Characteristic curves of different centrifugal force governors Features - visualisation of the effect of centrifugal force - how various centrifugal systems work - determination of characteristic curves and setting curves of different centrifugal governors Learning objectives/experiments - kinetics and kinematics of the following centrifugal systems -- Porter governor -- Proell governor -- Hartnell governor - adjustment of centrifugal governors - recording the governor characteristic curves and setting curves - calculation of the structural design and adjustment of different governors Specification [1] how centrifugal systems work [2] three different centrifugal governors: Porter, Proell and Hartnell governors [3] versatile range of variations on the governors: adjustment of the centrifugal mass, the sleeve force and the spring preload [4] continuous adjustment of speed via a potentiometer [5] drive with DC motor [6] digital speed display [7] protective cover with electronic coupling to the drive ensures safe operation Technical data DC motor - max. power: 35W Speed control: 60...400min-1 Proell governor - sleeve mass: 3x 100g - centrifugal mass: 2x 150g Porter governor - sleeve mass: 3x 100g - centrifugal mass: 2x 400g Hartnell governor - centrifugal mass: 2x 400g - 2 compression springs, adjustable spring preload Measuring ranges - speed: 0...600min-1 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 420x420x430mm Weight: approx. 30kg
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