If you want to try it, look for "any brand" of non-detergent REALLY cheap-o
engine oil. Personally, things get so cheap sometimes you just can't afford
it.
73,
Gary...wa6fgi
----- Original Message -----
From: "Larry Carman" <lncarman@swbell.net>
To: <VE6TR@telus.net>
Cc: <amps@contesting.com>
Sent: Tuesday, February 28, 2006 3:10 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.
>
> Regards,
> Larry N5BIP
>
>
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com] On
> Behalf Of VE6TR@telus.net
> Sent: Tuesday, February 28, 2006 4:31 PM
> To: Dave Haupt
> Cc: amps@contesting.com
> Subject: Re: [Amps] Vegetable oil dummy load
>
> Interesting bit of information. What are the reasons that engine oil
> (lets
> say
> straight 30 weight) is also not considered acceptable?
>
> Rob - VE6TR
>
>
>
> Quoting Dave Haupt <emailw8nf@yahoo.com>:
>
>> IMO, vegetable oil is a marginal idea at best. By
>> unfortunate experience, I have learned that it does
>> several things that are quite unpleasant:
>>
>
>
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