This file is indexed.

/usr/share/games/crrcsim/models/qc01.xml is in crrcsim-data 0.9.12-6.1build3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
<?xml version="1.0" ?>
<CRRCSim_airplane version="1" type="mcopter01">
  <categories>
    <category>Rotorcraft</category>
  </categories>
  <description>
    <en>
This is a first quadrocopter model for CRRCSim. Simple graphics.
      
Note that a quadrocopter's behaviour mainly depends on the 
control software running it, so expect this one to behave 
different from every quadrocopter around. However, it is helpful
to get a feeling of the visual/orientation problems you'll face 
when flying one.
      
Use the spoiler input to switch between attitude and rate control
when using the third configuration.
    </en>
  </description>
  <changelog>
    <change>
      <date>2009-07-06</date>
      <author>Jens W. Wulf</author>
      <en>Created it.</en>
    </change>
    <change>
      <date>2010-05-15</date>
      <author>J. Reucker</author>
      <en>Added max_force to springs</en>
    </change>
    <change>
      <date>2010-10-21</date>
      <author>Jens W. Wulf</author>
      <en>Added graphics jww05 (copter5.ac)</en>
    </change>
    <change>
      <date>2010-10-27</date>
      <author>Jens W. Wulf</author>
      <en>New configuration which allows to switch between rate and attitude control</en>
    </change>
  </changelog>
  <wheels version="1" units="0">
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="0" y="0" z="-0.164042" />
    </wheel>
    
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="-0.27142879" y="0.87838417" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="-0.1468962" y="0.96159418" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="-2.27654e-17" y="0.99081366" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="0.1468962" y="0.96159418" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="0.27142879" y="0.87838417" z="-0.12139108" />
    </wheel>
    
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="0" y="0.62007874" z="0.1312336" />
    </wheel>
    
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="0.27142879" y="-0.87838417" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="0.1468962" y="-0.96159418" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="4.55308e-17" y="-0.99081366" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="-0.1468962" y="-0.96159418" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="-0.27142879" y="-0.87838417" z="-0.12139108" />
    </wheel>
    
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="-2.845675e-18" y="-0.62007874" z="0.1312336" />
    </wheel>
    
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="-0.87838417" y="0.27142879" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="-0.87838417" y="-0.27142879" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="-0.96159418" y="-0.1468962" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="-0.99081366" y="-9.10616e-17" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="-0.96159418" y="0.1468962" z="-0.12139108" />
    </wheel>
    
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="-0.62007874" y="2.845675e-18" z="0.1312336" />
    </wheel>
    
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="0.87838417" y="0.27142879" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="0.96159418" y="0.1468962" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="0.99081366" y="2.27654e-17" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="0.96159418" y="-0.1468962" z="-0.12139108" />
    </wheel>
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="0.87838417" y="-0.27142879" z="-0.12139108" />
    </wheel>
    
    <wheel percent_brake="0.5" caster_angle_rad="0">
      <spring constant="7" damping="0.06" max_force="2.0" />
      <pos x="0.62007874" y="-2.845675e-18" z="0.1312336" />
    </wheel>
  </wheels>
    

  <!-- Ground effect parameters should be quite independent of the helicopter 
       parameters...shouldn't they? However, they can be adjusted to make it easier 
       for users to get them right and provide feedback. -->
  <GroundEffect>
    <dist  mul="1.5" />
  </GroundEffect>

  <Disturbance tau_filter="0.2" time="0.2" />
  
  <CG units="0" x="0" y="0" z="-0.0054680666" />
  
  <graphics version="1" model="qc01.ac">
    <descr_long>
      <en>cross config</en>
    </descr_long>
    <descr_short>
      <en>cross config</en>
    </descr_short>
  </graphics>

  <graphics version="1" model="qc01_x.ac">
    <descr_long>
      <en>x config: although it is possible to simulate the x config instead of only
          displaying it, this is not done here -- it would double this files size, mainly
          copying everything only to get the same behaviour. However, hard points/ground interaction
          is not perfect using this graphics config.
      </en>
    </descr_long>
    <descr_short>
      <en>x config</en>
    </descr_short>
  </graphics>
      
  <graphics version="1" model="copter3.ac">
    <descr_long>
      <en>jww03</en>
    </descr_long>
    <descr_short>
      <en>jww03</en>
    </descr_short>
  </graphics>

  <graphics version="1" model="copter5.ac">
    <descr_long>
      <en>jww05</en>
    </descr_long>
    <descr_short>
      <en>jww05</en>
    </descr_short>
  </graphics>

  <config version="1">
    <descr_long>
      <en>attitude controlled</en>
    </descr_long>
    <descr_short>
      <en>attitude controlled</en>
    </descr_short>
    <mass_inertia version="1" units="1" Mass="0.40" I_xx="0.0034965875"
      I_yy="0.0034965875" I_zz="0.0068260583" I_xz="1.3235659e-20" />
    <sound version="1">
      <sample filename="fan.wav" type="1" pitchfactor="0.03" maxvolume="1" />
    </sound>
    <aero version="1" >
      <yaw   dist="0.00" damp1="0.00341" />
      <roll  dist="0.00" damp1="0.0009" />
      <speed damp="0.006" />
      <props> <!-- positions relative to center of gravity! -->
        <prop x= "0.185" y= "0"     dir="-1" />
        <prop x="-0.185" y= "0"     dir="-1" />
        <prop x= "0"     y= "0.185" />
        <prop x= "0"     y="-0.185" />
      </props>        
    </aero>
    <controllers>
      <ScaleThrottle off="0.06" min="0.178" mul="0.54" />
      <MCopter01>
        <roll  scale="1.8"   kp="7"    kd="0.246" />
        <pitch scale="-1.8"  kp="7"    kd="0.246" />
        <yaw   scale="-9.93" kp="0.352" ki="0.835" />
      </MCopter01>
    </controllers>
    <power>
      <battery C="0.375" U_0="12" U_off="0" R_I="10E-3" throttle_min="0">
        <U_0rel>
          1.00;
          1.00;
        </U_0rel>
        <shaft J="0" brake="0">
          <propeller D="0.235" H="0.1644" J="0" n_fold="-1" />
          <engine k_M="0.008536" R_I="0.3712" J_M="5.0E-6" I_0="0" rate_max="999999999"  log="0" />
        </shaft>
      </battery>
    </power>
  </config>
    
