Search U.S. government technical reports digitized or harvested by TRAIL.
The interference between struts in various combinations
Relative Efficiencies and Design Charts for Various Engine-Propeller Combinations, Special Report
A Study of the Factors Affecting the Range of Airplanes
The aerodynamic characteristics of six full-scale propellers having different airfoil sections
Preliminary Model Tests of a Wing-Duct Cooling System for Radial Engines, Special Report