[TowerTalk] Dummy Load Rating

[Mike Fahmie]

Wouldn't the duty cycle be independent of the CW speed (assuming the same data being sent)?-Mike-

      From: RMorris <robrk at nidhog.net>
 To: "john at kk9a.com" <john at kk9a.com> 
Cc: "towertalk at contesting.com" <towertalk at contesting.com>
 Sent: Friday, December 4, 2015 11:29 AM
 Subject: Re: [TowerTalk] Dummy Load Rating
   
I pulse tune (CW dots) , most of the time, using a scope and get a "feel" for the meter readings.
A Bird 43 being extra slow. Think I read or try the math, that 20 wpm is about 30% duty cycle.
Key down to get the real meter numbers and tweak for 2 seconds.
Put your hand or your cat on top of the dummy load and when you get a funny smell.......


Sent from my iPad

On Dec 4, 2015, at 13:41, "john at kk9a.com" <john at kk9a.com> wrote:

> I have a couple of Bird dummy loads, one is rated at 500 watts and one is
> 1000 watts, continuous duty. I have never seen an intermittent duty
> rating.  Does anyone have an idea how much power these can safely handle
> for a short duration?
> 
> John KK9A
> 
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