I took the plane to field this weekend and several of the experienced fliers could not figure out why it was taking so much also. One suggested that I had put a real engine on the plane or the engine was built when good metal was in the engines and the engine could be heavier than the ones built today.!!!!! Either way I can't explain the plane being so tail heavy. By the way, did the plane fly like a trainer or was it more agile? Still need help.