Specifications
Specifications of the weapon are as follows:
| Weight: | 67 kg (147.71 lb) |
| Total weight: | 145 lb 2 oz (65.83 kg) |
| Weight of tube: | 45 lb 9 oz (20.67 kg) |
| Weight of bipod: | 47 kg (103.62 lb) |
| Weight of base plate: | 51 lb 12 oz (23.47 kg) |
| Projectile weight: | 3.3 kg (Bad rounding here7.3 lb) |
| Over-all length: | 56 in (1,422.4 mm) |
| Length of tube, including base cap: |
49.5 in (1,257.3 mm) |
| Length of bore: | 45.75 in (1,162.1 mm) |
| Diameter of bore: | 82 mm (3.23 in) |
| Thickness of tube wall: | 0.275 in (7.0 mm) |
| Length of base plate: | 6.5 in (165.1 mm) |
| Width of base plate: | 26.5 in (673.1 mm) |
| Elevation: | +45 to +85 degrees |
| Muzzle velocity: | 196 m/s (643 ft/s) |
| Range: | 2,800 m (9,186 ft 4 in) |
Read more about this topic: Type 97 81 Mm Infantry Mortar