Hi Richard. The lower the voltage, the lower the torque and speed will be. My guess is the reduced torque would mean that you can't drive much of a load from the motor. Give it a go and see how it goes. Cheers, John
Have you tried using different size resistors to control the speed? Perhaps try some fixed value resistors rather than a variable resistor. Remember that if you reduce the current, you reduce the power, which might cause the motor to stall and overheat.
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If I power a 6v dc motor with a 1.5v battery will this give me 4th of the rpm and power? And would this cause a problem for the motor?
Hi Richard. The lower the voltage, the lower the torque and speed will be. My guess is the reduced torque would mean that you can't drive much of a load from the motor. Give it a go and see how it goes. Cheers, John
Why doesn't it work in my case
I tried the same thing and instead of controlling the motor speed rotation, its overheats
Have you tried using different size resistors to control the speed? Perhaps try some fixed value resistors rather than a variable resistor. Remember that if you reduce the current, you reduce the power, which might cause the motor to stall and overheat.