Mitsubishi 1MF10

1MF10
Mitsubishi 1MF10
Role	Fighter aircraft
National origin	Japan
Manufacturer	Mitsubishi Kokuki KK
Designer	Jiro Horikoshi
First flight	March 1933
Status	Prototype
Number built	2

The Mitsubishi 1MF10 or Mitsubishi Experimental 7-Shi Carrier Fighter (七試艦上戦闘機) was a prototype Japanese monoplane single-seat carrier-based fighter aircraft of the 1930s. Two were built for the Imperial Japanese Navy, but both were lost in crashes, with no production following.

In April 1932, the Imperial Japanese Navy issued a specification for a replacement for its current carrier-based fighter, the Nakajima A2N, asking for designs from both Mitsubishi and Nakajima. Unlike the biplane which was to be replaced, both competitors submitted monoplanes, with Nakajima offering a version of its Type 91 parasol-wing fighter, already in production for the Japanese Army. Mitsubishi assigned design of its contestant to a team led by Jiro Horikoshi, which created the first low-wing cantilever monoplane to be designed in Japan, the Mitsubishi 1MF10.

The 1MF10 was of all-metal construction, with a monocoque duralumin fuselage, with duralumin wing structure covered in fabric, with the pilot accommodated in an open cockpit. The aircraft was powered by a Mitsubishi A4 two-row 14-cylinder radial engine driving a two-bladed propeller. It had a fixed tailwheel undercarriage.

The first prototype 1MF10, with the Navy designation Experimental 7-shi Carrier Fighter made its maiden flight in March 1933. It was destroyed in July 1933 when its tail broke up during diving tests, although the pilot escaped by parachute. The second prototype had a revised undercarriage, with the main wheels and undercarriage legs faired into streamlined spats. It was also destroyed in a crash, when it could not be recovered from a flat spin in June 1934.

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