RADIO CONTROL HELICOPTERS HOPEFULLY BY time worst winter should behind us planning new year flying may include new helicopter have thinking about will almost certainly include trusty machine served well last year Before dust off last years pride-and-joy few flights things should check make sure well another summer fun flying Use following workbench spring checklist checks dont take much time can easily done rainy afternoon have nothing better Helicopter To make sure something isnt missed during examination recommend starting nose list isnt complete modify needed particular helicopter degree inspection 1 Canopy Remove check cracks splits especially seams its type has glued together mounting rubber grommets latches etc should good condition worn vibration good lubricant rubber plastic parts VaselineTM petroleum jelly years ago friend repaired automatic transmissions told contained rubber parts petroleum jelly lubricated well causing swelling other lubricants might 2 Servo Tray Check stress cracks broken glue joints wooden trays Twist push/pull gently check solid tray ensure well-mounted frame 3 Pushrods Check ball-links wear overall snug fit Replace needed Balls links can wear very easily get dirty have fuel being near engine/exhaust Disconnect pushrods servos push/pull hand check slop binding Ensure pushrods straight 4 Bearings Although should have given bearings coat oil helicopter put up winter oil pack bearing grease needed 5 Landing Gear/Skids Check secure straight made metal may need bent back proper position have helicopter straight level sits ground 6 Frame Check see nuts bolts secure Check vibration stress cracks around engine skid mounts Replace parts required 7 Head Although necessary its good idea remove rotor blades head has since thrust bearings have greased now would time will also enable check head closely inspect bent links pushrods flybar Check balance head/flybar using High Point Du-Bro balancer main blades should receive special attention dangerous part helicopter fail hang helicopters small hook attached ceiling have rotor blade depart helicopter its first flights after long storage Since flying helicopter entire previous year no problems can guess dry heat near ceiling during winter dried out wooden blades root reinforcements causing weaken certainly dont like discarding questionable set rotor blades alternative losing entire helicopter endangering everyone else field believe rotor blades suitable condition another season flying give close inspection Are tips good condition have scraped near-tipover Are still straight true warps Check blade reinforcement root signs fatigue enlarged mounting hole using wooden blades doubt about condition remove covering inspect wood itself covering can hide potentiai problems 8 Tailboom using wire-driven tail rotor relubricate drive wire rotor belt-driven check belt signs wear adjust tension 9 Tail Rotor Gearbox gearboxes should disassembled inspected relubricated especially careful check security tail rotor associated linkages great deal stress high rpm causing bolts loosen 10 Set Screws Now sure everything lubricated binding re-Loctite set screws Sure tight put helicopter up winter safety checka little checking may save accident loss helicopter Look plans helicopter make sure remember set screws located disassemble required get technique remove set screw clean hole screw well possible put drop removable type LoctiteTM hole another drop set screw screw place little extra LoctiteTM hole will fill small air gaps securing everything place have used technique years have virtually eliminated set screws coming loose Try 11 Fuel Tank should have stored helicopter fuel remaining tank did now time remove clean tank Check fuel lines inside outside tank holes splits will cause engine run erratically clunk weight should secure its tubing free moveespecially plan fly inverted Radio Cycling transmitter receiver batteries after storage good way check cells ability hold full charge April1999 115 Rotor head blades need extra attention during checkupthey Receiver battery pack should well-protected dense carry high loads Regrease bearings check blades wear foam Note pushrods modern push/pull systems Check connectors wires closely breaks frays etc Look particularly close wires go connectors wires have pulled possible become dislodged No matter securely wires routed check ensure has rubbing something Check servo mounting screws should snug tight take away vibration protection Check foam rubber protects receiver battery etc replace needed may want consider getting Strongbox LDM Industries offers excellent crash protection receiver airborne batteries Servo aims also take quite stress load make sure arent cracked have enlarged holes Replace needed also like disconnect servo aims servo inspect shaft output splines Check antenna free cracks rubs etc Any minor problems wire covering can corrected placing small piece heatshrink tubing over bad spot Accidentally