![]() The airspeed where the jet has the quickest turn rate with the smaller turn radius is called corner speed. If you get going really fast (above Mach 1) you also lose G availability.įor every fighter there is an optimum airspeed for achieving the hightest turn rate. Less lift is produced by the wings of your aircraft at slower speed and as a result there is less force available to turn the aircraft. at lower airspeeds, you have less G available. There is a relationship between airspeed and Gs. You may think that slowing down to minimum airspeed and pulling as hard as you can is the best course of action in order to achieve a high turn rate. The reverse is true: a lower velocity will yield a higher turn rate. If G remains at maximum, a higher velocity will cause turn rate to decrease. Velocity still remains an important factor. ![]() The higher the G in the above equation, the faster the turn rate. Turn rate is measured in degrees per second and is also dependant on Gs and airspeed. It is also described as how fast an aircraft can change is nose position. Turn rate indicates how fast the aircraft moves around the turn radius or circle we just talked about. Turn rate is the second important factor for turning the jet. Still velocity is sqared, so airspeed has a greater effect on turn radius than G. The more Gs that you pull, the tighter the turn. You have to realize that velocity is squared in the turn radius equation, meaning that turn radius will grow exponentially based on velocity. If you are looking down on the aircraft as it turns, the turn radius is the distance from the center of your turn circle to the aircraft. Turn radius is simply a measure of how tight your jet is turning. The first two characteristics of turns are turn radius and turn rate. ![]() The good news is that the defensive fighter also gives up energy to turn and defend himself. When you turn in a jet at high G, you "spend" or lose energy. Anytime you maneuver or turn a fighter, it "costs" energy. You can also exchange energy for nose position. Likewise you can convert aircraft speed back into altitude or potential energy. If the same jet is flying at low altitude, its potential energy is low.Īlways remember that you can trade altitude (potential energy) for speed. If a jet is at high altitude, its potential energy is high.
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