The Kitfox has been auctioned off once I know of. It had a winning bidder. A few days later it came back up again for action.
What are you going to do with an R1 engine in an airplane?
Not while lugging that gearbox around with you.
The planetary one?
The motorcycle one.
$17,500.00 for a 20 yr old gyrocopter kit? GLWT.