RE: Help me choose engine for TF P-47 ARF
If you already own the .91 and 1.20 four strokes I would use the one that balances best. I own a Magnum .91 and it is a good engine but if the plane can be made to balance with the 1.20 without adding more tail weight, I would be inclined to go with the 1.20. Either of the four strokes will sound way better than the two stroke gasser and that would be important to me for that type of plane.