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Old 06-29-2004, 08:44 PM   #1
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Unhappy Question about braking with a TC3

This is my problem. I have a tc3 with a fantom 10x4 motor and a superrooster speed control. The radio I'm using is a Futaba 3pm. When I hit the breaks hard the spur gear makes a horrid noise. I've checked the mesh many times and I've reset it every time it makes the noise. I used a piece of paper for the mesh clearance. I'm new to the radio. I've owned it for only a week or so. Is there something I need to do to the radio? A setting maybe that i can change? I'm at a loss on this. I'm used to driving traxxas trucks. They don't have enuff power to hurt the spur gear. If anyone could help me or if I need to give more info please let me know. I'm getting ready to race it for the first time this weekend. i don't want to buy a new spur every race.
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Old 06-29-2004, 08:57 PM   #2
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are u sure it was the spur?
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Old 06-29-2004, 09:03 PM   #3
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My spur is stripped so I just asumed it was my spur gear. Could it be my motor? I just bought the motor and speed control. When I'm moving at a slower speed I have no problems it's just when I slam the brakes at higher speeds. Is there a way to set the brake on the speed control?
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Old 06-29-2004, 09:09 PM   #4
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Maybe the teeth are too stripped on the spur or pinion.
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Old 06-29-2004, 09:12 PM   #5
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check to make sure there is no wobble in the rear input shaft. When I had that problem, it was a loose rear diff case.
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Old 06-29-2004, 09:27 PM   #6
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The teeth on the pinion are ok. I just replaced the spur gear. I'm going to be changing out the diff cases with some aluminum ones my wife bought me. My be this will fix my problem. If anyone else has ideas please tell me. I'm open to all.
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Old 06-29-2004, 10:39 PM   #7
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Don't brake so hard.

FWIW make sure the spur isn't too out of round. You can set the lash at one point, and half way around the lash can open up quite a bit (or tighten) since the spurs generally are not perfectly true.
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