호치민 체온 38.5 - An Overview
호치민 체온 38.5 - An Overview
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as a result, they formed a sub-course inside the Mahan course, as all other users of that course ended up equipped with Mark 21 pedestal mounts in all five positions.
Bow of USS Mahan (DD-364) in June 1944. A further see of the Mark 21 open up-again protect pedestal mounts. Be aware the groove during the deck of Mount #2. This was to allow a route for ejected cartridge circumstances when the gun was at substantial elevations. The later on base ring mounts had the gun mounted several inches larger and so did not will need this groove. Observe the Mark 33 director and its recently added radar plus the non-slip tread material designs around the decks.
^All twin SP and DP mounts were being base ring styles and had been typically just like solitary enclosed base ring mounts. Twin mounts differed from one mounts in that there were twin powder hoists to the cartridges about the rotating composition together with twin shell hoists.
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For twin mounts, only one Regulator was Positioned among the guns from the forward portion of the gunhouse, controlling the fuzes for both guns. The Regulator for that integral hoists operated in an analogous manner into the a person described previously mentioned, but differed in that it had just one hand crank for manually placing the fuze time and in that it experienced a Battle buy Indicator. This indicator had two strains of fight Orders which were magnetically operated through the GFCS. The Upper Line indicated the mode of your gun whilst the reduced Line indicated the sort of ammunition for being fired. higher Line
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For open mountings, the scenarios were permitted to travel freely from the System deck into the emplacement deck but all over again at better elevations the shell guard/spademan and the recent situation gentleman required to eliminate the expended scenarios manually.
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changing a gun barrel on USS Taussig (DD-746) in 1969. The bayonet-joint connecting the gun barrel to your receiver group on this weapon intended that this sort of changeouts could be promptly and easily attained without having dismantling the gun household or dismounting the gun.
The second is the place the pc will not be utilised in the slightest degree along with the Fuze Setter Crewman, as directed by the Gun Captain, controls the fuze setting. As may be noticed in these photos, the Mechanical Fuze Setter experienced a few projectile slots. The ammunition passers put each projectile nose-down into one of several slots, fitting the set lug about the fuze (see illustration underneath) to the V-groove in the slot. Just about every slot had a rotating cup that has a pawl that engaged the time ring lug about the projectile. relocating this ring established the fuze time. Once the projectile was set up, the ammunition passer turned the crank Positioned down below the cup which rotated the cup and thus the fuze time ring to the initial environment. Afterwards, the Mechanical Fuze Setter would frequently rotate the nose cups to match the most up-to-date time setting as based on the computer (computerized Mode) or through the Fuze Setter Crewman (handbook manner). acquiring a few slots authorized adequate time for each successive projectile to get established to the correct time placing prior to the shell male (to start with loader) picked it out of the device and positioned it into the gun loading tray. This method of fuze location also allowed time fuzes to get frequently up-to-date by the computer till the moment they had been plucked through the equipment, thus ensuring the very best setting for every personal shell and reducing the "deadtime" interval concerning when a shell was plucked from the Mechanical Fuze Setter and when it was fired out with the gun. the main loader stepped on the foot pedal to lift the shell out in the nose cup system as he pulled the shell out of the Fuze Setter. When firing VT Fuzed (Proximity) AA projectiles, there was no ought to set some time because the VT fuze by itself established once the projectile should really detonate. The post-war managed Variable Time (CVT) Fuze did utilize a time environment which delayed enabling the fuze until eventually a handful of seconds in advance of it reached the focus on. This lowered the chances that rain or sea return would result in a untimely detonation.
The Mark 24 mountings were thought of as in close proximity to the maximum bodyweight doable that would still enable them to generally be hand worked within an unexpected emergency. These mountings had the common fuze-setter racks around the platform, managed by their Mark 33 Fire Manage devices (FCS).
These quantities, Mark and Mod numbers may not be in arrangement with a lot of the printed operates shown under, but I believe them being suitable dependent upon my investigation. In addition to Individuals ships stated earlier mentioned, this weapon was extensively utilized on auxiliaries and merchant ships and also on US Coastline Guard ships.
The rammer is routinely retracted from the recoil from the gun, and, at the end of the retract stroke, the shell guard (or spade) is dropped with the spademan. The spademan drops the spade the moment the ejected empty cartridge scenario rides clear of the tray. if the gun elevates outside of 40 degrees the spademan deploys the cartridge scenario quit and manually eliminates the expended casing within the gun. The hot scenario man then moves the casing from the mount.
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For gun mounts with integral hoists, the projectile time fuzes were established as being the projectiles were hoisted up within the dealing with room. Crewmen from the handling room put the projectiles nose-down to the lifting cups While using the mounted lug inserted into the V-groove slot. because the projectile traveled up the hoist, the fuze-setter chain moved the sprocket which rotated the internal socket. The pawls around the interior socket engaged get more info time ring lug, rotating the fuze to the appropriate location as determined by both the automatic fire Management procedure or by a crewman manually turning a crank over the Fuze environment Regulator. The Fuze Setter Regulator for integral hoists on single mountings was Found over the forward encounter of the upper conclude with the projectile hoist.
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