BILL WINTERS ION LILE3 Piper Cub What acco unts its everlasting appeal modeling sub ject flies well planes fly well simple Hun dreds airplanes simple famous So others famous After Wright Fly er Cub could historys cele brated flying machine Like Smokey Bear has lasting image Cub Cub Yellow Millions people know what 40-odd years has darn near part language little two-seater simple frame barebones steel tubing some kind magic upstaged its automotive counterpart Henry Fords always-black tin lizzie lives on unique handful machines filling niche perfectly earned singular prestige did DC-3 among trans port aircraft Cub springs quickly mind whenever tries list work aday super stars 75 years flying history No humbler design ever acquired such mystique people including writer learned fly Cub other machine Already familiar rural flying field America became doub ly world famous Grasshopper WW II Oh contemporaries Cub Grasshopper remembered Now lastingly familiar car drive power durability handling qualities brought job alone balanced perfectly razors edge anything less being inad equate anything being needed ubiquitous Cub simply fitted well youd never no tice yet observed much luck 65-hp Cub nevertheless among worthy aircraft can put human terms Consider Charlie Charlie 1945 salty eagle-eyed old timer roosted old Santa Fe airport pride joy classic red Cessna Airmaster cross-country jaunts Course lines drawn like game trails over tattered all-brown charts everyday work jil lion-mile Cub grizzled barnstormer air show typeyou know toiletpaper-cutting cuts win wizard drunk steals warming up airplane announcer spielshe sported faded red peaked cap perpetual tumbleweed cigar always clenched 270 degrees mountain pilot Now thats very special breed cat know lore mesas canyon winds live swap stories couldnt fly hed tell take Cub get lost dont 0 Cl- mention money Hed land Cub go hunting would come back venison piled rear hed land top some dam go fishing depth perception micrometer sharp drove allowed just enough space paint clear put down Cub silken touch earth looked flat bright Rocky Mountain morn took us up preach mountain pi lotage Bible according Charlie First matter wind cross mesa downwind first got altitude leveled off flew over Never try climb over waterfall wind unmerciful going downwind declared impossible hit ground approached lee edge Try hed challenge al ways supreme confidence SLP Senior Local Pilot never under stoodexcept obvious must have done something right live sage pushed over steep dive taking aim brow cliff held Almost ground wind lifted Cub like magic bumped past cliff dive continued uninterrupted Over nearby canyon Rio Grande Los Alamos sparkling white just off right went steep bank round round letting ship sink gradually canyon down down presently conspicu ous doorway ancient cliff dwelling kept flashing hed point pass say See canyon widened enough flatten wings skimmed dry-season trickle water yawing wing tip other slice through flatout flock ducks took evasive ac tion marvelous Immelmans back steep bank round round slowly ascending Cub strug gled out gorge strip dirt road wheel landing full throttlehe practically ignored throttle Iand Cub racing across barren land comet tail dust right-angle turn ahead small tree intersection Around went full tilt wheels Flying again low dust trail hung Power lines ahead Would go over under Continued page 101 4 Model Aviation HENDERTOON -/ 4 THE JUG IS HERE P-47D Razorback Bubble Version Special Features piece Scale ABS Cowl includes Motor e Detailed Scale Canopy Sliding Canopy Illustrations e Dashboard Scale Printed Instrument Panel e Pilot Seat Scale Operating Inter Cooler Doors Bomb Drop Hook-up Illustrations Bombs w/ply Fins Tank Exact Scale Turbo Charger Duct Converts Bubble Canopy easily other Scale Details Shown Optional Illustrated Exhaust Expansion Chamber allowsoil separationMuffler functionand two Scale Exhaust Outlets JEMCO 1305 Foothill Dr Vista Ca 92083 714724-3242 Openers/Winter continued page 4 now never went under themas knew would long last set up approach informed us would drunken pilot act Now weve always suspected some people can fly Cub less minimum flying speed Weve watched Piper test pilots long ago wishing walk across