<?xml version="1.0" encoding="iso-8859-1" ?>
<CRRCSim_airplane version="2">
  <name>
    <en>Supra</en>
  </name>
  <categories>
    <category>Gliders</category>
    <category>F3J</category>
  </categories>
  <description>
    <en>
Supra by Mark Drela.
The Supra is a light-weight (48 oz.) 3.4 m glider
designed for F3J/TD competitions.
See http://www.charlesriverrc.org/articles/supra/supra.htm
for more details.

This model makes use of the spoiler input.
      
AVL input files created by Mark Drela.
Aerodynamic parameters calculated by Paul Jacobson.
3D model and XML file created by Jan Reucker.

Revised by Bob Parks and Mark Drela
    </en>
  </description>
  <changelog>
    <change>
      <date>2006-06-02</date>
      <author>Jan Reucker</author>
      <en>File created.</en>
    </change>
    <change>
      <date>2006-06-08</date>
      <author>Jan Reucker</author>
      <en>Corrected location of the hardpoints.</en>
    </change>
    <change>
      <date>2006-11-05</date>
      <author>Jan Reucker</author>
      <en>Reversed rudder travel direction.</en>
    </change>
     <change>
      <date>2007-03-14</date>
      <author>Bob Parks and Mark Drela</author>
      <en>Several tweaks to aero parameters to make handling more realistic.
      The CG_arm was reduced from .25 to .1, the CL_drop from .5 to .1 to give more realistic stall
      The Cn-dr was changed from -0.027530 to -0.045530 to match Mark's AVL results  </en>
    </change>
    <change>
      <date>2009-02-25</date>
      <author>Jens W. Wulf</author>
      <en>Added launch default</en>
    </change>
     <change>
      <date>2010-05-15</date>
      <author>J. Reucker</author>
      <en>Added max_force to springs</en>
    </change>
     <change>
      <date>2011-04-25</date>
      <author>J. Reucker</author>
      <en>Added spoiler settings.</en>
    </change>
</changelog>
  <aero version="1" units="0">
     <ref chord="0.633" span="11.15" area="7.181" speed="26.316901" />
     <misc Alpha_0="0.0238011" eta_loc="0.15" CG_arm="0.1"  
           span_eff="0.95" />
     <m Cm_0="0" Cm_a="-0.583383" Cm_q="-16.861408" Cm_de="-0.517913" />
     <lift CL_0="0.46650" CL_max="1.1" CL_min="-0.6" CL_a="5.900288"  
           CL_q="7.889002" CL_de="0.120916" CL_drop="0.1" CL_CD0="0" />
     <drag CD_prof="0.015" Uexp_CD="-0.5" CD_stall="0" CD_CLsq="0.01"  
           CD_AIsq="0" CD_ELsq="0" />
     <Y CY_b="-0.246774" CY_p="-0.189781" CY_r="0.167718"  
        CY_dr="0.087699" CY_da="0.060702" />
     <l Cl_b="-0.130917" Cl_p="-0.657000" Cl_r="0.120091"  
        Cl_dr="0.003944" Cl_da="0.245995" />
     <n Cn_b="0.051543" Cn_p="-0.046908" Cn_r="-0.040895"  
        Cn_dr="-0.045530" Cn_da="0.012100" />
     <spoiler drag="0.06"  lift="-0.4" />
  </aero>
  <config version="1">
    <descr_long>
      <en>
        Default configuration from Mark Drela's set of AVL files.
      </en>
    </descr_long>
    <descr_short>
      <en>default</en>
    </descr_short>
    <mass_inertia version="1" units="1" Mass="1.25020" I_xx="0.474178"
                  I_yy="0.0957865" I_zz="0.566328" I_xz="-0.00265910" />
  </config>
  <graphics version="1" model="supra.ac">
    <descr_long>
      <en>Default 3D model.</en>
    </descr_long>
    <descr_short>
      <en>default</en>
    </descr_short>
  </graphics>
  <wheels version="1" units="0">
    <!-- right wingtip -->
    <wheel percent_brake="1" caster_angle_rad="0">
      <pos x="-0.12" y="5.57" z="-0.53" />
      <spring constant="10" damping="0.2" max_force="12.0" />
    </wheel>
    <!-- left wingtip -->
    <wheel percent_brake="1" caster_angle_rad="0">
      <pos x="-0.12" y="-5.57" z="-0.53" />
      <spring constant="10" damping="0.2" max_force="12.0" />
    </wheel>
    <!-- right wing -->
    <wheel percent_brake="1" caster_angle_rad="0">
      <pos x="0.00" y="2.51" z="-0.13" />
      <spring constant="10" damping="0.2" max_force="12.0" />
    </wheel>
    <!-- left wing -->
    <wheel percent_brake="1" caster_angle_rad="0">
      <pos x="0.00" y="2.51" z="-0.13" />
      <spring constant="10" damping="0.2" max_force="12.0" />
    </wheel>
    <!-- nose -->
    <wheel percent_brake="1" caster_angle_rad="0">
      <pos x="1.55" y="0.00" z="0.10" />
      <spring constant="10" damping="0.2" max_force="12.0" />
    </wheel>
    <!-- fuselage 1 -->
    <wheel percent_brake="1" caster_angle_rad="0">
      <pos x="1.50" y="0.00" z="0.15" />
      <spring constant="10" damping="0.2" max_force="12.0" />
    </wheel>
    <!-- fuselage 2 -->
    <wheel percent_brake="1" caster_angle_rad="0">
      <pos x="1.02" y="0.00" z="0.19" />
      <spring constant="10" damping="0.2" max_force="12.0" />
    </wheel>
    <!-- fuselage 3 -->
    <wheel percent_brake="1" caster_angle_rad="0">
      <pos x="0.44" y="0.00" z="0.19" />
      <spring constant="10" damping="0.2" max_force="12.0" />
    </wheel>
    <!-- fuselage 4 -->
    <wheel percent_brake="1" caster_angle_rad="0">
      <pos x="-3.72" y="0.00" z="0.13" />
      <spring constant="10" damping="0.2" max_force="12.0" />
    </wheel>
    <!-- hook -->
    <wheel percent_brake="1" caster_angle_rad="0">
      <pos x="-0.05" y="0.00" z="0.19" />
      <spring constant="10" damping="0.2" max_force="12.0" />
    </wheel>
    <!-- rudder -->
    <wheel percent_brake="1" caster_angle_rad="0">
      <pos x="-4.11" y="0.00" z="0.04" />
      <spring constant="10" damping="0.2" max_force="12.0" />
    </wheel>
    <!-- fin -->
    <wheel percent_brake="1" caster_angle_rad="0">
      <pos x="-3.75" y="0.00" z="-1.03" />
      <spring constant="10" damping="0.2" max_force="12.0" />
    </wheel>
    <!-- right elevator -->
    <wheel percent_brake="1" caster_angle_rad="0">
      <pos x="-3.26" y="1.09" z="-0.07" />
      <spring constant="10" damping="0.2" max_force="12.0" />
    </wheel>
    <!-- left elevator -->
    <wheel percent_brake="1" caster_angle_rad="0">
      <pos x="-3.26" y="-1.09" z="-0.07" />
      <spring constant="10" damping="0.2" max_force="12.0" />
    </wheel>
  </wheels>
  <launch>
    <preset name_en="glider default (hand)" altitude="6" velocity_rel="1" angle="0" sal="0" rel_to_player="1" rel_front="0" rel_right="2" />
  </launch>  
</CRRCSim_airplane>
