[Heathkit] Dummy Juice

[Richard Franzson]

I have a Heath Cantenna with a gallon of mineral oil. After all these
years (20) the mineral oil has not given me a problem.

Tnx,
Rich KE2VM

>>> Kim Herron <kherron at voyager.net> 4/3/2005 12:00:28 PM >>>
Hi George,
>How much over the dry rating can the load resistors be pushed in oil?
>If I use a hundred watts worth of resistors in parallel, what are they

>capable of dissipating in an oil bath?

      The resistor that Heath used in its dummy is a 100 watt resistor.
 In 
the oil bath
it will dissipate 2KW for 2 minutes.  The older Heath cans had a chart
on 
the side to give you those figures.
I believe that the ARRL had a load in a handbook sometime back that was

built around 2 watt resistors
and would handle the same kind of power.  You can get a resistor from 
Mouser that will do the job without all that
soldering and fabrication.



>Anyone, any  other thoughts on compressor oils?
>I have one that needs oil and was thinking of transmission fluid.
>I want something that's inexpensive (cheap) and found locally.
>To buy a gallon of special oil with shipping it might end up cheaper
to 
>find another load.
>Thanks, George KB2Z
>
>
>At 01:29 PM 4/3/05 +0000, you wrote:
>
>>Go to your local AutoZone, or what ever you have there, and get a
gallon 
>>of compressor oil. Non flammable and cheap. Been using it in my
cantenna 
>>now for several years. John
>>
>>John Page K4KWM
>>Hollow State since 1953
>>(ex W8PKU,N8BLB,NA8O)
>>
>>
>>
>>>From: "guy driver" <guydriver at msn.com>
>>>To: Heathkit at mailman.qth.net
>>>Subject: [Heathkit] Dummy Juice
>>>Date: Sun, 03 Apr 2005 02:40:37 +0000
>>>
>>>Seems as though after nearly thirty years and a couple of moves my
Dummy 
>>>Load (Heathkit) has lost some of its juice.  What, pray tell, should
I 
>>>fill it back with??
>>>Thanks again and 73   wr7k   guy
>>>
>>>
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>>
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Thanks!!

Kim Herron  W8ZV
1-616-677-3706
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