1#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 2# 3# Aircraft: 4# 5# Simulates the Airwave Xtreme 150 hang glider 6# 7# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 8# 9# Authors: 10# 11# Michael Selig 12# 13#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 14# 15# Notes: 16# - Models c.g. shift by way of modifying the aerodynamics 17# 18#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 19 20init use_V_rel_wind_2U 21init use_dyn_on_speed_curve1 22init dyn_on_speed 2 23init dyn_on_speed_zero 1 24init use_Alpha_dot_on_speed 3 # [ft/sec] speed below which Alpha_dot is set to zero 25init use_gamma_horiz_on_speed 5 # [ft/sec] speed above which Gamma_horiz_deg is used in chase view [1] 26 27 28# geometry 29geometry bw 33.6666 # [ft] 30geometry cbar 4.75 # [ft] 31geometry Sw 154.0 # [ft^2] 32 33# Moving the elevator stick simulates the pilot moving back and forth. 34# Both the c.g. shift and change in angle of attack are accounted for. 35controlSurface de 1.05 1.05 # [deg] 36controlSurface da 20 20 # [deg] 37 38mass Weight 275 # [lb] 39mass I_xx 219.3 # [slug-ft^2] 40mass I_yy 95.6 # [slug-ft^2] 41mass I_zz 190.4 # [slug-ft^2] 42mass I_xz 8.8 # [slug-ft^2] 43 44# Apparent mass terms 45mass Mass_appMass_ratio .2 46mass I_xx_appMass_ratio .3 47mass I_yy_appMass_ratio .08 48 49# Engine is used to get to altitude 50engine simpleSingle 180 # [lb] 51 52# Lift curve +-180 deg 53CL CLfade CLfade.dat 0 1 1 54 55# Drag polar from +-180 deg 56# from Ormiston (see readme file) 57CD CDfade CDfade.dat 0 1 1 58 59# Substract off some drag from the data (CDfade) above to enhance the performance 60# to better model current hang gliders. 61CD CDo -0.03 62 63# Moment curve +-180 deg 64Cm Cmfade Cmfade.dat 0 1 1 65Cm Cm_q -5.2 # [/rad] 66 67CY CY_beta -0.6 # [/rad] 68CY CY_p -0.2 # [/rad] 69CY CY_r 0.4 # [/rad] 70#CY CY_dr 0.15 # [/rad] 71 72Cl Cl_beta -0.08 # [/rad] 73Cl Cl_p -0.5 # [/rad] 74Cl Cl_r 0.06 # [/rad] 75Cl Cl_da -0.15 # [/rad] 76#Cl Cl_dr 0.015 # [/rad] 77 78Cn Cn_beta 0.1 # [/rad] 79Cn Cn_p -0.06 # [/rad] 80Cn Cn_r -0.08 # [/rad] 81#Cn Cn_r -0.38 # [/rad] 82Cn Cn_da -0.001 # [/rad] 83#Cn Cn_dr -0.125 # [/rad] 84 85# nose wheel (must be position 0 if present) 86gear Dx_gear 0 1.5 # x-offset from CG [ft] 87gear Dy_gear 0 0 # y-offset from CG [ft] 88gear Dz_gear 0 3.6 # z-offset from CG [ft] 89gear cgear 0 300 # damping [lbs/ft/sec] 90gear kgear 0 900 # springiness [lbs/ft] 91gear muGear 0 0.01 # rolling coefficient 92gear strutLength 0 -0.5 # gear travel [ft] (not yet used) 93 94# right gear (must be position 1 if present) 95gear Dx_gear 1 -0.2 # [ft] 96gear Dy_gear 1 1.25 # [ft] 97gear Dz_gear 1 3.7 # [ft] 98gear cgear 1 600 # [lbs/ft/sec] 99gear kgear 1 900 # [lbs/ft] 100gear muGear 1 0.01 # rolling coefficient 101gear strutLength 1 2.5 # [ft] 102 103# left gear (must be position 2 if present) 104gear Dx_gear 2 -0.2 # [ft] 105gear Dy_gear 2 -1.25 # [ft] 106gear Dz_gear 2 3.7 # [ft] 107gear cgear 2 600 # [lbs/ft/sec] 108gear kgear 2 900 # [lbs/ft] 109gear muGear 2 0.01 # rolling coefficient 110gear strutLength 2 2.5 # [ft] 111 112# aft post 113gear Dx_gear 3 -6.39 # [ft] 114gear Dy_gear 3 0.0 # [ft] 115gear Dz_gear 3 0.5 # [ft] 116gear cgear 3 150 # [lbs/ft/sec] 117gear kgear 3 300 # [lbs/ft] 118gear muGear 3 0.01 # rolling coefficient 119gear strutLength 3 2.5 # [ft] 120 121# "fake" hard point in front to keep from tipping nose over 122# (D-NXKT: setting this point to hang glider nose yields to extreme bouncing. 123# No adjustment for cgear/kgear found to prevent this! Bug?) 124gear Dx_gear 4 12 # [ft] 125gear Dy_gear 4 0 # [ft] 126gear Dz_gear 4 0 # [ft] 127gear cgear 4 150 # [lbs/ft/sec] 128gear kgear 4 300 # [lbs/ft] 129gear muGear 4 0.01 # rolling coefficient 130gear strutLength 4 2.5 # [ft] 131 132# left wing tip 133gear Dx_gear 5 3.28 # [ft] 134gear Dy_gear 5 16.90 # [ft] 135gear Dz_gear 5 1.48 # [ft] 136gear cgear 5 150 # [lbs/ft/sec] 137gear kgear 5 300 # [lbs/ft] 138gear muGear 5 0.01 # rolling coefficient 139gear strutLength 5 2.5 # [ft] 140 141# right wing tip 142gear Dx_gear 6 3.28 # [ft] 143gear Dy_gear 6 -16.90 # [ft] 144gear Dz_gear 6 1.48 # [ft] 145gear cgear 6 150 # [lbs/ft/sec] 146gear kgear 6 300 # [lbs/ft] 147gear muGear 6 0.01 # rolling coefficient 148gear strutLength 6 2.5 # [ft] 149 150* 151