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Mitsubishi J4M Senden

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(Redirected fromMitsubishi J4M)
Japanese fighter proposal
J4MSenden
General information
TypeFighter aircraft
ManufacturerMitsubishi Heavy Industries
Primary userImperial Japanese Navy (intended)
Number builtNone

TheMitsubishi J4MSenden (閃電 "Flashing Lightning") orNavy Experimental 17-Shi Otsu B Type Interceptor FighterSenden,Allied reporting nameLuke, was a JapaneseWorld War IIfighter aircraft proposed byMitsubishi Heavy Industries for use by theImperial Japanese Navy. The J4M project did not proceed beyond the design stage.

Design and development

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To provide the Imperial Japanese Navy with a land-based high-performanceinterceptor aircraft,Mitsubishi designed the J4M. It was to have been a single-seat, twin-boom, low-wing monoplane with a centralnacelle housing an unsteppedcockpit and a 1,590-kilowatt (2,130-hp)Mitsubishi Ha-43[1]radial engine behind the pilot driving a four-bladedpusher propeller rotating between the booms.[2] The booms were to extend aft from the leading edge of the wing and were mounted below the central nacelle.[2] The aircraft was to have had tricyclelanding gear and an armament of one 30-mm and two 20-mm cannon.[2]

Design of the initial J4M1 version ended when the Navy put its support behind the competingKyūshū J7W fighter, and Mitsubishi did not build a prototype.[2] TheAllies nonetheless assigned the J4M the reporting name "Luke" during World War II.[3]

Specifications (J4M estimated)

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Data fromJapanese Secret Projects:Experimental aircraft of the IJA and IJN 1939-1945[4]

General characteristics

  • Crew: 1
  • Length: 12.98 m (42 ft 7 in)
  • Wingspan: 12.49 m (41 ft 0 in)
  • Height: 3.47 m (11 ft 5 in)
  • Wing area: 22 m2 (240 sq ft)
  • Empty weight: 3,400 kg (7,496 lb)
  • Gross weight: 4,400 kg (9,700 lb)
  • Max takeoff weight: 5,255 kg (11,585 lb)
  • Powerplant: 1 ×Mitsubishi MK9D 18-cyl. two-row fan assisted air-cooled radial piston engine, 1,600 kW (2,100 hp) at take-off
1,416.8 kW (1,900 hp) at 2,000 m (6,600 ft)
1,230.4 kW (1,650 hp) at 8,000 m (26,000 ft)
  • Propellers: 6-bladed metal constant speed propeller, 3.2 m (10 ft 6 in) diameter

Performance

  • Maximum speed: 756 km/h (470 mph, 408 kn) at 8,000 m (26,000 ft)
  • Cruise speed: 462 km/h (287 mph, 249 kn)
  • Landing speed: 147 km/h (91 mph)
  • Endurance: 2 hours 12 minutes
  • Service ceiling: 12,000 m (39,000 ft)
  • Rate of climb: 8.89 m/s (1,750 ft/min)
  • Time to altitude: 8,000 m (26,000 ft) in 15 minutes
  • Wing loading: 199.69 kg/m2 (40.90 lb/sq ft)

Armament

  • Guns: 1x 30mmType 5 cannon with 100 rounds + 2x 20mmType 99 cannon with 200 rounds per gun in the fuselage nose
  • Bombs: provision for 2x 30 kg (66 lb) or 2x 60 kg (132 lb) bombs

See also

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Aircraft of comparable role, configuration, and era

Related lists

References

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Notes

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  1. ^hikotai.net Mitsubishi J4MArchived 2012-03-26 at theWayback Machine, Francillon, p. 491, names the engine aMitsubishi MK9D, but this is just another designation for the same engine.
  2. ^abcdFrancillon, p. 491.
  3. ^Francillion, p. 568.
  4. ^Dyer, Edwin M. III (2009).Japanese Secret Projects:Experimental aircraft of the IJA and IJN 1939-1945 (1st ed.). Hinkley: Midland publishing. pp. 93–95.ISBN 978-1-85780-317-4.

Bibliography

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  • Francillon, René J.Japanese Aircraft of the Pacific War. Annapolis, Maryland: Naval Institute Press, 1979.ISBN 0-87021-313-X.
  • Dyer, Edwin M. III (2009).Japanese Secret Projects:Experimental aircraft of the IJA and IJN 1939-1945 (1st ed.). Hinkley: Midland publishing. pp. 93–95.ISBN 978-1-85780-317-4.

External links

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1 X as second letter is for experimental aircraft or imported technology demonstrators not intended for service,2 Hyphenated trailing letter (-J, -K, -L, -N or -S) denotes design modified for secondary role,3 Possibly incorrect designation, but used in many sources
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With some exceptions for rockets, jets and repurposed aircraft, names chosen were for: 1. Winds, 2. Lightning, 3. Nighttime lights, 4. Mountains, 5. Stars/constellations, 6. Seas, 7. Clouds, 8. Plants, 9. Skies, 10. Landscapes, and 11. Flowers. Published translations disagree, and many are simplified, especially for plants, where the Japanese referred to a specific variety and the common translations only to the broader type.
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