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The RR500 is a larger derivative of the Rolls-Royce RR300 turboshaft, with the engine core scaled-up for increased power. [1] The basic weight of the engine with accessories is 250 lb (113 kg). The model produces around 500 shp (373 kW) for takeoff and can produce 380 shp (280 kW) in continuous use.
Engine bells must be cooled to avoid damage from the hot rocket exhaust, and this has presented problems in expanding nozzle designs. The cooling is normally accomplished by running either the oxidizer or fuel (in the case of LH2 fueled engines) through tubing in the bell. With the bell moving, plumbing carrying the coolant to the bell has to ...
Compared to a pressure-fed engine, pump-fed engines and hence, expander cycle engines have higher combustion chamber pressures. Increased combustion chamber pressures allow for a reduced throat area A th , and therefore, leads to a larger expansion ratio, e = A e /A th for an identical nozzle exit area A e , which ultimately leads to higher ...
However, this effect occurs only over a narrow engine speed band. A variable intake can create two or more pressurized "hot spots", increasing engine output. When the intake air speed is higher, the dynamic pressure pushing the air (and/or mixture) inside the engine is increased.
Ajax is the oldest continuous engine product line manufactured in the United States and has been utilized in the oil and gas industry for 130+ years. Ajax integral engine-compressors are gas compressors with built-in reciprocating engines. Their compact design and gas drive make them useful for field installation and work. [2]
The Stover Manufacturing and Engine Company was created by D.C. Stover in 1881. [1] An established inventor, he progressed through a profitable windmill business to, in 1895, the manufacture of kerosene and gasoline powered stationary engines for use on the American farm.
Flames could be seen where a military helicopter made an emergency landing at Camp Pendleton on Friday, causing police to warn drivers of potential traffic delays along Interstate 5. All four crew ...
Stuart Turner Ltd was incorporated in 1906 [2] and started to produce model steam engines, gas engines for domestic electricity, lathes, etc. Stuart Turner went on to produce further model steam designs, and in 1906 there were nine models in the range. By 1907 more space was needed so premises were rented at Market Place in the centre of Henley ...
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