Comparative Test of the OH-6A Engine Inlet Filter and Particle Separator.
ARMY AVIATION TEST BOARD FORT RUCKER ALA
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The USAAVNTBD comparatively tested the Barrier Filter and Particle Separator on the OH-6A at Yuma Proving Ground, Arizona, 29 October - 24 November 1966, accumulating 15.5 hours of operation on three calibrated engines. The engines protected by the Particle Separator suffered less visible erosion, less performance degradation and less moisture impingement than the engine protected by the Barrier Filter. The Particle Separator required less maintenance and servicing, was easier to maintain and service, and had fewer malfunctions none than the Barrier filter which experienced malfunctions in three areas. The test directive specified that the report contain no conclusions and recommendations because of the possible controversial nature of the test results.
- Jet and Gas Turbine Engines