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Mitsubishi Q2M (Taiyo)

Anti-Submarine Warfare (ASW) / Maritime Patrol Aircraft Proposal

Imperial Japan | 1946

"Born during the last desperate months of World War 2, the Japanese Army Mitsubishi Q2M was to become an Anti-Submarine Warfare platform but did not progress beyond the paper stage."

Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Mitsubishi Q2M (Taiyo) Anti-Submarine Warfare (ASW) / Maritime Patrol Aircraft Proposal.
2 x Mitsubishi "Kasei 25 Otsu" 14-cylinder air-cooled radial piston engines developing 1,380 horsepower each driving four-bladed propeller units.
304 mph
490 kph | 265 kts
Max Speed
12,156 ft
3,705 m | 2 miles
Service Ceiling
1,501 miles
2,415 km | 1,304 nm
Operational Range
The nose-to-tail, wingtip-to-wingtip physical qualities of the Mitsubishi Q2M (Taiyo) Anti-Submarine Warfare (ASW) / Maritime Patrol Aircraft Proposal.
61.5 ft
18.75 m
O/A Length
82.0 ft
(25.00 m)
O/A Width
15.6 ft
(4.75 m)
O/A Height
19,511 lb
(8,850 kg)
Empty Weight
29,983 lb
(13,600 kg)
Available supported armament and special-mission equipment featured in the design of the Mitsubishi Q2M (Taiyo) Anti-Submarine Warfare (ASW) / Maritime Patrol Aircraft Proposal .
3 x 13mm Heavy Machine Guns (HMGs)

4 x 550lb conventional drop bombs.
Notable series variants as part of the Mitsubishi Q2M (Taiyo) family line.
Q2M "Taiyo" - Base Series Name
Q2M Plan B

Authored By: Staff Writer | Last Edited: 02/01/2020 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.

The last desperate months of 1945 for the Axis in World War 2 saw both the Japanese and Germans undertaking advanced aircraft projects to help stem the tide of defeat. The Allied submarine campaign against Japanese shipping across the Pacific was taking its toll to the point that Mitsubishi was commissioned to design, development, and mass-produce a counter - this becoming the unfulfilled Mitsubishi "Q2M" Anti-Submarine Warfare (ASW) / Maritime Patrol Bomber.

For expediency's sake, the design was an evolution of the existing - and proven - Mitsubishi Ki-67-I "Peggy" which served the Japanese Army and Navy as effective torpedo bombers. The aircraft was a twin-engine offering classified as a heavy bomber though it held qualities more akin to a Medium Bomber in the West. Some 767 of the type were produced following a first-flight in December of 1942.

The Q2M was developed to an Imperial Japanese Navy (IJN) requirement specifically to hunt enemy submarines over the vast ranges of the Pacific Theater. The aircraft was set to carry various radar-related equipment for the role with propulsion power from 2 x Mitsubishi "Kasei 25 Otsu" 14-cylinder, air-cooled radial piston engines of 1,380 - 1,850 horsepower each and driving six-bladed (some sources state five-bladed) propeller units.

Proposed armament was 3 x 13mm machine guns for local defense and support for up to 2,200lb of stores to include torpedoes, depth charges, and conventional drop bombs. The crew numbered between five or six personnel to man the various onboard stations.

Projected performance was a maximum speed of 305 miles per hour, a range out to 1,500 miles, and a service ceiling of 12,150 feet. Dimensions included a length of 61.5 feet, a wingspan of 82 feet, and a height of 15.5 feet.

The Q2M program never yielded the intended fruit as the Japanese war situation only worsened into mid-1945 - leaving the Q2M as nothing more than a "paper" design and one of the many aircraft projects terminated by the Japanese surrender of August 1945.

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Global customers who have evaluated and/or operated the Mitsubishi Q2M (Taiyo). Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 0 Units

Contractor(s): Mitsubishi - Imperial Japan
National flag of modern Japan

[ Imperial Japan (cancelled) ]
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Image of the Mitsubishi Q2M (Taiyo)
Image from the Public Domain.

Going Further...
The Mitsubishi Q2M (Taiyo) Anti-Submarine Warfare (ASW) / Maritime Patrol Aircraft Proposal appears in the following collections:
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