REALISM IN FLIGHT important words well scored competi tion Scale RC aircraft times have read what AMA Competition Regu lations book spells out under heading RC Scale Flight Judging Guide opt high-place finish competition think have constantly read reread portion rule book spells out what judges looking what expected believe flight plan should thought about soon decide what kind model will buildand maybe before depend ing like fly what kind flying site use As know alrplane has unique flying qualities will dictate style program fly After large variety choose antiques WW Golden Oldies WW II world-class aerobatic high-speed modem jets Its whatever turns Personally retired Navy jet jockey fancy romance WW alrcraft would love have flown days Besides reg ular flying site 20 acres centipede grass Back point criteria used judges contestants flying divided three categories precision presentation real ism No doubt difficult controver sial aspect Scale model building realism sure takeoff Nieuport 28 Fokker D VIII scale speed representing 40-50 mph would different P-SI P-47 80-90 mph about F-15 F-16 F-18 Hornet gets airborne 135-160 knots slower flying alrplane certainly going af fected adverse wind conditions faster fighters jets flown competition today build fly what like sometimes have suffer consequences Thats what realism about isnt Nothing gratifying to watch model make proper takeoff landing difficult maneuvers execute Over 90% accidents full-scale aircraft occur during phase flight Scale models subject damage situations cause reduced size having cope same wind conditions big brothers fighting Adverse weather conditions usually seem co incide contest dates No forces us fly just own volition old saying goes No guts no air medals hooves us concentrate perfecting skills ensure safe landings takeoffs receipt high marks items essential win ning meetsor least securing high placement conclusion proper takeoff accomplished follow ing manner After throttle advanced air speed increases conventional-geared air craft tail wheel lifts off ground rud der should effective important directional control Next climbing attitude es tablished use elevator upon reaching flying speed model flies itself off run way same attitude angle attack necessary realistically stalled threepoint landing same sequence events holds true tricycle-geared planes except initially before throttle advanced coupled rud der nose gear make directional control much easier Once speed builds up same climbing attitude/angle attack used conventional-geared plane established Up elevator thereby causing nose gear come off ground attitude held diminish ing Up elevator flying speed increases until aircraft flies itself off runway large model aircraft overpow ered common tendency pilot rush takeoff overcontrolling elevator resulting model leaping air unrealistic manner Once airborne pilots seldom use combinations rudder aileron counter crosswind Author Bob Hanft white hat son Scott prepare Beechcraft T-34C flight L Cockpit area fuselage Robert Coopers Proc tor Nieuport 28 C-i R displays exquisite detail Note upper wing has removed Background brick wail set steps 46 Model Aviation Radio Confrol Scale Bob Hanft 26681 Coimty Rd 32 EbataAL 36530 Plight line 1987 Scale Masters meet Las Vegas NV photo below three models Blackburn Tiger Moth Piper Cub came way South Africa fiyi condition maintain proper directional control down runway case engine failure gear flaps should retracted safe landing can no longer made runway happens quickly 10 ft off ground takeoff complete Once airborne what kind maneuvers going Certainly flight presenta tion should prototypical mirroring performance full-scale aircraft What constitutes aerobatic aircraft havent seen spelled out Have person ally believe WW aircraft should consid ered aerobatic word known days Does fact capable loop spin put category maneuvers along Immelmann turns split-Ss barrel rolls first used eva sive tactics aerobatics think day Later came Cuban eight snap rolls prolonged inverted flight point rolls outside loops violent headache maneuver called Lomcevak etc flight program should include maneu vers within capability full-scale counter part Prior flight should discuss judges anything plan simulate model before during its flight Once air borne contestant should strive fly model smoothness grace us lucky enough live under sky filled variety aircraft such light civilian biplanes military trainers military civilian jets should take note tracks across sky Picture models speed air compared comparable full-scale aircraft Visit local airport observe takeoffs traffic patterns touch-and-go landings final landings Its us watch evaluate simulate need homework Also observe angles bank sizes maneuvers use throttle look taxi speed parking ramp landing begins model commences flare its descent end traffic pattern no traffic pattern performed judging pur poses landing starts about 10 ft above ground conventional-gear aircraft sometimes best land so-called wheel landing adverse crosswind conditions Higher speed can used rudder effective coun ter crosswind weathercocking action takes lot practice spike wheels bounce due higher speed judicious use elevator essential allow tail fall through ie slowly descend until tail wheel contacts runwayRMcM properly Continued page 146 CARBON FIB No matter much time effort spend building model its lifespan will probably shorter hoped todays Almost Ready Cover Almost Ready Fly Ready Fly eventhetraditional Readyto build kits strong could Dave Brown Products Carbon Fibre Tape made solve problem among strongest materials known man epoxying tape crucial areas such foam wings around cut outs wings along fuselage sides can lengthen life model Try Carbon Fibre Tape will glad did DAVE BROWN PRODUCTS 4560Layhigh Rd Hamilton Ohio 45013 13 738-1576 -4 Os ORDERS SHIPPED IIIflDAY RECEIVED UWEEUEVHSORBETA WARBIRDYEAR lIrrflAnlltvrrrnIONLY $1 07 PE6IAL iirnuuuwuru DFFER AONLY LL 5 VIDEOS$19995 WARBIRD CHECKOUT VOL 1 Flying P-4D Warhawk F4U Corsair Hellcat SB2-A Buccanneer Avenger NF 1325 Programs2 Hr Only $3995 WARBIRD CHECKOUT VOL II Flying P-38 Mitchell Bomber P-61 Black Widow Invader NP 1454 Programsi 00 Mm Only $3995 WARBIRD CHECKOUT VOL III Flying P-51 Mustang A-20 Bomber P-39 Introduction P-39 Advanced NP 1514 Programslb Mm Only $3995 MODERN JET FIGHT Flying FIA18 Hornet Eagle inde ams60 March 1989 47 Ernest Mausoifs -scale scratch-built Platz DIIIA very nicely done WARBIRD CHECKOUT VOL IV Flying P-47 3 parts Flying T-6 3 parts NF 1356 Programs-lb MIn Only $3995 WARBIRD CHECKOUT VOL V Flying B-29 Flight 81 7E Flight B-24 NP 1553 Programs-i 07 MIn Only $3995 CALL TOLL FREE IT CARDS Li California outside Shipping Paid Continental US NFVIDEO LIBRARY 2554 zation laminar turbulent flow very interesting original research Hew itts part final item drawing some nice prizes Bob Sealy donated Ultima kit World Engines Expert radio Paul Carison kit new Quasoar design Ace Radio Digipace Needless say didnt get thing quickly off airport get back Denver work Monday visit Oshkosh two days seminar very educational memorable weekend time went very quickly enjoyed greatly Id say attendees seemed enjoy ing themselves too What else would ex pect 100 guys get together talk Soar ing Finally Id like thank members MARCS club putting sem inar including Chairman Bill Vogelsang Walt Seaborg Al Scidmore Tim Morgan Frank Baker Joe Imilkowskl espe cially Carl Mohs excellent taxi ser vice RC Aerobatics/Van Putte Continued page 45 attack Usually almost always wing sim ply assumes streamlined profile af fected dihedral Naturally model skidding more rudder input creased dihedral now produces its own forc es depending other force setups di hedral fuselage shape stabilizer etc good models have tested will easily fly straight line shift top bottom rudder corrections what its worth best designs exhibit least corkscrewing altitude loss always have lots forward lateral area better put distribution fuselage side area approximates wing CG fuselage knife edge flight very close CG normally indicated Very interesting Dick Thanks got note Bud Overn Santa Ana CA wrote passing Hi Johnson no longer able get thin styrofoam sheets called white skin Through efforts George Sparr Aerospace Composite Prod ucts again available 24-in sheets ad dress PO Box 16621 Irvine CA 92714 Thanks hint Bud Modelers might also interested George has lot composite products including glass cloth Kevlar mat Aero c mar Aero k mat others Ive proba bly forgotten Drop him line As written its just before Christmas hope nice happily building away onor otherwise enjoyingyour RC oriented presents Santa might well building because its cold almost everywhere country late January panhandle Florida RC Scale/Hanft Continued page 47 possible prefer make full-stall land ing roundout effected