Originally Posted by
Herod
The Navy still operate a Swordfish, which has a Pegasus of a similar era. Might be worth asking them. I seem to recall seeing Swordfish being started, and a crank being used.
The Swordfish Pegasus had/has an inertia starter. Wind the crank to bring a flywheel up to speed then use the inertia and energy of the flywheel to start the engine.
N