The concept arena was suspended a while back. It was nicknamed CT. Rumor has it Hitech was using it to phase out human players. Sadly enough, the insider who broke the story mysteriously disappeared.
I think it would be great to have an arena for the crazy concept aircraft of ww2, such as the ones found here http://www.luft46.com/.
Go ahead and try to find good, or any, flight test data for such aircraft. Go on, try.
well there are projected performances and with todays cmputers, we could come up with something
*Slaps forehead*