Mailing List flyrotary@lancaironline.net Message #30270
From: Chad Robinson <crj@lucubration.com>
Subject: Re: [FlyRotary] Re: Radio noise saga
Date: Thu, 16 Feb 2006 09:14:19 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Bobby J. Hughes wrote:
I would bet you found the problem. DC power leads should always be run
as a pair. A nice uniform twist is also good but I do not remember how
many twist per foot is recommend.

Twisted pair only reduces noise in signals transmitted THROUGH the wire, and it only works if the receiver uses a differential signal. It doesn't help with power wires. The curious can drop by:

http://www.duxcw.com/digest/Howto/network/cable/cable4.htm

It's a fairly good, brief description of what goes on. You'll usually only find twisted pair in LAN cabling.

Regards,
Chad
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