nice job on the 25! I built one a few years ago (i think my build thread is in this forum) I bet if a guy had nothing but time, he could build one in a matter of a couple days. They are a dream to build and fly. I learned on mine. I originally bought a 25 for it, and it was enough power to fly it. The engine crapped out on me, so i bought a webra 40 for it. Was definately lots of power, but i could throttle back and just putt around. One thing i would have done differently would be beef up the landing gear mount and use nylon bolts. I had the gear depart the airplane a few times when i was learning to land.
Reading this thread has me wanting to build one again.