airspeed dissi pates altitude ever slightly above runway attitude established held grad ually pulling back stick holding nose aircraft up losing airspeed until aircraft settles softly onto runway grass full Up elevator paramount point keep aircraft nosing over own misfortune point slightly before tend relax elevator rudder controland ground loop inevit able ground loop uncontrolled maneuver aircraft makes rapid turnoften full 3600—while rolling along ground conventional-geared aircraft wing tip outboard side turn can scrape ground often causing some airframe/fabric damage RMcM Scale model makes proper stall landing pretty realistic its sure bring roar spectators fellow contes tants Tricycle-gear planes follow almost same se quence except initial contact ground main gear airspeed lost nose gear gently settles through make contact runway elevator can no longer hold off have seen space shut tle return earth have watched breathlessly command pilots gently land huge craft Its like attempting landing plane full eggs Just beautiful Dont agree present flight can make differ ence between average score winning Continued page 148 ultimate question LOVESONG answer have tried latest hi-tech looking thermal competition gliders know original. Windeong better Well liked Windsong will love Lovesong Al Doig has said Lovesong finally got right High praise Indeed great modifier himself - Send 2 stamps new catalog I DOD~ON DEIiN Z1ZU Damson Road Bothell WA 98021 208-776-8067 146 Model Aviation iE1C E1 Balsa T000 Cutters OIJ 5 pc Masters Set 1/8 3/16 1/4 5/16 3/8 . $1698 3 pc Builders Set 3/161/4 5/16$998 Whether kit builder scratch builder SQUARE CUT Tools will save time Remove stubborn die cuts cut own squares slots Made US quality machined nickel plated steel Order set today See Dealer Cataloger Order dont carry Square cut Tools call us call well pay shipping US Canada D extra SOIJARE CUT Tools 4073 254-0516 905 N Harbor City Blvd Melbourne FL 32935 DeaIeg/Distributor Inquiries Invited Florida Residents Add 8% Sales Tax S Fiberglass Cowls BALSA USA Citabria Aerohalic Pro 2100 EAABPlane1950 J-3 Cab /4 scale wlengine SUB ISSUEA STRIES Aeronca Champion 40 1300 Citabria 40 size 1300 Aeronca Champ 1/4 scale . 2100 Citabria 1/4 scale 2100 Mr Malligan w/hlisters 3100 CARL GOLISEK KITS Seper Chipmank 2100 Electric Glider5 50 J-3 Cab1200 mini macu J3/J4 i/ scale.12 00 J3/J4 i/ scale1700 GREAT PLANES CAP 21 40 size 1300 CAP 21 60 size 1900 Electric Cah 750 Saper Aeromaster 1500 LAJICE BAR AIRCRAFT MPG F4U open flaps 2100 P-5123 00 RV329 00 MAUL AIRPLANE NEWS Aero Fox 11 00 Saper Hots 1100 Big Hots 1700 Knight Twister 3100 Liberty Sport B 2600 PICA Aeronca Sedan 1/ scale .. 1600 Cessna 192 scale 2100 Joegmeister w/blisters 1000 T2B 1/5 Scale 2500 Waco /s w/blisters 2200 SIB J-3 Cah w/engine 2100 Cuh Special PA 11 2100 KadetSr 1100 Keagar 950 Skybolt 1300 SCAlE PLANS MIS P1101K Gloster Gladiator scale .. 2600 PT19 e 2100 Super Marine SOB scale 2500 Floats 70 long pair12500 Wace YMF-5 /a scale2700 WE TECHNICAL SERVICES PLANS Beoter Wittman Racer 2900 Cessna AW 1700 Cartiss Falcon 31 00 Spad XIII Cl 2000 WORLD ENGINE CAP 21 40 size 1400 Draqon Lady 1900 Rabin Hood 09 2100 OTHER KITS ASTRO FLIGHTPnrtertield 900 DAVE PLATTJangmeister . 2100 MIDWESTSuper Hots 1150 RC KITS Star Daster 2100 Strive get good setup ma neuver wings should level constant al titude contestant announces Beginning now Maneuver complete Smooth corrections during flight coun ter adverse winds gusts sudden crosswinds should cause loss points Consider ation scale speed overall flying qualities model should given judges minds lack precision will result de duction points manner present flight should pleasure judge Dont make difficult vague Stand close judges can hear call program Fly program easy judges see Start finish ma neuvers stated rule book Read de scription to flown Avoid er rors specified possible During practice sessions fly program critique yourself Above honest self possible have friend help ask him flight went Work having crossover points right front Have maneuvers comfortable eye level altitude distance out judges folks want impress years ago told elderly gentle man get out something what THE BEST FUSELAGE JIG EVER PERIOD Provides Solid Support Accurate Building Rugged construction 7 Ply Aircraft Plywood Provides Lifetime use Two Sizes Available Regular Fuselages Up 6 Wide Jumbo lages Up 9 Wide Use Own Building Board Work Bench Base Mount Jig Station Uni-Strut Guide Rails Most Versatile SettJp contains complete Hardware Instructions Including Uni-Strut Information Box 4 Standard Jig Stations 91795 Box 4 Jumbo Jig Stations 1995 TwoS ft long Guide Rails including mounting nuts 2195 FIBERGLASS Dept MA Rt 1 Box 530 Goodview VA 24095 womunm Utmh lbs cut US add 5300 up ibugs Va nua add 4/a% ulus tax US USIBSES VISA MuteeCud COIL dm5 accepted add S2U ulpplg Cbu3S SiBIdS Kilt US wells *pIag rs uduelq lachde $100 US mini patams mId huldihlg PUnK inininsa wuinAnou 703-890-6017 9am 9 pm EDT Send Si 00 8-page brochure featuring hundreds cowls wheelpants radial cowls Brochure free order put winners work hard As step off soapbox Ill now announce Article com plete RC Soaring/Blakeslee Continued page 49 once week purchased two Roke kits Tony SB-l0 ASW-17 SB10 nearly complete real reason letter tell about fooling around Sagitta family Sailplanes discovery Missing Sagitta given broken 600 quickly repaired flew its pants off graduated 900 Cumic friend gave 600 also Sagitta XC al ways amazed no way get kit since has withdrawn Airtronics started looking Sagitta family Sailplanes comparing wingspans planforms polyhe dral angles tail moments etctrying under stand what made ships fly great Yes Eppler 205 common denominator 30/100 poly angles same missing link found compare wingspans ter need establish baseline before going further primary interests Sailplanes IVANS MAGIC GADGET protractor device used Ivan Kristensen accurately measure aileron elevator rudder throw Takes guess work out trimming out airplane quality toot complete instructions logbook carrying case5795 -I PLUG-IN ADJUSTABLE STAB KIT last can optimize stab incidence best flight charac teristics pair glass Sited nylon adjusters included provide micro screw adjustment smaller front tube Main tube aluminum matching phenolic socket 9695 Include 92 SOIltem UPS esidents Add 6% Sales Tan GATOR R/C PRODUCTS 3713 Pompano Dr acola FL 32514 1 476-8639 flying high long Cross-Country So tends make want large ships good pen etration qualities should explain did what did first Cumic Plusstretched span 130 118 increased stab area 15% Right out blocks ship thermalled exceptionally well penetrated beautifully Three dubbed Cumic Plus Plus have built flown very success fully However super thermaling ship it still ultimate X-C machine mainly because visibility problems high altitudes Now Missing Sagitta mic Plus 118-in wingspan Plus Plus 130 Sagitta XC 174 inwell measurements plus photograph 600 900 XC taken contest two years ago led believe something missing 140/150-in range After some initial layouts thought looked like Missing Sagitta would fit requirements fine X-C ma chine also outstanding all-out Thermal ship Sagitta XC big heavy tend requires assistance launching Cumic Plus Plus little too small wanted plane didnt need FAA checklist flythe famous KISS keep sinople stupid RMcM principle No high tech except airfoil Just rudder elevator spoilers photo shows both experimental Sailplanes Plus Plus smaller Missing Sagitta Ive named Cumic XC larger used Bob Sealy Jupiter fuselage stretched 6 same length Sagitta XC 57 wing three-piece bolt-on design fuselage cut out pro vide saddle area wing center section rest Michael Seligs 3021 improved E205 about 1 % thinner used air foil After new Sagitta family member de serves little sprucing up center panels 39 side con structed % x 3R-in main spars 0007 car bon fiber outer sides % x A-in drag spar also used Spoilers five bays wide Tip panels 36 making total span 150 Chord main panels 12 mak ing airfoil thick enough good strength tal area 1656 sq Construction typical D tube t selected strength noah spans 36 has NACA 0010 section thick root first flights went very successfully Cumic XC real dream ship fly grooves very well turns very stablelike giant Paragon S3021 seems have good speed range required X-C flying works lift well Sailplane weve flown Continued page 153 PLUG-IN WING ADJUSTER KIT Four glass filled nylon brackets included key wing panels front rear allow accurately adjust panel straight flight complete hardware & instructions5995 NG TUBE & SOOCETS Aluminum alloy tubing plug-in wings Included pair special slip-fit phenolic sockets build wing structure Now size models 718 dia x 2S 895 1diax2S 995 1diax3S1495 148 Model Aviation
Edition: Model Aviation - 1989/03
