[AMRadio] Coleman Powermate "Cold Heat" Soldering iron

George KB2Z Thermionic_Emission at earthlink.net
Sun Jan 15 10:43:03 EST 2006

Hi Jim,
2 amps at 4 1/2 VDC sounds like a lot of juice.
George KB2Z

At 10:05 AM 1/15/06, you wrote:

>   Hi All,
>     I received one of these soldering irons for Christmas. I've long seen
>the ads, and wondered if this device would be a useful addition to my ham
>shack. They take 3 "AA" batteries, and I had 3 freshly charged 2000 ma / hr
>NIMH batteries handy. The device appears to have a graphite split tip such
>that no current flows until something conductive is put into the gap. I
>tried solder, and had to wiggle it around to make connection, and then yes
>it did melt briefly until the blob fell out opening the current path. Next
>step was to solder something. I tried to unsolder a wire from a PCB. I had
>to change angle to get the connection, and the pad warmed, cooled, warmed,
>cooled as I moved the iron to regain the connection. After about 30 seconds,
>no more heat...just cold heat I guess. I looked at the tip, and plastic from
>the tip mount had melted and filled the gap between the graphite elements.
>The tip was shot!
>    Right now my Coleman soldering iron is in the trash can alongside my
>Tornado fuel saver. %^$^%$*^&^%*$*$
>Don't waste your money on this soldering iron...
>Jim Candela
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