Normal thruster sides are canted at 5-7 degrees, bonzer side runners are close to 20.Yeah, I meant canted. Don't remember the exact angle, but it was 10 or a bit more, not anywhere close to 20. I was looking at them today too... <img src="/forum/images/graemlins/doah.gif" alt="" /> Sides 107mm base, 118 long. Center has a 98mm base, and are 108 long.