81 MM SMOKE WP

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This bomb is suitable for use with Hotchkiss Brandt mortars, of the following types: i) MO-81-61 C Short barrel ii) MO-81-61 L Long barrel It produces smoke for screening and spotting purposes.

TECHNICAL DATA (81 MM HE M 57 D A2)

Complete Round

Weight with fuze

3.2 kg

Length with fuze

382 mm

Projectile

Body Material

Forged Steel

Color

Olive drab or deep bronze green

Explosive charge

650 gm of TNT

Fuze

Detonating direct action type with optional delay of 0.05 sec

Other Components

Primary cartridge

Double base propellant GBPa 0.15x1x1 in rolled paper tubes weighing 8.2 gm. (Type Z 58C)

Augmenting charge

7 horseshoe charges containing double base propellant GB Pa 0.25x2.5x2.5 each weighing 10.5 gm.

Tail unit

10 Aluminium alloy fins

Performance

Velocity

291 meters/sec

Accuracy:

Longitudinal PE

32 metres

Lateral PE

7.5 metres

Pressure :

Short barrel

100-510 kg/sq.cm.

Long barrel

100-570 kg/sq.cm.

Range:

Short barrel

100 - 4140 meter max

Long barrel

100 - 4550 meter max

Packing

3 bombs packed in waterproof cardboard/plastic container with carrying handle and 2 carriers (6 bombs) packed in a steel box:

Size of box

45.5 x 22.3 x 31.7 cm

Weight of box

29 kg

Colour & marking

Service brown with yellow/white stencilling