How hot does an electric RC car motor get?

Answer An electric radio controlled car brushless motor should not exceed 80 degrees Celsius. At this temperature, the magnetic components might depolarize, causing the motor to not function. Electric m... Read More »

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A vacuum cleaner is plugged into a 120.0-V socket and uses 3.0 A of current in normal operation when the back emf generated by the electric motor is 72.0 V Find the coil resistance of the motor?

Stable voltage across the motor = (120 - 72) = 48 VR = E / I = 48/3 = 16 ohms.(Assumes power-factor of 1, no reactances, back-emf in phase with the line, etc.)

RC Electric Motor Tips?

Whenever an RC motor is used to power a vehicle, whether it is a high-speed car or buggy or a radio-controlled helicopter or airplane, the amount of power that the motor is able to generate decreas... Read More »

How to Rewind an Electric Motor?

Electric motors are relatively simple mechanical devices, but rewinding the coils on a DC motor is a precise task that should only be undertaken by those who with experience in mechanical or electr... Read More »

Electric Motor Facts?

Ever since a blacksmith from Vermont named Thomas Davenport invented the motor engine--which was DC powered--in 1833, inventors all around the world have come up with new and innovative mechanical ... Read More »