SR22T-jsb.xml

<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="http://jsbsim.sourceforge.net/JSBSim.xsl"?>
<fdm_config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="SR22T" version="2.0" release="ALPHA" xsi:noNamespaceSchemaLocation="http://jsbsim.sourceforge.net/JSBSim.xsd">
	<fileheader>
		<author> Aeromatic v 0.96 </author>
		<filecreationdate>2018-04-06</filecreationdate>
		<version>$Revision: 1.20 $</version>
		<description> Models a SR22T. </description>
	</fileheader>
	<!--
		References:
			[1]	Pilot Operating Handbook (EASA)	http://servicecenters.cirrusdesign.com/tech_pubs/SR2X/pdf/POH/SR22-03E/pdf/Online13772-003E.pdf
	-->
	<metrics>
		<wingarea unit="FT2">  144.92 </wingarea>
		<wingspan unit="FT">   25.99 </wingspan>
		<wing_incidence>          2.00 </wing_incidence>
		<chord unit="FT">    5.58 </chord>
		<htailarea unit="FT2">   23.19 </htailarea>
		<htailarm unit="FT">   68.24 </htailarm>
		<vtailarea unit="FT2">   14.49 </vtailarea>
		<vtailarm unit="FT">   65.62 </vtailarm>
		<!-- CoG always must be behind AeroRP -->
		<location name="AERORP" unit="M">
			<x> -1.145</x>
			<y>   0.00 </y>
			<z> -0.53 </z>
		</location>
		<location name="EYEPOINT" unit="M">
			<x> -1.10144 </x>
			<y> -0.58266 </y>
			<z>  0.5 </z>
		</location>
		<location name="VRP" unit="IN">
			<x>0</x>
			<y>0</y>
			<z>0</z>
		</location>
	</metrics>
	<!-- 	[1]	Center of Gravity (CoG)
		Section 2 (CG Limitation) and Section 6 (Weight and Balance)
		Datum:	100in(2.54m) in front of firewall (~-2.37m):	x=-4.91m
			empty CG:	???
			foremost CG:	137.8in(=3.500m):	-1.41m	(at 2100lbs)
			aftmost CG:	148.1in(=3.762m):	-1.148m
		
		
		pointmass positions:
			forward passengers:	143.5in(=3.645m):	-1.265m
			aft passengers:		180.0in(=4.572m):	-0.338m
			baggage:		208.0in(=5.283m):	+0.373m
			fuel:			154.9in(=3.934m):	-0.976m
	-->
	<mass_balance>
		<ixx unit="SLUG*FT2">       897 </ixx>
		<iyy unit="SLUG*FT2">     20699 </iyy>
		<izz unit="SLUG*FT2">     19876 </izz>
		<emptywt unit="LBS">      2348 </emptywt>
		<location name="CG" unit="M">
			<x> -1.25 </x>
			<y>   0.00 </y>
			<z> -0.54 </z>
		</location>
		<pointmass name="Pilot">
			<weight unit="KG">    80 </weight>
			<location name="Pilot" unit="M">
				<x> -1.265 </x>
				<y> -0.325 </y>
				<z> 0.045 </z>
			</location>
		</pointmass>
		<pointmass name="Copilot">
			<weight unit="KG">    0 </weight>
			<location name="POINTMASS" unit="M">
				<x> -1.265 </x>
				<y>   0.325 </y>
				<z> 0.045 </z>
			</location>
		</pointmass>
		<pointmass name="Passenger Left">
			<weight unit="KG">    0 </weight>
			<location name="POINTMASS" unit="M">
				<x> -0.338 </x>
				<y>   -0.27</y>
				<z> -0.066 </z>
			</location>
		</pointmass>
		<pointmass name="Passenger Center">
			<weight unit="KG">    0 </weight>
			<location name="POINTMASS" unit="M">
				<x> -0.338 </x>
				<y>   0.0</y>
				<z> -0.066 </z>
			</location>
		</pointmass>
		<pointmass name="Passenger Right">
			<weight unit="KG">    0 </weight>
			<location name="POINTMASS" unit="M">
				<x> -0.338 </x>
				<y>   0.27</y>
				<z> -0.066 </z>
			</location>
		</pointmass>
		<pointmass name="Baggage">
			<weight unit="KG">    0 </weight>
			<location name="POINTMASS" unit="M">
				<x> 0.373</x>
				<y>   0.00 </y>
				<z> -0.14 </z>
			</location>
		</pointmass>
	</mass_balance>
	<ground_reactions>
		<contact type="BOGEY" name="NOSE">
			<location unit="M">
				<x> -3.0 </x>
				<y>   0.00 </y>
				<z> -1.36 </z>
			</location>
			<static_friction>  0.80 </static_friction>
			<dynamic_friction> 0.50 </dynamic_friction>
			<rolling_friction> 0.02 </rolling_friction>
			<spring_coeff unit="LBS/FT">       3600 </spring_coeff>
			<damping_coeff unit="LBS/FT/SEC">   1200</damping_coeff>
			<max_steer unit="DEG"> 360 </max_steer>
			<brake_group>NONE</brake_group>
			<retractable>0</retractable>
		</contact>
		<contact type="BOGEY" name="LEFT_MAIN">
			<location unit="M">
				<x> -0.949</x>
				<y> -1.646 </y>
				<z>-1.465</z>
