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Failure Analysis and Enhancements of Cessna-172 Nose Landing Gear Fork

Landing gear provides crucial support for aircraft while on ground. It is fastened to the main structural parts of the plane. The nose landing gear transfers all ground stresses to the aircraft structure, while the aircraft is on ground. Standard airplanes have main gears and the nose gear when taxiing on the ground the nose wheel is essential for both landing safely and guiding the plane. Main landing gear is to facilitate the safe touchdown of the aircraft. When combined, the main landing gear and the nose landing gear allow for landing smooth and jerk-free. The whole weight of the aircraft is supported by the undercarriage during taxiing and landing. Using the modelling program, a design and precise geometry of the existing Cessna 172 nose landing gear fork was created as well as for the proposed model of the nose landing gear. Comparison of four different materials for nose landing gear fork structures and evaluate the equivalent stress, strain and deflection was done. There is comparison of the nose landing gear fork structure with existing and proposed model. Compared to all the cases the titanium alloy material receives the lesser and nearer to the deformation of the steel.

Author: Jithin Thundiyil Appachen

Supervisor: Iyad Alomar

Degree: Bachelor

Year: 2024

Work Language: English

Study programme: Aviation Engineering

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Application of an autonomous taxiing system, on a medium-range passenger aircraft

Currently, among the issues that most concern airlines are controlling operating costs and reducing harmful impacts on the environment.One solution to reduce fuel costs and reduce environmental impact is the use of an electric green taxiing system, which can save several hundred thousand dollars per aircraft per year, thereby increasing overall business profitability while reducing the negative impact on the environment. Wednesday.This bachelor's thesis proposes an autonomous aircraft taxiing system based on the EGTS concept, however, it is proposed to use a hydromechanical system rather than electric motors to drive the landing gear wheels.The work presents a design solution for this system for a designed prototype aircraft and calculation of the main parameters of the taxiing system. This system may have practical applications.

Author: Ričards Novikovs

Supervisor: Sergey Junusovs

Degree: Bachelor

Year: 2024

Work Language: English

Study programme: Aviation Engineering

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