Coehorn
Encyclopedia
A Coehorn was a portable mortar
Mortar (weapon)
A mortar is an indirect fire weapon that fires explosive projectiles known as bombs at low velocities, short ranges, and high-arcing ballistic trajectories. It is typically muzzle-loading and has a barrel length less than 15 times its caliber....

 developed in the Netherlands by Menno van Coehoorn
Menno van Coehoorn
Menno, Baron van Coehoorn was a Dutch soldier and military engineer of Swedish extraction. He made a number of influential weaponry innovations in siege warfare and fortification techniques...

 in 1674 and in use from the seventeenth to the mid nineteenth centuries. Unlike larger, heavier mortars, the Coehorn was designed to be movable by as few as four men. By the time of the American Civil War, it was in service with both armies in twelve (4.62") and twenty-four pound varieties.

Like most other contemporary mortars, the Coehorn fired a powder-filled, time-fused shell
Shell (projectile)
A shell is a payload-carrying projectile, which, as opposed to shot, contains an explosive or other filling, though modern usage sometimes includes large solid projectiles properly termed shot . Solid shot may contain a pyrotechnic compound if a tracer or spotting charge is used...

at a relatively short range. Range could be altered by adding to or reducing the amount of powder loaded behind the shell. Its usually small powder charge and slow muzzle velocity meant that the shell's high, arching flight could be easily observed from ground level.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK