Martin MB-2 (NBS-1)

Bomber Biplane

Martin MB-2 United States Army Air Service, Replica, NMUSAF © Karsten Palt
Photo ©: Karsten Palt
The Martin MB-2 is a twin-engine biplane bomber aircraft with a crew of 4 developed by the US-American manufacturer Glenn L. Martin Co.. The designation changed later to NBS-1 (Night Bomber Short range).
The Martin MB-2 was the first US-designed mass production bomber aircraft. It was produced by Martin, Curtiss, L.W.F. and Aeromarine.
Propulsion2 Piston Engines
Engine ModelLiberty L-12A
Engine Power (each)313 kW420 hp
max. Cruise Speed148 km/h80 kts
  92 mph
Speed159 km/h86 kts
  99 mph
Service Ceiling2.591 m8.500 ft
Rate of climb119 m/min391 ft/min
Range639 km345 NM
397 mi.
Empty Weight3.297 kg7.269 lbs
max. Takeoff Weight5.472 kg12.064 lbs
Wing Span22,61 m74 ft 2 in
Wing Area104,1 m1121 ft
Length13,01 m42 ft 8 in
Height4,47 m14 ft 8 in
First Flight03.09.1920
Production Statusout of production
Production Range1920-1922
Total Productionca. 130
Data for (Version)Martin MB-2