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Lightweight ASW torpedo From Wikipedia, the free encyclopedia
The Torped 47 or SLWT (Saab’s 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.[2]
Torped 47 | |
---|---|
Type | Lightweight ASW torpedo |
Place of origin | Sweden |
Service history | |
In service | 2022 |
Used by | Swedish Navy Finnish Navy |
Production history | |
Designed | 2015 |
Manufacturer | Saab Dynamics |
Specifications | |
Mass | approx. 340 kg[1] |
Length | 2,850 mm (112 in) |
Diameter | 400 mm (16 in) |
Warhead | IM compliant, omnidirectional, PBX |
Warhead weight | approx. 50 kg AS(u)W |
Engine | Electric DC motor with gearbox |
Drive | Pumpjet |
Propellant | lithium-based rechargeable battery |
Operational range | ≥20 km (>1h), prepared for ≥50 km |
Maximum depth | +300 m |
Maximum speed | +40 kts |
Guidance system | Active and passive (fully digital), prepared for HF. Hydro-acoustic homing combined with galvanic wire/optic fibre guidance and on-board computer |
Launch platform | Stationary, surface vessels, submarines, helicopters and airplanes |
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).[2]
Torpedo 47 can be launched from a variety of platforms including stationary, surface vessels, submarines, helicopters and airplanes like Saab Swordfish MPA.[3][4] 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.[2]
SLWT will be delivered to the Finnish Navy as part of the Squadron 2020 program[5] and will be installed on the Hamina-class during MLU and the new Pohjanmaa-class corvette.[6][7]
In October 2022 Saab delivered the first Torped 47 to the Swedish FMV. This is the final step before it will be introduced in the Swedish Navy.[2][8]
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