Stall Speed Estimates    RB-50F-60-BO Superfortress
Weight
lbs.
full flaps
mph
25° flaps
mph
clean
mph
full flaps
kts
25° flaps
kts
clean
kts
  Stall speeds   0.5556
91'439 99 111 136 86 97 118 Zero fuel, full ammo  
95'000 101 113 139 87 98 121      
100'000 103 116 142 90 101 124      
110'000 108 122 149 94 106 130      
120'000 113 127 156 98 111 135      
130'000 118 132 162 102 115 141      
132'587 119 134 164 103 116 142 100% fuel, full ammo
140'000 122 137 168 106 119 146      
150'000 126 142 174 110 124 151      
160'000 131 147 180 113 128 156      
170'400 135 152 186 117 132 161 Max Gross Weight  
  G-Force     1 2 3 4 5 6 7 8 9 10 Mach 1
390.98 19.7732
Test Weight 91'439 No fuel - No ammo
Max CL 1.11 at 9.9 degrees 1.13
Wing Area 1738.9 133.4871