I have a goldberg matrix 40 and so far after 5 flights I've only had one uneventful flight! First one I ripped the landing gear out, no problem, my fault. Second flight I fluttered the ailerons and stripped two servos out. fixed that with metal gear digital servos and propped it down to a 13x4w prop down from a 12x6. Third flight was good until I pulled up from being inverted and the plane violently snapped to the right. I actually lost site of it in a corn field but somehow managed to stay steady on the controls and it popped up from the corn unscathed! Lucky, very lucky. Final flight I did nothing but take it up and evaluate the stall characteristics. Decrease power and pull up and it drops the right tip. Go faster and pull back hard and it really drops the right tip. Yet when landing it absolutely floats in like a trainer. What gives. I didn't check the lateral balance and I didn't yet check for washout in the wings. I know how to balance laterally, but how much washout should I be seeing from root to tip?
Here's a little history about me as I'm thinking maybe this plane is a step ahead of me. This is my first 3D capable plane. I'm coming from a Contender 40 that I've been flying on and off for about 10 years. It's little more than a trainer and I'm aware that the sweept LE of the MAtrix isn't as forgiving as the flat LE of the Contender. But after seeing videos of a Matrix go from level to popping up to a hover without stalling or snapping, it makes me think something is wrong with mine. If I go straight and level and yank the stick back (even on low rates) she'll snap to the right.
when this first happened I was doing an inverted harrier up high (not high enough judging from my recovery) and to finish it out and return to level I increased power (YS63, 13x4W prop) and pulled up to loop back to level when it snapped. It just seems that any angle of attack makes it snap happy, yet it will slow to a crawl on landing like a trainer. Doesn't seem right. What do you think?