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T28 Super-heavy Tank
The T28 super-heavy tank was an American super-heavy tank/assault gun designed for the United States Army during World War II. It was originally designed to break through German defenses of the Siegfried Line and was later considered as a possible participant in the planned invasion of the Japanese mainland. The near 100-ton vehicle was initially designated a heavy tank. It was re-designated as the 105 mm gun motor carriage T95 in 1945, and then renamed in 1946 as the super heavy tank T28. Only two prototypes were built before the project was terminated. Name Initially named Heavy Tank T28 when construction was authorized in 1944, the design did not fit in the usual categories of vehicles, leading to reclassification. As it did not have its armament in a revolving turret, the Ordnance Department requested a name change to 105 mm Gun Motor Carriage T95, the change becoming official in March 1945. However, due to its heavy armor and armament—while self-propelled gun ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five major unincorporated territories, nine United States Minor Outlying Islands, Minor Outlying Islands, and 326 Indian reservations. The United States is also in Compact of Free Association, free association with three Oceania, Pacific Island Sovereign state, sovereign states: the Federated States of Micronesia, the Marshall Islands, and the Palau, Republic of Palau. It is the world's List of countries and dependencies by area, third-largest country by both land and total area. It shares land borders Canada–United States border, with Canada to its north and Mexico–United States border, with Mexico to its south and has maritime borders with the Bahamas, Cuba, Russia, and other nations. With a population of over 333 million, it is the List of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pacific Car And Foundry Company
Paccar Inc is an American ''Fortune'' 500 company and counts among the largest manufacturers of medium- and heavy-duty trucks in the world, and has substantial manufacturing in light and medium vehicles through its various subsidiaries. It was originally founded as the Seattle Car Manufacturing Company in 1905, primarily producing railroad equipment. In the 21st century, Paccar primarily manufactures trucks and heavy equipment. History Paccar, Inc., was founded by William Pigott Sr. as Seattle Car Manufacturing Company in 1905, with a capitalization of $10,000. Its original business was the production of railway and logging equipment. The company built a new factory in Renton in 1909 after its Duwamish facility was destroyed in fire as well as to fulfill large number of orders. In 1917 it merged with a Portland firm, Twohy Brothers which was its only competitor on the west coast at the time and company was renamed as Pacific Car and Foundry Company. The company manufactured ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jagdpanther
The ''Jagdpanther'' (German: "hunting Panther"), Sd.Kfz. 173, was a tank destroyer ('' Jagdpanzer'', a self-propelled anti-tank gun) built by Germany during World War II. The ''Jagdpanther'' combined the 8.8 cm Pak 43 anti-tank gun, similar to the main gun of the Tiger II, and the armor and suspension of the Panther chassis. It entered service in 1944 and served on the Eastern and Western Fronts. During the last stages of the war, limited German production resulted in small production numbers, shortage of spare parts, and shortened crew training periods of younger operators. Development The Jagdpanther was preceded by two attempts at mounting an 8.8 cm gun as a self-propelled anti-tank weapon; ''Ferdinand'' - also known as ''Panzerjäger Tiger'' (P) - using the ninety-one leftover Porsche-built VK 45.01 (P) chassis from the Tiger tank competition it lost to Henschel in 1942, and the '' Nashorn'' on the Geschützwagen III/IV (which used a combination of the Pa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Continuous Track
Continuous track is a system of vehicle propulsion used in tracked vehicles, running on a continuous band of treads or track plates driven by two or more wheels. The large surface area of the tracks distributes the weight of the vehicle better than steel or rubber tires on an equivalent vehicle, enabling continuous tracked vehicles to traverse soft ground with less likelihood of becoming stuck due to sinking. Modern continuous tracks can be made with soft belts of synthetic rubber, reinforced with steel wires, in the case of lighter agricultural machinery. The more common classical type is a solid chain track made of steel plates (with or without rubber pads), also called caterpillar tread or tank tread, which is preferred for robust and heavy construction vehicles and military vehicles. The prominent treads of the metal plates are both hard-wearing and damage resistant, especially in comparison to rubber tyres. The aggressive treads of the tracks provide good t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tonne
The tonne ( or ; symbol: t) is a unit of mass equal to 1000 kilograms. It is a non-SI unit accepted for use with SI. It is also referred to as a metric ton to distinguish it from the non-metric units of the short ton ( United States customary units), and the long ton ( British imperial units). It is equivalent to approximately 2204.6 pounds, 1.102 short tons, and 0.984 long tons. The official SI unit is the megagram (symbol: Mg), a less common way to express the same mass. Symbol and abbreviations The BIPM symbol for the tonne is t, adopted at the same time as the unit in 1879.Table 6 . BIPM. Retrieved on 2011-07-10. Its use is also official for the metric ton in the United States, having been adopted by the United States |
Short Ton
