 Range equation is a fundamental equation in aircraft design that describes the distance an aircraft can travel with a given amount of fuel. The formula for the range () of an aircraft is:
- is the range,
- is the velocity of the aircraft, and
- is the drag force acting on the aircraft
The range equation is crucial for aircraft design as it helps engineers optimize the aerodynamic and propulsion characteristics of an aircraft to achieve the desired range performance. Achieving an optimal balance between speed and aerodynamic efficiency is essential for maximizing the range capabilities of an aircraft.