field haul Cub off ground af ground So said two Once could insult figured Down dropped Cub touched ever light ly air appeared between wheel runway Slowly turned once twiceand stopped thus ended routine hop Down Hobbsthe next day watch locals practice airshow Two guys Cubs slicing toilet tissue ribbons Altitude limited dont have day act Seven cuts best So old Charlie borrowed Cub ter briefest runs sort nose-and showed Thirty-seven high slip slow-motion slide acrosscuts did fly back forth atthe fieldtacking ribbon hung just hairiest part drunk-pilot actto spectatorsis jack rabbit landing looks fearful bounces real gigantic Charlie kissing runway scant air speed after bump should give goose bumps ship really felt rock-solid another galloping bump another way down runway After bump Charlie called times would like see wheels turn Pick number five nutz Humor old boy must wishing embarrass him asking fiveiwful rolled six times instead five maybe four could shattered slow getting picture talking wheel turns air after bounce swinging wing tip back forth like scythe dont buy problem dont care fly 747s jet fighters did allow old trick squeeze roll before tossed outtakes longer unravel Maybe will wonder what held up Cub slipped way cut cut37 can still see Cubs air shows Whether late great Bevo Howard skimming runways inverted Old Perfessor show Cubs can catch act demonstrate no airplane ever devised can pre 6-ft Sniffer mentioned earlier column 50% enlargement Midwest plan itself derivative Simmers hA FF late Forties An 0S35 muffler pressure Fins enlarged airfoiled stab trimmed zero instead negative wing incidence poly decreased Five ounces ballast puts CG 37% chord Nose slightly lengthened open structure beefed up ala typical sport model William 4/2 Vintage wheels Flies nicely 11 -3/2 prop July1979 101 ror coaor picture Picture Above 40-60 Engine An Exact Scale R/C Kit54 Span 525 Sq Kit Includes4-6 Channel Usual JEM-LOC Easy Fuse ConstructionLAZY BUILDERS Foam Core Wings Extra LargeLOVE OUR KITS Trailing Edges simple AileronBecause easiest build Flap RemovalScale Kits around Three Views Six Profiles withWrite Catalog Color Notes e $9495 Decal Sheet allows Six Color Schemes Formed Plastic Parts Hard make Shapes new releases Bucker ITT herb clukey wingspan Seagu 11for rubber available soon C02 power SEE YOURsend 25$ DEALER NOWcatalog FLYLINE MODELS INC 282000A53V55u5B PAISPAX VIRGINIA 2200TOOl 532030 cisely extend human arms legs senses man controls crate alivethe pilot its brain will build model Cubs forever Maybe Hazel Sigs Clipped-Wing Cubthe big flies typical air show ship others mind finest model Cubs classic sense 6-foot J-3 Chuck Hollinger appeared Air Trails during fifties kitted Berkeley Berkeley Fairchild low-wing trainer another Hollinger masterpiece Berkeley failed product line went Fox Sig Well bet Sig has some Hollinger J-3 plans barn about Sig Mac Mike Ah Cub-yellow Hollinger Cub What collectors item what bird model Cub captures essence real Cub its framing its flight stuff dreams made RC Technique/Myers continued page 19 about Lithium batteries ELTs know about should no trick make up similar system using nickle cadmium batteries important points 1 backup battery should have separate electrical path receiver avoid total failure broken wire 2 backup battery should operate simultaneously parallel ANNOUNCING Fast Steep Climb FLat Slow Glide 4 new P30 class model designed novice mind has potential win toughest THE POTENT30 Delece kit lectures include Rolled balsa fuselage wing mount dt Completed prop nose plug tail plugS rudder Precut wing ribs spar notches job rated balta strips Highest qualoty tossue lu bed Contest rubber Detailed instructoons flying tips help winl CAT NO R2 $695 PP check money Order CHAS WERLE 3620 MORSE AVE NOS SACTO CALIF 95821 primary battery backup battery idea should incor porated plane powered engine larger 049 larger heavier airplane important protection becomes wind blows dust eyes system fails club has few rules number 1 rule Buddy System Flying alone asking trouble Suppose have make landing cant see kid standing behind runway Does situation always leave enough time take eyes off plane quick look larger models certainly feasible use two parallel completely