Name: 81 mm HE bomb HE70/Mk4
Availability: InStock

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Western Europe

Austria

<h2>Armament</h2><p>HP mortar M8-111 , M8-211 , Tampella, UK L16A1 , US M29 and similar 81 mm mortars.</p><h2>Development</h2><p>By Hirtenberger AG.</p><h2>Description</h2><p>The streamlined body is of spheroidal graphitic cast iron; at the rear end is a tail tube and six fins of extruded aluminium alloy. A plastic obturating ring is fitted into a groove at the bourrelet, giving excellent gas sealing and ballistic regularity, and is discarded as the bomb leaves the muzzle of the mortar. A primary cartridge is screwed into the tail tube and six (three large and three small) (normal charge) or seven (Super charge) horseshoe secondary charges clip around the tail tube above the fins. Specifications (Mk4 in parentheses) Length: fuzed - 487 mm (490 mm) unfuzed - (430 mm) Weight, fuzed: 4.15 kg Weight and type of payload: 750 g TNT Number of charges: P + 6, 1,165 mm barrel; (P + 7, 1,365 mm barrel) Fuze: impact SQ and delay DM 113A3 Max range: 5,300 m (6,700 m in 1,365 mm barrel) Chamber pressure: < 650 bar (< 900 bar, P + 7) Ballistic performance: Charge Muzzle velocity Max range P 73 m/s n/avail 3 162 m/s n/avail 6 256 m/s 4,600 m S n/avail 5,300 m Status: No longer manufactured.</p><h2>Manufacturer</h2><p>Hirtenberger AG.</p>

The streamlined body is of spheroidal graphitic cast iron; at the rear end is a tail tube and six fins of extruded aluminium alloy. A plastic obturating ring is fitted into a groove at the bourrelet, giving excellent gas sealing and ballistic regularity, and is discarded as the bomb leaves the muzzle of the mortar.

A primary cartridge is screwed into the tail tube and six (three large and three small) (normal charge) or seven (Super charge) horseshoe secondary charges clip around the tail tube above the fins. (Mk4 in parentheses) Length: fuzed - 487 mm (490 mm) unfuzed - (430 mm) Weight, fuzed: 4.15 kg Weight and type of payload: 750 g TNT Number of charges: P + 6, 1,165 mm barrel; (P + 7, 1,365 mm barrel) Fuze: impact SQ and delay DM 113A3 Max range: 5,300 m (6,700 m in 1,365 mm barrel) Chamber pressure: < 650 bar (< 900 bar, P + 7) Ballistic performance: Charge Muzzle velocity Max range P 73 m/s n/avail 3 162 m/s n/avail 6 256 m/s 4,600 m S n/avail 5,300 m Status: No longer manufactured. Applications include HP mortar M8-111 , M8-211 , Tampella, UK L16A1 , US M29 and similar 81 mm mortars.

81 mm HE bomb HE70/Mk4

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