Quote:
Originally Posted by N3LYT
I have a friend with a Canadian tank. It has a 9 cylinder radial aircraft engine and it's not something you want to start right up. The drill was to hand crank it over 50 times after sitting overnight! (crank in tool kit) because all the oil would leak into the bottom cylinder!
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Yes, that's the drill with radial engines generally. On airplanes it's done by pulling the prop through by hand -- which on something as big as a B-17 would require from two to eight guys pulling the prop blades through three or more revolutions. Then you can begin the somewhat involved process of starting the engines.