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Eric Bloodsmith

Motor Armature Swap

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I have an old Torque tuned motor I'd like to open up and take a peak. I've also got a rebuildable chinese motor.

61utuieCTDL.thumb.jpg.1615656eb958c24b0f7abef375a56af4.jpgThe magnets on this motor actually seem very good, stronger than those of the torque tuned. The only issues I have with the 13T motor is how hot it gets with no load. Trying to drive any model with it seems like I'd only get a few minutes run time. I read on a different thread a while back that reshimming the motor can help resolve the heat issue, but if I'm gonna do that I'd like to try getting a bit more torque out of it.

So would swapping the torque tuned armature into this be feasible?

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I doubt the Torque Tuned rotor will fit in any of the "stock" (open end bell) motors. However I have successfully swapped rotors between "stock" motors. For instance I put a Lightly Tuned rotor inside a TZ. So in your case you would want to put the rotor of a Lightly Tuned (28t) or FL Tuned (30t) inside that Chinese can for example. But unless you already have these handy and wish to destroy (or seriously mangle) them by opening them it makes little sense in terms of cost.

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8 minutes ago, Pylon80 said:

I doubt the Torque Tuned rotor will fit in any of the "stock" (open end bell) motors. However I have successfully swapped rotors between "stock" motors. For instance I put a Lightly Tuned rotor inside a TZ. So in your case you would want to put the rotor of a Lightly Tuned (28t) or FL Tuned (30t) inside that Chinese can for example. But unless you already have these handy and wish to destroy (or seriously mangle) them by opening them it makes little sense in terms of cost.

Alrighty then, I'll take a close look at them tonight, but if the shaft doesn't even look the same length then I'll try finding a higher turn version of that motor to play around with. Am I right in thinking that stronger magnets would make the same rotor run faster?

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Stronger magnets will reduce the motor's RPM for a given voltage, but the torque will increase.

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