On Dec 31, 11:08*am, "John" wrote:
I tend to agree with the other posters, either the paper is taking up too
much of the impact or they are not shear pins but bolts which are not
desinged to break when too much stress is applied.

When you ran over the brick, did the same thing occur? *If so I doubt a
brick will absorb much of an impact so then the sheer pins are really bolts.
--

John

lol
the guy that ran over the brick is not the op.

Mark