obviously thats down to the event organiser to either make sure there arena can cope, or to say no its too dangerous im happy driving it around against none flipper heavyweights though, until my new heavyweight is finished.

Ed- Ive got those jet engine designs you wanted in my car. you should be able to machine most of the parts at work, but youll need someone to roll the titanium or stainless for the exhaust to a decent quality and the pettle valve will need spark eroding or lazer cutting.