[time-nuts] 1" 14 tpi UNS die

[David C. Partridge]

As it would appear to an expensive option to purchase the appropriate dies
"over here", and as the pipe is soft alloy, I've just reduced its diameter a
bit so it's an tight push fit in the antenna base (for now) - though still
hoping to find a good solution with spending lots of dosh!

Thanks to all
Dave 

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of GandalfG8 at aol.com
Sent: 07 July 2009 18:54
To: time-nuts at febo.com
Subject: Re: [time-nuts] 1" 14 tpi UNS die

 
In a message dated 07/07/2009 18:43:55 GMT Daylight Time,
Arnold.Tibus at gmx.de writes:

I have  the same problem with several GPS antennas, a Quadrifilar from
Raytheon, Irvine 2640NW with mounting base, HP 58532A with mounting base, HP
58504Ac. etc. Some complete boxes from HP do contain an adapter.
So this  thread is definitively a kind of standard. The thread is fully
cylindrical,  all the plumbers tubes do use conical threads which are not
compatible.  Very difficult to find proper solution in the metrical Europe.
If I would  find a source of that HP-adapters I would buy 4 units.
I did not check for  the correct naming of this thread though.


---------------
As commented previously, this is a common fitting and fairly standard  for
GPS antennas and some other antenna kit, especially in a marine
environment.
 
A variety of adaptors is available from marine suppliers ranging from
expensive stainless steel fittings to much cheaper plastic, they are also
regularly listed on Ebay.
 
However, there doesn't seem to be anything readilly available  which has a
collar to sit over a plain pipe, which I suspect might  meet David's needs.
They are widely available with a flange fitting, for mounting to flat
surfaces, or rail fittings to attach to horizontal deck rails, but perhaps a
trawl through some of the marine suppliers might throw up something else
that could do the job without the need for threading the end of the pipe.
 
regards
 
Nigel
GM8PZR
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