Editors Note Most scale-like profiles designed maximum aeroba tic ability designers adding wing area altering planform changing airfoil stunt typeusually significant crease thickness tended look like real aircraft design takes fewer liberties therefore com parable so-called scale profile stunt jobs maneuverability Nor wing un sightly because exaggerated thickness bulky looking profile suggests bigger engines say up 29s aware relatively low drag modest wing area flies well 15 probably would quite fast 19 THE TYPHOON originally con ceived replacement Hurricane fighter Its initial planning started peace time start World War II forced building testing program accelerated pace causing development problems first test pilots very critical plane due un derpowered engines structural failures ground engine fires Typhoon designed first com bat heavily armored well-armed longrange fighters Germany reported building Very early its use ever found have no match under 10000 ft 20000 ft very vul nerable enemy fighters thick wing heavy wing loading restricted its use higher altitudes necessary qualities low altitude work Its brute strength heavy load carrying abilities made very stable aiming platform armaments carried Typhoon became tremendous ground attack weapon start Normandy invasion being used pin point attacks against German strong points resistance also against head quarters command posts ap proximately 3300 Typhoons built experts give plane nearly equal credit Spitfire helping Allied cause victory model would 15-powered CL profile version Great Britains renowned Hawker ground-attack fighter World War II U Paul H SchaafJr Painted authentic camoullage pugna cious looking Typhoon makes unique profile fly local sport circles During Nor mandy campaign fighters scourge counterattacking Nazi armor What will look like build big does look eye Displayed au thors son Steven model proves three-dimensional gem can result just two-dimensional planif take care splendid addition collection models tough looks Fuselage fuselage cut t balsa outline body transferred onto wood pushing pin through plans following out line fuselage balsa posi tioned under plans pencil ballpoint pen connect pin holes smoothly outline shape wish cut Use coping saw jigsaw cut around outline After shape sanded smooth add ood doub lers both sides fuselage noting right side has cutout receive motor Make length width cutout fit particular engine plan use Radius ex posed corners body illustrated Drill hole tailwheel assembly Use 7/32 dia drill threadwrapped wire dowel assembly can fit easily hole securely cemented place Rudder Stabilizer Cut parts /8 balsa sheet elevators connected 3/16 dia dowel sanded flat opposite sides /8 thick ness hinges nylon tape cut 1 long control horn nylon RC Note rudder offset plane maintain tension lines Radius edges illustrated Note also stabi lizer has cemented fuselage before rudder can assembled body Wing wing made three sections center panel plus left right outer ones Construct center section first Pin 1/4 sq balsa spar X 1/16 lower trailing edge section posi tion Cement ribs 1 2 3 4A above Rib 1 cut a sheet other ribs cut 1/16 sheet balsa Cement top spar top trail ing edge leading edge above Leave off 1/16 sheet covering until bellcrank landing gear assem bled above Remove center sec tion plans cement securely place ood bellcrank landing gear platforms outer panels constructed identi cal center Pin lower alsa spar 1 X 1/16 lower trailing edge plans Cement ribs 4B 5 6 7 position Rib 4B must angled proper dihedral achieved Add top spar top trailing edge leading edge Add wing tips angled spar top surface tip Before cementing ribs position note inboard ones must have cutout leadout wires eliminate confusion plans cutouts ribs 5 6 shown positions can easily projected use top pencil eraser removed tool make cutouts Cement three sections together maintaining dihedral indicated Add weight outboard wingtip three- 3 nails should suffice Add 2-in bellcrank plus section pushrod long enough meet Dubro Kwik-Link coming stab Add landing gear leadout wires Cover top center section wing 1/16 balsa sheeting sheeting meets center wing sand /2 wide flat have smooth snug fit fuselage wing saddle Cover wing silk Silkspan give two coats clear fuel-proof dope sanding lightly between coats good paintable iron-on covering can also use Super Coverite Landing Gear Tailwheel landing gear bent 3/32 dia music wire two legs wire wrapped ce mented landing gear platforms wing landing gear wing panels cut 1/16 plywood also wire wrapped cemented position Wheels 2 dia retained soldered washers tailwheel strut bent 1/16 dia music wire thread wrapped cemented slots cut section 3/16 dia wood dowel Slot end dowel wire cannot rotate Tailwheel 1 dia held soldered washer entire assembly glued hole drilled rear fuselage Finishing After parts sanded smooth start assembly Cement stab rudder onto fuselage Look carefully see stab level rudder perpendicular Add filler piece rear section stab slot Continued page 91 No matter view Typhoon model has eye appeal Oddly enough hardly looks like just profile Perhaps because Paul Scheaf has designed scale scale-like control-line ships years various magazines color scheme perhaps 28 Model Aviation mounting Cox 15 wedge tank behind standard practice profile installa tions Realistic detailspainted canopy cannon beefy nose gearare exciting cially like Rookie Race comments couple held Southern California few years ago very successful think need couple Rookie Races season Thats month go fast turn left Dave Lane 4477 W 136th St Haw thorne CA 90250 RC Helicopters/Chesney continued page 26 vacant lot may usedbut insure site safe permission use verified AMA Contest Director available enlist help would suggest first meet informal After preliminaries get word out Mail letter AMA chartered club state letter should include date time meet location site map list local motels phone numbers name