I'm not sure if you had that thing wide open for more than 3 seconds at a clip. A good test run is probably going to be at least 30 seconds up a pitch to get any sort of good test on it.
lol was just a loaner sled for 5 mins of fun,and in sask catwalks r fun not so much in steep and deep but i was trying to catwalk,gotta say these xm r much better then any other doo have ever tried hats off too doo for stepping it up