Difference between revisions of "GWS.41 Loon"

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|LMR-21  
 
|LMR-21  
 
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|style="vertical-align:top; text-align:right; font-weight:bold;"|[[Defence Procurement Agency (Isselmere-Nieland)|DPA No.]]
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|style="vertical-align:top; text-align:right; font-weight:bold;"|[[Defence Procurement Agency (Isselmere-Nieland)#41-60|GSI No.]]
 
|GWS.41
 
|GWS.41
 
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The '''GWS.41 Loon''' is an anti-submarine missile that can be launched either from surface ships or submarines. It carries 200-350kg lightweight (i.e. 324mm) torpedo to the last noted position of the target before releasing its payload.
+
The '''GWS.41 Loon''' is an [[Wikipedia:Anti-submarine weapon|anti-submarine missile]] that can be launched either from surface ships or [[Wikipedia:Submarine|submarine]]s. It can carry a 200-350 [[Wikipedia:Kilogram|kg]] lightweight (i.e. 324 [[Wikipedia:Millimetre|mm]]) [[Wikipedia:Torpedo|torpedo]] to the last noted position of the target before releasing its payload.
  
−
The weight of the launch vehicle, with booster but without the torpedo, is about 500kg (497.94kg; 376.71kg without booster). With an MU 90 torpedo, the Loon can attain a range of up to 60km, with an initial speed (ballistic phase) of up to Mach 2.25. The launch vehicle can be continuously updated by the firing vessel while in flight. Once the booster engine has been detached, the Loon cruises to the target using a high efficiency turbojet engine at trans-sonic (high subsonic) speed. Above the target, the launch vehicle releases the payload, which then parachutes into the water and proceeds to seek its foe.
+
The weight of the launch vehicle, with booster but without the torpedo, is about 500 kg (497.94 kg; 376.71 kg without booster). With an [[Wikipedia:MU90 Impact|MU90 Impact]] torpedo, the Loon can attain a range of up to 60 [[Wikipedia:Kilometre|km]], with an initial speed (ballistic phase) of up to [[Wikipedia:Mach|Mach]] 2.25. The launch vehicle can be continuously updated by the firing vessel while in flight. Once the booster engine has been detached, the Loon cruises to the target using a high efficiency turbojet engine at trans-sonic (high subsonic) speed. Above the target, the launch vehicle releases the payload, which then parachutes into the water and proceeds to seek its foe.
  
 
The Loon can be launched by a ship equipped with a [[Wikipedia:Vertical_Launching_System#United_States_of_America|Mark 41 VLS]], or a ship or submarine able to fire a [[Wikipedia:BGM-109 Tomahawk|BGM-109 Tomahawk]] missile.
 
The Loon can be launched by a ship equipped with a [[Wikipedia:Vertical_Launching_System#United_States_of_America|Mark 41 VLS]], or a ship or submarine able to fire a [[Wikipedia:BGM-109 Tomahawk|BGM-109 Tomahawk]] missile.
  
−
==GWS.41==
+
==GWS.41-1==
−
'''Type:''' [[Wikipedia:Anti-submarine weapon|Anti-submarine missile]]<br>
+
'''Type:''' Anti-submarine missile<br>
 
