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CAT | Engines



Four stroke engine

This is supposed to look like a 4 cylinder 4-stroke engine.  However the camshaft runs at the same speed as the crankshaft, so something is wrong there. Anyway this was a funny thing to build with square pistons (4×4) which needed some clearance in the “cylinders”.

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Two stroke engine

Being educated as a marine engineer I was impressed by the Lego engines appearing on various sites, such as YouTube. I managed to built a small 2 cylinder engine from my very limited collection by then.

This engine is supposed to look like a two stroke engine, having only 1 valve rocker on top of each cylinder.

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