Page Numbers: 46, 47, 146, 148
REALISM IN FLIGHT important words well scored competi tion Scale RC aircraft times have read what AMA Competition Regu lations book spells out under heading RC Scale Flight Judging Guide opt high-place finish competition think have constantly read reread portion rule book spells out what judges looking what expected believe flight plan should thought about soon decide what kind model will buildand maybe before depend ing like fly what kind flying site use As know alrplane has unique flying qualities will dictate style program fly After large variety choose antiques WW Golden Oldies WW II world-class aerobatic high-speed modem jets Its whatever turns Personally retired Navy jet jockey fancy romance WW alrcraft would love have flown days Besides reg ular flying site 20 acres centipede grass Back point criteria used judges contestants flying divided three categories precision presentation real ism No doubt difficult controver sial aspect Scale model building realism sure takeoff Nieuport 28 Fokker D VIII scale speed representing 40-50 mph would different P-SI P-47 80-90 mph about F-15 F-16 F-18 Hornet gets airborne 135-160 knots slower flying alrplane certainly going af fected adverse wind conditions faster fighters jets flown competition today build fly what like sometimes have suffer consequences Thats what realism about isnt Nothing gratifying to watch model make proper takeoff landing difficult maneuvers execute Over 90% accidents full-scale aircraft occur during phase flight Scale models subject damage situations cause reduced size having cope same wind conditions big brothers fighting Adverse weather conditions usually seem co incide contest dates No forces us fly just own volition old saying goes No guts no air medals hooves us concentrate perfecting skills ensure safe landings takeoffs receipt high marks items essential win ning meetsor least securing high placement conclusion proper takeoff accomplished follow ing manner After throttle advanced air speed increases conventional-geared air craft tail wheel lifts off ground rud der should effective important directional control Next climbing attitude es tablished use elevator upon reaching flying speed model flies itself off run way same attitude angle attack necessary realistically stalled threepoint landing same sequence events holds true tricycle-geared planes except initially before throttle advanced coupled rud der nose gear make directional control much easier Once speed builds up same climbing attitude/angle attack used conventional-geared plane established Up elevator thereby causing nose gear come off ground attitude held diminish ing Up elevator flying speed increases until aircraft flies itself off runway large model aircraft overpow ered common tendency pilot rush takeoff overcontrolling elevator resulting model leaping air unrealistic manner Once airborne pilots seldom use combinations rudder aileron counter crosswind Author Bob Hanft white hat son Scott prepare Beechcraft T-34C flight L Cockpit area fuselage Robert Coopers Proc tor Nieuport 28 C-i R displays exquisite detail Note upper wing has removed Background brick wail set steps 46 Model Aviation Radio Confrol Scale Bob Hanft 26681 Coimty Rd 32 EbataAL 36530 Plight line 1987 Scale Masters meet Las Vegas NV photo below three models Blackburn Tiger Moth Piper Cub came way South Africa fiyi condition maintain proper directional control down runway case engine failure gear flaps should retracted safe landing can no longer made runway happens quickly 10 ft off ground takeoff complete Once airborne what kind maneuvers going Certainly flight presenta tion should prototypical mirroring performance full-scale aircraft What constitutes aerobatic aircraft havent seen spelled out Have person ally believe WW aircraft should consid ered aerobatic word known days Does fact capable loop spin put category maneuvers along Immelmann turns split-Ss barrel rolls first used eva sive tactics aerobatics think day Later came Cuban eight snap rolls prolonged inverted flight point rolls outside loops violent headache maneuver called Lomcevak etc flight program should include maneu vers within capability full-scale counter part Prior flight should discuss judges anything plan simulate model before during its flight Once air borne contestant should strive fly model smoothness grace us lucky enough live under sky filled variety aircraft such light civilian biplanes military trainers military civilian jets should take note tracks across sky Picture models speed air compared comparable full-scale aircraft Visit local airport observe takeoffs traffic patterns touch-and-go landings final landings Its us watch evaluate simulate need homework Also observe angles bank sizes maneuvers use throttle look taxi speed parking ramp landing begins model commences flare its descent end traffic pattern no traffic pattern performed judging pur poses landing starts about 10 ft above ground conventional-gear aircraft sometimes best land so-called wheel landing adverse crosswind conditions Higher speed can used rudder effective coun ter crosswind weathercocking action takes lot practice spike wheels bounce due higher speed judicious use elevator essential allow tail fall through ie slowly descend until tail wheel contacts runwayRMcM properly Continued page 146 CARBON FIB No matter much time effort spend building model its lifespan will probably shorter hoped todays Almost Ready Cover Almost Ready Fly Ready Fly eventhetraditional Readyto build kits strong could Dave Brown Products Carbon Fibre Tape made solve problem among strongest materials known man epoxying tape crucial areas such foam wings around cut outs wings along fuselage sides can lengthen life model Try Carbon Fibre Tape will glad did DAVE BROWN PRODUCTS 4560Layhigh Rd Hamilton Ohio 45013 13 738-1576 -4 Os ORDERS SHIPPED IIIflDAY RECEIVED UWEEUEVHSORBETA WARBIRDYEAR lIrrflAnlltvrrrnIONLY $1 07 PE6IAL iirnuuuwuru DFFER AONLY LL 5 VIDEOS$19995 WARBIRD CHECKOUT VOL 1 Flying P-4D Warhawk F4U Corsair Hellcat SB2-A Buccanneer Avenger NF 1325 Programs2 Hr Only $3995 WARBIRD CHECKOUT VOL II Flying P-38 Mitchell Bomber P-61 Black Widow Invader NP 1454 Programsi 00 Mm Only $3995 WARBIRD CHECKOUT VOL III Flying P-51 Mustang A-20 Bomber P-39 Introduction P-39 Advanced NP 1514 Programslb Mm Only $3995 MODERN JET FIGHT Flying FIA18 Hornet Eagle inde ams60 March 1989 47 Ernest Mausoifs -scale scratch-built Platz DIIIA very nicely done WARBIRD CHECKOUT VOL IV Flying P-47 3 parts Flying T-6 3 parts NF 1356 Programs-lb MIn Only $3995 WARBIRD CHECKOUT VOL V Flying B-29 Flight 81 7E Flight B-24 NP 1553 Programs-i 07 MIn Only $3995 CALL TOLL FREE IT CARDS Li California outside Shipping Paid Continental US NFVIDEO LIBRARY 2554 zation laminar turbulent flow very interesting original research Hew itts part final item drawing some nice prizes Bob Sealy donated Ultima kit World Engines Expert radio Paul Carison kit new Quasoar design Ace Radio Digipace Needless say didnt get thing quickly off airport get back Denver work Monday visit Oshkosh two days seminar very educational memorable weekend time went very quickly enjoyed greatly Id say attendees seemed enjoy ing themselves too What else would ex pect 100 guys get together talk Soar ing Finally Id like thank members MARCS club putting sem inar including Chairman Bill Vogelsang Walt Seaborg Al Scidmore Tim Morgan Frank Baker Joe Imilkowskl espe cially Carl Mohs excellent taxi ser vice RC Aerobatics/Van Putte Continued page 45 attack Usually almost always wing sim ply assumes streamlined profile af fected dihedral Naturally model skidding more rudder input creased dihedral now produces its own forc es depending other force setups di hedral fuselage shape stabilizer etc good models have tested will easily fly straight line shift top bottom rudder corrections what its worth best designs exhibit least corkscrewing altitude loss always have lots forward lateral area better put distribution fuselage side area approximates wing CG fuselage knife edge flight very close CG normally indicated Very interesting Dick Thanks got note Bud Overn Santa Ana CA wrote passing Hi Johnson no longer able get thin styrofoam sheets called white skin Through efforts George Sparr Aerospace Composite Prod ucts again available 24-in sheets ad dress PO Box 16621 Irvine CA 92714 Thanks hint Bud Modelers might also interested George has lot composite products including glass cloth Kevlar mat Aero c mar Aero k mat others Ive proba bly forgotten Drop him line As written its just before Christmas hope nice happily building away onor otherwise enjoyingyour RC oriented presents Santa might well building because its cold almost everywhere country late January panhandle Florida RC Scale/Hanft Continued page 47 possible prefer make full-stall land ing