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词条 Mark 46 torpedo
释义

  1. Design details

  2. Yu-7 variant

  3. Operators

  4. See also

  5. References

  6. External links

{{hatnote|Mk 46 is also the designation of the Mk 46 Mod 0 variant of the M249 light machine gun}}{{Infobox weapon
|name = Mark 46 torpedo
| image = MK46 torpedo launch.jpg
| image_size = 300
|caption = A Mk 46 exercise torpedo launched from {{USS|Mustin|DDG-89|6}}.
|origin = United States
|type = Lightweight antisubmarine torpedo[1]
|is_ranged = y
|is_explosive = y
|is_missile = y
|service = • Mod 0: 1963[1]
• Mod 5: 1979
|used_by =See operators
|wars =
|designer = Naval Ordnance Test Station Pasadena[1]
Aerojet[1]
Alliant Techsystems
|design_date = 1960[1]
|manufacturer = Aerojet[1]
Naval Ordnance Station Forest Park
Honeywell
Raytheon[2]
|unit_cost =
|production_date =
|number =
|variants = Mod 0[1]
Mod 1
Mod 2
Mod 5
Mod 5A
Mod 5A(S)
Mod 5A(SW)[2]
|weight = {{convert|508|lb|abbr=on|lk=on}}
|length = {{convert|8|ft|6|in|abbr=on|lk=on}}
|part_length =
|width =
|height =
|diameter = {{convert|12.75|in|abbr=on|lk=on}}
|crew =
|range =
|max_range =
|filling = PBXN-103 high explosive (bulk charge)
|filling_weight = {{convert|96.8|lb|abbr=on}}
|detonation =
|yield =
|engine = Two-speed, reciprocating external combustion
|engine_power =
|pw_ratio =
|transmission =
|payload_capacity=
|propellant = Otto fuel II
|fuel_capacity =
|vehicle_range = {{convert|12000|yd|abbr=on|lk=on}}
|ceiling =
|altitude =
|depth = >{{convert|1200|ft|abbr=on}}
|boost =
|speed = >{{convert|40|kn|km/h|abbr=on|lk=on}}
|guidance = Active or passive/active acoustic homing
|steering =
|accuracy =
|launch_platform = Mark 32 Surface Vessel Torpedo Tubes, ASW Aircraft, RUM-139 VL-ASROC
|transport =
}}

The Mark 46 torpedo is the backbone of the United States Navy's lightweight anti-submarine warfare torpedo inventory and is the NATO standard. These aerial torpedoes are designed to attack high-performance submarines. In 1989, an improvement program for the Mod 5 to the Mod 5A and Mod 5A(S) increased its shallow-water performance. The Mark 46 was initially developed as REsearch TORpedo Concept I (RETORC I), one of several weapons recommended for implementation by Project Nobska, a 1956 summer study on submarine warfare.[3]

Design details

Mark 46, Mod 5
  • Primary Function: Air and ship-launched lightweight torpedo[4]
  • Contractor: Alliant Techsystems
  • Power Plant: Two-speed, reciprocating external combustion; Mono-propellant (Otto fuel II)
  • Length: 8 ft 6 in (2.59 m) tube launch configuration (from ship),[5] 14 ft 9 in (4.5 m) with ASROC rocket booster[4]
  • Weight: 508 lb (231 kg)[4] (warshot configuration)
  • Diameter: 12.75 in (324 mm)[5]
  • Range: 12,000 yd (11 km)[4]
  • Depth: > 1,200 ft (365 m)
  • Speed: > 40 knots (46 mph, 74 km/h)[4]
  • Guidance System: Homing mode: Active or passive/active acoustic homing[5]
  • Launch/search mode: Snake or circle search
  • Warhead: 96.8 lb (44 kg)[4] of PBXN-103 high explosive (bulk charge)
  • Date Deployed: 1967 (Mod 0);[4] 1979 (Mod 5)

