Stirling Engine D
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Stirling Engine D

£547.77  exc. VAT    
(£657.32 Inc. VAT)

Free delivery orders 50+     
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  • Functional stirling engine model
  • Displays the operation of a thermal engine
  • Can be used with integrated or external heat source
  • Discontinuous piston movement
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Stirling Engine D

The Stirling Engine D is a functional model of a Stirling engine based on an idea by Professor Wilcke and is optimised for the demonstration thermal to mechanical energy conversion. Clearly displaying the the operation of a thermal engine, the apparatus is perfectly suited to investigations of the Stirling cycle.

The interplay between the displacement piston and the power piston can be seen especially clearly at a low rate of rotation. In this version the displacement piston moves discontinuously, with a dwell time during the heating of the working medium (air) and a second dwell time during its cooling. This offers a clearer demonstration of the ideal Stirling cycle than is possible with continuous piston movement.

Adjustable to operate with a variety of heat sources, the Engine can be heated by its integrated hotplate, a candle flame or focused radiation from the sun or a lamp. 

For recording pV diagrams, the pressure can be measured via a rubber hose connection on the power cylinder, and the volume can be measured by attaching a thread to the power piston to follow its movement.

Experiment Topics:

  • Operation of a Stirling engine as a classical heat-engine
  • Measurement of the no-load (idling) rate of rotation as a function of the heat input
  • Recording and evaluating a pV diagram


  • Slow running allows for the interaction between the displacement piston and the working piston to be observed easily
  • Discontinuous motion of the piston provides for almost perfect p-V (pressure-volume) diagrams
  • It is possible for the system to be heated by absorption of radiant heat


  • Heater voltage: 8 – 12V, 1.5 A
  • Gas volume: 330cm³ – 345ccm³
  • Flywheel rod: 400mm
  • Dimensions without flywheel rod: 260×185×330mm³
  • Weight: 2.2kg

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Delivery Information

The Stirling Engine D is usually delivered within 3 to 5 working days of ordering via UPS courier.

If you would like up to the minute delivery and tracking information for your order, please contact the Lab World Customer Care Team by telephone on 020 7501 1105 or by email using the form below. We look forward to helping you with your enquiry.

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