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The Holt gas–electric tank was the first prototype tank built in the United States [1] in a collaboration between the Holt Manufacturing Company (now Caterpillar Inc.) and the General Electric Company. The tank, built during 1917–1918, was the only one of its kind built, as testing proved it lacked the agility and maneuverability required. [2]
The CODLAD propulsion system is based on the use of electric motors directly connected to the axes (generally two) of the propellers. The electric motors are powered by diesel generators and to have higher speeds, as happens in CODAD propulsion systems, the higher power diesel engine is inserted which is disconnected from the transmission system to return to cruising speed.
Principle of a CODLAG propulsion system. Combined diesel–electric and gas (CODLAG) is a modification of the combined diesel and gas propulsion system for ships. A variant, called the combined diesel–electric or gas (CODLOG) system, contains the same basic elements but will not allow simultaneous use of the alternative drive sources. [1]
The digital fuel gauge in a 2018 Mazda 3 showing a nearly-empty tank along with a distance to empty display. Typical old-style fuel gauge on a 50 ccm chinese-made scooter from 2008, with the internationally used pictogram of a gas pump. The system can be fail-safe. If an electrical fault opens, the electrical circuit causes the indicator to ...
Restored Continental AV1790-5B tank engine at the American Armored Foundation Tank Museum in Danville, Virginia The Continental AV1790 is an American V12 engine used in armored vehicles . Produced by Continental Motors , the AV1790 was used in a variety of limited production and pilot heavy tanks, including the M53 and M55 howitzers , and the ...
That sedan, which featured a nine-speed automatic and an oil-burning 1.6-liter turbo four, had a small 13.7-gallon fuel tank, yet it sure made a gallon of gas last. We recorded 52 mpg on our 75 ...
A permanent downhole gauge (PDG) is a pressure and/or temperature gauge permanently installed in an oil or gas well. [1] These gauges are typically installed in the tubing in the well and can measure the tubing pressure, annulus pressure, or both.
Leopard 2. Tank steering systems allow a tank, or other continuous track vehicle, to turn. Because the tracks cannot be angled relative to the hull (in any operational design), steering must be accomplished by speeding one track up, slowing the other down (or reversing it), or a combination of both.