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Author Topic: soldering  (Read 251 times)
N5AUA
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Posts: 7




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« on: June 12, 2004, 02:58:52 PM »

What watt soldering iron is required for pl259 work and then board work......also soldering to copper ground strip.....thanks...
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N5KBP
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Posts: 287




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« Reply #1 on: June 12, 2004, 03:13:34 PM »

For PL-259's and heavy stuff I use a Weller 150 Watt gun. For board work I use a 25 watt pencil.
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K7KBN
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Posts: 2765




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« Reply #2 on: June 12, 2004, 03:49:17 PM »

No guns - a gun doesn't have enough mass in the tip to transfer the heat quickly.  I use an American Beauty 100 watt iron with a chisel tip that fits perfectly in the groove of a PL-259.  Plenty of mass to transfer the heat almost instantly and hold it there.  Plus, the tip of a gun has an intense 60-hz magnetic field around it that can destroy sensitive devices if there are any lying about.

Use good rosin-core solder, 60% tin at least.  63% tin is better.  It's advertised as 63/37 Eutectic solder, and Radio Shack used to carry it - might still.  Use the heavier stuff, like 0.050" diameter or maybe a little larger.  Any flux residue can be removed with rubbing alcohol.  It probably won't hurt to leave it, but it will collect moisture.
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73
Pat K7KBN
CWO4 USNR Ret.
K7KBN
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« Reply #3 on: June 12, 2004, 03:51:32 PM »

My previous post obviously refers only to PL-259 work.  DON'T use that large an iron on circuit boards!  Depending on the size of the work to be done, a ten-watt iron might be perfect.  Or a 25-watt iron - as I said, it depends on just what you're doing.
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Pat K7KBN
CWO4 USNR Ret.
KE4MOB
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« Reply #4 on: June 12, 2004, 04:04:37 PM »

For my all my antenna work I use an old Weller D-225 two stage gun...something like 235 and 340 watts depending on how far you pull the trigger.

For board work I use a Weller Portasol butane pencil with the optional 0.8 mm (I think) tip.
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W6GF
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Posts: 161




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« Reply #5 on: June 12, 2004, 08:45:01 PM »

Get a good tip temperature controlled weller iron and you can actually us it for both.  just use different size tips.  using the weller outside in -20 temperature on pl-259 connection may not be practical, using it indoors is.  you can make good conncetions with low wattage irons on pl-259 and you reduce the risk of damaging the insulation with exceeive heat.  for pc boards and small job get a whal cordless iron they are great.
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K1CJS
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« Reply #6 on: June 12, 2004, 09:37:19 PM »

A gun will work to solder PL 259 connectors if you know how to use one.  In fact, it could be considered better--no big heat concentration to melt the inner foam dielectric.

Those who say soldering guns are no good just don't know how to properly use a gun.
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N6AJR
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« Reply #7 on: June 12, 2004, 10:21:38 PM »

I use a gun for pl-259 and a pencil fo all board work, and for copper sheet stuff ya mite need a torch
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VE1IDX
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Posts: 141




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« Reply #8 on: June 12, 2004, 11:36:21 PM »

I use a Weller D-550 gun with dual stage heat at 240 and 325 watts.It only takes a couple seconds to do PL-259's.For board work 15-25 watts is usually adequate but some realy old thicker boards need a 45 watt iron sometimes.For soldering copper sheet I find a propane torch with a soldering tip adapter is great.Lots of mass and great heat without the direct flame.
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AA4PB
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Posts: 12695




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« Reply #9 on: June 13, 2004, 08:16:39 AM »

I've been successfully using a Weller D550 gun for PL-259's for many years. I use a Weller temperature controlled soldering station for PC board work.

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