ad dress phone number Also include brief statement about meet tentions final request everyone pass word waiting date come around prepare quan tity questionnaires handed out meet person attending can requested fill name address phone number AMA number types helicopters flown date comes whether first meet yields club assure will rewarding Dont forget collect some ideas pass Horace ad dress Horace Hagen 15 Parkway Place Red Bank NJ 07701 necessary expert helicopter flier order stimulate local interest fact big benefit state helicopter group will ability communicate problems successes helicopter flying others sharing interest alone can speed progress about retire three-year-old Heli-baby decided experiment stead photos result ex periment Since helicopter diffi cult wear out got little tired see ing same old scarred bubble elected make fiberglass canopy Most helicopters will last long time de spite hard knocks learning fly may elect try type cosmetic modification before retiring bird cases canopy similar shown photos may produced just few hours Ill explain next month sketch few ideas new~ helicopter Dave Chesney Rt 9 Box 621A Greensboro NC 27407 writing advertiseis mention read about MA open groove occurs Move elevators check binding connector dowel passing through fuselage Cement wing position insuring perpendicular fuselage exhaust stacks inboard side body cut /4 balsa sheet cemented strip 1/32 plywood thin cardboard Make cannon 3/16 balsa sheet Both above painted black assembled model after has painted Give plane two coats clear fuel-proof dope sanding #300 paper between coats Using soldered coupling join pushrod wing Kwik-Link bellcrank parallel fuselage eleva tors should level plane painted follows Fuse lage top sides top wing stab rudder splintered pattern brown green under side fuselage wing stab panels landing gear light blue canopy silver canopy frame brown painted tape spinner yellow roundels lettering numbers other markings cut Mon okote Trim Sheets Outboard can non added strip yellow equally above below point leading edge plane powered 15 motor September1978 91 Weve done new innovative manufacturing process allows us reproduce authentic markings incredibly strong thin Mylar sheeting Pressure sensitive ease application colors fuel proof fade proof decals will lay flat painted marking rich assortment styles available ranging World War current insignias Look new well other fine Pica Products hobby store AVAILABLE IN 2 SCALE SIZES LARGE FOR -3/42 SCALE MODELS SMALL FOR -1/41-1 12 SCALE MODELS Typhoon/Schaaf continued page 28 uses Cox 15 Prop 9 X 3 8 lon gas tank mounted very easily using two screweyes opened up rubberbands centered behind engine Check CG adding weight required plane flown 52 lines 015 dia Flying first flights use outer hole control horn since planes reactions will milder inner ones used Since frontal area profile plane small model really moves out under power After start engine run ning satisfaction move out center circle double check controls ready give part ner signal release plane As speeds along ground slowly feed small amount up takes off reaches about 10 feet altitude level off Move handle gently get feel plane before start violent maneuvers As know model has different characteristics rates re sponse Know model first before ex perimenting motor stops grad ually feed up get close ground perfect three-point landing Im sure will thrilled have fly historic powerful looking model Fully decorated looks great CL Scale/Gretz continued page 30 rephotographed black white thus loosing some sharpness process hope what see magazine adequately conveys ex cellence Steves workmanship scale details part what Steve wrote letter first tough fly 4 oz extra nose weight correct deflec tion ailerons flies great use Tatone expansion chamber exhausting down chamber under motor mounts exhaust leaves plane eight openings bottom pan has full cockpit guns Williams Brothers plan enter few contests planeits fun competing whether win lose Test Flying Problem Ab thrill test flying new scale masterpiece first timebut what something goes wrong As recent case Last Sun day day guess what couldnt get off ground Ryan weighs 8 pounds Fox 60 Perry carb 14-6 proplots power plane almost wants stand its tail held vertically engine running Wheels roll freely Balance UC per plans plane released take-off controls elevator/flaps neutral plane noses over immediately breaks prop Incidentally flying field close-cut grass smooth enough 15-size planes up dont want add weight tail keep down because 8Y4 plus pounds balance basically OK Id never experienced before talked experienced friend last night RC field solution give full up elevator would also mean flaps down keep tail down taxi-takeoff until flying speed almost obtained neutralize somewhat come off up fly have thoughts suggestions youve flown taildragger type scale model before probably recognize problem Nine times out ten nothing wrong model itself tendency taildraggers nose over start takeoff run also landing Ive done both Zlin Akrobat What needed pilot retrained full-scale-like flying techniques scale model has too much weight its wheels too high thrust line CG take off non-scale controlline models attempt normal control line style takeoff full power high throttle quick release scale model will almost invariably end up nosing over engine trying pull model forward point high above wheels long lever model thus starts rotate around wheels because lack airflow over tail surfaces paved hard surface run way wheels can move freely problem lessened 92 Modet Aviation 7060 HOLLYWOOD BLVD LOS ANGELES CA 90028 * U liii EC PER MENTAL KDH propeller decal sheet #1147 provides authentic insignia put crowning oucn scale propeller decal sheet accurately reproduced full color Available Hobby Lobby International 3 Franklin Pike Circle Brentwood TN 37027 $345 plus $1 postage EU 5155 E M EN TA L
Edition: Model Aviation - 1978/09
