A Secret Weapon For 호치민 체온 38.5
A Secret Weapon For 호치민 체온 38.5
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therefore, they shaped a sub-course throughout the Mahan class, as all other associates of that course had been equipped with Mark 21 pedestal mounts in all 5 positions.
The Mark 37 was a Significantly simplified single mounting made by Northern Ordnance, Inc. that was largely supposed for merchant ships and auxiliaries. This mounting lacked hoists and shields and had a simplified sighting program as it was designed to be utilised only in regional Regulate.
^All twin SP and DP mounts ended here up base ring styles and had been usually just like solitary enclosed foundation ring mounts. Twin mounts differed from solitary mounts in that there were twin powder hoists for the cartridges on the rotating framework together with twin shell hoists.
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Among naval historians, the five"/38 gun is considered the ideal intermediate-caliber,[4] twin purpose naval gun of earth War II,[5] Specially as it had been generally under the Charge of the advanced Mark 37 Gun Fire Handle process which delivered precise and well timed firing against surface and air targets. Even this Superior program necessary virtually a thousand rounds of ammunition expenditure for every plane get rid of.[6] nonetheless, the planes had been Generally killed by shell fragments and not immediate hits; barrage hearth was applied, with many guns firing within the air concurrently. This would bring about massive walls of shell fragments remaining set nearly take out just one or several planes or in anticipation of an unseen airplane, this becoming justifiable as one particular airplane was effective at significant destruction.
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^The Mark 21 pedestal mount was on the Restrict of turning masses that could be conveniently manhandled. to have to this body weight, BuOrd sacrificed shields and ammunition hoists and accepted the ensuing lower level of hearth. Ammunition for these pedestal mounts was fed from deck mounted scuttles, from which rounds could possibly be passed towards the Mechanical Fuze Setter Found over the rotating mount. As done, destroyers with Mark 21 bow mounts experienced straightforward open up-back shields whilst the stern mounts have been left open and unshielded. The bow shields for these mounts had been noteworthy for using a bulge to the still left side if you want to accommodate the Mechanical Fuze Setter.
Be aware the Fuze location mechanism around the left side of the mount, a typical feature on all pedestal mounts and people base ring mounts missing hoists. Sketch from OP-1112. impression courtesy of HNSA.
changing a gun barrel on USS Taussig (DD-746) in 1969. The bayonet-joint connecting the gun barrel for the receiver group on this weapon meant that these kinds of changeouts might be quickly and easily attained devoid of dismantling the gun household or dismounting the gun.
The second is wherever the pc is not really utilised at all as well as Fuze Setter Crewman, as directed via the Gun Captain, controls the fuze placing. As is usually observed in these pics, the Mechanical Fuze Setter experienced 3 projectile slots. The ammunition passers placed Each individual projectile nose-down into one of many slots, fitting the set lug on the fuze (see illustration beneath) into your V-groove during the slot. Every slot experienced a rotating cup with a pawl that engaged time ring lug within the projectile. shifting this ring set the fuze time. when the projectile was in position, the ammunition passer turned the crank Found down below the cup which rotated the cup and thus the fuze time ring into the Preliminary location. Later on, the Mechanical Fuze Setter would regularly rotate the nose cups to match the latest time environment as determined by the pc (computerized Mode) or through the Fuze Setter Crewman (guide Mode). obtaining a few slots allowed sufficient time for every successive projectile to be established to the proper time environment before the shell male (very first loader) picked it out of the device and put it to the gun loading tray. This method of fuze location also authorized the time fuzes to get continually current by the computer until eventually The instant they were plucked from your device, Therefore guaranteeing the best possible placing for every unique shell and reducing the "deadtime" interval involving when a shell was plucked from the Mechanical Fuze Setter and when it had been fired out of your gun. The first loader stepped over a foot pedal to lift the shell out in the nose cup mechanism as he pulled the shell out from the Fuze Setter. When firing VT Fuzed (Proximity) AA projectiles, there was no must established time given that the VT fuze itself decided when the projectile need to detonate. The submit-war Controlled Variable Time (CVT) Fuze did utilize a time setting which delayed enabling the fuze until eventually a few seconds in advance of it reached the concentrate on. This decreased the possibilities that rain or sea return would cause a premature detonation.
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^The mounting forms, designations and portions demonstrated During this desk are primarily for warships "as commissioned" and so are largely the results of my analysis for the background and technologies essay on US gun mounting production for the duration of globe War II.
primary Pump This is actually the key pump which delivers oil for that pumping cylinders. Accumulator pump, increase pump and accessory pumps are all Roxroth.
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L.&P. or as B.L.&T. for concentrate on observe. Projectiles that employed MT or PD nose fuzes experienced an instantaneous Get hold of kind base fuze even though a blind plug was made use of instead of The bottom fuze for people projectiles making use of VT nose fuzes. The AAC Mark 47 was created as being a heavier projectile working with new, lighter pounds fuzes so as to take care of a similar General projectile body weight. on the other hand, the fuzes by no means appeared, so only some thousand from the Mark 47 projectiles ended up made. Window and White Phosphorous (WP) rounds were being accessible, lots of as Specific Mods of your Illumination Mark 30, Mark 44 and Mark 45 projectile bodies. Chaff rounds were being accessible for jamming distinctive radar sorts. Chaff Load Mark fifteen was for X-band whilst Chaff Load Mark 21 was meant for S-band. Chaff projectiles utilised a MT nose fuze that triggered a little ejection demand as well as the masses have been dispensed with the foundation from the projectile.
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