<?xml version="1.0" encoding="UTF-8"?>

  <!-- Resolution - blended body flying wing : 2011 Curtis L. Olson -->

  <airplane mass="12">

  <approach speed="25" aoa="7.5" fuel="0.5" > 
    <control-setting axis="/controls/engines/engine[0]/throttle" value="0.0"/>
    <control-setting axis="/controls/gear/gear-down" value="1"/>
  </approach>

  <cruise speed="45" alt="1000" fuel="0.5"> 
    <control-setting axis="/controls/engines/engine[0]/throttle" value="0.75"/>
    <control-setting axis="/controls/gear/gear-down" value="1"/>
  </cruise>

  <cockpit x="0.0" y="0.0" z="0.0"/>

  <fuselage ax="0.0" ay="0.0" az="0.0" bx="-0.622" by="0.0" bz="0.0" width="0.26" taper="0.4" midpoint="0.415"/>

  <wing x="-0.304" y="0.0" z="0.0"
        chord="0.418"
        length="0.921"
        taper="0.614"
        sweep="17.84"
        dihedral="0.0"
	incidence="0.0"
	twist="-3.0"
        camber="0.0">
    <stall aoa="13" width="5" peak="1.5"/>
    <flap0 start="0.29" end="1.0" lift="1.15" drag="1.2"/> 
    <control-input axis="/controls/flight/aileron" control="FLAP0"
		   split="true"/>
    <control-input axis="/controls/flight/elevator" control="FLAP0"/>
    <control-input axis="/controls/flight/elevator-trim" control="FLAP0"/>
    <control-output control="FLAP0" side="left"
		    prop="/surface-positions/left-aileron-pos-norm"/>
    <control-output control="FLAP0" side="right"
		    prop="/surface-positions/right-aileron-pos-norm"/>
  </wing>

  <hstab x="-0.586" y="0.876" z="0.0"
	 chord="0.257"
	 length="0.307"
	 taper="0.791"
	 sweep="17.84"
         dihedral="0.0"
	 incidence="-3.0"
	 twist="-1.0"
         camber="0.0"
	 effectiveness="1.0"> 
    <stall aoa="13" width="5" peak="1.5"/>
    <flap0 start="0.0" end="0.826" lift="1.3" drag="1.2"/>
    <control-input axis="/controls/flight/aileron" control="FLAP0"
		   split="true"/>
    <control-input axis="/controls/flight/elevator" control="FLAP0"/>
    <control-input axis="/controls/flight/elevator-trim" control="FLAP0"/>
    <control-output control="FLAP0" side="left"
		    prop="/surface-positions/left-aileron-pos-norm"/>
    <control-output control="FLAP0" side="right"
		    prop="/surface-positions/right-aileron-pos-norm"/>
  </hstab>

  <!-- y=1.17 is at the wingtip, y=0.20 is at the wing root, x=-0.68 -->
  <vstab x="-0.68" y="0.20" z="0.0"
         chord="0.1"
         length="0.2"
         taper="0.75"
	 sweep="17.84"> 
    <stall aoa="14" width="2" peak="1.5"/>
    <flap0 start="0.1" end="0.95" lift="1.25" drag="1.25"/>
    <control-input axis="/controls/flight/rudder" control="FLAP0"
		   invert="true"/>
    <control-output control="FLAP0" prop="/surface-positions/rudder-pos-norm"/>
  </vstab>

  <!-- y=1.17 is at the wingtip, y=0.20 is at the wing root -->
  <vstab x="-0.68" y="-0.20" z="0.0"
         chord="0.1"
         length="0.2"
         taper="0.75"
	 sweep="17.84"> 
    <stall aoa="14" width="2" peak="1.5"/>
    <flap0 start="0.1" end="0.95" lift="1.25" drag="1.25"/>
    <control-input axis="/controls/flight/rudder" control="FLAP0"
		   invert="true"/>
    <control-output control="FLAP0" prop="/surface-positions/rudder-pos-norm"/>
  </vstab>

  <!-- simple thruster for testing -->
  <thruster thrust="2.5"
	    x="-0.622" y="0.0" z="0.0"
	    vx="1.0" vy="0.0" vz="0.0">
    <control-input axis="/controls/engines/engine[0]/throttle"
		   control="THROTTLE"/>
  </thruster>

  <!-- Landing Gear -->
  <!-- front -->
  <gear x="-0.1" y="0.0" z="-0.254"
        compression="0.05">
    <control-input axis="/controls/gear/gear-down" control="EXTEND"/>
    <control-input axis="/controls/flight/rudder" control="STEER"
		   square="true"/>
    <control-speed control="EXTEND" transition-time="7"/>
    <control-output control="EXTEND" prop="/gear/gear[0]/position-norm"/>
  </gear>

  <!-- rear left -->
  <gear x="-0.5" y="0.2" z="-0.244"
        compression="0.1">
    <control-input axis="/controls/gear/gear-down" control="EXTEND"/>
    <control-input axis="/controls/gear/brake-left" control="BRAKE"/>
    <control-input axis="/controls/gear/brake-parking" control="BRAKE"/>
    <control-speed control="EXTEND" transition-time="7"/>
    <control-output control="EXTEND" prop="/gear/gear[1]/position-norm"/>
  </gear>

  <!-- rear right -->
  <gear x="-0.5" y="-0.2" z="-0.244"
        compression="0.1">
    <control-input axis="/controls/gear/gear-down" control="EXTEND"/>
    <control-input axis="/controls/gear/brake-right" control="BRAKE"/>
    <control-input axis="/controls/gear/brake-parking" control="BRAKE"/>
    <control-speed control="EXTEND" transition-time="7"/>
    <control-output control="EXTEND" prop="/gear/gear[2]/position-norm"/>
  </gear>

  <!-- goal: CG at -0.374 -->
  <ballast x="0.0" y="0.0" z="0.0" mass="1.6"/>

  <hitch name="winch" x="0.0" y="0" z="-0.1">
    <!-- goal is to model a 30m hi-start bungee -->
    <tow length="400" weight-per-meter="0.05" elastic-constant="10000"  break-force="10000"/>
    <winch max-tow-length="400" min-tow-length="1" initial-tow-length="400" max-winch-speed="25" power="15" max-force="600" />
    <control-input axis="/controls/winch/place" control="PLACEWINCH"/>
  </hitch>

</airplane>