Ships can be stopped almost instantly by use of split rudder developed by Nippon Kokan's shipbuilding division, in collaboration with Japanese Maritime Safety Agency; rudder consists of two leaves hinged together at skeg, or rear vertical edge; in emergencies, leaves are opened to form flat, vertical surface at 90° angle to keel, and action of opened rudder is similar to that of trailing parachute used to reduce landing speed of jet fighter. (see also Mar Eng/Log v 69 n 12 Nov 1964 p 70-1)
Braking effect of Japanese split rudder
Shipbldg Shipg Rec
Shipbuilding and Shipping Record ; 104 , n 13
1964
Article (Journal)
English
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Braking effect of Japanese split rudder
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