Uploaded July 2026 | Updated September 2026, 2 weeks ago

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The Teratek Stirling engine has 8 equally spaced displacer cylinders and 8 equally spaced power cylinders arranged radially around a vertical shaft. Each piston is connected via their respective connecting rod to an offset internal gear ring which is in constant mesh with a spur gear fixed to the shaft.
teratek.co.uk/engine