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Old 11-09-2003, 02:46 AM   #1
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Default Guage Wire used on Speedo

Hello, I am wondering whether or not there is any merit in running larger wires on the esc to the motor, and to the batteries... or should i already have 12 guage on there?

i am using a nosram dominator power, and lrp quantum comp..

i use the nosram in touring car stock (one day mod.. one day.. .. .. ) and the LRP in 12th scale 4 cell mod... they both currently have the standard 16guage.. ( i think) wire on them..

shoudl i go bigger? or no?

thanks

Rob Storey
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Old 11-09-2003, 06:45 AM   #2
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i had a lrp v7.1 and it had 16 guage on it...when i re wire it my LHS told me to use 12 guage...i didn't really see or felt any difference...or maybe there is but can hardly notice it...but they said less resistance...
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Old 11-09-2003, 10:50 AM   #3
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On your TC you can if you feel it is necessary...but on the 1/12th keep the smaller wires, thicker wires can actually bind the suspension and cause handling issues.....
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Old 11-09-2003, 11:21 AM   #4
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smaller wire does have less resistance, but you must not go too small, otherwise power will be lost. Also, choosing a smaller wire is just neater, as in it gives your car a cleaner look, and gives you more room to work. A larger wire also has a better chance of touching something hot, or moving. I had big wires on my old pro3, and they were rubbing on a metal rod. The insulation burnt through, and it shorted out my battery. With a smaller wire, i could find a nice little place to zipp tie it.
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Old 11-09-2003, 11:57 AM   #5
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Quote:
Originally posted by pro3racer
smaller wire does have less resistance, but you must not go too small, otherwise power will be lost.
Um..no. Smaller wire has more resistance.The reality of it is that with the voltage levels seen in RC cars, 14-16AWG is just fine for almost every use. The difference between 16awg and 12awg is so small it gets lost when compared to the inefficiency of 540 motors (50% if you're lucky) or imperfect driving (a few inches off the ideal line).

-dave
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Old 11-09-2003, 12:15 PM   #6
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i personally like smaller wires cuz they look a lot better on a 12th car, i see a lot of really good drivers at my track uses small wires. i was thinking its because for lightweight.

where could you find 16awg wires? i smallist i could find is 14
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Old 11-09-2003, 12:20 PM   #7
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Quote:
Originally posted by disaster999
i personally like smaller wires cuz they look a lot better on a 12th car, i see a lot of really good drivers at my track uses small wires. i was thinking its because for lightweight.

where could you find 16awg wires? i smallist i could find is 14
The difference in weight between 16 and 14 will amount to a few grams. Most of the 1/12 cars I see have lead on them to make weight

You should be able to get 16 at your LHS. Novak sells it, as do a bunch of others. You might have to order it if they don't have very deep stock.

-dave
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Old 11-09-2003, 12:36 PM   #8
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dpaton- oops, sorry, i'm trying to remember 9th grade science. The bigger the wire the more "stuff" there is for the power to travel through. Which is resistance. The thing is you have to find the equal medium between losing power with small wire, or gaining resistance with big wire.
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Old 11-09-2003, 03:52 PM   #9
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Quote:
Originally posted by pro3racer
dpaton- oops, sorry, i'm trying to remember 9th grade science. The bigger the wire the more "stuff" there is for the power to travel through. Which is resistance. The thing is you have to find the equal medium between losing power with small wire, or gaining resistance with big wire.
A wire is like a hose, the bigger the wire is, the more freely the electrons flow.
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Old 11-09-2003, 04:10 PM   #10
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Quote:
Originally posted by dpaton
The difference in weight between 16 and 14 will amount to a few grams. Most of the 1/12 cars I see have lead on them to make weight
Ah yes, but it is lower than it would have been if contained in a wire. Plus you can move it around the chassis to alter the lateral and longitudinal weight distribution, and therefore the handling.
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Old 11-09-2003, 05:42 PM   #11
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The reason 12th scales run small wires is not to save weight (although it is a nice thought! lol)

Its because the wire will act as a spring since it spans over the chassis to the rear pod. On a sedan this is not an issue since the wire does not connect over to a pivoting part of the car.

Normally I run 16 guage on my 12th scale and 12 or 14 on my sedan.
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Old 11-09-2003, 11:08 PM   #12
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Quote:
Originally posted by dpaton
The difference in weight between 16 and 14 will amount to a few grams. Most of the 1/12 cars I see have lead on them to make weight

You should be able to get 16 at your LHS. Novak sells it, as do a bunch of others. You might have to order it if they don't have very deep stock.

-dave
which site sells 16awg wires? does tower have them?
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Old 11-09-2003, 11:32 PM   #13
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disaster, you can find 16AWG wire at tower from team associated, it only comes in orange and black though...
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Old 11-10-2003, 12:21 AM   #14
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not really my kind of color...hhmmm...know any other places where i could find those wires?
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Old 11-10-2003, 09:49 AM   #15
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Default Gauge Wire used on Speedo

Quote:
Originally posted by TSR6
A wire is like a hose, the bigger the wire is, the more freely the electrons flow.
AND like water in a hose, smaller wire (too small) will increase pressure (resistance) and reduce flow (current). If you go TOO big, then you just add bulk and weight to the Car with no performance advantage.

Guys;

This is a REALLY good method to help someone get a better understanding of Electricity flowing in circuits.

I was contemplating increasing the Wire size on my new LRP-v7.1, but decided against it when told the Factory drivers run them with the 16ga wire and Mod's. Good enought for me then.
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