They do it in auto racing it's called IROC. The full size One Design was a concept that never made it because people are individuals that want to change this or that, or don't like this color scheme. It was intended to remove the halo factor. I don't think that any of the One Designs that were built are exactly the same. Years ago Barron Hilton of Hilton hotels sponsored a contest with 3 identical Pitts' invitation only pilot names were kept from the judges. The hope was to get some TV exposure, but it didn't last either. Tom