Selected Data on Supersonic Engines

From NASA AIAA 92-1027 TBE


Design Mach 1.6 2 2.4
SLSThrust (klb) 70.6 69 65.5
Engine Weight 9252 9278 9587
Total Weight 14595 15521 17424
Cruise sfc 1.118 1.199 1.31

Some thrust and sfc lapse rates: (From 92-1027, Concorde brochure, Boeing CR, SAE901890, SAE1892 )
M h T sfc eta source
0 0 70610 0.8746 0 AIAA92-1027
1.6 45000 29528 1.118 0.346  
           
0 0 69035 0.8728 0 AIAA92-1027
2 55000 21911 1.1991 0.404  
           
0 0 65482 0.9293 0 AIAA92-1027
2.4 65000 18955 1.31 0.443  
           
0 0 38050     Concorde Brochure
2 60000 6791 --    
           
0 0 52730 -- 0 Boeing CR
0.9 30000? 42q 0.98 0.22  
2.4 60000? 25q 1.28 0.454  
           
2 -- -- 1.2 0.403 SAE 1890
           
0 0 49460 0.548 0 Rolls VCE
0.95 31000 7868 0.845 0.279  
1.3 35000 12930 0.902 0.351  
2 60000 8711 1.1 0.44  
           
0 0 ------ 1.39 0 Rolls Olympus Data
0.95 31000 ----- 1.025 0.23  
1.3 35000 ----- 1.415 0.224  
2 60000 ---- 1.195 0.405  
           
0 0 49460 0.551   Rolls Tandem Fan
0.95 31000 7868 0.816 0.288  
1.3 35000 12930 0.893 0.354  
2 60000 8711 1.094 0.437  

Overall engine efficiencies at cruise:
Mach eta eta_goal source
1.0 .38 .38 Douglas CR pg47
2.0 .42 .45 "
3.2 .46 .56 "
5.0 .50 .58 "

Some rough additional rules from a Rolls-Royce SNECMA paper:
Nacelle isolated drag = 4.6% T (friction) + 4.4% T (wave)
SLSTH/Weng = 5.28
TOThrust = .37 GTOW (Concorde)