One of the craziest French modelbuilder happened to be a test pilot and the father of a colleague of mine. Some of his most famous ones are : flying wheelbarrow, Perrier bottle, toilet door, lawn mower, witch on a broom, clothes iron, etc.
a biography with some pics
The late Igor Sikorski reportedly said, (quoting from memory) "anything can fly, with a powerful enough enigne".
As a father of the uglycopter, he knew what he was talking about
[Dons helmet and flak jacket]