Page Numbers: 27, 28, 91, 92
Editors Note Most scale-like profiles designed maximum aeroba tic ability designers adding wing area altering planform changing airfoil stunt typeusually significant crease thickness tended look like real aircraft design takes fewer liberties therefore com parable so-called scale profile stunt jobs maneuverability Nor wing un sightly because exaggerated thickness bulky looking profile suggests bigger engines say up 29s aware relatively low drag modest wing area flies well 15 probably would quite fast 19 THE TYPHOON originally con ceived replacement Hurricane fighter Its initial planning started peace time start World War II forced building testing program accelerated pace causing development problems first test pilots very critical plane due un derpowered engines structural failures ground engine fires Typhoon designed first com bat heavily armored well-armed longrange fighters Germany reported building Very early its use ever found have no match under 10000 ft 20000 ft very vul nerable enemy fighters thick wing heavy wing loading restricted its use higher altitudes necessary qualities low altitude work Its brute strength heavy load carrying abilities made very stable aiming platform armaments carried Typhoon became tremendous ground attack weapon start Normandy invasion being used pin point attacks against German strong points resistance also against head quarters command posts ap proximately 3300 Typhoons built experts give plane nearly equal credit Spitfire helping Allied cause victory model would 15-powered CL profile version Great Britains renowned Hawker ground-attack fighter World War II U Paul H SchaafJr Painted authentic camoullage pugna cious looking Typhoon makes unique profile fly local sport circles During Nor mandy campaign fighters scourge counterattacking Nazi armor What will look like build big does look eye Displayed au thors son Steven model proves three-dimensional gem can result just two-dimensional planif take care splendid addition collection models tough looks Fuselage fuselage cut t balsa outline body transferred onto wood pushing pin through plans following out line fuselage balsa posi tioned under plans pencil ballpoint pen connect pin holes smoothly outline shape wish cut Use coping saw jigsaw cut around outline After shape sanded smooth add ood doub lers both sides fuselage noting right side has cutout receive motor Make length width cutout fit particular engine plan use Radius ex posed corners body illustrated Drill hole tailwheel assembly Use 7/32 dia drill threadwrapped wire dowel assembly can fit easily hole securely cemented place Rudder Stabilizer Cut parts /8 balsa sheet elevators connected 3/16 dia dowel sanded flat opposite sides /8 thick ness hinges nylon tape cut 1 long control horn nylon RC Note rudder offset plane maintain tension lines Radius edges illustrated Note also stabi lizer has cemented fuselage before rudder can assembled body Wing wing made three sections center panel plus left right outer ones Construct center section first Pin 1/4 sq balsa spar X 1/16 lower trailing edge section posi tion Cement ribs 1 2 3 4A above Rib 1 cut a sheet other ribs cut 1/16 sheet balsa Cement top spar top trail ing edge leading edge above Leave off 1/16 sheet covering until bellcrank landing gear assem bled above Remove center sec tion plans cement securely place ood bellcrank landing gear platforms outer panels constructed identi cal center Pin lower alsa spar 1 X 1/16 lower trailing edge plans Cement ribs 4B 5 6 7 position Rib 4B must angled proper dihedral achieved Add top spar top trailing edge leading edge Add wing tips angled spar top surface tip Before cementing ribs position note inboard ones must have cutout leadout wires eliminate confusion plans cutouts ribs 5 6 shown positions can easily projected use top pencil eraser removed tool make cutouts Cement three sections together maintaining dihedral indicated Add weight outboard wingtip three- 3 nails should suffice Add 2-in bellcrank plus section pushrod long enough meet Dubro Kwik-Link coming stab Add landing gear leadout wires Cover top center section wing 1/16 balsa sheeting sheeting meets center wing sand /2 wide flat have smooth snug fit fuselage wing saddle Cover wing silk Silkspan give two coats clear fuel-proof dope sanding lightly between coats good paintable iron-on covering can also use Super Coverite Landing Gear Tailwheel landing gear bent 3/32 dia music wire two legs wire wrapped ce mented landing gear platforms wing landing gear wing panels cut 1/16 plywood also wire wrapped cemented position Wheels 2 dia retained soldered washers tailwheel strut bent 1/16 dia music wire thread wrapped cemented slots cut section 3/16 dia wood dowel Slot end dowel wire cannot rotate Tailwheel 1 dia held soldered washer entire assembly glued hole drilled rear fuselage Finishing After parts sanded smooth start assembly Cement stab rudder onto fuselage Look carefully see stab level rudder perpendicular Add filler piece rear section stab slot Continued page 91 No matter view Typhoon model has eye appeal Oddly enough hardly looks like just profile Perhaps because Paul Scheaf has designed scale scale-like control-line ships years various magazines color scheme perhaps 28 Model Aviation mounting Cox 15 wedge tank behind standard practice profile installa tions Realistic detailspainted canopy cannon beefy nose gearare exciting cially like Rookie Race comments couple held Southern California few years ago very successful think need couple Rookie Races season Thats month go fast turn left Dave Lane 4477 W 136th St Haw thorne CA 90250 RC Helicopters/Chesney continued page 26 vacant lot may usedbut insure site safe permission use verified AMA Contest Director available enlist help would suggest first meet informal After preliminaries get word out Mail letter AMA chartered club state letter should include date time meet location site map list local motels phone