vidmarv Senior Heliman Location: ft walton beach, FL
| Chasing tail problems myselfObviously, the belt is something to look at. With the problem not starting until a couple of minutes into the flight, it might be too many twist in the tail belt. This was suggested to me, but was not my problem.
Check for binding linkage from the tail servo to the tail. I had a minor issue with the guide and ended up not using it. I modified the tail servo linkage to a CF tube and then just eventually shifted the tail servo out on the boom to the tail (shifting CG for an AP ship).
I am presently believing that I may have binding issues on the slider linkage at the tail itself. It doesn't catch every time, but like you, after a few minutes of flying I loose tail authority. My speculation is, just that little bit of flying is enough to up the temperature on the tail assembly creating a binding condition. I land, let it cool down and it doesn't show up.
As suggested by some in this group, I am in the process of disassembling the entire tail and going over it with steel wool to smooth everything out.
I am relatively new to heli's as well, but have noticed that new parts seem a bit "tight" sometimes and can create performance problems like this. I'm trying to learn to find the balance between smoothing out new parts and wearing them out.
Anyway, it sounds like you've already done better than me reacting to this condition (taco city with a 450) and hope you have luck working through it. I am sure they'll be some more suggestions as the people in this group have been a great help with other issues I've had. Good luck and good flying.
VM
PS- Re-reading your post. Most of my electronic problems manifest themselves in an "all or nothing" kind of problem, which is to say, if your gyro or servo had a problem, it would probably make the heli simply spin. Any one else notice this in electric issues? Typically, things just "stop working".
Perfectly sliced air every time! |