Re: [APML] Home made Dew Shield?

["Monte Wilson" <montezinho@bigpond.com>]

All I know is the stuff I used is 14ohms per metre. So I guess you might
want 4ohms per foot. The slightly thicker wire will be easier to work with.
I would call them and tell them what you are doing they will have some
thoughts.



----- Original Message -----
From: "Roland Roberts" <roland@astrofoto.org>
To: <astro-photo@seds.org>
Sent: Wednesday, August 14, 2002 5:30 AM
Subject: Re: [APML] Home made Dew Shield?


> >>>>> "Tim" == Tim Hart <Tim.Hart@haworth.com> writes:
>
>     Tim> That is VERY cool!  I've even found a supplier!!
>     Tim> http://www.wholesalepartsandfilm.com/wire.asp
>
> Okay, so where do I find specs for Nichrome wire?  In particular, this
> supplier has wire from 0.032" to 0.040" and some specified as "soft"
> others as "1/2 hard".
>
> Then there is also Nichrome ribbon....
>
> I'm assuming there is a resistance value of the form
> ohms/(cross-section x length)  that I can use to calculate the
> resistance of my wires....
>
> roland
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