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Mark 46 torpedo Contents Design details Yu-7 variant Operators See also References External links Navigation menu"A Brief History of US Navy Torpedo Development: Torpedo Mk46""The US Navy Fact File: Mark 46 Torpedo"(Chinese language)Archived"Mk 46 torpedo - Weaponsystems.net"DiGiulian, Tony, Navweaps.com: USA TorpedoesUnofficial U.S. Navy Site: MK-46 TorpedoFAS: MK-46 Torpedoe

Cold War anti-submarine weapons of the United StatesTorpedoes of the United StatesTorpedoes of the United KingdomAerial torpedoes


United States Navyanti-submarine warfaretorpedoNATOaerial torpedoesProject Nobskasubmarine warfareYu-7 torpedoChinese Navy












Mark 46 torpedo




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Mk 46 is also the designation of the Mk 46 Mod 0 variant of the M249 light machine gun









































Mark 46 torpedo

MK46 torpedo launch.jpg
A Mk 46 exercise torpedo launched from USS Mustin.

TypeLightweight antisubmarine torpedo[1]
Place of originUnited States
Service history
In service• Mod 0: 1963[1]
• Mod 5: 1979
Used bySee operators
Production history
DesignerNaval Ordnance Test Station Pasadena[1]
Aerojet[1]
Alliant Techsystems
Designed1960[1]
Manufacturer
Aerojet[1]
Naval Ordnance Station Forest Park
Honeywell
Raytheon[2]
VariantsMod 0[1]
Mod 1
Mod 2
Mod 5
Mod 5A
Mod 5A(S)
Mod 5A(SW)[2]
Specifications
Mass508 lb (230 kg)
Length8 ft 6 in (2.59 m)
Diameter12.75 in (324 mm)
Warhead
PBXN-103 high explosive (bulk charge)
Warhead weight96.8 lb (43.9 kg)
EngineTwo-speed, reciprocating external combustion
PropellantOtto fuel II
Operational
range
12,000 yd (11,000 m)
Maximum depth>1,200 ft (370 m)
Speed>40 kn (74 km/h)
Guidance
system
Active or passive/active acoustic homing
Launch
platform

Mark 32 Surface Vessel Torpedo Tubes, ASW Aircraft, RUM-139 VL-ASROC


A Mark 46 Mod 5A torpedo is inspected aboard the guided missile destroyer USS Mustin.




A French Lynx. helicopter carrying a Mk 46 torpedo.


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]




Contents





  • 1 Design details


  • 2 Yu-7 variant


  • 3 Operators


  • 4 See also


  • 5 References


  • 6 External links




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.[citation needed] Currently, the Chinese Navy use the Yu-7 ASW torpedo, deployed primarily on ships and ASW helicopters.[6]



Operators




Map with former Mark 46 operators in red




  •  Australia


  •  Bahrain


  •  Belgium


  •  Brazil


  •  Canada


  •  Chile


  •  Ecuador


  •  Egypt


  •  France


  •  Germany


  •  Greece


  •  Indonesia


  •  Iran


  •  Israel


  •  Italy


  •  Japan


  •  Kuwait


  •  Mexico


  •  Morocco


  •  Netherlands


  •  New Zealand


  •  Norway


  •  Pakistan


  •  Peru


  •  Portugal


  •  Saudi Arabia


  •  South Korea


  •  Spain


  •  Taiwan


  •  Thailand


  •  Turkey


  •  United Arab Emirates


  •  United Kingdom


  •  United States[7]



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. ^ abcdefg Jolie, E.W. (15 September 1978). "A Brief History of US Navy Torpedo Development: Torpedo Mk46". Retrieved 24 June 2013..mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em


  2. ^ ab "The US Navy Fact File: Mark 46 Torpedo". 27 November 2012. Retrieved August 9, 2018.


  3. ^ Friedman, Norman (1994). U.S. Submarines Since 1945: An Illustrated Design History. Annapolis, Maryland: Naval Institute Press. pp. 109–114. ISBN 1-55750-260-9.


  4. ^ abcdefg Thomas, Vincent C. The Almanac of Seapower 1987 Navy League of the United States (1987)
    ISBN 0-9610724-8-2 pp.190-191


  5. ^ abc Polmar, Norman "The Ships and Aircraft of the U.S. Fleet: Torpedoes" United States Naval Institute Proceedings November 1978 p.160


  6. ^ (Chinese language) Archived 2006-11-02 at the Wayback Machine


  7. ^ "Mk 46 torpedo - Weaponsystems.net". www.weaponsystems.net.




External links


  • DiGiulian, Tony, Navweaps.com: USA Torpedoes

  • Unofficial U.S. Navy Site: MK-46 Torpedo

  • FAS: MK-46 Torpedo










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