motars..
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how do these work?i mean they just drop the bomb into the tube and then it flies off....?
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It's a shell.
not a bomb. -
and its mortars
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oooooooooops
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u drop into the mortar tube and trigger it..The chargers will propel the mortar out the tube and towards the target...The mortar will either go off at the point of impact or a distance away from it...
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No, Johnston, for a mortar, the projectile is known as a bomb. I had been in both gun and mortar batteries.Originally posted by Johnston:It's a shell.
not a bomb. -
Many modern mortars can be fired automatically (i.e. when you drop the bomb into the tube, it fires imediately) or manually (i.e. when the bomb is in the tube, you need to pull the firing lanyard to fire).Originally posted by *Lord Kang*:u drop into the mortar tube and trigger it..The chargers will propel the mortar out the tube and towards the target...The mortar will either go off at the point of impact or a distance away from it...
The term is "charges" not "chargers" (chargers are used in loading ammo into old-type rifles like the No. 4) -
for mortar, it ought to be call a bomb. it's only shell when the firing units are guns.Originally posted by Johnston:It's a shell.
not a bomb. -
It's a bomb.
Not a shell.
Only arty uses shells....
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The "secret" is the propellent charge. As I recall, the base of the mortar bomb has an ignition charge & also packed "powder increments" bundles fitted into the fin blades. The latter dictates the desired range of your round; the command will come down as "Charge X" (where X is a number) & you remove the unwanted increments accordingly.
The mortar barrel's elevation allows an inserted bomb to slide towards the base cap, which has a firing pin. Upon striking the latter, the ignition cartridge explodes & in turn enkindles the propellent charge, eliciting gas pressure that shoots the round up & out. -
The base of the mortar bomb has a primary charge, not an "ignition charge". "packed powder increments bundles" are secondary charges, also called augmenting charges and fitted on top, not "into the fin blades".Originally posted by Moxie:The "secret" is the propellent charge. As I recall, the base of the mortar bomb has an ignition charge & also packed "powder increments" bundles fitted into the fin blades. The latter dictates the desired range of your round; the command will come down as "Charge X" (where X is a number) & you remove the unwanted increments accordingly.
The mortar barrel's elevation allows an inserted bomb to slide towards the base cap, which has a firing pin. Upon striking the latter, the ignition cartridge explodes & in turn enkindles the propellent charge, eliciting gas pressure that shoots the round up & out.
"The latter dictates the desired range of your round" - Actually, the charges and the elevation of the barrel determines the range.
The mortar barrel's elevation allows an inserted bomb to slide towards the base plate, not "base cap", which has a firing pin.
"Upon striking the latter, the ignition cartridge explodes & in turn enkindles the propellent charge, eliciting gas pressure that shoots the round up & out." Actually, the firing pin strikes the percussion cap at the base of the bomb which ignites the primary charge and the secondary charges, if attached
[b]Edited:
OOps, changed primer to percussion cap. Even though I served in gun and mortar battalion, my main training is gun, and gun uses primers
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thankewwww
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~lol~ Okay, so much for my Hokkien-to-English translation ...
For the uninitiated: Google around for pix's of an artillery shell vs. mortar bomb, & notice how differently they're shaped.
Brings back memories: The one time my unit misfired a round happened during a hasty deployment; the automatic evacuation drill meant we all ran like hell in every possible direction (vivid cuz 18 M113's were, more or less, lined up in one straight line). The safety officer later went back to check on the supposed faulty barrel, ruled that the augmenting charge was improperly packed, & in turn berated the ammo loader for sloppy rote-checking. The bewildered fellow immediately kena 4 weekend extra's. -
Originally posted by Moxie:
It should be the bomb preparer that is improperly packing the augmenting charges, not ammo loader
~lol~ Okay, so much for my Hokkien-to-English translation ...
For the uninitiated: Google around for pix's of an artillery shell vs. mortar bomb, & notice how differently they're shaped.
Brings back memories: The one time my unit misfired a round happened during a hasty deployment; the automatic evacuation drill meant we all ran like hell in every possible direction (vivid cuz 18 M113's were, more or less, lined up in one straight line). The safety officer later went back to check on the supposed faulty barrel, ruled that the [b]augmenting charge was improperly packed, & in turn berated the ammo loader for sloppy rote-checking. The bewildered fellow immediately kena 4 weekend extra's.[/b]
Anyway, the "ammo loader" got the extras for nothing. It seemed to me that the safety officer knew a lot of nothing about mortars. If the augmenting charges were packed wrongly, the primary charge is sufficient to propel the bomb out of the barrel (unless the "ammo loader" somehow packed the augmenting charge in a way that obstructs the firing pin striking the percussion cap). Admittedly, if the primary charge had ignited but not the secondary charge, the situation would have been worse as the bomb would have dropped short into an unantciipated area.
This brings to mind an incident described by my uncle who was in the first batches of NS. He was a signaller attached to an infantry support company armed with 81mm mortars. During a life firing, a bomb did not fire. The mortar men took a broom stick, put it into the barrel and dug around. The bomb suddenly shot out taking the broom with it.
Apparently, nobody got hurt. Seemed like training then was not that safety oriented
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omg..........that was real smart....