Control Line Aerobatics Ted Fancher FLY LIKE CHAMPION Part III Square Loops Lets kill bunch birds stone talk about cornered maneuvers general toughest part cornered maneu vers source mistakes will cost points corner end vertical dive score well must execute corners precision thing can simplify task will reap huge dividends Unfortunately vast major ityof Stunters including legend two make corners much harder necessary through misinterpretation maneuver description has never existedand just reviewed rule book since 1949 assure myself fact rule book descriptions both Square Loops Triangles specify raight equal-sized segments correct fly Square Loops short top long bottom incorrect also makes bottom corner less 900 making maneuver much diffi cult See Figure IV work diligently ensure vertical legs Square maneuver truly vertical will have simplified immensely Square maneuvers should have same gular dimensions round maneuvers expert should working achieving consistency begin ner new advanced flier remember fly smaller tighter can well As skills improve start bringing down size match rounds entry Outside Squares proba bly second scariest moment pattern Doing properly makes much easier Really nail first corner Dont try ease quicker establish verticalrepeat verticaldive sooner youll able pick up ground easier will tough diving corner high winds bias squares did rounds Remember maneuver shape described flight path airplane its body angle will have adjust amount turn compensate effect wind Nobody said going FIGURE IIVI SQUARE LOOPS Ted concludes Fly Like Champion mini-series month See column comments Square maneuvers easy guys alternative fly Squares directly downwind feel unacceptable since airspeed builds up fast Also since tough diving corner will performed down wind lift necessary fly good corner such high speeds will simply available calm air critical areas both Square Loops bottom two corners both cas es backpedaling should occur during top horizontal leg Step back reset stance fly next critical area precisely undis turbed air As Squares Triangle should con sist three equal sides three equal cor ners too often flown very long base two very sharp corners ends large corner top Wrong wrong wrong Enter Triangles correctly flying pre cise corner slighMy past vertical climb 45 0 fly another equally-precise corner slight ly short vertical dive now set up steep vertical dive pullout can accomplished relatively easilyas op posed shallow nearly inverted back leg common misshapen Triangle see Fig V Most Triangle errors shape-related Con stant vigilance key Dont talk yourself FIGURE V 7WRONG AND HARDER EASIER CDRRECT TRIANGLES Triangular maneuvers aiso require some speciai techniques practice Take Teds hard-won advice accepting poor shapes simply because youve become comfortable doing way judge doesnt care whether youre comfortable Flying Triangles wind similar Inside Squares Watch flight path rather body angle determine shape avoid flying tough diving corner downwind calm backpedaling during climbing leg Like round loops round Eights should looking good thanks prac tice making positive entries avoiding fly ing beyond point tangency loops An additional point consider Eights use aiming point inter section hit time Concentrating three points will make picture-perfect round Eights seem easy. wecell easier two Horizontal Eights round square maneuvers really mercy elements must flown directly downwind adjustments can make trim suggestions last month wind howls prepared use full turn-potential ship critical areas round Eights intersections Plan move backwards just af ter ship passes intersection calm air Although rule book speaks eloquently modified Square Loops discussing Square Eights feel best served thinking simply inside outside Square Loops common side inter section Follow admonition make vertical sides truly vertical order make diving corners easier Fight inclination let top legs climb intersections criss cross rather vertical ship main tains better tension inside outside bias intersection bit wind helps tension soft direction Tom Dixons Fox 35-powered Orientai sports epoxy-and-MonoKote finish weighs 38 oz Tom says Oriental new Stunt fliers beat first built-up Stunter flies just like Nobler Tom sells lots CL Stunt goodies engines August 1986 69 Doug Dahikes Baby Sandbagger flies TD 051 Wingspan ls31-1/4 wing area 191 sq Doug says turns sharply flying 37 mph tracks smoothly Continued page 154 Tom Dixon Atlanta GA won both 84 85 King Orange Internats Stunt event Merco 60-powered Big Thunderbird EASY TO BUILD HANDCRAFTED KITS AT LOW PRICES 3g spanWeigni OsWing span s Wing span WeIght 4 lOs Length 53 inEngine 60 -90Length 45 inEngine 45 -60Length 48 inEngine 40 Kits include Pre-built fiberglass fuselage foam cores sheeted balsa machine cut balsa tail surfaces shaped strip ailerons complete hardware pack SEND CHECK OR MONEY ORDER TOVISA & MASTER CARD ACCEPTED W HORIZON MODELS INC T-404 Kelly Ave Manchester NH 03103 603 627-9503 indoors club meeting won trophy strong belch would throw off course terminal tail slide airfoil shown should very generally allow better penetration turbulence pro vide superior glide somewhat durable could increase mo tor tube length believe would appreciably enhance performance V-dihedral has tried have taller pylons neither added much except struc tural problems heart design low aspect ratio wing very slow prop/rubber combination opposed tra ditional out-of-sight climb/glide mode uppermost thought fun pursuit toward worthwhile goal uncon ventional point view hope build fly project will extract same pleasure did 154 Model Aviation CL Scale/Boss Continued page 68 patibility chart May 1985 column stiffened cloth will easier work will look much neater threads will straighter instead wavy squirrelly look cant avoid using standard application method item W Rozelle found Wing Tips Newsletter Mid-Hudson Mod elmasters courtesy SAM re printed Corsair Mini-contest report Roland Baltes San Pedro CA reports Southwestern Regionals held Buckeye AZ once seeing fair turnout CL Sport Scale event years event held January entry nine models four twin-engine types Weather good temperature Seventies wind minimum excellent day Scale flying Some months photos Roland Buckeye entries Roland commented nine entries may seem like much happening area hasnt seen Scale meet over year turnout nine considered fairly good Roland expects next years contest hopes able report another good increase activity Please send correspondenceand espe cially photosrelating CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 CL Aerobatics/Fancher Continued page 69 other maneuver Square Eight helped aft center gravity wind Because planes speed increase opens up corners tough keep maneuver right size As mentioned last month horse power maneuver strong engine will worth its weight gold maintaining line ten sion resisting speed increases hint havent great engine make maneuver tall narrow spend less time try ing penetrate wind wont perfect will able complete recogniza able Eight calm air move backwards during top horizontal leg thus allowing critical areas bottom corners intersectionto flown free wake turbulence Also avoid hit ting corners hard calm high drag results will sap airspeed horse power weak engine can run out steam long difficult Square Eight Whipping couple laps prior entry will build up little stored energy good air Vertical Eight quite easy can find cloud 450 use inter sections simply fly two perfect loops top other wind up becomes lot tougher way up never let fuselage get hori zontal intersection does will never get top loop round right size against wind Reverse control just before path airplane starts descend regardless its body angle Once get top consciously apply Down control maintain radius outside loop make intersection wind blows down exception rule never seeing body angle tangent intersection before reversing control Allow flight path just stop descending before giv ing Up complete Eight Try avoid non-pro look climbing inverted inter section relatively painless calm-air maneu ver step two just past intersection way up should enough Hourglass probably mistreated maneuvers almost fliers make same errors As Triangle first corner turned too far resulting climb angles far off fliers right second error often combination first mak ing top leg parallel bottom Both er rors result plane being position impossible complete maneu ver acceptably either front behind directly over head flier solution addition horsepower first error stop first corner just flying correct Triangle resulting climb steep slightly infl fl P55 PS flflPS PS PS PS PS S PS PS 4 VIDEO i Special Summer Rates June tbru August Only Rentals 1y 1195 Any 2 2300 All Tape Purchases 10% OFF - - Retail - 1 Basic Construction Beginners 107 Mm 49 95 42 Basic Flight Training Beginners 65 Mm44 95 3 World Model Aniarion 90 Mm 44 95 4 Oshkosh Onerviess 55Mm 3995 5Airplane Funnies 30 Mm39 95 61JS Scln Masters 60 Mm4195 Action 75 Mm 4995 dge Hoppin Vol 145 Mm 41 95 4 9 Which Wag Up 70 Mm 47954 K lOHedga Hoppin Vol 1140 Mm 4195 4 Rental Depositm Retail Price Tape 4 K Rental Dnratlnnm 7 Days After Del lueryK K Payment Chech 110 daysl MO Visa/M C Card # & 4 4 Eup Date Phone # C OD u Anailahle hy Phone4 K Shippingm 375 Foreign Canada Add 10% Total 4 4 Others 15% IL Res Add 7% Tan4 KAcademy AvIatIon R & D PO Boo 2774 4Hazel Crest IL 60428 335-07764 4.4 verted make top parallel base use body reference once Plant feet squarely maneuver direct ly front Start left foot climb spot just over right shoulder fly Wing Over path point just over left shoulder dive right foot Done properly pieces should fall place Oh earlier probably wondered scariest part pattern just flew last corner Hourglass much easier youve avoided two classic errors must go noticeably inverted make intersection bottom corner im possible Avoid problem standing Hourglass up straight gimme maneuver calni air No crit ical areas Just plant feet nail wind very tough havent gangbuster engine youll have no choice let climb less vertical desirable can salvage acceptable maneuver allow ing top go far left let go right climb dive will also inverted should must accept maneuver will symmetrical sure adjust top right corner flight path directly over head parallel base No question wind blows toughest bunch dIfficulty Overhead Eight comes lack visual reference Once again use body reference feet square facing wind climb ver NEW SPACE SAVING FUEL CONTAINER Fituintourgus 2s73/Shighxt 1/8 Tough Rigid Polyethylene Includes Tuhleg pluu $128 postage Fastener