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Old 03-14-2006, 09:49 AM   #1
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Default wire guage and soldering.

will different gauge wires cause any effects, ie: 15ga wire from esc to 13ga wire for motors? also, i plan on using the deans connectors, i have some sort of rosin core solder at home that came with my cold heat wireless soldering iron, is it necessary to use the deans racing solder? thank you...
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Old 03-14-2006, 10:10 AM   #2
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With wire gauges, the smaller the number - the larger the diameter. for instance - 12 AWG wire is 0.0808 inches in diamter, and 14 AWG is 0.0640 inches. Also, thicker wire will have less resistance. So a thinner wire with more resistance will heat up more than a thicker wire would. 12 gauge wire seems to be a pretty common selection for RC use, but I am sure you could get away with using a step higher or lower.

With the Deans connectors, you should be able to use the solder you have, as long as it is rosin core. You shouldn't use acid core solder on electrical connections. And with thicker wires like ones you would use for wiring motors, you may need a "standard" soldering iron. The Cold Heat may not be able to put out enough heat quickly enough to do the job well.
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Old 03-14-2006, 10:34 AM   #3
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i'm aware of gauge ratings as far as smaller gauge/thicker wire and so on, i just didn't know if it would be a concern going from the thicker esc wires to a smaller thickness to the motors. thank you for your help.
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Old 03-14-2006, 12:07 PM   #4
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you wont notice any difference between a 16awg and a 12awg in performance or heat. most of the resistance in a ciruitry comes from electrical components and poorly soldered connections, not from the wire itself (maybe milliohms). you will have to use a soldering iron instead of the cold heat to get the job done properly
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Old 03-14-2006, 12:27 PM   #5
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Quote:
Originally Posted by Frakk
you wont notice any difference between a 16awg and a 12awg in performance or heat. most of the resistance in a ciruitry comes from electrical components and poorly soldered connections, not from the wire itself (maybe milliohms). you will have to use a soldering iron instead of the cold heat to get the job done properly
^^ Good info

Typically you just dont want to go from larger to smaller, so if the wires on the esc are larger then the wires on the motor then thats not to good. Will you notice a difference? maybe, maybe not, the wires may get a little bit hotter.

I use 60/40 rosin core solder.

Also you will need a real soldering iron/station. I heard that cold heat thing sucks and one of the guys at the dealer had it and it didnt work for anything. I suggest getting a nice 60 watt weller or something with a large tip.

This is what I use
http://www.circuitspecialists.com/pr.../full/7307.jpg

http://www.circuitspecialists.com/prod.itml/icOid/7307


-Mike
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