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Re: Extra Techie: shock shaft velocities in Solo?

To: autox@autox.team.net
Subject: Re: Extra Techie: shock shaft velocities in Solo?
From: Sam Strano <strano@stranoparts.com>
Date: Wed, 16 Apr 2003 15:52:20 -0400
At 02:12 PM 4/16/03 -0400, GRMPer@aol.com wrote:
>Here's an extra technical question....Has anybody ever put data acquisition
>equipment on a Solo 2 car to figure out shock shaft velocity on a typical
>course?   1ft./sec....1m/sec....?
>
>The question comes up in regards to low speed or high speed bump damping and
>what actually helps.   My understanding is that the low speed stuff helps on
>turn in/roll control on corner entry, while higher speed damping is more
>related to damping over road irregularities/pavement changes/expansion
>joints.

Generally, 0-5 in/sec is what is in play when the car is rolling of 
pitching.  8 in/sec and more are things like bumps, potholes, railroad 
tracks, etc.  In between is well, in between, dips, rises and such.

We are much more interested in low-speed than high speed as far as setting 
up the response of the chassis.  From time to time the high speed end comes 
in (like on North Course in Topeka because it's so bumpy).  I'll also add 
that IMHO 99% of people who have bump adjustable shocks hurt themselves 
much more than they help.  Primarily they adjust mostly mid to high speed 
bump.  Most folks don't know that, or what it means.  Then they try and use 
the bump as spring rate all the time, which is not what it's there 
for.  Bump adjustment is mostly meant to help support a car with the spring 
you want to run, but need a *little* help with the bump out of turn 2 (for 
example).

I'm sure we'll get lots of opinions..... that's mine. :-)



Sam Strano Jr.
Strano Performance Parts
www.stranoparts.com
800-729-1831 orders/price info.
814-849-3450 technical info.

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