This website showcases some of the engines I've built over the years. I do this strictly as a hobby for my own enjoyment. If your interest lies in model engines, either steam or gas, then have a look around...or a listen...
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Building The 1/4 Scale 270 Offy:
A Workshop Manual
Gas Engine Pages
New Videos Added
July 24, 2007
Build your own legendary Offenhauser racing engine. (No castings needed) This is a 16 valve double overhead cam powerhouse, with pressure oil feeds and dry sump lubrication. It is faithful to the prototype and uses the famous cup type followers. Eleven inches long and seven inches high. 1.032" Bore x 1.094" Stroke. 60 cc Displacement. (3.66 cubic in.) Compression ratio is 9.5:1. Uses solid state spark ignition. (Hall Effect with dual magnets)
The manual contains all drawings, photos, and machining instructions needed to complete your engine. Photos of special setups and drawings for several special tools are included. Source lists for all required materials. Comb bound, with 130, 8 1/2 x 11 inch pages.
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