Centrifugal governor (TM 632)

determination of characteristic curves and setting curves of different centrifugal governors



  • Centrifugal governors use the properties of centrifugal force to control the speed of a machine.
  • Due to centrifugal force, a rotating flyweight mass has the tendency to move away from the axis of rotation and is prevented by counteracting mechanisms.
  • These mechanisms are differentiated into those governors that use weights and those that use springs.
  • Corresponding kinematics cause a deflection proportional to the speed to occur on the governor.
  • Via an actuator, this affects the energy supplied to the machine, thereby controlling the machine’s speed.
  • The TM 632experimental unit presents centrifugal systems that demonstrate the different principles of operation of both weight and spring-based governors.
  • The housing holds the drive with an electronically controlled motor.
  • The speed is continuously adjustable and displayed digitally.
  • The governors are inserted into a chuck on the drive.
  • Centrifugal masses, sleeve forces and spring preload can be varied using the accessories supplied, depending on the governor.
  • The stroke can be read on markings on the governor shaft.
  • A transparent protective cover above the rotating centrifugal governor ensures safety: operation is only possible when the protective cover is properly attached.

Technical Details:


  • how centrifugal systems work
  • three different centrifugal governors: Porter, Proell and Hartnell governors
  • versatile range of variations on the governors: adjustment of the centrifugal mass, the sleeve force and the spring preload
  • continuous adjustment of speed via a potentiometer
  • drive with DC motor
  • digital speed display
  • protective cover with electronic coupling to the drive ensures safe operation

Technical Data:

  • DC motor:
    • 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

Dimensions & Weight:

  • LxWxH: 420x420x430mm
  • Weight: approx. 30kg

Learning Objections/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

Scope of Delivery:

  • 1 experimental unit
  • 3 centrifugal governors
  • 1 set of tools
  • 1 set of weights
  • 1 set of instructional material


  • visualisation of the effect of centrifugal force
  • how various centrifugal systems work
  • determination of characteristic curves and setting curves of different centrifugal governors


  • WP 300.09: Laboratory Trolley

Due to the continuous development of our products, the goods supplied may vary in detail to that illustrated on this Website.