A tricycle gear airplane has three main advantages:
1. It allows more forceful application of the brakes during landings at high speeds without resulting in the airplane nosing over.
2. It permits better forward visibility for the pilot during takeoff, landing, and taxiing.
3. It tends to prevent ground looping (swerving) by providing more directional stability during ground operation since the airplane's center of gravity (CG) is forward of the main wheels. The forward CG, therefore, tends to keep the airplane moving forward in a straight line rather than ground looping.
Nosewheels are either steerable or castering. Steerable nosewheels are linked to the rudders by cables or rods, while castering nosewheels are free to swivel. In both cases, you steer the airplane using the rudder pedals. However, airplanes with a castering nosewheel may require you to combine the use of the rudder pedals with independent use of the brakes.
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