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Thrust reversal, also called reverse thrust, is the temporary diversion of an aircraft engine's thrust for it to act against the forward travel of the aircraft, providing deceleration. Thrust reverser systems are featured on many jet aircraft to help slow down just after touch-down, reducing wear on the brakes and enabling shorter landing ...
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The reverse-thrust ratio (ratio of backward engine thrust to forward reverse thrust) can be as high as 84%. [6] However, this result is obtained with a cowl to attach air flow in a 7° angle and a large enough "target" (deflector door) installed. A reverse-thrust ratio of 55% can be reached on a simple target without the cowl. [7]
The JF-17 was designed and developed primarily to meet the PAF requirement for an affordable, [24] unsanctionable, fourth-generation, lightweight, multi-role combat aircraft as a replacement for its large fleet of Nanchang A-5C bombers, Chengdu F-7P/PG interceptors, and Dassault Mirage III/5 fighters, with a cost of US$500 million, divided equally between Pakistan and China. [25]
To reduce development costs, the Su-47 borrowed the forward fuselage, vertical tails, and landing gear of the Su-27 family. Nonetheless, the aircraft includes an internal weapons bay, and space set aside for an advanced radar. Like its immediate predecessor, the Su-37, the Su-47 is of tandem-triple layout, with canards ahead of wings and ...
Five of the planes under construction at the end of the War were to be completed as two-seat trainers. [5] Other follow-on versions proposed included a reconnaissance aircraft and a fighter armed with two 30 mm Type 5 cannons with 50 rounds per gun.
The plane was on loan to NASA from the United States Air Force. This same aircraft would later be used in the F-15 ACTIVE ("Advanced Control Technology for Integrated Vehicles") from 1993 to 1999, and later in the Intelligent Flight Control System programs from 1999 to 2008. While with NASA, the aircraft's tail number was 837. [4]
The Herbst maneuver (also known as a J-turn [1] [2]) is an air combat maneuver that uses post-stall technology such as thrust vectoring and advanced flight controls to achieve high angles of attack. [3] The Herbst maneuver allows an aircraft to quickly reverse direction using a combination of high angle-of-attack and rolling.