Machining

Made some progress today. Got the chambers mapped out and ran a finish pass over them. I designed the chambers to be “as cast’ but I knew that was a mistake as soon as I saw the casting. Since I didn’t have any machine allowance to work with I did the best I could. There are a few spots I’ll have to hand work. I finished the surfacing and recut the water passages to make sure they were in the right spot. They were off a hair. Really happy with the quality of the casting so far. I engineered the gating system to prioritize the combustion chambers and bottom of the head. The metal is super clean so far.

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I’m going to need a lot of piston clearance for this to work :)

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Deep drilling the head bolt holes. This stuff make my butt hole clench.

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Bottom all done. (I think)

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This is the ground flat bar that I’ll use to set the rotational angle when I roll it over. That way I’m indicating off of the bottom surface.

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