Accession Number : AD0441358
Title : PORPOISE.
Descriptive Note : Summary rept.,
Corporate Author : LING-TEMCO-VOUGHT INC DALLAS TX
Personal Author(s) : Marsh, K. R.
Report Date : 10 JUN 1964
Pagination or Media Count : 24
Abstract : Porpoise is a buoyancy propelled underwater vehicle designed for utilization initially as an oceanographic research vehicle. It is designed to alternately descend and ascend as it glides through the water. Buoyancy control is utilized to effect the depth change and to obtain a thrust force along the flight path. The vehicle is equipped with wings hinged on a skewed axis so as the vehicle descends and the wings position to positive dihedral and have a positive angle of attack. As the vehicle ascends due to a created change in buoyancy, the wings position to negative dihedral and have a negative angle of attack (causing the wing lift force to oppose the ascent of the vehicle). (Author)
Descriptors : *OCEANOGRAPHIC SHIPS, *BUOYANCY, UNDERWATER, UNDERWATER PROPULSION, SUBMARINES, WINGS, HYDRODYNAMICS, ATTITUDE CONTROL SYSTEMS, WIND TUNNELS, ANGLE OF ATTACK, MODEL TESTS, DIHEDRAL ANGLE, MECHANICAL DRAWING, UNDERWATER TRAJECTORIES.
Distribution Statement : APPROVED FOR PUBLIC RELEASE