63 lines
1.8 KiB
Text
63 lines
1.8 KiB
Text
# Jeff Scott
|
|
# Cessna 620, cruise configuration
|
|
# four piston engine business airplane, data from:
|
|
# Roskam, Jan. Airplane Flight Dynamics and Automatic Flight
|
|
# Controls, Part I. Lawrence KS: DARcorporation, 1995,
|
|
# pg 515-517
|
|
# 03-23-2000 file creation
|
|
|
|
init Dz_cg 4.0 # [ft]
|
|
|
|
geometry bw 55.1 # [ft]
|
|
geometry cbar 6.58 # [ft]
|
|
geometry Sw 340 # [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 15000 # [lb]
|
|
mass I_xx 64811 # [slug-ft^2]
|
|
mass I_yy 17300 # [slug-ft^2]
|
|
mass I_zz 64543 # [slug-ft^2]
|
|
mass I_xz 0 # [slug-ft^2]
|
|
|
|
|
|
# Roskam: CTx=0.042 (cruise conditions) --> 1300 lb
|
|
# aurcraft specs: 4 engines, power unknown
|
|
engine simpleSingle 2500 # [lb]
|
|
|
|
|
|
CL CLo 0.48 # []
|
|
CL CL_a 5.55 # [/rad]
|
|
CL CL_adot 2.7 # [/rad]
|
|
CL CL_q 7.5 # [/rad]
|
|
CL CL_de 0.58 # [/rad]
|
|
|
|
CD CDo 0.0322 # []
|
|
CD CD_a 0.269 # [/rad]
|
|
CD CD_de 0.0 # [/rad]
|
|
|
|
Cm Cmo 0.06 # []
|
|
Cm Cm_a -1.18 # [/rad]
|
|
Cm Cm_adot -8.17 # [/rad]
|
|
Cm Cm_q -22.4 # [/rad]
|
|
Cm Cm_de -1.73 # [/rad]
|
|
|
|
CY CY_beta -0.883 # [/rad]
|
|
CY CY_p -0.227 # [/rad]
|
|
CY CY_r 0.448 # [/rad]
|
|
CY CY_da 0.0 # [/rad] sign reversed
|
|
CY CY_dr 0.2 # [/rad]
|
|
|
|
Cl Cl_beta -0.1381 # [/rad]
|
|
Cl Cl_p -0.566 # [/rad]
|
|
Cl Cl_r 0.1166 # [/rad]
|
|
Cl Cl_da -0.1776 # [/rad] sign reversed
|
|
Cl Cl_dr 0.02 # [/rad]
|
|
|
|
Cn Cn_beta 0.1739 # [/rad]
|
|
Cn Cn_p -0.0501 # [/rad]
|
|
Cn Cn_r -0.2 # [/rad]
|
|
Cn Cn_da 0.0194 # [/rad] sign reversed
|
|
Cn Cn_dr -0.1054 # [/rad]
|