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How to machine a fish belly on a rod

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Binbag25/02/2016 14:51:00
9 forum posts

hi

I am making the Anthony Mount trapezium engine and it calls for the connecting rods to be fish bellied.

Any one out there done this before and have advice on best practice.

Thanks

JasonB25/02/2016 15:00:25
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25215 forum posts
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1 articles

Have a read from my post at 12.40 on 11-1-14 onwards

Roderick Jenkins25/02/2016 17:29:40
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2376 forum posts
800 photos

Tubal Cain describes a somewhat different method in "Simple Workshop Devices" that gives a true curve to the rod, rather than just a taper. It involves setting the tailstock over so not really worth the trouble in my view. I'd go with Jason's method.

Rod

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