Public domain
Cambered Propeller Design for VTOL/STOL Airplane.
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
Investigation of cambered propeller design for VTOL/STOL airplane. 3/4 front view of Curtis VTOL propeller.
NASA Image and Video Library’s own descriptionCredit lineCambered Propeller Design for VTOL/STOL Airplane.. NASA/ARC, 1958-09-25. Public domain. ID: A-24304.