Supriya Ghosh (Editor)

EKW C 36

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Top speed
  
476 km/h

Length
  
10 m

Wingspan
  
14 m

Introduced
  
1942

EKW C-36 wwwflugzeuginfonetacimagesc3603marcmicheljpg

Rc scale airplane swiss air force ekw c 36 swiss multi purpose combat aircraft


The EKW C-36 was a Swiss multi-purpose combat aircraft of the 1930s and 1940s, built by the Eidgenoessische Konstruktionswerkstaette. It was a single-engined monoplane with a crew of two. It entered service in 1942, and despite being obsolete, remained in front line use until the early 1950s, and as a target tug until 1987.

Contents

EKW C-36 EKW C36 Further Discussion War Thunder Official Forum

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Development and design

EKW C-36 Airplanes in the skies FAF history EKW C36

In 1935, the Swiss Air Force developed a requirement for a replacement for Switzerland's Fokker C.V-E biplanes, which were used as reconnaissance aircraft, escort fighters and patrol aircraft. To meet this requirement, the Swiss Federal Constructions Works (EKW) proposed two designs, a modernised C.V, the EKW C-35 and an all new monoplane, the C-36.

Orders for 80 C-35s were placed in 1936, but no decision was made about whether to order the C-36, with preference being given to the purchase of foreign twin-engined aircraft for the role, attempts been made to buy Messerschmitt Bf 110s from Germany or Potez 63s from France. These attempts failed, however, and in 1938 approval was given for EKW to complete detailed design of the C-36 and to build a prototype.

EKW C-36 EKW36 by Thomas Muggli 172

The first prototype, the C-3601, carried out its maiden flight on 15 May 1939. It was a low-winged cantilever monoplane of all-metal construction. It was powered by a single licence-built Hispano-Suiza 12Y engine driving a three-bladed variable-pitch propeller. A crew of two sat in tandem under a long, continuous canopy. The aircraft was fitted with a twin tail, and had a fixed tailwheel undercarriage.

EKW C-36 EKW C36 Further Discussion War Thunder Official Forum

The C-3601 crashed on 20 August 1939 due to wing flutter, but a second prototype, the C-3602, which had a more powerful engine and a constant-speed propeller flew on 30 November that year. Testing was successful, and orders were placed in 1940 for an initial batch of 10 C-3603 with a retractable undercarriage.

Operational history

EKW C-36 SM 2014 C3603 Schweizer Luftwaffe EKW C36 Model RC Warbird YouTube

The C-3603s, along with EKW D-3801s, fought off trespassing aircraft to defend Swiss neutrality, but were soon relegated to training and target-towing duties. The last variant of the C-36 aircraft family, the turboprop powered C-3605, had its maiden flight in 1968 remaining in service with the Swiss Air Force until 1988. Thanks to its Black and yellow striped colouration, the C-3605 was called "Flying Zebra Crossing". After retirement several aircraft were kept airworthy on the Civil aircraft register.

Variants

C-3601
First prototype with long-span wings, fixed undercarriage and powered by 641 kW (860 hp) Hispano-Suiza 12YCrs engine.
C-3602
Second prototype powered by 746 kW (1,000 hp) Hispano-Suiza 12 Y-51.
C-3603
Production version with retractable undercarriage, powered by Hispano-Suiza 12 Y-51. Armed by one 20mm Oerlikon moteur-canon cannon firing through propeller hub, two 7.5mm machine guns in the wings and two machine guns in the rear cockpit.
C-3604
More powerful and heavier armed derivative of C-3603, powered by 929 kW (1,245 hp) Saurer YS-2 (a more powerful Swiss development of the Hispano-Suiza 12Y-51) and carrying an extra two 20mm cannon in its wings. One prototype and twelve production aircraft built.
C-3605
Turboprop version with Lycoming T53 engine (24 converted from C-3603-1). It was much larger and also more powerful than the C-3601, with a maximum speed of 560km/h or 296mph.

Operators

  Switzerland
  • Swiss Air Force
  • Specifications (C-3603)

    Data from Enduring Tug:The Swiss C-36 Series.

    General characteristics

  • Crew: Two
  • Length: 10.23 m (33 ft 2⅓ in)
  • Wingspan: 13.74 m (45 ft 1 in)
  • Height: 3.29 m (10 ft 9½ in)
  • Wing area: 28.4 m2 (305.7 ft2)
  • Empty weight: 2,315 kg (5,103 lb)
  • Gross weight: 4,085 kg (9,006 lb)
  • Powerplant: 1 × Hispano-Suiza 12Y-51, 746 kW (1,000 hp) each
  • Performance

  • Maximum speed: 476 km/h (296 mph)
  • Range: 680 km (425 miles)
  • Endurance: 2 hours
  • Service ceiling: 8,700 m (28,550 ft)
  • Rate of climb: 10.4 m/s (2,050 ft/min)
  • Armament

  • 1× 20 mm cannon and 2× 7.5 mm machine guns fixed forward firing
  • 2× 7.5 mm machine guns in rear cockpit
  • 400 kg (880 lb) bombs
  • References

    EKW C-36 Wikipedia