Gammaboy Posted May 17, 2018 Posted May 17, 2018 3 hours ago, coombehouse said: IThe shaft will be easy enough to drill with a cobalt or carbide drill bit but tapping it may be another thing. Counterbore the first 2mm to full thread diameter - once you're past the case hardening, it should be ok to tap. 1 Quote
bluedog59 Posted May 17, 2018 Posted May 17, 2018 I did a little bit of machining on the castellated bit ( IIRC ) and welded it to the sprocket nut for mine. Works perfectly. Quote
wraith Posted May 17, 2018 Posted May 17, 2018 10 hours ago, Sam-Jaffa said: Yeah same setup, they have the castlated trigger wheel bolted to the middle of the output shaft. I could look at making back plate that would bolt onto the the sprocket like you mention, I don't want too much unnecessary weight over that way as I don't want to bugger the output shaft bearing......it am I over thinking... You will only need to make a plate out of max 2mm steel so no real weigh there I was think of say a U shaped peace of steel with one hole to bolt the Speedo trigger to and two bolt holes to bolt to the f/sprocket. Quote
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