The goal of the Contrails project is to help preserve and disseminate the technical record of 20th century aerospace research, highlighting in particular the research endeavors of the Illinois Tech community.

1 report

Propeller Acoustics Research (Isolated Airfoil Noise)

Author(s): Lyon, Craig A.
Laboratory: Air Force Aero Propulsion Laboratory
Date of Publication: 1975-12
Report Number: AFAPL TR 75-78
full text by request