Re: Will recharge BOMBS for food

[Philip Rose <pjrose@servtech.com>]

>
>Date: Tue, 09 Mar 1999 16:17:46 GMT
>From: quk@isham-research.demon.co.uk (Phil Payne)
>Subject: Re: Will recharge BOMBS for food
>
>In message <36E539A7.393DB5E6@lmco.com> Russ Southerlin writes:
>
>> I believe the rule of thumb for accumulators is 1/2 the working/system
>> pressure.  At 1/2 the system pressure you will have the same volumn on
>> both sides of the diaphram.
>
>> When I just recharged mine to 1000psi I had exactly 30 pedal pumps
>> before I lost assist - indicating a 100% volumn in the bomb.
>
>I wonder what Audi (Lemforder) use.  I get 39.
>
>- --
> Phil Payne
> Phone: 0385 302803   Fax: 01536 723021
> (The contents of this post will _NOT_ appear in the UK Newsletter.)

Won't this test result be somewhat dependent on subtle details of each
hydraulic system (piston displacement/travel, brakeline expansion, etc.)?
The "brand new" (whatever _that_ means) bomb that I installed on my '91
200q a couple of months ago gave somewhere between 30-35, as I recall.

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