Uploaded July 2018 | Updated September 2026, 2 weeks ago

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Based on a Gif found here (douglas-self.com/MUSEUM/POWER/rotaryengines/Watt%20engine%201782.gif), named as "James Watt's three-vane rotary of 1782".
Modeled with Solidworks 2016.
Rendered with Simlab Composer 8 Mechanical Edition.
Free 3D model at skfb.ly/6YxtP.