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It has been suggested that this article be merged into [[::Mark 27 torpedo|Mark 27 torpedo]]. (Discuss) Proposed since August 2013. |
| Mark 27 Mod 4 torpedo | |
|---|---|
| Type | Acoustic torpedo[1] |
| Place of origin | United States |
| Service history | |
| In service | 1946-1960 |
| Used by |
 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 It was withdrawn from service use in 1960 with the introduction of the Mark 37 torpedo.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[]
The original article can be found at Mark 27 Mod 4 torpedo and the edit history here.