In aircraft design and aviation, “MAC TO” stands for “Mean Aerodynamic Chord at Takeoff Weight.” It represents the mean aerodynamic chord of an aircraft’s wing when the aircraft is at its Takeoff Weight (TO). The Mean Aerodynamic Chord (MAC) is a critical parameter used in aircraft design and balance calculations. MAC TO is typically measured in units of length, such as meters or feet.
Formula for MAC TO: The formula for calculating MAC TO involves dividing the wing’s total area (S) by its wingspan (b) at the Takeoff Weight (TO) condition. The formula can be expressed as:
- MAC TO: Mean Aerodynamic Chord at Takeoff Weight, measured in units like meters (m) or feet (ft).
- S: The total wing area at Takeoff Weight (TO), measured in square meters (m²) or square feet (ft²).
- b: The wingspan of the aircraft at Takeoff Weight (TO), measured in meters (m) or feet (ft).