'''Service designation:''' Surface ship: MUM.41A; Submarine: UUM.41A<br>
 
'''Service designation:''' Surface ship: MUM.41A; Submarine: UUM.41A<br>
−
'''Dimensions:''' Length: 5.25m (without booster), 5.7m (with booster), 6.25m (submarine launch canister); Diameter: 464mm (pre-launch), 533mm (stabilising fins, submarine launch canister); Wingspan: 1.624m (wings of launch vehicle extended)<br>
+
'''Dimensions'''<br>
−
'''Mass:''' 680.71kg (without booster), 801.94kg (with booster), 948.68kg (submarine launch canister).<br>
+
Length: Without booster: 5.25 m; with booster: 5.7 m; submarine launch canister ('''SLC'''): 6.25 m<br>
 +
Diameter: Pre-launch: 464 mm; SLC: 533 mm<br>
 +
Finspan: Initial phase: 533 mm<br>
 +
Wingspan (extended): 1.624 m<br>
 +
'''Mass:''' MUM.41A: 801.94 kg; UUM.41A: 948.68 kg{{ref|AUR}}<br>
 +
Transport/launch canister ('''TLC''', empty)<br>
 +
—MME.41A1 (GWLS.33M2):<br>
 +
—MME.41A2 (GWLS.35M):<br>
 +
—MME.41A3 (GWLS.35M2):<br>
 +
Submarine launch canister ('''SLC''', empty): 146.74 kg<br>
 +
Launch vehicle (without warhead): 497.94 kg; booster: 121.23 kg; carrier: 376.71 kg<br>
 +
'''Propulsion:''' 1st stage: Solid rocket booster (RBS.41A); 2nd stage: [[Isselmere Motor Works]] ATG-3J turbojet sustainer motor; terminal stage: torpedo motor<br>
 
'''Payload:''' [[Wikipedia:EuroTorp|EuroTorp]] [[Wikipedia:MU90_Impact|MU90 Impact]] lightweight [[Wikipedia:Torpedo|torpedo]]<br>
 
'''Payload:''' [[Wikipedia:EuroTorp|EuroTorp]] [[Wikipedia:MU90_Impact|MU90 Impact]] lightweight [[Wikipedia:Torpedo|torpedo]]<br>
−
'''Range:''' 60km<br>
+
'''Range:''' 60 [[Wikipedia:Kilometre|km]]<br>
−
'''Speed:''' [[Wikipedia:Mach|Mach]] 2.25 (ballistic phase); Mach 0.6-0.85 (transitional); ~50kts (terminal velocity of MU 90 torpedo)<br>
+
'''Speed:''' [[Wikipedia:Mach|Mach]] 2.25 (ballistic phase); Mach 0.6-0.85 (transitional); ~50 [[Wikipedia:Knot (speed)|kts]] (terminal velocity of MU 90 torpedo)<br>
 
'''Price (without torpedo):''' $375,000 per unit (VL version), $385,000 (submarine launch canister)
 
'''Price (without torpedo):''' $375,000 per unit (VL version), $385,000 (submarine launch canister)
  
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'''Type:''' Anti-submarine missile<br>
 
'''Type:''' Anti-submarine missile<br>
 
'''Service designation:''' Surface launch: MUM.41B; submarine launch: UUM.41B<br>
 
'''Service designation:''' Surface launch: MUM.41B; submarine launch: UUM.41B<br>
−
'''Dimensions:''' Length: 5.27 [[Wikipedia:Metre|m]] (without booster), 5.72 m (with booster), 6.25 m (submarine launch canister); Diameter: 464 mm (pre-launch); 533 mm (stabilising fins, submarine launch canister); Wingspan: 1.624 m (wings of launch vehicle extended)<br>
+
'''Dimensions'''<br>
−
'''Mass:''' Device: 376.71 [[Wikipedia:Kilogram|kg]] (without payload), 713.24 kg (without booster), 834.47 kg (with booster), 981.21 kg (submarine launch canister).
+
Length: Without booster: 5.27 [[Wikipedia:Metre|m]]; with booster: 5.72 m ; SLC: 6.25 m<br>
 +
Diameter: Pre-launch: 464 mm; SLC: 533 mm<br>
 +
Finspan: Initial phase: 533 mm<br>
 +
Wingspan (extended): 1.624 m<br>
 +
'''Mass:''' MUM.41B: 834.47 kg; UUM.41B: 981.21 kg<br>
 +
TLC (empty)<br>
 +
—MME.41A1 (GWLS.33):<br>
 +
—MME.41A2 (GWLS.35M):<br>
 +
—MME.41A3 (GWLS.35M2):<br>
 +
SLC (empty): 146.74 kg<br>
 +
Launch vehicle (without warhead): 497.94 kg; booster: 121.23 kg; carrier: 376.71 kg<br>
 
