I assembled the Senior at the beginning of the summer and put an OS 61 FSR-ABC in it that I have had for 28 years. I used a 12x5 APC prop. It flies great, has good power but not over powered. With 12x5 it slows down nicely for landing but I can easily do large loops with a straight and level entry. Even with a 1300mah NiCd move all of the way forward, I still had to add a couple of onces of weight to the nose. I also replaced the nose gear with a Fultz nose gear because the original gear was too weak when side loads were applied (cross wind landings).

One thing to watch out for is some Senior ARFs have had a problem with the wings folding in flight. You should check the wings at the root after each flight for any sign of separation. I have had no problem so far.

Over all I would say it is a big, lazy, nice flying airplane with a low pilot stress factor and high fun factor.

Bruce