Steam Power Unit Development Society

90 Degree Vee, Double-acting, Compound Engine

2 3/8 inch X 4 3/4 inch X 3 1/2 inch stroke

SPUDS designed this engine in 1949, and made the castings but it was never built ... until now

These drawings were scanned from original blueprints or early copies of them

Some have not yet been de-spotted. The originals were drawn on linen and the ink ran!

Front Elevatio - 1671 Bytes tnsideelv.jpg - 4152 Bytes


Detail drawing sections of larger drawings

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