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Diagram of a typical gas turbine jet engine. Air is compressed by the compressor blades as it enters the engine, and it is mixed and burned with fuel in the combustion section. The hot exhaust gases provide forward thrust and turn the turbines which drive the compressor blades. 1. Intake 2. Low pressure compression 3. High pressure compression ...
Compression may be provided by a gas turbine, as in the original turbojet and newer turbofan, [3] [4] or arise solely from the ram pressure of the vehicle's velocity, as with the ramjet and pulsejet. [5] All practical airbreathing jet engines heat the air by burning fuel. [1] Alternatively a heat exchanger may be used, as in a nuclear-powered ...
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The Cessna Citation is a family of business jets manufactured by Cessna that entered service in 1972. [1] In the fifty years following the type's first flight in 1969, more than 7,500 Citations were delivered, forming the largest business jet fleet in the world. [2]
Most commercial aviation jet engines in use are of the high-bypass type, [2] [3] and most modern fighter engines are low-bypass. [4] [5] Afterburners are used on low-bypass turbofan engines with bypass and core mixing before the afterburner. Modern turbofans have either a large single-stage fan or a smaller fan with several stages.
ADC (from "Aircraft Disposal Company") [3] bought 35,000 war-surplus engines in 1920. Initially produced engines from Renault 70 hp spares.. ADC Cirrus. ADC Airdisco; ADC Cirrus; ADC Nimbus, development of Siddeley Puma
Viewed from below, showing wing sweep The 650 has a T-tail and two turbofans. In 1974, Cessna studied a long range model 700 stretch of its original Citation I powered by three JT15Ds called Citation III, with a 17,500 lb gross weight, an 8,000 lb empty weight and a 7,500 lb fuel capacity leaving 2,000 lb for the occupants, and targeting 1978 deliveries. [3]
One was the jet-powered BD-5J, which boosted performance to 305 knots (565 km/h; 351 mph). [1] There was an attempt to sidestep the engine problem with the BD-5S glider (S for Sailplane), with lengthened wings and no engine, which prompted Air Progress magazine to sarcastically note, "At last, a BD-5 with no engine problems."