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7th January 2018, 10:49 PM #46GOLD MEMBER
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7th January 2018 10:49 PM # ADSGoogle Adsense Advertisement
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7th January 2018, 11:25 PM #47
Being a 1959 model,I can switch between imperial and metric without even thinking about it.
I have bought quite a few hammers over the past couple of months and reading this thread has made me realize (and I actually went out to the shed and checked) that every single one of them is Imperial.
two ball pein hammers 32 oz and 40 oz, two 4 lb sledges and a 7lb sledge as well as a 3 lb club hammer. The 7 lb sledge and the Club hammer have the metric equivalent weight on them in fine print so I guess I can just use them if any metric jobs come up
CHeers
DougI got sick of sitting around doing nothing - so I took up meditation.
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8th January 2018, 12:19 AM #48GOLD MEMBER
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Welll this might be contentious then given the popular sentiment here. I'm equally at home using imperial or metric but for timber work I find imperial more user friendly for width and thickness (but not for length) - the graduations make more sense for the material IMHO. So I often play with things like 6x2 x 4.8.
And I prefer my calipers to be reading in thou as well. Just plain easier on the eyeballs then all those decimal places.
But I've tossed out both foot pounds and newton meters in favour of ugga duggas, which is the common mechanical standard worldwide nowadays.
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8th January 2018, 12:31 AM #49Taking a break
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8th January 2018, 12:39 AM #50GOLD MEMBER
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8th January 2018, 02:10 AM #51
I spent most of the 1974/75 summer drawing a metric plan using a decimal foot survey. The conversion factor (feet to metres) is etched into my brain .3048, .3048, .3048 ...
and as late as 1989, I was still building stuff using imperial (decimal foot) plans. But by then you could again buy decimal foot tapes, so not really a biggie measurement wise.regards from Alberta, Canada
ian
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8th January 2018, 02:07 PM #52Taking a break
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8th January 2018, 02:33 PM #53Woodworking mechanic
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My type of caliper
9E2EB779-4AD9-497D-85E1-5E71E41CC520.jpeg
Similar unit available from Wixey.
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8th January 2018, 03:26 PM #54
About 20 years ago, I was involved in road and bridge construction for Florida DOT. There was, briefly, a directive to produce construction documents in metric. One bizarre effect was artificial precision: CAD programs had a default display of 4 decimal places; measurements were thus stated to the nearest 0.0001 mm.
The whole thing fell out of bed because of land measurements. Right-of-way requirements were displayed in feet and hundredths, acres, etc. Reconciliation of the two measuring systems was considered too much trouble, and the metric program was abandoned.
Cheers,
JoeOf course truth is stranger than fiction.
Fiction has to make sense. - Mark Twain
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8th January 2018, 04:49 PM #55
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8th January 2018, 05:31 PM #56GOLD MEMBER
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I'm sorry if anyone was offended by my whinging. Just my warped sense of humour and a pet peeve of mine. Please don't take it personally, if you do happen like imperial.
Good advise. Thanks mate.
Only issue is that dear wife doesn't understand why I always need new tools for every project.
From my point of view, its one of the best aspects of the hobby. Seems we have a disconnect here. However I can only push it so far, otherwise she'll explain that she needs new clothes for every outing. Which, of course, is just a plain silly waste of money and not the same thing at all but one has to pick one's battles.
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8th January 2018, 05:42 PM #57Taking a break
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Dividers are only as good as your eyes and technique. I'll take numbers any day.
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8th January 2018, 09:51 PM #58
The original metre distance equator to pole was dropped because from memory they mismeasured it. As Elan says then they went to standard bars as the metre definition. And here it is!
DSC01274.jpg
the silver coloured bar in the middle was the original metre. The little cylinder was the kilogram and the bottle was the "cadil" which later got renamed to the litre.
And it turns out that the inch has been defined in terms of the mm since metric was invented and all the US measuring system (including volume and temperature) is standardised on metric, but people just dont realise, as it is hidden behind their customary units.
There was a rather excellent ABC podcast I heard on the radio around Christmas time.
Regards
SWK
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8th January 2018, 10:41 PM #59.
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8th January 2018, 10:59 PM #60Woodworking mechanic
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Problems when you mix the two
Love this story
https://mars.nasa.gov/msp98/news/mco990930.html
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