Reply to "ATSF 2926 First Movements"

Hot WaterOGR Forum Member SUPPORTING MEMBER

@wjstix posted:
There used to be (up to maybe 1980s?) 'fireless cooker' steam engines that ran on compressed air. Usually little 0-4-0 switchers used to move cars around a grain complex where sparks could have easily caused a fire / explosion.
The "fireless cooker" steam locomotives did NOT run on "compressed air"! They had their boilers filled with VERY hot water from the main power house steam boilers, thus as the pressure was released on the "fireless cooker" through the throttle, steam was produced to power the pistons. They could operate quite awhile on each charge of hot boiler water.
In "The Depot" museum in Duluth MN, they have a DMIR Yellowstone that's up on rollers; the wheels rotate every so many minutes via an electric motor, and there are recorded sounds playing of one under steam.

7/20/214:05 PM

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