|Manufacturer||Mitsubishi Heavy Industries|
|Primary Role||Torpedo Bomber|
|Maiden Flight||28 December 1929|
Contributor: C. Peter Chen
ww2dbaseIn 1927, Mitsubishi commissioned the British aircraft manufacturer Blackburn to develop a new carrier-borne torpedo bomber design, meant to be used to enter a Japanese Navy competition for a new generation of such aircraft. Blackburn developed the T.7B design for Mitsubishi based on the existing Ripon design (which was being developed for the British Fleet Air Arm), which won the competition. The prototype aircraft took flight on 28 Dec 1929 at Blackburn's factory at Brough, Yorkshire, England, United Kingdom, and that aircraft was shipped to Japan in Feb 1930. Subsequently designated B2M, Mitsubishi built three additional prototypes with small modifications before the Japanese Navy officially accepted the design; the final production design was designated B2M1 by Mitsubishi and Navy Type 89-1 Model 1 Carrier Attack Plane by the Japanese Navy. B2M1 entered service in Mar 1932 aboard carriers Akagi, Kaga, and Hosho. The B2M2 variant design arrived subsequently (Navy Type 89-2 Carrier Attack Plane), which enjoyed a slight performance gain from reduced wingspan and modified tails. They remained in service through the 1930s and saw action during the early stages of the Second Sino-Japanese War, which began in 1937, as light bombers.
ww2dbaseDuring the design's production life, 206 B2M1 and B2M2 aircraft were built.
Last Major Revision: Oct 2010
|Machinery||One Hispano-Suiza 12Lbr V-12 engine rated at 650hp|
|Armament||1x7.7mm forward machine gun, 1x7.7mm rear flexible machine gun, 1x800kg torpedo or 800kg of bombs|
|Wing Area||55.00 m²|
|Weight, Empty||2,260 kg|
|Weight, Loaded||3,600 kg|
|Speed, Maximum||213 km/h|
|Service Ceiling||4,500 m|
|Range, Normal||1,779 km|
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