{
  "J3Cub"   : 1.0,

  "Sw"      : 178.5,
  "cbar"    : 5.2,
  "bw"      : 35.2,

  "mass"    : 1098.0,
  "Ixx"     : 538.0,
  "Iyy"     : 386.8,
  "Izz"     : 871.0,
  "Ixz"     : 0.0,

  "cg"      : [ 5.1, 0.0, -23.2 ],

  "engine"  : [ 
  {
    "pos"     : [ -73.7, 0.0, 6.7 ],
    "dir"     : [ 0.0, 0.0, 0.0 ],

    "FT_max"  : 605.3,
    "MT_max"  : -35.8,
    "rpm_max" : 3042.6
  } ],

  "gear"    : [ 
  {
    "pos"     : [ -74.7, 0.0, -25.6 ],
    "spring"  : 366.0,
    "damp"    : 183.0
  },
  {
    "pos"     : [ 4.4, -38.1, -25.6 ],
    "spring"  : 1220.0, 
    "damp"    : 610.0
  },
  {
    "pos"     : [ 4.4, 38.1, -25.6 ],
    "spring"  : 1220.0, 
    "damp"    : 610.0
  } ],

  "de_max"  : 24.3,
  "dr_max"  : 30.0,
  "da_max"  : 17.8,

  "CLmin"   : 0.534,
  "CLa"     : 4.98,
  "CLadot"  : 2.346,
  "CLq"     : 8.524,

  "CDmin"   : 0.019,
  "CDa"     : 0.19,
  "CDb"     : 0.192,
  "CDi"     : 0.0485,

  "CYb"     : -0.134,
  "CYp"     : 0.0022,
  "CYr"     : 0.1423,
  "CYdr"    : 0.0934,

  "Clb"     : -0.01,
  "Clp"     : -0.525,
  "Clr"     : 0.0219,
  "Clda"    : 0.35,
  "Cldr"    : 0.0133,

  "Cma"     : -1.3432,
  "Cmadot"  : -7.59,
  "Cmq"     : -12.7,
  "Cmde"    : -1.2004,

  "Cnb"     : 0.06,
  "Cnp"     : -0.0006,
  "Cnr"     : -0.081,
  "Cndr"    : 0.057
}