EKW C-35

EKW C-35
Country	Swiss
Role	Reconnaissance and ground-attack aircraft
First flight	1930s
Built	90

The EKW C-35 was a 1930s Swiss two-seat reconnaissance biplane aircraft built by the Swiss Federal Construction Works (Eidgenoessische Konstruktionswerkstaette, K+W), Thun. Two aircraft were designed by the Eidgenössische Konstruktions Werkstätte to replace the Fokker C.Ve which the Swiss Air Force were using. The two projects were the EKW C-35 biplane and the EKW C-36 monoplane. After evaluation the air force ordered 40 C-35s in 1936. Additional aircraft were built from spares. The C-35 was a two-seat biplane with fixed tailwheel landing gear and conventional tail unit. The aircraft was powered by a Hispano-Suiza HS-77 V-12 piston engine (licence-built Hispano-Suiza 12Ycrs).

Source: EKW C-35 on Wikipedia

EKW C-35 Walk Around
Photographer	Ales Pavias
Localisation	Unknow
Photos	13

EKW C-35 1

EKW C-35 2

EKW C-35 3

EKW C-35 5

EKW C-35 4

EKW C-35 7

EKW C-35 6

EKW C-35 8

EKW C-35 9

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General Characteristics

The EKW C-35 was a Swiss two-seat reconnaissance and ground-attack biplane built by the Eidgenössische Konstruktionswerkstätte (EKW) in the mid-1930s to replace the aging Fokker C.V-E. Although a biplane design was already becoming obsolete when it was ordered, it formed the backbone of the Swiss Air Force’s reconnaissance and light bombing capability during the crucial early years of World War II, defending Swiss neutrality before being replaced by the monoplane C-36 series.

Property	Typical Value (C-35)
Role	Reconnaissance / Light Ground-Attack
Manufacturer	EKW (Eidgenössische Konstruktionswerkstätte)
In Service	1937–1954
Crew	2 (Pilot and Observer/Rear Gunner)
Length	9.54 m (31 ft 3.5 in)
Wingspan	13.08 m (42 ft 11 in)
Max Takeoff Weight	3,130 kg (6,900 lb)

Design and Powerplant

Engine: One Hispano-Suiza HS-77 V-12 liquid-cooled piston engine (a license-built Hispano-Suiza 12Ycrs).
Power Output: Approximately 642 kW (860 hp).
Design Features: Biplane configuration with fixed main and tailwheel landing gear. It was designed to perform reconnaissance and light bombing from level flight and dive attacks.
Development Context: It was developed alongside the more modern C-36 monoplane, which eventually replaced it in front-line service.
Later Role: After being withdrawn from front-line service in 1943, many aircraft were converted for night-flying duties (C-35-1 variant) until their final retirement in 1954.

Performance and Armament

Maximum Speed: Up to 335 km/h (208 mph, 181 knots).
Service Ceiling: 8,000 m (26,247 ft).
Range: Approximately 750 km (466 mi, 405 nmi).
Rate of Climb: 11.51 m/s (2,265 ft/min).
Fixed Armament:
- Forward: One 20 mm Oerlikon cannon (firing through the propeller hub).
- Wings: Two fixed forward-firing 7.5 mm machine guns in the wings.
- Rear: One flexible 7.5 mm machine gun in the rear cockpit for the observer.
Ordnance: Carried up to 100 kg (220 lb) of bombs on underwing racks.