IL H OLD TIMER KITS Full Partial Kits P & S Semi-Kits Parts Machine Cut 1045 Sail Plane Comet 70 Puw &Stab plan $3450 1030 Mercury Scientific 72 Plan Extra $1750 1035 Miss America Scientific 04 Plan Emt$2000 Plans-S/P Wing $300 Mere $400 Mias $400 ryro Models--Full Kit-- 40 Engines 1936 Turner Special 04 Span Cabin $5306 Midway Model Co --Full Kila-- 10 20 Lag 1030 Powerhouse Taibi 50 Span $3506 1041 Air Trails Sportater 50 Span $3506 Coming soon Midway--OSO Replica kits former ly frost Micro Models-12 designs--See Future Ads & R Models-Full Kits--OlO Replica 1042 Brooklyn Dodger 33 Span $1305 1041 Strato Streak 32 Spap $1305 4Ks Models--Full Kits--Gao Rubber 1040 Busoard Bombohefl 72 20- 40 Gas $4705 1930 Korda Wakefield 44 Span Rubber $1305 Micro Models--Full Kit-- 10 20 Engines 1940 Pasther Peerless 46 Span $2705 PESO FLIGHT KITS Gas Rubber C02 Curiss Pusher 11012 B/N Models 70 CD1 $906 Lincoln Beachey KIN Models 26 010/CO2 $806 Tornado Jeten Competition Gas $1395 Curtiss Robin Hi Flier 10 Span Rubber $270 Curtisa Jenny JN4-02 Sterling 32 Gas/Rub $1255 Currie SOT Moorehoose Peanut Scale $205 FuELS ETC Products Aero Dyne Ignition Fuel High Octane5420/qt $1200/gal Ignition Fuel Low Octane$375/t4 $1040/gal Diesel Poet Slondard Blend $2 SO/pt $440/qt Diesel Poet Break Blend $20O/pt $44S/qt Iligh Nitro FocI 65% N/leo $006/pt $t64S/qt Nitrate Dope $2OS/pt $420/qt 5050/gal Nitrate Thinner$2OO/pt $30S/qt $600/gal Spark Plug--NOR CM-6 Relhread 2/0-24 $250 ELECTRIC SYSTEMS AND KITS Astro 020 pp Sys Wired $20 OSISPECIALaCo 022461 Astro OS System Wired $5005SPECtALeaea $4456 Astro 05 Prop Reduction Drive Onit $1706 Porterftetd Collegiate 67 $54 05SPECIALCCC $43 061 Quiet Revolution Book $S01SPECIALC$4061 Shipping Handling Send $100 latest Op $1500 add $150 catalogue copy $1501 $4000 add $200 mill sent free $4001 $6000 add $250 upon request over $6000 add $300 order Calif Addressees add 65 HOBBY HORN State sales tax Send shobby specialties MO Check Visa/NC PO Boa 3006 COD t Seal Beach Ca 90700 10714 000-0223 Recorder Postage Feeactivates after 6 rings HIPERBI PE 40-45 Setters te thedditer letters will carefully considered general interest used Send Model Aviation 815 15th St NW Washington DC 20005 Mighty Dakota Just very belated Dote say thanks Northwest Dakota finally got around building Copy As youngster flew fathers Dakota 1957 bought kit Los Alamitos Nats 1967 Though never got chance fly built always loved looks bird took long look yours made whole bunch changes First added radio Next converted nose back original inverted engine version Now Dakota remembered wasnt enough built center section wing lowered dihedral added spruce spars good friend Cox Hobbies built up single port 09 please send plans Lightning Bug possible plans plane have designed Miss America like very much Stephen Bianco 48 Anna Capri Dr Hamilton Ontario Canada L8W 1M6 7fh grade student deep AC would seem should help him Lightning Bug 010 AC designed editorfor Jetco Miss America %A persion cooked up Scientfic ye editor doesnt haveplans would love haveprintsforold time sakes have help Stephen both good flying machines full address givenplease dont ask us forward anythingalligators up ears Inquisitive Mind throttle sleeve use too motor turns 10000 tops will idle day 4000 rpm As free-flighter will tell weighs 21 ozs TRUE didnt need power just nose weight model flies better trainer ever invented wont stall spin anything nasty find myself doing flybys after oth er just watch model go isnt enough Dakota will thermal easily too Last Sunday after running out fuel bird blundered some lift would have flown out sight bad let say Im satisfied understatement enclosed picture doesnt justice just shows us RCers like simple stuff too Randy Wrisley Santa Ana CA 92701 Randy addressed designer Clarence Haught MA plan scale-up Veco Dumas all-wood Dakota Joe Wagner origi nal designer flew years ago kids did too Randy has shown us plans 6ft RC hes cooking up Kitted during late forties Dakota kind ofghost rider sky havent seen end longshot Deserving Case own one-channel radio control glider has wingspan six feet havent flown yet hope fly summer Im grade seven student school called Venerable Kateri Tekakwitha isnt trouble could short letter Mr George Clapp arose interest having experienced same problem described relative ineffective ailerons flat bottom airfoils however didnt grasp solution based upon photo accom panying words Would kind enough send simple sketch collector installation Bob Dittiner Huntington Beach CA Aileron Collectors few words beginners ailerons effectiveness directly related amount dihedral wing wings position aircraft high wing aircraft such Spook has pendulum action heLps tjse effectiveness dihedral dihedral ailerons the dihedral fights ailerons lateral control Also pressure distribution flat bottom airfoil equal top bottom symmetrical airfoil wing sometimes causes enough drag lowered aileron flat bottom wing make aircraft turn opposite direction rudder isnt added simul taneously some cases tail mo ment arm short rudder area isnt large enough adding rudder wont help much collectors means getting ailerons function better wing already built perhaps too much dihedral poorly designed ailerons action collectors see sketch produce drag up aileron equal less drag down aileron also has benefit gathering air compressing jetted out between aileron collector forward projecting wire lead