[NJARC] A few general things...

[JOE CRO]

Scott,
         The original Heathkit "Cantenna" used oil that was PCB laden. A lot 
of these original cantennas still exist. If you accidentally get any of the 
oil on your skin, it could be a cancer risk.

Another problem (that you probably won't have). The Cantennas are rated at 
1KW for a very limited period of time. If you pump more than that into it 
for a prolonged period of time (as yours truly has), the oil inside the can 
will actually start to boil, causing pressure, and will eventually blow the 
top off the can causing boiling carcenogenic oil to spread all over the 
room. Needless to say this can be a safety hazard. The lid has a safety vent 
on it that can become clogged over the years, hence forth the build up of 
pressure inside.

I don't have a spare "Cantenna", but you're welcome to borrow the one I have 
for your testing purposes. If you'd like to use it whilst testing your 
equipment, please let me know. The oil inside has been replaced with newer 
oil - hi!

Mod-U-Later,
                     Joe Cro N3IBX


----- Original Message ----- 
From: "Scott Roberts" <ng19delta at yahoo.com>
To: "New Jersey Antique Radio Club" <njarc at mailman.qth.net>
Sent: Thursday, October 18, 2007 5:46 AM
Subject: Re: [NJARC] A few general things...


> Visit our web site - See http://www.njarc.org
> _______________________________________________
> Problems/danger? What problems/danger?
> Scott
>
>
> --- John Dilks K2TQN <oldradio at worldnet.att.net>
> wrote:
>
>> Visit our web site - See http://www.njarc.org
>> _______________________________________________
>> At 11:20 PM 10/17/2007, you wrote:
>> >Does anyone know how I can build a decent facsimile
>> of
>> >a Heathkit "Cantenna" dummy lod? I know most of the
>> >bits, but what is the main resistor? I can download
>> >the manual from BAMA for the othr parts and
>> >instructions, but the resistor has me in a
>> quandary...
>>
>> Scott,
>>
>> You can find a good used dummy load without any oil
>> in it for under
>> $100.  So why take a chance with oil and it's
>> problems/danger?
>>
>> 73, John Dilks, K2TQN
>>
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