Loch Tuhing Through Cup North Products PO Box 18419 cleveland Heights OH 44118 tically directly front Bend back much can ensure Eight overhead rather front Now fly Figure Eight intersection directly over nose loops over appropriate shoulder keep airplane view using peripheral vision size will good have move head follow Eight probably too big Recover half turn body face downwind nice smooth recovery level flight safer try ing nail like Wing Over Another freebie calm air wind youll probably have let open up bit dont have super engine penetrate wind can get blown out Over heads make sure fudge enough com plete itno matter bad looks dont want lose pattern points know four loops Four Leaf Clover should same size maneuver should start slightly below 45O t should appear compact since loops should slightly smaller others pattern Common errors avoid pulling out first loop lower entry level thus cramping lower loops loops overlapping another flight paths between segments being either horizontal vertical appropriate Again Clover best performed straight down wind directly front help achieve symmetry Like Hourglass Clover breeze calm tornado wind blows Horsepower again best ally proper entry aint got try tricks stead entering right downwind entire maneuver centered delay en try until directly downwind will enable complete first loop far toughest Now slowly fudge ma neuver back proper position will result little overlapping loops should able complete recognizable Clover in preferable blowing out second method entry fly shallow Wing Over first loop thus building up little energy dive have choice plan land downwind reduce chance bouncing noticeably Dont try touch down minimum speed lose control effectiveness use same footwork flight should know loops will take clear lines landing recommend doing especially wet humid little stickiness lines can make fine control problem engine out helpful high winds able shut off engine loop experience will teach proper time Use large loop directly downwind about 20 feet highso dont bleed off speed engine quits descend smoothly prompfly ground allowing wind reduce airspeed ready touch down downwind Once ground apply Down control increase load wheels keep airplane becoming airborne rolls around circle back wind Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 responding advertisers mention thatyou read about ModelAviation DIA 634 728 33*4 56 83 3&3/4 4 5 68 8*4566* 94 566* 7 7* 104 56 6W 6* 78W 106EW 114 6 7 7* 7* 7&3/4 8 116EW 11*67 124W 5 SW, 6 1356 1456 1556 16678 FOUR-CYCLE TAILORED HELICAL PITCH 126 6* 7 7* 8 136 7 7*8 146 7 7*8 1567 16678 PYLON RACING 75N 5*N 8&3/46* 6&3/4 7 7* 7&3/4 97 7* 7&3/4 W Wide blade EW Extra wide PRICE $149 $179 $L89 $199 $199 $209 $219 $229 $239 $239 $279 $359 $459 $659 $949 $299 $389 $489 $889 $989 $279 $289 $289 N Narrow SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES COMPLETE INVENTORY OF CUSTOM & STOCK PARTS OLD TIMER SUPPLIES CARBON FIBER COILS CONDENSERS SILK TRANSISTOR IGNITION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES NEW! 1/2A PLAYBOY SR FOR 1/2A TEXACO RIC FF ELECTRIC OR SPORT KIT $2995 ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD WSA & MASTERCARD WELCOME DEALER INQWRIES INVITED ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX August1986 155 OUR INVENTORY AVERAGES OVER 8000 PROPS! SPECIAL PRO SERIES PITCH * SCALE DOCUMENTATION* SCALE DRAWINGSMODEL PLANS PHOTOS 4 BOOKS EPLA-TECH 1086 INTERNATIONAL AIRPLANE CATALOG OVER 100 PAGES48500 MCKENZIE HWY $300VIDA OREGON 97488 P AW DIESELS Englands Finest 049 35 R/C STD Send $100 list Eric Ciutton 913 Cedar Lane Tullahoma Tenn 37388 WOOLOS 0100007 OCALO PHOTO SOeVICO 000 PHOTO PACKS PLANS 3 VIEWS PHOTO-PACKSPLANS ENLARGING 5*SE Enlarulno ooou Catalog 0300 SCRIE PlANS PHOTil SERViCE 3209 Mudlson 6euosboo NC 27403 PhOTo 15t912925239 No CoIled LATHES NO MACHINES INE SN5P SUPPLIES Aoluten Modeler ~MAcHINERYANpjp9LSINC -7 P0 00K 536-VWV 2002 COlog $120456 2630 ,p200 pg, end ,Ofo onberfrordn odqc
Edition: Model Aviation - 1986/08
Page Numbers: 69, 154, 155
Control Line Aerobatics Ted Fancher FLY LIKE CHAMPION Part III Square Loops Lets kill bunch birds stone talk about cornered maneuvers general toughest part cornered maneu vers source mistakes will cost points corner end vertical dive score well must execute corners precision thing can simplify task will reap huge dividends Unfortunately vast major ityof Stunters including legend two make corners much harder necessary through misinterpretation maneuver description has never existedand just reviewed rule book since 1949 assure myself fact rule book descriptions both Square Loops Triangles specify raight equal-sized segments correct fly Square Loops short top long bottom incorrect also makes bottom corner less 900 making maneuver much diffi cult See Figure IV work diligently ensure vertical legs Square maneuver truly vertical will have simplified immensely Square maneuvers should have same gular dimensions round maneuvers expert should working achieving consistency begin ner new advanced flier remember fly smaller tighter can well As skills improve start bringing down size match rounds entry Outside Squares proba bly second scariest moment pattern Doing properly makes much easier Really nail first corner Dont try ease