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Old 2007.01.06, 09:04 AM   #1
helee4
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Increasing Servo Torque

This is kinda a crazy move I did. I have swapped my MR 01 pcb into my xmod mod. Everything works perfectly, with much better throttle response and resolution, but with one problem. The steering is much slower than before. It can get around the track fine without aggressive moves. But for drifting purpose, which the car requires quick change of direction, this slow steering is a problem.

What I have done was connecting the xmod evo servo to the MR 01 pcb. I do notice the servo motor of evo is much bigger than the MR 01. So, I don't know if the MR 01 is not meant to drive a bigger size motor; or could it be the gear ratio within the servo that is differ than the mini-z, that causes slower steering.

So, I am wondering if someone might have some idea or already done mods to increase steering speed and torque for either their xmod or miniz? I don't own a monster mini-z, but I am curious to know if those servo are differ than the MR01/1.5/2.0, because I think those servo will need to work harder to move heavier steering components.

I am also wondering by stacking FETs to the steering FET, would it increase the output power to the servo motor? If yes, has anyone done so?
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Old 2007.01.06, 01:01 PM   #2
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Found the fix! I found my broken zipzap monter truck, took out the motor and swapped out the original servo motor. The zipzap motor is a little smaller than the servo motor, so I put a little foam type of tape to make sure the motor is a slug fit. Put the car back together, my steering speed is back to before! Tried it on my track, and drifting and control is much much better with EVO electronics as expected!
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Old 2007.01.06, 06:34 PM   #3
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Quote:
Originally Posted by helee4
Found the fix! I found my broken zipzap monter truck, took out the motor and swapped out the original servo motor. The zipzap motor is a little smaller than the servo motor, so I put a little foam type of tape to make sure the motor is a slug fit. Put the car back together, my steering speed is back to before! Tried it on my track, and drifting and control is much much better with EVO electronics as expected!
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