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W12 Stirling Engine

the goal is to have a simple to produce engine.


Double Acting Cylinders

both the hot side and the cold side are on one shaft and doing work at the same time in the same direction.


Power strokes per revolution

Since the inner cylinder of each row of cylinders is 180° apart of the 2 outer cylinders, you only get 4 independant power strokes per revolution.



Rombic Drive to minimize friction and side force on cylinder walls.
"W" configuration for 0 vibration.


Banks of Cylinders

Aranged in a "W" shape 60° apart.