Replacing the brushed motors with powerful motors

Discussions about quadcopters/multi-rotors
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Moj_Dev
Beginner
Posts: 10
Joined: Wed Jan 19, 2022 7:43 pm

Replacing the brushed motors with powerful motors

Post by Moj_Dev »

Due to the limited payload capability of CF, I'd like to replace the current brushed motors with more powerful ones. My question is what is the maximum current for each motor driver? I appreciate it if anyone here suggests more powerful brushed motors that I can use.
Thanks
tobias
Bitcraze
Posts: 2336
Joined: Mon Jan 28, 2013 7:17 pm
Location: Sweden

Re: Replacing the brushed motors with powerful motors

Post by tobias »

The power path is explained a bit in this blog post which is relevant. I think 2A per motor is not a problem but it will require to change battery as well to not trigger the PCM (short protection) in the battery. We have tested many 7x20mm motors without problem but an upgraded battery might be needed.
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