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The Military Airlift Command (MAC) is an inactive United States Air Force major command (MAJCOM) that was headquartered at Scott Air Force Base, Illinois.Established on 1 January 1966, MAC was the primary strategic airlift organization of the Air Force until 1974, when Air Force tactical airlift units in the Tactical Air Command (TAC) were merged into MAC to create a unified airlift organization.
An assumed 3000 of these "1965 1/2" Scouts exist. Existing parts were used in piecing together these new 800 models, such as the hood that retained the tie-down loop that would hold down the 80's folding windshield, [citation needed] a feature the 800 lacked. This was likely due to an overstock of 80 parts from the years prior.
It was originally defined as the rate of heat transfer that results in the freezing or melting of 1 short ton (2,000 lb; 907 kg) of pure ice at 0 °C (32 °F) in 24 hours. [1] [2] The modern definition is exactly 12,000 Btu IT /h (3.516853 kW). Air-conditioning and refrigeration equipment capacity in the U.S. is often specified in "tons" (of ...
Alongside a comprehensive range of trucks from 1 ⁄ 2-ton pickups to heavy commercial trucks, International introduced the Travelall to the R-Series as a metal-bodied station wagon. Offered on the 1 ⁄ 2-ton R-110 series on a 115-inch wheelbase, the first Travelall was powered by a 100 hp (75 kW), 220 cubic-inch "Silver Diamond" inline-six ...
The Mack NO 7 + 1 ⁄ 2-ton 6x6 truck was a heavy 6x6 cargo truck designed in the 1940s by the American manufacturer Mack Trucks. It was used by the U.S. Army as an artillery tractor for heavy artillery during and after World War II. The official U.S. Army designation was: Truck, 7 1/2 ton, 6x6, Prime Mover. [2] Its G-number was (G-532).
cleanse the air; After several more years of refinement and field testing, on January 2, 1906, Carrier was granted U.S. patent 808,897 for an Apparatus for Treating Air, the world's first spray-type air conditioning equipment. It was designed to humidify or dehumidify air, heating water for the first function and cooling it for the second.
Bleed air from the engines, an auxiliary power unit, or a ground source, which can be in excess of 150 °C and at a pressure of perhaps 32 psi (220 kPa), [1] is directed into a primary heat exchanger. Outside air at ambient temperature and pressure is used as the coolant in this air-to-air heat exchanger.
A transfer of fluid volume per unit time. fresh air fan Abbreviated FAF. fresh air fraction Fresh air fraction quantifies action of the economizer, and is defined by (Mass flow rate of fresh-air / Total air flow rate). Abbreviated faf. fresh air intake An opening through which outside air is drawn into the building.