numbers name ad dress phone number Also include brief statement about meet tentions final request everyone pass word waiting date come around prepare quan tity questionnaires handed out meet person attending can requested fill name address phone number AMA number types helicopters flown date comes whether first meet yields club assure will rewarding Dont forget collect some ideas pass Horace ad dress Horace Hagen 15 Parkway Place Red Bank NJ 07701 necessary expert helicopter flier order stimulate local interest fact big benefit state helicopter group will ability communicate problems successes helicopter flying others sharing interest alone can speed progress about retire three-year-old Heli-baby decided experiment stead photos result ex periment Since helicopter diffi cult wear out got little tired see ing same old scarred bubble elected make fiberglass canopy Most helicopters will last long time de spite hard knocks learning fly may elect try type cosmetic modification before retiring bird cases canopy similar shown photos may produced just few hours Ill explain next month sketch few ideas new~ helicopter Dave Chesney Rt 9 Box 621A Greensboro NC 27407 writing advertiseis mention read about MA open groove occurs Move elevators check binding connector dowel passing through fuselage Cement wing position insuring perpendicular fuselage exhaust stacks inboard side body cut /4 balsa sheet cemented strip 1/32 plywood thin cardboard Make cannon 3/16 balsa sheet Both above painted black assembled model after has painted Give plane two coats clear fuel-proof dope sanding #300 paper between coats Using soldered coupling join pushrod wing Kwik-Link bellcrank parallel fuselage eleva tors should level plane painted follows Fuse lage top sides top wing stab rudder splintered pattern brown green under side fuselage wing stab panels landing gear light blue canopy silver canopy frame brown painted tape spinner yellow roundels lettering numbers other markings cut Mon okote Trim Sheets Outboard can non added strip yellow equally above below point leading edge plane powered 15 motor September1978 91 Weve done new innovative manufacturing process allows us reproduce authentic markings incredibly strong thin Mylar sheeting Pressure sensitive ease application colors fuel proof fade proof decals will lay flat painted marking rich assortment styles available ranging World War current insignias Look new well other fine Pica Products hobby store AVAILABLE IN 2 SCALE SIZES LARGE FOR -3/42 SCALE MODELS SMALL FOR -1/41-1 12 SCALE MODELS Typhoon/Schaaf continued page 28 uses Cox 15 Prop 9 X 3 8 lon gas tank mounted very easily using two screweyes opened up rubberbands centered behind engine Check CG adding weight required plane flown 52 lines 015 dia Flying first flights use outer hole control horn since planes reactions will milder inner ones used Since frontal area profile plane small model really moves out under power After start engine run ning satisfaction move out center circle double check controls ready give part ner signal release plane As speeds along ground slowly feed small amount up takes off reaches about 10 feet altitude level off Move handle gently get feel plane before start violent maneuvers As know model has different characteristics rates re sponse Know model first before ex perimenting motor stops grad ually feed up get close ground perfect three-point landing Im sure will thrilled have fly historic powerful looking model Fully decorated looks great CL Scale/Gretz continued page 30 rephotographed black white thus loosing some sharpness process hope what see magazine adequately conveys ex cellence Steves workmanship scale details part what Steve wrote letter first tough fly 4 oz extra nose weight correct deflec tion ailerons flies great use Tatone expansion chamber exhausting down chamber under motor mounts exhaust leaves plane eight openings bottom pan has full cockpit guns Williams Brothers plan enter few contests planeits fun competing whether win lose Test Flying Problem Ab thrill test flying new scale masterpiece first timebut what something goes wrong As recent case Last Sun day day guess what couldnt get off ground Ryan weighs 8 pounds Fox 60 Perry carb 14-6 proplots power plane almost wants stand its tail held vertically engine running Wheels roll freely Balance UC per plans plane released take-off controls elevator/flaps neutral plane noses over immediately breaks prop Incidentally flying field close-cut grass smooth enough 15-size planes up dont want add weight tail keep down because 8Y4 plus pounds balance basically OK Id never experienced before talked experienced friend last night RC field solution give full up elevator would also mean flaps down keep tail down taxi-takeoff until flying speed almost obtained neutralize somewhat come off up fly have thoughts suggestions youve flown taildragger type scale model before probably recognize problem Nine times out ten nothing wrong model itself tendency taildraggers nose over start takeoff run also landing Ive done both Zlin Akrobat What needed pilot retrained full-scale-like flying techniques scale model has too much weight its wheels too high thrust line CG take off non-scale controlline models attempt normal control line style takeoff full power high throttle quick release scale model will almost invariably end up nosing over engine trying pull model forward point high above wheels long lever model thus starts rotate around wheels because lack airflow over tail surfaces paved hard surface run way wheels can move freely problem lessened 92 Modet Aviation 7060 HOLLYWOOD BLVD LOS ANGELES CA 90028 * U liii EC PER MENTAL KDH propeller decal sheet #1147 provides authentic insignia put crowning oucn scale propeller decal sheet accurately reproduced full color Available Hobby Lobby International 3 Franklin Pike Circle Brentwood TN 37027 $345 plus $1 postage EU 5155 E M EN TA L
Edition: Model Aviation - 1978/09
