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Steam Cylinder Gauge Pressure - Condensing Cars


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Good Evening, Steam Car Enthusiasts!

The BettyAnne, our 1925 Stanley Steam Car, is gradually moving towards restoration.

The latest project is the steam cylinder oil gauge. This has a single 1/8 NPT coming in the back.

I've rigged up a little system with my Ashcroft "T" shaped pressure testing unit and have moved the needle off the peg and measured another gauge so I can get the needle back on the arbor in the proper location.

It occurred to me that I have never seen any information on the amount of pressure these gauges register.

Does anyone know if anything ahs been published about this?

Thanks very much!

Don Hoke

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Good Evening, Steam Car Enthusiasts!

The BettyAnne, our 1925 Stanley Steam Car, is gradually moving towards restoration.

The latest project is the steam cylinder oil gauge. This has a single 1/8 NPT coming in the back.

I've rigged up a little system with my Ashcroft "T" shaped pressure testing unit and have moved the needle off the peg and measured another gauge so I can get the needle back on the arbor in the proper location.

It occurred to me that I have never seen any information on the amount of pressure these gauges register.

Does anyone know if anything ahs been published about this?

Thanks very much!

Don Hoke

Don, At first I was going to say boiler pressure, but upon thought, the lubricator pump would be operating when the car was in motion and steam supply pressure to the engine would be less than boiler pressure. Now, my best answer would have to be "I dunno". Sorry

Jim Showers

1921 735B

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Thanks, Jim!

I added 30 weight oil to the Ashcroft testing unit and got lots of pressure. I matched the gauge hand on the "N" of ON at 138 pounds. This will enable me to get it back together in the proper spot.

Are you on the Vintage Steam Products and/or the Virtual Steam Car Museum email lists?

Best wishes!

Don

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