اهلا و سهلا اخي الزيني .
يا اخي العزيز من المفروض اذا وجدنا خطأ في موضوع ان نرشد صاحبه الى الرابط او الموقع الذي يحمل المعلومة الصحيحه , و على كل حال فان البيانات التي قمت بوضعها ليست خاطئة
builder yakovlev roleair defence similar aircraft 
         span 33ft 1 1/2in (10.105m); 
folded, 19ft 4 1/4in    (5.9m)   wing area 341.56ft(2)  (31.7m(2))  length overall 60ft 2 3/4in (18.36m)   height 16ft 4 1/4in  (5m)   wheel track 9ft loin (3m)   wheel base 22ft 9 1/4in (6.945m)   tailplane span 19ft 4 1/4in (5.9m)      weights  25,684lb (11,650kg) empty, equipped
34,833lb (15,800kg) vto max take-off weight 
42,990lb (19,500kg) sto max take-off weight 
    loads 2,204lb (1,oookg) vto max external load
5,732lb (2,600kg) sto max external load
3,858lb (1,750kg) max external fuel   armament  30 mm cannon  
aa-10 alamo radar-guided  medium-range aam  
aa-11 archer shortrange ir-guided missile 
bombs 
unguided rockets    
 limiting load factor 50% fuel, 7g.        accommodation single pilot in a zvezda k36v  rocket-boosted zero-zero    ejection-seat.     power plant one kobchenko/soyuz r-79-300  vectored-thrust lift/cruise    turbofan developing 34,170lb (15,500kg) with afterburning for    conventional take-off, or 23,148.5lb (10,500kg) dry, 
plus two  rybinsk    rd- 41 turbofan lift engines each rated at a maximum 9,039lb    (4,100kg) 
 max internal fuel capacity   9,700lb (4,400kg)      maximum speed 675 kts (1,250km/hr) max level speed, sea level
971 kts (1,800km/hr) at 36,089ft (11,ooom)
m=1.8 max achievable mach number   vertical climb rate 49,213ft/min (250m/sec)   service ceiling    over 49,000ft (15,000m+)  combat radius 351nm (650km)  vto range at sea  level, no external weapons 
372nm (690km) with 4,409lb (2,000kg) weapon load and take-off  run of 394ft (120m) 
755nm (1,400km) at 32,808-39,370ft (10-12,000m) 
1,133nm (2,100km) max range, with external fuel and short  take-off  
755nm (1,400km) with vertical takeoff and internal fuel