The 1931 CP-2 Warren Taperwing two place open cockpit biplane NX10257 was built as an aero engineering class project at California Polytechnic College.
The airplane carried c/n 3, and the alternative designation CP-3 has been seen, indicating the third airplane built at Cal Poly.
Engine: 100hp Kinner K-5
Wingspan: 27’0″
Length: 21’0″
Seats: 2
All Aero 