Inside Out Library · ExploreMicarta Propellers III : General Description of the Design (1924)NASA Technical Reports Server (NTRS) · leaf 13Rate of climb, ft. ^'ig'SS. Comparative propeller test on DH-4.NASA Technical Reports Server (NTRS)Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.More pictures from Micarta Propellers III : General Description of the DesignMore like this
