Demonstration Model, for Self-Pitching Marine Screw Propeller

Demonstration model for a self-pitching marine screw propeller with geared blades, designed and patented by John R. Coxon, Petworth, West Sussex, England and made by Woodcoxon Engineering Limited, Petworth, West Sussex, England, 1980. On teak display stand by Science Museum Workshops, South Kensington, London, England, 2002-2003. The propeller blade pitch was engineered so that if it would be impossible to replicate. This was in preparation for Woodcoxon to demonstrate to prospective national and international customers.