Well maybe I should take back what I've suggested. My only other experience was with a mechanical mixing helicopter that was a POS. I bought the CCPM on the advice of well experienced and trusted friend. since then I have been flying this exeptional wonder without regret.
Of course the prospect of upgrading to the CF frame with direct servo conncetions are brewing to a storm in my brain.
When I was setting up the CCPM interactions I noticed that it was difficult to get repeatable readings due to slop in the linkages - so indeed there is some.....
RickP