M551 シェリダン
 M551 シェリダン | |
| Performance specifications | |
|---|---|
| Full length | 6.307m |
| Overall width | 2.794m |
| Overall height | 2.946m |
| Weight | 15.177t |
| Suspension method | Torsion bar type |
| Speed | 69.2km/h (the leveling of ground) 5.79km/h (floating navigate) |
| Action distance | 563km |
| The main battery | 152mm cancer launcher M81 *1 |
| Vice-armament | 12.7mm heavy machine gun M2×1 7.62mm machine gun M73×1 |
| Engine | Detroit diesel 6V-53T 2 stroke V-sixes liquid cold water ターボチャージド diesel 300hp/2,800rpm |
| Crew | Four people |
M551 シェリダン is developed in the United States of America and is an amphibious air strategy tank used in U.S. Army.
シェリダン (Sheridan) of the nickname was named for the Philip H シェリダン general who was one of the heroes of the Civil War.
Table of contents
Summary
Development was started by AR/AAV (Armored Reconnaissance/Airborne Assault Vehicle: armor reconnaissance / air strategy charge vehicle) plan that M551 integrated the M56 スコーピオン air strategy tank destroyer for paratroops with the M41 whippet tank which had begun to be used in the 1950s and substituted. There was no self-propelled gun reason of the open top, and the defence of M56 in particular had to replace this early equally.
That the basic design of the new air strategy tank gathered up there is amphibious, and endure an air drop, and have mobility and heat to exceed an existing whippet tank, and put the weight in less than 10t; was severe. In addition, about the reinforcement of heat, the deployment of the M81 152mm cancer launcher that development was pushed forward was required in those days.
The design plan that I submitted it to of Cadillac Corporation was adopted among 12 companies which subscribed for a plan, and a development contract was concluded as XM551 in June, 1960. After the last mock-up being completed in December, 1961, and a prototype being completed in 1962, and having repeated various examinations, it was adopted formally as M551 in November, 1965. Production was started in June, 1966, and 1,662 輌 was produced by November, 1970.
Because M551 was equipped with for a long term, I equip it with a machine gun manta for the car head who was a non-official local remodeling product formally during an active play period, and various repair such as changing a main battery coax machine gun and a smoke flare discharge machine, a night vision device in new what's called is performed. A representative repair type carries a laser telemeter, and it includes M551A1 which improved F.C. devices. In addition, there was the local remodeling type that replaced the main battery of the disabled car with the main battery of the M41 whippet tank on a vehicle spent by the Vietnam War.
A various derivation type using the common number of cars is envisioned as a development type of M551 in the U.S. Army, and the formation of "the air strategy charge vehicle combat troop" equipped with them was considered, but an operational result of M551 has not been sweet and remains all only in trial manufacture or a plan, and the formation of the military unit is over only in a design, too.
Characteristic
As for the characteristic of M551, weight and floating-related を to navigate required as an air strategy tank are that the body is comprised of aluminum alloy to obtain it. This became the first aluminum alloy adoption car for the regulation tank of the U.S. Army. Similarly, magnesium is used for a transmission aluminum alloy to an engine, and lightweighting is planned by all parts. The body was made of aluminum alloy, but the gun turret became that I welded a rolling bulletproof steel sheet. The body sidepiece is considered to be a hollow structure and I fill urethane foam inside and secure floating-related を to navigate. Waterproofing screen is equipped with in the upper body outer periphery, and I develop this at the time of the water navigation, and the floating top navigates Nakiri board standing and falling-type in the upper body front.
