Can a builder modify a Vans RV-12 kit under the 51% rule? How about changing the gross weight of a RANS S-7? Plus, the FAA releases revised homebuilding rules.
Building a 55%-scale, amphibious twin-engine flying boat seems like an ambitious project, and it is. But this former WW-II B-25 commander with four homebuilt aircraft already under his belt tackled it anyway. By Rick Lindstrom.