static const double ktstofps;
static const double inchtoft;
static const double in3tom3;
- static const double Reng; // Specific Gas Constant,ft^2/(sec^2*R)
+ static double Reng; // Specific Gas Constant,ft^2/(sec^2*R)
static const double SHRatio;
static const string needed_cfg_version;
static const string JSBSim_version;