[Steam-engine] now pressure gauge needle.

[Richard Strobel]

Yes Francis that's exactly what I had planned.  I'd like to calibrate it 
when they do the hydro.

later,
Rick










----- Original Message ----- 
From: "Francis Orr" <steam.boat at verizon.net>
To: "Steam-engine mailing list" <steam-engine at lists.stationary-engine.com>
Sent: Friday, November 18, 2005 11:52 AM
Subject: Re: [Steam-engine] now pressure gauge needle.


> Rick, One thing to think about. Your antique gauge does not necessisarily
> have to be accurate. If you have a hand pump or some way to produce
> pressure, T off the pressure side and mount your gauge against a known
> gauge. Pump the known gauge up to your working pressure (80psi?) and
> reposition the pointer on your antique gauge to the same pressure. That 
> will
> be the pressure you are most concerned with. Keeping a tested gauge on 
> your
> boiler, you can use the antique gauge for visual effect. You are lucky 
> that
> the old gauge is 200 psi which gives you the mid range right about your
> operating pressure.
> Francis A. Orr
>
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