roundout effected airspeed dissi pates altitude ever slightly above runway attitude established held grad ually pulling back stick holding nose aircraft up losing airspeed until aircraft settles softly onto runway grass full Up elevator paramount point keep aircraft nosing over own misfortune point slightly before tend relax elevator rudder controland ground loop inevit able ground loop uncontrolled maneuver aircraft makes rapid turnoften full 3600—while rolling along ground conventional-geared aircraft wing tip outboard side turn can scrape ground often causing some airframe/fabric damage RMcM Scale model makes proper stall landing pretty realistic its sure bring roar spectators fellow contes tants Tricycle-gear planes follow almost same se quence except initial contact ground main gear airspeed lost nose gear gently settles through make contact runway elevator can no longer hold off have seen space shut tle return earth have watched breathlessly command pilots gently land huge craft Its like attempting landing plane full eggs Just beautiful Dont agree present flight can make differ ence between average score winning Continued page 148 ultimate question LOVESONG answer have tried latest hi-tech looking thermal competition gliders know original. Windeong better Well liked Windsong will love Lovesong Al Doig has said Lovesong finally got right High praise Indeed great modifier himself - Send 2 stamps new catalog I DOD~ON DEIiN Z1ZU Damson Road Bothell WA 98021 208-776-8067 146 Model Aviation iE1C E1 Balsa T000 Cutters OIJ 5 pc Masters Set 1/8 3/16 1/4 5/16 3/8 . $1698 3 pc Builders Set 3/161/4 5/16$998 Whether kit builder scratch builder SQUARE CUT Tools will save time Remove stubborn die cuts cut own squares slots Made US quality machined nickel plated steel Order set today See Dealer Cataloger Order dont carry Square cut Tools call us call well pay shipping US Canada D extra SOIJARE CUT Tools 4073 254-0516 905 N Harbor City Blvd Melbourne FL 32935 DeaIeg/Distributor Inquiries Invited Florida Residents Add 8% Sales Tax S Fiberglass Cowls BALSA USA Citabria Aerohalic Pro 2100 EAABPlane1950 J-3 Cab /4 scale wlengine SUB ISSUEA STRIES Aeronca Champion 40 1300 Citabria 40 size 1300 Aeronca Champ 1/4 scale . 2100 Citabria 1/4 scale 2100 Mr Malligan w/hlisters 3100 CARL GOLISEK KITS Seper Chipmank 2100 Electric Glider5 50 J-3 Cab1200 mini macu J3/J4 i/ scale.12 00 J3/J4 i/ scale1700 GREAT PLANES CAP 21 40 size 1300 CAP 21 60 size 1900 Electric Cah 750 Saper Aeromaster 1500 LAJICE BAR AIRCRAFT MPG F4U open flaps 2100 P-5123 00 RV329 00 MAUL AIRPLANE NEWS Aero Fox 11 00 Saper Hots 1100 Big Hots 1700 Knight Twister 3100 Liberty Sport B 2600 PICA Aeronca Sedan 1/ scale .. 1600 Cessna 192 scale 2100 Joegmeister w/blisters 1000 T2B 1/5 Scale 2500 Waco /s w/blisters 2200 SIB J-3 Cah w/engine 2100 Cuh Special PA 11 2100 KadetSr 1100 Keagar 950 Skybolt 1300 SCAlE PLANS MIS P1101K Gloster Gladiator scale .. 2600 PT19 e 2100 Super Marine SOB scale 2500 Floats 70 long pair12500 Wace YMF-5 /a scale2700 WE TECHNICAL SERVICES PLANS Beoter Wittman Racer 2900 Cessna AW 1700 Cartiss Falcon 31 00 Spad XIII Cl 2000 WORLD ENGINE CAP 21 40 size 1400 Draqon Lady 1900 Rabin Hood 09 2100 OTHER KITS ASTRO FLIGHTPnrtertield 900 DAVE PLATTJangmeister . 2100 MIDWESTSuper Hots 1150 RC KITS Star Daster 2100 Strive get good setup ma neuver wings should level constant al titude contestant announces Beginning now Maneuver complete Smooth corrections during flight coun ter adverse winds gusts sudden crosswinds should cause loss points Consider ation scale speed overall flying qualities model should given judges minds lack precision will result de duction points manner present flight should pleasure judge Dont make difficult vague Stand close judges can hear call program Fly program easy judges see Start finish ma neuvers stated rule book Read de scription to flown Avoid er rors specified possible During practice sessions fly program critique yourself Above honest self possible have friend help ask him flight went Work having crossover points right front Have maneuvers comfortable eye level altitude distance out judges folks want impress years ago told elderly gentle man get out something what THE BEST FUSELAGE JIG EVER PERIOD Provides Solid Support Accurate Building Rugged construction 7 Ply Aircraft Plywood Provides Lifetime use Two Sizes Available Regular Fuselages Up 6 Wide Jumbo lages Up 9 Wide Use Own Building Board Work Bench Base Mount Jig Station Uni-Strut Guide Rails Most Versatile SettJp contains complete Hardware Instructions Including Uni-Strut Information Box 4 Standard Jig Stations 91795 Box 4 Jumbo Jig Stations 1995 TwoS ft long Guide Rails including mounting nuts 2195 FIBERGLASS Dept MA Rt 1 Box 530 Goodview VA 24095 womunm Utmh lbs cut US add 5300 up ibugs Va nua add 4/a% ulus tax US USIBSES VISA MuteeCud COIL dm5 accepted add S2U ulpplg Cbu3S SiBIdS Kilt US wells *pIag rs uduelq lachde $100 US mini patams mId huldihlg PUnK inininsa wuinAnou 703-890-6017 9am 9 pm EDT Send Si 00 8-page brochure featuring hundreds cowls wheelpants radial cowls Brochure free order put winners work hard As step off soapbox Ill now announce Article com plete RC Soaring/Blakeslee Continued page 49 once week purchased two Roke kits Tony SB-l0 ASW-17 SB10 nearly complete real reason letter tell about fooling around Sagitta family Sailplanes discovery Missing Sagitta given broken 600 quickly repaired flew its pants off graduated 900 Cumic friend gave 600 also Sagitta XC al ways amazed no way get kit since has withdrawn Airtronics started looking Sagitta family Sailplanes comparing wingspans planforms polyhe dral angles tail moments etctrying under stand what made ships fly great Yes Eppler 205 common denominator 30/100 poly angles same missing link found compare wingspans ter need establish baseline before going further primary interests Sailplanes IVANS MAGIC GADGET protractor device used Ivan Kristensen accurately measure aileron elevator rudder throw Takes guess work out trimming out airplane quality toot complete instructions logbook carrying case5795 -I PLUG-IN ADJUSTABLE STAB KIT last can optimize stab incidence best flight charac teristics pair glass Sited nylon adjusters included provide micro screw adjustment smaller front tube Main tube aluminum matching phenolic socket 9695 Include 92 SOIltem UPS esidents Add 6% Sales Tan GATOR R/C PRODUCTS 3713 Pompano Dr acola FL 32514 1 476-8639 flying high long Cross-Country So tends make want large ships good pen etration qualities should explain did what did first Cumic Plusstretched span 130 118 increased stab area 15% Right out blocks ship thermalled exceptionally well penetrated beautifully Three dubbed Cumic Plus Plus have built flown very success fully However super thermaling ship it still ultimate X-C machine mainly because visibility problems high altitudes Now Missing Sagitta mic Plus 118-in wingspan Plus Plus 130 Sagitta XC 174 inwell measurements plus photograph 600 900 XC taken contest two years ago led believe something missing 140/150-in range After some initial layouts thought looked like Missing Sagitta would fit requirements fine X-C ma chine also outstanding all-out Thermal ship Sagitta XC big heavy tend requires assistance launching Cumic Plus Plus little too small wanted plane didnt need FAA checklist flythe famous KISS keep sinople stupid RMcM principle No high tech except airfoil Just rudder elevator spoilers photo shows both experimental Sailplanes Plus Plus smaller Missing Sagitta Ive named Cumic XC larger used Bob Sealy Jupiter fuselage stretched 6 same length Sagitta XC 57 wing three-piece bolt-on design fuselage cut out pro vide saddle area wing center section rest Michael Seligs 3021 improved E205 about 1 % thinner used air foil After new Sagitta family member de serves little sprucing up center panels 39 side con structed % x 3R-in main spars 0007 car bon fiber outer sides % x A-in drag spar also used Spoilers five bays wide Tip panels 36 making total span 150 Chord main panels 12 mak ing airfoil thick enough good strength tal area 1656 sq Construction typical D tube t selected strength noah spans 36 has NACA 0010 section thick root first flights went very successfully Cumic XC real dream ship fly grooves very well turns very stablelike giant Paragon S3021 seems have good speed range required X-C flying works lift well Sailplane weve flown Continued page 153 PLUG-IN WING ADJUSTER KIT Four glass filled nylon brackets included key wing panels front rear allow accurately adjust panel straight flight complete hardware & instructions5995 NG TUBE & SOOCETS Aluminum alloy tubing plug-in wings Included pair special slip-fit phenolic sockets build wing structure Now size models 718 dia x 2S 895 1diax2S 995 1diax3S1495 148 Model Aviation
Edition: Model Aviation - 1989/03
