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A good friend of mine wants to make a model of the Simpson and Stockton rotary piston engine. This is not the drawings or model offered by Polly Engineering in the UK ( called "short stroke" ) and covered is a MEW issue years ago. Recently Juilius De Waal did a fabulous reproduction of the...

All There have been many postings on various Forums about this engine and requests for drawings You may know that only a few drawings of the engine remain and required 20 years of study to gain their secrets I was able to focus this information into the only detailed and complete set covering...