*(Ex: 701.71 kg, 822.94 kg, 969.68 kg)
 
*(Ex: 701.71 kg, 822.94 kg, 969.68 kg)
 
'''Payload:''' [[Lyme and Martens Industries]] [[GWS.63 Barracuda|GWS.63A Barracuda]] lightweight torpedo<br>
 
'''Payload:''' [[Lyme and Martens Industries]] [[GWS.63 Barracuda|GWS.63A Barracuda]] lightweight torpedo<br>
Line 121: Line 142:
  
 
==GWS.41-3==
 
==GWS.41-3==
 +
Launch vehicle wings reconfigured as "diamond-shaped" to improve lift.  The turbofan sustainer motor is much more powerful and with a larger fuel tank for longer range.  Like earlier versions of the Loon, it may be reconfigured to carry either a conventional or a nuclear [[Wikipedia:Depth charge|depth charge]].  Unlike earlier versions, the heavier weight of the GWS.41M3 means it may only be fired from the [[GWLS.35 missile launching system|GWLS.35M]] (MMF.35) series missile launching system.
 +
 
'''Type:''' Anti-submarine missile<br>
 
'''Type:''' Anti-submarine missile<br>
 
'''Service designation:''' Surface launch: MUM.41C; submarine launch: UUM.41C<br>
 
'''Service designation:''' Surface launch: MUM.41C; submarine launch: UUM.41C<br>
−
'''Dimensions:''' Length: 5.27 [[Wikipedia:Metre|m]] (without booster), 5.72 m (with booster), 6.25 m (submarine launch canister); Diameter: 464 mm (pre-launch); 533 mm (stabilising fins, submarine launch canister); Wingspan: 1.624 m (wings of launch vehicle extended)<br>
+
'''Dimensions'''<br>
−
'''Mass:''' Device: 601.02 [[Wikipedia:Kilogram|kg]] (without payload), 937.55 kg (warshot without booster), 1096.91 kg (with booster), 1289.8 kg (submarine launch canister).<br>
+
Length: Booster: 0.591 m; carrier and payload, without booster: 5.534 [[Wikipedia:Metre|m]]; launch vehicle, complete: 6.125 m; SLC: 6.25 m<br>
 +
Diameter: 464 mm (pre-launch); 533 mm (stabilising fins, submarine launch canister)<br>
 +
Wingspan (extended): 1.624 m<br>
 +
'''Mass:''' MUM.41C: 1096.91 kg; UUM.41C: 1289.8 kg<br>
 +
TLC (empty): <br>
 +
SLC (empty): 192.89 kg<br>
 +
Launch vehicle (without warhead): booster: 159.36 kg; carrier: 601.02 kg<br>
 +
Weapon: 937.55 kg (without booster), 1096.91 kg (with booster)<br>
 
'''Propulsion:''' 1st stage: Solid rocket booster (RBS.41C); 2nd stage: turbofan sustainer motor; terminal stage: torpedo motor<br>
 
'''Propulsion:''' 1st stage: Solid rocket booster (RBS.41C); 2nd stage: turbofan sustainer motor; terminal stage: torpedo motor<br>
−
'''Payload:''' [[Lyme and Martens Industries]] [[GWS.63 Barracuda|GWS.63A Barracuda]] lightweight torpedo<br>
+
'''Payload:''' Lyme and Martens Industries GWS.63A Barracuda lightweight torpedo<br>
−
'''Range:''' 80 [[Wikipedia:Kilometre|km]]<br>
+
'''Range:''' 90+ [[Wikipedia:Kilometre|km]]<br>
−
'''Speed:''' [[Wikipedia:Mach|Mach]] 2.25 (ballistic phase); Mach 0.6-0.85 (transitional); ~50 [[Wikipedia:Knot (speed)|kts]] (terminal velocity of payload)<br>
+
'''Speed:''' [[Wikipedia:Mach|Mach]] 2.25 (ballistic phase); Mach 0.85-0.95 (transitional); 50+ [[Wikipedia:Knot (speed)|kts]] (terminal velocity of payload)<br>
−
'''Price (without torpedo):''' $415,000 per unit ([[Wikipedia:Vertical launching system|VL]] version), $385,000 (submarine launch canister)<br>
+
'''Price (without torpedo):''' $422,000 per unit ([[Wikipedia:Vertical launching system|VL]] version), $434,000 (submarine launch canister)<br>
−
'''Price (with torpedo):''' $2,625,000 per unit (VL version), $2,635,000 (submarine launch canister)
+
'''Price (with torpedo):''' $2,672,000 per unit (VL version), $2,684,000 (submarine launch canister)
 +
 
