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Consolidated Y1P-25 / Y1A-11



The P-25 was externally almost a replica of the Lockheed P-24 but slightly larger and heavier. One of Robert Wood's design engineers moved from Lockheed to Consolidated and retained the goal of creating a fast, two-seat tandem fighter to replace the Berliner-Joyce P-16. The US Army Air Corps in 1932 was sufficiently interested to order two Consolidated Y1P-25 airframes, although the second was soon given the attack function and redesignated Y1A-11. A cantilever low-wing monoplane of all-metal construction (unlike its partly wood Lockheed forbear), the Y1P-25 had retractable landing gear, the familiar Curtiss Conqueror engine, and a rearward-facing machine-gunner. The engine was supercharged, making possible a top speed of 398km/h at 4500m.
First flown in 1932, the Y1P-25 crashed on 13 January 1933 and was written off. The Y1A-11 was also lost that same month. But in its short test life the Y1P-25 had shown sufficient promise for the USAAC to seek further development. Indeed, by May 1932 the service had decided to explore the basic design further. The Y1P-27 and Y1P-28 variants, to be powered by Pratt & Whitney Wasp engines of different marks, were seriously contemplated but never built. Four Conqueror-powered service-test machines were completed as P-30s (see separate entry) and later machines were redesignated PB-2 (for pursuit, biplace) (see separate entry). The basic design, after being allocated several designations, became the principal USAAC two-seat fighter between world wars.

Take-off weight: 2318 kg / 5110 lb
Empty weight: 1763 kg / 3887 lb
Wingspan: 13.36 m / 43 ft 10 in
Length: 8.94 m / 29 ft 4 in
Height: 2.62 m / 8 ft 7 in
Wing area: 27.87 sq.m / 299.99 sq ft
Max. speed: 398 km/h / 247 mph
Cruise speed: 290 km/h / 180 mph
Ceiling: 8230 m / 27000 ft
Range: 933 km / 580 miles
Armament: 2 x 7.62mm fixed machine-guns + 1 x 7.62mm in the rear


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