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Re: [TowerTalk] HN-31 Heathkit Dummy Load

To: <jcowens@NETSCAPE.COM>, TowerTalk <>
Subject: Re: [TowerTalk] HN-31 Heathkit Dummy Load
From: Jack - K4WSB <>
Date: Tue, 04 Apr 2006 13:22:37 -0400
List-post: <>
According to the manual the HN-31 is rated at 1kw.
Duty cycle is 10 minutes using transformer oil & about 2 minutes using 
mineral oil
Check with your local power company.  If you go to the facility that 
handles the transformers you can usually get a fill up at no charge.

At 09:22 AM 4/4/2006 -0700, jcowens@NETSCAPE.COM wrote:
>Is anyone familiar enough with the HN-31 Heathkit Dummy Load (History 
>Lesson)to know how much power you can run to this thing in other than "key 
>down". I don't know if it has transformer oil or Mineral Oil in it. Will 
>it handle 1500W on a 50% duty cycle for a short time?? Does anyone know 
>where I can buy transformer oil, or has OSHA outlawed it by now??
>John Owens - N7SEJ

Jack Hartley
DXCC Honor Roll


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