fgdata/Aircraft-aisim/ball.json

{
  "ball"    : 1.0,

  "Sw"      : 1.0,
  "cbar"    : 1.0,
  "b"       : 1.0,

  "mass"    : 40.0,
  "Ixx"     : 20.0,
  "Iyy"     : 10.0,
  "Izz"     : 10.0,
  "Ixz"     : 0.0,

  "CDmin"   : 0.0
}