MM17 - The Rider engine

Technical details
Year of construction 2001
Power piston stroke 10 mm
  diameter 16 mm
Displacer piston stroke 20 mm
  diameter 20 mm
Flywheel  diameter 69 mm
  material steel
Idle speed 1200 rpm
Energy source alcohol
Mass 700g 

Description:

This engine was built by using some available parts according to my well-approved and reliable principles, including transparent cylinder. The base consists of flat aluminium parts being soldered together. This proves that aluminium can really be soldered (solder available at Hans Rexin), but it becomes relatively soft by heating indeed. By the way, this engine was sold at the auction at Ebay. 

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