RADIO CONTROL JETS q II U III r] ULIUU IrVj tzu rlor r U SI YOU MAY HAVE noticed new byline months column Im stepping Del Ellis tends health problem wish him well speedy healthy recovery Developments jet model products continue amaze Golden West Models brought its new Hammer turbine out deep freeze Ohio January final AMA approval cold-weather testing Tad Krzanowski Bob Wilcox owners Golden West Models flew Los Angeles perform demonstration arrived Level Two snow ice storm temperatures around 150 Stories will probably told traveled Terry Nitschs house Grove City OH near Columbus demonstration run Hammer awesome turbine available 13 17 pounds thrust depending needs option allow models less 19 pounds fly within AMA regulations turbine All-up weight Hammer package approximately 4/2 pounds accessories Fuel Jet K-i 5% turbine oil separate oil system required Throttle response similar other turbines thrust range turbine package comes turbine engine fuel pump battery ECU GSU Ground Support Unit almost everything required start turbine cost set $3200 Tad Bob tell Hammer packaged same philosophy previous turbine FD3/67 miscellaneous accessories included Golden West has resisted urge use scuba tank air source starting instead upstaging everyone complete self-contained system onboard airplane field box required flightline bring out model transmitter fire extinguisher turbine start initiated auxiliary channel throttle control complete startup sequence controlled electronic control unit onboard airplane small electric motor turns compressor onboard systems power glow plug solenoid valve feeds propane turbine startup followed power fuel pump Jet fuel/oil mix Once turbine attains stable idle youre ready go no lines disconnect Shutdown cool-down just simple Engine shutdown controlled slow idle trim auxiliary channel switch ECU will shut down fuel pump close fuel valve solenoid sequence electric starter motor until turbine exhaust gas temperature cooled sufficiently Everything required start run shut engine down onboard aircraft system clean simple effective During testing Terrys six starts run miss 150 air temperatures technology Hammer took develop worth wait Golden West already shipping turbines customers Good News FD3/67 turbine owners Golden West will continue support FD3/67s make new engines available request early turbines have history excellent reliability modest cost FD3/67s 8-pound-thrust turbines allows used 114 Model Aviation y Kerr Sr built pretty F-86 Saber fully detailed including panel lines rivets full cockpit Bob Violett Models kit Terry Nitschs award-winning Minute Men Lockheed F-80BVM Authors Lockheed T-33 Shooting Star BVM kit has BVM kit Original JPX turbine changed AMT Mercury turbine 91 ducted fan Glennis Aircraft scale T-33 wheels brakes disc pressing against wheel hub use brakes quite demanding because fly runways varying width 16 24 feet Areas narrow demand equal application brakes could off runway before have time correct braking systems Ive used can meet demands however must get know system set up correctly maintain first step success read instructions inform readers length hoses actuating valve brake hubs must equal length thats truth next area proper lubrication brake system Read recommendations type system has its own lubricating needs watch out tight-fitting bushings new wheels new axleit gets tighter exposed dirt runway problem has frustrated modelers has resulted damaged models and/or flat-spotted tires have locked up fourth fifth flight new wheels axles lap new wheel bushings axles little valve-grinding compound ensure loose fit Routine maintenance brake systems minor Check proper air pressure before flight clean lubricate wheel hubs brake calipers 20 flights depending dirt conditions flying site Ive set up BVM 2/4-inchdiameter-tire sport brakes use dual pressure valve allow ability lock brakes turbine runup lesser pressure controllable braking landing high pressure taken retract air system giving about 100 psi holding model place Low pressure taken separate air tank pressure set optimize braking landing need enough braking action slow after landing much create other problems use 40 psi landing slow 11pound model straight stop raised pressure 50 psi model would become difficult steer straight runway 60 psi tires would lock up making steering straight impossible would result flat-spotting tires bit advice dont store model brakes applied will take few flights get brake application back Glennis system 18pound T-33 uses plastic disc pressing against side wheel hub brake effective took really figure out best pressure setting good rollout handling less 25 psi making difficult keep brakes clean lubricated enough maintain application Ive solved problem putting lubrication between brake disc hub Now use about 70 psi pressure low-pressure brake tank giving smooth action brakes landing rollout BVM Glennis systems touch whats available model brakessome provide variable pressure actuation allowing proportional application