For cover over the expanding stuff, I've heard about some sort of headliner
material that's supposed to fit around odd shapes. Don't know, haven't tried
any of this stuff, yet, cept once to make a seat back for Katie K.
--Pat Kelly
Dick Rasmussen wrote:
> At 04:14 PM 2/14/99 -0600, Dave Geis wrote:
>
> >Your local hardware store? Or an industrial chemical supply place to
> >make it a little cheaper by getting it in bigger quantities. I think we
> >used close to a pint of each of the 2 chemicals for the 2 or 3 tries it
> >took to get it the way we wanted.
>
> If you don't know what you are looking for, try Pegasus or Essex or any
> other racing vendor that sells two part foam for this purpose. Also, the
> hardware store stuff may not be rigid enough. The race vendor stuff is.
>
> >
> >We made a seat insert for my wife (5'2" vs my 6'2") using the expanding
> >foam used for weatherproofing around doors, etc. Put a large trash bag
> >in the spot where you're wanting to start from. Get in the car and have
> >a helper pour (or squirt) the foam into the bag, starting at the bottom,
> >until it's expanded up to the level you need. Stay in position until
> >it's become hard (1/2 hour?). And wear a coat:
>
> Make sure the coat isn't to thick or the seat will be a loose fit in the
> summer!
>
> it gets pretty hot when
> >it's curing. I just tore off the trash bag did the final shaping with a
> >utility knife and a wood rasp. Makes a perfect form-fitting seat.
> >
> >And in true form for Team Laughing Stock, covered the foam with duct
> >tape to make sure it stayed looking good and in one piece <g>.
>
> One problem with duct tape is that the goo oozes out and gets onto your
> clothes and if you have to slide down into the seat (like a narrow formula
> ford requires) the tape will peel. Another approach is to get some high
> quality naugahyde or similar vinyl at a fabric store. Then fit the vinyl
> around the seat and do all the duct taping in the back where you won't rub
> on it. Spray fabric adhesive helps also. Some people use heavy cloth but if
> you tow on an open trailer with the insert in place, and/or race in the
> rain, vinyl has obvious advantages! Think about water drainage when you fit
> the vinyl. You can't keep the water from getting into the folds, but you
> can be sure it gets back out.
>
> See also Carroll Smith in one or more of his books but I think Dave already
> gave you the key info.
>
> Dick Rasmussen
> CM 85
> 85 Van Diemen RF-85 Formula Ford
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