RADIO CONTROL JETS mm. III JETS ARE ALIVE well Scale competition went West Palm Beach Florida lop Gun Scale meet jets out force Terry Nitsch led way awards category Check out results September lop Gun article models flown competition beautiful works art almost shame risk flying flown competing jet models put great display lop Gun held grass polo field lined trees isnt place faint heart ducted-fan modelers careful wet morning grass extra drag made takeoffs longer pilots handled job very professional manner decision points set advance takeoff pilots adhered decision points shut down required accepting flight attempt cost saving model could fly later pilots could learn guys know save models Turbines Top Gun represented full spectrum manufacturers saw numerous AMIs RAMs RA Microjets Sophias new Golden West Hammer turbines performed well competition showing far technology has come just few years definitely selection quality turbines select make turbine purchases Among noteworthy examples Jack Diazs awesome AMI powered BVM Bob Violett Models F-4a truly impressive setup flown professional quality pilot Quite few MiG- 15s competition powered mainly RAIVI turbines Dave Ribbes MiG-15 powered new Sophia proving flexibility airframe handle various turbine installations Tad Krzanowski competed Team Scale incredible MiG-17 model epitomizes jet Scale modeling original-design all-composite aircraft loaded neat options could imagine model equipped flaps speed brakes shock-absorbing landing gear Tads own design full-sequencing gear doors proportional brakes Golden West Models Hammer turbine onboard starting capabilities Tad selected very forgiving airfoil sets up easily final landing given highly swept-wing design initiation turbine startup completion flight controlled transmittera totally awesome expenence Ive flown model Ive learned get the features such learning use proportional brakes control taxi speed Controlling ajets taxi speed chore especially grass takes great deal power just start moving Once jet starts moving have back off throttle hope Ive got about right nice taxi speed use proportional brakes makes taxi speed control much easier throttle use alone Tad set up brake control slider port left side transmitter index finger sits comfortably control use brake control would use brakes car depress slowly much need Hammer turbines automatic onboard start feature impressive unique problem keeping tailpipe clear people turbine going through starting procedure Hammer quiet people try get close hear start Tad would clear spectators behind aircraft initiate startup have keep curious approaching model behind until came up heat Landing gear doors just Scale Speed models anymore showing up sport models simple devices offer good looksthey have measurable performance advantages high-speed model aircraft Years ago added main gear strut nose gear doors old Midnight Viper Prior door installation normal flyby speeds averaged 148 mph gear doors speed October1999 111 Dave Ribbe really does have situation under control smoke excess fuel burning completely turbine shuts down following aborted start Jim Hiller flew Tad Krzanowskis MiG-17 Top Gun MiG-17s Ian Richardson assembles BVM MiG-15 help pilot faster MiG-1 5s duplicates performance edge Steve Elias made strong effort Top Gun Team Scale increased 157-mph average straight-and-level passes full throttle applied after rolling out heading no diving extra speed recorded times JPO Jet Pilots Organization speed traps extra speed also equates significant improvement vertical lines aerobatic maneuvers gear doors allowed stock Viper BVM 91 achieve 217 mph big-dive speed runs prior gear doors never went faster 200 mph Installing gear doors retrofitted existing airframes difficult key success respect enormous air loads gear doors speeds jets fly Gear doors held up tight wing will pulled out air loads partially-open doors result significant drag similar loss performancea very frustrating experience retract units never designed gear doors mind dont have extra force required hold gear door tight against wing Modem jet retract units have larger air cylinders equipped uplocks eliminating problem have very successful sport ducted fan models using retract units uplocks Viper later Extenninator have used traditional-size B&D retracts positive uplock Exterminator Robart gear legs BVM wheels brakes landing gear doors about