RADIO CONTROL SCALE AEROBATICS U Ir WHENEVER YOU gather fellow modelers hear opinions subjects Sometimes meetings result collection valuable information makes modeling life simpler better other times primary value entertainment Often dont know which Two subjects apply Scale Aerobatics types have mind lately mostly because listening conversations real cyber gyros scale flying Gyroscopic stabilizers gyros have become rage recent years pure Scale models Scale Aerobatics Single gyros yaw axis used Scale aircraft reduce pilots rudder workload Dual gyrosone pitch elevator yaw rudder channelshave installed IMAC International Miniature Aerobatic Club-type airplanes greatly reduce effort required perform torque rolls Gyros have legal helicopter competition since became available have illegal Pattern airplanes just long became illegal use IMAC competition starting 1998 believe good ruling especially light recent quantum leaps gyro performance have split opinion regarding modern electronic conveniences hand feel inherently wrong have type device aircraft used competition pilot skill makes control inputs pilot based feedback sensors installed airplane other hand find nothing wrong using computer radio perform trimming functions would otherwise possible real pain achieve aerodynamic modifications Some people feel opinions cross purposes huge leap between passive mixing active sensing latest gyros make strongest argument against allowing use pilot-skill competitions Generally known heading lock gyros new units sold Arcamax CSM far gyros supersede Until units arrived thing gyro mechanical piezo could dampen motion pilots thought would hold heading case gyros reacted motion installed axis usually yaw moved servo apply opposite control until motion stopped motion detected first place will have changed heading movement would stopped after some change heading occurred Reportedly heading-lock gyros rather simplified terms go step farther stop detected motion also put control needed cause aircraft move same rate time opposite direction gyro senses x rate right yaw second will stop apply opposite rudder cause same rate yaw second opposite direction effect single-axis auto pilot heading angle attack gyro will seek whatever position last commanded control stick heading-lock gyros pilots workload can greatly reduced torque roll extremely difficult maneuver will almost easy gyros actively flying elevator rudder expect see units TOC Tournament Champions hot-dog airplanes helicopters except prohibited congratulate IMAC outlawing such autopilot devices just nick timebefore invest $170-$250 per unit subject scale flying just contentious subject gyros dont know times Ive heard people watching hot Radio Control RC Aerobatics performance say something effect thats neat real airplanes cant fly like Depending model flown statement may may true model flown IMAC competition likely flying same manner full-scale aircraft since IMAC sequences very close adaptations full-scale JAC patterns gravity loads thrust-to-weight ratios may exceed full-scale norms maneuvers generally realistic place IMAC reality stretched some freestyle maneuvers near-stationary tumbling maneuvers yet seen full-scale events no sane pilot would touch ground his/her rudder during torque roll Im amazed what have seen recently full-scale aerobatics Lomeevaks commonplace combination snap roll tumble can imagine Torque rolls tail slides some reaching 100 mph backward airspeed seen 5400 stall turns have performed air shows across country current crop full-scale aerobatic mounts pilots capable performance impossible decade ago flying model current top designs things can close prototypical scale flying issue gets difficult subject old aerobatic designs non-aerobatic designs get tossed mix April 1998 91 Leroy Bangert holds Goldberg Sukhoi great IMAC performer can work well Pattern Size cost make Sukhois popular prefer upper size limits youll enjoy Tournament Champions-style aircraft Two-video set 1997 TOC available received letter urging series properly fly aerobatics airplanes ranging Curtiss Jennys P-51 Mustangs writers point valid scale ioop Piper Cub certainly enter level flight perform perfect circle maneuver seen purposedesigned aerobatic airplanes However must clarify scope column aerobatics Scale already fine books columns Scale airplanes pilots column group fly aerobatics use Scale aircraft opposed pilots fly Scale aircraft some aerobatic maneuvers Since flying aerobatics primary point assume pilot has selected Scale aircraft primarily designed fly aerobatics first really tough really basic maneuver Im going suggest practice judged IMAC events however required maneuver contests done well can have negative effect life airplane score next flight Its crosswind landing old hands generally wont consider crosswind landing difficult aerohatic maneuver As good pal Rick Allison has said properly executed landing definition aerobatic nature Nonetheless bear explain Any landings critical maneuvers mainly because cant safe altitude As tower instructed Ted Stryker movie Airplane