Compiled largely from notes used in the instruction of apprentices of the Pennsylvania Railroad Company. Contents: Locomotive Valves and Valve Gears; The Stephenson Valve Gear; The Walschaert Valve Gear; Other Gears - Baker, Southern Locomotive, Joy, Young, Allen Valve Gears, Gooch Stationary Link; Effects of Altering the Valve and Its Events; Locomotive Valve Setting; Summary; Appendix; Index.

Locomotive Valves & Valve Gears: M

Engineering & Transportation

Jacob H. Yoder

George B. Wharen

Transportation

Camden Miniature Steam Services

Nikola Tesla is famous for the Tesla Coil, but another of his inventions is the subject of this book and had nothing to do with electricity, other than as a possible means of generating it. This was his Disc Turbine for which a British Patent, which also covered a compressor variant, was granted in 1910. Unlike a conventional turbine, in which the rotor consists of bladed segments, in Tesla's machine these were replaced by discs, working on the concept of flowing media being converted to rotary motion by friction working on the discs. Tesla claimed that a very small, but extremely powerful machine was possible using this principle - his aim was to produce a 25 hp machine that would fit inside a bowler hat. Here W. Cairns describes in detail the concept, and the history, of the original engines. He then proposes a number of uses for such turbines, including car and light aircraft use, all of which illustrate the extraordinary versatility of Tesla's engine. Finally he provides the design and building instructions for a small Tesla turbine which any model engineer should be able to build. Not only does a Tesla Turbine provide a very high power to size ratio, it can be used as a compressor or pump. Tesla used steam on his test machines, and the model featured here would probably be run on compressed air, but the gas turbine principle can also be used; this really is a remarkably versatile machine. This versatility means that ninety four years after the original Patents were granted there are signs of re-awakened interest in Tesla's machine, as many of the original problems can be overcome with modern materials. What is really exciting is that any revival can be boosted by individual experimenters- here is the place to start! High quality. 34 A4 format pages. Numerous drawings and sketches, including 6 pages of drawings specifically for a small Tesla turbine you can build. Slightly amended second edition.

The Tesla Disc Turbine

Cairns, W.M.J.

'LBSC' His Life and Locomotives

Brian, Hollingsworth

Biographies & Memoirs

Early Flying Machines

Anon`

A reprint of the 1936 issue by The Locomotive Publishing Co., Ltd. Includes the essential theory of heat engines and application of mechanics, with information on locomotive design intended for the locomotive engineer. Contents: Extraneous Considerations; Tractive Force, Power, Adhesion and Resistance; Cardinal Points of Design; The Boiler; Boiler Mountings and Steam-Using Auxiliaries; Superheaters and Feed Water Heaters; The Smokebox, Blast Pipe and Chimney; The Engine; Valves, Ports and Valve Gears; Compound Expansion; Frames, Springs, Brakes, Flexibility on Curves; Tanks, Bunkers and Tenders, Superstructures; Appendix - Ultimate Tensile Strength and Other Particulars of Materials for Locomotive Construction; Index.

Steam Locomotive Design: Data and Formulae

Phillipson E.A. Staff

2006 2nd printing Danish Accountant Kjeld Hoejfeld became fascinated with the concept of the Stirling, or hot air, engine and decided to learn more about them by building working models

Building Stirling Engines without a Lathe

Hoejfeldt, Kjeld

Model Steam Locomotives

Henry L. Greenly

Advanced Steam Locomotive Development

Porta, L.D.

Mixed Gauges

SNELL, J.B.

Owen Roberts was fifteen when he joined the new railway company building its narrow gauge railway among the Welsh slate quarries. Jennie arrived soon after him, and the two of them grew old together. This is a story of triumphs and troubles, successes and failures, among the Welsh hills. A story where son succeeds father, and where grandson and later great-grandson take over. A human story in which the engines that pull the trains seem almost human too. First published in 1958, and written when the author was in his twenties, Jennie remains the only family saga which is based around a Welsh narrow gauge railway, and arguably the only family saga written based on a railway anywhere, and of any gauge.

Jennie

Literature & Fiction

Snell, John B.

Genre Fiction

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