[s-cars] Re: Follow up on Spacers

[johkar at teleport.com]

Guys:

I can get them also and I do accept paypal.



Original Message:
-----------------
From: alan pritchard alanthecelt at alanthecelt.screaming.net
Date: Wed, 22 May 2002 21:44:45 +0100
To: ccohen5 at compuserve.com, urq at audifans.com, s-car-list at audifans.com, quattro at audifans.com
Subject: [s-cars] Re: Follow up on Spacers


A good rule of thumb is 1.5x bolt diameter into the female thread minimum,
ie 10mm bolt should be threaded into the hub. after all there is no
additional strength to be gained if the thread contact area is greater than
the cross sectional area of the bolt.
----- Original Message -----
From: "ccohen5" <ccohen5 at compuserve.com>
To: <urq at audifans.com>; "Audi S Car List" <s-car-list at audifans.com>; "qlist"
<quattro at audifans.com>
Sent: Wednesday, May 22, 2002 1:12 AM
Subject: Follow up on Spacers


> Thanks to everyone who responded to my request for info on what and where
to
> find these.  Seems that 5mm H&R is the preferred product and
> http://www.ecstuning.com/ seem to be the only place supplying over the web
> although 2 Bennett and others will supply based on a phone order.
>
> 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.
>
> A friend of mine drove a '70 Mini for three years with only 3 of its 4
bolts
> on the front LH wheel, and one of those was finger tight.  Said he never
> noticed a thing!  So in all probability this connection point is over
> engineered!
>
> Colin
>

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