Quote:
Originally Posted by 350TSS
I do not think the suspension works much if at all after 45 degrees - any bump is a vertical deflection of the forks/frame because the fork sliders /rear shock would not slide
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Got some more aspirins handy? Perhaps unsurprisingly this situation is also covered in Tony Foale's book.
Hitting a bump at a 45° lean angle creates two equal forces; one in line with suspension movement and the other at right angles to it. These forces will each be 71% of the vertical bump force.
I don't want to clutter up your excellent thread with esoteric calculations and diagrams, so I've sent you a PM with some more extracts that you can read at your leisure. Just don't blame me if you get a headache!