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  1. BTG

    Upshur Opposed Twin

    Hello, I’m about to start my next build, Harold Upshur’s Opposed Twin. Has anyone attempted to build the crankcase from the solid? Regards Tom
  2. C

    Wanted - Drawings for A Stuart Turner Twin Launch engine

    I have an old set of castings for one of these engines bought in the 70's but the drawings have been mislaid. Does anyone have a set they no longer need that I could purchase. thanks