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The first German jet engines built during the Second World War used a mechanical APU starting system designed by the German engineer Norbert Riedel.It consisted of a 10 horsepower (7.5 kW) two-stroke flat engine, which for the Junkers Jumo 004 design was hidden in the engine nose cone, essentially functioning as a pioneering example of an auxiliary power unit for starting a jet engine.
Honeywell auxiliary power units are a series of gas turbine auxiliary power units (APU) made by Honeywell Aerospace. Honeywell started manufacturing APUs in the early 1950s and since then they can be found on many aircraft. [1] Over the years Honeywell have produced more than 95,000 APUs and more than 36,000 are still in service. [2]
Around 300,000 refrigerator trucks with auxiliary power units are on the road in the United States, according to a 2013 estimate. [3] In recent years, truck and fuel cell manufacturers have teamed up to create, test and demonstrate a fuel cell APU that eliminates nearly all emissions [4] and uses diesel fuel more efficiently.
The Turbomeca Artouste is an early French turboshaft engine, first run in 1947. Originally conceived as an auxiliary power unit (APU), it was soon adapted to aircraft propulsion, and found a niche as a powerplant for turboshaft-driven helicopters in the 1950s.
T62 Titan The direct drive main production version. T62T-2 80 hp (60 kW) at 56,700 turbine rpm for Boeing-Vertol CH-47A Chinook helicopters. [1]T62T-2A 95 hp (71 kW) at 56,700 turbine rpm for Boeing-Vertol CH-47B / C Chinook helicopters.
Inside the M992 as viewed from the rear as well as its loader. This ammunition vehicle has no turret, but has a taller superstructure to store 90-95 rounds (depending on the model) with a corresponding number of powders and primers.
The T-carrier is a member of the series of carrier systems developed by AT&T Bell Laboratories for digital transmission of multiplexed telephone calls. The first version, the Transmission System 1 ( T1 ), was introduced in 1962 in the Bell System , and could transmit up to 24 telephone calls simultaneously over a single transmission line of ...
Currently, the U.S. Army mortar carrier is the M106 upgraded to A3 standard and armed with an M121 120 mm mortar, a variant of the M120 mortar. M1064 mortar carrier. Armed with an M121 120 mm mortar, a variant of the M120 mortar. M125. Mortar carrier, basically an M106 armed with an M29 81 mm mortar. M132 armored flamethrower