I am equipped with M81 152mm cancer launcher as the main armament. This is more lightweight than the M32 60-caliber 76.2mm tank gun which M41 whippet tank was equipped with, and both MGM-51A shillelagh vs. tank missile and normal bullet can shoot. Bullets usually match missiles with a bullet using the HEAT-MP of the multipurpose bullet and can be usually equipped with 30. Mechanism (CBSS (Closed Breech Scavenging System: breech closedown residual substance removal system) wants to be performed 増備 of, and the main battery flue gas device is still abolished according to the equipment for CBSS [1].to clean the gun barrel by recording high pressure air after firing because the problem that the combustion-type cartridge for M81 burns, and refuse attaches to in a cartridge chamber occurred
The main battery is coaxial and is equipped with 7.62mm machine gun M73/M219 (M73A1) as vice-armament and is equipped with 3,000 spare ammunition. The coaxial machine gun is replaced with M240 machine gun later. I equip a sail for the car head of the gun turret top surface with 12.7mm heavy machine gun M2 and am equipped with 1,000 spare ammunition. In addition, I put on a part of the spare powder chest for the machine gun to the circumference of the gun turret and am equipped. The left right comprised four smoke flare discharge machines in the front part of gun turret lower half part each, and AN/VSS-3 infrared rays / sunshine searchlight was equipped with for battles by night, but, as for the night vision device of the passive expression, there was a starlight scope to attach to the mount of the 12.7mm heavy machine gun M2 for the car head until repair was performed late in the 1980s.
The engine might be lightweight for a tank with 6V-53T V-six liquid cold water ターボチャージド diesel engine (300hp) made in Detroit diesel company, and the mobility was good. The road maximum velocity in the examination records 69.2km/h. The development within five minutes was possible, and the equipment for the water navigation might be equipped with bilge pump for the drainage, and the full-scale water navigation was enabled if it was wetlands and river without the wave.
Air strategy throwing down
M551 releases it in the state that the air drop from a carrier tightly bound on a palette by possibility according to the name of "the air strategy tank" to the air and lets you open three parachutes and descend. In addition, I can let you descend by the method called low altitude parachute extraction system () (Low-Altitude Parachute Extraction System, LAPES, rapes [2]) and I open a parachute in the state that I put on the palette from the carrier which in this case flies a super low altitude and draw it in the outside the plane and it just slows down by a parachute and lands it. In addition, an air strategy descends separately from a vehicle, and I join after a landing, and the crew boards it.
Because the air drop was impossible in ASU-85 which was an air strategy tank of the Soviet Union of the same period (actually, a tank destroyer), as for the air strategy tank in the meaning that was close during an active period of M551, M551 was the one and only.
In addition, if is an emptiness weight state not to load with fuel and ammunition and the crew; with the CH-54 タルヘ heavy goods transport helicopter hung it, and the transportation was possible, too.
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M551 which hangs it, and is transported by CH-54 helicopter
Operational in the actual fighting
M551 was spent after regulation adoption by the Vietnam War. The U.S. forces upper echelon considered that the North Vietnam forces did not apply a tank positively [3];, as for the shillelagh missile which was the greatest weapon, a vehicle was not brought in by a side of the confidentiality without the anti-tank battle being very considered to collect it by any chance saying that 鹵獲 (ろかく) was considered to be it, and there were misfire and the risk to cross in the Soviet Union through North Vietnam when it was after discharge. As a result, it is said to the situation that a military unit equipped with M551 performs a full-scale anti-tank battle that there was not the situation to need shillelagh missile without coming. In addition, there was no such precedent that air drop use was carried out in Vietnam, and ability for water navigation has not been used.
While I was dispatched in Vietnam, troubles that the cannonball of the 152mm gun absorbed moisture for the climate climate of the high temperature and humid tropical rain forest and became the misfire appeared one after another, and trouble to be seen in the guidance controls of the missile if caused by the environment of high temperature and humidity occurred frequently. Because minute check and adjustment were ordered to these guidance controls by an operational manual, delicate maintenance work became essential and bought the bad reputation of the crew almost every day though it was not equipped with a missile at first. Therefore the models that omitted the operational ability of the missile were produced as "Vietnam specifications" by a stage of production. In addition, an increase armor kit to attach to a body base was put on because the damage with the mine occurred frequently.
