Oops, I seemed to completeley have missed this one
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ehofman
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174
Aircraft-yasim/j22-yasim.xml
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174
Aircraft-yasim/j22-yasim.xml
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<!-- I took these data from the book "Sodobna letala in helikopterji"
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(Jelko Kacin, 1986). About the aerodynamics, it is mostly a guess
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work. I took a base model from Douglas A-4, and modified it for J-22.
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-->
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<!-- The empy aircraft mass is 5720 kg (12613 lbs), max fuel mass is about
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2950 kg (6505 lbs), max aircraft weight is 11300 kg (24917 lbs)
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accordingly to the sources
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-->
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<airplane mass="12613"> <!-- clean weight without fuel -->
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<!-- Approach configuration -->
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<approach speed="130" aoa="6.5">
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<control-setting axis="/controls/engines/engine[0]/throttle" value="0.15"/>
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<control-setting axis="/controls/engines/engine[1]/throttle" value="0.15"/>
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<control-setting axis="/controls/engines/engine[0]/afterburner" value="0"/>
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<control-setting axis="/controls/engines/engine[1]/afterburner" value="0"/>
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<control-setting axis="/controls/flight/flaps" value="1"/>
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<control-setting axis="/controls/gear/gear-down" value="1"/>
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</approach>
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<!-- Cruise configuration -->
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<cruise speed="540" alt="55000">
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<control-setting axis="/controls/engines/engine[0]/throttle" value="1"/>
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<control-setting axis="/controls/engines/engine[1]/throttle" value="1"/>
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<control-setting axis="/controls/engines/engine[0]/afterburner" value="0"/>
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<control-setting axis="/controls/engines/engine[1]/afterburner" value="0"/>
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<control-setting axis="/controls/flight/flaps" value="0.0"/>
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<control-setting axis="/controls/gear/gear-down" value="0"/>
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</cruise>
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<cockpit x="4.089" y="0.0" z="0.920"/>
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<!-- Fuselage -->
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<fuselage ax="7.718" ay="0.0" az="-0.300"
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bx="-5.518" by="0.0" bz="0.0"
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width="1" taper="0.5" midpoint="0.55"/>
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<wing x="0.548" y="0.740" z="0.349" taper="0.286" incidence="0.25" idrag="1.3"
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length="5.72" chord="4.25" sweep="37.44" dihedral="0" camber="0.01" twist="-2.37">
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<stall aoa="27" width="10" peak="1.5"/>
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<flap0 start="0.0" end="0.5" lift="1.2" drag="1.3"/>
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<flap1 start="0.5" end="1.0" lift="1.2" drag="1.3"/>
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<control-input axis="/controls/flight/flaps" control="FLAP0"/>
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<control-input axis="/controls/flight/aileron" control="FLAP1" split="true"/>
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<control-input axis="/controls/flight/aileron-trim" control="FLAP1" split="true"/>
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<control-input axis="/controls/flight/spoilers" control="FLAP0"/>
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<control-input axis="/controls/flight/spoilers" control="FLAP1" invert="true"/>
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<control-output control="FLAP0" prop="/surface-positions/left-flap-pos-norm"/>
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<control-output control="FLAP0" prop="/surface-positions/right-flap-pos-norm"/>
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<control-output control="FLAP1" side="left" prop="/surface-positions/left-aileron-pos-norm"/>
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<control-output control="FLAP1" side="right" prop="/surface-positions/right-aileron-pos-norm"/>
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<control-speed control="FLAP0" transition-time="2"/>
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<control-speed control="FLAP1" transition-time="0.5"/>
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</wing>
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<!-- Back wings -->
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<hstab x="-4.44" y="0.689" z="-0.176" length="2.02" chord="4"
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taper="0.11" sweep="0" dihedral="40" camber="0.01" effectiveness="1.85">
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<stall aoa="24" width="2" peak="1.3"/>
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<flap0 start="0" end="1" lift="1.25" drag="1.4"/>
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<control-input axis="/controls/flight/elevator" control="FLAP0"/>
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<control-input axis="/controls/flight/elevator-trim" control="FLAP0"/>
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<control-output control="FLAP0" prop="/surface-positions/elevator-pos-norm"/>
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<control-speed control="FLAP0" transition-time="0.8"/>
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</hstab>
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<!--
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<hstab x="-4.44" y="0.689" z="-0.176" taper="0.3" effectiveness="1.85"
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length="2.02" chord="2.02" sweep="0">
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<stall aoa="27" width="10" peak="1.5"/>
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<flap0 start="0" end="1" lift="1.5" drag="1.2"/>
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<control-input axis="/controls/flight/elevator" control="FLAP0"/>
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<control-input axis="/controls/flight/elevator-trim" control="FLAP0"/>
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<control-output control="FLAP0" prop="/surface-positions/elevator-pos-norm"/>
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<control-output control="FLAP0" side="left" prop="/surface-positions/left-elevator-pos-norm"/>
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<control-output control="FLAP0" side="right" prop="/surface-positions/right-elevator-pos-norm"/>
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<control-speed control="FLAP0" transition-time="0.5"/>
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</hstab>
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-->
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<!-- Vertical stabilizator -->
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<vstab x="4.0" y="0" z="0.57" taper="0.176"
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length="3.13" chord="2.7" sweep="53.7" effectiveness="1.5">
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<stall aoa="27" width="10" peak="1.5"/>
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<flap0 start="0" end="1" lift="1.15" drag="1.2"/>
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<control-input axis="/controls/flight/rudder" control="FLAP0"/>
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<control-input axis="/controls/flight/rudder-trim" control="FLAP0"/>
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<control-output control="FLAP0" prop="/surface-positions/rudder-pos-norm"
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min="1" max="-1"/>
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</vstab>
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<!-- Viper Mk-632-41 R with 17,5 kN (22,5 kN w/ afterburner) thrust -->
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<!-- I couldn't find a figure for the mass so it's guess work.
