1500HP @ 85,000RPM web page = http://www.swissrocketman.com/ete05.html Small vid of it, right click save as---> http://www.swissrocketman.com/films/kart%20turbine%20explo.wmv
Ya shifter carts are pretty fun, make about 35-45hp. My snowmobile motor puts out 139.5 on a dyno. Hense the snowmobile engine would make an intense go-kart.
i'm not totally sure but would it be thrust? it says the power is transfered to the wheels through a reducer.