Pressure Distribution Tests on PW-9 Wing Models Showing Effects of Biplane Interference (open access)

Pressure Distribution Tests on PW-9 Wing Models Showing Effects of Biplane Interference

"In this report tests are described in which the distribution of pressures over models of the wings of the PW-9 Airplane was investigated. The wing models were tested individually and in the biplane combination. The investigation was conducted in the atmospheric wind tunnel of the National Advisory Committee for Aeronautics" (p. 315).
Date: April 7, 1927
Creator: Fairbanks, A. J.
Object Type: Report
System: The UNT Digital Library
Truss. (open access)

Truss.

Patent for an "improved truss or abdominal belt" (lines 40-41) that provides a simple design with added pads.
Date: April 7, 1920
Creator: Buckley, James William
Object Type: Patent
System: The Portal to Texas History