Thirty-five years ago, Frank Christensen started a revolution. He introduced his kit for the Eagle aerobatic biplane at the 1977 EAA Fly-In, and with that, he changed the image of homebuilding.
Thirty-five years ago, Frank Christensen started a revolution. He introduced his kit for the Eagle aerobatic biplane at the 1977 EAA Fly-In, and with that, he changed the image of homebuilding.