WattFlyer RC Electric Flight Forums - Discuss radio control eflight - View Single Post - Motor lead damaged, soldering an extension?
Old 10-30-2013, 11:51 PM
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Join Date: Mar 2009
Location: Aberdeen, Scotland
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If you shorten the motor wires it's very difficult to solder to them because the wires consist of multiple hair like strands each coated with high temperature insulating lacquer that's very hard to remove. No solvent that i know of will remove it. The solder will not make a good joint unless this lacquer is completely removed. The end of the wire where the bullet attaches has the lacquer removed in the factory to allow soldering but if you remove that part you have a problem.

One way that I've heard is supposed to work is to use an Aspirin. You place the end of the wire on the Aspirin and heat with a soldering iron. the hot Aspirin generates a strong acid that removes the lacquer, but at all costs avoid breathing the fumes.
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