brakes full-scale aircraft allows apply brakes hard want want havent flown systems once get feel Ill bet can get some really short landing rolls Check out Jets Over MidAmerica JPO District 6 Web site sponsored Roger Shipley Its good site can found http//membersaolcom/mtaindy/jpo html ier ducted-fan models modest airframe investments flew FD3167 years CSM Exterminator Ive seen turbine different 72- 90-cubic-inch ducted-fan models flying well power available testing group finished running Hammer retired Terrys living room enjoy first flight video tape Golden Wests latest commissioned modela 30pound delta Hammer-powered wing leading-edge devices yaw control aircraft proof-of-concept model examining alternative method yaw control aircraft equipped fin rudder series small air bags arranged along leading edge bags inflated side provide additional drag producing yaw effect delta models flight performance handling looked good yaw effect inflating leading edge devices some potential though very effective early form deltas requirements use turbine engine eliminate effects torque purpose model study effectiveness control concept use future stealth-type aircraft popular option highperformance ducted-fan turbine models wheel brakes havent tried set have flying brake-equipped models few years miss brakes dearly Im flying model equipped Wheel brakes highly effective taxiing preparing takeoff reduce landing roll last item particularly important landing under adverse conditions ie dead-stick landings short runways Most brake systems marketed use ducted-fan turbine models highly developed complete brake calipers wheel hubs hard tires hard tires required get reasonable tire life paved surfaces Normal tires will wear out quickly under stress braking experience BVM sport brakes Glennis wheels brakes T-33 Both systems have performed well minimal learning curves get effective controllable braking action BVM system expanding 0-ring design Glennis system applies pressure June1999 115 U Wsa S USI YaU rs Dont wait longer experience awesome thrill palntnthe sky StJPERDRI I SUPERORI AVIATION SMOKE OIL 0 tOe pooior, ontoko oh OOdoIeo VAt Vt SttpOhiOr lotenoc orookoPOUR CONVENIENT UNITSI U EoOOIIOotpooiotsncoJOR 15514$ 1200I tile boot Aok Duo Coo 4 1gsi Jogs$ 4800 IDsoo oh Linoooo Stoho Shtoko Aok todrrOtty toshtoUIrhoto tiko AMP sod TMEPoll 591$ 5000 Dec01 SO-golS 27000I ORI too ootooi epotstioo ao Ito Soot VootI iTS TIME YOtJ TRIED SOME Ii
Edition: Model Aviation - 1999/06
Page Numbers: 114, 115
Edition: Model Aviation - 1999/06
Page Numbers: 114, 115
RADIO CONTROL JETS q II U III r] ULIUU IrVj tzu rlor r U SI YOU MAY HAVE noticed new byline months column Im stepping Del Ellis tends health problem wish him well speedy healthy recovery Developments jet model products continue amaze Golden West Models brought its new Hammer turbine out deep freeze Ohio January final AMA approval cold-weather testing Tad Krzanowski Bob Wilcox owners Golden West Models flew Los Angeles perform demonstration arrived Level Two snow ice storm temperatures around 150 Stories will probably told traveled Terry Nitschs house Grove City OH near Columbus demonstration run Hammer awesome turbine available 13 17 pounds thrust depending needs option allow models less 19 pounds fly within AMA regulations turbine All-up weight Hammer package approximately 4/2 pounds accessories Fuel Jet K-i 5% turbine oil separate oil system required Throttle response similar other turbines thrust range turbine package comes turbine engine fuel pump battery ECU GSU Ground Support Unit almost everything required start turbine cost set $3200 Tad Bob tell Hammer packaged same philosophy previous turbine FD3/67 miscellaneous accessories included Golden West has resisted urge use scuba tank air source starting instead upstaging everyone complete self-contained system onboard airplane field box required flightline bring out model transmitter fire extinguisher turbine start initiated auxiliary channel throttle control complete startup sequence controlled electronic control unit onboard airplane small electric motor turns compressor onboard systems power glow plug solenoid valve feeds propane turbine startup followed power fuel pump Jet fuel/oil mix Once turbine attains stable idle youre ready go no lines disconnect Shutdown cool-down just simple Engine shutdown controlled slow idle trim auxiliary channel switch ECU will shut down fuel pump close fuel valve solenoid sequence electric starter motor until turbine exhaust gas temperature cooled sufficiently Everything required start run shut engine down onboard aircraft system clean simple effective During testing Terrys six starts run miss 150 air temperatures technology Hammer took develop worth wait Golden West already shipping turbines customers Good News FD3/67 turbine owners Golden West will continue support FD3/67s make new engines available request early turbines have history excellent reliability modest cost FD3/67s 8-pound-thrust turbines allows used 114 Model