Lufthansa
A Star Alliance Member
Photo by Hady Khandani
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The turbofan is a type of airbreathing jet engine that is widely used for aircraft propulsion. A turbofan combines two types of engines, the turbo portion which is a conventional gas turbine engine, and the fan, a propeller-like ducted fan. The engine produces thrust through a combination of these two portions working together. Engines that use more jet thrust relative to fan thrust are known as low bypass turbofans (like most modern military engines), while those that have considerably more fan thrust than jet are known as high bypass (like most commercial aviation jet engines).
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Here is another postcard of a Lufthansa airplane engine ....
Lufthansa Tehnik (Technology)
Lufthansa
A Star Alliance Member
Photo by Jens Gorlich
both postcards are unused and from 2010
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