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B-1B-yasim.xml
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B-1B-yasim.xml
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<!-- B-1B lancer yasim config
B-1B with full fuel load, 20000lb weapon load: takeoff weight approx. 400000lb
typical: 420000 including up to 60000lb weapon load (internal) (max. 477000lb)
-->
<!-- typical 192000lb but swing wing weights are added separately in the weight section -->
<airplane mass="172000">
<!-- Approach configuration -->
<approach speed="160" aoa="3.0" fuel="0.30">
<control-setting axis="/controls/engines/engine[0]/throttle-lever" value="0.25"/>
<control-setting axis="/controls/engines/engine[1]/throttle-lever" value="0.25"/>
<control-setting axis="/controls/engines/engine[2]/throttle-lever" value="0.25"/>
<control-setting axis="/controls/engines/engine[3]/throttle-lever" value="0.25"/>
<control-setting axis="/controls/engines/engine[0]/afterburner" value="0.0"/>
<control-setting axis="/controls/engines/engine[1]/afterburner" value="0.0"/>
<control-setting axis="/controls/engines/engine[2]/afterburner" value="0.0"/>
<control-setting axis="/controls/engines/engine[3]/afterburner" value="0.0"/>
<control-setting axis="/controls/flight/flaps" value="1.0"/>
<control-setting axis="/controls/flight/spoilers" value="0.0"/>
<control-setting axis="/controls/gear/gear-down" value="1"/>
<control-setting axis="/controls/flight/wing-sweep" value="1.0"/>
</approach>
<!-- Cruise configuration -->
<!-- I found the following performance figures
1000 mph (869 kt) @ 36000 ft
647 mph (562 kt) cruise speed
750 mph (652 kt) @ sea level
Rotate and Takeoff Speeds: 210 Gross - 119 Rotate kts / 134 kts Takeoff
390 Gross - 168 kts Rotate / 183 kts Takeoff
Landing Speeds: 210 Gross - 145 kts
380 Gross - 195 kts
-->
<cruise speed="612" alt="34000" fuel="0.6">
<control-setting axis="/controls/engines/engine[0]/throttle-lever" value="0.7"/>
<control-setting axis="/controls/engines/engine[1]/throttle-lever" value="0.7"/>
<control-setting axis="/controls/engines/engine[2]/throttle-lever" value="0.7"/>
<control-setting axis="/controls/engines/engine[3]/throttle-lever" value="0.7"/>
<control-setting axis="/controls/engines/engine[0]/afterburner" value="0.0"/>
<control-setting axis="/controls/engines/engine[1]/afterburner" value="0.0"/>
<control-setting axis="/controls/engines/engine[2]/afterburner" value="0.0"/>
<control-setting axis="/controls/engines/engine[3]/afterburner" value="0.0"/>
<control-setting axis="/controls/flight/flaps" value="0"/>
<control-setting axis="/controls/flight/spoilers" value="0.0"/>
<control-setting axis="/controls/gear/gear-down" value="0.0"/>
<control-setting axis="/controls/flight/wing-sweep" value="0.0"/>
</cruise>
<cockpit x="-6.3" y="0.0" z="1.5"/>
<!-- the 5 fuselages below are used for body/blendwing/engines-->
<!-- fuselage(bow - fus parts - tail end) and cockpit -->
<fuselage ax="0" ay="0" az="-0.30" bx="-2.00" by="0" bz="-0.25"
width="1.4" taper="0.05" midpoint="1.00"/>
<fuselage ax="-2.0" ay="0" az="-0.25" bx="-42.50" by="0" bz="-0.25"
width="2.8" taper="0.48" midpoint="0.60"/>
<fuselage ax="-42.5" ay="0" az="-0.25" bx="-44.43" by="0" bz="-0.35"
width="1.4" taper="0.28" midpoint="0.00"/>
<fuselage ax="-2.5" ay="0" az="-0.00" bx="-17.50" by="0" bz="0.3"
