So, this is the final single cylinder Lego engine prototype until the remaining springs arrive. I’ll then look at making V8 32 valve quad cam engine
Size depending, I’d like to use it in the studless 8865 MOC homage model I’ve got as a project
Let us know what you think
If you look closely, you’ll see the exhaust valves open on the up stroke, then the inlet valves for the down stroke (might be able to advance this one more tooth) then we have the squeeze and pop cycle before it starts again
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