Cierva C.6 Airplane Videos and Airplane Pictures

Cierva C.6 Video - Picture

Warbird Picture - Cierva C.6 replica in Cuatro Vientos Air Museum, Madrid, Spain

Cierva C.6 Aircraft Information

Cierva C.6

C.6

Warbird Picture - Cierva C.6 replica in Cuatro Vientos Air Museum, Madrid, Spain

Picture - Cierva C.6 replica in Cuatro Vientos Air Museum, Madrid, Spain

Role: Autogyro
Manufacturer: Cierva
Designed by: Juan de la Cierva
First flight: March 1924
Number built: 1
Developed from: Cierva C.5

The Cierva C.6 was the sixth autogyro designed by engineer Juan de la Cierva, and the first one to travel a "major" distance. Cierva, the engineer responsible for the invention of the autogyro, had spent all his funds in the research and creation of his first five prototypes. So, in 1923, he turned to the Cuatro Vientos Aerodynamics Laboratory chief, Commander Emilio Herrera, who succeeded in persuading General Francisco Echagxe, the director of the Military Aviation Aeronautics Department, to take over the second stage in the research and development of Cierva's Autogyros.

Airplane Picture - Cierva C.6 replica engine closeup

Picture - Cierva C.6 replica engine closeup

After several wind tunnel tests, Military Aviation built a Cierva C.6 autogyro in an Avro 504 frame. This machine, piloted by Captain Joaquxn Loriga Taboada, performed three flights, all of them in March 1924. One of those flights, the eight minute trip from Cuatro Vientos airfield to Getafe airfield (10.5 km / 7 miles), was considered a giant's step and the "leap into glory" of Cierva's autogyros.

The Cierva C.6 prototype was fitted with ailerons mounted in two small wings, elevators and rudder. This complete three-axis control scheme was needed because the pilot had only limited control over the rotor (See Helicopter rotor). Only the front propeller was powered, so this aircraft could not hover, and could lose control at low speed. The vertical axis rotor spun freely; the faster the autogyro flew, the faster the rotor would spin and the greater lift it produced.

A replica of the Cierva C.6 was built to be shown in Murcia pavilion in Seville Expo '92 World's Fair. That replica can be now be seen in Museo del Aire, Cuatro Vientos, Madrid, Spain.

Variants

Cierva C.6
Prototype.
Cierva C.6A
Powered by a 82-kW (110-hp) Le Rhone 9Ja rotary piston engine.
Cierva C.6B
Cierva C.6C
Powered by a 97-kW (130-hp) Clerget rotary piston engine. Built in the United Kingdom as Avro Type 574.
Cierva C.6D
Powered by a 97-kW (130-hp) Clerget rotary piston engine. Built in the United Kingdom as the Avro Type 575.

Specifications (C.6)

General characteristics

Crew: One or two
Length: 9 m (29 ft 6 in)
Rotor diameter: 10 m (32 ft 9 ft)
Height: ()
Max takeoff weight: 900 kg (1,984 lb)
Powerplant: 1x Le Rhxne 9J 9-cylinder rotary engine with a two-bladed propeller, 82 kW (110 hp)

Performance

Maximum speed: 100 km/h (54 knots, 62 mph)

Original pictures and data of this article were taken from "Museo del Aire", Cuatro Vientos, Madrid, Spain

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Source: WikiPedia

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