width="2.6" taper="0.28" midpoint="0.32"/>
<!-- blendwing -->
<fuselage ax="-15" ay="1.9" az="-0.5" bx="-33.00" by="1.8" bz="-0.5"
width="1.4" taper="0.17" midpoint="0.60"/>
<fuselage ax="-15" ay="-1.9" az="-0.5" bx="-33.00" by="-1.8" bz="-0.5"
width="1.4" taper="0.17" midpoint="0.60"/>
<!-- engines -->
<fuselage ax="-24.5" ay="4.25" az="-1.85" bx="-34.0" by="4.25" bz="-1.95"
width="1.2" taper="0.45" midpoint="0.50"/>
<fuselage ax="-24.5" ay="3.02" az="-1.85" bx="-34.0" by="3.02" bz="-1.95"
width="1.2" taper="0.45" midpoint="0.50"/>
<fuselage ax="-24.5" ay="-4.25" az="-1.85" bx="-34.0" by="-4.25" bz="-1.95"
width="1.2" taper="0.45" midpoint="0.50"/>
<fuselage ax="-24.5" ay="-3.02" az="-1.85" bx="-34.0" by="-3.02" bz="-1.95"
width="1.2" taper="0.45" midpoint="0.50"/>
<wing x="-26.2" y="5.0" z="-1.1" taper="0.25" incidence="0" twist="-2"
length="13.00" chord="9.16" sweep="53.0" dihedral="0.0">
<stall aoa="12.0" width="4" peak="1.4"/>
<flap0 start="0.5" end="0.90" lift="0.62" drag="1.8"/><!-- aileron/spoiler-->
<flap1 start="0.1" end="0.5" lift="1.0" drag="15.0"/><!-- speedbrake/spoiler-->
<control-input axis="/controls/flight/aileron" control="FLAP0" split="true" invert="true"/>
<control-input axis="/controls/flight/spoilers" control="FLAP1"/>
<control-output control="FLAP1" prop="/surface-positions/right-spoiler-pos-norm"/>
<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"/>
<!--<control-output control="FLAP1" side="left" prop="/surface-positions/rudder-pos-norm"/>
<control-output control="FLAP1" side="right" prop="/surface-positions/rudder-pos-norm"/>
<control-output control="FLAP0" side="left" prop="/surface-positions/left-aileron-pos-norm"/>-->
<!-- <control-output control="SPOILER" side="left" prop="/surface-positions/right-aileron-pos-norm"/>
<control-output control="SPOILER" side="right" prop="/surface-positions/right-spoiler-pos-norm"/>-->
<control-speed control="FLAP0" transition-time="0.1"/>
<control-speed control="FLAP1" transition-time="1.5"/>
</wing>
<!-- blended wing body -->
<mstab x="-24.0" y="2.4" z="-1.1" taper="0.60" incidence="0.1"
length="2.90" chord="12.43" sweep="24.0" dihedral="-1.0" effectiveness="0.75">
<stall aoa="10.0" width="5" peak="1.5"/>
<flap0 start="0.0" end="0.5" lift="1.60" drag="1.68"/><!-- flaps -->
<flap1 start="0.5" end="1.0" lift="1.45" drag="1.52"/><!-- wingsweep 15/25/45/55/67 -->
<spoiler start="0.4" end="0.8" lift="1.0" drag="11.0"/><!-- speedbrake/spoiler -->
<control-input axis="/controls/flight/wing-sweep" control="FLAP1"/>
<control-input axis="/controls/flight/flaps" control="FLAP0"/>
<control-input axis="/controls/flight/spoilers" control="SPOILER"/>
<control-output control="FLAP1" prop="/surface-positions/wing-sweep-pos-norm"/>
<control-speed control="FLAP1" transition-time="12"/>
<control-output control="FLAP0" prop="/surface-positions/flap-pos-norm"/>
<control-speed control="FLAP0" transition-time="6"/>
</mstab>
<!-- Elevator -->
<hstab x="-39.45" y="0.3" z="2.27" taper="0.30" incidence="0"
length="8.14" chord="5.1" sweep="33.0" dihedral="0.0">
<stall aoa="20.0" width="5" peak="1.5"/>
<flap0 start="0.0" end="1" lift="1.40" drag="1.40"/>
<control-input axis="/controls/flight/elevator" control="FLAP0"/>
<control-input axis="/controls/flight/elevator-trim" control="FLAP0"/>