Because a lightweight thing was demanded as "an air strategy tank" of M551, the light weight was disadvantageous to run forcibly while removing an obstacle, and grounding pressure was high because width of 履帯 was small, and mobility on the damp ground was unsuitable for use in soft Vietnam of the ground generally badly although weight was light. Armor was not a thick thing because of a design assuming the air strategy throwing down, and the structure that used many light alloy was weak for an anti-tank weapon or mine and, from the example that 爆散 did by the causing explosion of the deployment cannonball at the time of a hit, would lose the trust of the crew more and more, and a black joke of "[4] that he/she treated of "the disappearance" was prevalent though I was confirmed dead among crews when killed in action on M551".
When the Vietnam War terminated, most vehicles were invested in reserve duty, or I was performed a hypallage by M60A1 or M60A3, but was able to continue deployment only in the 82nd Airborne Division which was Rapid Deployment Force. Some vehicles are used for a test bed of 各種兵装 which I did including XM274 ARES 75mm 高初速自動砲.
It was dropped a parachute in the actual fighting for the first time, and, in the case of the invasion of 1989 in Panama, one squadron 10 輌 was managed, but the damage, the vehicles which broke down appeared one after another at the time of a landing, and it was half that worked actually after a descent. In the case of Operation Desert Shield in the Gulf War of 1991, I am dispatched as Rapid Deployment Force by Saudi Arabia and prepare for the Saudi Arabia invasion of the Iraqi military as a precious armored force.
Because it is left the 82nd Airborne Division after the Gulf War, and all cars become the reserve duty, and mass production / deployment was canceled in M8 AGS (Armored Gun System) developed as succession, as for the thing which even in U.S. forces and the world were used for in the actual fighting for "the air strategy tank" in the close meaning, M551 is the currently last existence. In addition, as "the whippet tank which U.S. forces made a regulation," M551 is the last existence currently.
In M551, the thing which remodeled the vehicle which became the reserve duty although I retired for an active battle vehicle into the appearance that imitated east side countries military use vehicle is applied as a hypothetical enemy vehicle of the battle training in "National training center (NTC) National Training Center" of California Fort Irwin.
Variation
- M551
- A pattern. A shape change of the floating screen to navigate and gun turret rear various tools box and the equipment for sunshine / infrared rays searchlight are carried out from production number the 140th car.
- M551 Vietnam specifications
- It is not equipped with the operational ability of the missile after production. A production number 140-223 car, 740-885 cars were produced with these specifications.
- M551 CBSS equipment type
- The repair type that carried CBSS. It becomes these specifications than production number the 700th car.
- M551 repair type
- The repair type that performed the standard features of the manta for the car head and the improvement of the hatch for the pilot, a review of the equipment for floating, navigating it over from 1966 to 1967.
- M551A1
- The improvement type that performed the equipment for new establishment of laser 測遠機, trajectory computer and environmental sensor, the reinforcement of the NBC protective device over from 1967 to 1970. The weight increases to 16t.
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- M551A1 PIP
- The repair type that changed some repair of the engine and the coaxial machine gun from 1977.
- M551A1 TTS
- A vehicle equipped with heat image system same as a repair type of M60A3 (M60A3TTS).
Derivation type (only as for all plan / trial manufacture)
- Flame emission tank type
- I changed the main battery to the M10 flame thrower and I put a fuel tank of 150 gallons on the inside of car and enabled the flame emission of 25 seconds. It was said that the coaxial machine gun changed it to a 12.7mm heavy machine gun or the 20-25mm cannon. Only as for the plan.
- Self-run howitzer type
- It carries 105mm or a 155mm howitzer replacing with a 152mm cancer launcher. Only as for the plan.
- M551 SPAAG
- The antiaircraft tank type which carried a 25mm multi-launching organization gun turret. It was said that the discharge speed was equipped with 520-570 a minute per 1 gate, cannonball 1,500. In addition, the other type to be equipped with 20mm Balkan gun M61 and 11,000 cannonballs, M20 aim range-finding radar was envisioned. Only as for the plan.
- M551 ATRV
- An armor collection car type. I kept a crane and a sail for the car head with all lap periscopes, a 7.62mm machine gun in the new gun turret and equipped the body rear with a stationed-in-plow for the body stability. Only as for the trial manufacture.
