exhaust away fuselage attach provision pressure fitting Also available ENYA 29 35 40 45 OS MAX 30 35 40 SUPER TIGRE 021 35 46 Add $100 extra above engines specify type Mounting strap screw included $1295 No 306 Add $125 postage handling CA residents add 6% tax Dealer inquiries 1931 Gee Bee Super Spo1Scale General Arrange-I - ment Drawing Catalog 25c W T Bill Given MODERNISTIC MODELS PO BOX 6974 ALBUQ NM 87197 little higilpoints design philosophy resulted Imitation say plane success would unfair understatement facts respects best flying plane have flown terms tight precise corners has few peers experimental features tested Imitation successful results now being incorporated new competition ship Excitation Because relative ease construc tion Imitation should reasonable project builder few profiles under belt Due ts outstanding flying capabilities perfect selection contest machine beginners GET ORGANIZED set 4 st.d ties 00kM Osr 4 years yes taole II eragazeres 4 MAO FILES $495 Seod 5496 pMe $1 00 postage wd taneag DaM iwnuemma PO Box 3M-K DOVER NH 00000 advanced fliers Any builder desires far better average plane practice impressive Sunday barnstorming ought take close look Continued Suggested Reading Fundamentals Aircraft FlightFred erick K Teichmann Hayden Book Co Inc Rochelle Park NJ Aerodynamics forNavalA viatorsIssued Office Chief Naval Opera tions Aviation Training Division Primar ily Chapter Pages 1 through 95 FLY SAFELY CL Speed/Hempel continued tram page 47 eral Speed supplies Rossi engine parts John Newton 2154 Los Padres Drive Rowland Heights CA 91748 lane parts Chuck Schuette-design asymmetric sidewinder Questions concerning article FAI Speed general may addressed Charles Lieber 725 Signal Light Rd Moorestown NJ 08057 Gene Hempel 301 North Yale Dr GarlantL TX 77459 CL Scale/Gretz continued page 48 authentically contoured spinners available parts castof gray epoxy resin ready-to-paint no priming extensive sanding required samples saw ap peared very accurately researched duplicated displayed excellent workmanship Also available firm hand-carved laminated wood scale props suitable WWl vintage kits market also come ready-to-finish include metal hub plates scratch-builders Keeler will make custom props either cast resin wood providing can furnish adequate scale documenta don should include diameter fullsize prop photos drawings possible materials will returned upon completion prop RingAroundthe. Cockpitl oldest tricks scale modeling book using fuel line tubing simulate padded edging normally found around rim open cockpits vintage full-scale aircraft com monly referred cockpit coaming building CL Sport Scale PT-i 9 became reacquainted familiar technique jotted down few notes may interest coaming around cockpits actual full-size PT-19 duplicating made padded black leather type typical older open cockpit aircraft may find some homebuilt types today will have foam rubber edging case need find brand tubing has right diameter wall thickness give correct degree size roundness found some W ID IA OD black neoprene rubber tubing formerly marketed VECO looked just right 10 feet away 1/6th scale modeL After finish complete used sharp #11 X-acto knife cut cockpit openings final shapeThen flat black anti-glare panel painted dry cut piece tubing cockpit slightly longer figure actually needed Use sharp blade again cut through tubing lengthwise along side can opened up slipped over cockpit edge trial fit tubing model first time glue Start end very carefully go way around making certain tubing isflrinly pushed up against balsa edge before cutting itto final length youre completely satisfied will fit desired take off mix up batch slow drying overnight epoxy glue Use piece wire work epoxy inside tubing Slip tubing back place model use plenty pins secure balsa cockpit until glue dries tubing using necessary push pins firmly withdraw just slightly holding tubing back fingers avoid leaving permanent dimple tubing after epoxy 116 Model Aviation Mike Gretz Box 162 Montezuma IA 50171 CL Navy Carrier/Perry continued page 49 clarification arrested landing definitions scale bonus points Profile CLCB will voting rules about month Sep tember 1 care about event owe yourself let CLCB representative know feelings Carrier issues up voting definitely favor scale-like Profile models case havent already reached conclusion reading previous columns Ive tried give equal time worthy non-scale models welL such model Bill Reynolds Tuborg H pictured month Bill top Profile fliers Daytons Buzzin Buzzards club Tuborg II uses flaps ailerons its 310sq-in wing has fixed leadouts stab although smaller Profile models has long moment arm quite adequate well-balanced model Rectangular wing planform minimum fuselages models like Tuborg II allow simplified light weight construction potential improved performance over heavier scale-like Profiles Bill uses ne Supertigre ST 35 engine has standard Profile Carrier quite previous discussions converting exist ing sport CL kits scale-like Profile models Ive never mentioned details establish proper outlines fuselage tail wing tips must often modified after kit selected provide proper wing shape match prototype Although accuratelyscaled outlines great require some effort develop sometimes dont look exactly right because flat fuselages Profile models Roger Edwards suggestion sketch outlines regard accuracy dimensions make adjustments neces sary until drawing looks right method artistic technicalis easy yet still provides realism desired model month have yet another obscure carrier prototype Handley Page model HP-21 US Navy HPS-l delivered 1923 proto type shipboard fighter Its advanced design consisted plywood wings fuselage much attention streamlining clean mono plane unusual era externally-braced fabric-covered biplanes could reach 145 mph 230 hp Its significant feature wing carried full-span flaps leading edge slats allowed landing speed 44 mph spite its design features Navy cancelled its order HPS- 1 after receiving first aircraft no others built Richard L Perry 5016 Angelita Ave Day ton OH 45424 reed about Model Aviation writing advertisers mention banging around corners allowing time recover speed between corners intersections within maneuver should help smooth out overall flight plane Lengthening lines will slow plane down will give room maneuvers should help smooth out flight plane starting out trim plane itis good idea make up three sets lines instance 35 size airplane try 58- 595- 605-foot lines Remember turns out shorter length best can cut longer ones size wing has pronounced warp wish remove best method Ive seen wrap wing cloth towels hot possible damp Keeping sharp lookout paint starts get loose starts lift block wing warp over-compensated about 14 let dry take towels off before blocking up should spring place after thorough ly drying come out about right Dont expect first soaking work perfectly may have repeat process after observing plane level flight wing high low flap tweaking doesnt work flaps wont bend danger breaking flap horn need put small tab wing flap made balsa tin can stock aluminum may want slit trailing edge wing flap insert tab soit looks pretty much built Remember can wonders performance airplane changing September1979 117 hardens neat possible tiymg get CL Aerobatics/Paul epoxy over ouside tubing continued page 50 airplane Some glue bound ooze out tubing permanently putinplace can easily wiped completely off clean rag soaked alcohoL squeeze bottle methyl alcoholas used giow fuelis always workbench comes handily situations like Rubbing alcohol will work just well Keep cards letters coming