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WS 1B Multiple Launch Rocket System
WEISHI SERIES MULTIPLE LAUNCH ROCKET SYSTEM
The WeiShi (WS) family of the multiple launch rocket systems were developed by Sichuan Aerospace Industry Corporation (SCAIC, also known as Base 062) in Chengdu, Sichuan Province. The WeiShi series rocket systems include the 302mm WS-1 (100km range), the improved 302mm WS-1B (180km range), the 122mm WS-1E (40km), and the latest 400mm WS-2 (200km range). The WS-1 series weapon system did not enter PLA service and has not received any order from foreign customer. The WS-2 may finally see PLA service in the future.
WS-1B
SCAIC continued the WS-1 development in the 1990s and introduced the improved WS-1B in the late 1990s. The WS-1B mainly targeted the foreign customers and was actively marketed by Beijing-based China National Precision Machinery Corporation (CPMIEC). Again the weapon system failed to attract any buyer. Compared to the WS-1, the WS-1B features an increased range of 180km. A WS-1B rocket battalion is equipped with
DZ-4B firing command truck (5 men): 1;
HF-4B rocket launch truck (3 men): 6~9;
QY-4B transport and loading truck (3 men): 6~9;
Type 702 high-altitude meteorological radar (3 men): 1;
Rockets per launch truck: 40~60;
WS-1E
The WS-1E is the 122mm multiple rocket system developed by SCAIC as a successor to the PLA’s current Type 81 122mm rocket system. It is similar to the Type 90 122mm rocket system and did not enter production. A WS-1E rocket battalion is equipped with /p]
DZ-88B firing command truck (5 men): 1;
MF-40 rocket launch truck (3 men): 6;
Rockets per launch truck: 120~160;
WS-2
During the 2004 Zhuhai Air Show, SCAIC revealed its latest WS-2 multiple launch rocket system. The weapon is fitted with 6 box-shape launchers and fires 400mm rockets to a maximum range of 200km. The WS-2 is fitted with a primitive cascade inertial terminal guidance to compensate the degraded accuracy cause by the long distance flight of the rocket. A WS-2 rocket battalion is equipped with
Firing command truck (5 men): 1;
Rocket launch truck (3 men): 6;
Tansport and loading truck (3 men): 6~9;
Rockets per launch truck: 30~48;
ARMAMENT
The free rocket used by the WS-1 and WS-1B consists of the warhead and fuse, an FG-42/43 rocket motor and the tail section. The FG-42/43 rocket motor is a single chamber, solid rocket motor with an advanced hydroxy-terminated polybutadine (HTPB) composition rocket propellant. The rocket of the WS-2 system features four control surfaces in the middle section of the rocket for terminal guidance.
The rocket can be fitted with various types of warheads including anti-armour/personnel submunition, blasting, fuel air explosive (FAE), and high-explosive (HE). The ZDB-2 blasting warhead is loaded with steel balls and prefabricated fragments. The SZB-1 submunition warhead is designed to destroy large area targets such as armour formation and infantry troops. When the SZB-1 submunition warhead detonates, around 500 bullets are expelled under high pressure.
LAUNCH TRUCK
The launch truck is available in a number of variants. The MF-4 launch truck is based on a Chinese indigenous 6X6 truck chassis. The HF-4 launch truck is based on the more capable Tiema XC2200 6X6 truck. The WS-2 uses a heavier 8X8 Taian TAS-5380 truck chassis. The launch tubes have an elevation range of 0° to 60° and azimuth range of -30° to +30°. The truck is equipped with four hydraulically operated stabilisers which are lowered in preparation for the rocket launch.
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