tugging antenna could also have weakened wire solder connection receiver circuit board may want take receiver case apart check circuit board everything looks good can give entire system range check going tofly route receiver antenna different manner remove canopy some other piece helicopter because may getting accurate range check Compare range check distance getting last season make sure its minimum recommended manufacturer radio does pass check start engine radio going get better itself Have qualified technician check out Gyro Check wiring connectors Also check proper servo movement radio turned flying As helicopter nose moved gently right left gyro should giving smooth commands tail rotor servo have mechanical gyro versus solid state piezo-type gyro operating erratically take gyro case apart check see springs proper position weighted wheels spin freely electronic pickup clean small drop lightweight oil bearings may also helpful Engine Muffler Take off carburetor glow plug Disassemble carburetor much possible check foreign matter dried fuel oil etc Clean solvent relubricate engine has caked-on black oil residue can brought back near-new condition cleaning Z-Best engine cleaner carefulits quite corrosive paint tabletops etc things may want check particular helicopter should get right track may secm rather time-consuming once get started should take long entire helicopter unless find some other problems n also make Ultra Thrust Mufflers Other Engines Call application Complete Engine Muffler Combos Available Call Prices Availability Send $300 1998 Catalog Dealer Inquines Welcome PERFORMANCE SPECIALTIES P 0 Box 3146 nerville NV 89410 e 702-265-7523 702-265-7522 E mail perfspec@aci net Take look chart below An Ultra Thrust Muffler will add power hassle tuned pipes No Hangers No Couplers No Problems Dont limit performance fun Ultra Thrust Muffler Stock Muffler OS32FX15500 OS4OFX13700 OS46FX14400 OS46SF14000 0S61 FX11700 0S61 SF-P12400 ST GS 4013600 ST GS 45 ABC14600 STG61ABC11600 TT Pro 4614000 TT Pro 6111400 Webra 40 GT13800 Webra 50 OT14600 Os 32 Fe tested APC 9/6 Prop 40 througt 55 engines tested APC lOft Prop 61 engines APC 11/7 prop 15% Nitro Fiel results may nary local cooditloos 116 Model Aviation muffler can problematic ball links pushrods nearby Drug-in landings abuse tail rotor fin Dismantle check gears Check main gear bearing wear Check landing gear cracks wear lubricate everything high-quality grease 4
Edition: Model Aviation - 1999/04
Page Numbers: 115, 116
RADIO CONTROL HELICOPTERS HOPEFULLY BY time worst winter should behind us planning new year flying may include new helicopter have thinking about will almost certainly include trusty machine served well last year Before dust off last years pride-and-joy few flights things should check make sure well another summer fun flying Use following workbench spring checklist checks dont take much time can easily done rainy afternoon have nothing better Helicopter To make sure something isnt missed during examination recommend starting nose list isnt complete modify needed particular helicopter degree inspection 1 Canopy Remove check cracks splits especially seams its type has glued together mounting rubber grommets latches etc should good condition worn vibration good lubricant rubber plastic parts VaselineTM petroleum jelly years ago friend repaired automatic transmissions told contained rubber parts petroleum jelly lubricated well causing swelling other lubricants might 2 Servo Tray Check stress cracks broken glue joints wooden trays Twist push/pull gently check solid tray ensure well-mounted frame 3 Pushrods Check ball-links wear overall snug fit Replace needed Balls links can wear very easily get dirty have fuel being near engine/exhaust Disconnect pushrods servos push/pull hand check slop binding Ensure pushrods straight 4 Bearings Although should have given bearings coat oil helicopter put up winter oil pack bearing grease needed 5 Landing Gear/Skids Check secure straight made metal may need bent back proper position have helicopter straight level sits ground 6 Frame Check see nuts bolts secure Check vibration stress cracks around engine skid mounts Replace parts required 7 Head Although necessary its good idea remove rotor blades head has since thrust bearings have greased now would time will also enable check head closely inspect bent links pushrods flybar Check balance head/flybar using High Point Du-Bro balancer main blades should receive special attention dangerous part helicopter fail hang helicopters small hook attached ceiling have rotor blade depart helicopter its first flights after long storage Since flying helicopter entire previous year no problems can guess dry heat near ceiling during winter dried out wooden blades root reinforcements causing weaken certainly dont like discarding questionable set rotor blades alternative losing entire helicopter endangering everyone else field believe rotor blades suitable