Avia Propeller, s.r.o. is a Czech company engaged in the design, manufacture and maintenance of aircraft all-metal propellers and propeller control systems. The company is based in Prague-Letňany and continues the aviation tradition of Avia, founded in 1919. The propellers from Avia Propeller are installed on aicraft with piston and turboprop engines and are popular for their performance and durability, especially with operators operating in demanding operating conditions around the world. Avia Propeller also manufactures a range of duralumin propeller blades for historic aircraft, such as the P-51 Mustang WWII fighter aircraft. Last but not least, the company produces over 1,200 propeller hydraulic speed controllers per year. This device controls the rotation of the propeller blades so that the propeller maintains a constant speed independent of engine power and thus operates in optimum mode.
The AV-725 is a constant speed hydraulic propeller for aircraft operation in all weather conditions including icing. To ensure constant speed, the propeller blades are rotated about their axis. At the same time, this propeller has the capability to rotate the blades to negative angles to induce reverse thrust or, in the event of engine shutdown, to reposition the blades to the flag position where they impose the least resistance.
The propeller was certified by the European Aviation Safety Agency (EASA) in 2011 and is currently being validated in many other countries, both within and outside the EU. It can be found on the Czech L 410 aircraft, which is used in demanding operating conditions in various parts of the world.
The propeller hub and propeller blades are made of high-strength aluminium alloy forgings. A special thread on the root of the propeller blades allows easy transport of the propeller in two crates and the possibility of replacing the propeller blades on the aircraft without removing the entire propeller from the engine/aircraft. The propeller was completely designed and is manufactured by Avia Propeller, s.r.o.
Otto Lilienthal
LZ 127 Graf Zeppelin
Fokker Dr.I Triplane
Supermarine Spitfire Mk.VC
Douglas DC-3
Lockheed SR-71 Blackbird
Zuri
LOM Praha motors
AVIA propeller
Flapper drones
ThunderFly
3D gyroscope
Aircraft wing lift
Sound wall
Controlling the aircraft with a yoke
Discovery - is originally an American satellite and cable television channel founded by John Hendricks and distributed by the international media company Warner Bros. Discovery
Czech aerospace cluster - is an association of Czech aerospace companies and educational institutions linked by a common interest in developing a competitive aerospace industry. The cluster consists of over 60 industrial companies, secondary vocational schools and technical universities.
AVIA Propeller - is a Czech company engaged in the design, manufacture and maintenance of all-metal aircraft propellers and propeller control systems
LOM Praha - is a state enterprise established by the Ministry of Defence of the Czech Republic specialising in the maintenance, repair and modernisation of helicopters and aviation equipment.
Zuri - the company's goal is to change the way people use on-demand door-to-door medium-haul flights. Travel on your own schedule and without airports. All of this provided by technology and design that does not compromise passenger safety and comfort.
ThunderFly - is a company specializing in the development and manufacture of atmospheric measurement systems, unmanned aircraft designed to operate in adverse weather conditions, and related avionics components.
Flapper Drones - is a startup company that develops and manufactures winged drones inspired by insects or hummingbirds. It was founded as a spinoff of the Technical University of Delft (Netherlands) and is based in Jablonec nad Nisou (Czech Republic) since 2022.
UAVA - Unmanned Aerial Vehicle Alliance represents the Czech unmanned aerial vehicle industry and research in the world and at the largest industry events, develops cooperation between members and collaboration aimed at attracting and supporting new projects for industrial drone applications, and supports and promotes education for the unmanned aerial vehicle industry.
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