Aviation y Kerr Sr built pretty F-86 Saber fully detailed including panel lines rivets full cockpit Bob Violett Models kit Terry Nitschs award-winning Minute Men Lockheed F-80BVM Authors Lockheed T-33 Shooting Star BVM kit has BVM kit Original JPX turbine changed AMT Mercury turbine 91 ducted fan Glennis Aircraft scale T-33 wheels brakes disc pressing against wheel hub use brakes quite demanding because fly runways varying width 16 24 feet Areas narrow demand equal application brakes could off runway before have time correct braking systems Ive used can meet demands however must get know system set up correctly maintain first step success read instructions inform readers length hoses actuating valve brake hubs must equal length thats truth next area proper lubrication brake system Read recommendations type system has its own lubricating needs watch out tight-fitting bushings new wheels new axleit gets tighter exposed dirt runway problem has frustrated modelers has resulted damaged models and/or flat-spotted tires have locked up fourth fifth flight new wheels axles lap new wheel bushings axles little valve-grinding compound ensure loose fit Routine maintenance brake systems minor Check proper air pressure before flight clean lubricate wheel hubs brake calipers 20 flights depending dirt conditions flying site Ive set up BVM 2/4-inchdiameter-tire sport brakes use dual pressure valve allow ability lock brakes turbine runup lesser pressure controllable braking landing high pressure taken retract air system giving about 100 psi holding model place Low pressure taken separate air tank pressure set optimize braking landing need enough braking action slow after landing much create other problems use 40 psi landing slow 11pound model straight stop raised pressure 50 psi model would become difficult steer straight runway 60 psi tires would lock up making steering straight impossible would result flat-spotting tires bit advice dont store model brakes applied will take few flights get brake application back Glennis system 18pound T-33 uses plastic disc pressing against side wheel hub brake effective took really figure out best pressure setting good rollout handling less 25 psi making difficult keep brakes clean lubricated enough maintain application Ive solved problem putting lubrication between brake disc hub Now use about 70 psi pressure low-pressure brake tank giving smooth action brakes landing rollout BVM Glennis systems touch whats available model brakessome provide variable pressure actuation allowing proportional application brakes full-scale aircraft allows apply brakes hard want want havent flown systems once get feel Ill bet can get some really short landing rolls Check out Jets Over MidAmerica JPO District 6 Web site sponsored Roger Shipley Its good site can found http//membersaolcom/mtaindy/jpo html ier ducted-fan models modest airframe investments flew FD3167 years CSM Exterminator Ive seen turbine different 72- 90-cubic-inch ducted-fan models flying well power available testing group finished running Hammer retired Terrys living room enjoy first flight video tape Golden Wests latest commissioned modela 30pound delta Hammer-powered wing leading-edge devices yaw control aircraft proof-of-concept model examining alternative method yaw control aircraft equipped fin rudder series small air bags arranged along leading edge bags inflated side provide additional drag producing yaw effect delta models flight performance handling looked good yaw effect inflating leading edge devices some potential though very effective early form deltas requirements use turbine engine eliminate effects torque purpose model study effectiveness control concept use future stealth-type aircraft popular option highperformance ducted-fan turbine models wheel brakes havent tried set have flying brake-equipped models few years miss brakes dearly Im flying model equipped Wheel brakes highly effective taxiing preparing takeoff reduce landing roll last item particularly important landing under adverse conditions ie dead-stick landings short runways Most brake systems marketed use ducted-fan turbine models highly developed complete brake calipers wheel hubs hard tires hard tires required get reasonable tire life paved surfaces Normal tires will wear out quickly under stress braking experience BVM sport brakes Glennis wheels brakes T-33 Both systems have performed well minimal learning curves get effective controllable braking action BVM system expanding 0-ring design Glennis system applies pressure June1999 115 U Wsa S USI YaU rs Dont wait longer experience awesome thrill palntnthe sky StJPERDRI I SUPERORI AVIATION SMOKE OIL 0 tOe pooior, ontoko oh OOdoIeo VAt Vt SttpOhiOr lotenoc orookoPOUR CONVENIENT UNITSI U EoOOIIOotpooiotsncoJOR 15514$ 1200I tile boot Aok Duo Coo 4 1gsi Jogs$ 4800 IDsoo oh Linoooo Stoho Shtoko Aok todrrOtty toshtoUIrhoto tiko AMP sod TMEPoll 591$ 5000 Dec01 SO-golS 27000I ORI too ootooi epotstioo ao Ito Soot VootI iTS TIME YOtJ TRIED SOME Ii
