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pdfmech
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Hello I need to select the proper motor to spin a 12 inch brush that cleans a window. There is about 5 pound of horizontal force on the window and the brush will spin at 200 rpm . My issue in finding what torque needs to be supplied by the motor. When a DC motor is turned on it almost immediately achieves the velocity corresponding to a certain voltage. How can I determine this acceleration. I selected a motor that I feel would be more than enough http://www.pololu.com/catalog/product/1104" but I need to show calculations for my project. Maybe I will use a controller to slowly increase the speed and then assume no angular acceleration. Any help would be greatly appreciated.
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