independent RC systems control No doubt will some complaints about Hogging Channels increased reliability will Mathematically operating two parallel systems 9 reliability system reli ability becomes 99 think unnecessarily high consider fact reliability goal Lunar Module 99999 try figure out achieved Well friends Ive run out column space before have run out ideas have read far consider call new ideas increased RC systms reli ability will publish far space permits credit presenting George Myers 70 Froehlich Farm Rd Hicksvile NY 11801 Ugly/Beckman continued page 22 epoxy use Tra-Bond 2248 made Tra Can Inc 55 North St Medford Mass 02155 can supply what call BIPAX premeasured amounts resin hardener single plastic bag separated plastic clip remove clip mix two parts cut off corner bag squeeze out epoxy Pot life three hours have plenty time assemble things must follow special curing schedule muffler parts fitted ready mix apply epoxy Put thin coat surfaces contact screws before install Run bead epoxy along seams joints epoxy thixotropic helps keep want it will thin out run bit during cure pile too thick Once everything except engine course together let sit room temper ature 700—750F 12 hours specs call two hours at650C two hours 900 C four hours 1 250C temper atures convert 1490F 1940F 2570F will lower end kitchen ovens range arent super critical get close can important shot pick time can tie up oven eight hours straight end result will muffler will hold together normal operating tem peratures engine warts will out sight RC Aerobatics/Van Putte continued page 23 cause during straight flight However air craft speed changes during loops will proba bly cause airplane yaw since correct rudder trim will vary airspeed Check alignment vertical fin fix misalignment discover prepared use rudder during loops correct heading tendency Fiberglass fuselages have gone long way toward elimination bananashaped fuselage curved fuselage causes side force generated after rudder adjusted trim out yawing tendency straight flight combination side force change correct rudder trim during loops causes airplane move sideways change heading Unfortunately elimination problem would require fuselage modification people willing perform alternative use rudder compensate yawing tendency vow build fuselage straight next time Most engine-muffler/pipe installations will cause yaw problems unless rear exhaust engine coupled tuned pipe installed fuselage used drag muffler/pipe causes yawing tendency aircraft Some pipe 102 Model Aviation ONLY LIGHiWEIGHTOUNCE SUPERPERSO FT / COVE RITE STRONGER BY FAR THAN ANY OTHER IRON ON RED WHITE BLUE YELLOW ORANGE ANTIQUE FABRIC COVERIT 420 Babylon Rd Horsham Pa 19044 great schoolyard scale TRAVEL AIR 6000 020 power 36span 12 channel RIC tree flight 51495
Edition: Model Aviation - 1979/07
Page Numbers: 4, 101, 102
BILL WINTERS ION LILE3 Piper Cub What acco unts its everlasting appeal modeling sub ject flies well planes fly well simple Hun dreds airplanes simple famous So others famous After Wright Fly er Cub could historys cele brated flying machine Like Smokey Bear has lasting image Cub Cub Yellow Millions people know what 40-odd years has darn near part language little two-seater simple frame barebones steel tubing some kind magic upstaged its automotive counterpart Henry Fords always-black tin lizzie lives on unique handful machines filling niche perfectly earned singular prestige did DC-3 among trans port aircraft Cub springs quickly mind whenever tries list work aday super stars 75 years flying history No humbler design ever acquired such mystique people including writer learned fly Cub other machine Already familiar rural flying field America became doub ly world famous Grasshopper WW II Oh contemporaries Cub Grasshopper remembered Now lastingly familiar car drive power durability handling qualities brought job alone balanced perfectly razors edge anything less being inad equate anything being needed ubiquitous Cub simply fitted well youd never no tice yet observed much luck 65-hp Cub nevertheless among worthy aircraft can put human terms Consider Charlie Charlie 1945 salty eagle-eyed old timer roosted old Santa Fe airport pride joy classic red Cessna Airmaster cross-country jaunts