Wittman Buttercup, on wheel skis. The owner uses it to fly north and go ice fishing. Our resident aerodynamicist was intrigued by its unusual wingtips.
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Dan’s World
Columnist Dan Checkoway appreciates the flexibility of owning a homebuilt rather than a certified aircraft. On a recent condition inspection of his RV-7, he detected small cracks in the front spar of the horizontal stabilizer. A week later he was working on replacing it, without any intervention from the FAA.