Accession Number : ADD018275

Title :   Water Vehicle and a Directional Control Device Therefor.

Descriptive Note : Patent, Filed 27 Mar 95, patented 27 Aug 96,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Cipolla, Jeffrey L ; Waclawik, Ronald E

Report Date : 27 Aug 1996

Pagination or Media Count : 10

Abstract : There is presented in combination, a water vehicle and a directional control device therefor. The water vehicle includes at least a portion thereof which is underwater during travel of the vehicle through water. The directional control device comprises a single arm extendible from one side of the underwater portion of the vehicle. The arm includes a multiplicity of tins in a compact array for contact with the water through which the vehicle portion moves, each of the fins having an uncambered, neutral lift cross-section matching the hydrodynamic streamline flow there-about at predetermined vehicle speed below the cavitation threshold.

Descriptors :   *UNDERWATER VEHICLES, *PATENTS, VELOCITY, CONTROL SYSTEMS, NEUTRAL, THRESHOLD EFFECTS, ARRAYS, CROSS SECTIONS, TRAVEL, LIFT, MATCHING, FINS, DIRECTIONAL, CAVITATION

Subject Categories : Submarine Engineering

Distribution Statement : APPROVED FOR PUBLIC RELEASE