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Re: [Amps] Vegetable oil dummy load

To: Larry Carman <lncarman@swbell.net>
Subject: Re: [Amps] Vegetable oil dummy load
From: "m.ford" <k1ern@direcway.com>
Date: Tue, 28 Feb 2006 18:26:08 -0500
List-post: <mailto:amps@contesting.com>
----- Original Message ----- 
From: "Larry Carman" <lncarman@swbell.net>
To: <VE6TR@telus.net>
Cc: <amps@contesting.com>
Sent: Tuesday, February 28, 2006 6:10 PM
Subject: Re: [Amps] Vegetable oil dummy load


> 
> According to Vectronics, motor oil does not have a sufficiently high
> vaporizing temperature and will cause excessive vapor. 
> 
> I found the following quote on eHam:
> Motor oil is not recommended (at least not for long term use,) as the
> volatility and flash point is often lower than mineral oil, and the
> additives will corrode the structure of the resistor used in the dummy load.
> (ARRL Handbook, 1988, CHapter 34, page 22-23.)
> 
> I was once told that there was a brand of motor oil without additives that 
> Worked very well in dummy loads. I have no idea what brand it was. 
> 
I'm just guessing here, but I would not be surprised if it were Marvel Mystery 
Oil.

Mike k1ern



> Regards,
> Larry N5BIP
> 

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