Course lines drawn like game trails over tattered all-brown charts everyday work jil lion-mile Cub grizzled barnstormer air show typeyou know toiletpaper-cutting cuts win wizard drunk steals warming up airplane announcer spielshe sported faded red peaked cap perpetual tumbleweed cigar always clenched 270 degrees mountain pilot Now thats very special breed cat know lore mesas canyon winds live swap stories couldnt fly hed tell take Cub get lost dont 0 Cl- mention money Hed land Cub go hunting would come back venison piled rear hed land top some dam go fishing depth perception micrometer sharp drove allowed just enough space paint clear put down Cub silken touch earth looked flat bright Rocky Mountain morn took us up preach mountain pi lotage Bible according Charlie First matter wind cross mesa downwind first got altitude leveled off flew over Never try climb over waterfall wind unmerciful going downwind declared impossible hit ground approached lee edge Try hed challenge al ways supreme confidence SLP Senior Local Pilot never under stoodexcept obvious must have done something right live sage pushed over steep dive taking aim brow cliff held Almost ground wind lifted Cub like magic bumped past cliff dive continued uninterrupted Over nearby canyon Rio Grande Los Alamos sparkling white just off right went steep bank round round letting ship sink gradually canyon down down presently conspicu ous doorway ancient cliff dwelling kept flashing hed point pass say See canyon widened enough flatten wings skimmed dry-season trickle water yawing wing tip other slice through flatout flock ducks took evasive ac tion marvelous Immelmans back steep bank round round slowly ascending Cub strug gled out gorge strip dirt road wheel landing full throttlehe practically ignored throttle Iand Cub racing across barren land comet tail dust right-angle turn ahead small tree intersection Around went full tilt wheels Flying again low dust trail hung Power lines ahead Would go over under Continued page 101 4 Model Aviation HENDERTOON -/ 4 THE JUG IS HERE P-47D Razorback Bubble Version Special Features piece Scale ABS Cowl includes Motor e Detailed Scale Canopy Sliding Canopy Illustrations e Dashboard Scale Printed Instrument Panel e Pilot Seat Scale Operating Inter Cooler Doors Bomb Drop Hook-up Illustrations Bombs w/ply Fins Tank Exact Scale Turbo Charger Duct Converts Bubble Canopy easily other Scale Details Shown Optional Illustrated Exhaust Expansion Chamber allowsoil separationMuffler functionand two Scale Exhaust Outlets JEMCO 1305 Foothill Dr Vista Ca 92083 714724-3242 Openers/Winter continued page 4 now never went under themas knew would long last set up approach informed us would drunken pilot act Now weve always suspected some people can fly Cub less minimum flying speed Weve watched Piper test pilots long ago wishing walk across field haul Cub off ground af ground So said two Once could insult figured Down dropped Cub touched ever light ly air appeared between wheel runway Slowly turned once twiceand stopped thus ended routine hop Down Hobbsthe next day watch locals practice airshow Two guys Cubs slicing toilet tissue ribbons Altitude limited dont have day act Seven cuts best So old Charlie borrowed Cub ter briefest runs sort nose-and showed Thirty-seven high slip slow-motion slide acrosscuts did fly back forth atthe fieldtacking ribbon hung just hairiest part drunk-pilot actto spectatorsis jack rabbit landing looks fearful bounces real gigantic Charlie kissing runway scant air speed after bump should give goose bumps ship really felt rock-solid another galloping bump another way down runway After bump Charlie called times would like see wheels turn Pick number five nutz Humor old boy must wishing embarrass him asking fiveiwful rolled six times instead five maybe four could shattered slow getting picture talking wheel turns air after bounce swinging wing tip back forth like scythe dont buy problem dont care fly 747s jet fighters did allow old trick squeeze roll before tossed outtakes longer unravel Maybe will wonder what held up Cub slipped way cut cut37 can still see Cubs air shows Whether late great Bevo Howard skimming runways inverted Old Perfessor show Cubs can catch act demonstrate no airplane