quicker establish verticalrepeat verticaldive sooner youll able pick up ground easier will tough diving corner high winds bias squares did rounds Remember maneuver shape described flight path airplane its body angle will have adjust amount turn compensate effect wind Nobody said going FIGURE IIVI SQUARE LOOPS Ted concludes Fly Like Champion mini-series month See column comments Square maneuvers easy guys alternative fly Squares directly downwind feel unacceptable since airspeed builds up fast Also since tough diving corner will performed down wind lift necessary fly good corner such high speeds will simply available calm air critical areas both Square Loops bottom two corners both cas es backpedaling should occur during top horizontal leg Step back reset stance fly next critical area precisely undis turbed air As Squares Triangle should con sist three equal sides three equal cor ners too often flown very long base two very sharp corners ends large corner top Wrong wrong wrong Enter Triangles correctly flying pre cise corner slighMy past vertical climb 45 0 fly another equally-precise corner slight ly short vertical dive now set up steep vertical dive pullout can accomplished relatively easilyas op posed shallow nearly inverted back leg common misshapen Triangle see Fig V Most Triangle errors shape-related Con stant vigilance key Dont talk yourself FIGURE V 7WRONG AND HARDER EASIER CDRRECT TRIANGLES Triangular maneuvers aiso require some speciai techniques practice Take Teds hard-won advice accepting poor shapes simply because youve become comfortable doing way judge doesnt care whether youre comfortable Flying Triangles wind similar Inside Squares Watch flight path rather body angle determine shape avoid flying tough diving corner downwind calm backpedaling during climbing leg Like round loops round Eights should looking good thanks prac tice making positive entries avoiding fly ing beyond point tangency loops An additional point consider Eights use aiming point inter section hit time Concentrating three points will make picture-perfect round Eights seem easy. wecell easier two Horizontal Eights round square maneuvers really mercy elements must flown directly downwind adjustments can make trim suggestions last month wind howls prepared use full turn-potential ship critical areas round Eights intersections Plan move backwards just af ter ship passes intersection calm air Although rule book speaks eloquently modified Square Loops discussing Square Eights feel best served thinking simply inside outside Square Loops common side inter section Follow admonition make vertical sides truly vertical order make diving corners easier Fight inclination let top legs climb intersections criss cross rather vertical ship main tains better tension inside outside bias intersection bit wind helps tension soft direction Tom Dixons Fox 35-powered Orientai sports epoxy-and-MonoKote finish weighs 38 oz Tom says Oriental new Stunt fliers beat first built-up Stunter flies just like Nobler Tom sells lots CL Stunt goodies engines August 1986 69 Doug Dahikes Baby Sandbagger flies TD 051 Wingspan ls31-1/4 wing area 191 sq Doug says turns sharply flying 37 mph tracks smoothly Continued page 154 Tom Dixon Atlanta GA won both 84 85 King Orange Internats Stunt event Merco 60-powered Big Thunderbird EASY TO BUILD HANDCRAFTED KITS AT LOW PRICES 3g spanWeigni OsWing span s Wing span WeIght 4 lOs Length 53 inEngine 60 -90Length 45 inEngine 45 -60Length 48 inEngine 40 Kits include Pre-built fiberglass fuselage foam cores sheeted balsa machine cut balsa tail surfaces shaped strip ailerons complete hardware pack SEND CHECK OR MONEY ORDER TOVISA & MASTER CARD ACCEPTED W HORIZON MODELS INC T-404 Kelly Ave Manchester NH 03103 603 627-9503 indoors club meeting won trophy strong belch would throw off course terminal tail slide airfoil shown should very generally allow better penetration turbulence pro vide superior glide somewhat durable could increase mo tor tube length believe would appreciably enhance performance V-dihedral has tried have taller pylons neither added much except struc tural problems heart design low aspect ratio wing very slow prop/rubber combination opposed tra ditional out-of-sight climb/glide mode uppermost thought fun pursuit toward worthwhile goal uncon ventional point view hope build fly project will extract same pleasure did 154 Model Aviation CL Scale/Boss Continued page 68 patibility chart May 1985 column stiffened cloth will easier work will look much neater threads will straighter instead wavy squirrelly look cant avoid using standard application method item W Rozelle found Wing Tips Newsletter Mid-Hudson Mod elmasters courtesy SAM re printed Corsair Mini-contest report Roland Baltes San Pedro CA reports Southwestern Regionals held Buckeye AZ once seeing fair turnout CL Sport Scale event years event held January entry nine models four twin-engine types Weather good temperature Seventies wind minimum excellent day Scale flying Some months photos Roland Buckeye entries Roland commented nine entries may seem like much happening area hasnt seen Scale meet over year turnout nine considered fairly good Roland expects next years contest hopes able report another good increase activity Please send correspondenceand espe cially