Any number of aircraft had more than one way to start the engines, one of the more kind of funny systems involved the Jumo 109-004 TL jet engine, famously fitted the WWII Me 262 jet fighter. For normal starts, there was a small two-stroke gasoline engine in the intake cone of the jet that would spin it up that in turn had a little electric starter. Straight forward enough. But, if the electric start didn't work right, there was a pull cord start for the starter motor, exactly like a lawn mower or other small gas engine. Imagine the scene of, at that time the most advanced jet fighter in the world, being started with a pull cord.
Alone Together page 21
Any number of aircraft had more than one way to start the engines, one of the more kind of funny systems involved the Jumo 109-004 TL jet engine, famously fitted the WWII Me 262 jet fighter. For normal starts, there was a small two-stroke gasoline engine in the intake cone of the jet that would spin it up that in turn had a little electric starter. Straight forward enough. But, if the electric start didn't work right, there was a pull cord start for the starter motor, exactly like a lawn mower or other small gas engine. Imagine the scene of, at that time the most advanced jet fighter in the world, being started with a pull cord.