High altitude sonobuoy

Details High altitude sonobuoy High altitude sonobuoy

1975-10-23

1976-09-07

Brown, David H.

Ammunition and explosives

Igniting devices and systems

102 371, 244 325, 244 327, 244138A, F42B 2502

Patent

active

039787907

ABSTRACT:
A sonobuoy for launching at high altitudes from present sonobuoy launching tubes. A plurality of spring loaded stabilizing fins are held in place adjacent the body of the sonobuoy by rotovanes in their stored position. Upon launching the sonobuoy from an aircraft, the stabilizing fins assume their stabilizing position substantially perpendicular to the body of the sonobuoy due to the spring action but are held in place by the stored rotovanes. Upon reaching a lower altitude, the rotovanes are released to allow rotochute action to slow the descent of the sonobuoy. Upon deployment of the rotovanes to their operating position, the stabilizing fins previously held in place by the stored rotovanes separate to allow proper rotochute action.

REFERENCES:
patent: 2044819 (1936-06-01), Taylor
patent: 2990149 (1961-06-01), Samms
patent: 3057589 (1962-10-01), Nutkins et al.
patent: 3598345 (1971-08-01), Suter
patent: 3643599 (1972-02-01), Hubich

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