Page Numbers: 46, 47, 146, 148
REALISM IN FLIGHT important words well scored competi tion Scale RC aircraft times have read what AMA Competition Regu lations book spells out under heading RC Scale Flight Judging Guide opt high-place finish competition think have constantly read reread portion rule book spells out what judges looking what expected believe flight plan should thought about soon decide what kind model will buildand maybe before depend ing like fly what kind flying site use As know alrplane has unique flying qualities will dictate style program fly After large variety choose antiques WW Golden Oldies WW II world-class aerobatic high-speed modem jets Its whatever turns Personally retired Navy jet jockey fancy romance WW alrcraft would love have flown days Besides reg ular flying site 20 acres centipede grass Back point criteria used judges contestants flying divided three categories precision presentation real ism No doubt difficult controver sial aspect Scale model building realism sure takeoff Nieuport 28 Fokker D VIII scale speed representing 40-50 mph would different P-SI P-47 80-90 mph about F-15 F-16 F-18 Hornet gets airborne 135-160 knots slower flying alrplane certainly going af fected adverse wind conditions faster fighters jets flown competition today build fly what like sometimes have suffer consequences Thats what realism about isnt Nothing gratifying to watch model make proper takeoff landing difficult maneuvers execute Over 90% accidents full-scale aircraft occur during phase flight Scale models subject damage situations cause reduced size having cope same wind conditions big brothers fighting Adverse weather conditions usually seem co incide contest dates No forces us fly just own volition old saying goes No guts no air medals hooves us concentrate perfecting skills ensure safe landings takeoffs receipt high marks items essential win ning meetsor least securing high placement conclusion proper takeoff accomplished follow ing manner After throttle advanced air speed increases conventional-geared air craft tail wheel lifts off ground rud der should effective important directional control Next climbing attitude es tablished use elevator upon reaching flying speed model flies itself off run way same attitude angle attack necessary realistically stalled threepoint landing same sequence events holds true tricycle-geared planes except initially before throttle advanced coupled rud der nose gear make directional control much easier Once speed builds up same climbing attitude/angle attack used conventional-geared plane established Up elevator thereby causing nose gear come off ground attitude held diminish ing Up elevator flying speed increases until aircraft flies itself off runway large model aircraft overpow ered common tendency pilot rush takeoff overcontrolling elevator resulting model leaping air unrealistic manner Once airborne pilots seldom use combinations rudder aileron counter crosswind Author Bob Hanft white hat son Scott prepare Beechcraft T-34C flight L Cockpit area fuselage Robert Coopers Proc tor Nieuport 28 C-i R displays exquisite detail Note upper wing has removed Background brick wail set steps 46 Model Aviation Radio Confrol Scale Bob Hanft 26681 Coimty Rd 32 EbataAL 36530 Plight line 1987 Scale Masters meet Las Vegas NV photo below three models Blackburn Tiger Moth Piper Cub came way South Africa fiyi condition maintain proper directional control down runway case engine failure gear flaps should retracted safe landing can no longer made runway happens quickly 10 ft off ground takeoff complete Once airborne what kind maneuvers going Certainly flight presenta tion should prototypical mirroring performance full-scale aircraft What constitutes aerobatic aircraft havent seen spelled out Have person ally believe WW aircraft should consid ered aerobatic word known days Does fact capable loop spin put category maneuvers along Immelmann turns split-Ss barrel rolls first used eva sive tactics aerobatics think day Later came Cuban eight snap rolls prolonged inverted flight point rolls outside loops violent headache maneuver called Lomcevak etc flight program should include maneu vers within capability full-scale counter part Prior flight should discuss judges anything plan simulate model before during its flight Once air borne contestant should strive fly model smoothness grace us lucky enough live under sky filled variety aircraft such light civilian biplanes military trainers military civilian jets should take note tracks across sky Picture models speed air compared comparable full-scale aircraft Visit local airport observe takeoffs traffic patterns touch-and-go landings final landings Its us watch evaluate simulate need homework Also observe angles bank sizes maneuvers use throttle look taxi speed parking ramp landing begins model commences flare its descent end traffic pattern no traffic pattern performed judging pur poses landing starts about 10 ft above ground conventional-gear aircraft sometimes best land so-called wheel landing adverse crosswind conditions Higher speed can used rudder effective coun ter crosswind weathercocking action takes lot practice spike wheels bounce due higher speed judicious use elevator essential allow tail fall through ie slowly descend until tail wheel contacts runwayRMcM properly Continued page 146 CARBON FIB No matter much time effort spend building model its lifespan will probably shorter hoped todays Almost Ready Cover Almost Ready Fly Ready Fly eventhetraditional Readyto build kits strong could Dave Brown Products Carbon Fibre Tape made solve problem among strongest materials known man epoxying tape crucial areas such foam wings around cut outs wings along fuselage sides can lengthen life model Try Carbon Fibre Tape will glad did DAVE BROWN PRODUCTS 4560Layhigh Rd Hamilton Ohio 45013 13 738-1576 -4 Os ORDERS SHIPPED IIIflDAY RECEIVED UWEEUEVHSORBETA WARBIRDYEAR lIrrflAnlltvrrrnIONLY $1 07 PE6IAL iirnuuuwuru DFFER AONLY LL 5 VIDEOS$19995 WARBIRD CHECKOUT VOL 1 Flying P-4D Warhawk F4U Corsair Hellcat SB2-A Buccanneer Avenger NF 1325 Programs2 Hr Only $3995 WARBIRD CHECKOUT VOL II Flying P-38 Mitchell Bomber P-61 Black Widow Invader NP 1454 Programsi 00 Mm Only $3995 WARBIRD CHECKOUT VOL III Flying P-51 Mustang A-20 Bomber P-39 Introduction P-39 Advanced NP 1514 Programslb Mm Only $3995 MODERN JET FIGHT Flying FIA18 Hornet Eagle inde ams60 March 1989 47 Ernest Mausoifs -scale scratch-built Platz DIIIA very nicely done WARBIRD CHECKOUT VOL IV Flying P-47 3 parts Flying T-6 3 parts NF 1356 Programs-lb MIn Only $3995 WARBIRD CHECKOUT VOL V Flying B-29 Flight 81 7E Flight B-24 NP 1553 Programs-i 07 MIn Only $3995 CALL TOLL FREE IT CARDS Li California outside Shipping Paid Continental US NFVIDEO LIBRARY 2554 zation laminar turbulent flow very interesting original research Hew itts part final item drawing some nice prizes Bob Sealy donated Ultima kit World Engines Expert radio Paul Carison kit new Quasoar design Ace Radio Digipace Needless say didnt get thing quickly off airport get back Denver work Monday visit Oshkosh two days seminar very educational memorable weekend time went very quickly enjoyed greatly Id say attendees seemed enjoy ing themselves too What else would ex pect 100 guys get together talk Soar ing Finally Id like thank members MARCS club putting sem inar including Chairman Bill Vogelsang Walt Seaborg Al Scidmore Tim Morgan Frank Baker Joe Imilkowskl espe cially Carl Mohs excellent taxi ser vice RC Aerobatics/Van Putte Continued page 45 attack Usually almost always wing sim ply assumes streamlined profile af fected dihedral Naturally model skidding more rudder input creased dihedral now produces its own forc es depending other force setups di hedral fuselage shape stabilizer etc good models have tested will easily fly straight line shift top bottom rudder corrections what its worth best designs exhibit least corkscrewing altitude loss always have lots forward lateral area better put distribution fuselage side area approximates wing CG fuselage knife edge flight very close CG normally indicated Very interesting Dick Thanks got note Bud Overn Santa Ana CA wrote passing Hi Johnson no longer able get thin styrofoam sheets called white skin Through efforts George Sparr Aerospace Composite Prod ucts again available 24-in sheets ad dress PO Box 16621 Irvine CA 92714 Thanks hint Bud Modelers might also interested George has lot composite products including glass cloth Kevlar mat Aero c mar Aero k mat others Ive proba bly forgotten Drop him line As written its just before Christmas hope nice happily building away onor otherwise enjoyingyour RC oriented presents Santa might well building because its cold almost everywhere country late January panhandle Florida RC Scale/Hanft Continued page 47 possible prefer make