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Re: [TenTec] Argosy on Battery

To: tentec@contesting.com
Subject: Re: [TenTec] Argosy on Battery
From: Al Gulseth <wb5jnc@centurytel.net>
Reply-to: wb5jnc@centurytel.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sat, 28 Apr 2012 19:04:02 -0500
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
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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