Sleeve Drive Final Assembly


Here’s the final assembly of the sleeve drive crank, sprocket and drive pin. Finally looking like a proper engine component! The three holes in the sprocket are to allow it to be removed, rotated 120° and refitted. With the 44 teeth not being divisible by 3, this provides a finer valve timing adjustment than jumping a whole tooth.

Until the patterns arrive that’s all of the machining completed. Time to look at that gearbox and decide whether I can make it work for me.

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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