Originally Posted by
Krystal n chips
The Westland Wendover would appear to meet the criteria....never heard of it until fairly recently, so looked it up. ...of the first two words that sprung to mind, only me can be repeated.
I knew of the aircraft but I'd never heard that name for it.
How about the Percival P.74 helicopter? The only helicopter Percival built, and it refused point-blank to even lift off the ground, let alone fly.