The short ton (symbol tn) is a measurement unit equal to . It is commonly used in the United States, where it is known simply as a ton, although the term is ambiguous, the single word being variously used for short, long, and metric ton. The various tons are defined as units of mass.Butcher, Crown and Gentry, NIST Special Publication 1038, The International System of Units (SI) – Conversion Factors for General Use, 2006 They are sometimes used as units of weight, the force exerted by a mass at standard gravity (e.g., short ton-force). One short ton exerts a weight at one standard gravity of 2,000 pound-force (lbf). United States In the United States, a short ton is usually known simply as a "ton", without distinguishing it from the tonne (), known there as the "metric ton", or the long ton also known as the "imperial ton" (). There are, however, some U.S. applications where unspecified ''tons'' normally mean long tons (for example, naval ships) or metric tons (world grain ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
T28 Super Heavy Tank (side View)
The T28 Super Heavy Tank was an American heavily armored tank/assault gun designed for the United States Army during World War II. It was originally designed to break through German defenses of the Siegfried Line, and was later considered as a possible participant in the planned invasion of the Japanese mainland. The near 100-ton vehicle was initially designated a heavy tank. It was re-designated as the 105 mm Gun Motor Carriage T95 in 1945, and then renamed in 1946 as the Super Heavy Tank T28. Only two prototypes were built before the project was terminated. Name Initially named Heavy Tank T28 when construction was authorized in 1944, the design did not fit in the usual categories of vehicles leading to reclassification.Hunnicutt p. 61 As it did not have its armament in a revolving turret, Ordnance requested a name change to 105 mm Gun Motor Carriage T95, the change becoming official in March 1945.Hunnicutt p. 62 However, due to its heavy armor and armament—whi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
T30 Heavy Tank
The Heavy Tank T30 was a World War II American tank project developed to counter new German tanks, such as Tiger I, Tiger II, and tank destroyers, such as the ''Jagdtiger'', or Soviet heavy tanks, such as IS-1 or IS-2. The T30 was designed at the same time as the T29 Heavy Tank. Early tanks Plans for four pilot heavy tanks were put forward in 1944; two T29 with a 105 mm gun and two T30 with a 155 mm gun. The T30 pilot models were started in April 1945 and were delivered in 1947. Apart from modifications to fit the different engine, the chassis was the same as the T29. The gun fired separate loading (shell and charge) ammunition. The loader was assisted by a spring rammer. The T30 was fitted with one of the largest guns ever used on an American tank. The high, rounded edge, turret was needed to accommodate the standing loader and large gun mount. Even then the gun could only be loaded at limited elevations. It could carry a mixed assortment of 34 T35E1 HVAP (high-vel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
T29 Heavy Tank
The Heavy Tank T29 was an American heavy tank project started in March 1944 to counter the appearance of the German Tiger II heavy tank. The T29 was not ready in time for the war in Europe, but it did provide post-war engineers with opportunities for applying engineering concepts to artillery and automotive components. Development The T29 was based upon a lengthened version of the T26E3 chassis and featured heavier armor, an upgraded Ford GAC engine producing 750 hp at 2,800rpm, which gave it a power to weight ratio of 11.68 hp/t, more comfortable controls for the driver, and a massive new turret incorporating the high-velocity 105 mm gun T5, which was later replaced by a more powerful 105 mm T5E1. The tank weighed approximately unloaded and combat loaded. Its maximum armor thickness was on the turret (not including the mantlet, which was thick), compared to on the German Tiger II's turret. The turret had a turret rotation of 18 degrees per second, takin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yuma Proving Ground
Yuma Proving Ground (YPG) is a United States Army series of environmentally specific test centers with its Yuma Test Center being one of the largest military installations in the world. It is subordinate to the U.S. Army Test and Evaluation Command. It's headquarters is co-located with its Yuma Test Center in southwestern La Paz County and western Yuma County in southwest Arizona, United States, approximately north of the city of Yuma, it encompasses 1,307.8 square miles (3,387.2 km²) in the northwestern Sonoran Desert. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fort Knox
Fort Knox is a United States Army installation in Kentucky, south of Louisville and north of Elizabethtown. It is adjacent to the United States Bullion Depository, which is used to house a large portion of the United States' official gold reserves, and with which it is often conflated. The base covers parts of Bullitt, Hardin and Meade counties. It currently holds the Army Human Resources Center of Excellence, including the Army Human Resources Command. It is named in honor of Henry Knox, Chief of Artillery in the American Revolutionary War and the first United States Secretary of War. For 60 years, Fort Knox was the home of the U.S. Army Armor Center and the U.S. Army Armor School, and was used by both the Army and the Marine Corps to train crews on the American tanks of the day; the last was the M1 Abrams main battle tank. The history of the U.S. Army's Cavalry and Armored forces, and of General George S. Patton's career, is shown at the General George Patton Mu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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