weight front published pic has nothing collectors static balancer Continued page 126 12 Model Aviation F Stiui CP U5RED 35- 45SPORTSMAN 1-73 35-45 MASTER-KIT 3628 Maine Quincy IL 62301 summary use optical sizing can save time minimize tedious computations offer shortcut production new designs add useful items modelers bag tricks Source List Proportional dividers scaling devices proportion wheels may obtained engineering equipment suppliers large art supply outlets Photostats offered some blueprint firms printing establishments Consult tele phone book Yellow Pages listings Camera supply stores can provide information single-lens reflex cameras slide mounts slide projectors Often used equipment avail able reasonable prices some firms offer rental equipment Opaque projectors stocked large art supply houses some toy stores may also ordered mail Please note because economic conditions prices availability may have changed since list compiled stamped addressed envelope sent sup pliers should provide current information Edmund Scientific Co 1888 Edscorp Building Barrington NJ 08007 Build Opaque Projectors fferent designs $150 Deluxe Opaque Projector * 80217 6 s 6 copy area two 200-watt bulbs cooling fan $8995 Imported west German Opaque Projector * 72443 5 area 150-watt quartz halogen lamp cooling blower $22995 $150 service handling Edmund Scientific orders Foster-Treat Inc Dept 4500-D Larchmonl NY 10538 Episcope Projector Made Italy Hi-intensity projection bulb 3 3 copy area $1195 plus 95 shipping handling Johnson Smith Company 35075 Automation Drive Ms Clemens MI 48043 Pantograph 25 different ratios # 6882 $795 plus $129 shipping handling Opaque Projector 3 x 4 copy area # 6007 $1095 plus $169 shipping handling graphs well drawings example insignia markings may projected directly upon construction drawings save time improve accuracy duplication Word About Drawings Although bit outside mainstream article Seems appropriate mention subject 3-views general First off high percentage contain errors sort another may have caused faulty reference information faulty perception drafting errors carelessness guess-work Additional distortions sometimes occur during reproduction processes Whether reasons discrepancies will greatly magnified drawings enlarged case sport stand-off type model may unimportant However serious scale model such problems may unacceptable Therefore pays check veracity 3view drawing advance enlarging Com pare length fuselage top view side view etc printed specifications available check against drawing conformity Dont however overlook possi bility typographical other mistakes written information Any inconsistencies need resolved correction perhaps selection alternative 3-view drawing before man-hours have invested enlargements Drawings should also compared photo graphs subject aircraft being careful allow misleading effects perspective unusual lighting photos available better chances arriving correct con clusions Vein Clements long-time scale modeler puts way comparing various drawings accuracy believe photo graphs Benno Sabel expert German technical artist model designer expresses opinion better refer photos technical drawings 3-views Forewarned forearmed Once have enlargement may overlaid drafting vellum tracing paper mylar drafting film basic drafting tools such T-square triangles french curves may employed making clean tracing eliminate free-hand drawing wiggles incorporate needed corrections remains design model structure may seem formidable task first reference published plans similar subjects will help point down path success After have three four such designs under belt may find designing operation satisfying building Powerful Enlarger Projector 400 watts heavy-duty motor fan 6 6 copy area * 6025 $8995 plus $200 shipping handling F 0 Kees Mfg Co Beatrice NB 68310 Postoscope Display Artists Projector Model E 6 6 copy area two 100-watt bulbs Send current price LETTERS continued page 12 correct aileron flutter Spook also suffered lead cant change directions fast aileron can flutter thus dampening flutter Spook now has completely rebuilt freize type ailemns Down thrust has removed wing symmetrical airfoil tail moment has extended 4 inches vertical fin area has reduced thrust wing incidence stabilizer incidence zero degrees George Clapp Central Square NY asked George Clapp fill us 126 Model Aviation IN STOCK FOR IMMEDIATE SHIPMENT QUADRAS $8995 Introducing Ceverites First Kit Fabulous Dealer write Coerite 420 Babylon Rd Horsham PA 19044 QUADRA REPAIR- $1000 plus parts Jim Messers ERCOUPE KIT- $19995* Concepts BIG FLEET KIT- $17995* Barklcys TIGER MOTH KIT- $22995* *Cincludes FREE Du-Bro Wheels /4-SCALE PLANS FOR QUAD RAt ERCOUPE SKYBOLT- $2000 Ca SUPER STEARMAN- $495 ZINGER & TOP FLITE PROPS- 10% off BALSA & SPRUCE sIzes- 45% off COCKPIT KIT Ercoupe- $1500 Stearman $1800 Fleet- $1800 RADIAL ENGINESfor Fleet- $3000 COVERITE 15 rolls- 20% off 24-Hour Service . Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706 collectors run entire length ailerons placed tips leveragelonger would still effective Dimensions X ron chord X B Gap C Collector thickness 12% X D Overlap collector 15% X Drawn used Clapps Spook sketch caption should make everything clear urge read care precisely what saiddont jump conclusions Loathes Pushbutton Aerobatics have RC about 10 years now have really enjoyed great hobby Im mostly sport flier occasional contest wrote letter because have become some what disappointed developments RC pattern flying used whole idea RC aerobatics pilot hisher model perform given set aerobatic maneu vers show well pilot able control hisher plane various attitudes pattern first introduced AMA rule book radio systems primitive todays standards devel opment more sophisticated radios especially proportional control RC pilot able produce rounder loops better eights slow rolls boon pattern pilot well other types RC applications However now seems advent pro grammable RC equipment gradually moving away human element say seems button just about stunts AMA rule book What chance does person have doing slow roll regular proportional system opposed someone just has push button Chances us would vote guygal button hisher transmitter full-scale aerobatics judges would never allow computer controlled aircraft type contest would computer doing flying instead pilot pilot would along ride less babysitter what stunt flying about What boils down tinue have more automated flying say ourselvesIam pilot. 2 Blade Tractor 53each 54s~354SOc 6364SOc 747678Nc 84868870c 9-7 needs 11411-8118 *1 12412-512-6*132 Blade PasherAT YOUR DEALER 5 3 5-4636-4 Nc 3 Blade Pashe Metallic Aluminum 8688ia 96 0604*13 Dkr l0 aim 18-618-8 $800 20-820-10 $1000 15-6 $500 16 inchers coming SoonI 2541 NE 11th ct Pompano BeachFL 33062 Phone305941-9119 DYNATHRUST PROPS INC Im flying plane would like hear others opinions column Carlos R Grageda Moscow Idaho Imitation would like get ModelAviation magazine October 19791 am interested second part article designing IMITATION would also appreciate could give some information designing books stunt model airplane Control Line RIC may get books Correct us Wwe wrong dont know stunt books although PAMPA v Stunt News its accumulated technical coverages would constitute book Wynn Paul Aero batics columnist address end column subscribe As RC design books well annoy some die hards RCM has series regularly advertised wide choice titles FLY SAFELY GRISI4 LARGE WOOD PROPELLERS HARDWOOD too hard minimizes chance costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/8 BORE ALL SIZES IN 18 57 6 B & 10 PITCH 20 B 22 10 24 13 Electra Lite new powered sail plane 93 wingspan area of8l 0 sq kit features nose block drilled Astro 05 motor Because extremely low wing loading 71 ozIsq ft powered thermal performance outstanding total flying weight 40 oz kit features rolled plans clear canopy machine cut parts hardware will interesting see model flying site product review product review product review July 1980 127 fiornddo PROPELLERS Madeof polyester boil orcolor Go GRISH propeller True helical pitch airfoil win-power Sizes pitches styles JFALED QA 4YLOA/ 4 IL EAOAI 6a4N/c7-/MeI WEEB550L1 Ecra O/L tAEsr od-SeLAP OF COILECrOR - LESS A/LE/40N OLLEcropA 1/lED LW SPOO/ RIGHT HAND TRACTOR NEWSIZE IN 8& 10 PITCH 26 $16 3~I BROS 0 EEWUU ST JOHN INDIANA 46373 INL GET MORE THRUST FOR YOUR BIGGIE WITH EFFICIENT DURABLE GLASSFILLED PROPS FROM DYNA THRUST Designed coniunction Dave Platt Now Direct sales prices shipping COUPLE AILERON AND RUDDER. Simplyqulckly effectively Jomars new electronic module Designed Install between receiver servos 3 wire radio system Neutral rudder stick position allows rudder follow ailerons Moving rudder stick allows uncoupled control SpecIfy positive negative pulse orderIng 4495 2028 KNIGHTSBRIDGE DR CINCINNATI OHIO 4 product review product review product review Luis Morlotera Lite @95 Midnite Models Miami FL 5501 West Como Santa Ana CA92703
Edition: Model Aviation - 1980/07
Page Numbers: 12, 126, 127
IL H OLD TIMER KITS Full Partial Kits P & S Semi-Kits Parts Machine Cut 1045 Sail Plane Comet 70 Puw &Stab plan $3450 1030 Mercury Scientific 72 Plan Extra $1750 1035 Miss America Scientific 04 Plan Emt$2000 Plans-S/P Wing $300 Mere $400 Mias $400 ryro Models--Full Kit-- 40 Engines 1936 Turner Special 04 Span Cabin $5306 Midway Model Co --Full Kila-- 10 20 Lag 1030 Powerhouse Taibi 50 Span $3506 1041 Air Trails Sportater 50 Span $3506 Coming soon Midway--OSO Replica kits former ly frost Micro Models-12 designs--See Future Ads & R Models-Full Kits--OlO Replica 1042 Brooklyn Dodger 33 Span $1305 1041 Strato Streak 32 Spap $1305 4Ks Models--Full Kits--Gao Rubber 1040 Busoard Bombohefl 72 20- 40 Gas $4705 1930 Korda Wakefield 44 Span Rubber $1305 Micro Models--Full Kit-- 10 20 Engines 1940 Pasther Peerless 46 Span $2705 PESO FLIGHT KITS Gas Rubber C02 Curiss Pusher 11012 B/N Models 70 CD1 $906 Lincoln Beachey KIN Models 26 010/CO2 $806 Tornado Jeten Competition Gas $1395 Curtiss Robin Hi Flier 10 Span Rubber $270 Curtisa Jenny JN4-02 Sterling 32 Gas/Rub $1255 Currie SOT Moorehoose Peanut Scale $205 FuELS ETC Products Aero Dyne Ignition Fuel High Octane5420/qt $1200/gal Ignition Fuel Low Octane$375/t4 $1040/gal Diesel Poet Slondard Blend $2 SO/pt $440/qt Diesel Poet Break Blend $20O/pt $44S/qt Iligh Nitro FocI 65% N/leo $006/pt $t64S/qt Nitrate Dope $2OS/pt $420/qt 5050/gal Nitrate Thinner$2OO/pt $30S/qt $600/gal Spark Plug--NOR CM-6 Relhread 2/0-24 $250 ELECTRIC SYSTEMS AND KITS Astro 020 pp Sys Wired $20 OSISPECIALaCo 022461 Astro OS System Wired $5005SPECtALeaea $4456 Astro 05 Prop Reduction Drive Onit $1706 Porterftetd Collegiate 67 $54 05SPECIALCCC $43 061 Quiet Revolution Book $S01SPECIALC$4061 Shipping Handling Send $100 latest Op $1500 add $150 catalogue copy $1501 $4000 add $200 mill sent