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Rolled back some changes to improve handling.

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david 2002-12-22 20:05:22 +00:00
parent f2b8f54d00
commit c2ca4bf71a
1 changed files with 62 additions and 95 deletions
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157
Aircraft/c172p/c172p.xml
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@ -522,127 +522,94 @@
<AXIS NAME="PITCH"> <AXIS NAME="PITCH">
<!-- Roskam p.481 --> <!-- Peden -->
<COEFFICIENT NAME="Cmo" TYPE="VECTOR"> <COEFFICIENT NAME="Cmo" TYPE="VALUE">
Pitching_moment_at_zero_alpha Pitching_moment_at_zero_alpha
2 aero/qbar-psf | metrics/Sw-sqft | metrics/cbarw-ft
0.1
</COEFFICIENT>
<!-- Peden -->
<COEFFICIENT NAME="Cmalpha" TYPE="VALUE">
Pitch_moment_due_to_alpha
aero/qbar-psf | metrics/Sw-sqft | metrics/cbarw-ft | aero/alpha-rad
-1.8
</COEFFICIENT>
<!-- Roskam p.481 -->
<COEFFICIENT NAME="Cmq" TYPE="VALUE">
Pitch_moment_due_to_pitch_rate
aero/qbar-psf | metrics/Sw-sqft | metrics/cbarw-ft | aero/ci2vel | velocities/q-aero-rad_sec
-12.4
</COEFFICIENT>
<!-- based on Roskam p.481 -->
<COEFFICIENT NAME="Cmadot" TYPE="VALUE">
Pitch_moment_due_to_alpha_rate
aero/qbar-psf | metrics/Sw-sqft | metrics/cbarw-ft | aero/ci2vel | aero/alphadot-rad_sec
-7.27
</COEFFICIENT>
<!-- Roskam p.481 -->
<COEFFICIENT NAME="Cmde" TYPE="VALUE">
Pitch_moment_due_to_elevator_deflection
aero/qbar-psf | metrics/Sw-sqft | metrics/cbarw-ft | fcs/elevator-pos-rad
-1.122
</COEFFICIENT>
<!-- Peden -->
<COEFFICIENT NAME="Cmdf" TYPE="VECTOR">
Delta_pitching_moment_due_to_flap_deflection
4
fcs/flap-pos-deg fcs/flap-pos-deg
aero/qbar-psf | metrics/Sw-sqft | metrics/cbarw-ft aero/qbar-psf | metrics/Sw-sqft | metrics/cbarw-ft
0 0.04 0 0
30 0.09 10 -0.0654
</COEFFICIENT> 20 -0.0981
30 -0.1140
<!-- based on Roskam p.481 --> </COEFFICIENT>
<COEFFICIENT NAME="Cmalpha" TYPE="TABLE">
Pitch_moment_due_to_alpha
2
2
aero/alpha-rad
fcs/flap-pos-deg
aero/qbar-psf | metrics/Sw-sqft | metrics/cbarw-ft | aero/alpha-rad
0 30
0 -0.613 -0.584
0.0943 -0.650 -0.621
</COEFFICIENT>
<!-- based on Roskam p.481 -->
<COEFFICIENT NAME="Cmq" TYPE="TABLE">
Pitch_moment_due_to_pitch_rate
2
2
aero/alpha-rad
fcs/flap-pos-deg
aero/qbar-psf | metrics/Sw-sqft | metrics/cbarw-ft | aero/ci2vel | velocities/q-aero-rad_sec
0 30
0 -12.4 -9.3
0.0943 -15.2 -12.1
</COEFFICIENT>
<!-- based on Roskam p.481 -->
<COEFFICIENT NAME="Cmadot" TYPE="TABLE">
Pitch_moment_due_to_alpha_rate
2
2
aero/alpha-rad
fcs/flap-pos-deg
aero/qbar-psf | metrics/Sw-sqft | metrics/cbarw-ft | aero/ci2vel | aero/alphadot-rad_sec
0 30
