RE: Hangar 9 40 Size Piper Pawnee!!!
I had (have) and Evo .61 in mine. I mounted mine sideways - no problems. It flew great, especially for basic aerobatics. I also had a Magnum .804S to start, but the engine and I had issues, that's why I went to the .61 2S. I know other folks out there have flown their's with the .46, but I wanted to have a little extra just in case. Mine flew great at 1/2 throttle, but always nice to have that extra. Once I get in the mood to rebuild the front end after my crash, I will be installing an HB .612S.