cruise efficiency
121USS Boston (SSN-703) — USS Boston (SSN 703), a Los Angeles class submarine, was the seventh ship of the United States Navy to be named for Boston, Massachusetts. The contract to build Boston was awarded to the Electric Boat Division of General Dynamics Corporation in… …
122USS Noxubee (AOG-56) — was a Patapsco class gasoline tanker acquired by the U.S. Navy for the dangerous task of transporting gasoline to warships in the fleet, and to remote Navy stations. Noxubee , a gasoline tanker of the United States Navy served in a commissioned… …
123Compressor map — Each compressor (or fan) in a gas turbine engine has an operating map. Complete maps are either based on compressor rig test results or are predicted by a special computer program. Alternatively the map of a similar compressor can be suitably… …
124Specific fuel consumption (thrust) — Specific fuel consumption, often shortened to SFC, or TSFC is an engineering term that is used to describe the fuel efficiency of an engine design with respect to thrust output. It allows the efficiency of different sized engines to be directly… …
125Overdrive (mechanics) — For other uses, see Overdrive. An overdrive is sometimes a separate unit that fits into the back of a gearbox, as with this Fairey unit. A plate warns to only engage the unit in third and fourth gears …
126Propfan — NASA / GE Unducted Fan A propfan was first defined as a small diameter, highly loaded multiple bladed variable pitch propulsor having swept blades with thin advanced airfoil sections, integrated with a nacelle contoured to retard the airflow… …
127Manifold (automotive) — In automotive engineering, an intake manifold or inlet manifold is the part of an engine that supplies the fuel/air mixture to the cylinders. An exhaust manifold or header collects the exhaust gases from multiple cylinders into one pipe. The word …
128Submarine — For other uses, see Submarine (disambiguation). A Japan Maritime Self Defense Force Oyashio class submarine in 2006 A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which… …