<control-input axis="/controls/flight/elevon" control="FLAP0" split="true"/>
<control-output control="FLAP0" side="left" prop="/surface-positions/left-elevator-pos-norm"/>
<control-output control="FLAP0" side="right" prop="/surface-positions/right-elevator-pos-norm"/>
<control-speed control="FLAP0" transition-time="0.7"/>
</hstab>
<vstab x="-38.0" y="0" z="0.95" taper="0.30" effectiveness="1.0"
length="6.6" chord="5.7" sweep="35.0">
<stall aoa="25.0" width="5" peak="1.5"/>
<flap0 start="0.0" end="1.0" lift="1.15" drag="1.15"/>
<control-input axis="/controls/flight/rudder" control="FLAP0" invert="true"/>
<control-output control="FLAP0" prop="/surface-positions/rudder-pos-norm"/>
<control-speed control="FLAP0" transition-time="1.0"/>
</vstab>
<!-- fwd canard wings -->
<mstab x="-5.0" y="1.4" z="-0.5" taper="0.2" incidence="0"
length="0.9" chord="1.3" sweep="45.0" dihedral="-30.0">
<stall aoa="15.0" width="4" peak="1.5"/>
<flap0 start="0.0" end="1.0" lift="1.15" drag="1.15"/>
<control-input axis="/controls/flight/elevator" control="FLAP0"/>
<control-output control="FLAP0" prop="/surface-positions/elevator-pos-norm"/>
<control-speed control="FLAP0" transition-time="0.5"/>
</mstab>
<!-- engines are rated 14600lb or 17390lb military thrust each (4x) and 30780 with afterburner
colported tsfc 0.562 dry and 2.46 with afterburner, but dry tsfc looks suspicious -->
<!-- left wing engines original -->
<jet x="-30.3" y="4.2" z="-1.9" mass="4400" tsfc="0.6" thrust="17390" afterburner="30780" epr="4.6">
<actionpt x="-34.3" y="4.2" z="-1.9"/>
<control-input axis="/controls/engines/engine[0]/throttle-lever" control="THROTTLE"/>
<control-input axis="/controls/engines/engine[0]/afterburner" control="REHEAT"/>
</jet>
<jet x="-30.3" y="3.2" z="-1.9" mass="4400" tsfc="0.6" thrust="17390" afterburner="30780" epr="4.6">
<actionpt x="-34.3" y="3.2" z="-1.9"/>
<control-input axis="/controls/engines/engine[1]/throttle-lever" control="THROTTLE"/>
<control-input axis="/controls/engines/engine[1]/afterburner" control="REHEAT"/>
</jet>
<!-- right wing engines -->
<jet x="-30.3" y="-3.2" z="-1.9" mass="4400" tsfc="0.6" thrust="17390" afterburner="30780" epr="4.6">
<actionpt x="-34.3" y="-3.2" z="-1.9"/>
<control-input axis="/controls/engines/engine[2]/throttle-lever" control="THROTTLE"/>
<control-input axis="/controls/engines/engine[2]/afterburner" control="REHEAT"/>
</jet>
<jet x="-30.3" y="-4.2" z="-1.9" mass="4400" tsfc="0.6" thrust="17390" afterburner="30780" epr="4.6">
<actionpt x="-34.3" y="-4.2" z="-1.9"/>
<control-input axis="/controls/engines/engine[3]/throttle-lever" control="THROTTLE"/>
<control-input axis="/controls/engines/engine[3]/afterburner" control="REHEAT"/>
</jet>
<!-- pushback position and force -->
<thruster x="-9.246" y="0.00" z="-3.7" vx="1" vy="0" vz="0" thrust="20000">
<control-input axis="/sim/model/pushback/target-speed-fps" control="THROTTLE" src0="-1" src1="1" dst0="-1" dst1="1"/>
</thruster>
<!-- Landing Gear -->
<!-- front -->
<gear x="-9.01" y="0.0" z="-4.37" retract-time="12" compression="0.85" spring="1.5">
<control-input axis="/controls/flight/rudder" control="STEER" square="true"/>
<control-input axis="/controls/gear/gear-down" control="EXTEND"/>
<!-- <control-input axis="/controls/gear/brake-left" control="BRAKE"/>
<control-input axis="/controls/gear/brake-right" control="BRAKE"/>