free $4001 $6000 add $250 upon request over $6000 add $300 order Calif Addressees add 65 HOBBY HORN State sales tax Send shobby specialties MO Check Visa/NC PO Boa 3006 COD t Seal Beach Ca 90700 10714 000-0223 Recorder Postage Feeactivates after 6 rings HIPERBI PE 40-45 Setters te thedditer letters will carefully considered general interest used Send Model Aviation 815 15th St NW Washington DC 20005 Mighty Dakota Just very belated Dote say thanks Northwest Dakota finally got around building Copy As youngster flew fathers Dakota 1957 bought kit Los Alamitos Nats 1967 Though never got chance fly built always loved looks bird took long look yours made whole bunch changes First added radio Next converted nose back original inverted engine version Now Dakota remembered wasnt enough built center section wing lowered dihedral added spruce spars good friend Cox Hobbies built up single port 09 please send plans Lightning Bug possible plans plane have designed Miss America like very much Stephen Bianco 48 Anna Capri Dr Hamilton Ontario Canada L8W 1M6 7fh grade student deep AC would seem should help him Lightning Bug 010 AC designed editorfor Jetco Miss America %A persion cooked up Scientfic ye editor doesnt haveplans would love haveprintsforold time sakes have help Stephen both good flying machines full address givenplease dont ask us forward anythingalligators up ears Inquisitive Mind throttle sleeve use too motor turns 10000 tops will idle day 4000 rpm As free-flighter will tell weighs 21 ozs TRUE didnt need power just nose weight model flies better trainer ever invented wont stall spin anything nasty find myself doing flybys after oth er just watch model go isnt enough Dakota will thermal easily too Last Sunday after running out fuel bird blundered some lift would have flown out sight bad let say Im satisfied understatement enclosed picture doesnt justice just shows us RCers like simple stuff too Randy Wrisley Santa Ana CA 92701 Randy addressed designer Clarence Haught MA plan scale-up Veco Dumas all-wood Dakota Joe Wagner origi nal designer flew years ago kids did too Randy has shown us plans 6ft RC hes cooking up Kitted during late forties Dakota kind ofghost rider sky havent seen end longshot Deserving Case own one-channel radio control glider has wingspan six feet havent flown yet hope fly summer Im grade seven student school called Venerable Kateri Tekakwitha isnt trouble could short letter Mr George Clapp arose interest having experienced same problem described relative ineffective ailerons flat bottom airfoils however didnt grasp solution based upon photo accom panying words Would kind enough send simple sketch collector installation Bob Dittiner Huntington Beach CA Aileron Collectors few words beginners ailerons effectiveness directly related amount dihedral wing wings position aircraft high wing aircraft such Spook has pendulum action heLps tjse effectiveness dihedral dihedral ailerons the dihedral fights ailerons lateral control Also pressure distribution flat bottom airfoil equal top bottom symmetrical airfoil wing sometimes causes enough drag lowered aileron flat bottom wing make aircraft turn opposite direction rudder isnt added simul taneously some cases tail mo ment arm short rudder area isnt large enough adding rudder wont help much collectors means getting ailerons function better wing already built perhaps too much dihedral poorly designed ailerons action collectors see sketch produce drag up aileron equal less drag down aileron also has benefit gathering air compressing jetted out between aileron collector forward projecting wire lead weight front published pic has nothing collectors static balancer Continued page 126 12 Model Aviation F Stiui CP U5RED 35- 45SPORTSMAN 1-73 35-45 MASTER-KIT 3628 Maine Quincy IL 62301 summary use optical sizing can save time minimize tedious computations offer shortcut production new designs add useful items modelers bag tricks Source List Proportional dividers scaling devices proportion wheels may obtained engineering equipment suppliers large art supply outlets Photostats offered some blueprint firms printing establishments Consult tele phone book Yellow Pages listings Camera supply stores can provide information single-lens reflex cameras slide mounts slide projectors Often used equipment avail able reasonable prices some firms offer rental equipment Opaque projectors stocked large art supply houses some toy stores may also ordered mail Please note because economic conditions prices availability may have changed since list compiled stamped addressed envelope sent sup pliers should provide current information Edmund Scientific Co 1888 Edscorp Building Barrington NJ 08007 Build Opaque Projectors fferent designs $150 Deluxe Opaque Projector * 80217 6 s 6 copy area two 200-watt bulbs cooling fan $8995 Imported west German Opaque Projector * 72443 5 area 150-watt quartz halogen lamp cooling blower $22995 $150 service handling Edmund Scientific orders Foster-Treat Inc Dept 4500-D Larchmonl NY 10538 Episcope Projector Made Italy Hi-intensity projection bulb 3 3 copy area $1195 plus 95 shipping handling Johnson Smith Company 35075 Automation Drive Ms Clemens MI 48043 Pantograph 25 different ratios # 6882 $795 plus $129 shipping handling Opaque Projector 3 x 4 copy area # 6007 $1095 plus $169 shipping handling graphs well drawings example insignia markings may projected directly upon construction