Recently went round donnington park in my mates dads Radical S3! absolutly awsome car, if you can call it a car! he says it is possible to have them on the road but i havent seen any. I honestly thought my scooby,cossie,mr2 turbo were fast until i went in that. Best way to describe it is (when you watch formula1 with the onboard cameras) well its just like that but in real life! Its seems like it was perfectly geared for the track because as soon as its in top gear the revs max out then bang on the brakes into the bend off the main straight. Also couldnt believe who fast these things go round corners and his dad told him to take it steady beause its his 60K motor. Anyone else been in one? or the smaller engined 1 seater version?

 

Yeah, I went in an 20 Valve Turbo VW/Audi engined XTR4 - awesome!

 

I used to have some footage of one going round the nurburgring in under 7 mins,crazy things .Id love one.

 

I've got one of these

Very similar