I've seen people at work tighten and remove 13
mm heads with a half inch wrench. The wrench
fitted the bolt with no effort and the bolts
were not damaged. There is a big difference
between what things may be intended to be or
what is stated on a piece of paper and what they really turn out to be.
Jerry
From: Bill Potts <w...@wfpconsulting.com>
To: U.S. Metric Association <usma@colostate.edu>
Sent: Saturday, March 14, 2009 12:25:36 PM
Subject: [USMA:43830] Re: Jerry's questions
regarding "imperial" fuel & fish sales in the UK.
Wrong, Jerry.
1/2" sockets are definitely not 13 mm ones in
disguise. If you're trying to loosen a stubborn
metric nut made of relatively soft metal (e.g.,
on a car battery clamp, which usually has a 10
mm nut), the wrench will slip and you'll wear
down the apexes of the hexagonal shape, creating
an almost circular nut. That's because the
nearest non-metric size, 13/32", is not 10 mm in
disguise; it's a little over 10.3 mm. The 1/2"
socket in your example is, similarly, not 13 mm
is disguise. It's exactly 12.7 mm and would not
even fit onto a 13 mm nut (or bolt head).
The imprecise fit, in your 8 mm socket example,
is a close one you might get away with, but it's
an exception. 5/16" sockets are just that -- not 8 mm.
Bill
----------
Bill Potts
<http://wfpconsulting.com/>WFP Consulting
Roseville, CA
<http://metric1.org/>http://metric1.org [SI Navigator]
----------
From: owner-u...@colostate.edu
[mailto:owner-u...@colostate.edu] On Behalf Of Jeremiah MacGregor
Sent: Saturday, March 14, 2009 06:53
To: U.S. Metric Association
Subject: [USMA:43808] Re: Jerry's questions
regarding "imperial" fuel & fish sales in the UK.
5/16 is 7.9375 mm. An 8 mm socket would fit
and the less than 0.0625 mm difference would not
be noticed. I have also seen 1/2 inch wrenches
and sockets fit a 13 mm head even though the 1/2
inch is smaller then 13 mm. It would seem that
the 1/2 inch sockets are really 13 mm ones in disguise.
Thus I would not be surprised if a socket
labeled as 5/16 inches was really 8 mm in disguise.
According to this thread:
http://www.smokstak.com/forum/showthread.php?t=57707
Spark plugs are metric, so it would be a true 8 mm.
You can even buy spark plug taps with a metric thread.
Here is a whole set of spark plug taps, all metric:
http://buy1.snapon.com/catalog/item.asp?item_ID=9721&group_ID=1154
Or are you trying to tell us you still drive a
model T which did use inch based spark plugs?
Jerry
From: Stephen Humphreys <barkatf...@hotmail.com>
To: jeremiahmacgre...@rocketmail.com; usma@colostate.edu
Sent: Saturday, March 14, 2009 8:31:32 AM
Subject: RE: [USMA:43788] Re: Jerry's questions
regarding "imperial" fuel & fish sales in the UK.
It would not work - you have to buy a 15/16ths socket as per instructions
----------
Date: Fri, 13 Mar 2009 20:39:49 -0700
From: jeremiahmacgre...@rocketmail.com
Subject: [USMA:43788] Re: Jerry's questions
regarding "imperial" fuel & fish sales in the UK.
To: usma@colostate.edu
Are you sure it isn't really 8 mm and you are just approximating it?
Jerry
From: Stephen Humphreys <barkatf...@hotmail.com>
To: Jeremiah MacGregor <jeremiahmacgre...@rocketmail.com>
Sent: Friday, March 13, 2009 11:08:15 PM
Subject: RE: [USMA:43759] Re: Jerry's questions
regarding "imperial" fuel & fish sales in the UK.
mixed
My sump plug is 15/16ths
----------
Date: Fri, 13 Mar 2009 20:03:06 -0700
From: jeremiahmacgre...@rocketmail.com
Subject: Re: [USMA:43759] Re: Jerry's questions
regarding "imperial" fuel & fish sales in the UK.
To: barkatf...@hotmail.com
Then what units are cars made in if not metric units?
Jerry
From: Stephen Humphreys <barkatf...@hotmail.com>
To: jeremiahmacgre...@rocketmail.com
Sent: Friday, March 13, 2009 9:57:15 PM
Subject: RE: [USMA:43759] Re: Jerry's questions
regarding "imperial" fuel & fish sales in the UK...
No because they're not
----------
Date: Fri, 13 Mar 2009 18:48:17 -0700
From: jeremiahmacgre...@rocketmail.com
Subject: [USMA:43759] Re: Jerry's questions
regarding "imperial" fuel & fish sales in the UK.
To: usma@colostate.edu
So do you discuss cars in metric since cars are
only made in metric units all over the world?
Jerry
From: Stephen Humphreys <barkatf...@hotmail.com>
To: U.S.. Metric Association <usma@colostate.edu>
Sent: Wednesday, March 11, 2009 7:25:46 AM
Subject: [USMA:43670] Re: Jerry's questions
regarding "imperial" fuel & fish sales in the UK.
Sounds like we have some car enthusiasts on the list :-D
----------
Date: Tue, 10 Mar 2009 20:37:31 -0700
To: usma@colostate.edu
From: br...@bjwhite..net
Subject: [USMA:43668] Re: Jerry's questions
regarding "imperial" fuel & fish sales in the UK.
