CARTRIDGE R-4 PYRO CUTTER
TECHNICAL SPECIFICATIONS :

Length

87- 0.2 mm

Diameter

8.9 - 0.5mm

Estimated mass

17.7 g(approx)

Net Expl content 0.450g (approx)
Shelf Life 5 years
Delay time 3.52 to 4.80sec
 
ROLL :
The cartridge is fitted on the backrest of ejection seat of the Air Craft. Two cartridges are fitted for redundancy purpose. This is used to cut the nylon cord tied over the canvas flap thereby releasing the conical spring to force out the radio beacon along with the antenna from the ejection seat.
FUNCTION :
The cartridge functions during deployment of main parachute with a delay of 3.5 to 4.8 sec. to cut the cord which ensures that there is no entanglement of the radio beacon antenna with the parachute rigging lines. This helps in transmitting the signals to the search party to locate the safe landed pilot.
QUALITY :
Quality Assurance system on the product is based in accordance with ISO standard ISO-9001, IS-2500/BS-6000 and related specn. JSS/BIS/IND/(ME) and store specn./Drawing.
SAFETY :
Design ensures total safety during handling storage and transportation
RELIABILITY :
The ammunition has an overall reliability of 97.5%.
PACKING :
8 cartgs are inserted in a polythene sleeve and this sleeve is put in a plastic container. 9 nos. of such plastic containers are packed in a steel box.

STOWAGE DIMENSIONS :

311 mm x 156 mm x 194 mm

 
HAZARD CLASSIFICATION :

Compatibility

G

Hazard Division

1.2

Fire fighting

2

Contact :
Marketing & Export Division
Ordnance Factory Board
Ayudh Bhawan
Government of India
Ministry of Defence
10A, S. K. Bose Road, Kolkata – 700 001, India.

Tel: 0091-33-2248 9027 / 2248 2103 / 2248 5077-80
Fax : 0091-33-2248 1748/2210 8235
Mail : ofbtrade@dataone.in
http://www.ofb.gov.in