 Douglas DC-9-10, -30, and -50 Performance Data, supplied by Mike Vidal
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  TYPES        short/medium-range transport                                
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  PASSENGERS   Series 10           Series 30           Series 50          
   Nrm/HiDnsty   80/90              105/119             122/139           
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  DIMENSIONS   Series 10           Series 30           Series 50          
   Span            89'5"               93'5"               93'5"          
   Length         104'5"              119'5"              133'7"          
   Height          28'0"               28'0"               28'0"          
   Wing Area     958 ft            1001 ft            1001 ft          
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  POWERPLANTS  Series 10: two 12,250-lb Pratt & Whitney JT8D-5 turbofans  
               Series 30: two 14,000-lb Pratt & Whitney JT8D-8 turbofans  
               Series 50: two 16,000-lb Pratt & Whitney JT8D-17 turbofans 
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  FUEL QUAN.   Series 10           Series 30           Series 50          
   WINGS        9,333 lb x 2        9,286 lb x 2        9,286 lb x 2      
   CENTER       6,080 lb            6,080 lb            6,700 lb          
   ---------   ---------           ---------           ---------          
   TOTAL       24,746 lb           24,652 lb           31,349 lb          
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  WEIGHTS      Series 10           Series 30           Series 50          
   MZFW        74,000 lb.          87,000 lb.          98,500 lb.         
   MGTW        91,500 lb.         106,000 lb.         122,000 lb.         
   MGTOW       90,700 lb.         105,000 lb.         121,000 lb.         
   MGLW        81,700 lb.          98,100 lb.         110,000 lb.         
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  PERFORMANCE  Series 10           Series 30           Series 50          
  V-SPEEDS                                                                
    MMO        0.84 MACH           0.84 MACH           0.84 MACH          
    VA          220 KIAS            239 KIAS            239 KIAS          
    V1 @ MGTOW  138 KIAS            138 KIAS            140 KIAS          
    Vr @ MGTOW  142 KIAS            140 KIAS            145 KIAS          
    V2 @ MGTOW  143 KIAS            146 KIAS            149 KIAS          
  GEAR SPDS     215  VLE            300  VLE            300  VLE          
                215  VLO            250  VLO            250  VLO          
  FLAP SPDS    280 @ 10           280 @ 05           280 @ 05          
               240 @ 20           240 @ 15           240 @ 15          
               210 @ 30           210 @ 25           220 @ 25          
               180 @ 50           180 @ 50           190 @ 50          
  VREF 120 kip    ----                ----              138 KIAS          
       115 kip    ----                ----              135 KIAS          
       110 kip    ----                ----              132 KIAS          
       105 kip    ----              131 KIAS            129 KIAS          
       100 kip    ----              128 KIAS            126 KIAS          
        95 kip    ----              125 KIAS            123 KIAS          
        90 kip  139 KIAS            122 KIAS            119 KIAS          
        85 kip  135 KIAS            118 KIAS            116 KIAS          
        80 kip  131 KIAS            115 KIAS            113 KIAS          
        75 kip  127 KIAS            111 KIAS            109 KIAS          
        70 kip  122 KIAS            107 KIAS            105 KIAS          
        65 kip  118 KIAS            109 KIAS              ----            
        60 kip  113 KIAS            099 KIAS              ----            
        55 kip  108 KIAS              ----                ----            
   CEILING     35,000 ft           35,000 ft           35,000 ft          
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