| RM-51 multiple rocket launcher | |
|---|---|
 RM-51, mounted on ZIL-157 truck, displayed 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 |
| Caliber | Diameter: 130 mm (5.1 in) Length: .8 m (2 ft 7 in) Weight: 24.2 kg (53 lb)[1] |
| 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 |
| Maximum 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.
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