<!-- 
RAH-66 Comanche

Reconnaissance / Attack Helicopter
Crew   2

Propulsion   2 Turboshaft Engines
Engine Model   LHTEC T800-LHT-800
Engine Power (each)   1166 kW   1563 shp

Speed   328 km/h   177 kts
  204 mph
Service Ceiling   4.572 m   15.000 ft
Range   485 km   262 NM
302 mi.

Empty Weight   4.218 kg   9.300 lbs
max. Takeoff Weight   5.597 kg   12.339 lbs

Rotor Blades (main/tail)   5/Fenestron   5/Fenestron
Main Rotor Diameter   11,90 m   39,0 ft
Tail Rotor Diameter   1,37 m   4,5 ft
Rotor Disc Area   111,2 msq   1197 ftsq
Length (Fuselage)   13,22 m   43,4 ft
Length   14,28 m   46,9 ft
Height   3,37 m   11,1 ft

First Flight   04.01.1996
Production Status   no mass production
Total Production   2

Data for (Version)   Sikorsky/Boeing RAH-66 Comanche
-->

<!-- pjedvaj FlightGear

Boeing-Sikorsky RAH-66 Commanche

    http://pjedvaj.eu5.org -->

<!-- Empty weight -->

<airplane mass="9300">

<!-- Performance -->

   <approach speed="60">
      <control-setting axis="/controls/engines/engine[0]/throttle" value="0.3"/>
   </approach>

   <cruise speed="165" alt="100">
      <control-setting axis="/controls/engines/engine[0]/throttle" value="1.0"/>
   </cruise>
   
<!-- Powerplant (2x LHTEC T800-LHT-801) -->
   
   <!-- Main rotor -->
   <rotor name="main" x="1.09" y="0.0" z="3.36" nx="0.1" ny="0" nz="1" fx="1" fy="0" fz="0" ccw="1" phi0="0"
        maxcollective="15.0" mincollective="0"
        mincyclicele="-15" maxcyclicele="15"
        mincyclicail="-10" maxcyclicail="10"
      
        diameter="11.9" numblades="5" weightperblade="500" relbladecenter="0.5"
        dynamic="1" rpm="420" rellenflaphinge="0.2" delta3="0.0"
        delta=".25"
        pitch-a="10"
        pitch-b="15"
        flapmin="-13.0"
        flapmax="13.0"
        flap0="-2.0"
        flap0factor="0"
        notorque="0"
        dragfactor="0.30"
        translift-ve="20"
        translift-maxfactor="1.3"
        ground-effect-constant="0.2"
        twist="-8.5"
        taper="1"
        chord="0.38"
        number-of-segments="8"
        number-of-parts="8"
        rel-len-where-incidence-is-measured="0.7"
        rel-len-blade-start="0.076"

        airfoil-lift-coefficient="3.55"
        airfoil-drag-coefficient0="0.0150"
        airfoil-drag-coefficient1="0.25"
        incidence-stall-zero-speed="15"
        incidence-stall-half-sonic-speed="14.5"
        lift-factor-stall="0.18"
        stall-change-over="5.5"
        drag-factor-stall="2.0"
        cyclic-factor="0.9"
        rotor-correction-factor="0.9">
        
         <control-input axis="/controls/flight/aileron-trim" control="CYCLICAIL" split="true"/>
    <control-input axis="/controls/flight/aileron" control="CYCLICAIL"
        src0="-1.0" src1="1.0"
        dst0="-1" dst1="1"/>
    <control-input axis="/controls/flight/elevator-trim" control="CYCLICELE"/>
    <control-input axis="/controls/flight/elevator" control="CYCLICELE"
        src0="-1.0" src1="1.0"
        dst0="-1.0" dst1="1.0"/>
    <control-input axis="/controls/engines/engine[0]/throttle" control="COLLECTIVE"
        src0="0.0" src1="1.0"
        dst0="1.0" dst1="-1.0"/>
    </rotor>
   
