RADIO CONTROL HELICOPTERS U n-I-I SPRING HELICOPTER SAFETY worst winter should behind us now would good time inspect helicopters ready upcoming flying season ensure nothing missed recommend beginning inspection nose generic list particular model will dictate criteria use degree make inspection Modify list needed Starting nose. Canopy Remove look cracks splits its type has glued together pay special attention seams mounting rubber grommets latches such should good condition worn previous vibration Servo Tray Examine cracks metal trays broken glue joints wooden ones Twist push-pull gently test solid tray ensure well-mounted frame Pushrods Inspect ball-links wear overall snug fit Both balls links can wear very easily get dirty have fuel being near engine/exhaust Disconnect pushrods servos push/pull hand test slop binding Make sure pushrods straight Bearings Although should have given bearings coat oil helicopter put up winter oil pack bearing grease needed Landing Gear/Skids should secure straight metal may need bent back proper position helicopter sits straight level Frame Secure nuts bolts Look vibration stress cracks around engine skid mounts Head Although its imperative good idea remove rotor blades head has since thrust bearings have greased now would time also enables see head closely look bent links pushrods flybar can use High Point Du-Bro balancer verify balance head/flybar main blades should receive special attention dangerous part helicopter should fail hang helicopters small hook attached ceiling have rotor blade depart helicopter its first flights new year Since no problems flying helicopter previous year 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 anyway Are tips good condition have scraped near-tipover Are still straight true warps Examine blade reinforcement root signs fatigue enlarged mounting hole using wooden blades doubt about condition remove covering inspect wood itselfthe covering can hide potential problems Tailboom using wire-driven tail rotor relubricate drive wire belt-driven try belt signs wear adjust tension Tail Rotor Gearbox gearboxes should disassembled inspected relubricated especially careful inspect security tail rotor associated linkages stress high rpm causes bolts loosen Set Screws After ensuring everything lubricated binding re-Loctite set screws Sure tight put helicopter up winter remember safety check just little checking may prevent accident loss helicopter Look plans helicopter will remember set screws located disassemble required get technique remove set screw clean both hole screw well possible Using removable type Loctite place drop hole another drop set screw screw place extra Loctite placed hole will fill small air gaps securing everything place have used technique years have virtually eliminated set screws coming loose Try Fuel Tank should have stored helicopter fuel remaining tank did now time remove old fuel clean tank Study fuel lines outside tank holes splits will cause engine run erratically clunk weight should secure its tubing free move especially youre planning inverted flight Radio Cycling both transmitter receiver batteries after storage good way monitor cells ability hold full charge Closely examine connectors wires breaks frays like Pay close attention wires go connectors have pulled possible wire become dislodged connector rubber servo grommets should secure between servo tray tight take away vibration protection Also check foam rubber protects such items receiver battery may also want consider getting Strongbox LDM Industries offers excellent crash protection both receiver airborne batteries Servo arms also take quite stress load summer flying make sure aren t cracked have enlarged holes also like disconnect servo arms inspect shaft output splines April 1994 89 Hippy Cirelli X-Cell Kalt dealer Hobbies Unlimited Hippy explains some fine points Schluter Scout 60 II robbelSchluter service center Burleson TX Tennis Cornum prepare winter inspection INTPflflhIflIMfl 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 RIG engine thread sizes 5 sizes PROP HUBS ranging 1 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 RIG engine market have adapter problem. help phone call away. See hobby dealer call us direct. upjtf TM Rd Made U S PRECISION MODEL PRODUCTS Romco Manufacturing Inc OUALITY VERSA TILITY T LOOKS TY PO Box 836 South Houston Texas 77587 713/ 943-1867 antenna should free wear such cracks rubs Any minor problems wire covering can corrected placing small piece heatshrinkable tubing over bad spot Accidentally tugging antenna could also have weakened wire solder connection receiver circuit board may want take receiver case apart examine circuit board everything looks good can get give entire system range check going fly route receiver antenna different manner remove canopy some other piece helicopter may get accurate reading Compare range check distance getting last season confirm its minimum recommended manufacturer radio does pass check start enginethe radio going get better itself Have qualified technician check out Gyro Look wiring connectors Also test proper servo movement radio turned flying As helicopters nose moved gently right left gyro should giving smooth commands tail-rotor servo something doesnt look right take gyro case apart make sure springs proper positions 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 look foreign matter dried fuel oil forth Clean solvent relubricate engine has caked-on black oil residue can brought back nearnew condition cleaning Z-Best engine cleaner careful because its quite corrosive paint materials such tabletops Im sure tests can perform suit particular helicopter should get right track inspection may seem pretty time-consuming once get started should take long unless find some other problems Rossi RE Exhaust Adaptor Ron Pound 9021 Greencastle Rd Terre Haute IN 47805 read previous article asked help locating header mounting clamp rearexhaust Rossi engine Well Ron nice enough send makes works great Its machined fit neatly around neck exhaust tapped accept mounting flange either muffler header concern adaptor made two halves Ron taps mounting holes right middle breakbut works fine So out would like try rear-exhaust five-port Rossi Tennis watches new Schiuter Moskito being examined Ron making header missing tail rotor workbench inspection clamp know about odel Aviation
Edition: Model Aviation - 1994/04
