Neither one is proper. The 7A won't hold unless you lower the xmit power,
and the 20A is a bit over the normal operating current.
I modified the one I had for my Argosy, after I got the Scout,(about 9A) by
unwinding some turns from the magnetic coil, thereby increasing the trip
current to 14 A.
You might do this modification to the 7A unit, if something better can't be
This seems to be about right for the Scout, considering Collector Current
variations with SWR shifts as the mobile antenna passes overhead wires or
At 06:22 AM 8/5/99 -0700, you wrote:
>Which airpax breaker works for the Scout, the 7 amp or
>the 20 amp.
>--- Phil Cuellar <email@example.com> wrote:
>> The advice I followed was as prescribed by Ten Tec
>> and a few others on the
>> reflector. I called Wards Electronics in Florida
>> ((800) 545-9273) and asked
>> for an Airpax T-11 20 amp fast acting breaker.
>> (Wards apparently specializes
>> in Marine electrical systems, and these Airpax
>> breakers seem to be popular
>> with them.) The sales person at Wards knew exactly
>> what I was talking about
>> and was helpful in completing my order. Price quoted
>> was about $15 plus
>> around $4 shipping to Ohio.
>> Research by me at the suggestion of others revealed
>> that Surplus Sales of
>> Nebraska also sells Airpax breakers, but I was
>> unable to ascertain if the 20
>> amp Airpax listed on the web site was a fast acting
>> breaker. For that
>> reason, I decided to follow the advice of Ten Tec,
>> and called Wards. I may
>> be able to offer more info on this once I get the
>> breaker from Wards in-hand
>> for comparison.
>> KB8TRK - Phil
>> ----- Original Message -----
>> From: Steve Ellington N4LQ <firstname.lastname@example.org>
>> To: Phil Cuellar <email@example.com>
>> Sent: Wednesday, August 04, 1999 6:40 PM
>> Subject: Re: [TenTec] Replacement for TT 1140
>> circuit breaker?
>> > SO what was the answer? Let us know.
>> > Steve N4LQ
>> > ----- Original Message -----
>> > From: Phil Cuellar <firstname.lastname@example.org>
>> > To: <email@example.com>
>> > Sent: Wednesday, August 04, 1999 4:41 PM
>> > Subject: Re: [TenTec] Replacement for TT 1140
>> circuit breaker?
>> > >
>> > > Thanks to all who replied concerning the 1140
>> circuit breaker. I now
>> > > one on order. The response really surprised me,
>> including the first
>> > response
>> > > after TWO minutes, and a reply from the factory.
>> This is surely one of
>> > > best groups of hams found anywhere.
>> > >
>> > > Thanks and 73,
>> > > KB8TRK - Phil
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