Jane's All The World Aircraft 1913
KIRKHAM Biplanes. Chas. B. Kirkham, Motor Manufacturers, Savona, N.Y. Began to manufacture aeroplanes in 1912, after previous experiments and flights near his factory.
Length, ---- feet (---- m.) span, 34 feet (10.40 m.) surface, ----sq. feet) (---- m?.)
Weight.--Complete, without pilot, 980 lbs. (445 kgs.)
Motor.--50 h.p. Kirkham, located in front under bonnet. 70 h.p. also fitted.
Speed.--56-62 m.p.h. (90-100 k.p.h.)
Remarks.--Rises easily at under 35 m.p.h., and has a full speed radius of 5? hours. Full details in Aeronautics, U.S.A., January, 1912. 1913, no changes.