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Old 09-14-2008, 08:04 AM   #1
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Default Electric motor "Zapping"

Back in the day we used to zap electric motors to increase torque or RPM. I'm wondering how it would work with present brushed motors by either zapping the motor can or adding a small magnet to the side of the can to pick up RPM. In my mind this should work as long as you experimented with gearing to compensate for the change in the motors speed/torque.

Now, if this concept works, does anybody make a motor heat sync with a "built in magnet" to attach to the motor can ?? It seems this would still be legal since nothing was done to the motor itself.

Whatcha say motor experts ?? Thanks.
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Old 09-14-2008, 09:37 AM   #2
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Old 09-14-2008, 04:30 PM   #3
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Sounds interesting, maybe a rare earth magnet could be used. Stronger magnets will increase torque for sure, so you could gear a little faster.
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Old 09-14-2008, 05:12 PM   #4
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Quote:
Originally Posted by Good Beer View Post
Back in the day we used to zap electric motors to increase torque or RPM. I'm wondering how it would work with present brushed motors by either zapping the motor can or adding a small magnet to the side of the can to pick up RPM. In my mind this should work as long as you experimented with gearing to compensate for the change in the motors speed/torque.

Now, if this concept works, does anybody make a motor heat sync with a "built in magnet" to attach to the motor can ?? It seems this would still be legal since nothing was done to the motor itself.

Whatcha say motor experts ?? Thanks.
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Originally Posted by Bigshades View Post
Sounds interesting, maybe a rare earth magnet could be used. Stronger magnets will increase torque for sure, so you could gear a little faster.
As for zapping, they use an expensive machine to do it, and if done incorrectly can bugger a motor.

As for the magnet thing, don't do it. It's cheating.
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Old 09-14-2008, 05:18 PM   #5
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On second thought, I think you can actually buy "tourqe rings" that slip around the motor. They are made of iron or silicon steel so they can help the magnetic fields improve in the motor.

It's still cheating though.
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Old 09-14-2008, 06:19 PM   #6
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A stronger magnet yields higher torque, but you need a higher voltage to break the arm free of the magnets.
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Old 09-14-2008, 07:35 PM   #7
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A stronger magnet yields higher torque, but you need a higher voltage to break the arm free of the magnets.
Thats why they use 20 cell packs with cobalt rare earth magnets on drag cars
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