Ordtech

Rockets 2.75" inch (70 mm)

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Rocket Motor
Diameter 70 mm
Length 1003 mm
Mass 5.2 kg
Propellant Grain mass (Double Base, MK-43 Mod. 1) 2.9 kg
Average Thrust 3600 N
Average Pressure 8.50 Mpa
Burning Time 1.57 s
Rotation 20 rps
Igniter Resistance 1.15 Ohm
Temperature Limits -23 to +70
Packing: 4 rockets wooden container L 1125 mm x W 180 mm x H 195 mm volume 0.038 m3 mass 30 kg

Warheads

HE Warhead OMI-275-HE
HE Warhead is charged with high explosive Composition B (COMP B). It is identified by dark green color and inscriptions in yellow.
Diameter 70 mm
Length (without fuse) 325.5 mm
Mass (without fuse) 3.83 kg
Packing: Wooden case with 8 units Gross Mass 28 kg
Explosive Charge COMP B
Explosive Charge mass 1 kg (2.3 lbs)
Temperature Limits -55 C to +65 C
Wooden box measures 400 x 190 x 460 mm
Average number of fragments 700
Fuse OMI-912
Booster RDX Class C

Practice Warhead OMI-275-TP
TP warhead body is one-piece construction of cylinder-oval shape, fabricated from machined aluminum. The rear end is threaded externally for assembly to the Rocket Motor.
Overall Length 315 mm
Overall mass 2.4 kg
Packing: Wooden case with 8 units, mass 30 kg

Smoke Warhead OMI-275-SM
SM smoke warhead generates smoke emission upon impact, enabling pilot to locate this impact and allowing target marking. It is usable with all kinds of 2.75-inch motors.
Overall Length 283 +/- 3 mm
Overall mass 2.9 +/- 0.15 kg
Packing: Wooden case with 8 unit. Gross Mass 25 kg
Charge: Titanium tetrachloride TiC14
Charge mass 0.1 +/- 0.015 kg
Time of signalization 15 s
Temperature Limits for Warehousing -5 C to +50 C
Temperature Limits for Operation -5 C to +50 C
Wooden box 400 x 190 x 400 mm