Engineering:RM-51

RM-51 multiple rocket launcher
RM-51 multiple rocket launcher
	RM-51 on display at the National Museum of Military History in Sofia, Bulgaria.
Type	Self-propelled multiple rocket launcher
Place of origin	Czechoslovakia
Service history
In service	1956-late 1990s
Used by	See users
Production history
Designer	Škoda, Zbrojovka Brno and VTÚ
Designed	1949-1956
Manufacturer	Škoda
Variants	vz. 51, M-51, R-2
Specifications
Mass	7.575 tonnes
Length	7 m (23 ft 0 in)
Width	2.38 m (7 ft 10 in)
Height	2.18 m (7 ft 2 in)
Crew	6
Calibre	Diameter: 130 mm (5.1 in); Length: .8 m (2 ft 7 in); Weight: 24.2 kg (53 lb)
Barrels	32 (4 rows)
Elevation	+50°/0°
Traverse	240° (120° left/right)
Rate of fire	32 rockets in 12.4 seconds (2 min. reloading time)
Muzzle velocity	420 m/s (1,400 ft/s)
Maximum firing range	8.2 km (5.1 mi)
Main; armament	ORNNG missiles with NZ-60V warhead
Suspension	6×6 wheeled
Speed	40 km/h (25 mph) (road) ; 10 km/h (6.2 mph) (cross-country)

The RM-51 (Raketomet vzor 1951) multiple rocket launcher was a Czechoslovak army alternative of the BM-13 multiple rocket launcher developed in the 1950s.

Variants

Austria - 18 delivered in 1974, designated M-51.^[2]
Bulgaria - 24 delivered in 1963.^[3]
Indonesia - ^[4]
Czechoslovakia
Cuba - 20 delivered between 1965-1966.^[3]
Egypt - 50 delivered between 1957-1958.^[3]
Libya - 36 delivered between 1976-1977.^[3]
Romania - 58 delivered between 1956-1965.^[3] Designated R-2,^[5] the launchers were later mounted on ZIL-157 trucks.^[6]

Christopher Chant, A compendium of armaments and military hardware, Routledge, 1987, ISBN:0-7102-0720-4
Christopher F. Foss, Artillery of the World, ISBN:0-7110-0505-2
Franklin D. Margiotta, Brassey's encyclopedia of land forces and warfare, Brassey's, 1996, ISBN:1-57488-087-X
Stroea, Adrian, col. conf. univ. dr., Băjenaru, Gheorghe, lt. col, Artileria română în date și imagini, Editura Centrului Tehnic-Editorial al Armatei, București, 2010, ISBN:978-606-524-080-3

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