Mitsubishi 2MB1
1925
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Mitsubishi 2MB1

After building 57 Nieuport 81 trainers for the Imperial Japanese Army as the Mitsubishi Ko-1, followed by 145 Hanriot HD-14s under the designation Mitsubishi KM, Mitsubishi submitted the experimental 2MB2 Washi two-seat light bomber biplane designed by Alexander Baumann in 1925. This was rejected for production, the Imperial Army preferring Herbert Smith's more conventional 2MB1, a large two-seat biplane with wide-track divided landing gear. This entered service in 1927 as the Army Type 87 Light Bomber, 48 being built, and each was powered by a 336kW Hispano-Suiza engine which gave a maximum speed of 185km/h; the 2MB1 had a maximum take-off weight of 3300kg and wing span of 14.80m. Armament comprised one fixed forward-firing 7.7mm machine-gun, twin guns of the same calibre on a ring mounting for the observer, and provision for a fourth gun firing through a ventral trap; maximum bomb load was 500kg.


Specification 
 WEIGHTS
    Take-off weight3300 kg7275 lb
 DIMENSIONS
    Wingspan14.80 m49 ft 7 in
 PERFORMANCE
    Max. speed185 km/h115 mph

Comments
Barry, 06.06.2016

I can confirm that the photo is of the 2MB2, which as it happens had a better performance and could carry a greater load than the 2MB1.

Art Deco, 21.05.2012

According to my sources, the photo is of Baumann's losing 2MB2, while Smith's 2MB1 is a three-bay bi-plane with Smith's quirky-looking vertical tail.

J L Santos, 08.06.2010

According to my sources, this is not a picture of a Mitsubishi 2MB1

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