Motorlet M-701
The Motorlet M-701 was a jet engine developed and manufactured in Czechoslovakia . It was used to propel the Aero L-29 Delfín jet trainer ; between 1961 and 1989, 9020 engines of this type were produced.
development
In 1955, the Czechoslovak engine manufacturer Motorlet began work on developing a new jet engine. The aim was to equip the Aero L-29 Delfín training jet aircraft designed by aircraft manufacturer Aero , which was based on a tender for a jet-powered training aircraft for the air forces of the Warsaw Pact member states . The result was the first jet engine developed in Czechoslovakia under the name Motorlet M-701. Motorlet had previously been able to gain experience in manufacturing the Soviet Klimow WK-1 jet engine under license .
The M-701 was a single-shaft turbojet engine with a single-stage radial compressor. The compressed air was fed to seven tubular combustion chambers, which were followed by a single-stage axial turbine with 61 blades.
The engine first ran in 1958 and was used in the first prototype of the L-29 in 1960. This machine had already been flown with an Armstrong Siddeley Viper the year before. The L-29 emerged as the winner in the tender and was ordered in large numbers; Series production of the M-701 engine began in 1961 at Motorlet in Jinonice near Prague . When the production of the engine was stopped in 1989, the number of copies produced amounted to 9020 pieces.
commitment
Technical specifications
- Length: 2067 mm
- Diameter: 896 mm (construction height max. 928 mm)
- Weight: 330 kg
- Thrust: 8.75 kN (starting thrust at 15,500 / min), 7.87 kN (nominal thrust at 14,950 / min)
- Compression: 4.3: 1
- Air flow: 19.6 kg / s
- Specific fuel consumption: 1.14 g / (kN · s) at nominal thrust
literature
- John Taylor: Jane's All The World's Aircraft 1971-72 . Ed .: W. R. John. Sampson Low, London 1971, ISBN 0-354-00094-2 .
