Help!! with brushless gearing - RCCanada - Canada Radio Controlled Hobby Forum
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Old 06-02-2006, 03:47 PM   #1
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Help!! with brushless gearing

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i put a brushless system in my b4,the motor and esc get hot,the qustion is do i go more teeth or less teeth on the pinion??i have a 23 tooth on there now
2-Brushless Kyosho Hang on Riders
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Brushless Gorillamaxx/Lipo powered
Portable Nazcar Track(is here)+ 15 BRP cars



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Old 06-02-2006, 04:23 PM   #2
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You need to go less, way less.
Try going down to somewhere between a 15 or 17 on the pinion.
In the Lazer I was running a 17, it was still too fast for Crows. I was going to put in a 15, but then you got it.
With the 17 tooth, things got warm but not hot.
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Old 06-03-2006, 09:16 AM   #3
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My motor does get hot but it never over heats. I would say get a lower tooth pinon (like Bdegan) said. And possibly a larger spur if you would need 1
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Old 06-03-2006, 09:40 AM   #4
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Agreed, lower the tooth number on the pinion gear. You will get a better jump out of the hole but lose some top end speed.

Probably one of the best investments I made was to buy a Robinson Racing 6 Pack 48 Pitch Pinion kit $17 Canadian which has 15, 17, 19, 21, 23, 25 pinions (Even are also available)

Part # RRP1050 (Pinion 6 Pack 48P Even 16/26)
Part # RRP1055 (Pinion 6 Pack 48P Odd 15/25)

Different tracks will need different pinions:
- A track with a lot of straight-aways you would want a pinion with more teeth.
- A track with a lot of turns and twisty sections you would want a pinion with less teeth.

On an electric car/truck pinion gears are changed MUCH more often than spur gears are changed.
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