Originally Posted by Tin Man

Cool video `sniper!!! I wonder if Glyn has ever done a loop in a helicopter! Do tell Glyn! I couldn`t even imagine doing a loop in a helicopter, I would be a reluctant passenger! Aww, what the hell, I would probably get in anyway!

I must say, the best helicopter displays I have ever seen have been from the CH-47 Chinook, the RAF put on some of the most memorable displays I have ever seen over here. YouTube - RAF Chinook Display Team

Now for my question...
It is kind of aviation related, so here goes..

What is the fastest man made powered vehicle ever?