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While we’re waiting for the cases to be cast and heat treated, I’ve started to write some GCODE for fly cutting the mating faces. With such large components travel on the Y axis is very close to the limits, so a trial run over a set of drawings is a must!

The position of the spindle centre is also critical, and this afternoon I brought it forward. I hadn’t done this before but it was fairly straightforward and with Bob’s assistance now in the right place. Bob remains unconvinced that CNC is better than handle twiddling!

I think we’re going to be ok without resorting to larger machines. Great news as it is VERY close to the limit!

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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