Kay 331 Gyroplane (British): All-Metal Single-Seat Light Rotor Plane (open access)

Kay 331 Gyroplane (British): All-Metal Single-Seat Light Rotor Plane

Circular presenting a description of the Kay 331 gyroplane, which is an all-metal single-seater with a Pobjoy R engine. A description of the propeller, control, fuselage, tail, flight characteristics, specifications, drawings, and photographs are provided.
Date: January 1935
Creator: unknown
System: The UNT Digital Library
Boulton Paul P.71a Commercial Airplane (British): A Two-Engine Biplane (open access)

Boulton Paul P.71a Commercial Airplane (British): A Two-Engine Biplane

Circular presenting a description of the Boulton Paul P.71A, which is a new type of two-engine biplane. Details of the design, fuel tanks, materials, fuselage, passenger seating, tail, and flying qualities are provided.
Date: March 1935
Creator: unknown
System: The UNT Digital Library