Youre gonna have get pretty low land thing Crosswind landings superb test multiaxis control Look what need wings level ailerons aircraft heading down centerline rudder airspeed controlled angle attack elevator descent rate adjusted throttle control have use requires constant attention adjustment Plus controls tend interact other changing will probably require adjustment another few challenging maneuvers Most novice pilots two things crosswind CW conditions dont fly fly make skidding sideways approach landing latter braver since pilots aspiring reach high level control over aircraft Ill look proper crosswind landing techniques first part proper CW landing situational awareness dont wait until youre short final assess wind conditions theres significant wind should able feel hands face neck always fly light red flag antenna show exact surface wind conditions Whatever approach use determine wind conditions use time Once youve checked wind can anticipate what general control inputs will needed Say direct crosswind blowing position out across runway Airplanes always tend drift wind model will moving sideways away approach same time airplane will weathervane wind meaning tail will blow out airplane will turned windtoward flightline example So youll need use rudder correct heading opposite aileron correct flight path Start practicing light winds work up stronger wind conditions get comfortable Rats Im out space Ill continue crosswind discussion next time revisit elevator actuation discussion started February column Ive watched new 1997 TOC video set Propwash Video Productions Its 31/2 hours entertaining coverage two VHS quality videos $2495 Call Propwash 800 355-7333 order yours Send letters photos until next time have fun fly safely ODUCING NEW LINE PRECISION PROP NUTS AND HUBS Now greater choice quality Tru-Turn products 3 sizes PROP NUTS ranging 5/8 7/8 diameter 2 shapes available stock RIO engine thread sizes 5 sizes PROP HUBS ranging 1to 2 diameter 2 shapes new PROP NUTS PROP HUBS addition existing line precision aluminum spinners range 1-1/2 6 over 90 shapes sizes blade configurations new Tru-Turn PROP HUB line complimented extensive line over 70 adapter kits Tru-Turn makes adapter production RIO engine market have adapter problem. help phone call away. See hobby dealer call us direct. Up TM RU Made U S PRECISION MODEL PRODUCTS Romco Manufacturing Inc QUALITY ATILITY T LOOKS TY PO Box 836 South Houston Texas 77587 713/ 943-1867 ws 92 Model Aviation
Edition: Model Aviation - 1998/04
Page Numbers: 91, 92
Edition: Model Aviation - 1998/04
Page Numbers: 91, 92
RADIO CONTROL SCALE AEROBATICS U Ir WHENEVER YOU gather fellow modelers hear opinions subjects Sometimes meetings result collection valuable information makes modeling life simpler better other times primary value entertainment Often dont know which Two subjects apply Scale Aerobatics types have mind lately mostly because listening conversations real cyber gyros scale flying Gyroscopic stabilizers gyros have become rage recent years pure Scale models Scale Aerobatics Single gyros yaw axis used Scale aircraft reduce pilots rudder workload Dual gyrosone pitch elevator yaw rudder channelshave installed IMAC International Miniature Aerobatic Club-type airplanes greatly reduce effort required perform torque rolls Gyros have legal helicopter competition since became available have illegal Pattern airplanes just long became illegal use IMAC competition starting 1998 believe good ruling especially light recent quantum leaps gyro performance have split opinion regarding modern electronic conveniences hand feel inherently wrong have type device aircraft used competition pilot skill makes control inputs pilot based feedback sensors installed airplane other hand find nothing wrong using computer radio perform trimming functions would otherwise possible real pain achieve aerodynamic modifications Some people feel opinions cross purposes huge leap between passive mixing active sensing latest gyros make strongest argument against allowing use pilot-skill competitions Generally known heading lock gyros new units sold Arcamax CSM far gyros supersede Until units arrived thing gyro mechanical piezo could dampen motion pilots thought would hold heading case gyros reacted motion installed axis usually yaw moved servo apply opposite control until motion stopped motion detected first place will have changed heading movement would stopped after some change heading occurred Reportedly heading-lock gyros rather simplified terms go step farther stop detected motion also put control needed cause aircraft move same rate time opposite direction gyro senses x rate right yaw second will stop apply opposite rudder cause same rate yaw second opposite direction effect single-axis auto pilot heading angle attack gyro will seek whatever position last commanded control stick heading-lock gyros pilots workload can greatly reduced torque roll extremely difficult maneuver will almost easy gyros actively flying elevator rudder expect see units TOC Tournament Champions hot-dog airplanes