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 PRINT DOCUMENT |
The ammunition is of UK origin, identical to 20 Pr. Tank Gun. This can also be mounted on up-gunned Centurion tank. The gun is fired electrically.
ThisThis is a Q.F. Fixed ammunition and is made of core shot (sub-projectile), a sabot, a centering band, a driving band, a base, a sealing ring and a tracer.
All other designs of the ammunition parts and functioning are like Artillery components, excepting that this ammunition does not take any fuze and defeats the armour by its sheer kinetic energy. The cartridge case RW 244 is manufactured of drawn brass. Propellant is multi-tubular propellant picrite propellant NQ/M 047. Primer L1A4 (electric primer) is screwed at the base of the cartridge case. The primer is having a resistance of 15 to 65 ohms and functions when a firing voltage of 16 volts is applied to it. This ammunition manufactured to Government of India, Ministry of Defence Specification No. IA 1207 and Drawing No.IRW 133 GF. The practice version of this ammunition is called cartg. QF 105 mm DS/T Practice.
PHYSICAL CHARACTERISTICS :
Total length of ammunition |
836.42 mm |
| Total mass of ammunition | 15.481 Kgs |
| Mass of projectile | 5.90 Kgs |
| Propellant (ACM) | 5.65 Kgs |
| Explosive filling in primer | 28.97 g |
| Explosive filling in Tracer | 28.35 g |
| Net Explosive content | 6.5 Kgs |
PERFORMANCE CHARACTERISTICS :
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Muzzle Velocity |
1478 m/s |
| Maximum Range | 3500 m |
| Penetration | 120 mm at 60 º attack |
| Killing range against target | 914 m |
The primer is of electrical type and does not get initiated unless it receives the electric impulse. Further no fuze is assembled into the projectile. As such, this ammunition is absolutely safe during manufacture, storage and transit.
Due to its sound design and careful manufacture, the ammunition is very reliable for use in combat field environment.
Shelf life of the ammunition is 18 years
Each round is packed in one waterproof laminated paper container, the body and lid of which is sealed with two turns of tape adhesive water proof. Two such containered rounds are packed in one steel box C-38 A.
STOWAGE DIMENSION :
| Packing box size |
1097 mm x 413 mm x 195 mm |
| Gross weight | 66.0 kg |
| Net weight | 37.0 kg |
| Volume | 0.088 Cu.m |
HAZARD CLASSIFICATION :
| Cartridge is classified in | |
| Compatibility group |
E |
| Hazard division | 1.2 |
| Fire fighting classification | 4 |
Ordnance Factory Board
Ayudh Bhawan
Government of India
Ministry of Defence
10A S. K. Bose Road. Kolkata - 700 001, India.
Tel: 0091-33-248 9027 / 248 2103 / 248 5077-80
Fax : 0091-33-248 1748/210 8235
Mail : ofbtrade@dataone.in
http://www.ofbindia.com