/** Get the moment due to mass of the gas cell (including any ballonets)
Note that the buoyancy of the gas cell is handled separately by the
FGForce part and not included here.
@return moment vector in lbs ft. */
/** Get the moment due to mass of the gas cell (including any ballonets)
Note that the buoyancy of the gas cell is handled separately by the
FGForce part and not included here.
@return moment vector in lbs ft. */