Stirling_ Engines (1)


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Boehm Stirling Hot Air Engine HB145

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beech Base 6 3/16" L x 4" W x 5 7/8" H.

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Solar Sterling Hot Air Engine

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Rider-Ericsson 1/4 scale Hot Air Pumping Engine

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The pumping of water had the benefit of cooling, for more power

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8.5" Dia Blue flywheel

The Stirling engine was invented in 1816 by a Scotch clergyman, Robert Stirling, as a safer and competing technology to the steam engine, due to steam boiler explosions. A Stirling cycle has two pistons: one that drives the crankshaft known as the power piston and one that moves the gas (air) between the hot and cool ends of a cylinder known as the displacer piston. Hot air is displaced into the cool power cylinder, where it contracts for the power stroke.