For the final assignment, we created the concept of the aircraft Š1, which we studied in the course Aircraft Design during our studies. The analytical approach is time-consuming and furthermore does not allow observing the influence of changes in the parameters of the designed aircraft, therefore we designed the aircraft in the program RDSwin Student. In the program we enter the aircraft data, based on which it allows us to perform various analyses of the parameters. First, we entered the aircraft geometry, data on the weights of the components, the aerodynamic properties of the airfoil, and the propulsion system. From the collected data we obtained results on the aerodynamic characteristics of the aircraft, its performance, and the production and operating costs. We compared the program results with the results of the analytical calculations and found that the aerodynamic characteristics are similar, while the performance differs. We identified the source of the deviation in the results in the propulsion module of the program, which consequently affected the aircraft performance. The results show that the production of such a training aircraft would be inexpensive, but due to the high maintenance costs it would be expensive to operate.
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