The continuity is made by the connector body shorting between the two
shanks of the gun. The connector is heated by the current flowing
through it (P=I²R). I found replacement tips for my ~50-year old
Weller gun at Radio Shack about 5 years ago.
Bob, N7XY
On Nov 23, 2006, at 8:39 AM, Tom McCulloch wrote:
Hi Stuart,
Thanks for the tip (no pun intended) on taking off the tips from
the Weller gun. Does electrical continuity need to be made between
the two shanks in order for the gun to heat up?
Also does anyone know where to buy replacement tips for the Weller
Gun (actually mine is a radio Shack, but it looks the same).
Thanks
tom
wb2qdg
k2 1103
So two atoms were walking down the street, when one of them
shouted, "Shoot, I just lost an electron!" "Are you sure?" the
other one asked. "Yes," he replied. "I'm positive."
----- Original Message ----- From: "Stuart Rohre"
<[EMAIL PROTECTED]>
To: "Bill W5WVO" <[EMAIL PROTECTED]>; <[email protected]>
Sent: Wednesday, November 22, 2006 4:43 PM
Subject: Re: [Elecraft] Soldering PL-259s (WAS: Fw: RG-213 BNC
connector)
If you have the 1950's style Weller or Wen Soldering guns that
were about 100 watts, (some were more), you can take off the tips
and use the shanks to butt up to the PL 259 type UHF inner shell,
when you solder the little holes to the shield of the coax.
You should pretin the shield where the holes are going to be over
that area, to give something for the added solder wire to easily
adhere to when it reaches the plastic, (Eutectic) state. Get both
shanks onto the shell near the hole you are soldering to rapidly
heat up the shell. Let the shell /hole edge melt the solder.
Stuart
K5KVH
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