Thursday, February 3, 2011

Sukhoi Su-27

| Thursday, February 3, 2011 | 0 comments

The Su-27 most often flies air superiority missions, but is able to perform almost all combat operations. Complementing the smaller MiG-29, the Su-27's closest US counterpart is the F-15 Eagle.

The Su-27 airframe was manufactured using an integral configuration with the wing and fuselage forming a single aerodynamically lifted frame. Its longitudinal sections in the form of the wing airfoil ensure high aerodynamic efficiency and high lift coefficient while manoeuvring. To increase the aircraft manoeuvrability, it is designed statically unstable with artificial stability provided by the remote control system. The fighter is fitted with the analogue quad-redundant fly-by-wire system. The wings are mid-mounted and semi-delta with square tips. The wing has drooping leading edges and flaperons. The Leading-Edge Root Extension (LERX) extends downward and forward of the wing roots. The vertical tail is twin-finned with rudders. The horizontal tail is a differential tailplane and consists of two all-moving outer wings. The tail fins are swept-back, tapered with square tips, and mounted outboard of the engines. The flats are mid-mounted, swept-back, and tapered.

The Su-27 is armed with a single 30 mm Gryazev-Shipunov GSh-30-1 cannon in the starboard wingroot, and has up to 10 hardpoints for missiles and other weapons. Its standard missile armament for air-to-air combat is a mixture of Vympel R-73 (AA-11 Archer), Vympel R-27 (AA-10 'Alamo') weapons, the latter including extended range and IR guided models. More advanced Flanker variants (such as Su-30, -35, -37) may also carry Vympel R-77 (AA-12 Adder) missiles.
The Su-27 has a high-contrast tuneable HUD and a Helmet mounted display capability.


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