			</location>
			<static_friction>  0.80 </static_friction>
			<dynamic_friction> 0.50 </dynamic_friction>
			<rolling_friction> 0.02 </rolling_friction>
			<spring_coeff unit="LBS/FT">       4800 </spring_coeff>
			<damping_coeff unit="LBS/FT/SEC">  2500 </damping_coeff>
			<max_steer unit="DEG">0</max_steer>
			<brake_group>LEFT</brake_group>
			<retractable>0</retractable>
		</contact>
		<contact type="BOGEY" name="RIGHT_MAIN">
			<location unit="M">
				<x> -0.949</x>
				<y> 1.646 </y>
				<z>-1.465</z>
			</location>
			<static_friction>  0.80 </static_friction>
			<dynamic_friction> 0.50 </dynamic_friction>
			<rolling_friction> 0.02 </rolling_friction>
			<spring_coeff unit="LBS/FT">       4800 </spring_coeff>
			<damping_coeff unit="LBS/FT/SEC">  2500 </damping_coeff>
			<max_steer unit="DEG">0</max_steer>
			<brake_group>RIGHT</brake_group>
			<retractable>0</retractable>
		</contact>
		<contact type="STRUCTURE" name="TAIL_SKID">
			<location unit="M">
				<x> 3.12752</x>
				<y> 0.0 </y>
				<z>-0.24184</z>
			</location>
			<static_friction>  1.00 </static_friction>
			<dynamic_friction> 1.00 </dynamic_friction>
			<spring_coeff unit="LBS/FT">       3600 </spring_coeff>
			<damping_coeff unit="LBS/FT/SEC">  2000 </damping_coeff>
		</contact>
		<contact type="STRUCTURE" name="LEFT_WING">
			<location unit="M">
				<x> -1 </x>
				<y> -5.677 </y>
				<z>-0.21 </z>
			</location>
			<static_friction>  1.00 </static_friction>
			<dynamic_friction> 1.00 </dynamic_friction>
			<spring_coeff unit="LBS/FT">       3600 </spring_coeff>
			<damping_coeff unit="LBS/FT/SEC">  2000 </damping_coeff>
		</contact>
		<contact type="STRUCTURE" name="RIGHT_WING">
			<location unit="M">
				<x> -1 </x>
				<y> 5.677 </y>
				<z>-0.21 </z>
			</location>
			<static_friction>  1.00 </static_friction>
			<dynamic_friction> 1.00 </dynamic_friction>
			<spring_coeff unit="LBS/FT">       3600 </spring_coeff>
			<damping_coeff unit="LBS/FT/SEC">  2000 </damping_coeff>
		</contact>
	</ground_reactions>
	<propulsion>
		<engine file="TSIO-550K">
			<location unit="M">
				<x>  -2.9 </x>
				<y>   0.00 </y>
				<z>   -0.09045 </z>
			</location>
			<orient unit="DEG">
				<pitch> 0.00 </pitch>
				<roll>  0.00 </roll>
				<yaw>   0.00 </yaw>
			</orient>
			<feed>2</feed>
			<thruster file="PHC-J3Y1F">
				<sense> 1 </sense>
				<location unit="M">
					<x>  -3.6 </x>
					<y>   0.00 </y>
					<z>   -0.09045 </z>
				</location>
				<orient unit="DEG">
					<pitch> 0.00 </pitch>
					<roll>  0.00 </roll>
					<yaw>   0.00 </yaw>
				</orient>
			</thruster>
		</engine>
		<!--one fuel tank in each wing, 47.25 gallons = 284.445 lbs -->
		<tank type="FUEL" number="0">
			<location unit="M">
				<x> -0.976 </x>
				<y>  -1.37 </y>
				<z> -0.5 </z>
			</location>
			<capacity unit="LBS"> 284.445 </capacity>
			<contents unit="LBS"> 133.23 </contents>
		</tank>
		<tank type="FUEL" number="1">
			<location unit="M">
				<x> -0.976 </x>
				<y>  1.37 </y>
				<z> -0.5 </z>
			</location>
			<capacity unit="LBS"> 284.445  </capacity>
			<contents unit="LBS"> 133.23 </contents>
		</tank>
		<!-- Collector Tank, located at the engine -->
		<tank type="FUEL" number="2">
			<location unit="M">
				<x> -2.8 </x>
				<y>  0.0 </y>
				<z> -0.1 </z>
			</location>
			<capacity unit="LBS"> 1 </capacity>
			<contents unit="LBS"> 0.6 </contents>
		</tank>
	</propulsion>
	<system file="sr22t-propeller"/>
	<!-- <system file="sr22t-propulsion"/> -->
	<system file="sr22t-fcs"/>
	<system file="sr22t-fuel"/>
	<system file="sr22t-pushback"/>
	<flight_control name="FCS: SR22T">
		<channel name="Pitch">
			<summer name="Pitch Trim Sum">
				<input>fcs/elevator-cmd-norm</input>
				<input>fcs/pitch-trim-cmd-norm</input>
				<clipto>
					<min> -1 </min>
					<max>  1 </max>
				</clipto>
			</summer>
			<aerosurface_scale name="Elevator Control">
				<input>fcs/pitch-trim-sum</input>
				<range>
					<min> -0.35 </min>
					<max>  0.35 </max>
				</range>
