On 4/28/2016 6:38 AM, wrote:
I wonder what would happen if someone took a small tire, such as the
ones on wheelbarrows or push carts (dollys) and just filled them with
Spray Foam (such as "Great Stuff" brand).

It would seem to me, that you could just remove the valve stem core,
insert the nozzle from the spray can into the valve stem, and fill the
tire. I guess the only concern would be to make sure the whole tire was
filled, and not leaving parts of it empty. The foam would expand and
make a solid tire.

Has anyone ever tried this?


I've thought about it, but never tried it. I'd
be tempted to pull the valve core, and then
collapse the tire off the rim. Squirt the
expanding foam in under the edge of the tire.
Put the tire on a horizontal axle. Turn the
tire (by hand?) as the foam cures. Wear gloves,
and treat the wet foam like toxic waste. Takes
a long time to wear off hands, and never really
comes out of clothes.

The foam continues to expand about double size,
after it's dispensed.

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Christopher A. Young
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