[s-cars] Re: Follow up on Spacers

[Duncan Thomson]

>An important thing that no one mentioned but I picked it up from ecs, is
>that the bolt length needs to be able to accommodate the spacer.  I think
>5mm will not impact the integrity of the bolt, but I am going to check.
>There is a formula in aerospace that says at least half the length of the
>bolt should be in threaded contact with the female part of the fastener
>without requiring special materials to compensate for high stress torque.

yes, be careful with this, my CGT had a spacer on one wheel (had a
non-standard hub on one corner) and when I got new tyres, the monkeyboys
didn't notice the spacer had stuck to the wheel...
the wheel ended up going onto a different corner (right rear)... then about
100 metres down the road, my nice sticky RE71s tore the threads out of the
rear drum...

Tyre took off down the road, with me chasing on foot, and put a sizeable
dent in someones door at the next set of lights...

I ended up using helicoils to patch up the mess, they've worked fine
since... I ditched the spacer, as it didn't appear to be needed as nothing
was rubbing anyway...

 From memory I'd say it was about a 5mm spacer, so just be extra careful...
luckily mine came off doing about 40 km/h so apart from a bit of a flat
spot on the drum where it slid until I stopped, there was no major damage...

HTH
Duncan