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Mark 27 Mod 4 torpedo
Type Acoustic torpedo[1]
Place of origin United States
Service history
In service 1946-1960
Used by Flag of the United States United States Navy
Production history
Designer Ordnance Research Laboratory, Pennsylvania State University
Designed 1946[1]
Manufacturer Avco[1]
Naval Ordnance Station Forest Park
Produced 1946-1954[1]
No. built 3000[1]
Specifications
Mass 1175 pounds[1]
Length 125.75 inches[1]
Diameter 19 inches (with 21-inch guide rails)[1]

Effective firing range 6200 yards (12 minutes search duration)[1]
Warhead Mk 27 Mod 2, HBX[1]
Warhead weight 128 pounds[1]
Detonation
mechanism
Mk 11 Mod 2 contact exploder

Engine Electric[1]
Maximum speed 15.9 knots[1]
Guidance
system
Gyroscope[1]
Launch
platform
Submarines[1]

The Mark 27 Mod 4 torpedo was a submarine-launched acoustic torpedo designed by the Ordnance Research Laboratory of Pennsylvania State University in 1946 as an improved version of the Mark 27 torpedo.[1] Fully compatible with electrical setting fire control systems through the use of the standard 65-pin umbilical cable, this weapon was in service on submarines for about ten years. It was withdrawn from service use in 1960 with the introduction of the Mark 37 torpedo.

References[]

All or a portion of this article consists of text from Wikipedia, and is therefore Creative Commons Licensed under GFDL.
The original article can be found at Mark 27 Mod 4 torpedo and the edit history here.
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