Success at last. Cut off the nose 1/2 inch and put the new motor on. Taped on the receiver and headed for the field this morning. Not knowing how fast it was going to be, launced at about 3/4 throttle. Immediately saw it could use more and advanced to full throttle. Was getting a little over 4 second laps on 40 foot lines, and it was very solid. Not sensitive at all. Did loops, inverted, inverted loops, and squares with no problem. Throttled it back to idle, and not much of a glide. Unfortuately flipped over on landing and broke the tail off. I'm going to make a new set of gear that are a little longer and sit further forward for the grass. Otherwise, I am very satisfied. My flying partner said it appeared to fly very well, but sure looks different in the air.