condition another season flying give close inspection Are tips good condition have scraped near-tipover Are still straight true warps Check blade reinforcement root signs fatigue enlarged mounting hole using wooden blades doubt about condition remove covering inspect wood itself covering can hide potentiai problems 8 Tailboom using wire-driven tail rotor relubricate drive wire rotor belt-driven check belt signs wear adjust tension 9 Tail Rotor Gearbox gearboxes should disassembled inspected relubricated especially careful check security tail rotor associated linkages great deal stress high rpm causing bolts loosen 10 Set Screws Now sure everything lubricated binding re-Loctite set screws Sure tight put helicopter up winter safety checka little checking may save accident loss helicopter Look plans helicopter make sure remember set screws located disassemble required get technique remove set screw clean hole screw well possible put drop removable type LoctiteTM hole another drop set screw screw place little extra LoctiteTM hole will fill small air gaps securing everything place have used technique years have virtually eliminated set screws coming loose Try 11 Fuel Tank should have stored helicopter fuel remaining tank did now time remove clean tank Check fuel lines inside outside tank holes splits will cause engine run erratically clunk weight should secure its tubing free moveespecially plan fly inverted Radio Cycling transmitter receiver batteries after storage good way check cells ability hold full charge April1999 115 Rotor head blades need extra attention during checkupthey Receiver battery pack should well-protected dense carry high loads Regrease bearings check blades wear foam Note pushrods modern push/pull systems Check connectors wires closely breaks frays etc Look particularly close wires go connectors wires have pulled possible become dislodged No matter securely wires routed check ensure has rubbing something Check servo mounting screws should snug tight take away vibration protection Check foam rubber protects receiver battery etc replace needed may want consider getting Strongbox LDM Industries offers excellent crash protection receiver airborne batteries Servo aims also take quite stress load make sure arent cracked have enlarged holes Replace needed also like disconnect servo aims servo inspect shaft output splines Check antenna free cracks rubs etc Any minor problems wire covering can corrected placing small piece heatshrink tubing over bad spot Accidentally tugging antenna could also have weakened wire solder connection receiver circuit board may want take receiver case apart check circuit board everything looks good can give entire system range check going tofly route receiver antenna different manner remove canopy some other piece helicopter because may getting accurate range check Compare range check distance getting last season make sure its minimum recommended manufacturer radio does pass check start engine radio going get better itself Have qualified technician check out Gyro Check wiring connectors Also check proper servo movement radio turned flying As helicopter nose moved gently right left gyro should giving smooth commands tail rotor servo have mechanical gyro versus solid state piezo-type gyro operating erratically take gyro case apart check see springs proper position weighted wheels spin freely electronic pickup clean small drop lightweight oil bearings may also helpful Engine Muffler Take off carburetor glow plug Disassemble carburetor much possible check foreign matter dried fuel oil etc Clean solvent relubricate engine has caked-on black oil residue can brought back near-new condition cleaning Z-Best engine cleaner carefulits quite corrosive paint tabletops etc things may want check particular helicopter should get right track may secm rather time-consuming once get started should take long entire helicopter unless find some other problems n also make Ultra Thrust Mufflers Other Engines Call application Complete Engine Muffler Combos Available Call Prices Availability Send $300 1998 Catalog Dealer Inquines Welcome PERFORMANCE SPECIALTIES P 0 Box 3146 nerville NV 89410 e 702-265-7523 702-265-7522 E mail perfspec@aci net Take look chart below An Ultra Thrust Muffler will add power hassle tuned pipes No Hangers No Couplers No Problems Dont limit performance fun Ultra Thrust Muffler Stock Muffler OS32FX15500 OS4OFX13700 OS46FX14400 OS46SF14000 0S61 FX11700 0S61 SF-P12400 ST GS 4013600 ST GS 45 ABC14600 STG61ABC11600 TT Pro 4614000 TT Pro 6111400 Webra 40 GT13800 Webra 50 OT14600 Os 32 Fe tested APC 9/6 Prop 40 througt 55 engines tested APC lOft Prop 61 engines APC 11/7 prop 15% Nitro Fiel results may nary local cooditloos 116 Model Aviation muffler can problematic ball links pushrods nearby Drug-in landings abuse tail rotor fin Dismantle check gears Check main gear bearing wear Check landing gear cracks wear lubricate everything high-quality grease 4