A copy of a promotional flyer for the Shenyang FC-31 has surface on Chinese internet ahead of the opening of Beijing Aviation Expo 2015 on Sept. 16.
By wc [CC BY-SA 4.0 or CC BY-SA 4.0], via Wikimedia Commons
Four hardpoints on internal weapons bay and six external hardpoints plus one gun.
General characteristics
Length: 16.8 m (55 ft 1.42 in)
Wingspan: 11.5 m (37 ft 9 in)
Height: 4.8 m (15 ft 9 in)
Normal takeoff Gross weight: 17,600 kg (38,801 lb)
Max. takeoff weight: 25,000 kg (55,115 lb)
Powerplant: 88 kN (19,783 lbf) thrust each
Performance
Maximum speed: Mach 1.8
Service ceiling: 16 km (52, 493 ft)
G-load: +9/-3 g
Combat radius: 1,200 km (647 nmi)
Take-off distance: 400 m (1312 ft)
Landing distance: 600 m (1968 ft)
Weapons load: 8 tons (16,000 lb)
Airframe life: 6000-8000 hours
Nice find, and thanks for the translation.
Gross weight: 17,600 kg…. Wrong!
Should be: Normal takeoff weight: 17,500 kg
So… Thrust-to-weight ratio: ~1.0057