Aircraft Engines - Turbojets in France - Part 21

Published on: 2020-11-02
Updated on: 2020-11-02
Category: Articles

Kraków 2017-01-12

Turbo-jets in France

Atar 9. 2011 year. Photo by Karol Placha Hetman
Atar 9. 2011 year. Photo by Karol Placha Hetman

Snecma Atar 9. 1955 year.

Work on the Atar 9 engine was successful. The engines powered several French-made combat aircraft: Etendard, Super Etendard, Mirage III, Mirage 5, Mirage 50, Mirage F1, Mirage IV.

Atar 9 engine data: The single-flow, single-shaft motor received a 9-stage axial compressor. Compressor 5.2: 1 compression. Combustion chamber. 2-stage turbine. Afterburner. Length 5.90 m, diameter 1.00 m, weight 1,456 kg. 42.00 kN draft without afterburning and 58.90 kN with afterburning. Air flow through the engine 68 kg / s. fuel consumption 103 kg / (kN h) without afterburning and 207 kg / (kN h) with afterburning. The engine is started by compressed air generated by a starter (micro-turbine) located in a cone in front of the air inlet.

Written by Karol Placha Hetman