On 01/21/2011 07:45 PM, Rroger (K8RI on TowerTalk) wrote:
> On 1/21/2011 4:02 PM, Mark Robinson wrote:
>> You really need two soldering irons for the job. A smaller iron to solder
>> the inner pin and then a big 100 watt iron to solder the outer jacket.
> Just one big one that gets hot fast. It has to be in and out quick. A
> deft touch with the 225 watt Weller will do both the barrel and the
> tip. However when soldering the barrel there is a lot of mass that has
> to be heated hot enough for the solder to flow. The problem usually is
> not enough heat instead of too much. If the gun/iron doesn't get hot
> enough to melt the solder quickly the barrel gets so hot overall it
> melts the dielectric before you can solder the braid.
Even a 40W iron seems to work fine, as long as it has
a real heavy tip.
Between soldering the different holes I need to turn
the LMR-400 around anyway, which gives the iron time
to heat back up to a good temperature :)
I guess a much more powerful iron would probably be
even easier...
--
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