106 mm
Double base seven perforated propellant cylindrical grain, category M26 is a kind of double base propellant containing Nitrocellulose (NC), Nitroglycerine (NG), Barium Nitrate, Potassium Nitrate, Centralite and Graphite (as glazing agent). This propellant is used in 106mm anti-tank and anti-personnel ammunitions for M40 recoilless gun.
TECHNICAL SPECIFICATIONS
Average length (L) | 13 ± 1 mm |
Diameter (D) | 5.5 ± 0.5 mm |
Web (W) | 0.9 ± 0.1 mm |
Perforation diameter (d) | 0.55 ± 0.05 mm |
Total volatiles | Max. 0.7 % |
Chemical stability (120 °C ) | 40 min. |
Heat of explosion (Max.) | 1020 cal/gr |
BALLISTIC SPECIFICATIONS
Tested items | Antitank | Antipersonnel |
Total charge (gr) | ~3600 | ~3800 |
Mean Muzzle Velocity (m/s) | 503 ± 15 | 485 ± 15 |
Average Pressure at 21°C (kg/cm²) | ≤ 680 | ≤ 680 |
Std. Dev. of Velocity (m/s) | ≤ 3.5 | ≤ 3.5 |
| Attachment | Size |
|---|---|
| chapter 1-5_25_0.pdf | 740.99 KB |
