This paper deals with flight control and stability surfaces, which is a comprehensive overview of control and stability surfaces of an aeroplane, especially three main control surfaces elevator, ailerons and rudder. These ...

Time availability is one of the qualitative characteristics that are required for the universal postal service. The article aims to use statistical methods to determine the confidence interval for the average customer´s ...

Surface of aluminium alloy melt is covered by an oxide layer when it is in contact with the surrounding atmosphere. When the oxide layer is retained on the surface of the melt it prevents the melt by hydrogen saturation. ...

This article deals with the asymptotic solution in analytical form of some second-order linear differential equation with time-dependent parameters. Time-periodic modulation of the parameters of the oscillatory system can ...

The payment system can be perceived as a certain system forming an important part of the financial infrastructure of a market economy. Payments are made in non-cash and cash form. In the case of non-cash form, the presence ...

The article presents a newly developed pneumatic flexible shaft coupling with hose flexible element usable, among other applications, in drives of mechanical systems. The presented coupling uses a hose-shaped flexible ...

This paper aims to familiarize the reader with modifications of the engine parts of a light-sport aircraft necessary for aerial acrobatics. Modifications relating to the performance, operational capability, and resistance ...

The present publication is the first comprehensive monograph on the historical development of fire and firefighting services in the territory of former Czechoslovakia, from the earliest times until now. The book begins ...

The paper deals with the issue of formability evaluation of high-strength dual phase steels DP800 and DP1000 with a thickness of 1.6 mm. These steels are used for automotive body deformation zones. The material formability ...