float get_length() const { return length; }
float get_width() const { return width; }
float get_height() const { return height; }
float get_length() const { return length; }
float get_width() const { return width; }
float get_height() const { return height; }
const BogieArray &get_bogies() const { return bogies; }
const Bogie &get_bogie(unsigned) const;
const Axle &get_bogie_axle(unsigned, unsigned) const;
const BogieArray &get_bogies() const { return bogies; }
const Bogie &get_bogie(unsigned) const;
const Axle &get_bogie_axle(unsigned, unsigned) const;