The high agility demonstrated by the Sukhoi Su-35S fighter at the Paris air show is rooted in a Russian concept in which close-range, low-speed air combat remains important, according to Sukhoi chief test pilot Sergey Bogdan.
The aircraft, equipped with three-axis thrust-vectoring and fully integrated flight and propulsion control, performed maneuvers here which no other operational fighter can match. These include a controlled vertical, flat-attitude descent with the aircraft rotating, and a dynamic deceleration, or “cobra”, leading to a small-radius 180-deg. turn and course reversal. It demonstrated a dynamic deceleration followed by extremely slow flight at a near-90-deg. angle of attack.
“Most of the fighters we have available today with vectored thrust, the Su-30MKI and MKM, can perform these maneuvers,” Bogdan tells Aviation Week. “Where this aircraft is different is that it has more thrust, so when it performs the 'bell' maneuver, it can stand still, with afterburning on, and can sustain flight at 120-140 kph.”
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