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Military


S-21 SSBJ Super Sonic Business Jet

Description
Construction Publicly held company "OKB Sukhoi"
Designation S -21g S -21
Year of the building the project
Type Supersonic passenger aircraft of business- class (administrative)
Crew 2
Number of passengers 6 6. 10
Geometric and mass characteristics
Span of wing, m 19,92 19,90
Length of aircraft, m 40,5 37,86
Equivalent diameter of fuselage, m 2,16
Aircraft altitude, m 8,25 9,55
Wing area, [m]2 130 140
Sweepback of the wing 32[o]/68[o]
Base of chassis, m 15,8
Track of landing gear, m 4,11
Takeoff weight, the kgf normal 48000
maximum 48500 51800
Weight of empty, kgf 22560 24570
The payload normal 460
maximum 910
Propellant weight in the internal tanks, the kgf (l) 24960 (30,576) 26520
Starting specific wing load, [kg]/[m]2 342 (470)
Power plant
Number of engines 2 3
Engine TRDF (TURBOJET ENGINE WITH AFTERBURNER) AL -363 TRDD D -21[A]1
Thrust of engine (starting), kG 2[kh] 11500 3[kh] 7500
Starting thrust-weight ratio 0,479 (0,333)
Cruising specific consumption of fuel, [kg]/[dan]*[chas] 1,15
Flight-performance data (calculated)
Cruising speed, km/h ([M]=) supersonic at the height of 15 km 2025 2125 (2,0)
subsonic 1015 (0,95)
Flying range, km supersonic with [M]=2,0 7400 7400
supersonic with [M]=1,4 4370
subsonic with [M]=0,95 7400 7400
Ceiling, m 18500 15500-19500
Landing speed, the km/h 270
Unstick speed, km/h 340
Required length VPP, m 1980 1980
Intensity of sonic boom, psi ([kg]/[m]2) < 0.007 (5) (not more 5)



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Page last modified: 12-12-2019 19:05:08 ZULU