I'm using standard MAS props for all of these. I don't have a tach, so I don't know specific numbers. I'm just going off how the plane flies. Again, I'm not going for speed, I just want to do sport flying with sport aerobatics (just fun stuff...oops, etc.).
The plane in question is a Stick style homebuilt with a 40 inch span and weighs 3.75lbs ready to fly.
This is the 3rd plane that I have built off these plans, and all have been identical planes and have flown well with the 25LA on a 9x7 prop. I've got a 4th one almost finished that I'm going to put an MDS 40 with a 10x6 on it.
I lost the 1st due to a bad switch, and the 2nd my friend totalled (he's not allowed to fly my planes anymore

). It's based on the SpadStick from
http://spadtothebone, but built with ordinary hobby foamboard from Hobby Lobby to keep it lighter for the 25 engine.
This all started because my LHS was out of 9x7 props...