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Author Topic: Should I use a 200cc equivalent Brushless dc motor for RC cars?  (Read 1129 times)

theRoy98

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Should I use a 200cc equivalent Brushless dc motor for RC cars?
« on: January 21, 2018, 07:44:47 PM »
Hi I am planning to build my first electric motorcycle and I am not sure what motor to pick.
I was thinking of using 200cc equivalent rc brushless motor but am not sure if it suitable so what are the differences between these motors?
RC BRUSHLESS :https://www.alibaba.com/product-detail/200cc-equivalent-Brushless-DC-motor-300A_60492454484.html?spm=a2700.7724838.2017115.1.1951c2863FLRB1
Regular Brushless:https://www.alibaba.com/product-detail/BLDC-motor-5000W-electric-motorcycle-kit_60520081695.html?spm=a2700.7724838.2017115.67.18342b2aoCohzU
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MrDude_1

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Re: Should I use a 200cc equivalent Brushless dc motor for RC cars?
« Reply #1 on: January 21, 2018, 07:48:52 PM »
Should you? no.
Could you? yeah.
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theRoy98

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Re: Should I use a 200cc equivalent Brushless dc motor for RC cars?
« Reply #2 on: January 22, 2018, 07:07:12 AM »
Do you know what the difference between them are? Because there is a huge difference in weight. The RC BLDC seems to be much lighter but have more power.
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MrDude_1

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Re: Should I use a 200cc equivalent Brushless dc motor for RC cars?
« Reply #3 on: January 22, 2018, 07:19:26 AM »
Quote from: theRoy98 on January 22, 2018, 07:07:12 AM
Do you know what the difference between them are? Because there is a huge difference in weight. The RC BLDC seems to be much lighter but have more power.
The first RC one is for an RC airplane. It cant take much radial load, and must spin at a high RPM to make the power you're looking for. You will also have to add an impeller to it, since running it anywhere near the rated power will overheat it without forced air cooling.

the second one is a cheap scooter motor that might work for an electric bicycle. It is NOTHING like what is in the Zero motorcycle they're trying to imply. Its a fraction of the size.  It can take the radial load of the chain though, so its better in that regard.

I would not buy either one of them... if you're building a cheap slow electric bike I would lean towards a hub motor unless suspension performance requires a mid-drive. Hub motors keep things simple.
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