0 -7.27 -6.66
0.0943 -5.57 -4.96
</COEFFICIENT>
<!-- based on Roskam p.481 -->
<COEFFICIENT NAME="Cmde" TYPE="TABLE">
Pitch_moment_due_to_elevator_deflection
2
2
aero/alpha-rad
fcs/flap-pos-deg
aero/qbar-psf | metrics/Sw-sqft | metrics/cbarw-ft | fcs/elevator-pos-rad
0 30
0 -1.122 -0.846
0.0943 -1.369 -1.093
</COEFFICIENT>
</AXIS> </AXIS>
<AXIS NAME="YAW"> <AXIS NAME="YAW">
<!-- based on Roskam p.482, clamped to +/-20deg beta --> <!-- based on Roskam p.482, clamped to +/-20deg beta -->
<COEFFICIENT NAME="Cnb" TYPE="TABLE"> <COEFFICIENT NAME="Cnb" TYPE="VECTOR">
Yaw_moment_due_to_beta Yaw_moment_due_to_beta
3 3
2
aero/beta-rad aero/beta-rad
aero/alpha-rad
aero/qbar-psf | metrics/Sw-sqft | metrics/bw-ft aero/qbar-psf | metrics/Sw-sqft | metrics/bw-ft
0 0.0943 -0.349 -0.0205
-0.349 -0.0205 -0.0317 0 0
0 0 0 0.349 0.0205
0.349 0.0205 0.0317
</COEFFICIENT>
<!-- based on Roskam p.482 -->
<COEFFICIENT NAME="Cnp" TYPE="TABLE">
Yaw_moment_due_to_roll_rate
2
2
aero/alpha-rad
fcs/flap-pos-deg
aero/qbar-psf | metrics/Sw-sqft | metrics/bw-ft | aero/bi2vel | velocities/p-aero-rad_sec
0 30
0 -0.0278 -0.0685
0.0943 -0.0649 -0.1056
</COEFFICIENT> </COEFFICIENT>
<!-- Roskam p.482 --> <!-- Roskam p.482 -->
<COEFFICIENT NAME="Cnr" TYPE="VECTOR"> <COEFFICIENT NAME="Cnp" TYPE="VALUE">
Yaw_moment_due_to_roll_rate
aero/qbar-psf | metrics/Sw-sqft | metrics/bw-ft | aero/bi2vel | velocities/p-aero-rad_sec
-0.0278
</COEFFICIENT>
<!-- Roskam p.482 -->
<COEFFICIENT NAME="Cnr" TYPE="VALUE">
Yaw_moment_due_to_yaw_rate Yaw_moment_due_to_yaw_rate
2
aero/alpha-rad
aero/qbar-psf | metrics/Sw-sqft | metrics/bw-ft | aero/bi2vel | velocities/r-aero-rad_sec aero/qbar-psf | metrics/Sw-sqft | metrics/bw-ft | aero/bi2vel | velocities/r-aero-rad_sec
0 -0.0937 -0.0937
0.0943 -0.1199
</COEFFICIENT> </COEFFICIENT>
<!-- based on Roskam p.482 --> <!-- Peden -->
<COEFFICIENT NAME="Cnda" TYPE="VECTOR"> <COEFFICIENT NAME="Cnda" TYPE="VALUE">
Yaw_moment_due_to_aileron Yaw_moment_due_to_aileron
2
fcs/flap-pos-deg
aero/qbar-psf | metrics/Sw-sqft | metrics/bw-ft | fcs/left-aileron-pos-rad aero/qbar-psf | metrics/Sw-sqft | metrics/bw-ft | fcs/left-aileron-pos-rad
0 -0.0216 -0.0053
30 -0.0573
</COEFFICIENT> </COEFFICIENT>
<!-- based on Roskam p.482 --> <!-- Peden -->
<COEFFICIENT NAME="Cndr" TYPE="VECTOR"> <COEFFICIENT NAME="Cndr" TYPE="VALUE">
Yaw_moment_due_to_rudder Yaw_moment_due_to_rudder
2
fcs/flap-pos-deg
aero/qbar-psf | metrics/Sw-sqft | metrics/bw-ft | fcs/rudder-pos-rad aero/qbar-psf | metrics/Sw-sqft | metrics/bw-ft | fcs/rudder-pos-rad
0 -0.0645 -0.043
30 -0.0485
</COEFFICIENT> </COEFFICIENT>
</AXIS> </AXIS>