Žilinská univerzita v Žiline
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Item Design and implementation of the aerobatic fuel system of the M60 engine(University of Žilina, 2022) Horák, Tomáš; Čerňan, JozefThe paper deals with the specific modification of the M60 two-stroke engine so that the engine can be used in aerobatic conditions. In the introduction of the paper, the basic theory concerning piston two-stroke engines, the principle of operation of this engine, and the analysis of individual fuel systems is first discussed, with a focus on fuel injection systems and their components. Furthermore, the preparation of the fuel mixture is characterized together with the factors affecting it and also the basic characteristics of the engine control unit. In this way, the reader will gain the knowledge necessary for a better understanding of the following chapters. The motivation is to find a way to modify the non-aerobatic engine for the needs of aerobatic flight, and this modification includes a number of important advantages over the original fuel system design mentioned in the paper. At the core of the paper, we discuss the design of the fuel system, including important modifications, and also the practical implementation of this fuel system on the engine mentioned above. At the end of the paper, we evaluate the results of the work achieved by changing and modifying the fuel system on the M60 engine, including the achievement of the set objectives.Item PROGRESÍVNE RIEŠENIA OVLÁDANIA ROZVODOVÝCH MECHANIZMOV PRE LETECKÉ PIESTOVÉ MOTORY(Žilinská univerzita v Žiline, 2020) Horák, Tomáš; Čerňan, JozefThe timing mechanism and its control represents the major part of this final thesis. In line with the latest requirements, efforts to discover a new solution that could improve certain parameters of the piston engines might have been marked as the main motivation behind the thesis. The initial part describes the actual piston engine, its operation principles and gradually follows to the timing mechanism. In this way, the reader acquires the knowledge necessary for a better understanding of the following chapters. We have described and compared individual options for controlling the timing mechanisms, which could be found in today´s piston engine. The main idea of this thesis was to analyse the progressive solutions of the control timing mechanisms. Further to that we analyse some specific solutions regarding operation and design, which could be potentially implemented in the aviation industry. Concluding part of the thesis includes, besides others, a pros & cons analysis of the system. Following that we also expressed our idea of how this system could be employed in the aircraft engines. On the one hand, we introduced a positive impact of such implication, but on the other hand, we identified a space for potential improvement.