	<!-- Tail rotor -->
   <rotor name="tail" x="-5.47" y="0.09" z="1.53" nx="0.00" ny="-1" nz="-0.0" fx="1" fy="0" fz="0" ccw="1"
        maxcollective="25" mincollective="-27"
      
        diameter="1.37" numblades="8" weightperblade="3" relbladecenter="0.6"
        dynamic="1" rpm="3584" rellenflaphinge="0.0" delta3="0" translift="0" delta="0.5"
        pitch-a="10"
        pitch-b="15"
        airfoil-lift-coefficient="6.4"
        airfoil-drag-coefficient0="0.0035"
        airfoil-drag-coefficient1="0.10"
        notorque="0"
        taper="1"
        chord="0.205"
        number-of-segments="5"
        number-of-parts="4"
        rel-len-blade-start="0.4"
        incidence-stall-zero-speed="16"
        incidence-stall-half-sonic-speed="18"
        lift-factor-stall="0.18"
        stall-change-over="5.5"
        drag-factor-stall="8"
        rotor-correction-factor="0.98">
   
	<control-input axis="/controls/flight/rudder" control="COLLECTIVE"
      src0="-1.0" src1="1.0"
      dst0="1.0" dst1="-1.0"/>
    <control-input axis="/controls/flight/rudder-trim" control="COLLECTIVE"
      src0="-1.0" src1="1.0"
      dst0="1.0" dst1="-1.0"/>   
    <control-input axis="/orientation/yaw-rate-degps" control="COLLECTIVE"
      src0="-100.0" src1="100.0"
      dst0="-1.0" dst1="1.0"/> 
     
   </rotor>
   
   <!-- Rotor gear -->
   <rotorgear
        max-power-engine="3126"
        max-power-rotor-brake="100"
        rotorgear-friction="1.4"
        engine-prop-factor="0.005"
        engine-accel-limit="4"
        yasimdragfactor="30"
        yasimliftfactor="170">
        <control-input axis="/controls/engines/engine[0]/magnetos" control="ROTORGEARENGINEON"/>
        <control-input axis="/controls/rotor/brake" control="ROTORBRAKE"
                       src0="0.0" src1="1.0"
                       dst0="0.0" dst1="1.0"/>
   </rotorgear>
   
<!-- Airframe -->

   <!-- Cockpit -->
   <cockpit x="3.06" y="0" z="2.40"/>

   <!-- Fuselage  -->
   <fuselage ax="5.4" ay="0" az="1.7" bx="-4.5" by="0" bz="1.30"
           width="2" taper="0.54" midpoint="0.48"/>
           
   <!-- Vertical stabilizer -->
   <vstab x="-5.68" y="0" z="2.340" taper="0.6" length="1.50" chord="1.2" sweep="40" incidence="5">
      <stall aoa="16" width="4" peak="1.5"/>
   </vstab>
   
<!-- Landing gear -->
   
   <!-- Left gear -->
   <gear x="2.47" y="0.89" z="0.27" retract-time="6" compression="0.30" spring="3" damp="1" sfric="1.4" dfric="0.9" on-water="0" on-solid="1">
          <control-input axis="/controls/gear/brake-left" control="BRAKE"/>
          <control-input axis="/controls/gear/brake-parking" control="BRAKE" split="true"/>
        <control-input axis="/controls/gear/gear-down" control="EXTEND"/>
        <control-speed control="EXTEND" transition-time="7"/>
        <control-output control="EXTEND" prop="/gear/gear[0]/position-norm"/>
    </gear>
   
