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Re: Off Topic: Goin' Metric
In Response To: Re: Off Topic: Goin' Metric ()

: . . . What gets me is that a US gallon is so small! Only 4 litres, not a
: real 4.5 litres. :D

Not even a real 4 liters. A quart is smaller than a liter, and just 4 of those to a US gallon, which is smaller than the Imperial gallon. Note that we can't even spell the same term in OUR version of the metric system!

At least liters or litres are the same size from country to country.

Actually, the US is officially on the metric system and has been for wuite a while. Our common measures are officially based on metric measures. For example, our inch is defined as being 25.4 mm. And labeling laws have required metric equivalents on many products for years. I used a 35mm camera, and buy 2 liter bottles of soda, which I occasionally mix with an American liquor sold in a 750ml bottle. (Say goodby to the old fifth of booze)

My personal campaign for many years has been to get the federal and state highway signage to go to using both systems on any new signs they erect. One of the reasons cited for NOT transforming this country to the metric system is the cost of making infrastructure changes. The cost of erecting a sign is far greater than the cost of paintint that sign, so the cost difference would be trivial. But, over time, as new signs are erected in new construction areas, or old signs are replaced due to aging or accidents, there would be more and more signs with information in both miles and kilometers alongside the highways. Eventually a transition to only metric would be easier and cheaper.

But there are many items which simply would not need to change. A 2x4 hasn't actually measured 2" by 4" for quite some time. (The idea that they cut them that big at lumbermills and that they shrink or are planed down is not accurate. Shrinkage is not that great, and it can be accurately calculated. They cut them smaller to get more from a tree.)
Staying with 2x4s, I can get that in an 8 foot length, or I can get it precut to a standard wall stud height which allows for footers, headers, and the common width of drywall sheeting. If common wall heights were to change they'd cut the boards to a different length, but the width and thickness are already plugged into structural calculations.

For my purposes it wouldn't matter if the plywood is 4x8 feet, or a metric equivalent. It would still be too short and I'd still need to scarf two or more sheets together to get usable lengths for a S&G kayak.

We measure nails and screws by pennyweight and gauge. The actual dimensions aren't going to change, just the way we talk about them. A horse race will be so many furlongs, oil prices will be quoted by the barrel, and the ladies dress sizes will stay as flattering as they are now.

Anyone who wants to support getting a progressive change to road signs as an aid to tourism should write their local politicians, or persuade me to run for president 4 years from now.

OK, I'm off my soap box. Thanks for bringing up this hot button.

PGJ

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Off Topic: Goin' Metric
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Off Topic: Goin' with Yost measurements
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Re: Off Topic: Goin' with Yost measurements *PIC*
R/C pushrod
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I can't read any more metric conv. posts...
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Just one more
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Re: I can't read any more metric conv. posts... *PIC*