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Re: [TowerTalk] Oil for Dummy Load

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Oil for Dummy Load
From: "Joe Subich, W4TV" <lists@subich.com>
Date: Sun, 29 Nov 2015 14:19:10 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>

Check the properties of peanut oil before you use it.  I can't quickly
find the breakdown voltage for peanut oil ... dielectric constant is
slightly higher (3 vs. 2.2) and dissipation factory almost 10 times that of mineral oil but it may not be an issue in this application.

Some of the literature seems to suggest Canola oil but Soy oil seems to
be the base of choice as "eco friendly" replacements for mineral oils
(e.g. Envirotemp FR4).

73,

   ... Joe, W4TV


On 11/28/2015 12:25 PM, Pete Smith N4ZR wrote:
My Cantenna-type dummy load developed a pinhole leak in the can, and all
the mineral oil drained out.  I have several gallons of clean (unused)
peanut oil left over from Thanksgiving.  Is there any reason not to use
this instead? From internet sources, the flash point appears to be
higher than mineral oil.

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