The M1 mortar is an American 81 millimeter caliber mortar. It was based on the French Brandt mortar. The M1 mortar was used from before World War II until the 1950s when it was replaced by the lighter and longer ranged M29 mortar. Weight:

The W87 fires a Chinese series of 81mm shells out to 5.6 km, or even over 6 km with special ammunition. The maximum rate of fire of both models is 20 rpm. The W91 long range model has a maximum range of 8 km with a new type of bomb and has a maximum rate of fire of over 25 rpm.

An 81-mm mortar is a medium-weight mortar. It is a smooth-bore, muzzle-loading, high-angle-of-fire weapon used for long-range indirect fire support of light infantry, air assault, and airborne units across the entire front of a battalion zone of influence. [1][2] Many countries use or have used an 81-mm mortar in their armed forces. Examples are:

The Mk 2 Mod 1 81-mm mortar was an unconventional weapon for an unconventional war. The unusual system combined two different weapons, both well known to the U.S. Marine Corps and the Army: the 81-mm mortar and the ubiquitous Browning M2 …

Jul 22, 2024 · I can't find too much info on these, but here's what I do have. 81mm Brandt practice round. French design, used by many countries. These would have used a pressed-in ignition cartridge similar to a 12ga shotgun shell, hence the non-threaded tail orifice. Pre-WW2, as this style of tail fin was replaced by the M3 type early on.

It fires 81mm mortar round of Chinese design, but NATO ammunition can also be used. Based on the same design the W84 is available for 82mm Soviet rounds and as the long range W91 which features a longer barrel. The W87 fires 81mm shells out …

Below is a quick reference chart as published by the Army in the Ammunition Inspectors Guide 1944.

Fuzes-- How a mortar fuze works. (simplified) Mortar Fuzes Fuze, M45 Fuze, M52 Fuze, M52 Reproduction Fuze, M53 Fuze, M84 M52/M53 Fuze Comparison Shells-- 81mm Shell Quick Reference Guide 81mm Shell, M43 81mm Shell, M43A1 81mm Shell, M43A1B1 81mm Shell, M56 81mm Shell, M57 81mm Shell, M68 M43 81mm Mortar Round - Repainting and …

Dec 31, 2017 · 81 mm HE mortar projectiles generally contain anywhere between 400 g and 680 g of HE and have a maximum range of approximately 6,500 m. 82 mm HE mortar projectiles generally contain anywhere between 392 g and 680 g of HE and have maximum ranges of between 3,000 – 5,500 m.

BALLISTIC DATA FOR MORTAR: When using 81/82 mm Mortar M69 B-D, barrel length 1450 mm: Maximum range (0+6) Minimum range (0) Max mean operating pressure in mortar