Page Numbers: 27, 28, 91, 92
Editors Note Most scale-like profiles designed maximum aeroba tic ability designers adding wing area altering planform changing airfoil stunt typeusually significant crease thickness tended look like real aircraft design takes fewer liberties therefore com parable so-called scale profile stunt jobs maneuverability Nor wing un sightly because exaggerated thickness bulky looking profile suggests bigger engines say up 29s aware relatively low drag modest wing area flies well 15 probably would quite fast 19 THE TYPHOON originally con ceived replacement Hurricane fighter Its initial planning started peace time start World War II forced building testing program accelerated pace causing development problems first test pilots very critical plane due un derpowered engines structural failures ground engine fires Typhoon designed first com bat heavily armored well-armed longrange fighters Germany reported building Very early its use ever found have no match under 10000 ft 20000 ft very vul nerable enemy fighters thick wing heavy wing loading restricted its use higher altitudes necessary qualities low altitude work Its brute strength heavy load carrying abilities made very stable aiming platform armaments carried Typhoon became tremendous ground attack weapon start Normandy invasion being used pin point attacks against German strong points resistance also against head quarters command posts ap proximately 3300 Typhoons built experts give plane nearly equal credit Spitfire helping Allied cause victory model would 15-powered CL profile version Great Britains renowned Hawker ground-attack fighter World War II U Paul H SchaafJr Painted authentic camoullage pugna cious looking Typhoon makes unique profile fly local sport circles During Nor mandy campaign fighters scourge counterattacking Nazi armor What will look like build big does look eye Displayed au thors son Steven model proves three-dimensional gem can result just two-dimensional planif take care splendid addition collection models tough looks Fuselage fuselage cut t balsa outline body transferred onto wood pushing pin through plans following out line fuselage balsa posi tioned under plans pencil ballpoint pen connect pin holes smoothly outline shape wish cut Use coping saw jigsaw cut around outline After shape sanded smooth add ood doub lers both sides fuselage noting right side has cutout receive motor Make length width cutout fit particular engine plan use Radius ex posed corners body illustrated Drill hole tailwheel assembly Use 7/32 dia drill threadwrapped wire dowel assembly can fit easily hole securely cemented place Rudder Stabilizer Cut parts /8 balsa sheet elevators connected 3/16 dia dowel sanded flat opposite sides /8 thick ness hinges nylon tape cut 1 long control horn nylon RC Note rudder offset plane maintain tension lines Radius edges illustrated Note also stabi lizer has cemented fuselage before rudder can assembled body Wing wing made three sections center panel plus left right outer ones Construct center section first Pin 1/4 sq balsa spar X 1/16 lower trailing edge section posi tion Cement ribs 1 2 3 4A above Rib 1 cut a sheet other ribs cut 1/16 sheet balsa Cement top spar top trail ing edge leading edge above Leave off 1/16 sheet covering until bellcrank landing gear assem bled above Remove center sec tion plans cement securely place ood bellcrank landing gear platforms outer panels constructed identi cal center Pin lower alsa spar 1 X 1/16 lower trailing edge plans Cement ribs 4B 5 6 7 position Rib 4B must angled proper dihedral achieved Add top spar top trailing edge leading edge Add wing tips angled spar top surface tip Before cementing ribs position note inboard ones must have cutout leadout wires eliminate confusion plans cutouts ribs 5 6 shown positions can easily projected use top pencil eraser removed tool make cutouts Cement three sections together maintaining dihedral indicated Add weight outboard wingtip three- 3 nails should suffice Add 2-in bellcrank plus section pushrod long enough meet Dubro Kwik-Link coming stab Add landing gear leadout wires Cover top center section wing 1/16 balsa sheeting sheeting meets center wing sand /2 wide flat have smooth snug fit fuselage wing saddle Cover wing silk Silkspan give two coats clear fuel-proof dope sanding lightly between coats good paintable iron-on covering can also use Super Coverite Landing Gear Tailwheel landing gear bent 3/32 dia music wire two legs wire wrapped ce mented landing gear platforms wing landing gear wing panels cut 1/16 plywood also wire wrapped cemented position Wheels 2 dia retained soldered washers tailwheel strut bent 1/16 dia music wire thread wrapped cemented slots cut section 3/16 dia wood dowel Slot end dowel wire cannot rotate Tailwheel 1 dia held soldered washer entire assembly glued hole drilled rear fuselage Finishing After parts sanded smooth start assembly Cement stab rudder onto fuselage Look carefully see stab level rudder perpendicular Add filler piece rear section stab slot Continued page 91 No matter view Typhoon model has eye appeal Oddly enough hardly looks like just profile Perhaps because Paul Scheaf has designed scale scale-like control-line ships years various magazines color scheme perhaps 28 Model Aviation mounting Cox 15 wedge tank behind standard practice profile installa tions Realistic detailspainted canopy cannon beefy nose gearare exciting cially like Rookie Race comments couple held Southern California few years ago very successful think need couple Rookie Races season Thats month go fast turn left Dave Lane 4477 W 136th St Haw thorne CA 90250 RC Helicopters/Chesney continued page 26 vacant lot may usedbut insure site safe permission use verified AMA Contest Director available enlist help would suggest first meet informal After preliminaries get word out Mail letter AMA chartered club state letter should include date time meet location site map list