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Water crane

Device for providing a locomotive with water

Water crane
Summary

Device for providing a locomotive with water

Water crane in [[Stützerbach]], Germany
Signals]] and water cranes at Horsted Keynes station on the [[Bluebell Railway
Water crane in [[Kladno]], Czech Republic

A water crane is a device used for delivering a large volume of water into the tank or tender of a steam locomotive. The device is also called a water column in the United States and Australia. As a steam locomotive consumes large quantities of water, water cranes were a vital part of railway station equipment, often situated at the end of a platform, so that water could be refilled during a stop at the station.

Overview

Generally, water cranes consist of an upright steel pipe about 8 to in diameter with a horizontal, pivoting pipe connected to its upper end so as to form a swinging arm. Water cranes may be able to deliver up to 10 m3 of water per minute.

Water supply

In hilly country, natural streams can be dammed and water fed by gravity to the water crane. In flatter country this arrangement is not always possible, so water may be supplied by a tank next to the crane. Water tanks may vary in volume from 190 m3 to greater than 757 m3.

Depending on the quality of the water under supply, it may need to be treated chemically to eliminate hardness which induces scale buildup on the inside of the locomotive boiler. The scale which builds up on heat transfer surfaces forms a layer of insulation between the metal of the firebox and the boiler water. This causes metal to overheat or corrode and eventually fail.

References

References

  1. "Stand-pipe for railway uses".
  2. "Railway stand-pipe".
  3. "Stand-pipe for railway water-supply".
  4. Railway and Locomotive Historical Society, Marietta, GA (2008). [http://rlhs.org/Publications/Quarterly/PDF/nl28-4.pdf "The Railroad Station Water Column."] {{Webarchive. link. (2021-02-11 ''Railway and Locomotive Historical Society Quarterly,'' Vol. 28, No. 4 - Vol. 29, No 1. p.6.)
  5. Webb, Walter Loring. (1917). "Railroad Construction, Theory and Practice". John Wiley & Sons, Inc.
  6. Cleemann, Thomas M.. (1880). "The Railroad Engineer's Practice". George H. Frost, Publisher.
  7. Tratman, Edward Ernest Russell. (1901). "Railway Track and Track Work". Engineering News Publishing Company.
  8. Wrinn, Jim. (January 2012). "What's in the water?". Kalmbach Publishing Company.
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

railway-buildings-and-structures steam-locomotive-technologies
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