full-stall land ing roundout effected airspeed dissi pates altitude ever slightly above runway attitude established held grad ually pulling back stick holding nose aircraft up losing airspeed until aircraft settles softly onto runway grass full Up elevator paramount point keep aircraft nosing over own misfortune point slightly before tend relax elevator rudder controland ground loop inevit able ground loop uncontrolled maneuver aircraft makes rapid turnoften full 3600—while rolling along ground conventional-geared aircraft wing tip outboard side turn can scrape ground often causing some airframe/fabric damage RMcM Scale model makes proper stall landing pretty realistic its sure bring roar spectators fellow contes tants Tricycle-gear planes follow almost same se quence except initial contact ground main gear airspeed lost nose gear gently settles through make contact runway elevator can no longer hold off have seen space shut tle return earth have watched breathlessly command pilots gently land huge craft Its like attempting landing plane full eggs Just beautiful Dont agree present flight can make differ ence between average score winning Continued page 148 ultimate question LOVESONG answer have tried latest hi-tech looking thermal competition gliders know original. Windeong better Well liked Windsong will love Lovesong Al Doig has said Lovesong finally got right High praise Indeed great modifier himself - Send 2 stamps new catalog I DOD~ON DEIiN Z1ZU Damson Road Bothell WA 98021 208-776-8067 146 Model Aviation iE1C E1 Balsa T000 Cutters OIJ 5 pc Masters Set 1/8 3/16 1/4 5/16 3/8 . $1698 3 pc Builders Set 3/161/4 5/16$998 Whether kit builder scratch builder SQUARE CUT Tools will save time Remove stubborn die cuts cut own squares slots Made US quality machined nickel plated steel Order set today See Dealer Cataloger Order dont carry Square cut Tools call us call well pay shipping US Canada D extra SOIJARE CUT Tools 4073 254-0516 905 N Harbor City Blvd Melbourne FL 32935 DeaIeg/Distributor Inquiries Invited Florida Residents Add 8% Sales Tax S Fiberglass Cowls BALSA USA Citabria Aerohalic Pro 2100 EAABPlane1950 J-3 Cab /4 scale wlengine SUB ISSUEA STRIES Aeronca Champion 40 1300 Citabria 40 size 1300 Aeronca Champ 1/4 scale . 2100 Citabria 1/4 scale 2100 Mr Malligan w/hlisters 3100 CARL GOLISEK KITS Seper Chipmank 2100 Electric Glider5 50 J-3 Cab1200 mini macu J3/J4 i/ scale.12 00 J3/J4 i/ scale1700 GREAT PLANES CAP 21 40 size 1300 CAP 21 60 size 1900 Electric Cah 750 Saper Aeromaster 1500 LAJICE BAR AIRCRAFT MPG F4U open flaps 2100 P-5123 00 RV329 00 MAUL AIRPLANE NEWS Aero Fox 11 00 Saper Hots 1100 Big Hots 1700 Knight Twister 3100 Liberty Sport B 2600 PICA Aeronca Sedan 1/ scale .. 1600 Cessna 192 scale 2100 Joegmeister w/blisters 1000 T2B 1/5 Scale 2500 Waco /s w/blisters 2200 SIB J-3 Cah w/engine 2100 Cuh Special PA 11 2100 KadetSr 1100 Keagar 950 Skybolt 1300 SCAlE PLANS MIS P1101K Gloster Gladiator scale .. 2600 PT19 e 2100 Super Marine SOB scale 2500 Floats 70 long pair12500 Wace YMF-5 /a scale2700 WE TECHNICAL SERVICES PLANS Beoter Wittman Racer 2900 Cessna AW 1700 Cartiss Falcon 31 00 Spad XIII Cl 2000 WORLD ENGINE CAP 21 40 size 1400 Draqon Lady 1900 Rabin Hood 09 2100 OTHER KITS ASTRO FLIGHTPnrtertield 900 DAVE PLATTJangmeister . 2100 MIDWESTSuper Hots 1150 RC KITS Star Daster 2100 Strive get good setup ma neuver wings should level constant al titude contestant announces Beginning now Maneuver complete Smooth corrections during flight coun ter adverse winds gusts sudden crosswinds should cause loss points Consider ation scale speed overall flying qualities model should given judges minds lack precision will result de duction points manner present flight should pleasure judge Dont make difficult vague Stand close judges can hear call program Fly program easy judges see Start finish ma neuvers stated rule book Read de scription to flown Avoid er rors specified possible During practice sessions fly program critique yourself Above honest self possible have friend help ask him flight went Work having crossover points right front Have maneuvers comfortable eye level altitude distance out judges folks want impress years ago told elderly gentle man get out something what THE BEST FUSELAGE JIG EVER PERIOD Provides Solid Support Accurate Building Rugged construction 7 Ply Aircraft Plywood Provides Lifetime use Two Sizes Available Regular Fuselages Up 6 Wide Jumbo lages Up 9 Wide Use Own Building Board Work Bench Base Mount Jig Station Uni-Strut Guide Rails Most Versatile SettJp contains complete Hardware Instructions Including Uni-Strut Information Box 4 Standard Jig Stations 91795 Box 4 Jumbo Jig Stations 1995 TwoS ft long Guide Rails including mounting nuts 2195 FIBERGLASS Dept MA Rt 1 Box 530 Goodview VA 24095 womunm Utmh lbs cut US add 5300 up ibugs Va nua add 4/a% ulus tax US USIBSES VISA MuteeCud COIL dm5 accepted add S2U ulpplg Cbu3S SiBIdS Kilt US wells *pIag rs uduelq lachde $100 US mini patams mId huldihlg PUnK inininsa wuinAnou 703-890-6017 9am 9 pm EDT Send Si 00 8-page brochure featuring hundreds cowls wheelpants radial cowls Brochure free order put winners work hard As step off soapbox Ill now announce Article com plete RC Soaring/Blakeslee Continued page 49 once week purchased two Roke kits Tony SB-l0 ASW-17 SB10 nearly complete real reason letter tell about fooling around Sagitta family Sailplanes discovery Missing Sagitta given broken 600 quickly repaired flew its pants off graduated 900 Cumic friend gave 600 also Sagitta XC al ways amazed no way get kit since has withdrawn Airtronics started looking Sagitta family Sailplanes comparing wingspans planforms polyhe dral angles tail moments etctrying under stand what made ships fly great Yes Eppler 205 common denominator 30/100 poly angles same missing link found compare wingspans ter need establish baseline before going further primary interests Sailplanes IVANS MAGIC GADGET protractor device used Ivan Kristensen accurately measure aileron elevator rudder throw Takes guess work out trimming out airplane quality toot complete instructions logbook carrying case5795 -I PLUG-IN ADJUSTABLE STAB KIT last can optimize stab incidence best flight charac teristics pair glass Sited nylon adjusters included provide micro screw adjustment smaller front tube Main tube aluminum matching phenolic socket 9695 Include 92 SOIltem UPS esidents Add 6% Sales Tan GATOR R/C PRODUCTS 3713 Pompano Dr acola FL 32514 1 476-8639 flying high long Cross-Country So tends make want large ships good pen etration qualities should explain did what did first Cumic Plusstretched span 130 118 increased stab area 15% Right out blocks ship thermalled exceptionally well penetrated beautifully Three dubbed Cumic Plus Plus have built flown very success fully However super thermaling ship it still ultimate X-C machine mainly because visibility problems high altitudes Now Missing Sagitta mic Plus 118-in wingspan Plus Plus 130 Sagitta XC 174 inwell measurements plus photograph 600 900 XC taken contest two years ago led believe something missing 140/150-in range After some initial layouts thought looked like Missing Sagitta would fit requirements fine X-C ma chine also outstanding all-out Thermal ship Sagitta XC big heavy tend requires assistance launching Cumic Plus Plus little too small wanted plane didnt need FAA checklist flythe famous KISS keep sinople stupid RMcM principle No high tech except airfoil Just rudder elevator spoilers photo shows both experimental Sailplanes Plus Plus smaller Missing Sagitta Ive named Cumic XC larger used Bob Sealy Jupiter fuselage stretched 6 same length Sagitta XC 57 wing three-piece bolt-on design fuselage cut out pro vide saddle area wing center section rest Michael Seligs 3021 improved E205 about 1 % thinner used air foil After new Sagitta family member de serves little sprucing up center panels 39 side con structed % x 3R-in main spars 0007 car bon fiber outer sides % x A-in drag spar also used Spoilers five bays wide Tip panels 36 making total span 150 Chord main panels 12 mak ing airfoil thick enough good strength tal area 1656 sq Construction typical D tube t selected strength noah spans 36 has NACA 0010 section thick root first flights went very successfully Cumic XC real dream ship fly grooves very well turns very stablelike giant Paragon S3021 seems have good speed range required X-C flying works lift well Sailplane weve flown Continued page 153 PLUG-IN WING ADJUSTER KIT Four glass filled nylon brackets included key wing panels front rear allow accurately adjust panel straight flight complete hardware & instructions5995 NG TUBE & SOOCETS Aluminum alloy tubing plug-in wings Included pair special slip-fit phenolic sockets build wing structure Now size models 718 dia x 2S 895 1diax2S 995 1diax3S1495 148 Model Aviation
