CSC06586

Spitfire Site

View of the port exhaust stacks. These were individual for each cylinder, with circular cross-section optimized for smooth flow, thereby maximizing the added thrust. ...

CSC06586

View of the port exhaust stacks. These were individual for each cylinder, with circular cross-section optimized for smooth flow, thereby maximizing the added thrust.

Efficient vectoring of exhaust gases could add as much as 10-15 MPH to the maximum level speed of a Wordl War II-era fighter.

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