limit B&D retract can pull upbut once up locked stay gear must retracted immediately after takeoff prior building up too much airspeed power pull gear way up attaining positive uplock Ill start simple main gear strut door retrofitted existing aircraft Ill assume have retracts uplocks large air cylinders shock-absorbing struts means door can fitted lock tight against wing skin retracted inch-diameter larger gear strut first dilemma usually stock aircraft have landing gear strut flush bottom wing flat door cannot fitted curved gear door has fabricated Ive used 015 aluminum gear doors successfully Ive switched molded fiberglass carbon-fiber doors Molds composite gear doors simple make just make curved surface bending some aluminum flashing Cover inside curved surface old MonoKote backing have quick simple mold Make mold large enough lay-up measuring 6 x 8 inches youll have enough curved fiberglass both main gear strut doors typical sport jet Lay up layer six-ounce fiberglass cloth make door skin Use epoxy finishing resin layup polyester resin gear doors brittle prone breakage Cut door skins shape covering entire width wheel well plus about /8-inch per side door can fit up tight against bottom wing skin Doors should long possible touching ground struts fully collapsed Reinforce door skins carbon-fiber cord along lower edge maintain curved shape Some vertical carbon-fiber cord reinforcement may necessary longer gear doors simple mounting bracket can made hardware-store aluminum Start strip A- x 3/4-inch aluminum drill 3/s-inch-diameter hole landing gear strut Lay out two 2-56 screw holes drill through #50 tap drill Lay out overall length bracket cut length File curve outside bracket matching curvature door skin clean up saw cuts smooth edges file Cut split line thin saw Make outer bracket holes bolt clearance 3A2 drill Tap inner bracket half 256 Now have main gear strut doormounting bracket Installation running two 2-56 bolts through gear doors outside half bracket threading inside bracket half landing gear strut clamped between bracket halves method has plenty clamping power 3/s-diameter strut yet easily adjustable Its time raise serious issue turbine engine operators postcrash fires Crash-andbum can does happen turbine models AMA Safety Committee has discussed issue will continue discuss Turbine operators need prepared deal Fuel tank type location has great influence potential fire installation identified greatest postcrash potential plastic IV intravenous fluid bag Jet-A laying loose fuselage method employed early days turbines effort squeeze much fuel onboard model converted ducted fan setup possible IV bags Jet-A have proven nor stand up forces crash puncture spraying fuel directions hot turbine engine source ignition fuel postcrash fire occurs dangerous expensive unnecessary major kit manufacturers offer durable fuel tanks kits tanks made composite materials such KevlarTM carbon fiber help contain fuel tank location tanks considered design entire aircraft still have IV bag instailation update method before become victim fire As group turbine operators need continue improve knowledge commitment eliminating postcrash fires before need others step try regulate solution problem -G M High efficiency customwound 6 watt motor prop Powersl5Osqin4oz models Nil 01 $1795 MINI-il btal Syatem Paekag inciudes everything need fly assembied motor 3xllOmAh NiCds prop switch jack instructions charger less 4 dry oct15 NGO3C. $3495I fl jjW Please add $300 posts ge/han dhng The D D 77 Introductory zriirce44 New 29 span 270 sq wing quick build Bee busy 1st time builders ARF guys can quickly build Fly fast slow set up mild & forgiving wild & snappy plane light enough indoor systems strong enough speed 400 Weighs 14 oz speed 400 8-500 mab cells uses 01 10 glow power weighs 9 10 oz Cox 049 can fly R/C C02 GM 300 could also flown glider recommended trying teach themselves fly As RIC glider weighs 6 7 oz will survive crashes kit very complete wood high quality parts pre-cut dont need knife build No hardware needed include user friendly iron-on clear mylar covering Introductory price $44 including shipping Trexter balloon wheels & tire pump $10 extra accept credit card & COD orders Tel 480-649 1534 Fax 480-649 9040 Web site wwwclancyaviationcom Hours Mon thin Fri 10AM -4PM MST 112 Model Aviation 4
Edition: Model Aviation - 1999/10
Page Numbers: 111, 112