ever devised can pre 6-ft Sniffer mentioned earlier column 50% enlargement Midwest plan itself derivative Simmers hA FF late Forties An 0S35 muffler pressure Fins enlarged airfoiled stab trimmed zero instead negative wing incidence poly decreased Five ounces ballast puts CG 37% chord Nose slightly lengthened open structure beefed up ala typical sport model William 4/2 Vintage wheels Flies nicely 11 -3/2 prop July1979 101 ror coaor picture Picture Above 40-60 Engine An Exact Scale R/C Kit54 Span 525 Sq Kit Includes4-6 Channel Usual JEM-LOC Easy Fuse ConstructionLAZY BUILDERS Foam Core Wings Extra LargeLOVE OUR KITS Trailing Edges simple AileronBecause easiest build Flap RemovalScale Kits around Three Views Six Profiles withWrite Catalog Color Notes e $9495 Decal Sheet allows Six Color Schemes Formed Plastic Parts Hard make Shapes new releases Bucker ITT herb clukey wingspan Seagu 11for rubber available soon C02 power SEE YOURsend 25$ DEALER NOWcatalog FLYLINE MODELS INC 282000A53V55u5B PAISPAX VIRGINIA 2200TOOl 532030 cisely extend human arms legs senses man controls crate alivethe pilot its brain will build model Cubs forever Maybe Hazel Sigs Clipped-Wing Cubthe big flies typical air show ship others mind finest model Cubs classic sense 6-foot J-3 Chuck Hollinger appeared Air Trails during fifties kitted Berkeley Berkeley Fairchild low-wing trainer another Hollinger masterpiece Berkeley failed product line went Fox Sig Well bet Sig has some Hollinger J-3 plans barn about Sig Mac Mike Ah Cub-yellow Hollinger Cub What collectors item what bird model Cub captures essence real Cub its framing its flight stuff dreams made RC Technique/Myers continued page 19 about Lithium batteries ELTs know about should no trick make up similar system using nickle cadmium batteries important points 1 backup battery should have separate electrical path receiver avoid total failure broken wire 2 backup battery should operate simultaneously parallel ANNOUNCING Fast Steep Climb FLat Slow Glide 4 new P30 class model designed novice mind has potential win toughest THE POTENT30 Delece kit lectures include Rolled balsa fuselage wing mount dt Completed prop nose plug tail plugS rudder Precut wing ribs spar notches job rated balta strips Highest qualoty tossue lu bed Contest rubber Detailed instructoons flying tips help winl CAT NO R2 $695 PP check money Order CHAS WERLE 3620 MORSE AVE NOS SACTO CALIF 95821 primary battery backup battery idea should incor porated plane powered engine larger 049 larger heavier airplane important protection becomes wind blows dust eyes system fails club has few rules number 1 rule Buddy System Flying alone asking trouble Suppose have make landing cant see kid standing behind runway Does situation always leave enough time take eyes off plane quick look larger models certainly feasible use two parallel completely independent RC systems control No doubt will some complaints about Hogging Channels increased reliability will Mathematically operating two parallel systems 9 reliability system reli ability becomes 99 think unnecessarily high consider fact reliability goal Lunar Module 99999 try figure out achieved Well friends Ive run out column space before have run out ideas have read far consider call new ideas increased RC systms reli ability will publish far space permits credit presenting George Myers 70 Froehlich Farm Rd Hicksvile NY 11801 Ugly/Beckman continued page 22 epoxy use Tra-Bond 2248 made Tra Can Inc 55 North St Medford Mass 02155 can supply what call BIPAX premeasured amounts resin hardener single plastic bag separated plastic clip remove clip mix two parts cut off corner bag squeeze out epoxy Pot life three hours have plenty time assemble things must follow special curing schedule muffler parts fitted ready mix apply epoxy Put thin coat surfaces contact screws before install Run bead epoxy along seams joints epoxy thixotropic helps keep want it will thin out run bit during cure pile too thick Once everything except engine course together let sit room temper ature 700—750F 12 hours specs call two hours at650C two hours 900 C four hours 1 250C temper atures convert 1490F 1940F 2570F will lower end kitchen ovens range arent super critical get close can important shot pick