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Naval Weapon System Torped 45 / Torped 47 SLWT lightweight Torpedo |
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| 08/22 |
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The Torped 45 ... is a lightweight torpedo intended for ASW and surface targets, providing multiple-target active/passive homing combined with wire guidance. It is designed and manufactured by Saab Dynamics. It was designed for the Swedish Navy, based on the experience gathered from the well proven 43-series of torpedoes. Torpedo 45 can be launched from a variety of platforms including stationary, surface vessels, submarines and helicopters. It was specifically designed to operate against shallow-water targets and surface vessels. It is controlled using wire guidance and has a hydro-acoustic homing system for the final phase. The torpedo has features that are unique for lightweight torpedoes. It combines wire guidance and homing control It can be launched from submarines, surface vessels and helicopters It can be wire-guided from a flying or hovering helicopter (no parachute necessary) Its warhead has a main charge large enough to take out any conventional submarine or seriously damage light surface vessels In exercise torpedo launches, the warhead is replaced by an exercise head carrying identical homing equipment. Instead of explosives, the exercise head has a tape recorder for logging a number of torpedo functions, communication with fire-control and hit indications. After each run, the recordings are analysed and torpedo and fire-control functions are checked. Technical data: Diameter: 400 mm (16 in) Length: 2850 mm (112 in) Mass: 320 kg Propulsion: electric DC motor with gearbox / AgIZn battery 4.2 kWh / 3 speed thyristor battery switching unit Guidance: hydro-acoustic homing combined with wire guidance and on-board computer Launching platforms: ships, submarines and helicopters - - - - - The Torped 47 or SLWT (Saab Lightweight Torpedo) ... is a new lightweight torpedo intended for ASW and surface targets, providing multiple-target active/passive homing combined with wire guidance. It is designed and manufactured by Saab Dynamics as a replacement for the Torped 45. The torpedo is designed for the Swedish Navy and it will be equipped with both a passive and an active homing device and use wire communication like the Torpedo 45, using a galvanic wire (later also an optical wire). Torpedo 47 can be launched from a variety of platforms including stationary, surface vessels, submarines, helicopters and airplanes like Saab Swordfish MPA. It is specifically designed to operate against littoral submarine targets and surface vessels. It is controlled using wire guidance and has a hydro-acoustic homing system for the final phase. The torpedo has features that are unique for lightweight torpedoes. SLWT will be delivered to the Finnish Navy as part of the Squadron 2020 program and will be installed on the Hamina-class during MLU and the new Pohjanmaa-class corvette. Technical data: Diameter: 400 mm (16 in) Length: 2850 mm (112 in) Mass: 340 kg Range: >20 km (> 1h) Max. depth: 300+ meters Speed: 40+ knots (74+ km/h), max. Propulsion: electric DC motor with gearbox / Lithium-based rechargeable battery / Pumpjet (ducted rotor/stator) Guidance: Active and passive (fully digital) sonar. Hydro-acoustic homing combined with wire guidance and on-board computer Communication: galvanic wire / optic fibre Warhead: IM compliant, omnidirectional, PBX / 50 kg Proximity fuse: multi-beam sonar Launching platforms: ships, submarines, aircraft sources: wikipedia, Saab, Försvarsmakten |
| images |
 Torped 47 / SLWT  Torped 47 / SLWT  Torped 47 / SLWT  Torped 47 / SLWT  Torped 47 / SLWT  Torped 47 / SLWT  Torped 47 / SLWT  Torped 47 / SLWT was launched from a Visby class Corvette  Torped 47 / SLWT was launched from a Visby class Corvette  Torped 47 / SLWT was launched from a Visby class Corvette  torpedo launcher aboard a Visby class Corvette  Torped 47 / SLWT was loaded into a Submarine  Torped 47 / SLWT was test-fired from a Visby class Corvette  Torped 45  Torped 45  Torped 45  Torped 45 |
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