PART 14 - TWINING VALVE GEAR Radial Valve Gears Again

Continued from p.679 M.E.4730 November 17 This is one of the less used valve gears. It was invented by E.W. Twining (1895-1956) who was initially associated with Bassett Lowke but later set up as a model maker in his own right (ref 25). As far as I can tell this gear was only fitted to three locomotives, Katie (1954), Sian (1963), both built by Guest Engineering of Stourbridge, and Wroxham Broad (built by Guest 1964 as a diesel, converted to steam 1991 by Winson Engineering). Photograph 4 shows a general view of Wroxham Broad and photo 5 is a close up of the valve gear, both kindly supplied by the Bure Valley Railway. Figure 84 is a schematic of the gear and the results running forward. It is clearly based…

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Model Engineer (Digital) - 1 Issue, Issue 4731

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