[AMRadio] Dummy Load


W5OMR/Geoff w5omr at satx.rr.com
Tue May 2 07:50:52 EDT 2006


RoadKing wrote:

> Rick,
> Plastar sells a very NICE  5kw Dummy Load using Large Capacitors!  
> Well built and should do the trick even has a fan inside to keep 
> things cooled down!
>
> Or you could buy you a  five gallon pail of Mineral oil, take a 
> heating element from a hot water heater, check the impedance, they are 
> NOT all the same. install this down into the Oil, with the proper 
> connector attached and 'Voila' you have a gigantic DUMMY Load.
>
> Tony/W5OD


A good, old Heathkit Cantenna would hold a kW, but I don't remember for 
how long.

As Tony said, you can take the element from the Heathkit Cantenna, and 
dunk it in 5x the oil.  Cantennas do take a lot, but I've seen one boil, 
with a kW into it, for 5 minutes.

--
73 = Best Regards,
-Geoff/W5OMR





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