				<output>fcs/elevator-pos-rad</output>
			</aerosurface_scale>
			<aerosurface_scale name="elevator normalization">
				<input>fcs/elevator-pos-rad</input>
				<domain>
					<min> -0.35 </min>
					<max>  0.35 </max>
				</domain>
				<range>
					<min> -1 </min>
					<max>  1 </max>
				</range>
				<output>fcs/elevator-pos-norm</output>
			</aerosurface_scale>
		</channel>
		<channel name="Roll">
			<summer name="Roll Trim Sum">
				<input>fcs/aileron-cmd-norm</input>
				<input>fcs/roll-trim-cmd-norm</input>
				<clipto>
					<min> -1 </min>
					<max>  1 </max>
				</clipto>
			</summer>
			<aerosurface_scale name="Left Aileron Control">
				<input>fcs/roll-trim-sum</input>
				<range>
					<min> -0.35 </min>
					<max>  0.35 </max>
				</range>
				<output>fcs/left-aileron-pos-rad</output>
			</aerosurface_scale>
			<aerosurface_scale name="Right Aileron Control">
				<input>fcs/roll-trim-sum</input>
				<range>
					<min> -0.35 </min>
					<max>  0.35 </max>
				</range>
				<output>fcs/right-aileron-pos-rad</output>
			</aerosurface_scale>
			<aerosurface_scale name="left aileron normalization">
				<input>fcs/left-aileron-pos-rad</input>
				<domain>
					<min> -0.35 </min>
					<max>  0.35 </max>
				</domain>
				<range>
					<min> -1 </min>
					<max>  1 </max>
				</range>
				<output>fcs/left-aileron-pos-norm</output>
			</aerosurface_scale>
			<aerosurface_scale name="right aileron normalization">
				<input>fcs/right-aileron-pos-rad</input>
				<domain>
					<min> -0.35 </min>
					<max>  0.35 </max>
				</domain>
				<range>
					<min> -1 </min>
					<max>  1 </max>
				</range>
				<output>fcs/right-aileron-pos-norm</output>
			</aerosurface_scale>
		</channel>
		<property value="1">fcs/yaw-damper-enable</property>
		<channel name="Yaw">
			<summer name="Rudder Command Sum">
				<input>fcs/rudder-cmd-norm</input>
				<input>fcs/yaw-trim-cmd-norm</input>
				<clipto>
					<min> -1 </min>
					<max>  1 </max>
				</clipto>
			</summer>
			<scheduled_gain name="Yaw Damper Rate">
				<input>velocities/r-aero-rad_sec</input>
				<table>
					<independentVar lookup="row">velocities/ve-kts</independentVar>
					<tableData>
            30     0.00
            60     2.00
         </tableData>
				</table>
				<gain>fcs/yaw-damper-enable</gain>
			</scheduled_gain>
			<summer name="Rudder Sum">
				<input>fcs/rudder-command-sum</input>
				<input>fcs/yaw-damper-rate</input>
				<clipto>
					<min> -1.1 </min>
					<max>  1.1 </max>
				</clipto>
			</summer>
			<aerosurface_scale name="Rudder Control">
				<input>fcs/rudder-sum</input>
				<domain>
					<min> -1.1 </min>
					<max>  1.1 </max>
				</domain>
				<range>
					<min> -0.35 </min>
					<max>  0.35 </max>
				</range>
				<output>fcs/rudder-pos-rad</output>
			</aerosurface_scale>
			<aerosurface_scale name="rudder normalization">
				<input>fcs/rudder-pos-rad</input>
				<domain>
					<min> -0.35 </min>
					<max>  0.35 </max>
				</domain>
				<range>
					<min> -1 </min>
					<max>  1 </max>
				</range>
				<output>fcs/rudder-pos-norm</output>
			</aerosurface_scale>
		</channel>
		<channel name="Flaps">
			<kinematic name="Flaps Control">
				<input>fcs/flap-cmd-norm</input>
				<traverse>
					<setting>
						<position>  0 </position>
						<time>      0 </time>
					</setting>
					<setting>
						<position> 16 </position>
						<time>      4 </time>
					</setting>
					<setting>
						<position> 35.5 </position>
						<time>      3 </time>
					</setting>
				</traverse>
				<output>fcs/flap-pos-deg</output>
			</kinematic>
			<aerosurface_scale name="flap normalization">
				<input>fcs/flap-pos-deg</input>
				<domain>
					<min>  0 </min>
					<max> 35.5 </max>
				</domain>
				<range>
					<min> 0 </min>
					<max> 1 </max>
				</range>
				<output>fcs/flap-pos-norm</output>
			</aerosurface_scale>
		</channel>
	</flight_control>
	<aerodynamics>
		<function name="aero/qbar-total-psf">
			<sum>
				<property>aero/qbar-psf</property>
				<product>
