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Alternative ways to take off and land for fixed-wing aircrafts
Cäsar, Tomáš ; Matějů, Jiří (referee) ; Zikmund, Pavel (advisor)
Target of this thesis was to propose and evaluate workability in matter of basic physical principles for shortening lengths of take-off and landing distances especially for small, single-seated aircrafts. These variants were proposed in order to be used at building roofs for transport of employees to work and back. Every variant is presented with loads, which would affect aircraft and pilot and also estimated runway length for comparison with classic landing. Calculations were made for two versions of aircrafts, one for present, achievable with current technologies and second futuristic, which takes into account expected development in aviation.
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Human powered airplanes overview
Valuch, Tomáš ; Koštial, Rostislav (referee) ; Zikmund, Pavel (advisor)
In this bachelor thesis is elaborated historical development of human-powered aircrafts. The aim is to asses an overview of human-powered aircraft, to evaluate trends in the airframe structure and evaluate trends of specific design parameters. The first part deals with the historical development of the aircrafts. The next part focuses on the description of Kremer‘s prices and their importance for the development of this aircraft category. The following describes the structural components of the airframe and structural parameters. These parameters and flight performance are assessed. The last section is devoted to future developments and accomplishments records.
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Flight performance of racing RC gliders
Hájek, Tomáš ; Zikmund, Pavel (referee) ; Pejchar, Jan (advisor)
Bachelor thesis is about flight performance of category F3K, radio-controlled gliders. It has list of flight tasks performed during competition and characteristics of different flight modes. The paper presents important performance characteristics and the methodology for their measurement.
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Airfoils Evolution and Summary
Kerndl, Jindřich ; Dofek, Ivan (referee) ; Zikmund, Pavel (advisor)
This bachelor thesis describes the evolution and overview of airfoils. The first part is about the airfoil characteristics and their significance. The second part reflects the historical evolution of airfoils for piston engine powered aircraft. The conclusion compares the airfoils of currently used light sport aircraft of Czech and foreign producers.
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Integration of XFOIL software in MATLAB environment
Křižák, Michal ; Zikmund, Pavel (referee) ; Dofek, Ivan (advisor)
Thesis is concerned with program which is able to run and control XFOIL from MATLAB environment. This program is focused on bulk data processing and plotting of XFOIL results. Thesis is also concerned with brief description of XFOIL and MATLAB, description of profile characteristics and comparison numbers used in calculation by XFOIL.
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Aircraft speed Measurement
Mokoš, Marian ; Jebáček, Ivo (referee) ; Zikmund, Pavel (advisor)
The Bachelor´s thesis is focused on the measurement of flight especially the speed of the aircraft. The first part includes the list of aircraft on-board instruments, measurement errors and the types of speeds. The principle of an aircraft speedmeters and the list of probes subdivided by measuring the speed of flight are mentioned. The second part is focused on unmanned aerial vehicle SPECTO and choosing the appropriate probe for this aircraft.
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Gliders in Today's Aviation
Schoř, Pavel ; Zikmund, Pavel (referee) ; Šošovička, Róbert (advisor)
The introduction of this bachelor`s thesis deals with a brief history of gliders. Second chapter explains basic principles of unpowered aircraft flight, including the principle, how an unpowered glider can climb. Commonly used take-off methods are also mentioned. In all chapters, the examples are explained on Standard Cirrus glider, because it is very widespread in Czech Republic and is financially well affordable. Third chapter describes natural principles, which are used by glider pilots to gain an altitude. An extra attention is paid to gaining an altitude in thermals. In fourth chapter, the gliders are divided according to their purpose and sporting category. Short description of glider construction is mentioned, including a description of instruments, which are necessary for a cross country flight. The description of cross country flight is mentioned at end of this chapter. Last chapter compares Standard Cirrus glider with SZD 56-2, which is one of the today`s best 15m gliders. The main purpose is to illustrate the progress in glider designing, which was achieved during last 40 years, in the light of previous chapters.
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Survey of Competition Aircraft of Aero L-159 Alca
Bartoněk, Jaroslav ; Zikmund, Pavel (referee) ; Dofek, Ivan (advisor)
This bachelor‘s thesis deals with military training and lightweight multi-role continuation trainers which are comparable with the Aero L-159 ALCA. Here, a survey of the most important airplanes is created, of their using, technical data, historical development and mutual comparison based on their flight performances and other properties. Aero L-159 ALCA is the latest construction of training and multi-role aircraft of the company Aero Vodochody and the successor of the traning airplane L-39 Albatros.
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