 +
==Notes==
 +
{|style="font-size:90%;"
 +
|
 +
#{{note|AUR}} ''All-Up Round'' ('''AUR'''): Includes submarine launch canister ('''SLC'''), launch vehicle, and payload.
 +
|}
  
 
{{Anti-submarine weapons}}
 
{{Anti-submarine weapons}}
 
{{Isselmere-Nieland Defence Industries}}
 
{{Isselmere-Nieland Defence Industries}}
 
{{Isselmere-Nieland}}
 
{{Isselmere-Nieland}}

Latest revision as of 21:52, 17 August 2007

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Profile (n/a)
Loon
Design details (GWS.41-2)
Function Anti-submarine missile
Manufacturer Lyme and Martens Industries
Design No. LMR-21
GSI No. GWS.41
Unit cost M2: $2.625 million (complete)
U2: $2.635 million (complete)
Service dates 2003-present
General characteristics
Length M2: 5.72 m
U2: 6.25 m
Diameter M2: 46.4 cm
U2: 53.3 cm
Finspan 53.3 cm (folded)
Wingspan 162.4 cm (extended)
Launch mass M2: 822.94 kg
U2: 969.68 kg
Flight characteristics
Propulsion RBS.41 solid rocket booster
ATG-27J turbojet sustainer
Flight control Tail control fins, thrust vectoring, extending wings
Speed Mach 0.85
Manoeuvrability >6g
Range 75 km
Ceiling 10 km
Guidance and payload
Guidance Midcourse:

Terminal:

Warhead GWS.63A Barracuda
Fuzes Hydrostatic proximity, contact
Launch platforms
Ship GWLS.33, GWLS.35, GWLS.58, Mk 41 VLS
Operators
UKIN

The GWS.41 Loon is an anti-submarine missile that can be launched either from surface ships or submarines. It can carry a 200-350 kg lightweight (i.e. 324 mm) torpedo to the last noted position of the target before releasing its payload.

The weight of the launch vehicle, with booster but without the torpedo, is about 500 kg (497.94 kg; 376.71 kg without booster). With an MU90 Impact torpedo, the Loon can attain a range of up to 60 km, with an initial speed (ballistic phase) of up to Mach 2.25. The launch vehicle can be continuously updated by the firing vessel while in flight. Once the booster engine has been detached, the Loon cruises to the target using a high efficiency turbojet engine at trans-sonic (high subsonic) speed. Above the target, the launch vehicle releases the payload, which then parachutes into the water and proceeds to seek its foe.

The Loon can be launched by a ship equipped with a Mark 41 VLS, or a ship or submarine able to fire a BGM-109 Tomahawk missile.