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-->
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<jet x="-3.689" y="0.321" z="-0.072" mass="1900" thrust="3934" afterburner="5057">
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<control-input axis="/controls/engines/engine[0]/throttle" control="THROTTLE"/>
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<control-input axis="/controls/engines/engine[0]/afterburner" control="REHEAT"/>
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</jet>
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<jet x="-3.689" y="-0.321" z="-0.072" mass="1900" thrust="3934" afterburner="5057">
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<control-input axis="/controls/engines/engine[1]/throttle" control="THROTTLE"/>
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<control-input axis="/controls/engines/engine[1]/afterburner" control="REHEAT"/>
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</jet>
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<!-- Nose -->
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<gear x="5.481" y="0.00" z="-1.880" compression="0.7" spring="2.0">
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<control-input axis="/controls/flight/rudder" control="STEER" square="true"/>
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<control-input axis="/controls/gear/gear-down" control="EXTEND"/>
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<control-output control="EXTEND" prop="/gear/gear[0]/position-norm"/>
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<control-output control="STEER" prop="/gear/gear[0]/steering-norm"/>
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<control-speed control="EXTEND" transition-time="5"/>
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</gear>
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<!-- Left main -->
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<gear x="0.219" y="1.150" z="-1.879" compression="0.6" spring="1.5">
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<control-input axis="/controls/gear/wheel[0]/brake" control="BRAKE"/>
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<control-input axis="/controls/gear/parking-brake" control="BRAKE"/>
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<control-input axis="/controls/gear/gear-down" control="EXTEND"/>
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<control-output control="EXTEND" prop="/gear/gear[1]/position-norm"/>
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<control-speed control="EXTEND" transition-time="5"/>
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</gear>
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<!-- Right main -->
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<gear x="0.219" y="-1.150" z="-1.879" compression="0.6" spring="1.5">
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<control-input axis="/controls/gear/wheel[1]/brake" control="BRAKE"/>
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<control-input axis="/controls/gear/parking-brake" control="BRAKE"/>
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<control-input axis="/controls/gear/gear-down" control="EXTEND"/>
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<control-output control="EXTEND" prop="/gear/gear[2]/position-norm"/>
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<control-speed control="EXTEND" transition-time="5"/>
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</gear>
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<!-- Canopy -->
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<gear x="4.1" y="0.0" z="1.05" retract-time="6" compression="0.6">
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<control-input axis="/controls/gear/parking-brake" control="EXTEND"/>
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<control-speed control="EXTEND" transition-time="6"/>
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<control-output control="EXTEND" prop="/canopy/position-norm"/>
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</gear>
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<!-- The capacities of seperated fuel tanks are a guess work-->
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<!-- Fuselage tank (behind the cockpit) -->
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<tank x="2.738" y="0" z="0.282" jet="true" capacity="1805"/>
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<!-- Left wing tank -->
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<tank x="-0.357" y="1.377" z="0.310" jet="true" capacity="2400"/>
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<!-- Right wing tank -->
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<tank x="-0.357" y="-1.377" z="0.310" jet="true" capacity="2400"/>
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<!-- J-22 has five pylons. One 1770 lbs center for a tank,
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and 4 1105 lbs pylons on the wings
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-->
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<weight x="2.201" y="0" z="-0.975" size="1"
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mass-prop="/yasim/j22/weights/center-lbs"/>
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<weight x="0.649" y="2.137" z="-0.001" size="1"
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mass-prop="/yasim/j22/weights/left-inboard-lbs"/>
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<weight x="0.649" y="-2.137" z="-0.001" size="1"
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mass-prop="/yasim/j22/weights/right-inboard-lbs"/>
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<weight x="-0.222" y="3.272" z="-0.072" size="1"
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mass-prop="/yasim/j22/weights/left-outboard-lbs"/>
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<weight x="-0.222" y="-3.272" z="-0.072" size="1"
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mass-prop="/yasim/j22/weights/right-outboard-lbs"/>
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<!-- Some ballast stuff to reach correctly placed center of gravity point -->
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<!-- Avionics -->
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<ballast x="5.413" y="0" z="-0.16" mass="2000"/>
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<!-- Cockpit and radar -->
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<ballast x="5.171" y="0" z="0.207" mass="2500"/>
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<!-- Pilot -->
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<ballast x="4.312" y="0" z="0" mass="200"/>
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</airplane>
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