time can tie up oven eight hours straight end result will muffler will hold together normal operating tem peratures engine warts will out sight RC Aerobatics/Van Putte continued page 23 cause during straight flight However air craft speed changes during loops will proba bly cause airplane yaw since correct rudder trim will vary airspeed Check alignment vertical fin fix misalignment discover prepared use rudder during loops correct heading tendency Fiberglass fuselages have gone long way toward elimination bananashaped fuselage curved fuselage causes side force generated after rudder adjusted trim out yawing tendency straight flight combination side force change correct rudder trim during loops causes airplane move sideways change heading Unfortunately elimination problem would require fuselage modification people willing perform alternative use rudder compensate yawing tendency vow build fuselage straight next time Most engine-muffler/pipe installations will cause yaw problems unless rear exhaust engine coupled tuned pipe installed fuselage used drag muffler/pipe causes yawing tendency aircraft Some pipe 102 Model Aviation ONLY LIGHiWEIGHTOUNCE SUPERPERSO FT / COVE RITE STRONGER BY FAR THAN ANY OTHER IRON ON RED WHITE BLUE YELLOW ORANGE ANTIQUE FABRIC COVERIT 420 Babylon Rd Horsham Pa 19044 great schoolyard scale TRAVEL AIR 6000 020 power 36span 12 channel RIC tree flight 51495
Edition: Model Aviation - 1979/07
Page Numbers: 4, 101, 102
BILL WINTERS ION LILE3 Piper Cub What acco unts its everlasting appeal modeling sub ject flies well planes fly well simple Hun dreds airplanes simple famous So others famous After Wright Fly er Cub could historys cele brated flying machine Like Smokey Bear has lasting image Cub Cub Yellow Millions people know what 40-odd years has darn near part language little two-seater simple frame barebones steel tubing some kind magic upstaged its automotive counterpart Henry Fords always-black tin lizzie lives on unique handful machines filling niche perfectly earned singular prestige did DC-3 among trans port aircraft Cub springs quickly mind whenever tries list work aday super stars 75 years flying history No humbler design ever acquired such mystique people including writer learned fly Cub other machine Already familiar rural flying field America became doub ly world famous Grasshopper WW II Oh contemporaries Cub Grasshopper remembered Now lastingly familiar car drive power durability handling qualities brought job alone balanced perfectly razors edge anything less being inad equate anything being needed ubiquitous Cub simply fitted well youd never no tice yet observed much luck 65-hp Cub nevertheless among worthy aircraft can put human terms Consider Charlie Charlie 1945 salty eagle-eyed old timer roosted old Santa Fe airport pride joy classic red Cessna Airmaster cross-country jaunts Course lines drawn like game trails over tattered all-brown charts everyday work jil lion-mile Cub grizzled barnstormer air show typeyou know toiletpaper-cutting cuts win wizard drunk steals warming up airplane announcer spielshe sported faded red peaked cap perpetual tumbleweed cigar always clenched 270 degrees mountain pilot Now thats very special breed cat know lore mesas canyon winds live swap stories couldnt fly hed tell take Cub get lost dont 0 Cl- mention money Hed land Cub go hunting would come back venison piled rear hed land top some dam go fishing depth perception micrometer sharp drove allowed just enough space paint clear put down Cub silken touch earth looked flat bright Rocky Mountain morn took us up preach mountain pi lotage Bible according Charlie First matter wind cross mesa downwind first got altitude leveled off flew over Never try climb over waterfall wind unmerciful going downwind declared impossible hit ground approached lee edge Try hed challenge al ways supreme confidence SLP Senior Local Pilot never under stoodexcept obvious must have done something right live sage pushed over steep dive taking aim brow cliff held Almost ground wind lifted Cub like magic bumped past cliff dive continued uninterrupted Over nearby canyon Rio Grande Los Alamos sparkling white just off right went steep bank round round letting ship sink gradually canyon down down presently