There are various types of flagella, but all function like a rotary engine made by humans. Even non-ID scientists marvel at the complexity of these machines.
If one visualizes the recoil action of large guns on ships as they fire, that is perhaps what the EA (export apparatus) is doing for the T3SS.
This finding fits Michael Behe’s book Darwin Devolves perfectly. It’s easier to throw cargo overboard than to create it.