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Lots of configuration work from Dave Perry. Moving the C.G. forward

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makes ground handling more realistic -- the tail comes off earlier due
to stability effects, and the extra aerodynamic stability (and the
extended rudder arm) makes the aircraft more controllable and less
likely to ground loop.
This commit is contained in:
aross 2002-08-28 17:02:38 +00:00
parent 742fc098e4
commit 2a4d95ed15
1 changed files with 11 additions and 10 deletions
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21
Aircraft-yasim/dc3.xml
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@ -30,7 +30,7 @@
<wing x="-7.02" y="1.09" z="0.95" length="11.58" camber="0.1"
chord="4.77" taper=".286" sweep="19" dihedral="4">
<stall aoa="14" width="3" peak="1.5"/>
<stall aoa="14" width="6" peak="1.5"/>
<flap0 start="0.04" end="0.38" lift="1.5" drag="1.2"/>
<flap1 start="0.38" end="0.97" lift="1.2" drag="1.2"/>
<control-input axis="/controls/flaps" control="FLAP0"/>
@ -44,20 +44,20 @@
<control-speed control="FLAP0" transition-time="5"/>
</wing>
<hstab x="-18.12" y="0.41" z="0.27" length="3"
<hstab x="-18.12" y="0.41" z="0.27" length="3.5" effectiveness="2.00"
chord="3" taper=".545" sweep="15">
<stall aoa="14" width="3" peak="1.5"/>
<stall aoa="18" width="3" peak="1.5"/>
<flap0 start="0" end="1" lift="1.5" drag="1.2"/>
<control-input axis="/controls/elevator" control="FLAP0"/>
<control-input axis="/controls/elevator" control="FLAP0" effectiveness="1.25"/>
<control-input axis="/controls/elevator-trim" control="FLAP0"/>
<control-output control="FLAP0" prop="/surface-positions/elevator-pos-norm"/>
</hstab>
<vstab x="-18.12" y="0" z="0.95" length="2.72"
<vstab x="-18.12" y="0" z="0.95" length="2.72" effectiveness="1.25"
chord="3.95" taper=".462" sweep="2">
<stall aoa="14" width="3" peak="1.5"/>
<flap0 start="0" end="1" lift="1.5" drag="1.2"/>
<control-input axis="/controls/rudder" control="FLAP0" invert="true"/>
<control-input axis="/controls/rudder" control="FLAP0" effectiveness="1.25" invert="true"/>
<control-input axis="/controls/rudder-trim" control="FLAP0" invert="true"/>
<control-output control="FLAP0" prop="/surface-positions/rudder-pos-norm"/>
</vstab>
@ -104,8 +104,8 @@
<gear x="-6.08" y="2.52" z="-3.49" compression="1" retract-time="7">
<control-input axis="/controls/parking-brake" control="BRAKE"/>
<control-input axis="/controls/brakes[0]" control="BRAKE"/>
<control-input axis="/controls/rudder" control="BRAKE" square="1"
src0="-1" src1="1" dst0="0.5" dst1="-0.5"/>
<!-- <control-input axis="/controls/rudder" control="BRAKE" square="1"
src0="-1" src1="1" dst0="0.5" dst1="-0.5"/> -->
<control-input axis="/controls/gear-down" control="EXTEND"/>
<control-speed control="EXTEND" transition-time="7"/>
<control-output control="EXTEND" prop="/gear/gear[0]/position-norm"/>
@ -114,8 +114,8 @@
<gear x="-6.08" y="-2.52" z="-3.49" compression="1" retract-time="7">
<control-input axis="/controls/parking-brake" control="BRAKE"/>
<control-input axis="/controls/brakes[1]" control="BRAKE"/>
<control-input axis="/controls/rudder" control="BRAKE" square="1"
src0="-1" src1="1" dst0="-0.5" dst1="0.5"/>
<!-- <control-input axis="/controls/rudder" control="BRAKE" square="1"
src0="-1" src1="1" dst0="-0.5" dst1="0.5"/> -->
<control-input axis="/controls/gear-down" control="EXTEND"/>
<control-speed control="EXTEND" transition-time="7"/>
<control-output control="EXTEND" prop="/gear/gear[1]/position-norm"/>
@ -125,5 +125,6 @@
center section wing: 2 main including fuel system 210 gals. each
(+48) and 2 aux. 201 gals. each (+83.5)" -->
<tank x="-7.02" y="0" z="0.95" capacity="4932"/>
<ballast x="-18.0" y="0.0" z="0.6" mass="-2800"/> <!-- move CG forward -->
</airplane>