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Subject:Re: [NVC] Engineers: quick and cheerful vibration analysis?
From:Jake de Villiers
Date:Tue, 5 Aug 2008 23:13:58 -0700

How much weight is on those tires Mike?  I'm thinking you need about 20 psi
in the tires for 600 lbs total, 25 for 1200, 30 psi for 1500 lbs

On Tue, Aug 5, 2008 at 9:06 PM, Mike Elliott <camping.elliott@gmail.com>wrote:

> This is a question for the engineering geeks here.
>
> Say you were towing a little trailer behind your Vanagon. Say that the
> trailer had a rudimentary suspension consisting only of leaf springs. Say
> that this trailer also had tires, the pressure of which could be adjusted:
> higher pressure results in a harsher ride, while lower pressure results in
> a softer ride. Say you wanted to determine the optimum pressure of ride vs
> tire squishiness but were unable to find a small boy to ride in that
> trailer to report back about smoothness of ride v tire pressure while the
> experiments were being conducted, so lacking that small boy, your thoughts
> naturally turn to instrumentation. Okay, so say you had a laptop computer
> (WinXP) which could ride in the passenger seat, and /three/ business days
> in which to acquire the needed sensor (accelerometer?) as well as the
> software to display the ride bounciness.
>
> Could it be done?
>
> --
> Mike "Rocket J Squirrel" Elliott
>

--
Jake
1984 Vanagon GL
1986 Westy Weekender "Dixie"
Crescent Beach, BC
www.crescentbeachguitar.com
http://subyjake.googlepages.com/mydixiedarlin%27