Miata Mailing List: November 1997, Message #41
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From: 	"Reijo Silvennoinen, P.Eng." <rase@direct.ca>

Subject: Re: Oil Pressure guages in Europe & 2X4's - NMC

Date: 	Sat, 1 Nov 1997 11:39:53 +0000



John Freas wrote:



> Previously on OPG in Europe, Jeff Anderson <janderso@erols.com>

> said...

>

> > I agree, but what is it if it's a 2x4 stud now?  Some things just

> don't

> > convert that easy.

>

> I have a sneaking suspicion that they probably use 2x4s in .au, .nz,

> .be,

> etc.  I'm sure they have some identifying name for them, although it

> may

> not be based on the dimensions of the stud (like A4 paper).

>

> The truth is that 2x4s aren't 2"x4" anyway.  IIRC they are something

> like

> 1.75 x 3.75.  Why?  I don't know, probably to save money.  Bottom

> line, who

> cares what it's called?  If you know that it measures 1.75"x3.75", or

> 14.6cmx31.25cm why not just call it a stud?  Yeah, you probably have a

>

> decision to make; do you use a fractional literal conversion, or do

> you

> round and change the dimension?  For new construction you could use

> the new

> standard.  If you intend to mix and match it might be more difficult,

> but I

> don't know how often that would happen, probably not often enough to

> make a

> difference.

>

>         -John

>



  John,



Here in metric Canada we still use the same old 2X4 which has always

measured 1.5" X 3.5".  The missing 1/2" results from the rough 2X4

(which measures 2"X4") being planed down at the mill so we won't get

slivers in our fingers....  Upon metrification, the humble 2X4 became

known as 38X89, mm that is, which are the actual dimensions.  We still

often refer to them as 2 by 4's....



However, there is some true metric plywood available.....



--

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