Colin Tylers son Neil now sells the drawings and castings, its him on e-bay and if you look at the left of the page under shopping partners it will tak eyou to his web site.
Though having said that when chatting to Harry Williams about his gold medal winning example they are not totally accurate, he made his own patterns and researched the engine.
J
Edited By JasonB on 05/02/2012 13:15:00