Warren CP-2
The Warren CP-2, also called the Warren Taperwing, or the Kinner Taperwing was the third and last aircraft built by engineering students at California Polytechnic College in the 1930s == Design == The aircraft is a side-by-side open cockpit biplane with conventional landing gear, powered by a Kinner K-5 radial engine. The wings used wooden spars and ribs with fabric covering.