GWS.41-1

Type: Anti-submarine missile
Service designation: Surface ship: MUM.41A; Submarine: UUM.41A
Dimensions
Length: Without booster: 5.25 m; with booster: 5.7 m; submarine launch canister (SLC): 6.25 m
Diameter: Pre-launch: 464 mm; SLC: 533 mm
Finspan: Initial phase: 533 mm
Wingspan (extended): 1.624 m
Mass: MUM.41A: 801.94 kg; UUM.41A: 948.68 kg[1]
Transport/launch canister (TLC, empty)
—MME.41A1 (GWLS.33M2):
—MME.41A2 (GWLS.35M):
—MME.41A3 (GWLS.35M2):
Submarine launch canister (SLC, empty): 146.74 kg
Launch vehicle (without warhead): 497.94 kg; booster: 121.23 kg; carrier: 376.71 kg
Propulsion: 1st stage: Solid rocket booster (RBS.41A); 2nd stage: Isselmere Motor Works ATG-3J turbojet sustainer motor; terminal stage: torpedo motor
Payload: EuroTorp MU90 Impact lightweight torpedo
Range: 60 km
Speed: Mach 2.25 (ballistic phase); Mach 0.6-0.85 (transitional); ~50 kts (terminal velocity of MU 90 torpedo)
Price (without torpedo): $375,000 per unit (VL version), $385,000 (submarine launch canister)

GWS.41-2

Uses the GWS.63A Barracuda lightweight torpedo instead of the EuroTorp MU90 Impact.

Type: Anti-submarine missile
Service designation: Surface launch: MUM.41B; submarine launch: UUM.41B
Dimensions
Length: Without booster: 5.27 m; with booster: 5.72 m ; SLC: 6.25 m
Diameter: Pre-launch: 464 mm; SLC: 533 mm
Finspan: Initial phase: 533 mm
Wingspan (extended): 1.624 m
Mass: MUM.41B: 834.47 kg; UUM.41B: 981.21 kg
TLC (empty)
—MME.41A1 (GWLS.33):
—MME.41A2 (GWLS.35M):
—MME.41A3 (GWLS.35M2):
SLC (empty): 146.74 kg
Launch vehicle (without warhead): 497.94 kg; booster: 121.23 kg; carrier: 376.71 kg

  • (Ex: 701.71 kg, 822.94 kg, 969.68 kg)

Payload: Lyme and Martens Industries GWS.63A Barracuda lightweight torpedo
Range: 75 km
Speed: Mach 2.25 (ballistic phase); Mach 0.6-0.85 (transitional); ~50 kts (terminal velocity of payload)
Price (without torpedo): $375,000 per unit (VL version), $385,000 (submarine launch canister)
Price (with torpedo): $2,625,000 per unit (VL version), $2,635,000 (submarine launch canister)

GWS.41-3

Launch vehicle wings reconfigured as "diamond-shaped" to improve lift. The turbofan sustainer motor is much more powerful and with a larger fuel tank for longer range. Like earlier versions of the Loon, it may be reconfigured to carry either a conventional or a nuclear depth charge. Unlike earlier versions, the heavier weight of the GWS.41M3 means it may only be fired from the GWLS.35M (MMF.35) series missile launching system.

Type: Anti-submarine missile
Service designation: Surface launch: MUM.41C; submarine launch: UUM.41C
Dimensions
Length: Booster: 0.591 m; carrier and payload, without booster: 5.534 m; launch vehicle, complete: 6.125 m; SLC: 6.25 m
Diameter: 464 mm (pre-launch); 533 mm (stabilising fins, submarine launch canister)
Wingspan (extended): 1.624 m
Mass: MUM.41C: 1096.91 kg; UUM.41C: 1289.8 kg
TLC (empty):
SLC (empty): 192.89 kg
Launch vehicle (without warhead): booster: 159.36 kg; carrier: 601.02 kg
Weapon: 937.55 kg (without booster), 1096.91 kg (with booster)
Propulsion: 1st stage: Solid rocket booster (RBS.41C); 2nd stage: turbofan sustainer motor; terminal stage: torpedo motor
Payload: Lyme and Martens Industries GWS.63A Barracuda lightweight torpedo
Range: 90+ km
Speed: Mach 2.25 (ballistic phase); Mach 0.85-0.95 (transitional); 50+ kts (terminal velocity of payload)
Price (without torpedo): $422,000 per unit (VL version), $434,000 (submarine launch canister)
Price (with torpedo): $2,672,000 per unit (VL version), $2,684,000 (submarine launch canister)

Notes

  1. ^  All-Up Round (AUR): Includes submarine launch canister (SLC), launch vehicle, and payload.
Anti-submarine weapons
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