conspicu ous doorway ancient cliff dwelling kept flashing hed point pass say See canyon widened enough flatten wings skimmed dry-season trickle water yawing wing tip other slice through flatout flock ducks took evasive ac tion marvelous Immelmans back steep bank round round slowly ascending Cub strug gled out gorge strip dirt road wheel landing full throttlehe practically ignored throttle Iand Cub racing across barren land comet tail dust right-angle turn ahead small tree intersection Around went full tilt wheels Flying again low dust trail hung Power lines ahead Would go over under Continued page 101 4 Model Aviation HENDERTOON -/ 4 THE JUG IS HERE P-47D Razorback Bubble Version Special Features piece Scale ABS Cowl includes Motor e Detailed Scale Canopy Sliding Canopy Illustrations e Dashboard Scale Printed Instrument Panel e Pilot Seat Scale Operating Inter Cooler Doors Bomb Drop Hook-up Illustrations Bombs w/ply Fins Tank Exact Scale Turbo Charger Duct Converts Bubble Canopy easily other Scale Details Shown Optional Illustrated Exhaust Expansion Chamber allowsoil separationMuffler functionand two Scale Exhaust Outlets JEMCO 1305 Foothill Dr Vista Ca 92083 714724-3242 Openers/Winter continued page 4 now never went under themas knew would long last set up approach informed us would drunken pilot act Now weve always suspected some people can fly Cub less minimum flying speed Weve watched Piper test pilots long ago wishing walk across field haul Cub off ground af ground So said two Once could insult figured Down dropped Cub touched ever light ly air appeared between wheel runway Slowly turned once twiceand stopped thus ended routine hop Down Hobbsthe next day watch locals practice airshow Two guys Cubs slicing toilet tissue ribbons Altitude limited dont have day act Seven cuts best So old Charlie borrowed Cub ter briefest runs sort nose-and showed Thirty-seven high slip slow-motion slide acrosscuts did fly back forth atthe fieldtacking ribbon hung just hairiest part drunk-pilot actto spectatorsis jack rabbit landing looks fearful bounces real gigantic Charlie kissing runway scant air speed after bump should give goose bumps ship really felt rock-solid another galloping bump another way down runway After bump Charlie called times would like see wheels turn Pick number five nutz Humor old boy must wishing embarrass him asking fiveiwful rolled six times instead five maybe four could shattered slow getting picture talking wheel turns air after bounce swinging wing tip back forth like scythe dont buy problem dont care fly 747s jet fighters did allow old trick squeeze roll before tossed outtakes longer unravel Maybe will wonder what held up Cub slipped way cut cut37 can still see Cubs air shows Whether late great Bevo Howard skimming runways inverted Old Perfessor show Cubs can catch act demonstrate no airplane ever devised can pre 6-ft Sniffer mentioned earlier column 50% enlargement Midwest plan itself derivative Simmers hA FF late Forties An 0S35 muffler pressure Fins enlarged airfoiled stab trimmed zero instead negative wing incidence poly decreased Five ounces ballast puts CG 37% chord Nose slightly lengthened open structure beefed up ala typical sport model William 4/2 Vintage wheels Flies nicely 11 -3/2 prop July1979 101 ror coaor picture Picture Above 40-60 Engine An Exact Scale R/C Kit54 Span 525 Sq Kit Includes4-6 Channel Usual JEM-LOC Easy Fuse ConstructionLAZY BUILDERS Foam Core Wings Extra LargeLOVE OUR KITS Trailing Edges simple AileronBecause easiest build Flap RemovalScale Kits around Three Views Six Profiles withWrite Catalog Color Notes e $9495 Decal Sheet allows Six Color Schemes Formed Plastic Parts Hard make Shapes new releases Bucker ITT herb clukey wingspan Seagu 11for rubber available soon C02 power SEE YOURsend 25$ DEALER NOWcatalog FLYLINE MODELS INC 282000A53V55u5B PAISPAX VIRGINIA 2200TOOl 532030 cisely extend human arms legs senses man controls crate alivethe pilot its brain will build model Cubs forever Maybe Hazel Sigs Clipped-Wing Cubthe big flies typical air show ship others mind finest model Cubs classic sense 6-foot J-3 Chuck Hollinger appeared Air Trails during fifties kitted Berkeley Berkeley Fairchild low-wing trainer another Hollinger masterpiece