(a)The Clark YH airfoil geometry △△△△A会 deg (b)The Clark YH airfoil lift and drag curves Figure 2-1: The Clark YH airfoil closely resembles the airfoil used on the trainer ARF 60 aircraft and is used to model wing aerodynamics configured aircraft such as the tower trainer 60 ARF used in the testbed, many of the performance characteristics can be obtained using the geometry of the aircraft, such as the data found in Table 2. 1. Detailed descriptions of the surface geometry, wing lift curves, and engine performance curves enable simulations of the aircraft under realistic fight conditions, providing the input parameters are configured accurately For example, the Clark Yh airfoil closely resembles the trainer ARF 60 airfoil and is used to describe the aerodynamic properties of the main wing on the aircraft 25 Some of the data is shown in Figure 2-1. A more detailed description of the simulator input files is given in Ref. 26(a) The Clark YH airfoil geometry. −5 0 5 10 15 20 25 30 −0.2 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 α [deg] CL CD (b) The Clark YH airfoil lift and drag curves. Figure 2­1: The Clark YH airfoil closely resembles the airfoil used on the trainer ARF 60 aircraft and is used to model wing aerodynamics. configured aircraft such as the tower trainer 60 ARF used in the testbed, many of the performance characteristics can be obtained using the geometry of the aircraft, such as the data found in Table 2.1. Detailed descriptions of the surface geometry, wing lift curves, and engine performance curves enable simulations of the aircraft under realistic flight conditions, providing the input parameters are configured accurately. For example, the Clark YH airfoil closely resembles the trainer ARF 60 airfoil and is used to describe the aerodynamic properties of the main wing on the aircraft [25]. Some of the data is shown in Figure 2­1. A more detailed description of the simulator input files is given in Ref. [26]. 32