<control-input axis="/controls/gear/brake-parking" control="BRAKE"/>-->
<control-speed control="EXTEND" transition-time="12"/>
<control-speed control="BRAKE" transition-time="0.5"/>
<control-output control="EXTEND" prop="/gear/gear[0]/position-norm"/>
</gear>
<!-- rear left front 27-->
<gear x="-25.15" y="2.4" z="-4.30" retract-time="12" compression="0.8" spring="1.5">
<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="12"/>
<control-speed control="BRAKE" transition-time="0.5"/>
<control-output control="EXTEND" prop="/gear/gear[1]/position-norm"/>
</gear>
<!-- rear left aft 27.2-->
<gear x="-26.35" y="2.4" z="-4.40" retract-time="12" compression="1.4" spring="0.9">
<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="12"/>
<control-speed control="BRAKE" transition-time="0.5"/>
<control-output control="EXTEND" prop="/gear/gear[2]/position-norm"/>
</gear>
<!-- rear right front 27-->
<gear x="-25.15" y="-2.4" z="-4.30" retract-time="12" compression="0.8" spring="1.5">
<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="12"/>
<control-speed control="BRAKE" transition-time="0.5"/>
<control-output control="EXTEND" prop="/gear/gear[3]/position-norm"/>
</gear>
<!-- rear right aft 27.2-->
<gear x="-26.35" y="-2.4" z="-4.40" retract-time="12" compression="1.4" spring="0.9">
<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="12"/>
<control-speed control="BRAKE" transition-time="0.5"/>
<control-output control="EXTEND" prop="/gear/gear[4]/position-norm"/>
</gear>
<!-- 8 fuel tanks with total 210000lb capacity (190000lb used) -->
<!-- wings tanks left and right-->
<tank x="-26.2" y="8.0" z="-0.5" capacity="30000"/>
<tank x="-26.2" y="-8.0" z="-0.5" capacity="30000"/>
<!-- tanks 1/2/3/4-->
<tank x="-12.0" y="0.0" z="0" capacity="30000"/>
<tank x="-18.5" y="0.0" z="0" capacity="40000"/>
<tank x="-27.0" y="0.0" z="0.7" capacity="20000"/>
<tank x="-34.0" y="0.0" z="0" capacity="50000"/>
<!-- 2 collector fuel tanks with total 10000 lb each -->
<tank x="-23.0" y="3.0" z="-0.5" capacity="10000"/>
<tank x="-23.0" y="-3.0" z="-0.5" capacity="10000"/>
<!-- ballast used to trim the aircraft -->
<ballast x="-44.0" y="0" z="0" mass="-15000"/>
<!-- cockpit and instruments-->
<ballast x="-6.0" y="0" z="-0.2" mass="12000"/>
<ballast x="-8.5" y="0" z="0.3" mass="12000"/>
<!-- weight removed from wing area -->
<ballast x="-31.0" y="0" z="-0.5" mass="-15000"/>
<!-- weight added to blend wing area/wing carry through unit -->
<ballast x="-24.0" y="0" z="-0.5" mass="10000"/>
<!-- move empty wing weight according to wingsweep -->
<weight x="-26.60" y="0.00" z="-0.50" size="0.0"
mass-prop="sim/weight[0]/weight-lb"/>
<weight x="-31.00" y="0.00" z="-0.50" size="0.0"
mass-prop="sim/weight[1]/weight-lb"/>
<!-- adjust wing fuel according to wingsweep -->
<weight x="-26.20" y="0.00" z="-0.50" size="0.0"
mass-prop="sim/weight[2]/weight-lb"/>
<weight x="-29.50" y="0.00" z="-0.50" size="0.0"
mass-prop="sim/weight[3]/weight-lb"/>
<!-- payload option added for bays fwd/intmd/aft -->
<weight x="-15.30" y="0.00" z="0.00" size="0.0"
mass-prop="sim/weight[4]/weight-lb"/>
<weight x="-20.00" y="0.00" z="0.00" size="0.0"
mass-prop="sim/weight[5]/weight-lb"/>
<weight x="-35.20" y="0.00" z="0.00" size="0.0"
mass-prop="sim/weight[6]/weight-lb"/>
</airplane>