This boat had a Perkins gas-turbine pump that was also used to power and steer the craft by the jet reaction of a short length of hose and branch pipe.

Oh what a wonderful sight!
Ingenious.
Hope they kept the fire going 'til they got there!

Fantastic!! and a truelly fearsome bit of kit......

http://www.gasturbines.freeuk.com/

http://www.youtube.com/watch?v=G4_wuc2F3Ak