photosrelating CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 CL Aerobatics/Fancher Continued page 69 other maneuver Square Eight helped aft center gravity wind Because planes speed increase opens up corners tough keep maneuver right size As mentioned last month horse power maneuver strong engine will worth its weight gold maintaining line ten sion resisting speed increases hint havent great engine make maneuver tall narrow spend less time try ing penetrate wind wont perfect will able complete recogniza able Eight calm air move backwards during top horizontal leg thus allowing critical areas bottom corners intersectionto flown free wake turbulence Also avoid hit ting corners hard calm high drag results will sap airspeed horse power weak engine can run out steam long difficult Square Eight Whipping couple laps prior entry will build up little stored energy good air Vertical Eight quite easy can find cloud 450 use inter sections simply fly two perfect loops top other wind up becomes lot tougher way up never let fuselage get hori zontal intersection does will never get top loop round right size against wind Reverse control just before path airplane starts descend regardless its body angle Once get top consciously apply Down control maintain radius outside loop make intersection wind blows down exception rule never seeing body angle tangent intersection before reversing control Allow flight path just stop descending before giv ing Up complete Eight Try avoid non-pro look climbing inverted inter section relatively painless calm-air maneu ver step two just past intersection way up should enough Hourglass probably mistreated maneuvers almost fliers make same errors As Triangle first corner turned too far resulting climb angles far off fliers right second error often combination first mak ing top leg parallel bottom Both er rors result plane being position impossible complete maneu ver acceptably either front behind directly over head flier solution addition horsepower first error stop first corner just flying correct Triangle resulting climb steep slightly infl fl P55 PS flflPS PS PS PS PS S PS PS 4 VIDEO i Special Summer Rates June tbru August Only Rentals 1y 1195 Any 2 2300 All Tape Purchases 10% OFF - - Retail - 1 Basic Construction Beginners 107 Mm 49 95 42 Basic Flight Training Beginners 65 Mm44 95 3 World Model Aniarion 90 Mm 44 95 4 Oshkosh Onerviess 55Mm 3995 5Airplane Funnies 30 Mm39 95 61JS Scln Masters 60 Mm4195 Action 75 Mm 4995 dge Hoppin Vol 145 Mm 41 95 4 9 Which Wag Up 70 Mm 47954 K lOHedga Hoppin Vol 1140 Mm 4195 4 Rental Depositm Retail Price Tape 4 K Rental Dnratlnnm 7 Days After Del lueryK K Payment Chech 110 daysl MO Visa/M C Card # & 4 4 Eup Date Phone # C OD u Anailahle hy Phone4 K Shippingm 375 Foreign Canada Add 10% Total 4 4 Others 15% IL Res Add 7% Tan4 KAcademy AvIatIon R & D PO Boo 2774 4Hazel Crest IL 60428 335-07764 4.4 verted make top parallel base use body reference once Plant feet squarely maneuver direct ly front Start left foot climb spot just over right shoulder fly Wing Over path point just over left shoulder dive right foot Done properly pieces should fall place Oh earlier probably wondered scariest part pattern just flew last corner Hourglass much easier youve avoided two classic errors must go noticeably inverted make intersection bottom corner im possible Avoid problem standing Hourglass up straight gimme maneuver calni air No crit ical areas Just plant feet nail wind very tough havent gangbuster engine youll have no choice let climb less vertical desirable can salvage acceptable maneuver allow ing top go far left let go right climb dive will also inverted should must accept maneuver will symmetrical sure adjust top right corner flight path directly over head parallel base No question wind blows toughest bunch dIfficulty Overhead Eight comes lack visual reference Once again use body reference feet square facing wind climb ver NEW SPACE SAVING FUEL CONTAINER Fituintourgus 2s73/Shighxt 1/8 Tough Rigid Polyethylene Includes Tuhleg pluu $128 postage Fastener Loch Tuhing Through Cup North Products PO Box 18419 cleveland Heights OH 44118 tically directly front Bend back much can ensure Eight overhead rather front Now fly Figure Eight intersection directly over nose loops over appropriate shoulder keep airplane view using peripheral vision size will good have move head follow Eight probably too big Recover half turn body face downwind nice smooth recovery level flight safer try ing nail like Wing Over Another freebie calm air wind youll probably have let open up bit dont have super engine penetrate wind can get blown out Over heads make sure fudge enough com plete itno matter bad looks dont want lose pattern points know four loops Four Leaf Clover should same size maneuver should start slightly below 45O t should appear compact since loops should slightly smaller others pattern Common errors avoid pulling out first loop lower entry level thus cramping lower loops loops overlapping another flight paths between segments being either horizontal vertical appropriate Again Clover best performed straight down wind directly front help achieve symmetry Like Hourglass Clover breeze calm tornado wind blows Horsepower again best ally proper entry aint got try tricks stead entering