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Old 11-20-2020, 06:01 PM   #1
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Default Motor Rotation Question

I am building a SCX 10 II, and in the process of buying the electronics. I am looking at a HH CrawlMaster Pro 13T motor. It is asking me for the timing and rotation, I will probably go with the 6 degree timing but am not sure of the rotation. Any Advice? Thanks
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Old 11-20-2020, 07:41 PM   #2
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Default Re: Motor Rotation Question

I'm pretty sure its forward rotation, its rigs like the TRX4 where they are reverse rotation due to the extra gear in the portals.

If not you can simply re-time the motor which is easy with HH motors.
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Old 11-21-2020, 05:31 AM   #3
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Default Re: Motor Rotation Question

Thanks for the response, it helps, wasn't quite sure
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Old 11-21-2020, 03:40 PM   #4
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Default Re: Motor Rotation Question

Rotation is determined by looking at it from the pinion side. My scx 10.2 runs clockwise


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Old 11-23-2020, 12:41 PM   #5
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Default Re: Motor Rotation Question

The timing on the HH motors is easily changed by rotating the end bell. When the timing is set to zero the motor rotation is mute meaning it will rotate either direction. I generally buy my HH motors with zero timing and then play with it once it is in the truck. I have four Crawlmater Pro 550 12t motors and love them.
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Old Today, 01:47 AM   #6
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Default Re: Motor Rotation Question

Dumb question from the noob.



I know about gas engine timing but what does timing do on a brushed motor?
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Old Today, 01:49 AM   #7
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Default Re: Motor Rotation Question

Quote:
Originally Posted by itr1275 View Post
Dumb question from the noob.



I know about gas engine timing but what does timing do on a brushed motor?
I have been wondering the same. I never even knew timing was a thing on electric motors
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Old Today, 01:56 AM   #8
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Default Re: Motor Rotation Question

Motor runs faster in the direction itís advanced and slower in the other.


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Old Today, 02:01 AM   #9
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Originally Posted by austin-92 View Post
Motor runs faster in the direction itís advanced and slower in the other.


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Oh okay. Thanks
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Old Today, 02:37 AM   #10
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Default Re: Motor Rotation Question

John Holmes has a good video on it.

https://m.youtube.com/watch?v=G5-EZyPZBFI


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Old Today, 11:28 AM   #11
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Default Re: Motor Rotation Question

Quote:
Originally Posted by austin-92 View Post
Motor runs faster in the direction itís advanced and slower in the other.

So it's really like a fwd/reverse bias. Pretty cool, didn't know that.



I would imagine that most people rung it + a few degrees advanced. Assuming advanced means forwards.
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Old Today, 12:33 PM   #12
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Default Re: Motor Rotation Question

Theres also an effect on brush wear for brushed motors. In brushless and brushed motors increasing timing also adds heat.
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