Edition: Model Aviation - 1989/03
Page Numbers: 46, 47, 146, 148
REALISM IN FLIGHT important words well scored competi tion Scale RC aircraft times have read what AMA Competition Regu lations book spells out under heading RC Scale Flight Judging Guide opt high-place finish competition think have constantly read reread portion rule book spells out what judges looking what expected believe flight plan should thought about soon decide what kind model will buildand maybe before depend ing like fly what kind flying site use As know alrplane has unique flying qualities will dictate style program fly After large variety choose antiques WW Golden Oldies WW II world-class aerobatic high-speed modem jets Its whatever turns Personally retired Navy jet jockey fancy romance WW alrcraft would love have flown days Besides reg ular flying site 20 acres centipede grass Back point criteria used judges contestants flying divided three categories precision presentation real ism No doubt difficult controver sial aspect Scale model building realism sure takeoff Nieuport 28 Fokker D VIII scale speed representing 40-50 mph would different P-SI P-47 80-90 mph about F-15 F-16 F-18 Hornet gets airborne 135-160 knots slower flying alrplane certainly going af fected adverse wind conditions faster fighters jets flown competition today build fly what like sometimes have suffer consequences Thats what realism about isnt Nothing gratifying to watch model make proper takeoff landing difficult maneuvers execute Over 90% accidents full-scale aircraft occur during phase flight Scale models subject damage situations cause reduced size having cope same wind conditions big brothers fighting Adverse weather conditions usually seem co incide contest dates No forces us fly just own volition old saying goes No guts no air medals hooves us concentrate perfecting skills ensure safe landings takeoffs receipt high marks items essential win ning meetsor least securing high placement conclusion proper takeoff accomplished follow ing manner After throttle advanced air speed increases conventional-geared air craft tail wheel lifts off ground rud der should effective important directional control Next climbing attitude es tablished use elevator upon reaching flying speed model flies itself off run way same attitude angle attack necessary realistically stalled threepoint landing same sequence events holds true tricycle-geared planes except initially before throttle advanced coupled rud der nose gear make directional control much easier Once speed builds up same climbing attitude/angle attack used conventional-geared plane established Up elevator thereby causing nose gear come off ground attitude held diminish ing Up elevator flying speed increases until aircraft flies itself off runway large model aircraft overpow ered common tendency pilot rush takeoff overcontrolling elevator resulting model leaping air unrealistic manner Once airborne pilots seldom use combinations rudder aileron counter crosswind Author Bob Hanft white hat son Scott prepare Beechcraft T-34C flight L Cockpit area fuselage Robert Coopers Proc tor Nieuport 28 C-i R displays exquisite detail Note upper wing has removed Background brick wail set steps 46 Model Aviation Radio Confrol Scale Bob Hanft 26681 Coimty Rd 32 EbataAL 36530 Plight line 1987 Scale Masters meet Las Vegas NV photo below three models Blackburn Tiger Moth Piper Cub came way South Africa fiyi condition maintain proper directional control down runway case engine failure gear flaps should retracted safe landing can no longer made runway happens quickly 10 ft off ground takeoff complete Once airborne what kind maneuvers going Certainly flight presenta tion should prototypical mirroring performance full-scale aircraft What constitutes aerobatic aircraft havent seen spelled out Have person ally believe WW aircraft should consid ered aerobatic word known days Does fact capable loop spin put category maneuvers along Immelmann turns split-Ss barrel rolls first used eva sive tactics aerobatics think day Later came Cuban eight snap rolls prolonged inverted flight point rolls outside loops violent headache maneuver called Lomcevak etc flight program should include maneu vers within capability full-scale counter part Prior flight should discuss judges anything plan simulate model before during its flight Once air borne contestant should strive fly model smoothness grace us lucky enough live under sky filled variety aircraft such light civilian biplanes military trainers military civilian jets should take note tracks across sky Picture models speed air compared comparable full-scale aircraft Visit local airport observe takeoffs traffic patterns touch-and-go landings final landings Its us watch evaluate simulate need homework Also observe angles bank sizes maneuvers use throttle look taxi speed parking ramp landing begins model commences flare its descent end traffic pattern no traffic pattern performed judging pur poses landing starts about 10 ft above ground conventional-gear aircraft sometimes best land so-called wheel landing adverse crosswind conditions Higher speed can used rudder effective coun ter crosswind weathercocking action takes lot practice spike wheels bounce due higher speed judicious use elevator essential allow tail fall through ie slowly descend until tail wheel contacts runwayRMcM properly Continued page 146 CARBON FIB No matter much time effort spend building model its lifespan will probably shorter hoped todays Almost Ready Cover Almost Ready Fly Ready Fly eventhetraditional Readyto build kits strong could Dave Brown Products Carbon Fibre Tape made solve problem among strongest materials known man epoxying tape crucial areas such foam wings around cut outs wings along fuselage sides can lengthen life model Try Carbon Fibre Tape will glad did DAVE BROWN PRODUCTS 4560Layhigh Rd Hamilton Ohio 45013 13 738-1576 -4 Os ORDERS SHIPPED IIIflDAY RECEIVED UWEEUEVHSORBETA WARBIRDYEAR lIrrflAnlltvrrrnIONLY $1 07 PE6IAL iirnuuuwuru DFFER AONLY LL 5 VIDEOS$19995 WARBIRD CHECKOUT VOL 1 Flying P-4D Warhawk F4U Corsair Hellcat SB2-A Buccanneer Avenger NF 1325 Programs2 Hr Only $3995 WARBIRD CHECKOUT VOL II Flying P-38 Mitchell Bomber P-61 Black Widow Invader NP 1454 Programsi 00 Mm Only $3995 WARBIRD CHECKOUT VOL III Flying P-51 Mustang A-20 Bomber P-39 Introduction P-39 Advanced NP 1514 Programslb Mm Only $3995 MODERN JET FIGHT Flying FIA18 Hornet Eagle inde ams60 March 1989 47 Ernest Mausoifs -scale scratch-built Platz DIIIA very nicely done WARBIRD CHECKOUT VOL IV Flying P-47 3 parts Flying T-6 3 parts NF 1356 Programs-lb MIn Only $3995 WARBIRD CHECKOUT VOL V Flying B-29 Flight 81 7E Flight B-24 NP 1553 Programs-i 07 MIn Only $3995 CALL TOLL FREE IT CARDS Li California outside Shipping Paid Continental US NFVIDEO LIBRARY 2554 zation laminar turbulent flow very interesting original research Hew itts part final item drawing some nice prizes Bob Sealy donated Ultima kit World Engines Expert radio Paul Carison kit new Quasoar design Ace Radio Digipace Needless say didnt get thing quickly off airport get back Denver work Monday visit Oshkosh two days seminar very educational memorable weekend time went very quickly enjoyed greatly Id say attendees seemed enjoy ing themselves too What else would ex pect 100 guys get together talk Soar ing Finally Id like thank members MARCS club putting sem inar including Chairman Bill Vogelsang Walt Seaborg Al Scidmore Tim Morgan Frank Baker Joe Imilkowskl espe cially Carl Mohs excellent taxi ser vice RC Aerobatics/Van Putte Continued page 45 attack Usually almost always wing sim ply assumes streamlined profile af fected dihedral Naturally model skidding more rudder input creased dihedral now produces its own forc es depending other force setups di hedral fuselage shape stabilizer etc good models have tested will easily fly straight line shift top bottom rudder corrections what its worth best designs exhibit least corkscrewing altitude loss always have lots forward lateral area better put distribution fuselage side area approximates wing CG fuselage knife edge flight very close CG normally indicated Very interesting Dick Thanks got note Bud Overn Santa Ana CA wrote passing Hi Johnson no longer able get thin styrofoam sheets called white skin Through efforts George Sparr Aerospace Composite Prod ucts again available 24-in sheets ad dress PO Box 16621 Irvine CA 92714 Thanks hint Bud Modelers might also interested George has lot composite products including glass cloth Kevlar mat Aero c mar Aero k mat others Ive proba bly forgotten Drop him line As written its just before Christmas hope nice happily building away onor otherwise enjoyingyour RC oriented presents Santa might well building because its cold almost everywhere country late January panhandle Florida RC Scale/Hanft Continued page 47 possible