[TowerTalk] Cable on a reel using a formula?

[Reicher, James]

Actually, pi are juicy and cornbread are dry. :)


The formula is (2(pi*r) * t where r = radius and t = # of turns.
To get the correct length, you'll have to measure the radius of the core
of the wire for each layer. 

You might also try looking up the specs and get the weight of the cable
per foot and the weight of the spool.  Weigh the loaded spool; subtract
the weight of the spool, leaving the weight of the cable.  Divide the
total weight of the cable by the weight per foot and, voila!  You have
the number of feet on the spool.

73 de N8AU, Jim in Raymore, MO


Date: Thu, 6 Oct 2005 15:34:44 EDT
From: TexasRF at aol.com
Subject: Re: [TowerTalk] Cable on a reel using a formula?
To: mattpatt at 1starnet.com, aa6eg at hotmail.com,
	dolanmorrison at tiscali.co.uk, towertalk at contesting.com
Message-ID: <201.ba5c70a.3076d654 at aol.com>
Content-Type: text/plain; charset="US-ASCII"

 
Who said: pi are round; cornbread are squared?
 
Circumference= pi times diameter. Length= circumference times number of

turns.
 
73/k5gw
 
 
In a message dated 10/6/2005 2:04:12 P.M. Central Standard Time,  
mattpatt at 1starnet.com writes:

Isn't  the formula pi * radius(squared) * the number of turns what you
need?

Been a long time since I did any  geometry...


Matt