Quote:
Originally posted by Razorback1980
I agree there will be a lot of inertia in an impact, but the stress will be in the bolts not the spacers. The white nylon spacers I used will not crush and the stress will be on the bolt not the blocks. I don't think using metal would be any different.
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I'm trying to imagine what the inertia would do in an impact.
I think plastic would shatter or crack - giving the 6 mm screws more free leverage to fail. Aluminium blocks would not do this. The screws would have to fail in sheer - harder to do under the same inertia.