Quote:
Originally Posted by Western SMT
Another long forgotten problem was hitching up a trailer with a 2” coupling to a vehicle with a 50mm tow ball.
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Indeed - one way you risked losing the trailer, the other you couldn't get the trailer unhitched . . .
I believe the metric ball has a flat on top, but I don't know of any obvious identification on the 'socket'.
Quote:
Originally Posted by Western SMT
Any Imperial v’s Metric stories
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Just the one about the (maybe apochryphal) factory in Ireland where the clocking-in clocks were installed a couple of feet above eye level due to confusion between imperial and metric dimensions on the installation drawings
Though there is the space shot that went wrong because the calculations were done in the wrong system.