Sandy I'm happy for you and your father to be starting this project. My uncle is a pilot and he used to take us flying as kids. Something I've always wanted to do in fact we were considering building an Express a few years ago and life kind of got in the way. Reading your post has re-ignited my interest in getting my license, in fact I've convinced my uncle who has been away from the sky in quite a bit of time to go out and get current. So thanks for sharing your story.
As for your aircraft,I'm considering purchasing a 150 and was wondering what is the cruising speed of the aircraft with the 150hp engine. I've done some reading on the conversion and get mixed reviews about the pros and cons. How much is the useful load on the aircraft?