Airplane crank engine cutaway.
Fullsize image: https://s3-us-west-1.amazonaws.com/h...y_fullsize.jpg
Previously:
18-cylinder radial airplane engine cutaway - photo
Range Rover cutaway - photo
Pratt & Whitney R-2800 Double Wasp 46L 18-cylinder engine cutaway - GIF
DC-10 wheel and brake cutaway - photo
F-86 Sabre jet cutaway - photo
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