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Old 08-29-2021, 07:11 PM   #1
UltraFast
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Default Upgrade cables between controller and motor.. is it worth it?

I have an RXV which I just installed the Navitas 600 amp controller. At the same time I installed 2 gauge cables to all batteries and from solenoid to controller.
Next week I知 taking the body panels off to paint. Since I値l have easy access to the motor I知 wondering if the 2 ga. cable will make any significant difference from the controller.
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Old 09-01-2021, 02:11 PM   #2
superfan86
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Location: Charleston, SC
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Default Re: Upgrade cables between controller and motor.. is it worth it?

Quote:
Originally Posted by UltraFast View Post
I have an RXV which I just installed the Navitas 600 amp controller. At the same time I installed 2 gauge cables to all batteries and from solenoid to controller.
Next week I知 taking the body panels off to paint. Since I値l have easy access to the motor I知 wondering if the 2 ga. cable will make any significant difference from the controller.
What gauge cables do you have now? Short answer is that you will likely see some gains, but not as significant as going from 6ga to 4ga

This thread might answer your questions:
HERE
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Old 09-03-2021, 09:40 AM   #3
bronsonj
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Default Re: Upgrade cables between controller and motor.. is it worth it?

Quote:
Originally Posted by BobBoyce View Post
The RXV absolutely benefits from 2 guage wires. In fact, once you switch to 2 guage wires, the performance differences between the stock 235 Amp Curtis controller and the upgrade 350 Amp controller are reduced. I monitored current draw from the batteries and despite the higher current capacity of the upgrade controller, current draw did not even exceed the factory controller capabilities until the wiring is upgraded to 2 guage and additional programming is done to increase the accelleration rate. The 4 guage cables that come with the upgrade controller are not even capable of passing the 350 Amps that the controller is capable of, without excessive loss. Voltage drop in the battery wires limits performance. The additional cost of going to 2 guage wire is well worth it.

I chose to go back to my stock controller because it is more than capable of really good performance by just upgrading the wires. The accelleration rates are easy to change in the profile settings of the profile you are using.

Bob
Thanks Superfan for posting the link to that thread. I had missed it. Pretty amazing to see Bob's results testing the differences on 2ga cables.
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Old 09-07-2021, 07:14 AM   #4
UltraFast
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Default Re: Upgrade cables between controller and motor.. is it worth it?

I had 4 gauge till I converted to 2. This is what I have learned recently. The original A/C motors are wound in 4 gauge, the phase wires from the controller to motor are literally wired into the motor. Meaning, unlike conventional DC motors the power/phase wires are not removable.
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