Page Numbers: 89, 90
RADIO CONTROL HELICOPTERS U n-I-I SPRING HELICOPTER SAFETY worst winter should behind us now would good time inspect helicopters ready upcoming flying season ensure nothing missed recommend beginning inspection nose generic list particular model will dictate criteria use degree make inspection Modify list needed Starting nose. Canopy Remove look cracks splits its type has glued together pay special attention seams mounting rubber grommets latches such should good condition worn previous vibration Servo Tray Examine cracks metal trays broken glue joints wooden ones Twist push-pull gently test solid tray ensure well-mounted frame Pushrods Inspect ball-links wear overall snug fit Both balls links can wear very easily get dirty have fuel being near engine/exhaust Disconnect pushrods servos push/pull hand test slop binding Make sure pushrods straight Bearings Although should have given bearings coat oil helicopter put up winter oil pack bearing grease needed Landing Gear/Skids should secure straight metal may need bent back proper position helicopter sits straight level Frame Secure nuts bolts Look vibration stress cracks around engine skid mounts Head Although its imperative good idea remove rotor blades head has since thrust bearings have greased now would time also enables see head closely look bent links pushrods flybar can use High Point Du-Bro balancer verify balance head/flybar main blades should receive special attention dangerous part helicopter should fail hang helicopters small hook attached ceiling have rotor blade depart helicopter its first flights new year Since no problems flying helicopter previous year 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 anyway Are tips good condition have scraped near-tipover Are still straight true warps Examine blade reinforcement root signs fatigue enlarged mounting hole using wooden blades doubt about condition remove covering inspect wood itselfthe covering can hide potential problems Tailboom using wire-driven tail rotor relubricate drive wire belt-driven try belt signs wear adjust tension Tail Rotor Gearbox gearboxes should disassembled inspected relubricated especially careful inspect security tail rotor associated linkages stress high rpm causes bolts loosen Set Screws After ensuring everything lubricated binding re-Loctite set screws Sure tight put helicopter up winter remember safety check just little checking may prevent accident loss helicopter Look plans helicopter will remember set screws located disassemble required get technique remove set screw clean both hole screw well possible Using removable type Loctite place drop hole another drop set screw screw place extra Loctite placed hole will fill small air gaps securing everything place have used technique years have virtually eliminated set screws coming loose Try Fuel Tank should have stored helicopter fuel remaining tank did now time remove old fuel clean tank Study fuel lines outside tank holes splits will cause engine run erratically clunk weight should secure its tubing free move especially youre planning inverted flight Radio Cycling both transmitter receiver batteries after storage good way monitor cells ability hold full charge Closely examine connectors wires breaks frays like Pay close attention wires go connectors have pulled possible wire become dislodged connector rubber servo grommets should secure between servo tray tight take away vibration protection Also check foam rubber protects such items receiver battery may also want consider getting Strongbox LDM Industries offers excellent crash protection both receiver airborne batteries Servo arms also take quite stress load summer flying make sure aren t cracked have enlarged holes also like disconnect servo arms inspect shaft output splines April 1994 89 Hippy Cirelli X-Cell Kalt dealer Hobbies Unlimited Hippy explains some fine points Schluter Scout 60 II robbelSchluter service center Burleson TX Tennis Cornum prepare winter inspection INTPflflhIflIMfl 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 RIG engine thread sizes 5 sizes PROP HUBS ranging 1 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 RIG engine market have adapter problem. help phone call away. See hobby dealer call us direct. upjtf TM Rd Made U S PRECISION MODEL PRODUCTS Romco Manufacturing Inc OUALITY VERSA TILITY T LOOKS TY PO Box 836 South Houston Texas 77587 713/ 943-1867 antenna should free wear such cracks rubs Any minor problems wire covering can corrected placing small piece heatshrinkable tubing over bad spot Accidentally tugging antenna could also have weakened wire solder connection receiver circuit board may want take receiver case apart examine circuit board everything looks good can get give entire system range check going fly route receiver antenna different manner remove canopy some other piece helicopter may get accurate reading Compare range check distance getting last season confirm its minimum recommended manufacturer radio does pass check start enginethe radio going get better itself Have qualified technician check out Gyro Look wiring connectors Also test proper servo movement radio turned flying As helicopters nose moved gently right left gyro should giving smooth commands tail-rotor servo something doesnt look right take gyro case apart make sure springs proper positions 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 look foreign matter dried fuel oil forth Clean solvent relubricate engine has caked-on black oil residue can brought back nearnew condition cleaning Z-Best engine cleaner careful because its quite corrosive paint materials such tabletops Im sure tests can perform suit particular helicopter should get right track inspection may seem pretty time-consuming once get started should take long unless find some other problems Rossi RE Exhaust Adaptor Ron Pound 9021 Greencastle Rd Terre Haute IN 47805 read previous article asked help locating header mounting clamp rearexhaust Rossi engine Well Ron nice enough send makes works great Its machined fit neatly around neck exhaust tapped accept mounting flange either muffler header concern adaptor made two halves Ron taps mounting holes right middle breakbut works fine So out would like try rear-exhaust five-port Rossi Tennis watches new Schiuter Moskito being examined Ron making header missing tail rotor workbench inspection clamp know about odel Aviation