  <config version="1">
    <descr_long>
      <en>rate controlled</en>
    </descr_long>
    <descr_short>
      <en>rate controlled</en>
    </descr_short>
    <mass_inertia version="1" units="1" Mass="0.4" I_xx="0.0034965875"
      I_yy="0.0034965875" I_zz="0.0068260583" I_xz="1.3235659e-20" />
    <sound version="1">
      <sample filename="fan.wav" type="1" pitchfactor="0.03" maxvolume="1" />
    </sound>
    <aero version="1" >
      <yaw   dist="0.00" damp1="0.00341" />
      <roll  dist="0.00" damp1="0.0009" />
      <speed damp="0.006" />
      <props> <!-- positions relative to center of gravity! -->
        <prop x= "0.185" y= "0"     dir="-1" />
        <prop x="-0.185" y= "0"     dir="-1" />
        <prop x= "0"     y= "0.185" />
        <prop x= "0"     y="-0.185" />
      </props>        
    </aero>
    <controllers>
      <ScaleThrottle off="0.06" min="0.178" mul="0.54" />
      <LimitFlipThrottle max90="0.618" max180="0.3" />
      <Omega>
        <scale_roll_pitch a="3.8544" b="249.69" exp="6" />
        <roll  scale= "1" kp="0.246" ki="0.835" kd="0.0015" />
        <!-- todo: kd müsste eigentlich 0.0053 sein. 
                   Mit damp1=0.0009 geht 0.0025, 
                   für 0.0053 braucht man damp1=0.5, was ich aber
                   definitiv nicht gemessen habe. -->
        <pitch scale= "-1" kp="0.246" ki="0.835" kd="0.0015" />
        <yaw   scale="-9.93" kp="0.352" ki="0.835" />
      </Omega>
    </controllers>
    <power>
      <battery C="0.375" U_0="12" U_off="0" R_I="10E-3" throttle_min="0">
        <U_0rel>
          1.00;
          1.00;
        </U_0rel>
        <shaft J="0" brake="0">
          <propeller D="0.235" H="0.1644" J="0" n_fold="-1" />
          <engine k_M="0.008536" R_I="0.3712" J_M="5.0E-6" I_0="0" rate_max="999999999"  log="0" />
        </shaft>
      </battery>
    </power>
  </config>
    
  <config version="1">
    <descr_long>
      <en>attitude or rate controlled (use spoiler channel)</en>
    </descr_long>
    <descr_short>
      <en>attitude or rate controlled</en>
    </descr_short>
    <mass_inertia version="1" units="1" Mass="0.40" I_xx="0.0034965875"
      I_yy="0.0034965875" I_zz="0.0068260583" I_xz="1.3235659e-20" />
    <sound version="1">
      <sample filename="fan.wav" type="1" pitchfactor="0.03" maxvolume="1" />
    </sound>
    <aero version="1" >
      <yaw   dist="0.00" damp1="0.00341" />
      <roll  dist="0.00" damp1="0.0009" />
      <speed damp="0.006" />
      <props> <!-- positions relative to center of gravity! -->
        <prop x= "0.185" y= "0"     dir="-1" />
        <prop x="-0.185" y= "0"     dir="-1" />
        <prop x= "0"     y= "0.185" />
        <prop x= "0"     y="-0.185" />
      </props>        
    </aero>
    <controllers>
      <ScaleThrottle off="0.06" min="0.178" mul="0.54" />
      <MCopter01>
        <roll  scale="1.8"   kp="7"    kd="0.246" rate_max="3.878" />
        <pitch scale="-1.8"  kp="7"    kd="0.246" rate_max="3.878" />
        <yaw   scale="-9.93" kp="0.352" ki="0.835" />
        <Omega switch_channel="spoiler">
          <scale_roll_pitch a="3.8544" b="249.69" exp="6" />
          <roll  scale= "1" kp="0.246" ki="0.835" kd="0.0015" />
          <pitch scale="-1" kp="0.246" ki="0.835" kd="0.0015" />
        </Omega>
      </MCopter01>
    </controllers>
    <power>
      <battery C="0.375" U_0="12" U_off="0" R_I="10E-3" throttle_min="0">
        <U_0rel>
          1.00;
          1.00;
        </U_0rel>
        <shaft J="0" brake="0">
          <propeller D="0.235" H="0.1644" J="0" n_fold="-1" />
          <engine k_M="0.008536" R_I="0.3712" J_M="5.0E-6" I_0="0" rate_max="999999999"  log="0" />
        </shaft>
      </battery>
    </power>
  </config>
    
  <launch>
    <preset name_en="heli default (ground)" altitude="0" velocity_rel="0" angle="0" sal="0" rel_to_player="1" rel_front="5" rel_right="0" />
  </launch>
  
</CRRCSim_airplane>