I just purchase a Goldberg Protégé kit to get back into flying. It has been 20 years since I last flew. My first plane was a Sig Kadet Mk II, which crashed (after many flights) in the hands of an instructor. It was either radio interference, or something came loose. I then built and taught myself to fly on a Butterfly and graduated to an Ugly Stick. I then grew up and didn't have the time or money to keep it up.

Now that I'm on my second career and have more of both, I got that RC itch again. I wanted something large that would be more than a basic trainer and after reading about this plane, feel comfortable with my choice. I want to be able to teach my wife and kids to fly on this and still be able to have a little fun.

The plane calls for up to an .80 four stroke. I can't seem to find an .80 size engine, and have already picked out my next plane, so I'm looking at the OS FS-91 II. Are there any areas that should be beefed up because I plan to use this engine size? Should I be looking at a different engine? 20 years ago, OS made a really nice engine.

One thing I always hated was the oil getting all over the plane. With this engine (or any other), can the exhaust be kept away from the wing? Will rotating the engine help? Change the muffler? Anything?

I see that the ARF version has a 2-piece wing, but the kit directions available on http://www.carlgoldbergproducts.com/protege.htm show only a 1 piece. I've built gliders with 2 piece wings. Because the Protégé has much more power, I was wondering if anyone else has done this and if they could give me the details.