Do you hear people throwing around words like “Differential ” and “Locked Diff” and wonder what is it and what does it do.  The basic idea of a differential has not changed much over the years, and to prove it here is a video made in the 1930’s that explains how it works.

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John Galvin (JSG)
It started at a young age with bedroom posters, the Countach of course. This slowly grew into a super car die-cast model collection, fifty five 1:18 models at the last count. At which point it had almost taken full control, the incurable Mad Car Disease ran deep though my veins all the way to the bone. And things for my loved ones just got worse as the cars where now being bought at 1:1 scale, after a BMW, HSV, and couple of Audi's, the disease reached my brain, pushing me over the edge and down the rabbits hole into the world of the bedroom poster.


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