Great job Al...thanks for that info..gonna try to do a similar check on my
38 Special...nice outline..
----- Original Message -----
From: "Al Gulseth" <wb5jnc@centurytel.net>
To: <tentec@contesting.com>
Cc: "John" <jh.graves@verizon.net>
Sent: Saturday, April 28, 2012 8:04 PM
Subject: Re: [TenTec] Argosy on Battery
> If you want to be on the safe side and protect the final amplifier
> transistors, get the proper fast-acting breaker (sorry, I don't have the
> Airpax number handy, but I might be able to find it if you need it). The
> breaker can also be used as a switch (the front panel switch isn't husky
> enough to handle the DC current on transmit, at least on high power.)
>
> As to the question about whether the 7AH battery is enough capacity,
> here's a
> link to a spreadsheet you can download to calculate battery operating time
> (courtesy of a good friend of mine, WA0ITP, of the Four State QRP Group):
> http://www.wa0itp.com/battcalcrev12aug2001.xls
>
> TNX/73, Al
>
> On Sat April 28 2012 3:02:59 pm John wrote:
>> I am planning on taking my Argosy on the road this summer and will need
>> to make a new connection to utilize a 7 Ah battery (removed fire
>> detector stock.) Do I need to put a switch and current limiting in line
>> in this application or can I just utilize a 4 pin mate-N-Lock connector
>> using just the power connections. What have others done in regards to
>> portable power for the Argosy? If I stay at 5 watts is 7 amp hours
>> enough capacity?
>>
>> As an aside, I am also putting together a portable vertical that will
>> cover 60M to 10M with enough adjustment range that a tuner will not be
>> required (AD5X design.) I am looking forward to seeing what I can do at
>> QRP power at lunch stops, rest stops or even radio stops.
>>
>> -- John / WA1JG
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