Imadot,
Adding a tube to the trim lever would be a good experiment, worse thing that could happen is it wouldn't hold secure enough..
Secondly, if your last flight was like a yo-yo, it's not the throttle trim, once you set it to full down, mid point or full trim, it doesn't vary.
Your yoyo effect is being caused by something else, either electrical or mechanical. A main motor could be going bad, or a servo going bad. Hard landings can cause the internal gears to wear/split/crack or break off..
Rotor head assembly could be sticking, or to much play in the grips and rotor hub
Dave / Choppersrule
ORIGINAL: imadot
An off the wall thought on heli throttle adjustment for hovering and motor kill. The problem is a need for a more accessable throttle trim adjustment. What about a thin carbon tube cut 1/2"and glued or epoxy to the trim slider so that you can bump it up or down with just the tip of your fingers. Throttle trim is such an critical element to smooth flying. My last flight was a yoyo affair.
thanks