Click to open image viewer. 1929; pca-1a (x95n); 3 seat open cockpit; single fixed wing with regulator wing plan form; upturned rounded tips; wooden ribs with dual leading and trailing edge; spars.

The PCA-1 was Pitcairn's first Autogiro project and successfully demonstrated that he and his engineering staff not only understood Cierva's innovation, but also that they were capable of improving ...