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The washing machine motor does not turn
03 Apr 2019
The most common problem with your problem is the clasp spring problem. During normal washing, the spring should be disengaged. Only when dehydrating, the spring will hold the inner and outer shafts. Since it is not detached from the rust for a long t...
What is the best way to build an electric motor?
27 Mar 2019
If you’re trying to help your kid with his homework, there are many possibilities to make nice DC motors. I just made a very simple one in about five minutes, and i’ll try to upload the video for you. It isn’t the best way but it’s for sure the easie...
Why do DC motors spin so fast?
22 Mar 2019
AC synchronous motors can only run at synchronous speed, which depends on the number of poles, but can never be more than 3600 rpm at 60Hz or 3000 rpm at 50 Hz. AC induction motors alway run slightly below the speed of a synchronous motor with the sa...
What useful stuff do people do with spinning motors?
14 Mar 2019
My 1924 mercury vacuum barometer left to me by my grandfather broke in transit from the United Kingdom to Australia. The original operating principle is an evacuated glass tube in a U shape that holds mercury in the base of the U. As the pressure cha...
motor-racing-new-season-brings-new-dawn-for-indycar
09 Mar 2019
With new drivers, new teams, new circuits, a new title sponsor and broadcast deal it is a new dawn for the IndyCar Series as it speeds towards a future that could again include international races. These are bullish times at IndyCar headquarters with...
Which motor has high torque, DC or AC?
28 Feb 2019
There are several types of AC (e.g. induction, synchronous) and DC (e.g. series, shunt, permanent magnet) motors. Each of those types can be designed (within some constraints) to have different torque-speed relationships. In North America, AC inducti...
Compressed air motors exist, and can be used to drive a car
23 Feb 2019
Compressed air motors exist, and can be used to drive a car without electric power at all. I have actually ridden in a compressed air powered car One of those, quite possibly that actual vehicle. It works, but it isn’t a fantastic solution, and elect...
What is an inverter direct drive motor in a washing machine?
14 Feb 2019
Direct drive means that the motor connects directly onto the back of the drum shaft, traditionally this was done by using a belt. Inverter means that there is an electronic drive control system between the incoming power supply and the outgoing power...

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