Up until now I've chalked most of the odd behavior on the ground to the gear being all bent up, but that's fixed now (or should be..........). I did the ground test and it rolls pretty straight, although the problems I'm seeing on takeoff are with the tail up...........hard to ground-roll test the model with the tail up.

I suppose since there was a crosswind yesterday, it's possible that that's what caused the plane to yaw left on landing, and that it's just coincidence that this is the direction it tended to yaw before fixing the gear...........I'll have to wait til next week to try it some more.

Airborne, it's hard to say. Seems to track reasonably straight as far as coordination I guess, but it does require a fair amount of left aileron (perhaps due to something the novice builder did to the model). For good measure I also put in a few clicks of left rudder after flying around a bit to go along with this (this could be why it yawed left on landing but I'm more inclined to go with the crosswind theory). Jamming power in the air definitely pulls left...noticeable left yaw and slight left roll, as I expect, especially with the torque of a 4-stroke. Incidentally, I'm usually at full power throughout the takeoff roll, due to the location I'm flying at only having a short strip with tall
grass........can't really get by with slowly advancing throttle.

Thanks for the comments.

-Matt Bailey