helicopters except prohibited congratulate IMAC outlawing such autopilot devices just nick timebefore invest $170-$250 per unit subject scale flying just contentious subject gyros dont know times Ive heard people watching hot Radio Control RC Aerobatics performance say something effect thats neat real airplanes cant fly like Depending model flown statement may may true model flown IMAC competition likely flying same manner full-scale aircraft since IMAC sequences very close adaptations full-scale JAC patterns gravity loads thrust-to-weight ratios may exceed full-scale norms maneuvers generally realistic place IMAC reality stretched some freestyle maneuvers near-stationary tumbling maneuvers yet seen full-scale events no sane pilot would touch ground his/her rudder during torque roll Im amazed what have seen recently full-scale aerobatics Lomeevaks commonplace combination snap roll tumble can imagine Torque rolls tail slides some reaching 100 mph backward airspeed seen 5400 stall turns have performed air shows across country current crop full-scale aerobatic mounts pilots capable performance impossible decade ago flying model current top designs things can close prototypical scale flying issue gets difficult subject old aerobatic designs non-aerobatic designs get tossed mix April 1998 91 Leroy Bangert holds Goldberg Sukhoi great IMAC performer can work well Pattern Size cost make Sukhois popular prefer upper size limits youll enjoy Tournament Champions-style aircraft Two-video set 1997 TOC available received letter urging series properly fly aerobatics airplanes ranging Curtiss Jennys P-51 Mustangs writers point valid scale ioop Piper Cub certainly enter level flight perform perfect circle maneuver seen purposedesigned aerobatic airplanes However must clarify scope column aerobatics Scale already fine books columns Scale airplanes pilots column group fly aerobatics use Scale aircraft opposed pilots fly Scale aircraft some aerobatic maneuvers Since flying aerobatics primary point assume pilot has selected Scale aircraft primarily designed fly aerobatics first really tough really basic maneuver Im going suggest practice judged IMAC events however required maneuver contests done well can have negative effect life airplane score next flight Its crosswind landing old hands generally wont consider crosswind landing difficult aerohatic maneuver As good pal Rick Allison has said properly executed landing definition aerobatic nature Nonetheless bear explain Any landings critical maneuvers mainly because cant safe altitude As tower instructed Ted Stryker movie Airplane Youre gonna have get pretty low land thing Crosswind landings superb test multiaxis control Look what need wings level ailerons aircraft heading down centerline rudder airspeed controlled angle attack elevator descent rate adjusted throttle control have use requires constant attention adjustment Plus controls tend interact other changing will probably require adjustment another few challenging maneuvers Most novice pilots two things crosswind CW conditions dont fly fly make skidding sideways approach landing latter braver since pilots aspiring reach high level control over aircraft Ill look proper crosswind landing techniques first part proper CW landing situational awareness dont wait until youre short final assess wind conditions theres significant wind should able feel hands face neck always fly light red flag antenna show exact surface wind conditions Whatever approach use determine wind conditions use time Once youve checked wind can anticipate what general control inputs will needed Say direct crosswind blowing position out across runway Airplanes always tend drift wind model will moving sideways away approach same time airplane will weathervane wind meaning tail will blow out airplane will turned windtoward flightline example So youll need use rudder correct heading opposite aileron correct flight path Start practicing light winds work up stronger wind conditions get comfortable Rats Im out space Ill continue crosswind discussion next time revisit elevator actuation discussion started February column Ive watched new 1997 TOC video set Propwash Video Productions Its 31/2 hours entertaining coverage two VHS quality videos $2495 Call Propwash 800 355-7333 order yours Send letters photos until next time have fun fly safely ODUCING NEW LINE PRECISION PROP NUTS AND HUBS Now greater choice quality Tru-Turn products 3 sizes PROP NUTS ranging 5/8 7/8 diameter 2 shapes available stock RIO engine thread sizes 5 sizes PROP HUBS ranging 1to 2 diameter 2 shapes new PROP NUTS PROP HUBS addition existing line precision aluminum spinners range 1-1/2 6 over 90 shapes sizes blade configurations new Tru-Turn PROP HUB line complimented extensive line over 70 adapter kits Tru-Turn makes adapter production RIO engine market have adapter problem. help phone call away. See hobby dealer call us direct. Up TM RU Made U S PRECISION MODEL PRODUCTS Romco Manufacturing Inc QUALITY ATILITY T LOOKS TY PO Box 836 South Houston Texas 77587 713/ 943-1867 ws 92 Model Aviation