   <!-- Right gear -->
   <gear x="2.47" y="-0.89" z="0.27" retract-time="6" compression="0.30" spring="3" damp="1" sfric="1.4" dfric="0.9" on-water="0" on-solid="1">
          <control-input axis="/controls/gear/brake-right" control="BRAKE"/>
          <control-input axis="/controls/gear/brake-parking" control="BRAKE" split="true"/>
          <control-input axis="/controls/gear/gear-down" control="EXTEND"/>
        <control-speed control="EXTEND" transition-time="7"/>
        <control-output control="EXTEND" prop="/gear/gear[1]/position-norm"/>
    </gear>

   <!-- Tail gear -->
   <gear x="-4.51" y="0.00" z="0.16" retract-time="6" compression="0.3" spring="3" damp="1" sfric="1.6" dfric="0.9" on-water="0" on-solid="1"/>
        <control-input axis="/controls/gear/gear-down" control="EXTEND"/>
        <control-speed control="EXTEND" transition-time="7"/>
        <control-output control="EXTEND" prop="/gear/gear[2]/position-norm"/>
 
<!-- tail rotor guard -->
<gear x="-5.4670" y="0.00" z="0.6945" skid="1" compression="0.01" spring="0.1" sfric="1" dfric="1" ignored-by-solver="1" />
<gear x="-6.2272" y="0.00" z="0.8141" skid="1" compression="0.01" spring="0.1" sfric="1" dfric="1" ignored-by-solver="1" />
<gear x="-6.9191" y="0.00" z="1.2839" skid="1" compression="0.01" spring="0.1" sfric="1" dfric="1" ignored-by-solver="1" />
 
<!-- Fuel tank  x="0.6" to 1.09 -->
   <tank x="1.09" y="0.0" z="1.53" capacity="1918" />
   
<!--  
   CG: x:1.447, y:0.000, z:1.538
   Traget x:1.09 z:1.53
   with pilots and tank

   pilots and tank for testing
   <ballast x="0.6" y="0.0" z="1.53" mass="1918"/>
   
   <ballast x="3.63" y="0" z="1.83"  mass="180"/>
   <ballast x="2.31" y="0"  z="2.10" mass="180"/>
   
-->

<!-- Weights -->
   <ballast x="-2.09" y="+0.7" z="1.03" mass="800"/>
   <ballast x="-2.09" y="-0.7" z="1.03" mass="800"/>
   <ballast x="4.09" y="+0.7" z="1.03" mass="800"/>
   <ballast x="4.09" y="-0.7" z="1.03" mass="800"/>
   
   <ballast x="-2.09" y="+0.7" z="2.03" mass="800"/>
   <ballast x="-2.09" y="-0.7" z="2.03" mass="800"/>
   <ballast x="4.09" y="+0.7" z="2.03" mass="800"/>
   <ballast x="4.09" y="-0.7" z="2.03" mass="800"/>
   
   <ballast x="4.09" y="-0.7" z="1.53" mass="100"/>
   <ballast x="4.09" y="+0.7" z="1.53" mass="100"/>
   
   <!-- Pilot -->
   <weight x="3.63" y="0" z="1.83" mass-prop="/sim/weight[0]/weight-lb"/>

   <!-- Gunner -->
   <weight x="2.31" y="0"  z="2.10" mass-prop="/sim/weight[1]/weight-lb"/>
   
   <!-- Armament    -->
   <weight x="1.04" y="-1.56" z="1.33" size="0.18" mass-prop="sim/weight[2]/weight-lb"/>
   <weight x="1.04" y="1.56" z="1.33" size="0.18" mass-prop="sim/weight[3]/weight-lb"/>
   <weight x="1.04" y="-1.32" z="1.39" size="0.18" mass-prop="sim/weight[4]/weight-lb"/>
   <weight x="1.04" y="1.32" z="1.39" size="0.18" mass-prop="sim/weight[5]/weight-lb"/>
   <weight x="1.04" y="-1.09" z="1.33" size="0.18" mass-prop="sim/weight[6]/weight-lb"/>
   <weight x="1.04" y="1.09" z="1.33" size="0.18" mass-prop="sim/weight[7]/weight-lb"/>

</airplane>