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  1. Duncan.e

    Optimum operating speed?

    Gentlemen, I need some more advice.... I have a design more or less finished for a two cylinder double acting oscillating engine that ultimately I want to use to drive a 7/8" / 1' scale 'coffee pot' locomotive. My question is, what sort of rpm is optimum for these engines? I don't know...
  2. Duncan.e

    Newbie question on oscillating engine

    Hi, An old, but newbie here - first post - from the south east of England. I have only just found the forum and have searched through it and read lots - It looks a great place to learn! I want to build a twin cylinder, double acting, oscillating steam engine ultimately to fit into a 1:13.7...
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