Since there are no underwater appendages, turbocraft design by Dowty Marine Ltd can operate at high speed in water 4 in. deep; power is from Ford Zephyr Mk 2 engine developing 90 bhp at 4400 rpm, propulsion by Dowty-Hamilton 2-stage marine jet; length 14 ft 6 in., beam 5 ft 9 in.; draft 9 in.; hull is of glass fiber; max speed is 35 mph.
No propeller or rudder on jet driven boat
Engineering
Engineering ; 189 , n 4889
1960
Article (Journal)
English
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