right downwind entire maneuver centered delay en try until directly downwind will enable complete first loop far toughest Now slowly fudge ma neuver back proper position will result little overlapping loops should able complete recognizable Clover in preferable blowing out second method entry fly shallow Wing Over first loop thus building up little energy dive have choice plan land downwind reduce chance bouncing noticeably Dont try touch down minimum speed lose control effectiveness use same footwork flight should know loops will take clear lines landing recommend doing especially wet humid little stickiness lines can make fine control problem engine out helpful high winds able shut off engine loop experience will teach proper time Use large loop directly downwind about 20 feet highso dont bleed off speed engine quits descend smoothly prompfly ground allowing wind reduce airspeed ready touch down downwind Once ground apply Down control increase load wheels keep airplane becoming airborne rolls around circle back wind Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 responding advertisers mention thatyou read about ModelAviation DIA 634 728 33*4 56 83 3&3/4 4 5 68 8*4566* 94 566* 7 7* 104 56 6W 6* 78W 106EW 114 6 7 7* 7* 7&3/4 8 116EW 11*67 124W 5 SW, 6 1356 1456 1556 16678 FOUR-CYCLE TAILORED HELICAL PITCH 126 6* 7 7* 8 136 7 7*8 146 7 7*8 1567 16678 PYLON RACING 75N 5*N 8&3/46* 6&3/4 7 7* 7&3/4 97 7* 7&3/4 W Wide blade EW Extra wide PRICE $149 $179 $L89 $199 $199 $209 $219 $229 $239 $239 $279 $359 $459 $659 $949 $299 $389 $489 $889 $989 $279 $289 $289 N Narrow SPECIALISTS IN CUSTOM COX TEE DEE & REED ENGINES COMPLETE INVENTORY OF CUSTOM & STOCK PARTS OLD TIMER SUPPLIES CARBON FIBER COILS CONDENSERS SILK TRANSISTOR IGNITION SYSTEMS TIMERS ETC REPLICA OR WICK ENGINES NEW! 1/2A PLAYBOY SR FOR 1/2A TEXACO RIC FF ELECTRIC OR SPORT KIT $2995 ORDER BY MAIL OR PHONE 714 830-5162 SORRY NO COD WSA & MASTERCARD WELCOME DEALER INQWRIES INVITED ALL PRICES ARE POSTPAID ON ORDERS OVER $10 ORDERS SHIPPED FIRST CLASS MAIL WITHIN 24 HRS CALIFORNIA RESIDENTS ADD 6% TAX August1986 155 OUR INVENTORY AVERAGES OVER 8000 PROPS! SPECIAL PRO SERIES PITCH * SCALE DOCUMENTATION* SCALE DRAWINGSMODEL PLANS PHOTOS 4 BOOKS EPLA-TECH 1086 INTERNATIONAL AIRPLANE CATALOG OVER 100 PAGES48500 MCKENZIE HWY $300VIDA OREGON 97488 P AW DIESELS Englands Finest 049 35 R/C STD Send $100 list Eric Ciutton 913 Cedar Lane Tullahoma Tenn 37388 WOOLOS 0100007 OCALO PHOTO SOeVICO 000 PHOTO PACKS PLANS 3 VIEWS PHOTO-PACKSPLANS ENLARGING 5*SE Enlarulno ooou Catalog 0300 SCRIE PlANS PHOTil SERViCE 3209 Mudlson 6euosboo NC 27403 PhOTo 15t912925239 No CoIled LATHES NO MACHINES INE SN5P SUPPLIES Aoluten Modeler ~MAcHINERYANpjp9LSINC -7 P0 00K 536-VWV 2002 COlog $120456 2630 ,p200 pg, end ,Ofo onberfrordn odqc
Edition: Model Aviation - 1986/08
Page Numbers: 69, 154, 155
Control Line Aerobatics Ted Fancher FLY LIKE CHAMPION Part III Square Loops Lets kill bunch birds stone talk about cornered maneuvers general toughest part cornered maneu vers source mistakes will cost points corner end vertical dive score well must execute corners precision thing can simplify task will reap huge dividends Unfortunately vast major ityof Stunters including legend two make corners much harder necessary through misinterpretation maneuver description has never existedand just reviewed rule book since 1949 assure myself fact rule book descriptions both Square Loops Triangles specify raight equal-sized segments correct fly Square Loops short top long bottom incorrect also makes bottom corner less 900 making maneuver much diffi cult See Figure IV work diligently ensure vertical legs Square maneuver truly vertical will have simplified immensely Square maneuvers should have same gular dimensions round maneuvers expert should working achieving consistency begin ner new advanced flier remember fly smaller tighter can well As skills improve start bringing down size match rounds entry Outside Squares proba bly second scariest moment pattern Doing properly makes much easier Really nail first corner Dont try ease quicker establish verticalrepeat verticaldive sooner youll able pick up ground easier will tough diving corner high winds bias squares did rounds Remember maneuver shape described flight path airplane its body angle will have adjust amount turn compensate effect wind Nobody said going FIGURE IIVI SQUARE LOOPS Ted concludes Fly Like Champion mini-series month See column comments Square maneuvers easy guys alternative fly Squares directly downwind feel unacceptable since airspeed builds up fast Also since tough diving corner will performed down wind lift necessary fly good corner such high speeds will simply available calm air critical areas both Square Loops bottom two corners both cas es backpedaling should occur during top horizontal leg Step back reset stance fly next critical area precisely undis turbed air As Squares Triangle should con sist three equal sides three equal cor ners too often flown very long base two very sharp corners ends large corner top Wrong wrong wrong Enter Triangles correctly flying pre cise corner slighMy past vertical climb 45 0 fly another equally-precise corner slight ly short vertical dive now set up steep vertical dive pullout can accomplished