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Ducted fan tail rotors have also been used in the Russian Kamov Ka-60 medium-lift helicopter, [17] and also on the Japanese military's Kawasaki OH-1 Ninja reconnaissance rotorcraft. French light helicopter manufacturer Hélicoptères Guimbal has also used a Fenestron for their Guimbal Cabri G2 , a compact reciprocating engine-powered rotorcraft ...
The RRC-FR HQ is designed to command a multinational force of up to army corps size (between two and six divisions) [8]. It employs more than 400 personnel, (including 70 officers and NCOs from 12 different EU or NATO countries) and up to 750 in times of crisis [4]. The corps HQ is open to all EU and NATO members (18% of its strength).
Delivering almost 22% more thrust with 40% fewer parts than its F100 predecessor, the F119 allows the F-22 to achieve supercruise speeds of up to Mach 1.8. [ 1 ] [ 2 ] The F119's nozzles incorporate thrust vectoring that enable them to direct the engine thrust ±20° in the pitch axis to give the F-22 enhanced maneuverability.
The RFB Fantrainer (or Fan Trainer) is a two-seat flight training aircraft which uses a mid-mounted ducted fan propulsion system. Developed and manufactured by German aircraft company Rhein-Flugzeugbau GmbH (RFB), it has been used by the Royal Thai Air Force. Development of the Fantrainer commenced during the 1970s.
Diagram of a fan disk Fan disk assembly diagram, showing one blade and attachment hardware Cross section of fan disk Failed fan disk recovered from the center engine of UAL 232. A fan disk is the central hub of a fan in a turbofan engine. Fan blades are attached to the fan disk, which is rotated by a shaft driven by a gas turbine. [1]
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Once restored, the life limited parts must be replaced after: 20,000 cycles for the hot section ($0.5m), 25,000 for the axial compressor, and 30,000 for the fan and booster ($0.5m-$0.7m) for a recent CFM56. The whole engine parts cost more than $3m, $3.5 to $4m with the shop work-hours, around $150 per cycle.
Data from AVweb General characteristics Capacity: one Empty weight: 285 kg (628 lb) Powerplant: 1 × EPA Power modified Rotax 912, 97 kW (130 hp) Performance Maximum speed: 290 km/h (180 mph, 160 kn) Stall speed: 93 km/h (58 mph, 50 kn) References ^ "Snap brings aerobatics to LSA market". Archived from the original on 2 April 2012. Retrieved 4 August 2011. ^ a b "Aerobatic LSA Snap debuts ...