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Author Topic: Imperial weights and measures  (Read 6038 times)

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STEMO

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Imperial weights and measures
« on: 14 March 2017, 17:11:41 »

Just been explaining to the teenager about imperial measurements. You know, 16 ounces in a pound, 14 pounds in a stone, 112 lbs in a hundredweight (cwt), 20 cwt in a ton, 2240 lbs in a ton, 2420 sq yds in an acre etc.

He told me it was an absolute mess and he was glad he didn't have to know it.

Then I explained how, after brexit............. :) :) :) :)


I think he knew I was just joshing...... :)
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Marks DTM Calib

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Re: Imperial weights and measures
« Reply #1 on: 14 March 2017, 17:15:15 »

It was a chuffing mess, I guess anybody under about 45-50 would be mostly metric (In know I am!)
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STEMO

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Re: Imperial weights and measures
« Reply #2 on: 14 March 2017, 17:16:28 »

It was a chuffing mess, I guess anybody under about 45-50 would be mostly metric (In know I am!)
Yeah? Well stop going on about mpg then.  ;D
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Andy B

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Re: Imperial weights and measures
« Reply #3 on: 14 March 2017, 17:29:26 »

It was a chuffing mess, I guess anybody under about 45-50 would be mostly metric (In know I am!)
Yeah? Well stop going on about mpg then.  ;D

Or 16"/17" wheels with a metric width

Or mph speed limits  ;)
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ajsphead

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Re: Imperial weights and measures
« Reply #4 on: 14 March 2017, 17:40:25 »

I guess 1760 yds to a mile is also still relevant. It's metric inches and metric miles I struggle with although we accept it without thinking on odometers. Road signs by law also have to display in yards/miles to be enforceable I think.

My generation learned both systems and I'm teaching my daughter both as she wants to be an architect and needs to understand size and proportion pre 1970s.

Also GM seat belt lower mounting bolts are imperial at least up to 2004 on my astra. 11/16 or 13/16 , can't recall which. thank goodness for the USA !!!

There are more things that only work in imperial if you want them to make sense, mainly related to sound waves and pitch which are nonsense in metric. We should know and understand both systems then measure everything in mm.
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Bigron

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Re: Imperial weights and measures
« Reply #5 on: 14 March 2017, 17:48:19 »

The Hubble telescope was a tragic example of working with mixed measurements - but they were American!  ;D

Ron.
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Nick W

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Re: Imperial weights and measures
« Reply #6 on: 14 March 2017, 17:56:06 »

It was a chuffing mess, I guess anybody under about 45-50 would be mostly metric (In know I am!)


I think you're right on both points.


Anyone who has explained imperial to a purely metric user will soon wonder why it's still so bloody common!


FAQs include:
Why are there 16ounces in a pound, but 20fl oz in a pint? Answer - it seemed like a good idea at the time?
So there's no good reason why there are 3 feet in a yard, but 8 pints in a gallon? Answer - that's right
How can there not be a direct relation between volume and length measurements? Answer - because we like it that way
Why are there so many units of power? Answer - yes.
And my particular favourite:


How much energy does it take to boil a room-temperature gallon of water? Answer - go opps yourself!
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Sir Tigger KC

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Re: Imperial weights and measures
« Reply #7 on: 14 March 2017, 18:06:43 »

Telling a girlie that if she plays her cards right she'll have 9 inches to play with later, is much more descriptive than telling her she'll have 228.6mm!   :)
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Mister Rog

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Re: Imperial weights and measures
« Reply #8 on: 14 March 2017, 18:07:15 »

This is SUCH a big bee in my bonnet. It is simply bonkers that we still use anything non-metric, whether it's yards, feet, inches, Ounces, pounds, stones, hundredweight whatever. My late father in law was a chippy, and he used to talk in something like three sixteenths of an inch etc. Yes I know that MPG and Miles and various others are in common use, but that doesn't make them right or even logical. We'd get used to change in the same way as we got used to monetary decimalisation.

Of course, the main reason much of this hangs on is because the Americans use them, Ah not quite, many of their measurements are actually different to ours although they have the same name ! Even more nuts.

I have an american made Guitar. I needed an allen key for the bridge saddle, I didn't have one. It turns out that the correct size is 0.050 (Metric) of an Inch (imperial). The same but cheaper model of guitar made in Far East have metric. Arrgggg I found a company that imports the keys. In medical devices metric parts of an imperial measurement is quite common.



I will now retire while the dinosaurs tear me apart  ;D



 
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Sir Tigger KC

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Re: Imperial weights and measures
« Reply #9 on: 14 March 2017, 18:11:00 »

Anyone nipping out for a 568.261248ml later?  ;D
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Bigron

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Re: Imperial weights and measures
« Reply #10 on: 14 March 2017, 18:14:31 »

I'm not sure that I can explain this even to myself, but I have been in electronics engineering/radio all my working life and was totally happy with the MKS (formerly CGS) system of measurement, and yet in "civilian" life I have to convert wood sizes, etc., back to Imperial to visualise what I am dealing with!  ::)

Ron.
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STEMO

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Re: Imperial weights and measures
« Reply #11 on: 14 March 2017, 18:18:05 »

What's more modern than an iPad or iPhone? Screen size in inches, please. And televisions too.
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Mister Rog

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Re: Imperial weights and measures
« Reply #12 on: 14 March 2017, 18:19:38 »

What's more modern than an iPad or iPhone? Screen size in inches, please. And televisions too.

Yep. Bonkers isn't it. Ah of course  . . . . . Americans
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Andy B

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Re: Imperial weights and measures
« Reply #13 on: 14 March 2017, 18:19:55 »

...
 It turns out that the correct size is 0.050 (Metric) of an Inch (imperial) ....

That'll be 50 thou then 😉
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Andy B

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Re: Imperial weights and measures
« Reply #14 on: 14 March 2017, 18:22:32 »

....


FAQs include:
Why are there 16ounces in a pound, but 20fl oz in a pint?  .....

Get yourselve to the States then if you want 16fl oz in your pint 😉
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