its ok theres a question :
Q: what stops this from flpping under the car or snapping wheel bolts if you hit a pothole or suck like? 03-Dec-11
A: Hi The blade linkage is designed such that the blade self levels to the road surface, compensating for camber gradient, suspension movement etc. The blade has an angled leading guide that allows it to ride up over "normal sized" bumps and pot holes. Obviously though, there is a limit to the size of obstacle that can be accomodated, so to deal with this possibility the lower portion of the arm disconnects from the upper porsion when over loaded. The upper part of the arm remains securly attached to the hub. The lower part (includig the blade) remain on the ground and can safely be driven over without damage (to blade or vehicle) - this is roughly equivalent to driving up a low kerb. The load at which this occurs is over 100 times lower than the load at which any damage to wheel bolts could occur - specifically to ensure that there is no possibility of damage to them. Best regards Torquil
what worrys me is that hes called torquil! the guy even sounds like a c*nt! tsssssssk these pll should be shot for ripping hard working folk off!