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Rolls-Royce based the ten-stage high-pressure compressor on an eight-stage run in the RB401 in the mid 1970's followed by a nine-stage run in the RJ.500. The V.2500 would use ten stages, with the first four with variable stators, giving a pressure ratio of 20:1. [ 4 ]
The General Electric CJ610 is a non-afterburning turbojet engine derived from the military J85, and is used on a number of civilian business jets.The model has logged over 16.5 million hours of operation.
Mack's design, influenced by their WWII era NO (7 + 1 ⁄ 2-ton, 6x6 truck), was chosen. Designed as an entire family of trucks, only the semi-tractor and cargo/prime mover were built. 392 M123 were built between 1955 and 1957 and 552 M125 were built between 1957 and 1958.
M1157 A1R/A1P2 10-ton Dump [5] NSN 2320-01-552-7787; M1157 A1R/A1P2 10-ton Dump with winch [5] NSN 2320-01-552-7782; XM1160 10-ton MEADS air defense chassis (5.5 m wheelbase ) Mongoose Mobile Launcher Chassis (MLC) (cancelled) M1273 A1P2 MTV 10-ton chassis [5] NSN 2320-01-621-6239; MHE: material handling equipment RSV: re-supply vehicle LHS ...
Research into the next generation of commercial jet engines, high-bypass ratio turbofans in the "10-ton" (20,000 lbf; 89 kN) thrust class, began in the late 1960s. Snecma (now Safran), who had mostly built military engines previously, was the first company to seek entrance into the market by searching for a partner with commercial experience to design and build an engine in this class.
The 1 + 1 ⁄ 4 ton M880-series was based on the Dodge W200, a 3 ⁄ 4 ton capacity 4×4 civilian/commercial truck. The 880/890 had a 2,500 lb cargo rating, enabling it to have a 5 ⁄ 4-ton load rating. The similar 1 + 1 ⁄ 4 ton M890-series was based on the Dodge D200, a 3 ⁄ 4 ton capacity 4×2 civilian/commercial truck.
There are different types of technical or engineering specifications (specs), and the term is used differently in different technical contexts. They often refer to particular documents, and/or particular information within them. The word specification is broadly defined as "to state explicitly or in detail" or "to be specific".
Surging takes place when compressor is operated off the design point and it affects the whole machine and this is aerodynamically and mechanically undesirable. It can damage the rotor bearings, rotor seals, compressor driver and affect the whole cycle operation. It results in high temperature, high vibration and leads to flow reversal. [4] [11 ...