Re: Notes-Questions-Article-All

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Daniel Barrett by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dbarrett-at-clearcube-dot-com>

    It says it is 'during dispensing' on the can, but being a pyomaniac I
trouble setting it on fire. It's probably ok if it has cured for a while.
But you're right, I bet it would look really cool :)
db

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Wednesday, September 05, 2001 8:42 PM
Subject: Re: Notes-Questions-Article-All


> Original poster: "christopher carsten by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <ctom-at-toast-dot-net>
>
> Does anyone know if this foam is flamable? I would like to try this
sometime
> but would not like trapped propellants or foam to burst into flames inside
> or outside of my toroid! (although it may look cool)
> Chris
>
> ----------
> >From: "Tesla list" <tesla-at-pupman-dot-com>
> >To: tesla-at-pupman-dot-com
> >Subject: Re: Notes-Questions-Article-All
> >Date: Tue, Sep 4, 2001, 8:19 PM
> >
>
> > Original poster: "Alexander Rice by way of Terry Fritz
> > <twftesla-at-qwest-dot-net>" <ajjrice-at-yahoo-dot-com>
> >
> > On the can of foam i used recently it recommended that if the cavity was
> > ddeper then 10 cm then the inside should be made wet first - experiments
> > support the idea that it is catalysed by water. One comment -  do not
get it
> > on anything it is literally impossible to remove, no solvent even
touches
> > it, not even 111 trichlorethane - dry cleaning fluid!
> >
> >>
> >> Daniel,
> >>
> >> It may take months to dry. I made a double walled mash tun (think a big
> >> thermos) for brewing beer. When I filled the air space, I made LOTS of
> > holes
> >> and so on, but the foam couldn't dry properly, and left soft spots.
> > Drilling
> >> into these holes many days later yielded liquid foam that even when
left
> >> outside would no longer expand when it dried. I later tore it apart
> > (months
> >> later) and found that the liquid had dried, but not expanded, leaving a
> >> swiss cheese effect. It seems there is an effective depth or volume
that
> > one
> >> can foam at one time. I think if I had layered it over a period of days
it
> >> might have worked.  I used "great stuff" foam.
> >>
> >> YMMV,
> >>
> >> Jonathan Peakall
> >
> >
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>