hesham ACCESS: USAP Senior Member Joined 26 May 2006 Messages 38,285 Reaction score 20,424 29 May 2026 #41 Also from the site of my dear Stingray, Another Jet Driven Rotor concept from Cierva. From U.S Patent 2703624. Very curious rotor shape. Attachments 3.jpg 41.8 KB · Views: 14
Also from the site of my dear Stingray, Another Jet Driven Rotor concept from Cierva. From U.S Patent 2703624. Very curious rotor shape.