https://en.wikipedia.org/wiki/Handley_Page_H.P.31_Harrow

General characteristics

• Crew: two
• Length: 34 ft 10 in (10.62 m)
• Wingspan: 46 ft 0 in (14.02 m)
• Wing area: 591 ft² (54.9 m²)
• Empty weight: 4,125 lb (1,870 kg)
• Gross weight: 7,310 lb (3,316 kg)
• Powerplant: 1 × Napier Lion XIA 12-cylinder W configuration (broad arrow) water-cooled, 530 hp (395 kW)

Performance

• Maximum speed: 126 mph (202 km/h)
• Range: 450 miles (725 km)
• Service ceiling: 15,300 ft (4,730 m) 

Armament

• 1×0.303 in (7.7 mm) Vickers machine gun fixed forward firing through airscrew
• 1×0.303 in (7.7 mm) Lewis machine gun on Scarff ring
• 1×18 in (457 mm) torpedo or 3×520lb (236 kg) bombs