local motels phone numbers name ad dress phone number Also include brief statement about meet tentions final request everyone pass word waiting date come around prepare quan tity questionnaires handed out meet person attending can requested fill name address phone number AMA number types helicopters flown date comes whether first meet yields club assure will rewarding Dont forget collect some ideas pass Horace ad dress Horace Hagen 15 Parkway Place Red Bank NJ 07701 necessary expert helicopter flier order stimulate local interest fact big benefit state helicopter group will ability communicate problems successes helicopter flying others sharing interest alone can speed progress about retire three-year-old Heli-baby decided experiment stead photos result ex periment Since helicopter diffi cult wear out got little tired see ing same old scarred bubble elected make fiberglass canopy Most helicopters will last long time de spite hard knocks learning fly may elect try type cosmetic modification before retiring bird cases canopy similar shown photos may produced just few hours Ill explain next month sketch few ideas new~ helicopter Dave Chesney Rt 9 Box 621A Greensboro NC 27407 writing advertiseis mention read about MA open groove occurs Move elevators check binding connector dowel passing through fuselage Cement wing position insuring perpendicular fuselage exhaust stacks inboard side body cut /4 balsa sheet cemented strip 1/32 plywood thin cardboard Make cannon 3/16 balsa sheet Both above painted black assembled model after has painted Give plane two coats clear fuel-proof dope sanding #300 paper between coats Using soldered coupling join pushrod wing Kwik-Link bellcrank parallel fuselage eleva tors should level plane painted follows Fuse lage top sides top wing stab rudder splintered pattern brown green under side fuselage wing stab panels landing gear light blue canopy silver canopy frame brown painted tape spinner yellow roundels lettering numbers other markings cut Mon okote Trim Sheets Outboard can non added strip yellow equally above below point leading edge plane powered 15 motor September1978 91 Weve done new innovative manufacturing process allows us reproduce authentic markings incredibly strong thin Mylar sheeting Pressure sensitive ease application colors fuel proof fade proof decals will lay flat painted marking rich assortment styles available ranging World War current insignias Look new well other fine Pica Products hobby store AVAILABLE IN 2 SCALE SIZES LARGE FOR -3/42 SCALE MODELS SMALL FOR -1/41-1 12 SCALE MODELS Typhoon/Schaaf continued page 28 uses Cox 15 Prop 9 X 3 8 lon gas tank mounted very easily using two screweyes opened up rubberbands centered behind engine Check CG adding weight required plane flown 52 lines 015 dia Flying first flights use outer hole control horn since planes reactions will milder inner ones used Since frontal area profile plane small model really moves out under power After start engine run ning satisfaction move out center circle double check controls ready give part ner signal release plane As speeds along ground slowly feed small amount up takes off reaches about 10 feet altitude level off Move handle gently get feel plane before start violent maneuvers As know model has different characteristics rates re sponse Know model first before ex perimenting motor stops grad ually feed up get close ground perfect three-point landing Im sure will thrilled have fly historic powerful looking model Fully decorated looks great CL Scale/Gretz continued page 30 rephotographed black white thus loosing some sharpness process hope what see magazine adequately conveys ex cellence Steves workmanship scale details part what Steve wrote letter first tough fly 4 oz extra nose weight correct deflec tion ailerons flies great use Tatone expansion chamber exhausting down chamber under motor mounts exhaust leaves plane eight openings bottom pan has full cockpit guns Williams Brothers plan enter few contests planeits fun competing whether win lose Test Flying Problem Ab thrill test flying new scale masterpiece first timebut what something goes wrong As recent case Last Sun day day guess what couldnt get off ground Ryan weighs 8 pounds Fox 60 Perry carb 14-6 proplots power plane almost wants stand its tail held vertically engine running Wheels roll freely Balance UC per plans plane released take-off controls elevator/flaps neutral plane noses over immediately breaks prop Incidentally flying field close-cut grass smooth enough 15-size planes up dont want add weight tail keep down because 8Y4 plus pounds balance basically OK Id never experienced before talked experienced friend last night RC field solution give full up elevator would also mean flaps down keep tail down taxi-takeoff until flying speed almost obtained neutralize somewhat come off up fly have thoughts suggestions youve flown taildragger type scale model before probably recognize problem Nine times out ten nothing wrong model itself tendency taildraggers nose over start takeoff run also landing Ive done both Zlin Akrobat What needed pilot retrained full-scale-like flying techniques scale model has too much weight its wheels too high thrust line CG take off non-scale controlline models attempt normal control line style takeoff full power high throttle quick release scale model will almost invariably end up nosing over engine trying pull model forward point high above wheels long lever model thus starts rotate around wheels because lack airflow over tail surfaces paved hard surface run way wheels can move freely problem lessened 92 Modet Aviation 7060 HOLLYWOOD BLVD LOS ANGELES CA 90028 * U liii EC PER MENTAL KDH propeller decal sheet #1147 provides authentic insignia put crowning oucn scale propeller decal sheet accurately reproduced full color Available Hobby Lobby International 3 Franklin Pike Circle Brentwood TN 37027 $345 plus $1 postage EU 5155 E M EN TA L
