1. Grose, R. M. "Wind 7hnnel Siudics of thc Effects of Blade Thickncss Ratio. Camkr and Pitch Pistrihution on the Pcrformancc of Model High-Speed Propellers. *$ United Aircraft Corporation Research Dept. Rcport R-25GG5-2, June 1955.
2. Simmonrls, A. W. "Wind Tunnel Tcst of Variable Cambcr and Conventional Model Propellers, United Aircraft Corporation Research Pcpt. Report B33034-1. Deccmber 1963.