- M551 AEV
- A battle military engineer car type. I replaced the main battery with XM135 障害物破壊用砲 and carried ドーザーブレード in the crane which lifted it, and had ability of 6.75 tons, the front part of body in the gun turret rear. Only as for the plan.
- M551 AVLB
- A cross-linked tank type. I took off a gun turret and could pass and was equipped with scissors hold-style bridging of 20 tons in weight. Only as for the plan.
- Foot soldier battle car type
- I moved an engine room to the car's nose right and assumed it the foot soldier battle car which contained eight strengths of an army in the body rear. Having the gun turret which equips the body center with a 20mm cannon, I have the shooting port of four right and left in a strength of an army room. Only as for the plan.
- Self-run trench mortar type
- I put a 107mm trench mortar on the body of the foot soldier battle car type. It is equipped with a 12.7mm heavy machine gun as 188 cannonballs and vice-armament. Only as for the plan.
- Collection tank type
- The type that lowered one step of body rear using the body of the foot soldier battle car type, and was equipped with 10 tons of possible cranes in all mediation times. 13.5 tons of ability for traction. Only as for the plan.
- Carriage of goods type
- The freight carrier type which misappropriated the body of M551. Two kinds of an armor type and the non-armor type were planned. Only as for the plan.
- M551A1 改
- The improvement type that improved the new establishments of an engine and the gun tower for the car head of the change of the transmission, the equipment for water jet, the 20mm - 25mm cannon equipment with a development model planned over from 1970 to 1975. Only as for the plan.
Appearance work
Movie
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- 『GODZILLA』
- I appear as a tank of the U.S. Armies. It is the vehicle which I am disposed by the private enterprise, and a collector owns.
- 『Die hardware 3』
- I appear as a heavy industrial machine equipped with the bridging of the expression to fold. A vehicle disposed of by the private enterprise was remodeled as a heavy industrial machine.
- 『Afghan of the Rambo 3/ anger』
- Large-scale remodeling is given and appears as T-72.
Comics
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- 『Police box in front of Kameari, Katsushika-ku Park』
- Ryotsu Jinkichi obtains it and occasionally uses it as "a privately-owned car".
- 爆竜大佐 drops it from a carrier as a present on a birthday of Ryotsu Jinkichi.
- 『ジャパッシュ』
- I appear as a tank of the Self-Defense Forces.
Animated cartoon
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- 『Fight; is a robot living entity transformer super』
- Wow, サイバトロン mini-bot soldier becomes the heteromorphic motif of the pass.
Game
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- 『Armored Warfare』
- 『War Thunder』
- I appear to the U.S. Army tree as the tank which I can operate of the player. The discharge of the anti-tank missile is possible, too.
- 『World of Tanks』
- I appear to the U.S. forces tree as "T49".
- 『Battlefield Vietnam』
- I appear as a tank of the United States Army, South Vietnam forces.
- 『Mer Senna 2, Leeds world in frames』
- Anti-government guerrilla uses it.
References
- "PANZER February, 2001 issue" Argo notebook company 2001
- It is 箙浩一 "grand power June, 2005 issue U.S. forces air strategy tank" (ASIN B006OH3TWE): Work Galileo publication 2005
Footnote, source
- The number of the deployment of the ammunition decreases the vehicle that ^ CBSS was performed 増備 of for one
- ^ M551 Sheridan Low Altitude Parachute Extraction System (LAPES) - YouTube
C130 Hercules Tragedy. - YouTube - This ^ recognition was really an error
- Meaning that every tank which ^ is carried on does 爆散, and a corpse is not detected
Allied item
Outside link
- It is Walk around photos M551 SHERIDAN - LIGHT TANK
- YouTube - M551A1 Sheridan Drop on Sicily DZ： Record picture of the air strategy throwing down training of M551 performed in Sicily in August, 1993
This article is taken from the Japanese Wikipedia M551 シェリダン
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