Build it safe

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Seat belt anchors.
 
Seat belt anchors.
 
Frame members are best, but if it goes through sheet metal, use at least a 3 inch grade 8 washer. Use grade 8 bolts and nuts. Never use the seat anchors, and don't use them for comparison.  You weight much more than the seat, so the belt anchors must be 4 or 5 times stronger than the seat anchors.
 
Frame members are best, but if it goes through sheet metal, use at least a 3 inch grade 8 washer. Use grade 8 bolts and nuts. Never use the seat anchors, and don't use them for comparison.  You weight much more than the seat, so the belt anchors must be 4 or 5 times stronger than the seat anchors.
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Torque specs.
 +
They exist for virtually every bolt. Use em. Too light and they may come loose. Too heavy and it may stretch the threads and break later.  Very common on over torqued wheel studs.

Revision as of 19:30, 15 October 2008

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