drawings save time improve accuracy duplication Word About Drawings Although bit outside mainstream article Seems appropriate mention subject 3-views general First off high percentage contain errors sort another may have caused faulty reference information faulty perception drafting errors carelessness guess-work Additional distortions sometimes occur during reproduction processes Whether reasons discrepancies will greatly magnified drawings enlarged case sport stand-off type model may unimportant However serious scale model such problems may unacceptable Therefore pays check veracity 3view drawing advance enlarging Com pare length fuselage top view side view etc printed specifications available check against drawing conformity Dont however overlook possi bility typographical other mistakes written information Any inconsistencies need resolved correction perhaps selection alternative 3-view drawing before man-hours have invested enlargements Drawings should also compared photo graphs subject aircraft being careful allow misleading effects perspective unusual lighting photos available better chances arriving correct con clusions Vein Clements long-time scale modeler puts way comparing various drawings accuracy believe photo graphs Benno Sabel expert German technical artist model designer expresses opinion better refer photos technical drawings 3-views Forewarned forearmed Once have enlargement may overlaid drafting vellum tracing paper mylar drafting film basic drafting tools such T-square triangles french curves may employed making clean tracing eliminate free-hand drawing wiggles incorporate needed corrections remains design model structure may seem formidable task first reference published plans similar subjects will help point down path success After have three four such designs under belt may find designing operation satisfying building Powerful Enlarger Projector 400 watts heavy-duty motor fan 6 6 copy area * 6025 $8995 plus $200 shipping handling F 0 Kees Mfg Co Beatrice NB 68310 Postoscope Display Artists Projector Model E 6 6 copy area two 100-watt bulbs Send current price LETTERS continued page 12 correct aileron flutter Spook also suffered lead cant change directions fast aileron can flutter thus dampening flutter Spook now has completely rebuilt freize type ailemns Down thrust has removed wing symmetrical airfoil tail moment has extended 4 inches vertical fin area has reduced thrust wing incidence stabilizer incidence zero degrees George Clapp Central Square NY asked George Clapp fill us 126 Model Aviation IN STOCK FOR IMMEDIATE SHIPMENT QUADRAS $8995 Introducing Ceverites First Kit Fabulous Dealer write Coerite 420 Babylon Rd Horsham PA 19044 QUADRA REPAIR- $1000 plus parts Jim Messers ERCOUPE KIT- $19995* Concepts BIG FLEET KIT- $17995* Barklcys TIGER MOTH KIT- $22995* *Cincludes FREE Du-Bro Wheels /4-SCALE PLANS FOR QUAD RAt ERCOUPE SKYBOLT- $2000 Ca SUPER STEARMAN- $495 ZINGER & TOP FLITE PROPS- 10% off BALSA & SPRUCE sIzes- 45% off COCKPIT KIT Ercoupe- $1500 Stearman $1800 Fleet- $1800 RADIAL ENGINESfor Fleet- $3000 COVERITE 15 rolls- 20% off 24-Hour Service . Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706 collectors run entire length ailerons placed tips leveragelonger would still effective Dimensions X ron chord X B Gap C Collector thickness 12% X D Overlap collector 15% X Drawn used Clapps Spook sketch caption should make everything clear urge read care precisely what saiddont jump conclusions Loathes Pushbutton Aerobatics have RC about 10 years now have really enjoyed great hobby Im mostly sport flier occasional contest wrote letter because have become some what disappointed developments RC pattern flying used whole idea RC aerobatics pilot hisher model perform given set aerobatic maneu vers show well pilot able control hisher plane various attitudes pattern first introduced AMA rule book radio systems primitive todays standards devel opment more sophisticated radios especially proportional control RC pilot able produce rounder loops better eights slow rolls boon pattern pilot well other types RC applications However now seems advent pro grammable RC equipment gradually moving away human element say seems button just about stunts AMA rule book What chance does person have doing slow roll regular proportional system opposed someone just has push button Chances us would vote guygal button hisher transmitter full-scale aerobatics judges would never allow computer controlled aircraft type contest would computer doing flying instead pilot pilot would along ride less babysitter what stunt flying about What boils down tinue have more automated flying say ourselvesIam pilot. 