Yu-7 variant

The Chinese Yu-7 torpedo is said to be based on the Mk 46 Mod 2.{{cn|date=December 2017}} Currently, the Chinese Navy use the Yu-7 ASW torpedo, deployed primarily on ships and ASW helicopters.[6]

Operators

{{div col|colwidth=16em}}
  • {{flag|Australia}}
  • {{flag|Bahrain}}
  • {{flag|Belgium}}
  • {{flag|Brazil}}
  • {{flag|Canada}}
  • {{flag|Chile}}
  • {{flag|Ecuador}}
  • {{flag|Egypt}}
  • {{flag|France}}
  • {{flag|Germany}}
  • {{flag|Greece}}
  • {{flag|Indonesia}}
  • {{flag|Iran}}
  • {{flag|Israel}}
  • {{flag|Italy}}
  • {{flag|Japan}}
  • {{flag|Kuwait}}
  • {{flag|Mexico}}
  • {{flag|Morocco}}
  • {{flag|Netherlands}}
  • {{flag|New Zealand}}
  • {{flag|Norway}}
  • {{flag|Pakistan}}
  • {{flag|Peru}}
  • {{flag|Portugal}}
  • {{flag|Saudi Arabia}}
  • {{flag|South Korea}}
  • {{flag|Spain}}
  • {{flag|Taiwan}}
  • {{flag|Thailand}}
  • {{flag|Turkey}}
  • {{flag|United Arab Emirates}}
  • {{flag|United Kingdom}}
  • {{flag|United States}}[7]
{{div col end}}

See also

  • CAPTOR mine (a sea mine which incorporates a Mk 46 torpedo)
  • MU90 Impact torpedo
  • Mark 50 torpedo
  • Mark 54 MAKO Lightweight Torpedo
  • Stingray torpedo

References

Citations
1. ^{{cite web | last= Jolie | first = E.W. | title = A Brief History of US Navy Torpedo Development: Torpedo Mk46 | date = 15 September 1978 | url= http://www.maritime.org/doc/jolie/part2.htm | accessdate = 24 June 2013}}
2. ^{{cite web | title = The US Navy Fact File: Mark 46 Torpedo | date = 27 November 2012 | url= http://www.navy.mil/navydata/fact_display.asp?cid=2100&tid=900&ct=2 | accessdate = August 9, 2018}}
3. ^{{cite book | last = Friedman | first = Norman | authorlink = Norman Friedman | title = U.S. Submarines Since 1945: An Illustrated Design History | publisher = Naval Institute Press | year = 1994 | location = Annapolis, Maryland | pages = 109-114 | url = | doi = | isbn = 1-55750-260-9 }}
4. ^Thomas, Vincent C. The Almanac of Seapower 1987 Navy League of the United States (1987) {{ISBN|0-9610724-8-2}} pp.190-191
5. ^Polmar, Norman "The Ships and Aircraft of the U.S. Fleet: Torpedoes" United States Naval Institute Proceedings November 1978 p.160
6. ^(Chinese language) {{webarchive|url=https://web.archive.org/web/20061102073156/http://mil.jschina.com.cn/huitong/missile1.htm |date=2006-11-02 }}
7. ^{{cite web|url=http://www.weaponsystems.net/weapon.php?weapon=HH14+-+Mk+46|title=Mk 46 torpedo - Weaponsystems.net|website=www.weaponsystems.net}}

External links

  • DiGiulian, Tony, Navweaps.com: USA Torpedoes
  • Unofficial U.S. Navy Site: MK-46 Torpedo
  • FAS: MK-46 Torpedo
{{Mark-series torpedoes}}{{Use dmy dates|date=June 2017}}{{DEFAULTSORT:Mark 46 Torpedo}}

4 : Cold War anti-submarine weapons of the United States|Torpedoes of the United States|Torpedoes of the United Kingdom|Aerial torpedoes

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