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#1
21st February 2009, 15:19
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Imperial/Metric
Years ago there were many screw thread and spanner sizes, Whitworth, BSF, AF etc then some bright spark introduced metric as well just to confuse us and bulk out our toolboxes.
http://www.vars.freewire.co.uk/tech/charts/spanners.htm http://www.boltscience.com/pages/screw1.htm Another long forgotten problem was hitching up a trailer with a 2” coupling to a vehicle with a 50mm tow ball. Any Imperial v’s Metric stories 
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#2
22nd February 2009, 00:07
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Quote:
I believe the metric ball has a flat on top, but I don't know of any obvious identification on the 'socket'. Quote:
Though there is the space shot that went wrong because the calculations were done in the wrong system.
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#3
22nd February 2009, 12:56
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The onlyu metric/imperial type of stories I know are from the swedish railway.
But then it was not metric but the old swedish system. So they sometimes used "imperial" feet instead of swedish. And such things. But I dont know any modern stories. But here we always use metric. (But for some reason some nuts in my Volvo are som strange non metric measurement. (american I think)) The metric system is taking over. Inch by inch!
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#4
23rd February 2009, 13:23
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Found this photo http://www.mconie.com/sam/qdig/?Qwd=...&Qiv=num&Qis=L Vehicles are advertised as capable of doing xx miles to the gallon yet fuel is sold in litres.
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#6
23rd February 2009, 18:09
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Having landed in Helsingborg in Sweden (before the bridge was built) I proceeded to drive north (over snow-packed roads) heading for Stockholm.
I stopped after a while to ask how far I still had to go and was told '10 miles'. I hadn't realised that Sweden used miles, but I was even more confused when I hadn't reached my destination after 10 miles. I later discovered that Swedish miles are 10 kilometers long . . . http://en.wikipedia.org/wiki/Swedish_mil
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#7
23rd February 2009, 19:45
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I know it's the Truck and Bus forum but is worthy of a mention in this thread.
http://www.wadenelson.com/gimli.html Same story wikipedia style http://en.wikipedia.org/wiki/Gimli_Glider
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#8
23rd February 2009, 20:54
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I now remember an episode when our school was in London. We asked for the way to some museum and were told to go "200 meters" in that direction. We walked and walked... and we found the museum. More like 2000m (2km)...
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#10
23rd February 2009, 22:31
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