1934A

I don't have any firsthand experience with Rans, but I've always liked the looks of their kits. The S21 looks like it would be a fun, affordable...

13 or 16 rib?

I'd tell the guy if he wants all that done, he can pay to have it done after he buys the plane. Theres a pretty good chance that he'd back out of...

Hard to beat the high end European glass, Swarovski, Leica, etc., as far as quality, but might be a bit spendy to be bouncing around in the plane. ...

I'm with Bob and MTV on this one. Find a 90hp supet cub or PA-11 and teach them how to fly the wing on a low-powered, flapless cub. It's too eady...

But if you run standard O320 pistons at 7:1, wouldnt that make 150hp since bore and stroke are the same as an actual O320? I'm just curious because...

Thank you for the feedback everybody. Sounds like they do good work, I'll get mine sent off as soon as i can.

I always thought that an O290 bored out to accept O320 cylinders would be an honest 150hp engine...bore and stroke are the same as an actual O320.......

I dont think there is an STC, experimental build only.

And here I was, thinking my wife was making fun of me when she says that I dance like a robot. I should have known that it was actually a compliment!

Yep, plenty of meat. Look at a O-290 case and see how much 'extra' material there is compared to a O-320. Almost like Lycoming designed it with the...

If your 0-290 case, crank, and accessories are good, why not just bore the case to accept 0-320 cylinders? Seems like that would be the most...

This guy has parts for sale. https://touch.bismanonline.com/miscellaneous_parts_for_a_lycoming_290_engine_and