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Twisted wing and more limited elevator travel for a gentler stall.

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david 2003-02-18 17:57:49 +00:00
parent 03832c81d6
commit bcb30b0caa
1 changed files with 7 additions and 7 deletions
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14
Aircraft-yasim/j3cub.xml
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@ -32,15 +32,15 @@ since it is what the weight-and-balance site above uses.
<airplane mass="680">
<!-- Approach configuration -->
<approach speed="35" aoa="15">
<control-setting axis="/controls/throttle[0]" value="0.3"/>
<approach speed="20" aoa="14">
<control-setting axis="/controls/throttle[0]" value="0.0"/>
<control-setting axis="/controls/mixture[0]" value="1.0"/>
</approach>
<!-- Cruise configuration -->
<cruise speed="67" alt="0">
<cruise speed="67" alt="7000">
<control-setting axis="/controls/throttle[0]" value="1.0"/>
<control-setting axis="/controls/mixture[0]" value="1.0"/>
<control-setting axis="/controls/mixture[0]" value="0.7"/>
</cruise>
<!-- pilot's eyepoint -->
@ -58,9 +58,9 @@ since it is what the weight-and-balance site above uses.
Note that the J3 Cub has no flaps. With a stall speed of 25kt, who
needs them? From what I've read, the ailerons add lots of drag.
-->
<wing x="-0.80" y="0.42" z="0.0" taper="1.0"
<wing x="-0.80" y="0.42" z="0.0" taper="1.0" incidence="2" twist="-2"
length="4.87" chord="1.60" sweep="0" dihedral="5" camber="0.1">
<stall aoa="16" width="6" peak="1.5"/>
<stall aoa="17" width="2" peak="1.5"/>
<flap0 start=".31" end="0.85" lift="1.5" drag="1.4"/>
<control-input axis="/controls/aileron" control="FLAP0" split="true"/>
<control-input axis="/controls/aileron-trim" control="FLAP0" split="true"/>
@ -74,7 +74,7 @@ since it is what the weight-and-balance site above uses.
<hstab x="-4.87" y="0.05" z="-0.42" taper="0.5" effectiveness="1.24"
length="1.49" chord="1.13" sweep="0">
<stall aoa="16" width="4" peak="1.5"/>
<flap0 start="0" end="1" lift="1.7" drag="1.2"/>
<flap0 start="0" end="1" lift="1.45" drag="1.2"/>
<control-input axis="/controls/elevator" control="FLAP0"/>
<control-input axis="/controls/elevator-trim" control="FLAP0"/>
<control-output control="FLAP0" prop="/surface-positions/elevator-pos-norm"/>