relatively easilyas op posed shallow nearly inverted back leg common misshapen Triangle see Fig V Most Triangle errors shape-related Con stant vigilance key Dont talk yourself FIGURE V 7WRONG AND HARDER EASIER CDRRECT TRIANGLES Triangular maneuvers aiso require some speciai techniques practice Take Teds hard-won advice accepting poor shapes simply because youve become comfortable doing way judge doesnt care whether youre comfortable Flying Triangles wind similar Inside Squares Watch flight path rather body angle determine shape avoid flying tough diving corner downwind calm backpedaling during climbing leg Like round loops round Eights should looking good thanks prac tice making positive entries avoiding fly ing beyond point tangency loops An additional point consider Eights use aiming point inter section hit time Concentrating three points will make picture-perfect round Eights seem easy. wecell easier two Horizontal Eights round square maneuvers really mercy elements must flown directly downwind adjustments can make trim suggestions last month wind howls prepared use full turn-potential ship critical areas round Eights intersections Plan move backwards just af ter ship passes intersection calm air Although rule book speaks eloquently modified Square Loops discussing Square Eights feel best served thinking simply inside outside Square Loops common side inter section Follow admonition make vertical sides truly vertical order make diving corners easier Fight inclination let top legs climb intersections criss cross rather vertical ship main tains better tension inside outside bias intersection bit wind helps tension soft direction Tom Dixons Fox 35-powered Orientai sports epoxy-and-MonoKote finish weighs 38 oz Tom says Oriental new Stunt fliers beat first built-up Stunter flies just like Nobler Tom sells lots CL Stunt goodies engines August 1986 69 Doug Dahikes Baby Sandbagger flies TD 051 Wingspan ls31-1/4 wing area 191 sq Doug says turns sharply flying 37 mph tracks smoothly Continued page 154 Tom Dixon Atlanta GA won both 84 85 King Orange Internats Stunt event Merco 60-powered Big Thunderbird EASY TO BUILD HANDCRAFTED KITS AT LOW PRICES 3g spanWeigni OsWing span s Wing span WeIght 4 lOs Length 53 inEngine 60 -90Length 45 inEngine 45 -60Length 48 inEngine 40 Kits include Pre-built fiberglass fuselage foam cores sheeted balsa machine cut balsa tail surfaces shaped strip ailerons complete hardware pack SEND CHECK OR MONEY ORDER TOVISA & MASTER CARD ACCEPTED W HORIZON MODELS INC T-404 Kelly Ave Manchester NH 03103 603 627-9503 indoors club meeting won trophy strong belch would throw off course terminal tail slide airfoil shown should very generally allow better penetration turbulence pro vide superior glide somewhat durable could increase mo tor tube length believe would appreciably enhance performance V-dihedral has tried have taller pylons neither added much except struc tural problems heart design low aspect ratio wing very slow prop/rubber combination opposed tra ditional out-of-sight climb/glide mode uppermost thought fun pursuit toward worthwhile goal uncon ventional point view hope build fly project will extract same pleasure did 154 Model Aviation CL Scale/Boss Continued page 68 patibility chart May 1985 column stiffened cloth will easier work will look much neater threads will straighter instead wavy squirrelly look cant avoid using standard application method item W Rozelle found Wing Tips Newsletter Mid-Hudson Mod elmasters courtesy SAM re printed Corsair Mini-contest report Roland Baltes San Pedro CA reports Southwestern Regionals held Buckeye AZ once seeing fair turnout CL Sport Scale event years event held January entry nine models four twin-engine types Weather good temperature Seventies wind minimum excellent day Scale flying Some months photos Roland Buckeye entries Roland commented nine entries may seem like much happening area hasnt seen Scale meet over year turnout nine considered fairly good Roland expects next years contest hopes able report another good increase activity Please send correspondenceand espe cially photosrelating CL Scale Bill Boss 77-06 269th St New Hyde Park NY 11040 CL Aerobatics/Fancher Continued page 69 other maneuver Square Eight helped aft center gravity wind Because planes speed increase opens up corners tough keep maneuver right size As mentioned last month horse power maneuver strong engine will worth its weight gold maintaining line ten sion resisting speed increases hint havent great engine make maneuver tall narrow spend less time try ing penetrate wind wont perfect will able complete recogniza able Eight calm air move backwards during top horizontal leg thus allowing critical areas bottom corners intersectionto flown free wake turbulence Also avoid hit ting corners hard calm high drag results will sap airspeed horse power weak engine can run out steam long difficult Square Eight Whipping couple laps prior entry will build up little stored energy good air Vertical Eight quite easy can find cloud 450 use inter sections simply fly two perfect loops top other wind up becomes lot tougher way up never let fuselage get hori zontal intersection does will never get top loop round right size against wind Reverse control just before path airplane starts descend regardless