25 cm schwerer Minenwerfer
| 25 cm schwerer Minenwerfer | |
|---|---|
25 cm schwered Minenwerfer n/A model with wheels attached, Warsaw, 2007. | |
| Type | Heavy trench mortar |
| Place of origin | German Empire |
| Service history | |
| In service | 1910–1918 |
| Used by | German Empire |
| Wars | World War I |
| Production history | |
| Designer | Rheinmetall |
| Designed | 1907–09 |
| Manufacturer | Rheinmetall |
| Produced | 1910–18 |
| No. built | approx. 1,234 |
| Variants | 25 cm sMW n/A |
| Specifications | |
| Mass | 768 kg (1,693 lb) |
| Barrel length | a/A: 75 cm (2 ft 6 in) L/3 n/A: 1.25 m (4 ft 1 in) L/5 |
| Shell | separate-loading, 4 disk charges |
| Calibre | 250 millimeters (9.8 in) |
| Recoil | hydro-spring |
| Carriage | box trail |
| Elevation | +45° to 75° |
| Traverse | 12° |
| Rate of fire | 20 rounds per hour |
| Muzzle velocity | 200 m/s (660 ft/s) |
| Effective firing range | 540 m (590 yd) |
| Maximum firing range | 970 m (1,060 yd) |
| Sights | panoramic |
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The 25 cm schwerer Minenwerfer (heavy mine launcher), often abbreviated as 25 cm sMW, was a heavy mine shell launching trench mortar developed for the Imperial German Army in the first decade of the 20th century.