Berkeley failed product line went Fox Sig Well bet Sig has some Hollinger J-3 plans barn about Sig Mac Mike Ah Cub-yellow Hollinger Cub What collectors item what bird model Cub captures essence real Cub its framing its flight stuff dreams made RC Technique/Myers continued page 19 about Lithium batteries ELTs know about should no trick make up similar system using nickle cadmium batteries important points 1 backup battery should have separate electrical path receiver avoid total failure broken wire 2 backup battery should operate simultaneously parallel ANNOUNCING Fast Steep Climb FLat Slow Glide 4 new P30 class model designed novice mind has potential win toughest THE POTENT30 Delece kit lectures include Rolled balsa fuselage wing mount dt Completed prop nose plug tail plugS rudder Precut wing ribs spar notches job rated balta strips Highest qualoty tossue lu bed Contest rubber Detailed instructoons flying tips help winl CAT NO R2 $695 PP check money Order CHAS WERLE 3620 MORSE AVE NOS SACTO CALIF 95821 primary battery backup battery idea should incor porated plane powered engine larger 049 larger heavier airplane important protection becomes wind blows dust eyes system fails club has few rules number 1 rule Buddy System Flying alone asking trouble Suppose have make landing cant see kid standing behind runway Does situation always leave enough time take eyes off plane quick look larger models certainly feasible use two parallel completely independent RC systems control No doubt will some complaints about Hogging Channels increased reliability will Mathematically operating two parallel systems 9 reliability system reli ability becomes 99 think unnecessarily high consider fact reliability goal Lunar Module 99999 try figure out achieved Well friends Ive run out column space before have run out ideas have read far consider call new ideas increased RC systms reli ability will publish far space permits credit presenting George Myers 70 Froehlich Farm Rd Hicksvile NY 11801 Ugly/Beckman continued page 22 epoxy use Tra-Bond 2248 made Tra Can Inc 55 North St Medford Mass 02155 can supply what call BIPAX premeasured amounts resin hardener single plastic bag separated plastic clip remove clip mix two parts cut off corner bag squeeze out epoxy Pot life three hours have plenty time assemble things must follow special curing schedule muffler parts fitted ready mix apply epoxy Put thin coat surfaces contact screws before install Run bead epoxy along seams joints epoxy thixotropic helps keep want it will thin out run bit during cure pile too thick Once everything except engine course together let sit room temper ature 700—750F 12 hours specs call two hours at650C two hours 900 C four hours 1 250C temper atures convert 1490F 1940F 2570F will lower end kitchen ovens range arent super critical get close can important shot pick time can tie up oven eight hours straight end result will muffler will hold together normal operating tem peratures engine warts will out sight RC Aerobatics/Van Putte continued page 23 cause during straight flight However air craft speed changes during loops will proba bly cause airplane yaw since correct rudder trim will vary airspeed Check alignment vertical fin fix misalignment discover prepared use rudder during loops correct heading tendency Fiberglass fuselages have gone long way toward elimination bananashaped fuselage curved fuselage causes side force generated after rudder adjusted trim out yawing tendency straight flight combination side force change correct rudder trim during loops causes airplane move sideways change heading Unfortunately elimination problem would require fuselage modification people willing perform alternative use rudder compensate yawing tendency vow build fuselage straight next time Most engine-muffler/pipe installations will cause yaw problems unless rear exhaust engine coupled tuned pipe installed fuselage used drag muffler/pipe causes yawing tendency aircraft Some pipe 102 Model Aviation ONLY LIGHiWEIGHTOUNCE SUPERPERSO FT / COVE RITE STRONGER BY FAR THAN ANY OTHER IRON ON RED WHITE BLUE YELLOW ORANGE ANTIQUE FABRIC COVERIT 420 Babylon Rd Horsham Pa 19044 great schoolyard scale TRAVEL AIR 6000 020 power 36span 12 channel RIC tree flight 51495