https://en.wikipedia.org/wiki/Curtiss_XP-10

General characteristics

• Crew: 1
• Length: 23 ft 3 in (7.09 m)
• Wingspan: 33 ft (10 m)
• Height: 8 ft 8 in (2.64 m)
• Wing area: 270 sq ft (25 m²)
• Empty weight: 3,040 lb (1,379 kg)
• Gross weight: 3,975 lb (1,803 kg)
• Powerplant: 1 × Curtiss V-1570-15 Conqueror V-12 water-cooled piston engine, 600 hp (450 kW)
• Propellers: 2-bladed fixed-pitch propeller

Performance

• Maximum speed: 191 mph (307 km/h; 166 kn) at sea level
  

• Range: 461 mi (401 nmi; 742 km)
• Service ceiling: 26,500 ft (8,100 m)
• Rate of climb: 1,940 ft/min (9.9 m/s)

Armament

• Guns: none installed (one 0.300 in (7.62 mm) and one 0.500 in (12.70 mm) machine guns planned