'ni.u]; 21 September 1895 in Murcia, Spain – 9 December 1936 in Croydon, United Kingdom) was a Spanish civil engineer, pilot and aeronautical engineer. Before this could be satisfactorily achieved, De la Cierva experienced several failures primarily associated with the unbalanced rolling movement generated when attempting take-off, due to asymmetry of lift between the advancing and retreating blades. His most famous accomplishment was the invention in 1920 of the Autogiro, a single-rotor type of aircraft that came to be called autogyro in the English language. Juan de la Cierva y Codorníu (1895 1936), neveu du suivant et inventeur espagnol de l autogire ; Juan de la Cierva y Peñafiel (1864 1938), avocat et homme… …   Wikipédia en Français, Juan de la Cierva — autogyro …   Inventors, Inventions, Juan de la Cierva y Codorníu — Saltar a navegación, búsqueda «Juan de la Cierva» redirige aquí. This phenomenon was already known,[1] and was available as a safety feature to allow controlled descent in the event of engine failure. The most acceptable solution was finally achieved with the C.19, which was produced in some quantities; a direct drive from the engine to the rotor was fitted, through which the rotor could be accelerated up to speed. In order to achieve this, he utilised the ability of rotor to autorotate, whereby at a suitable pitch setting, a rotor will continue to rotate without mechanical drive, sustained by the torque equilibrium of the lift and drag forces acting on the blades. The system was then declutched prior to executing the take-off run. Continuing to use this site, you agree with this. The understanding that he established is applicable to all rotor-winged aircraft. Roe Company. Cierva-type autogiros were used widely in France, Germany, Japan, and the United States prior to World War II, when they were supplanted by helicopters. Juan de la Cierva. Template:Spanish name The Most Illustrious. OCIII. He was born in 1895 and died in 1936. Cierva was born in 1895 to a wealthy family in Spain. The resolution of these fundamental rotor problems opened the way to progress, confidence built up rapidly, and after several cross country flights a C.8L4 was entered for the 1928 Kings Cup Air Race. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Aerospace engineering, field of engineering concerned with the design, development, construction, testing, and operation of vehicles operating in the Earth’s atmosphere or in outer space. Born: Juan de la Cierva y Codorníu 21 September 1895. Related biographies. The Avro built C.8 was a refinement of the C.6, with the more powerful 180hp Lynx radial engine, and several C.8s were built. This article was most recently revised and updated by Amy Tikkanen, Corrections Manager. Juan de la Cierva | The inventor of autogyro, early helicopters A civil engineer, the pioneer of helicopters. Para otras acepciones, véase Juan de la Cierva (desambiguación). In 1936, the Cierva Autogiro Company, Ltd., responded to a British Air Ministry specification for a Royal Navy helicopter with the gyrodyne. Cierva was killed in an airliner crash at the Croydon aerodrome, near London. After delay caused by heavy fog the airliner took off at about 10:30 am but drifted slightly off course after takeoff and exploded after flying into a house on gently riding terrain at the south of the airport. Juan de la Cierva y Codorníu (1895 1936), neveu du suivant, inventeur espagnol de l autogire ; Juan de la Cierva y Peñafiel (1864 1938), avocat et… …   Wikipédia en Français, Juan de la Cierva — y Codorníu (Murcia España, 21 de septiembre de 1895, Croydon, Inglaterra, 19 de diciembre de 1936).Hijo del abogado, político y empresario D. Juan de la Cierva y Peñafiel. Our editors will review what you’ve submitted and determine whether to revise the article. BIOGRAFIA CONCLUSIONS Juan de la i Codorniu, va nèixer a Múrcia el 21 de setembre de 1894. i va morir al Regne Unit el 9 de desembre de 1936 (41-42 anys) L'AUTOGIR JUAN DE LA CIERVA DESPRÉS DE LA UNIVERSITAT Oriol Mas MODELS DE L'ATOGIR Juan de la cierva, després de la By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Ende 1936 veröffentlichte Juan de la Cierva die