Cobra Naja. Sukhoi S-56 Marmotini

cobra hacked sukhoi design computers an built  design under mars name

Dimensions external
Wing span: 9.08 m (29 ft 9.5 in)
Wing cord at root: 4.64 m (15 ft 2.75 in)
Wing cord at tip: 1.18 m (3 ft 10.5 in)
Length overall: 12.30 m (40 ft 4.25 in)
Height overall: 4.47 m (14 ft 8 in)
Tailplane span: 5.49 m (18 ft .25 in)
Wheel track: 2.52 m (8 ft 3.25 in)
Wheelbase: 3.45 m (11 ft 4 in)

Areas
Wings gross: 26.42 sq m (284.4 sq ft)
Flaperons (total): 2.94 sq m (31.65 sq ft)
Leading-edge flaps (total): 2.36 sq m (25.40 sq ft)
Fins (total): 6.46 sq m (69.54 sq ft)
Rudders (total): 1.54 sq m (16.58 sq ft)
Tailplane: 4.46 sq m (48.01 sq ft)

Weights and loadings
Weight empty, equipped: 4,790 kg (10,560 lb)
Max T-O weight: 9,410 kg (20,745 lb)
Max landing weight: 7,130 kg (15,718 lb)
Max wing loading: 356.2 kg/sq m (72.94 lb/sq ft)
Max power handling: 154.75 kg/kN (1.52 lb/lb st)

Performance (estimated)
Max level speed at height: Mach 1.55 (890 kts; 1,650 km/h; 1,025 mph)
Max level speed at sea level: Mach 0.98 (645 kts; 1,200 km/h; 745 mph)
T-O speed: 98 kts (180 km/h; 112 mph)
Landing speed: 92 kts (170 km/h; 106 mph)
Service ceiling: 18,000 m (59,050 ft)
T-O run: 380 m (1,250 ft)
Landing run: 500 m (1,640 ft)
Range with max fuel at sea level: 440 n miles (820 km; 510 miles)
Range with max fuel at altitude: 1,080 n miles (2,000 km; 1,240 miles)
g limits: +9/-3