Hi,
Stuart Buchanan schrieb am 11.11.2007 19:17:
Heiko Schulz wrote:
So much as I know, there are some clubs using a Pitts
for aerotowing.
Yes, I am sure I saw it myself.
I didn't know that - but know knowledge of glider towing is limited to the
small number of clubs around our airfield. Thanks for pointing it out. I'm glad
there is another use for the Pitts!
Maik - please go ahead and add aerotow if you have time/inclination. I've just
about used up my FlightGear dev time for the month ;)
Please find enclosed a diff. (I am not sure about the correct position
of the hitch) .
Maik
? pittss1c.diff
Index: pittss1c-set.xml
===================================================================
RCS file: /var/cvs/FlightGear-0.9/data/Aircraft/pittss1c/pittss1c-set.xml,v
retrieving revision 1.1
diff -u -p -r1.1 pittss1c-set.xml
--- pittss1c-set.xml 10 Nov 2007 17:18:47 -0000 1.1
+++ pittss1c-set.xml 11 Nov 2007 19:12:15 -0000
@@ -45,6 +45,14 @@ model, instrument panel, and external 3D
<help>
<title>Pitts S1C</title>
<line></line>
+ <key>
+ <name>o</name>
+ <desc>connect tow cable</desc>
+ </key>
+ <key>
+ <name>O</name>
+ <desc>disconnect tow cable</desc>
+ </key>
<line>Aerobatic Biplane, with 180hp Lycoming O-360</line>
<line></line>
<line>Stall: 57mph</line>
@@ -52,6 +60,30 @@ model, instrument panel, and external 3D
<line>Vne: 203</line>
<line>Rate of climb: 2650fpm</line>
</help>
+ <hitches>
+<!-- make sure some properties do exist, when the list for multiplayer
transfere is defined-->
+<!-- they need to be in the same value, as they are initilized in the FDM, to
get the same values after reset-->
+ <aerotow>
+ <tow>
+ <length type="float">60</length>
+ <elastic-constant type="float">10000</elastic-constant>
+ <weight-per-m-kg-m type="float">1</weight-per-m-kg-m>
+ <dist type="float">1</dist>
+ <connected-to-property-node type="bool"></connected-to-property-node>
+ <brake-force type="float">100000</brake-force>
+ <connected-to-ai-or-mp-callsign type
="string">*</connected-to-ai-or-mp-callsign>
+ <end-force-x type ="float">0</end-force-x>
+ <end-force-y type ="float">0</end-force-y>
+ <end-force-z type ="float">0</end-force-z>
+ </tow>
+ <speed-in-tow-direction type="float">0</speed-in-tow-direction>
+ <open type="bool">true</open>
+ <local-pos-x type="float">0</local-pos-x>
+ <local-pos-y type="float">0</local-pos-y>
+ <local-pos-z type="float">0</local-pos-z>
+ <is-slave type="bool">false</is-slave>
+ </aerotow>
+ </hitches>
</sim>
<yasim>
@@ -104,5 +136,27 @@ model, instrument panel, and external 3D
<pilot-gmin>1.0</pilot-gmin>
<pilot-gmax>1.0</pilot-gmax>
</accelerations>
+<input>
+ <keyboard>
+ <key n="79">
+ <name>O</name>
+ <desc>Open aerotow hook</desc>
+ <binding>
+ <command>property-assign</command>
+ <property>/sim/hitches/aerotow/open</property>
+ <value type="bool">true</value>
+ </binding>
+ </key>
+ <key n="111">
+ <name>o</name>
+ <desc>Lock aerotow hook</desc>
+ <binding>
+ <command>property-assign</command>
+ <property>/sim/hitches/aerotow/open</property>
+ <value type="bool">false</value>
+ </binding>
+ </key>
+ </keyboard>
+</input>
</PropertyList>
Index: pittss1c.xml
===================================================================
RCS file: /var/cvs/FlightGear-0.9/data/Aircraft/pittss1c/pittss1c.xml,v
retrieving revision 1.1
diff -u -p -r1.1 pittss1c.xml
--- pittss1c.xml 10 Nov 2007 17:18:47 -0000 1.1
+++ pittss1c.xml 11 Nov 2007 19:12:16 -0000
@@ -113,4 +113,8 @@ YASim aerodynamic model for a Pitts S1C
<!-- pilot -->
<weight x="-2.4" y="0" z="-0.0" mass-prop="/yasim/pitts/pilot-lb"/>
+ <hitch name="aerotow" x="-4.5" y="0" z="-0.3"
force-is-calculated-by-other="1">
+ <tow length="60" weight-per-meter="0.035" elastic-constant="9000"
break-force="10000" mp-auto-connect-period="1.0"/>
+ </hitch>
+
</airplane>
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