Rahul Sharma (Editor)

Sukhoi Su 5

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Top speed
  
810 km/h

Length
  
8.51 m

Manufacturer
  
Sukhoi

Wingspan
  
11 m

First flight
  
April 6, 1945

Designer
  
Pavel Sukhoi

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The Sukhoi Su-5 or I-107 was a Soviet mixed-power (propeller and motorjet) prototype fighter aircraft built toward the end of World War II.

Contents

Sukhoi Su-5 Sukhoi Su5 Further Discussion War Thunder Official Forum

Development

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The appearance of the German turbojet-powered Messerschmitt Me 262 near the end of World War II prompted the Soviet Union to develop faster fighter aircraft. Since the USSR lacked a production-ready turbojet engine, development efforts were directed toward mixed-power aircraft utilizing a conventional piston engine-driven propeller for the majority of propulsion with a small rocket or jet engine for bursts of speed.

The Su-5 (initially I-107) and the conceptually similar Mikoyan-Gurevich I-250 were designed in 1944. The aircraft first flew on 6 April 1945 and underwent limited flight testing. It was subsequently fitted with a laminar flow wing and attained 793 km/h (428 kn, 493 mph) at 4,350 m (14,270 ft) with the motorjet functioning. On 15 June 1945, the Klimov VK-107A piston engine was damaged beyond repair in flight. Following acquisition of another VK-107A, flight testing continued until 18 October when the engine reached the end of its service life. No further VK-107As could be procured and the project was canceled.

Sukhoi Su-5 Sukhoi Su5 Further Discussion War Thunder Official Forum

The Su-5 was a conventional monoplane of all-metal construction. The VRDK (Russian: Воздушно-Реактивный Двигатель Компрессорный) motorjet in the rear of the fuselage was powered by a driveshaft from the VK-107 piston engine and could provide an additional 100 km/h (54 kn, 62 mph) of speed for three minutes.

Specifications (Su-5)

Data from

General characteristics

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  • Crew: 1
  • Length: 8.51 m (27 ft 11 in)
  • Wingspan: 10.56 m (34 ft 8 in)
  • Height: 3.53 m (11 ft 7 in)
  • Wing area: 17 m² (183 ft²)
  • Empty weight: 2,954 kg (6,510 lb)
  • Loaded weight: 3,804 kg (8,390 lb)
  • Powerplant:
  • 1 × VDRK motorjet, 2.9 kN (660 lbf)
  • 1 × Klimov VK-107A liquid-cooled V12 engine, 1,230 kW (1,650 hp)

    • Performance

  • Maximum speed: 810 km/h (437 kn, 503 mph) projected at 7,800 m (25,590 ft)
  • Range: 600 km (325 nmi, 375 mi)
  • Service ceiling: 12,000 m (39,370 ft)
  • Rate of climb: 5.7 min to 5,000 m (16,405 ft)

    • Armament

  • 1 × 23 mm (0.91 in) Nudelman-Suranov NS-23 cannon
  • 2 × 12.7 mm (0.50 in) Berezin UB machine guns

    • References

    Sukhoi Su-5 Wikipedia
    (Text) CC BY-SA


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