its body angle Once get top consciously apply Down control maintain radius outside loop make intersection wind blows down exception rule never seeing body angle tangent intersection before reversing control Allow flight path just stop descending before giv ing Up complete Eight Try avoid non-pro look climbing inverted inter section relatively painless calm-air maneu ver step two just past intersection way up should enough Hourglass probably mistreated maneuvers almost fliers make same errors As Triangle first corner turned too far resulting climb angles far off fliers right second error often combination first mak ing top leg parallel bottom Both er rors result plane being position impossible complete maneu ver acceptably either front behind directly over head flier solution addition horsepower first error stop first corner just flying correct Triangle resulting climb steep slightly infl fl P55 PS flflPS PS PS PS PS S PS PS 4 VIDEO i Special Summer Rates June tbru August Only Rentals 1y 1195 Any 2 2300 All Tape Purchases 10% OFF - - Retail - 1 Basic Construction Beginners 107 Mm 49 95 42 Basic Flight Training Beginners 65 Mm44 95 3 World Model Aniarion 90 Mm 44 95 4 Oshkosh Onerviess 55Mm 3995 5Airplane Funnies 30 Mm39 95 61JS Scln Masters 60 Mm4195 Action 75 Mm 4995 dge Hoppin Vol 145 Mm 41 95 4 9 Which Wag Up 70 Mm 47954 K lOHedga Hoppin Vol 1140 Mm 4195 4 Rental Depositm Retail Price Tape 4 K Rental Dnratlnnm 7 Days After Del lueryK K Payment Chech 110 daysl MO Visa/M C Card # & 4 4 Eup Date Phone # C OD u Anailahle hy Phone4 K Shippingm 375 Foreign Canada Add 10% Total 4 4 Others 15% IL Res Add 7% Tan4 KAcademy AvIatIon R & D PO Boo 2774 4Hazel Crest IL 60428 335-07764 4.4 verted make top parallel base use body reference once Plant feet squarely maneuver direct ly front Start left foot climb spot just over right shoulder fly Wing Over path point just over left shoulder dive right foot Done properly pieces should fall place Oh earlier probably wondered scariest part pattern just flew last corner Hourglass much easier youve avoided two classic errors must go noticeably inverted make intersection bottom corner im possible Avoid problem standing Hourglass up straight gimme maneuver calni air No crit ical areas Just plant feet nail wind very tough havent gangbuster engine youll have no choice let climb less vertical desirable can salvage acceptable maneuver allow ing top go far left let go right climb dive will also inverted should must accept maneuver will symmetrical sure adjust top right corner flight path directly over head parallel base No question wind blows toughest bunch dIfficulty Overhead Eight comes lack visual reference Once again use body reference feet square facing wind climb ver NEW SPACE SAVING FUEL CONTAINER Fituintourgus 2s73/Shighxt 1/8 Tough Rigid Polyethylene Includes Tuhleg pluu $128 postage Fastener Loch Tuhing Through Cup North Products PO Box 18419 cleveland Heights OH 44118 tically directly front Bend back much can ensure Eight overhead rather front Now fly Figure Eight intersection directly over nose loops over appropriate shoulder keep airplane view using peripheral vision size will good have move head follow Eight probably too big Recover half turn body face downwind nice smooth recovery level flight safer try ing nail like Wing Over Another freebie calm air wind youll probably have let open up bit dont have super engine penetrate wind can get blown out Over heads make sure fudge enough com plete itno matter bad looks dont want lose pattern points know four loops Four Leaf Clover should same size maneuver should start slightly below 45O t should appear compact since loops should slightly smaller others pattern Common errors avoid pulling out first loop lower entry level thus cramping lower loops loops overlapping another flight paths between segments being either horizontal vertical appropriate Again Clover best performed straight down wind directly front help achieve symmetry Like Hourglass Clover breeze calm tornado wind blows Horsepower again best ally proper entry aint got try tricks stead entering right downwind entire maneuver centered delay en try until directly downwind will enable complete first loop far toughest Now slowly fudge ma neuver back proper position will result little overlapping loops should able complete recognizable Clover in preferable blowing out second method entry fly shallow Wing Over first loop thus building up little energy dive have choice plan land downwind reduce chance bouncing noticeably Dont try touch down minimum speed lose control effectiveness use same footwork flight should know loops will take clear lines landing recommend doing especially wet humid little stickiness lines can make fine control problem engine out helpful high winds able shut off engine loop experience will teach proper time Use large loop directly downwind about 20 feet highso dont bleed off speed engine quits descend smoothly prompfly ground allowing wind reduce airspeed ready touch down downwind Once ground apply Down control increase load wheels keep airplane becoming airborne rolls around circle back wind Ted Fancher 158 Flying Cloud Isle Foster City CA 94404 responding advertisers mention thatyou read about 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