A Porter governor has a data shown bellow: Four links each long = 250 mm Mass of each ball = 3 kg Mass of the central dead load = 20 kg Distance of pivot of arms from the axis of rotation (off-set) = 40 mm Radius of rotation of the balls = 150 mm at minimum speed Radius of rotation of the balls = 200 mm at Maximum speed The friction Load at sleeve = 10N Determine the range of speed of the governor

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