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It was based on the first tank, the British Mark I and carried a heavy field gun. The gun could either be fired from the vehicle, or removed and set up as normal. In effect, the carrier replaced the use of a separate horse team or internal combustion engine-powered artillery tractor, and allowed a new way for the gun to be used.
The first variant, the Bkan 1A, used the same engine as the first Strv 103's and was thus somewhat underpowered since that engine was designed to drive a 30-ton tank, while the Bkan 1 weighed over 50 tons. Despite this, its mobility was more than adequate for its role as an artillery piece. [4]
It is numbered with a stylized flag symbol surrounding the number (or sometimes a delta symbol). A general note applies generally and is not called out with flags. 2. Find number: "FN" meaning "find number" refers to the ordinal number that gives an ID tag to one of the constituents in a parts list (list of materials, bill of materials).
A tank locomotive, on the other hand, can simply run around the train (provided there is a siding) and pull it back in the other direction. The crew of a tank engine generally have a better view in the reverse direction than for a tender engine and are protected from the weather. [36]
SCD – system control diagram; SCDES – sidewall core description; scf – standard cubic feet (of gas [citation needed]) scf/STB – standard cubic feet (of gas) / stock tank barrel (of fluid) [citation needed] SCHLL – Schlumberger log [clarification needed] SCM(MB) – subsea control module (mounting base [citation needed]) SCO ...
The main armament of the 2S25 is a 125 mm smoothbore 2A75 tank gun, which is a derivative of the 125 mm 2A46 tank gun. [13] The angles of elevation and depression for the anti-tank gun are +15° and −5° respectively. When aimed towards the stern of the vehicle, the elevation and depression of the gun changes to +17° and −3° respectively. [4]
The SPG is equipped with an R-123 radio set, an R-124 intercom, an automatic CBRN defense system with filtration unit and fire-fighting equipment. The V-59 12-cylinder four-stroke water-cooled diesel engine connects to a mechanical two-speed transmission.
Its function as an air-mobile, self-propelled, anti-tank vehicle was eventually replaced in Vietnam by the troubled but effective M551 Sheridan which had a fully armored turret. The USMC used the M50 Ontos , which had an armored cabin and was armed with recoilless rifles, in a similar role (the running gear of the first Ontos prototype was the ...