Edition: Model Aviation - 1978/09
Page Numbers: 27, 28, 91, 92
Editors Note Most scale-like profiles designed maximum aeroba tic ability designers adding wing area altering planform changing airfoil stunt typeusually significant crease thickness tended look like real aircraft design takes fewer liberties therefore com parable so-called scale profile stunt jobs maneuverability Nor wing un sightly because exaggerated thickness bulky looking profile suggests bigger engines say up 29s aware relatively low drag modest wing area flies well 15 probably would quite fast 19 THE TYPHOON originally con ceived replacement Hurricane fighter Its initial planning started peace time start World War II forced building testing program accelerated pace causing development problems first test pilots very critical plane due un derpowered engines structural failures ground engine fires Typhoon designed first com bat heavily armored well-armed longrange fighters Germany reported building Very early its use ever found have no match under 10000 ft 20000 ft very vul nerable enemy fighters thick wing heavy wing loading restricted its use higher altitudes necessary qualities low altitude work Its brute strength heavy load carrying abilities made very stable aiming platform armaments carried Typhoon became tremendous ground attack weapon start Normandy invasion being used pin point attacks against German strong points resistance also against head quarters command posts ap proximately 3300 Typhoons built experts give plane nearly equal credit Spitfire helping Allied cause victory model would 15-powered CL profile version Great Britains renowned Hawker ground-attack fighter World War II U Paul H SchaafJr Painted authentic camoullage pugna cious looking Typhoon makes unique profile fly local sport circles During Nor mandy campaign fighters scourge counterattacking Nazi armor What will look like build big does look eye Displayed au thors son Steven model proves three-dimensional gem can result just two-dimensional planif take care splendid addition collection models tough looks Fuselage fuselage cut t balsa outline body transferred onto wood pushing pin through plans following out line fuselage balsa posi tioned under plans pencil ballpoint pen connect pin holes smoothly outline shape wish cut Use coping saw jigsaw cut around outline After shape sanded smooth add ood doub lers both sides fuselage noting right side has cutout receive motor Make length width cutout fit particular engine plan use Radius ex posed corners body illustrated Drill hole tailwheel assembly Use 7/32 dia drill threadwrapped wire dowel assembly can fit easily hole securely cemented place Rudder Stabilizer Cut parts /8 balsa sheet elevators connected 3/16 dia dowel sanded flat opposite sides /8 thick ness hinges nylon tape cut 1 long control horn nylon RC Note rudder offset plane maintain tension lines Radius edges illustrated Note also stabi lizer has cemented fuselage before rudder can assembled body Wing wing made three sections center panel plus left right outer ones Construct center section first Pin 1/4 sq balsa spar X 1/16 lower trailing edge section posi tion Cement ribs 1 2 3 4A above Rib 1 cut a sheet other ribs cut 1/16 sheet balsa Cement top spar top trail ing edge leading edge above Leave off 1/16 sheet covering until bellcrank landing gear assem bled above Remove center sec tion plans cement securely place ood bellcrank landing gear platforms outer panels constructed identi cal center Pin lower alsa spar 1 X 1/16 lower trailing edge plans Cement ribs 4B 5 6 7 position Rib 4B must angled proper dihedral achieved Add top spar top trailing edge leading edge Add wing tips angled spar top surface tip Before cementing ribs position note inboard ones must have cutout leadout wires eliminate confusion plans cutouts ribs 5 6 shown positions can easily projected use top pencil eraser removed tool make cutouts Cement three sections together maintaining dihedral indicated Add weight outboard wingtip three- 3 nails should suffice Add 2-in bellcrank plus section pushrod long enough meet Dubro Kwik-Link coming stab Add landing gear leadout wires Cover top center section wing 1/16 balsa sheeting sheeting meets center wing sand /2 wide flat have smooth snug fit fuselage wing saddle Cover wing silk Silkspan give two coats clear fuel-proof dope sanding lightly between coats good paintable iron-on covering can also use Super Coverite Landing Gear Tailwheel landing gear bent 3/32 dia music wire two legs wire wrapped ce mented landing gear platforms wing landing gear wing panels cut 1/16 plywood also wire wrapped cemented position Wheels 2 dia retained soldered washers tailwheel strut bent 1/16 dia music wire thread wrapped cemented slots cut section 3/16 dia wood dowel Slot end dowel wire cannot rotate Tailwheel 1 dia held soldered washer entire assembly glued hole drilled rear fuselage Finishing After parts sanded smooth start assembly Cement stab rudder onto fuselage Look carefully see stab level rudder perpendicular Add filler piece rear section stab slot Continued page 91 No matter view Typhoon model has eye appeal Oddly enough hardly looks like just profile Perhaps because Paul Scheaf has designed scale scale-like control-line ships years various magazines color scheme perhaps 28 Model Aviation mounting Cox 15 wedge tank behind standard practice profile installa tions Realistic detailspainted canopy cannon beefy nose gearare exciting cially like Rookie Race comments couple held Southern California few years ago very successful think need couple Rookie Races season Thats month go fast turn left Dave Lane 4477 W 136th St Haw thorne CA 90250 RC Helicopters/Chesney continued page 26 vacant lot may usedbut insure site safe permission use verified AMA Contest Director available enlist help would suggest first meet informal After preliminaries get word out Mail letter AMA chartered club state letter should include date time meet location