Downwash measurements behind a 12-ft. diameter helicopter rotor in the 24-ft. wind tunnel
By: R. A. Fail and R. C. W. Eyre.
Contributors: Eyre, R. C. W.; Aeronautical Research Council (Great Britain)
Series: Aeronautical Research Council. Reports and memoranda -- no. 2810
Publisher: Ministry of Supply, Aeronautical Research Council
Published: 1949
Place of publication: London
Number of pages: 12
Notes: Cover date: 1954.

Bibliographical references: p. 3.