RE: chassis stiffening: foam in the rockers...

["Aaron Ness" <aaron@makuta.com>]

In college I built and raced solar-powered cars, and we had to get a large
quantity of structural foam to build a form from which to make a mold so we
could lay up the body.  We were down the road from a manufacturer of semi
trailers.  Their line included refrigerated trailers, and they used a nice
two-part foam that they were kind enough to donate to our cause.  If someone
near you makes refrigeration boxes of any kind, you could check with them.
I don't know what different types are available to give various strengths.

I've also seen it used more often recently for packaging.  I think Grainger
might be doing this with some of the orders they send out - they put the
stuff in a box and put a plastic bag in the top.  Then they fill the bag
with foam and let it expand to fill the space around the stuff.  I would
guess that sort of foam is weaker than what you would want, because it's
pretty lightweight stuff.  If you know someone that works in a shipping
department somewhere, ask them.

If you have access to a McMaster-Carr catalog (they probably havea website
as well), they might sell something like this; they have an awful lot of
stuff.  Grainger <http://www.grainger.com> may have it as well.

Aaron
'87 528e
'82 Scirocco
'70 Beetle
'82 Kawasaki GPz550


> -----Original Message-----
> From: owner-scirocco-l@scirocco.org
> [mailto:owner-scirocco-l@scirocco.org]On Behalf Of Night Shadow
> Sent: Friday, June 29, 2001 1:53 PM
> To: Scott Williams
> Cc: Scirocco List
> Subject: Re: chassis stiffening: foam in the rockers...
>
>
>
> It is true that they are hollow, as is much of the A1 chassis (was
> interesting staring at the cut up mk2 at Daun's, didn't you
> get a look?)..
>
> As for where to find the foam...I don't know...would be
> interesting to try
> though!  there would be lots of places I would want to fill in!
>
> Eric
>
>
> On Fri, 29 Jun 2001, Scott Williams wrote:
>
> > Yo, are the rocker panels in the Scirocco hollow? They have
> to be, right?
> > I'm considering filling them up with structural foam. Some
> months ago, Sport
> > Compact Car injected this foam into their project 300ZX's
> rockers. Once the
> > foam hardened, they reported a substantial increase in chassis
> > rigidity -something that the A1 chassis does *not* have in
> spades. -better
> > suspension geometry? -less creaks and rattles? I'll take it!
> >
> > I realize that this is a fairly esoteric topic, but you
> know me. I love to
> > push the envelope. Does anyone have any idea where to get
> this stuff?
> > Gracias.
> > ______________________________
> > Scott F. Williams
> > Account Manager
> > GENUiTY - Eastern Region
> > 100 Wall Street, 10th Floor
> > New York, NY 10005
> > Voice: 212.416.1745
> > Cell: 917.648.2256
> > Fax: 212.618.5160
> > scott.williams@genuity.com
> >
> >
> >
> > --
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>
> --
> Eric
> Westminster, CO
>
> 76 Honda CB400F Super Sport
> 80 Scirocco (GF's Daily Driver)
> 81 Scirocco S (2.0 16v swap and complete restoration in progress)
> 84 Scirocco Automatic
> 88 Scirocco 16v (Parts car)
> 91 Cabriolet (2.0 8v swap and mechanical rebuild in progress)
> 00 Golf GL TDI (My Daily Driver)
>
> "For Aquarians, the physics of loopholes is a perfectly valid
> science."
> -Kelli Fox
>
>
> --
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