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The Messerschmitt Me 509 was an all-metal fighter project, underway in Germany during World War II.

Me 509
Model picture Me 509
Role	Fighter aircraft Type of aircraft
Manufacturer	Messerschmitt
Status	Unrealised project

Development

Not much information about this project has survived. It was based on the Me 309 but with the engine located behind a pressurized cockpit, much in a similar manner to the US Bell P-39 Airacobra.

The engine was a Daimler-Benz DB 605B driving a three-blade propeller, and armament was to consist of two 13 mm (.51 in) MG 131 machine guns and two 20 mm MG 151/20 cannon. The tricycle landing gear from the Me 309 was retained, which worked better on the 509, due to the lower weight on the nosewheel - the Me 309's nosegear had collapsed during trials. The smaller nose would have improved visibility. The project was cancelled along with the Me 309,[1] but the Japanese made a similar aircraft, the Yokosuka R2Y Keiun, which suffered from engine overheating.[2]

Specifications (as designed)

Data from ^{[citation needed]}

General characteristics

• Crew: 1
• Length: 9.94 m (32 ft 7 in)
• Wingspan: 11.27 m (37 ft 0 in)
• Height: 3.98 m (13 ft 1 in)
• Powerplant: 1 × Daimler-Benz DB 605B v-12 inverted liquid-cooled piston engine, 1,085 kW (1,455 hp)
• Propellers: 3-bladed constant-speed propeller

Performance

• Maximum speed: 760 km/h (470 mph, 410 kn)

Armament

• Guns:
  

• 2× 13 mm (0.512 in) MG 131 machine guns
• 2× 20 mm (0.787 in) MG 151/20 cannon

See also

Related development

• Me 309

Aircraft of comparable role, configuration, and era

• P-39 Airacobra
• P-63 Kingcobra
• Yokosuka R2Y
• Koolhoven F.K.55

References

External links

• Me 509 Model

На других языках

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[de] Messerschmitt Me 509

Die Messerschmitt Me 509 war ein auf der Me 309 basierendes Jagdflugzeugprojekt im Zweiten Weltkrieg. Es wurden zum Beispiel Fahrwerk und Leitwerk von der 309 übernommen. Im Gegensatz zur 309 war der Motor aber nicht im Bug, sondern mittig im Rumpf in Schwerpunktnähe angebracht. Diese Auslegung hatte sich bereits bei der US-amerikanischen Bell P-39 bewährt. Der Grund für diese Anordnung lag aber in den Problemen mit dem für die damalige Zeit ungewöhnlichen Bugradfahrwerk, die bei der Erprobung mit der 309 auftraten: Das Fahrwerk brach häufig wegen des schweren Motors, der sich direkt darüber befand.

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- [en] Messerschmitt Me 509

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[it] Messerschmitt Me 509

Il Messerschmitt Me 509 fu un aereo da caccia monomotore monoplano ad ala media sviluppato dall'azienda aeronautica tedesca Messerschmitt AG nei primi anni quaranta e rimasto solo allo stadio progettuale.

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