Yug
rrMaster
Location: UK. Herts
My Posts This: Topic Forum | Ken, yeap, I have 9252's as well, driving all QuickUK stuff.
I noticed that my lefthand servo seemed to always lead the righthand servo, doesn't matter which direction. The right hand was always late.
In another thread, Jkos has done a whole load of experiments concerning latency on various transmitters/receivers. His answer to my problem was that the 9C has the worst latency out of the lot. The latency is between higher and lower channels. This means that as you increase (or decrease) the collective, each of then 3 servos don't move at precisely the same time although after the change in pitch, they do all come to rest correctly. I proved this myself using a lazer mounted on the swash, and indeed once the beam has travelled 12 foot, It magnifies any irregularities and the "dancing swash" can clearly be seen. I can't yet afford a 14MZ, but this is the fastest system you can get, latencys are 20ms ish while the C9 is 120ms !
I have found that with fast pitch changes, I have to make cyclic corrections to compensate for this dancing.
Next year, I plan to build the 600e and use KO2123s on the swash as well as the 14MZ |
