Recent content by OldSouthDuffer

I have not, thank you very much, for the recommendation.

I am using an inexpensive JJRC H8D quad copter as my basic trainer. I have one I have had for a little while and have a new one. It drifts forward even though I have controller trimmed as far back as possible. Besides moving the CG back with ballast of some variety, are there other techniques to...