17007Re: [ksurf] Re: more helium in sleds...
- Aug 2 4:21 PMA fitting end to this increasingly preposterous exchange. Very clever, Dr
Culp. But I will be watching... :-)
----- Original Message -----
From: "Dave Culp" <dave@...>
Sent: Wednesday, August 02, 2000 12:40 PM
Subject: Re: [ksurf] Re: more helium in sleds...
> > > Real, cheap films already exist,
> > > they do not need to be developed (I expect DuPont makes some, but I
> > > haven't checked; I use another manufacturer). They are relatively
> > > *very* impervious to small molecules, such as helium; much better
> > > than aluminized mylar, for instance. Weights on the order of half an
> > > oz/yard can be had. Unsuitable for kitemaking; we're talking about
> > > *bladder* material (see above; your words, Dave)
> >Well, in principle we seem to be on the same wavelength. So I now fall
> >to the context, not a dissertation on what is possible. The context is
> >kites. Would any of the appropriately impermeable films have the palette
> >physical properties needed to serve as a drop-in replacement for the
> >I don't know... snip... I
> >haven't given the matter serious study.
> Dave Culp
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