site map list local motels phone numbers name ad dress phone number Also include brief statement about meet tentions final request everyone pass word waiting date come around prepare quan tity questionnaires handed out meet person attending can requested fill name address phone number AMA number types helicopters flown date comes whether first meet yields club assure will rewarding Dont forget collect some ideas pass Horace ad dress Horace Hagen 15 Parkway Place Red Bank NJ 07701 necessary expert helicopter flier order stimulate local interest fact big benefit state helicopter group will ability communicate problems successes helicopter flying others sharing interest alone can speed progress about retire three-year-old Heli-baby decided experiment stead photos result ex periment Since helicopter diffi cult wear out got little tired see ing same old scarred bubble elected make fiberglass canopy Most helicopters will last long time de spite hard knocks learning fly may elect try type cosmetic modification before retiring bird cases canopy similar shown photos may produced just few hours Ill explain next month sketch few ideas new~ helicopter Dave Chesney Rt 9 Box 621A Greensboro NC 27407 writing advertiseis mention read about MA open groove occurs Move elevators check binding connector dowel passing through fuselage Cement wing position insuring perpendicular fuselage exhaust stacks inboard side body cut /4 balsa sheet cemented strip 1/32 plywood thin cardboard Make cannon 3/16 balsa sheet Both above painted black assembled model after has painted Give plane two coats clear fuel-proof dope sanding #300 paper between coats Using soldered coupling join pushrod wing Kwik-Link bellcrank parallel fuselage eleva tors should level plane painted follows Fuse lage top sides top wing stab rudder splintered pattern brown green under side fuselage wing stab panels landing gear light blue canopy silver canopy frame brown painted tape spinner yellow roundels lettering numbers other markings cut Mon okote Trim Sheets Outboard can non added strip yellow equally above below point leading edge plane powered 15 motor September1978 91 Weve done new innovative manufacturing process allows us reproduce authentic markings incredibly strong thin Mylar sheeting Pressure sensitive ease application colors fuel proof fade proof decals will lay flat painted marking rich assortment styles available ranging World War current insignias Look new well other fine Pica Products hobby store AVAILABLE IN 2 SCALE SIZES LARGE FOR -3/42 SCALE MODELS SMALL FOR -1/41-1 12 SCALE MODELS Typhoon/Schaaf continued page 28 uses Cox 15 Prop 9 X 3 8 lon gas tank mounted very easily using two screweyes opened up rubberbands centered behind engine Check CG adding weight required plane flown 52 lines 015 dia Flying first flights use outer hole control horn since planes reactions will milder inner ones used Since frontal area profile plane small model really moves out under power After start engine run ning satisfaction move out center circle double check controls ready give part ner signal release plane As speeds along ground slowly feed small amount up takes off reaches about 10 feet altitude level off Move handle gently get feel plane before start violent maneuvers As know model has different characteristics rates re sponse Know model first before ex perimenting motor stops grad ually feed up get close ground perfect three-point landing Im sure will thrilled have fly historic powerful looking model Fully decorated looks great CL Scale/Gretz continued page 30 rephotographed black white thus loosing some sharpness process hope what see magazine adequately conveys ex cellence Steves workmanship scale details part what Steve wrote letter first tough fly 4 oz extra nose weight correct deflec tion ailerons flies great use Tatone expansion chamber exhausting down chamber under motor mounts exhaust leaves plane eight openings bottom pan has full cockpit guns Williams Brothers plan enter few contests planeits fun competing whether win lose Test Flying Problem Ab thrill test flying new scale masterpiece first timebut what something goes wrong As recent case Last Sun day day guess what couldnt get off ground Ryan weighs 8 pounds Fox 60 Perry carb 14-6 proplots power plane almost wants stand its tail held vertically engine running Wheels roll freely Balance UC per plans plane released take-off controls elevator/flaps neutral plane noses over immediately breaks prop Incidentally flying field close-cut grass smooth enough 15-size planes up dont want add weight tail keep down because 8Y4 plus pounds balance basically OK Id never experienced before talked experienced friend last night RC field solution give full up elevator would also mean flaps down keep tail down taxi-takeoff until flying speed almost obtained neutralize somewhat come off up fly have thoughts suggestions youve flown taildragger type scale model before probably recognize problem Nine times out ten nothing wrong model itself tendency taildraggers nose over start takeoff run also landing Ive done both Zlin Akrobat What needed pilot retrained full-scale-like flying techniques scale model has too much weight its wheels too high thrust line CG take off non-scale controlline models attempt normal control line style takeoff full power high throttle quick release scale model will almost invariably end up nosing over engine trying pull model forward point high above wheels long lever model thus starts rotate around wheels because lack airflow over tail surfaces paved hard surface run way wheels can move freely problem lessened 92 Modet Aviation 7060 HOLLYWOOD BLVD LOS ANGELES CA 90028 * U liii EC PER MENTAL KDH propeller decal sheet #1147 provides authentic insignia put crowning oucn scale propeller decal sheet accurately reproduced full color Available Hobby Lobby International 3 Franklin Pike Circle Brentwood TN 37027 $345 plus $1 postage EU 5155 E M EN TA L