Tips

There are few things on the internet as well documented and with so many "tip" pages as RC helicopters, but there are still things insufficiently documented.


If you're lucky you can solve the problem on the field. But better read my tips to avoid the need for this in the first place!


Engine related issues

Problems with blocking clutch, rusting engines etc.
Opening the engine
Fastening the fan
Loosening the fan
Improving engine cooling
Placing engine air filter
High frequency vibration problems & Alignment
Decarbonizing engine parts and exhaust pipe
Cracking of the Hatori #334 header pipe
Adjusting the rpm
Tuning a tuned pipe and problems with Hatori 540 + 8.5 gear ratio
Installing clutch liner
Sneezing engine (slipping autorotation bearing)
Installing Uniflow


Main gear/blade related

Putting the snap ring around the main drive gear
How to balance blades and flybar
How important is balancing your blades?
Making a precision balancer for blade balancing
Blades going suddenly out of track
Main shaft vertical play and wear of lockring.
Low frequency wobble
Slipping autorotation bearing
Flybar control rod binding
Mechanical phasing correction
How to keep the flybar straight when installed
Correction for stock flybar mounting which causing bending


General issues

Gyro position
Servo jitter and noise
Loosening ball links
Don't buy the std glowplug kit, look here
Remove play between screw & collar, tail boom rod guides and tail rotor
Taping servocords properly
Using loctite everywhere
Several tail rotor problems
Painting the canopy
Reinforcing the tail spring pin
Cleaning bearings
Tail binding problem
Wiring installation
Length-wise balancing of entire heli (solving nose/tail heavyness)
Battery charging
Radio exponential behaviour (estimated mathematical function)
Make a cyclic travel limiter
Non-circular travel limiter for use with exponential


©W.Pasman, 23/11/03