# Jeff Scott # Boeing 747, low cruise configuration # large commercial jetliner, data from: # Roskam, Jan. Airplane Flight Dynamics and Automatic Flight # Controls, Part I. Lawrence KS: DARcorporation, 1995, # pg 543-545 # 03-23-2000 file creation init Dz_cg 0.0 # [ft] geometry bw 196.0 # [ft] geometry cbar 27.3 # [ft] geometry Sw 5500.0 # [ft^2] controlSurface de 20 20 # [deg] guess for now controlSurface da 20 20 # [deg] guess for now controlSurface dr 20 20 # [deg] guess for now mass Weight 636640 # [lb] mass I_xx 18200000 # [slug-ft^2] mass I_yy 33100000 # [slug-ft^2] mass I_zz 49700000 # [slug-ft^2] mass I_xz 970000 # [slug-ft^2] # Roskam: CTx=0.025 (SL conditions) --> 39500 lb # aircraft specs: 4 engines of 41000 lb static thrust each (747-100) # 63500 lb static thrust each (747-400) engine simpleSingle 39500 # [lb] CL CLo 0.210 # [] CL CL_a 4.40 # [/rad] CL CL_adot 7.0 # [/rad] CL CL_q 6.6 # [/rad] CL CL_de 0.32 # [/rad] CD CDo 0.0164 # [] CD CD_a 0.200 # [/rad] CD CD_de 0.0 # [/rad] Cm Cmo 0.0 # [] Cm Cm_a -1.0 # [/rad] Cm Cm_adot -4.0 # [/rad] Cm Cm_q -20.5 # [/rad] Cm Cm_de -1.3 # [/rad] CY CY_beta -0.9 # [/rad] CY CY_p 0.0 # [/rad] CY CY_r 0.0 # [/rad] CY CY_da 0.0 # [/rad] sign reversed CY CY_dr 0.120 # [/rad] Cl Cl_beta -0.160 # [/rad] Cl Cl_p -0.340 # [/rad] Cl Cl_r 0.130 # [/rad] Cl Cl_da -0.013 # [/rad] sign reversed Cl Cl_dr 0.008 # [/rad] Cn Cn_beta 0.16 # [/rad] Cn Cn_p -0.026 # [/rad] Cn Cn_r -0.280 # [/rad] Cn Cn_da -0.0018 # [/rad] sign reversed Cn Cn_dr -0.1 # [/rad]