Trial bore

Standard

So far, so good – although it’s a slow process. Getting to grips with a new boring tool and machine takes a while. The tools seem to be working well, I’m getting a lovely finish on the finest feed and the bore size corresponds to the graduation marks.

I’m starting to hate aluminium swarf though, it gets everywhere! I can only take a 25 thou cut, so opening the bore from half an inch to 80mm (3.149") is going to take a while. And when I’ve finished?

Start again on the real job, the conrod!!

About Sophie Whiptank - aka Bart

I'm just a bloke doing some stuff, the more interesting bits I post on my blog. Scroll down far enough and you'll see me riding from Melbourne Australia to Birmingham, England in 2014. But now I'm working on another project, a single cylinder motorbike engine at 2750cc!

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