Main battle tank has classic arrangement with frontal drivers compartment. Hull and turret are welded with multi-layered frontal armor similar to British armor "Chobhem" bu additionaly increased with by precipitant uranium plates built-in in frontal hull and turret multi-layer armor. Similarly to British main battle tanks "Chieftain" and "Challenger", driver-mechanic with closed hatch is placed in half-lying position. It allowed greatly incline frontal armed plate in vertical inclination level such increasing defense from armor-piercing projectiles. Driver-mechanic use motorcycle-type steering wheel connected with automatic transmission.
M1a2 Abrams Driver Compartment
Features of the left side of the driver's compartment are shown here. 24. Turret seal pressure gage. 25. Inflatable turret seal pump. 26. Personnel heater duct control lever. 27. Night vision viewer stowage. 28. M3 heater. 29. Open/closed hatch seat control lever. 30. ENGINE FIRE T-handle. 31. CREW FIRE T-handle. 32. Air direction control knob. (Picture from TM 9-2350-255-10-1 C3.)
The fire extinguisher system had two bottles for the engine compartment, which discharged one at a time. These could be activated manually via handles at the driver's position and on the left rear of the hull. The crew compartment was serviced by another bottle, which could be actuated manually by another handle at the driver's position. The manual handles were to be used if the automatic detection system failed. The automatic system used seven sensors (three in the turret, one in the driver's compartment, and three in the engine compartment) to detect fires and discharge the appropriate extinguishers. The driver could activate the second engine compartment shot from his instrument panel, which would automatically shut off the engine. The outside handle was connected directly to the engine compartment second shot bottle, and did not shut down the engine when pulled. In addition, portable fire extinguishers were stowed in the right turret box and by the commander's seat.
As one of the heaviest main battle tanks in the world, the M1A2 weighs over 70 short tons. The M1A2 is 32.04 ft (9.77 m; including main gun length) long, 12 ft (3.66 m) wide, and 8 ft (2.44 m) tall. 4 crew members operate the M1A2 : the commander/machine gunner, gunner, loader, and the driver. Designed to defeat hostile armor, the M1A2 is highly mobile, well-armed, and heavily armored. Notable features include a powerful AGT-1500 multifuel gas turbine engine, sophisticated composite armor, and separate ammunition storage in a blow-out compartment for crew safety. The M1A2 can reach up to a speed of 45 mph (72 km/h) (governed) on a road and 30 mph (48 km/h) off-road.
The three-person crew of the AbramsX is situated side-by-side at the front of the hull, in the same location as the driver on the current Abrams. This reduction in crew and fighting compartment size has enabled the tank to be lighter without a decrease in protection.
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