2 Blade Tractor 53each 54s~354SOc 6364SOc 747678Nc 84868870c 9-7 needs 11411-8118 *1 12412-512-6*132 Blade PasherAT YOUR DEALER 5 3 5-4636-4 Nc 3 Blade Pashe Metallic Aluminum 8688ia 96 0604*13 Dkr l0 aim 18-618-8 $800 20-820-10 $1000 15-6 $500 16 inchers coming SoonI 2541 NE 11th ct Pompano BeachFL 33062 Phone305941-9119 DYNATHRUST PROPS INC Im flying plane would like hear others opinions column Carlos R Grageda Moscow Idaho Imitation would like get ModelAviation magazine October 19791 am interested second part article designing IMITATION would also appreciate could give some information designing books stunt model airplane Control Line RIC may get books Correct us Wwe wrong dont know stunt books although PAMPA v Stunt News its accumulated technical coverages would constitute book Wynn Paul Aero batics columnist address end column subscribe As RC design books well annoy some die hards RCM has series regularly advertised wide choice titles FLY SAFELY GRISI4 LARGE WOOD PROPELLERS HARDWOOD too hard minimizes chance costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/8 BORE ALL SIZES IN 18 57 6 B & 10 PITCH 20 B 22 10 24 13 Electra Lite new powered sail plane 93 wingspan area of8l 0 sq kit features nose block drilled Astro 05 motor Because extremely low wing loading 71 ozIsq ft powered thermal performance outstanding total flying weight 40 oz kit features rolled plans clear canopy machine cut parts hardware will interesting see model flying site product review product review product review July 1980 127 fiornddo PROPELLERS Madeof polyester boil orcolor Go GRISH propeller True helical pitch airfoil win-power Sizes pitches styles JFALED QA 4YLOA/ 4 IL EAOAI 6a4N/c7-/MeI WEEB550L1 Ecra O/L tAEsr od-SeLAP OF COILECrOR - LESS A/LE/40N OLLEcropA 1/lED LW SPOO/ RIGHT HAND TRACTOR NEWSIZE IN 8& 10 PITCH 26 $16 3~I BROS 0 EEWUU ST JOHN INDIANA 46373 INL GET MORE THRUST FOR YOUR BIGGIE WITH EFFICIENT DURABLE GLASSFILLED PROPS FROM DYNA THRUST Designed coniunction Dave Platt Now Direct sales prices shipping COUPLE AILERON AND RUDDER. Simplyqulckly effectively Jomars new electronic module Designed Install between receiver servos 3 wire radio system Neutral rudder stick position allows rudder follow ailerons Moving rudder stick allows uncoupled control SpecIfy positive negative pulse orderIng 4495 2028 KNIGHTSBRIDGE DR CINCINNATI OHIO 4 product review product review product review Luis Morlotera Lite @95 Midnite Models Miami FL 5501 West Como Santa Ana CA92703
Edition: Model Aviation - 1980/07
Page Numbers: 12, 126, 127
IL H OLD TIMER KITS Full Partial Kits P & S Semi-Kits Parts Machine Cut 1045 Sail Plane Comet 70 Puw &Stab plan $3450 1030 Mercury Scientific 72 Plan Extra $1750 1035 Miss America Scientific 04 Plan Emt$2000 Plans-S/P Wing $300 Mere $400 Mias $400 ryro Models--Full Kit-- 40 Engines 1936 Turner Special 04 Span Cabin $5306 Midway Model Co --Full Kila-- 10 20 Lag 1030 Powerhouse Taibi 50 Span $3506 1041 Air Trails Sportater 50 Span $3506 Coming soon Midway--OSO Replica kits former ly frost Micro Models-12 designs--See Future Ads & R Models-Full Kits--OlO Replica 1042 Brooklyn Dodger 33 Span $1305 1041 Strato Streak 32 Spap $1305 4Ks Models--Full Kits--Gao Rubber 1040 Busoard Bombohefl 72 20- 40 Gas $4705 1930 Korda Wakefield 44 Span Rubber $1305 Micro Models--Full Kit-- 10 20 Engines 1940 Pasther Peerless 46 Span $2705 PESO FLIGHT KITS Gas Rubber C02 Curiss Pusher 11012 B/N Models 70 CD1 $906 Lincoln Beachey KIN Models 26 010/CO2 $806 Tornado Jeten Competition Gas $1395 Curtiss Robin Hi Flier 10 Span Rubber $270 Curtisa Jenny JN4-02 Sterling 32 Gas/Rub $1255 Currie SOT Moorehoose Peanut Scale $205 FuELS ETC Products Aero Dyne Ignition Fuel High Octane5420/qt $1200/gal Ignition Fuel Low Octane$375/t4 $1040/gal Diesel Poet Slondard Blend $2 SO/pt $440/qt Diesel Poet Break Blend $20O/pt $44S/qt Iligh Nitro FocI 65% N/leo $006/pt $t64S/qt Nitrate Dope $2OS/pt $420/qt 5050/gal Nitrate Thinner$2OO/pt $30S/qt $600/gal Spark Plug--NOR CM-6 Relhread 2/0-24 $250 ELECTRIC SYSTEMS AND KITS Astro 020 pp Sys Wired $20 OSISPECIALaCo 022461 Astro OS System Wired $5005SPECtALeaea $4456 Astro 05 Prop Reduction Drive Onit $1706 Porterftetd Collegiate 67 $54 05SPECIALCCC $43 061 Quiet Revolution Book $S01SPECIALC$4061 Shipping Handling Send $100 latest Op $1500 add $150 catalogue copy $1501 $4000 add $200 mill sent free $4001 $6000 add $250 upon request over $6000 add $300 order Calif Addressees add 65 HOBBY HORN State sales tax Send shobby specialties MO Check Visa/NC PO Boa 3006 COD t Seal Beach Ca 90700 10714 000-0223 Recorder Postage Feeactivates after 6 rings HIPERBI PE 40-45 Setters te thedditer letters will carefully considered general interest used Send Model Aviation 815 15th St NW Washington DC 20005 Mighty Dakota Just very belated Dote say thanks Northwest Dakota finally got around building Copy As youngster flew fathers Dakota 1957 bought kit Los Alamitos Nats 1967 Though never got chance fly built always loved looks bird took long look yours made whole bunch changes First added radio Next converted nose back original inverted engine version Now Dakota remembered wasnt enough built center section wing lowered dihedral added spruce spars good friend Cox Hobbies built up single port 09 please send plans Lightning Bug possible plans plane have designed Miss America like very much Stephen Bianco 48 Anna Capri Dr Hamilton Ontario Canada L8W 1M6 7fh grade student deep AC would seem should help him Lightning Bug 010 AC designed editorfor Jetco Miss America %A persion cooked up Scientfic ye editor doesnt haveplans would love haveprintsforold time sakes have help Stephen both good flying machines full address givenplease dont ask us forward anythingalligators up ears Inquisitive Mind throttle sleeve use too motor turns 10000 tops will idle day 4000 rpm As free-flighter will tell weighs 21 ozs TRUE didnt need power just nose weight model flies better trainer ever invented wont stall spin anything nasty find myself doing flybys after oth er just watch model go isnt enough Dakota will thermal easily too Last Sunday after running out fuel bird blundered some lift would have flown out sight bad let say