dennis.glaeser(at)eds.com
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 Posted: Mon Feb 27, 2006 12:56 pm Post subject: No Title |
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Richard,
I built my CreativeAir lights last month. I think a 15 watt iron may be
a bit light. I used a 40 watt and had no problems - solder flowed
through the board just fine. I suspect that your iron doesn't have the
energy to heat the joint properly without excessive dwell time.
Dennis Glaeser
RV-7A
I'm building the Creative Air LED nav light kits, working on the LED's.
So here's what I am doing. First I clean up the boards and LED leads
with alcohol. Put them in the boards & bend the wires. Tin the iron.
It's a 15 watt iron. Put the iron on the connection, then apply the
solder. Bill says the LED's are heat sensitive and to only hold the iron
on them a couple seconds. Half the time the solder doesn't penetrate the
board, so I only have a cone of solder on the lead on one side of the
board, the side I am soldering on. To try to fix it, I try to solder it
again. If that doesn't work (it rarely does), I remove most of the
solder using the iron and a clean cotton swab to absorb the solder & try
again. Rarely works. Some of these I try a dozen times & still no joy.
How can I get a good soldered joint with a cone of solder on both sides
of the board? I have been told that that's what I need for a good joint.
Maybe that guy was wrong? Richard Scott RV-9A
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