Re: [TCML] Determining wire gauge?

[<mrapol@xxxxxxxxxxxx>]

----- Original Message ----- 
From: "dave pierson" <dave_p@xxxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Wednesday, December 01, 2010 11:54 AM
Subject: Re: [TCML] Determining wire gauge?


> >Is there a reliable method for determining the size of unknown magnet 
> >wire?
>
>    Normal:
>    Lay hands (net search?) on a
>     Copper Wire Table
>    .
>    This will list the diameter.
>    And one would need a micrometer/caliper/etc.
>    Borrow one?
>    (I admit there will be ifness from the insulation...)
>
>    http://library.bldrdoc.gov/docs/nbshb100.pdf
>    picked at random.  (OK: I have such tables, in books, but I'm
>    'weird'.)
>
>    (Yeah: string a long chunk out and try to measure the resistance...
>     iffy.  Still need the tables.)
>
>    I guess one could 'close wind' 10 to 20 turns and try to use a ruler...

I think I'll try this. I have calipers, but they are too coarse to measure 
anything as fine as this wire.

>    One can weigh it (back to the wire tables...
>    And need to know the length.)

I might try this to corroborate the other method. Thanks.

PBT 

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