Re: Notes-Questions-Article-All

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

Original poster: "Metlicka Marc by way of Terry Fritz <twftesla-at-qwest-dot-net>" <mystuffs-at-orwell-dot-net>



Tesla list wrote:
> 
> Original poster: "David Dean by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<deano-at-corridor-dot-net>
> 
> HI
> 
> >Toroid Design:  Has anyone tried joing the ends of flex duct with a
> >pressure tight seal.  If it could be done then the flexduct toroid could be
> >slightly pressurized.  This would add more rigidity and immunity from small
> >bumps.  If a seal is not possible then maybe a balloon or an innertube?
> 
> I tried that once. When the duct has pressure applied to the inside it has a
> tendency to twist. Instead of a toroid, I ended up with a figure 8. Ruined a
> good piece of 8" duct that way.

Would be an interesting topload though? For those silly little "play
time" experiments.
Take care,
Marc M.


> 
> later
> 
> deano