Funny. All of my cars have been manual
transmissions (including my Audi Allroad and my
BMW 540i...both 6-speed manuals).
It took me getting a British vehicle to have an
automatic. :) (A Range Rover Classic I picked
up for $500, fixed it up a little bit and have
since put 16,000km on it since I bought it a
year ago.) I wish it was a manual
transmission, but they never imported manuals to the US.
But, I have 7 other cars, and they are all manual transmissions.....
At 20:24 2009-03-10, Carleton MacDonald wrote:
Iâve actually driven a manual transmission car
most of my life: MG 1100, VW Beetle, two
Rabbits, two Saab 900s (and two motorcycles
mixed in). The car I have now (and have had
since 2002), a 1999 Saab 9-5, is the first automatic Iâve ever owned.
Metric related: Unlike most American cars, the
km markings on the speedometer of the 9-5,
inside the mile ones, are lit at night and can be read.
Carleton
From: owner-u...@colostate.edu [
mailto:owner-u...@colostate.edu] On Behalf Of Stephen Humphreys
Sent: Tuesday, March 10, 2009 05:50
To: U.S. Metric Association
Subject: [USMA:43627] Re: Jerry's questions
regarding "imperial" fuel & fish sales in the UK.
Congrats are due to you for mastering the use of
a manual gearbox! I think that's more of an
achievement than road placement (based upon most Americans driving Automatics).
> From: carlet...@comcast.net
> To: usma@colostate.edu
> Subject: [USMA:43622] Re: Jerry's questions
regarding "imperial" fuel & fish sales in the UK.
> Date: Tue, 10 Mar 2009 00:18:29 -0400
>
>
> I remember the first time I rented a car in the UK. October 1982,
> Edinburgh, Scotland, British Rail Waverley Station.
>
> Left my wife Susan at the bed and breakfast, took a bus downtown, went to
> the station, to the Godfrey Davis office. A kind, pretty young woman (I was
> young then too) had me fill out the paperwork then gave me the keys. I
> thanked her, opened the door, got in, and sat down. On the left side.
> Where's the steering wheel? Oh, right. Got out, closed the door, glanced
> at the booth: she was inside, hand on her mouth, suppressing a laugh.
> Walked round the back of the car, got in the right side, sat down, felt the
> shift with my left hand, started the car, said a very significant Anglican
> prayer, put the car in gear, and headed out,
saying to myself, "Drive on the
> left. Drive on the left. Drive on the left. Drive on the left ..." Headed
> back to the bed and breakfast, scared to death. Picked up Susan, headed out
> of town toward the bridge over the Firth of Forth. Stopped, took picture of
> the famous railway bridge. Started up again, found myself making a left
> turn to the right side of the intersecting road, corrected quickly, too
> quickly, hit a stone kerb, blew out the left front tire, stopped to change
> it.
>
> Somehow we got through the three days without hitting anything, and it even
> included a distillery tour, a steam train ride, and a night in Glencoe,
> where my ancestors got massacred in 1692.
>
> Carleton
>
> P.S. When we got back to San Francisco we went to the store and Susan
> bought soup; I told her to put the Campbell's soup back on the shelf!
>
>
>
> -----Original Message-----
> From: owner-u...@colostate.edu [ mailto:owner-u...@colostate.edu] On Behalf
> Of Paul Trusten, R.Ph.
> Sent: Monday, March 09, 2009 21:02
> To: U.S. Metric Association
> Cc: U.S. Metric Association
> Subject: [USMA:43620] Re: Jerry's questions
regarding "imperial" fuel & fish
> sales in the UK.
>
>
> Ah, but the rule of the road is in the eye of
the beholder. Left-siders must
> think the rest of the world has it backwards.
>
> Quoting Brian J White <br...@bjwhite.net>:
>
>>
>> I think you brits should also fix your cars and
>> roads so you drive on the correct side of the road. But that's just me.
> :)
>>
>>
>> At 15:54 2009-03-09, Stephen Humphreys wrote:
>>>Sorry à - I think you might have the wrong person.
>>>I'm not anti-metric - I'm a pro-choicer.
>>>
>>>The most 'extreme' views I hold on the subject regards safety....
>>>
>>>I have always said and always been firm that:
>>>
>>>1) Road signs should stay imperialÃ
>>>2) Medicines and chemist goods should always be metric
>>>
>>>Both of these relate to safety concerns.
>>>
>>>For most other things (in fact prob all) I
>>>prefer the dual route or a flexible degree of choice.
>>>
>>>This may put me at odds with many on this list
>>>but I'm always truthful and up front about it
>>>and as many many have said it is healthy to have
>>>a contrary view here for purposes of debate.
>>>
>>>With regards to the USA - I actually believe it
>>>should be more metric than it is.
>>
>>
>>
>
>
> --
>
>
>
> Paul Trusten, R.Ph.
> Public Relations Director
> U.S. Metric Association (USMA), Inc.
> <http://www.metric.org/>www.metric.org
> 3609 Caldera Boulevard, Apartment 122
> Midland TX 79707-2872 US
> +1(432)528-7724
> <mailto:trus...@grandecom.net>mailto:trus...@grandecom.net
>
----------
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