Edition: Model Aviation - 1999/10
Page Numbers: 111, 112
RADIO CONTROL JETS mm. III JETS ARE ALIVE well Scale competition went West Palm Beach Florida lop Gun Scale meet jets out force Terry Nitsch led way awards category Check out results September lop Gun article models flown competition beautiful works art almost shame risk flying flown competing jet models put great display lop Gun held grass polo field lined trees isnt place faint heart ducted-fan modelers careful wet morning grass extra drag made takeoffs longer pilots handled job very professional manner decision points set advance takeoff pilots adhered decision points shut down required accepting flight attempt cost saving model could fly later pilots could learn guys know save models Turbines Top Gun represented full spectrum manufacturers saw numerous AMIs RAMs RA Microjets Sophias new Golden West Hammer turbines performed well competition showing far technology has come just few years definitely selection quality turbines select make turbine purchases Among noteworthy examples Jack Diazs awesome AMI powered BVM Bob Violett Models F-4a truly impressive setup flown professional quality pilot Quite few MiG- 15s competition powered mainly RAIVI turbines Dave Ribbes MiG-15 powered new Sophia proving flexibility airframe handle various turbine installations Tad Krzanowski competed Team Scale incredible MiG-17 model epitomizes jet Scale modeling original-design all-composite aircraft loaded neat options could imagine model equipped flaps speed brakes shock-absorbing landing gear Tads own design full-sequencing gear doors proportional brakes Golden West Models Hammer turbine onboard starting capabilities Tad selected very forgiving airfoil sets up easily final landing given highly swept-wing design initiation turbine startup completion flight controlled transmittera totally awesome expenence Ive flown model Ive learned get the features such learning use proportional brakes control taxi speed Controlling ajets taxi speed chore especially grass takes great deal power just start moving Once jet starts moving have back off throttle hope Ive got about right nice taxi speed use proportional brakes makes taxi speed control much easier throttle use alone Tad set up brake control slider port left side transmitter index finger sits comfortably control use brake control would use brakes car depress slowly much need Hammer turbines automatic onboard start feature impressive unique problem keeping tailpipe clear people turbine going through starting procedure Hammer quiet people try get close hear start Tad would clear spectators behind aircraft initiate startup have keep curious approaching model behind until came up heat Landing gear doors just Scale Speed models anymore showing up sport models simple devices offer good looksthey have measurable performance advantages high-speed model aircraft Years ago added main gear strut nose gear doors old Midnight Viper Prior door installation normal flyby speeds averaged 148 mph gear doors speed October1999 111 Dave Ribbe really does have situation under control smoke excess fuel burning completely turbine shuts down following aborted start Jim Hiller flew Tad Krzanowskis MiG-17 Top Gun MiG-17s Ian Richardson assembles BVM MiG-15 help pilot faster MiG-1 5s duplicates performance edge Steve Elias made strong effort Top Gun Team Scale increased 157-mph average straight-and-level passes full throttle applied after rolling out heading no diving extra speed recorded times JPO Jet Pilots Organization speed traps extra speed also equates significant improvement vertical lines aerobatic maneuvers gear doors allowed stock Viper BVM 91 achieve 217 mph big-dive speed runs prior gear doors never went faster 200 mph Installing gear doors retrofitted existing airframes difficult key success respect enormous air loads gear doors speeds jets fly Gear doors held up tight wing will pulled out air loads partially-open doors result significant drag similar loss performancea very frustrating experience retract units never designed gear doors mind dont have extra force required hold gear door tight against wing Modem jet retract units have larger air cylinders equipped uplocks eliminating problem have very successful sport ducted fan models using retract units uplocks Viper later Extenninator have used traditional-size B&D retracts positive uplock Exterminator Robart