DaveG55 - I'm sorry if I insulted you. I just can't figure out why some people know they arn't supposed to leave the throttle pinned but still do. I got into the habit of killing the throttle if I was going to hit something because I didn't want to break blades as my LHS isn't so local.

ndoren - I think the vortex units are open backed to expose the boards, meaning they wouldn't heat up as much as e-flights. Everybody figures the drift is caused by heat so....