[simpits-tech] Zero point on a two needle altimeter

[Matt Bailey]

That site looks right.

	-Matt Bailey

Craig Rochester wrote:
> 
> Is this the name? http://www.kollsman.com/aviintro.html
> 
> -----Original Message-----
> From:   simpits-tech-admin@simpits.org [mailto:simpits-tech-admin@simpits.org]
> On Behalf Of Matt Bailey
> Sent:   Sunday, October 27, 2002 11:59 AM
> To:     simpits-tech@simpits.org
> Subject:        Re: [simpits-tech] Zero point on a two needle altimeter
> 
> Heh well you could very well be right, like I said I don't remember ever
> reading it anywhere, just hearing it.
> 
>         -Matt Bailey
> 
> Simon Kelsey wrote:
> >
> > Actually Matt, I think both of you are wrong <VVVBG>
> >
> > I seem to remember "Kohlsman" or "Kohlsmann"...
> >
> > <ducks>
> >
> > Simon
> >
> > ----- Original Message -----
> > From: "Matt Bailey" <mattb@rtccom.net>
> > To: <simpits-tech@simpits.org>
> > Sent: Sunday, October 27, 2002 8:06 AM
> > Subject: Re: [simpits-tech] Zero point on a two needle altimeter
> >
> > > Oh, sorry, spelling error. :) I had heard the term, I just don't
> > > remember ever reading it. :)
> > >
> > > -Matt Bailey
> > >
> > > Gene Buckle wrote:
> > > >
> > > > I think he's referring to the "Kollsman" window, which is just a
> > pressure
> > > > adjustment you make to the altimeter.  AFAIK, Kollsman is/was an
> > altimeter
> > > > manufacturer.
> > > >
> > > > g.
> > > >
> > > > On Sat, 26 Oct 2002, Craig Rochester wrote:
> > > >
> > > > > What is a Colesman window?
> > > > >
> > > > > -----Original Message-----
> > > > > From: simpits-tech-admin@simpits.org
> > [mailto:simpits-tech-admin@simpits.org]
> > > > > On Behalf Of Matt Bailey
> > > > > Sent: Saturday, October 26, 2002 8:44 PM
> > > > > To:   simpits-tech@simpits.org
> > > > > Subject:      Re: [simpits-tech] Zero point on a two needle
> altimeter
> > > > >
> > > > > I thought about a pressure box, but that seens like it would be
> tricky
> > > > > to meter out exactly the right pressure to get a precise, accurate
> > > > > reading. It would be cool if you could make it work though, you
> could
> > > > > just output the atmospheric pressue in the sim...this would even
> allow
> > > > > the Colesman window to work.
> > > > >
> > > > >       -Matt Bailey
> > > > >
> > > > > Craig Rochester wrote:
> > > > > >
> > > > > > Dumb questions about altimeters, speed indicators, etc. If they
> work
> > like
> > > > > > this: http://home.swipnet.se/~w-65189/AP_html/pitot_static.htm why
> > can't
> > > > > you
> > > > > > just output two pressures?  The velocity pressure could be
> > controlled by a
> > > > > > voltage driven pressure regulator(V/P) and compressed air.  The
> > barometric
> > > > > > pressure would require vacuum and a vacuum version of a V/P.
> > > > > >
> > > > > > This way you could use standard instruments without modification.
> > > > > >
> > > > > > Craig R.
> > > _______________________________________________
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