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...
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...
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...
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...
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...
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...
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...
1: The generator does not operate according to the specified technical conditions. If the stator voltage is too high, the iron loss increases; if the load current is too large, the copper loss of the stator winding increases; If the frequency is too ...
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