# Michael Selig # F-4 Phantom, subsonic cruise configuration # twin jet engine supersonic fighter/attack airplane, data from: # Roskam, Jan. Airplane Flight Dynamics and Automatic Flight # Controls, Part I. Lawrence KS: DARcorporation, 1995, # pg 536-538 # 02-10-2000 file creation init Dz_cg 5.0 # [ft] geometry bw 38.7 # [ft] geometry cbar 16.0 # [ft] geometry Sw 530.0 # [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 39000 # [lb] mass I_xx 25000 # [slug-ft^2] mass I_yy 122200 # [slug-ft^2] mass I_zz 139800 # [slug-ft^2] mass I_xz 2200 # [slug-ft^2] # Roskam: CTx=0.2 (SL conditions) --> 6670 lb # aircraft specs: 2 engines of 16000 lb static thrust each (F-4A) # 2 engines of 17900 lb static thrust each (F-4E) engine simpleSingle 16000 # [lb] CL CLo 0.100 # [] CL CL_a 3.750 # [/rad] CL CL_adot 0.86 # [/rad] CL CL_q 1.8 # [/rad] CL CL_de 0.40 # [/rad] used CLih (typo in Roskam?) CD CDo 0.0205 # [] CD CD_a 0.300 # [/rad] CD CD_de -0.10 # [/rad] used CDih (typo in Roskam?) Cm Cmo 0.025 # [] Cm Cm_a -0.400 # [/rad] Cm Cm_adot -1.3 # [/rad] Cm Cm_q -2.7 # [/rad] Cm Cm_de -0.580 # [/rad] used Cmih (typo in Roskam?) CY CY_beta -0.68 # [/rad] CY CY_p 0.0 # [/rad] CY CY_r 0.0 # [/rad] CY CY_da 0.016 # [/rad] sign reversed CY CY_dr 0.095 # [/rad] Cl Cl_beta -0.080 # [/rad] Cl Cl_p -0.240 # [/rad] Cl Cl_r 0.070 # [/rad] Cl Cl_da -0.042 # [/rad] sign reversed Cl Cl_dr 0.0060 # [/rad] Cn Cn_beta 0.125 # [/rad] Cn Cn_p -0.036 # [/rad] Cn Cn_r -0.270 # [/rad] Cn Cn_da 0.0010 # [/rad] sign reversed Cn Cn_dr -0.066 # [/rad]