Idea: 12V eBay motor as generator for lights/accessories

Cannonball3

Active Member
Joined
Sep 11, 2021
Messages
112
Go over to Endless Sphere and search similar. I have read about conversions of brushless hobby
motors there.
 

Herman Klutz

Active Member
Joined
Dec 25, 2016
Messages
312
You need an output of volts that is more than you need, as in 12 volts to provide 9, then use a voltage regulator to control the output to the end source. Best to add in a battery to be charged and the lights etc., being powered off of the battery with your dynamo or generator charging it. This will provide a more uniform voltage to the end user items.

Voltage regulators from 6 volt motorcycles can be wired in as a regulator. The 12 volt bottle dynamo for bicycles should provide enough power to keep a 6volt batter charged. if the output is equal or less the battery will never get charged, and when the dynamo stops, the lights will fail. This is according to a motorcycle mechanic, I have not tried it, I am still using a 6volt latern battery light.
 

DieselTech

Well-Known Member
Joined
Sep 18, 2021
Messages
724
I believe your motor voltage needs to b 4 times greater than the output of voltage wanted/needed. So I believe you need a 48v or greater permanent magnet motor, then the faster you spin the motor the more voltage it makes. & a voltage regulator must be used, unless you match your motor to your given rpm range.
 
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