On Friday 22 March 2019 14:04:48 Roland Jollivet wrote:

> On Fri, 22 Mar 2019 at 20:02, Gene Heskett <ghesk...@shentel.net> 
wrote:
> > On Friday 22 March 2019 13:47:01 Roland Jollivet wrote:
> > > On Fri, 22 Mar 2019 at 19:31, Gene Heskett <ghesk...@shentel.net>
> >
> > wrote:
> > > > On Friday 22 March 2019 12:24:55 andy pugh wrote:
> > > > > On Fri, 22 Mar 2019 at 16:15, Gene Heskett
> > > > > <ghesk...@shentel.net>
> > > >
> > > > wrote:
> > > > > > Lack of the ability to bore very fine threads below
> > > > > > nominally 10mm discourages me from attempting a needle valve
> > > > > > design
> > >
> > > Why not just mist using an atomising nozzle, much like they do
> > > outside restaurants on muggy days;
> > > https://www.aqualitywater.com/about-us
> > > (see the first drop-down, 'mist cooling' to see nozzles and price
> > > of.)
> > >
> > > While these use high pressure pumps, I'm sure you could just
> > > pressurise your system by using the water mains pressure.
> > > Sometimes there's a hole in the hosepipe and you get a beautiful
> > > fine mist coming off, so 4bar is plenty pressure to get a mist.
> > >
> > > Using air simply adds a bulk volume that has to go somewhere, and
> > > compressed air is expensive.
> >
> > I think the evaporative cooling of carrying a cold liquid in a lot
> > of air to help it evaporate is part of the theory.  So the air is a
> > requirement of sorts.  I think thats the reasoning at least.
>
> Here's the 'hose-pipe' version.
> http://www.bigfogg.com/product411.html
>
> I really don't think you need compressed air......
>
For that, no.
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Cheers, Gene Heskett
-- 
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>



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