prefer make full-stall land ing roundout effected airspeed dissi pates altitude ever slightly above runway attitude established held grad ually pulling back stick holding nose aircraft up losing airspeed until aircraft settles softly onto runway grass full Up elevator paramount point keep aircraft nosing over own misfortune point slightly before tend relax elevator rudder controland ground loop inevit able ground loop uncontrolled maneuver aircraft makes rapid turnoften full 3600—while rolling along ground conventional-geared aircraft wing tip outboard side turn can scrape ground often causing some airframe/fabric damage RMcM Scale model makes proper stall landing pretty realistic its sure bring roar spectators fellow contes tants Tricycle-gear planes follow almost same se quence except initial contact ground main gear airspeed lost nose gear gently settles through make contact runway elevator can no longer hold off have seen space shut tle return earth have watched breathlessly command pilots gently land huge craft Its like attempting landing plane full eggs Just beautiful Dont agree present flight can make differ ence between average score winning Continued page 148 ultimate question LOVESONG answer have tried latest hi-tech looking thermal competition gliders know original. Windeong better Well liked Windsong will love Lovesong Al Doig has said Lovesong finally got right High praise Indeed great modifier himself - Send 2 stamps new catalog I DOD~ON DEIiN Z1ZU Damson Road Bothell WA 98021 208-776-8067 146 Model Aviation iE1C E1 Balsa T000 Cutters OIJ 5 pc Masters Set 1/8 3/16 1/4 5/16 3/8 . $1698 3 pc Builders Set 3/161/4 5/16$998 Whether kit builder scratch builder SQUARE CUT Tools will save time Remove stubborn die cuts cut own squares slots Made US quality machined nickel plated steel Order set today See Dealer Cataloger Order dont carry Square cut Tools call us call well pay shipping US Canada D extra SOIJARE CUT Tools 4073 254-0516 905 N Harbor City Blvd Melbourne FL 32935 DeaIeg/Distributor Inquiries Invited Florida Residents Add 8% Sales Tax S Fiberglass Cowls BALSA USA Citabria Aerohalic Pro 2100 EAABPlane1950 J-3 Cab /4 scale wlengine SUB ISSUEA STRIES Aeronca Champion 40 1300 Citabria 40 size 1300 Aeronca Champ 1/4 scale . 2100 Citabria 1/4 scale 2100 Mr Malligan w/hlisters 3100 CARL GOLISEK KITS Seper Chipmank 2100 Electric Glider5 50 J-3 Cab1200 mini macu J3/J4 i/ scale.12 00 J3/J4 i/ scale1700 GREAT PLANES CAP 21 40 size 1300 CAP 21 60 size 1900 Electric Cah 750 Saper Aeromaster 1500 LAJICE BAR AIRCRAFT MPG F4U open flaps 2100 P-5123 00 RV329 00 MAUL AIRPLANE NEWS Aero Fox 11 00 Saper Hots 1100 Big Hots 1700 Knight Twister 3100 Liberty Sport B 2600 PICA Aeronca Sedan 1/ scale .. 1600 Cessna 192 scale 2100 Joegmeister w/blisters 1000 T2B 1/5 Scale 2500 Waco /s w/blisters 2200 SIB J-3 Cah w/engine 2100 Cuh Special PA 11 2100 KadetSr 1100 Keagar 950 Skybolt 1300 SCAlE PLANS MIS P1101K Gloster Gladiator scale .. 2600 PT19 e 2100 Super Marine SOB scale 2500 Floats 70 long pair12500 Wace YMF-5 /a scale2700 WE TECHNICAL SERVICES PLANS Beoter Wittman Racer 2900 Cessna AW 1700 Cartiss Falcon 31 00 Spad XIII Cl 2000 WORLD ENGINE CAP 21 40 size 1400 Draqon Lady 1900 Rabin Hood 09 2100 OTHER KITS ASTRO FLIGHTPnrtertield 900 DAVE PLATTJangmeister . 2100 MIDWESTSuper Hots 1150 RC KITS Star Daster 2100 Strive get good setup ma neuver wings should level constant al titude contestant announces Beginning now Maneuver complete Smooth corrections during flight coun ter adverse winds gusts sudden crosswinds should cause loss points Consider ation scale speed overall flying qualities model should given judges minds lack precision will result de duction points manner present flight should pleasure judge Dont make difficult vague Stand close judges can hear call program Fly program easy judges see Start finish ma neuvers stated rule book Read de scription to flown Avoid er rors specified possible During practice sessions fly program critique yourself Above honest self possible have friend help ask him flight went Work having crossover points right front Have maneuvers comfortable eye level altitude distance out judges folks want impress years ago told elderly gentle man get out something what THE BEST FUSELAGE JIG EVER PERIOD Provides Solid Support Accurate Building Rugged construction 7 Ply Aircraft Plywood Provides Lifetime use Two Sizes Available Regular Fuselages Up 6 Wide Jumbo lages Up 9 Wide Use Own Building Board Work Bench Base Mount Jig Station Uni-Strut Guide Rails Most Versatile SettJp contains complete Hardware Instructions Including Uni-Strut Information Box 4 Standard Jig Stations 91795 Box 4 Jumbo Jig Stations 1995 TwoS ft long Guide Rails including mounting nuts 2195 FIBERGLASS Dept MA Rt 1 Box 530 Goodview VA 24095 womunm Utmh lbs cut US add 5300 up ibugs Va nua add 4/a% ulus tax US USIBSES VISA MuteeCud COIL dm5 accepted add S2U ulpplg Cbu3S SiBIdS Kilt US wells *pIag rs uduelq lachde $100 US mini patams mId huldihlg PUnK inininsa wuinAnou 703-890-6017 9am 9 pm EDT Send Si 00 8-page brochure featuring hundreds cowls wheelpants radial cowls Brochure free order put winners work hard As step off soapbox Ill now announce Article com plete RC Soaring/Blakeslee Continued page 49 once week purchased two Roke kits Tony SB-l0 ASW-17 SB10 nearly complete real reason letter tell about fooling around Sagitta family Sailplanes discovery Missing Sagitta given broken 600 quickly repaired flew its pants off graduated 900 Cumic friend gave 600 also Sagitta XC al ways amazed no way get kit since has withdrawn Airtronics started looking Sagitta family Sailplanes comparing wingspans planforms polyhe dral angles tail moments etctrying under stand what made ships fly great Yes Eppler 205 common denominator 30/100 poly angles same missing link found compare wingspans ter need establish baseline before going further primary interests Sailplanes IVANS MAGIC GADGET protractor device used Ivan Kristensen accurately measure aileron elevator rudder throw Takes guess work out trimming out airplane quality toot complete instructions logbook carrying case5795 -I PLUG-IN ADJUSTABLE STAB KIT last can optimize stab incidence best flight charac teristics pair glass Sited nylon adjusters included provide micro screw adjustment smaller front tube Main tube aluminum matching phenolic socket 9695 Include 92 SOIltem UPS esidents Add 6% Sales Tan GATOR R/C PRODUCTS 3713 Pompano Dr acola FL 32514 1 476-8639 flying high long Cross-Country So tends make want large ships good pen etration qualities should explain did what did first Cumic Plusstretched span 130 118 increased stab area 15% Right out blocks ship thermalled exceptionally well penetrated beautifully Three dubbed Cumic Plus Plus have built flown very success fully However super thermaling ship it still ultimate X-C machine mainly because visibility problems high altitudes Now Missing Sagitta mic Plus 118-in wingspan Plus Plus 130 Sagitta XC 174 inwell measurements plus photograph 600 900 XC taken contest two years ago led believe something missing 140/150-in range After some initial layouts thought looked like Missing Sagitta would fit requirements fine X-C ma chine also outstanding all-out Thermal ship Sagitta XC big heavy tend requires assistance launching Cumic Plus Plus little too small wanted plane didnt need FAA checklist flythe famous KISS keep sinople stupid RMcM principle No high tech except airfoil Just rudder elevator spoilers photo shows both experimental Sailplanes Plus Plus smaller Missing Sagitta Ive named Cumic XC larger used Bob Sealy Jupiter fuselage stretched 6 same length Sagitta XC 57 wing three-piece bolt-on design fuselage cut out pro vide saddle area wing center section rest Michael Seligs 3021 improved E205 about 1 % thinner used air foil After new Sagitta family member de serves little sprucing up center panels 39 side con structed % x 3R-in main spars 0007 car bon fiber outer sides % x A-in drag spar also used Spoilers five bays wide Tip panels 36 making total span 150 Chord main panels 12 mak ing airfoil thick enough good strength tal area 1656 sq Construction typical D tube t selected strength noah spans 36 has NACA 0010 section thick root first flights went very successfully Cumic XC real dream ship fly grooves very well turns very stablelike giant Paragon S3021 seems have good speed range required X-C flying works lift well Sailplane weve flown Continued page 153 PLUG-IN WING ADJUSTER KIT Four glass filled nylon brackets included key wing panels front rear allow accurately adjust panel straight flight complete hardware & instructions5995 NG TUBE & SOOCETS Aluminum alloy tubing plug-in wings Included pair special slip-fit phenolic sockets build wing structure Now size models 718 dia x 2S 895 1diax2S 995 1diax3S1495 148 Model Aviation