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The Obiekt 279, or Object 279, (Объект 279) was a Soviet experimental heavy tank developed at the end of 1959. This special purpose tank was intended to fight on cross country terrain, inaccessible to conventional tanks, acting as a heavy breakthrough tank. It was planned as a tank of the Supreme Command Reserve. [citation needed]
Many World War II German military vehicles, initially (starting in the late 1930s) including all vehicles originally designed to be half-tracks and all later tank designs (after the Panzer IV), had slack-track systems, usually driven by a front-located drive sprocket, the track returning along the tops of a design of overlapping and sometimes ...
Chain track drive sprocket (Leclerc battle tank, 2006) In the case of vehicles with caterpillar tracks the engine-driven toothed-wheel transmitting motion to the tracks is known as the drive sprocket and may be positioned at the front or back of the vehicle, or in some cases both. There may also be a third sprocket, elevated, driving the track.
Download as PDF; Printable version; In other projects ... Description=Diagram of a tank loosely based on the M1 Abrams. ... Talk:Sprocket; Talk:Tank/Archive 5; Talk ...
The tank was equipped with a full PAZ/FVU chemical filtration system. The coaxial 7.62 mm SGMT machine gun was replaced by a 7.62 mm PKT machine gun. The hull was lengthened from 6.04 m to 6.2 m. The hull machine gun was removed, making space for six more main gun rounds. These changes increased the weight of the vehicle to 38 tonnes.
One problem with roller chains is the variation in speed, or surging, caused by the acceleration and deceleration of the chain as it goes around the sprocket link by link. It starts as soon as the pitch line of the chain contacts the first tooth of the sprocket. This contact occurs at a point below the pitch circle of the sprocket.
Since the drive sprocket can be at either the front (many WWII tanks like the M4 Sherman) or the rear (most modern tanks like the T-90) of the vehicle depending on the design, the idler wheel either carries the track back off the ground and returns it to the drive sprocket (rear idler wheel), or receives track from the drive sprocket and lays ...
Roller chain and sprocket The sketch of roller chain, Leonardo da Vinci, Codex Atlanticus. Roller chain or bush roller chain is the type of chain drive most commonly used for transmission of mechanical power on many kinds of domestic, industrial and agricultural machinery, including conveyors, wire- and tube-drawing machines, printing presses, cars, motorcycles, and bicycles.