					<value>0.5</value>
					<property>atmosphere/rho-slugs_ft3</property>
					<pow>
						<property>propulsion/engine[0]/prop-induced-velocity_fps</property>
						<value>2</value>
					</pow>
				</product>
			</sum>
		</function>
		<axis name="LIFT">
			<function name="aero/force/Lift_alpha">
				<description>Lift due to alpha</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<table>
						<independentVar lookup="row">aero/alpha-rad</independentVar>
						<tableData>
						-0.20 -0.750
						0.00  0.300
						0.23  1.200
						0.60  0.710
						</tableData>
					</table>
				</product>
			</function>
			<function name="aero/force/Lift_flap">
				<description>Delta Lift due to flaps</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>fcs/flap-pos-deg</property>
					<value> 0.01666 </value>
				</product>
			</function>
			<function name="aero/force/Lift_elevator">
				<description>Lift due to Elevator Deflection</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>fcs/elevator-pos-rad</property>
					<value>0.15</value>
				</product>
			</function>
		</axis>
		<axis name="DRAG">
			<function name="aero/force/Drag_basic">
				<description>Drag at zero lift</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<table>
						<independentVar lookup="row">aero/alpha-rad</independentVar>
						<tableData>
						-1.57    1.500
						-0.36    0.036
						0.00    0.028
						0.36    0.036
						1.57    1.500
						</tableData>
					</table>
					<value>1</value>
				</product>
			</function>
			<function name="aero/force/Drag_induced">
				<description>Induced drag</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>aero/cl-squared</property>
					<value>0.007</value>
				</product>
			</function>
			<function name="aero/force/Drag_mach">
				<description>Drag due to mach</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<table>
						<independentVar lookup="row">velocities/mach</independentVar>
						<tableData>
                0.00      0.000
                0.7      0.000
                1.10      0.023
                1.80      0.015
            </tableData>
					</table>
				</product>
			</function>
			<function name="aero/force/Drag_flap">
				<description>Drag due to flaps</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>fcs/flap-pos-deg</property>
					<value> 0.0020 </value>
				</product>
			</function>
			<function name="aero/force/Drag_beta">
				<description>Drag due to sideslip</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<table>
						<independentVar lookup="row">aero/beta-rad</independentVar>
						<tableData>
              -1.57    1.230
              -0.26    0.050
               0.00    0.000
               0.26    0.050
               1.57    1.230
            </tableData>
					</table>
				</product>
			</function>
			<function name="aero/force/Drag_elevator">
				<description>Drag due to Elevator Deflection</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<abs>
						<property>fcs/elevator-pos-norm</property>
					</abs>
					<value>0.01</value>
				</product>
			</function>
		</axis>
		<axis name="SIDE">
			<function name="aero/force/Side_beta">
				<description>Side force due to beta</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>aero/beta-rad</property>
					<value>-1</value>
				</product>
			</function>
		</axis>
		<axis name="ROLL">
			<function name="aero/moment/Roll_beta">
				<description>Roll moment due to beta</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>metrics/bw-ft</property>
					<property>aero/beta-rad</property>
					<value>-0.1</value>
				</product>
			</function>
			<function name="aero/moment/Roll_damp">
				<description>Roll moment due to roll rate</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>metrics/bw-ft</property>
					<property>aero/bi2vel</property>
					<property>velocities/p-aero-rad_sec</property>
					<value>-0.4</value>
				</product>
			</function>
			<function name="aero/moment/Roll_yaw">