gear legs BVM wheels brakes landing gear doors about limit B&D retract can pull upbut once up locked stay gear must retracted immediately after takeoff prior building up too much airspeed power pull gear way up attaining positive uplock Ill start simple main gear strut door retrofitted existing aircraft Ill assume have retracts uplocks large air cylinders shock-absorbing struts means door can fitted lock tight against wing skin retracted inch-diameter larger gear strut first dilemma usually stock aircraft have landing gear strut flush bottom wing flat door cannot fitted curved gear door has fabricated Ive used 015 aluminum gear doors successfully Ive switched molded fiberglass carbon-fiber doors Molds composite gear doors simple make just make curved surface bending some aluminum flashing Cover inside curved surface old MonoKote backing have quick simple mold Make mold large enough lay-up measuring 6 x 8 inches youll have enough curved fiberglass both main gear strut doors typical sport jet Lay up layer six-ounce fiberglass cloth make door skin Use epoxy finishing resin layup polyester resin gear doors brittle prone breakage Cut door skins shape covering entire width wheel well plus about /8-inch per side door can fit up tight against bottom wing skin Doors should long possible touching ground struts fully collapsed Reinforce door skins carbon-fiber cord along lower edge maintain curved shape Some vertical carbon-fiber cord reinforcement may necessary longer gear doors simple mounting bracket can made hardware-store aluminum Start strip A- x 3/4-inch aluminum drill 3/s-inch-diameter hole landing gear strut Lay out two 2-56 screw holes drill through #50 tap drill Lay out overall length bracket cut length File curve outside bracket matching curvature door skin clean up saw cuts smooth edges file Cut split line thin saw Make outer bracket holes bolt clearance 3A2 drill Tap inner bracket half 256 Now have main gear strut doormounting bracket Installation running two 2-56 bolts through gear doors outside half bracket threading inside bracket half landing gear strut clamped between bracket halves method has plenty clamping power 3/s-diameter strut yet easily adjustable Its time raise serious issue turbine engine operators postcrash fires Crash-andbum can does happen turbine models AMA Safety Committee has discussed issue will continue discuss Turbine operators need prepared deal Fuel tank type location has great influence potential fire installation identified greatest postcrash potential plastic IV intravenous fluid bag Jet-A laying loose fuselage method employed early days turbines effort squeeze much fuel onboard model converted ducted fan setup possible IV bags Jet-A have proven nor stand up forces crash puncture spraying fuel directions hot turbine engine source ignition fuel postcrash fire occurs dangerous expensive unnecessary major kit manufacturers offer durable fuel tanks kits tanks made composite materials such KevlarTM carbon fiber help contain fuel tank location tanks considered design entire aircraft still have IV bag instailation update method before become victim fire As group turbine operators need continue improve knowledge commitment eliminating postcrash fires before need others step try regulate solution problem -G M High efficiency customwound 6 watt motor prop Powersl5Osqin4oz models Nil 01 $1795 MINI-il btal Syatem Paekag inciudes everything need fly assembied motor 3xllOmAh NiCds prop switch jack instructions charger less 4 dry oct15 NGO3C. $3495I fl jjW Please add $300 posts ge/han dhng The D D 77 Introductory zriirce44 New 29 span 270 sq wing quick build Bee busy 1st time builders ARF guys can quickly build Fly fast slow set up mild & forgiving wild & snappy plane light enough indoor systems strong enough speed 400 Weighs 14 oz speed 400 8-500 mab cells uses 01 10 glow power weighs 9 10 oz Cox 049 can fly R/C C02 GM 300 could also flown glider recommended trying teach themselves fly As RIC glider weighs 6 7 oz will survive crashes kit very complete wood high quality parts pre-cut dont need knife build No hardware needed include user friendly iron-on clear mylar covering Introductory price $44 including shipping Trexter balloon wheels & tire pump $10 extra accept credit card & COD orders Tel 480-649 1534 Fax 480-649 9040 Web site wwwclancyaviationcom Hours Mon thin Fri 10AM -4PM MST 112 Model Aviation 4
