EC120 Diesel

[skadi]

Originally Posted by riff_raff

Yes, intake ingestion of sand is not healthy for either turbine or recip engines. But it is far easier to filter this type of debris from the intake airflow of a recip engine than a turbine engine. Turboshaft helo engines use dynamic particle separator devices on the intake that are far less effective than the barrier filters used by recip engines.

Barrier filters are also availble for turbine helicopters. Most of the german EMS-Ships are equipped with these filters from different suppliers:

http://www.helionline.net/060-214274...y///45520.html

http://www.helionline.net/photogallery///45502//2.html

skadi