supercruise

(redirected from Supersonic cruising)

supercruise

An aircraft cruising at supersonic speeds without the use of an afterburner.
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The Russian fifth-generation Su-57 fighter jet features stealth technology with the broad use of composite materials, is capable of maintaining supersonic cruising speed and is furnished with the most advanced onboard radio-electronic equipment, including a powerful onboard computer (the so-called electronic second pilot), the radar system spread across its body and some other innovations, in particular, armament placed inside its fuselage.
On the one hand, the engine should have the turbojet features, such as higher specific thrust, to realize nonaugmented supersonic cruising and high subsonic climbing.
Keeping the airflow constant during the supersonic cruising can also reduce the risk of inlet supersonic buzz, which is caused by the inlet-engine airflow mismatch.
Flying at supersonic cruising speed, the Spike S-512 will cut the flight time by half at the cost equivalent to a business class seat.
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