Martin MB-1

Wallpaper Description:

The Martin MB-1 was a 1910s American large biplane bomber designed and built by the Glenn L. Martin Company for the United States Army Air Service.

It was the first purpose-built bomber produced by the United States.

In 1921 Martin produced its KG.1 variant of the MB-1, with 10 purchased by the Navy as a torpedo bomber under the designation MBT.

After two were purchased, the designation was changed to Martin MT.

General characteristics

Crew: 3 (pilot, bombardier, gunner)
Length: 44 ft 10 in (13.67 m)
Wingspan: 71 ft 5 in (21.77 m)
Height: 14 ft 7 in (4.45 m)
Wing area: 1,070 ft2 (99.4 m2)
Empty weight: 6,702 lb (3,040 kg)
Gross weight: 10,225 lb (4,638 kg)

Powerplant: 2 × Liberty 12A liquid-cooled Vee, 400 hp (298 kW) each

Maximum speed: 105 mph (169 km/h)
Cruise speed: 92 mph (148 km/h)
Range: 390 miles (628 km)
Service ceiling: 10,300 ft (3,100 m)
Rate of climb: 630 ft/min (3.2 m/s)

Armament

Five .30-cal. machine guns
1,040 lb of bombs