WALLIS AND STEEVENS EXPANSION - TRACTION ENGINE
The 3" Scale Wallis and Stephen’s 7 n.h.p. Single Cylinder General Purpose Traction Engine with the ‘Wallis’ Expansion Gear is an interesting option in building a Traction Engine. The engine is well proportioned with extremely nice lines. The drawings show all the detail, as measured up from the full size engine No. 7456 - 1890c The model is a true replica of an actual engine, the model being commissioned by The Science Museum in the 1920’s unfortunately S. Francis the engineer commissioned did not complete the model, and not much is known of it until it surfaced in Newbury at an auction in the mid 1980’s being three-quarters complete with, fortunately, drawings and foundry patterns.
We have completed the model and are pleased to offer the casting and drawings to modellers who want a powerful engine for the rally field, or a true to scale model that is different.
There is an explanation of the 'Wallis' Expansion Gear by Wallis & Steevens supplied with the drawings.
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