				<description>Roll moment due to yaw rate</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>metrics/bw-ft</property>
					<property>aero/bi2vel</property>
					<property>velocities/r-aero-rad_sec</property>
					<value>0.15</value>
				</product>
			</function>
			<function name="aero/moment/Roll_aileron">
				<description>Roll moment due to aileron</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>metrics/bw-ft</property>
					<property>fcs/left-aileron-pos-rad</property>
					<value>0.1</value>
				</product>
			</function>
			<function name="aero/moment/Roll_rudder">
				<description>Roll moment due to rudder</description>
				<product>
					<property>aero/qbar-total-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>metrics/bw-ft</property>
					<property>fcs/rudder-pos-rad</property>
					<value>0.01</value>
				</product>
			</function>
		</axis>
		<axis name="PITCH">
			<function name="aero/moment/Pitch_alpha">
				<description>Pitch moment due to alpha</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>metrics/cbarw-ft</property>
					<property>aero/alpha-rad</property>
					<value>-0.8</value>
				</product>
			</function>
			<function name="aero/moment/Pitch_elevator">
				<description>Pitch moment due to elevator</description>
				<product>
					<property>aero/qbar-total-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>metrics/cbarw-ft</property>
					<property>fcs/elevator-pos-rad</property>
					<table>
						<independentVar lookup="row">velocities/mach</independentVar>
						<tableData>
              0.0     -1.100
              2.0     -0.275
            </tableData>
					</table>
				</product>
			</function>
			<function name="aero/moment/Pitch_damp">
				<description>Pitch moment due to pitch rate</description>
				<product>
					<property>aero/qbar-total-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>metrics/cbarw-ft</property>
					<property>aero/ci2vel</property>
					<property>velocities/q-aero-rad_sec</property>
					<value>-15</value>
				</product>
			</function>
			<function name="aero/moment/Pitch_alphadot">
				<description>Pitch moment due to alpha rate</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>metrics/cbarw-ft</property>
					<property>aero/ci2vel</property>
					<property>aero/alphadot-rad_sec</property>
					<value>-7</value>
				</product>
			</function>
		</axis>
		<axis name="YAW">
			<function name="aero/moment/Yaw_beta">
				<description>Yaw moment due to beta</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>metrics/bw-ft</property>
					<property>aero/beta-rad</property>
					<value>0.12</value>
				</product>
			</function>
			<function name="aero/moment/Yaw_damp">
				<description>Yaw moment due to yaw rate</description>
				<product>
					<property>aero/qbar-total-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>metrics/bw-ft</property>
					<property>aero/bi2vel</property>
					<property>velocities/r-aero-rad_sec</property>
					<value>-0.15</value>
				</product>
			</function>
			<function name="aero/moment/Yaw_rudder">
				<description>Yaw moment due to rudder</description>
				<product>
					<property>aero/qbar-total-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>metrics/bw-ft</property>
					<property>fcs/rudder-pos-rad</property>
					<value>-0.15</value>
				</product>
			</function>
			<function name="aero/moment/Yaw_aileron">
				<description>Adverse yaw</description>
				<product>
					<property>aero/qbar-psf</property>
					<property>metrics/Sw-sqft</property>
					<property>metrics/bw-ft</property>
					<property>fcs/left-aileron-pos-rad</property>
					<value>-0.01</value>
				</product>
			</function>
		</axis>
	</aerodynamics>
	<external_reactions>
		<force name="pushback" frame="BODY" unit="N">
			<location unit="M"> <!-- front gear -->
				<x> -3.0 </x>
				<y>   0.00 </y>
				<z> -1.36 </z>
			</location>
			<direction>
				<x>1</x>
				<y>0</y>
				<z>0</z>
			</direction>
		</force>
	</external_reactions>
</fdm_config>