Im satisfied understatement enclosed picture doesnt justice just shows us RCers like simple stuff too Randy Wrisley Santa Ana CA 92701 Randy addressed designer Clarence Haught MA plan scale-up Veco Dumas all-wood Dakota Joe Wagner origi nal designer flew years ago kids did too Randy has shown us plans 6ft RC hes cooking up Kitted during late forties Dakota kind ofghost rider sky havent seen end longshot Deserving Case own one-channel radio control glider has wingspan six feet havent flown yet hope fly summer Im grade seven student school called Venerable Kateri Tekakwitha isnt trouble could short letter Mr George Clapp arose interest having experienced same problem described relative ineffective ailerons flat bottom airfoils however didnt grasp solution based upon photo accom panying words Would kind enough send simple sketch collector installation Bob Dittiner Huntington Beach CA Aileron Collectors few words beginners ailerons effectiveness directly related amount dihedral wing wings position aircraft high wing aircraft such Spook has pendulum action heLps tjse effectiveness dihedral dihedral ailerons the dihedral fights ailerons lateral control Also pressure distribution flat bottom airfoil equal top bottom symmetrical airfoil wing sometimes causes enough drag lowered aileron flat bottom wing make aircraft turn opposite direction rudder isnt added simul taneously some cases tail mo ment arm short rudder area isnt large enough adding rudder wont help much collectors means getting ailerons function better wing already built perhaps too much dihedral poorly designed ailerons action collectors see sketch produce drag up aileron equal less drag down aileron also has benefit gathering air compressing jetted out between aileron collector forward projecting wire lead weight front published pic has nothing collectors static balancer Continued page 126 12 Model Aviation F Stiui CP U5RED 35- 45SPORTSMAN 1-73 35-45 MASTER-KIT 3628 Maine Quincy IL 62301 summary use optical sizing can save time minimize tedious computations offer shortcut production new designs add useful items modelers bag tricks Source List Proportional dividers scaling devices proportion wheels may obtained engineering equipment suppliers large art supply outlets Photostats offered some blueprint firms printing establishments Consult tele phone book Yellow Pages listings Camera supply stores can provide information single-lens reflex cameras slide mounts slide projectors Often used equipment avail able reasonable prices some firms offer rental equipment Opaque projectors stocked large art supply houses some toy stores may also ordered mail Please note because economic conditions prices availability may have changed since list compiled stamped addressed envelope sent sup pliers should provide current information Edmund Scientific Co 1888 Edscorp Building Barrington NJ 08007 Build Opaque Projectors fferent designs $150 Deluxe Opaque Projector * 80217 6 s 6 copy area two 200-watt bulbs cooling fan $8995 Imported west German Opaque Projector * 72443 5 area 150-watt quartz halogen lamp cooling blower $22995 $150 service handling Edmund Scientific orders Foster-Treat Inc Dept 4500-D Larchmonl NY 10538 Episcope Projector Made Italy Hi-intensity projection bulb 3 3 copy area $1195 plus 95 shipping handling Johnson Smith Company 35075 Automation Drive Ms Clemens MI 48043 Pantograph 25 different ratios # 6882 $795 plus $129 shipping handling Opaque Projector 3 x 4 copy area # 6007 $1095 plus $169 shipping handling graphs well drawings example insignia markings may projected directly upon construction drawings save time improve accuracy duplication Word About Drawings Although bit outside mainstream article Seems appropriate mention subject 3-views general First off high percentage contain errors sort another may have caused faulty reference information faulty perception drafting errors carelessness guess-work Additional distortions sometimes occur during reproduction processes Whether reasons discrepancies will greatly magnified drawings enlarged case sport stand-off type model may unimportant However serious scale model such problems may unacceptable Therefore pays check veracity 3view drawing advance enlarging Com pare length fuselage top view side view etc printed specifications available check against drawing conformity Dont however overlook possi bility typographical other mistakes written information Any inconsistencies need resolved correction perhaps selection alternative 3-view drawing before man-hours have invested enlargements Drawings should also compared photo graphs subject aircraft being careful allow misleading effects perspective unusual lighting photos available better chances arriving correct con clusions Vein Clements long-time scale modeler puts way comparing various drawings accuracy believe photo graphs Benno Sabel expert German technical artist model designer expresses opinion better refer photos technical drawings 3-views Forewarned forearmed Once have enlargement may overlaid drafting vellum tracing paper mylar drafting film basic drafting tools such T-square triangles french curves may employed making clean tracing eliminate free-hand drawing wiggles incorporate needed corrections remains design model structure may seem formidable task first reference published plans similar subjects will help point down path success After have three four such designs under belt may find designing operation satisfying building Powerful Enlarger Projector 400 watts heavy-duty motor fan 6 6 copy area * 6025 $8995 plus $200 shipping handling F 0 Kees Mfg Co Beatrice NB 68310 Postoscope Display Artists Projector Model E 6 6 copy area two 100-watt bulbs Send current price LETTERS continued page 12 correct aileron flutter Spook also suffered lead cant change directions fast aileron can flutter thus dampening flutter Spook now has completely rebuilt freize type ailemns Down thrust has removed wing symmetrical airfoil tail moment has extended 4 inches vertical fin area has reduced thrust wing incidence stabilizer incidence zero degrees George Clapp Central Square NY asked George Clapp fill us 126 Model Aviation IN STOCK FOR IMMEDIATE SHIPMENT QUADRAS $8995 Introducing Ceverites First Kit Fabulous Dealer write Coerite 420 Babylon Rd Horsham PA 19044 QUADRA REPAIR- $1000 plus parts Jim Messers ERCOUPE KIT- $19995* Concepts BIG FLEET KIT- $17995* Barklcys TIGER MOTH KIT- $22995* *Cincludes FREE Du-Bro Wheels /4-SCALE PLANS FOR QUAD RAt ERCOUPE SKYBOLT- $2000 Ca SUPER STEARMAN- $495 ZINGER & TOP FLITE PROPS- 10% off BALSA & SPRUCE sIzes- 45% off COCKPIT KIT Ercoupe- $1500 Stearman $1800 Fleet- $1800 RADIAL ENGINESfor Fleet- $3000 COVERITE 15 rolls- 20% off 24-Hour Service . Add $250 postage Send Bank Check Money Order JIM MESSERS QUALITY MODEL PRODUCTS 106 Valley View DrAllegany NY 14706 collectors run entire length ailerons placed tips leveragelonger would still effective Dimensions X ron chord X B Gap C Collector thickness 12% X D Overlap collector 15% X Drawn used Clapps Spook sketch caption should make everything clear urge read care precisely what saiddont jump conclusions Loathes Pushbutton Aerobatics have RC about 10 years now have really enjoyed great hobby Im mostly sport flier occasional contest wrote letter because have become some what disappointed developments RC pattern flying used whole idea RC aerobatics pilot hisher model perform given set aerobatic maneu vers show well pilot able control hisher plane various attitudes pattern first introduced AMA rule book radio systems primitive todays standards devel opment more sophisticated radios especially proportional control RC pilot able produce rounder loops better eights slow rolls boon pattern pilot well other types RC applications However now seems advent pro grammable RC equipment gradually moving away human element say seems button just about stunts AMA rule book What chance does person have doing slow roll regular proportional system opposed someone just has push button Chances us would vote guygal button hisher transmitter full-scale aerobatics judges would never allow computer controlled aircraft type contest would computer doing flying instead pilot pilot would along ride less babysitter what stunt flying about What boils down tinue have more automated flying say ourselvesIam pilot. 2 Blade Tractor 53each 54s~354SOc 6364SOc 747678Nc 84868870c 9-7 needs 11411-8118 *1 12412-512-6*132 Blade PasherAT YOUR DEALER 5 3 5-4636-4 Nc 3 Blade Pashe Metallic Aluminum 8688ia 96 0604*13 Dkr l0 aim 18-618-8 $800 20-820-10 $1000 15-6 $500 16 inchers coming SoonI 2541 NE 11th ct Pompano BeachFL 33062 Phone305941-9119 DYNATHRUST PROPS INC Im flying plane would like hear others opinions column Carlos R Grageda Moscow Idaho Imitation would like get ModelAviation magazine October 19791 am interested second part article designing IMITATION would also appreciate could give some information designing books stunt model airplane Control Line RIC may get books Correct us Wwe wrong dont know stunt books although PAMPA v Stunt News its accumulated technical coverages would constitute book Wynn Paul Aero batics columnist address end column subscribe As RC design books well annoy some die hards RCM has series regularly advertised wide choice titles FLY SAFELY GRISI4 LARGE WOOD PROPELLERS HARDWOOD too hard minimizes chance costly plane engine damage True pitch airfoil fully finished balanced ready coating 3/8 BORE ALL SIZES IN 18 57 6 B & 10 PITCH 20 B 22 10 24 13 Electra Lite new powered sail plane 93 wingspan area of8l 0 sq kit features nose block drilled Astro 05 motor Because extremely low wing loading 71 ozIsq ft powered thermal performance outstanding total flying weight 40 oz kit features rolled plans clear canopy machine cut parts hardware will interesting see model flying site product review product review product review July 1980 127 fiornddo PROPELLERS Madeof polyester boil orcolor Go GRISH propeller True helical pitch airfoil win-power Sizes pitches styles JFALED QA 4YLOA/ 4 IL EAOAI 6a4N/c7-/MeI WEEB550L1 Ecra O/L tAEsr od-SeLAP OF COILECrOR - LESS A/LE/40N OLLEcropA 1/lED LW SPOO/ RIGHT HAND TRACTOR NEWSIZE IN 8& 10 PITCH 26 $16 3~I BROS 0 EEWUU ST JOHN INDIANA 46373 INL GET MORE THRUST FOR YOUR BIGGIE WITH EFFICIENT DURABLE GLASSFILLED PROPS FROM DYNA THRUST Designed coniunction Dave Platt Now Direct sales prices shipping COUPLE AILERON AND RUDDER. Simplyqulckly effectively Jomars new electronic module Designed Install between receiver servos 3 wire radio system Neutral rudder stick position allows rudder follow ailerons Moving rudder stick allows uncoupled control SpecIfy positive negative pulse orderIng 4495 2028 KNIGHTSBRIDGE DR CINCINNATI OHIO 4 product review product review product review Luis Morlotera Lite @95 Midnite Models Miami FL 5501 West Como Santa Ana CA92703