Publikation „Theory of Stresses on Autogiro Rotor Blades“. With De la Cierva's autogiro, the rotor was drawn through the air by means of conventional propeller, with the result that the rotor generated sufficient lift to sustain level flight, climb and descent. Ingeniero y aviador español. The introduction of jump take-off was another major improvement in capability. Juan de la Cierva : biography 21 September 1895 – 9 December 1936 Juan de la Cierva y Codorníu, 1st Count of De La Cierva ( Murcia, Spain 21 September 1895 – Croydon, England 9 December 1936) was a Spanish civil engineer, pilot and aeronautical engineer. Cierva-type autogiros were used widely in France, Germany, Japan, and the United States prior to World War II, when they were supplanted by helicopters. His most famous accomplishment was the invention in 1920 […] It was based upon an Avro 504K fuselage, initial rotation of the rotor was achieved by the rapid uncoiling of a rope passed around stops on the undersides of the blades. Juan de la Cierva made several pivotal breakthroughs that helped solve the stability and control problems of early rotorcraft. It is perhaps an ironic twist of fate that De la Cierva should die in an airliner accident in Croydon at the age of 41. 12246951, citing Cementerio de la Almudena, Madrid, Provincia de Madrid, Madrid, Spain ; Maintained by Find A Grave . Autogiros were built in many countries under De la Cierva licences, including France, Germany, Japan, Russia and USA. Juan de la Cierva y Codorníu 21 September 1895 Murcia, Spain: Died: 9 December 1936 (aged 41) Croydon, United Kingdom: Cause of death: Aviation accident: Resting place: La Almudena Cemetery, Madrid, Spain: Nationality: Spanish: Alma mater: Escuela Especial de Ingenieros de Caminos, Canales y Puertos: Occupation: Civil engineer, aviator, inventor - Al estallar la guerra civil, Juan De by Berkay Alpkunt 25 September 2019, 22:11 The crash of his trimotor plane in 1919 led him to develop the autogiro as a more stable form of aircraft. The aviation pioneer died in a plane crash. Juan de la Cierva: | | | ||The Right Honorable|| The Count of De La Cier... World Heritage Encyclopedia, the aggregation of the largest online encyclopedias available, and the … The C.8R incorporated drag hinges, due to blade flapping motion causing high blade root stresses in the rotor plane of rotation; this modification, however, resulted in other problems such as ground resonance for which drag hinge dampers were fitted. Omissions? Cierva used a flexible hinge to attach the blades to a shaft. Cierva was killed in an airliner crash at the Croydon aerodrome, near London. This pioneering work was carried out in De la Cierva's native Spain. Juan de la Cierva, born September 21, 1895, Murcia, Spain, was an aeronautical engineer who invented an aircraft in which lift is provided by freely rotating rotors. Between 1912 and 1919 he designed and built gliders and airplanes. Cause of death: Aviation accident. Juan de la Cierva — «Juan de la Cierva» redirige aquí. Juan de la Cierva dies Wednesday, December 9, 1936 This is a Notable People milestone. Abogado y político español, fue ministro de… …   Wikipedia Español, Juan de la Cierva y Penafiel — Juan de la Cierva y Peñafiel Pour les articles homonymes, voir De la Cierva. Juan de la Cierva (21 September 1895 -- 9 December 1936) born in Murcia, Spain to a wealthy family, was a Spanish civil engineer and pilot. His most famous accomplishment was the invention in 1920 of the Autogiro, a single-rotor type of aircraft that came to be called autogyro in the English language. As De la Cierva's autogiros achieved success and acceptance, others began to follow and with them came further innovation. De La Cierva's death in an aeroplane crash prevented him from fulfilling his plans to build a useful and reliable aircraft capable of hovering but it was his technology and the vision outlined in his writings and speeches that was used to achieve this goal shortly after his death. Cortometraje finalista de la XII edición de Jameson Notodofilmfest dirigido por Asier Urbieta, The first production direct control autogiro was the C.30, produced in quantity by Avro, Liore et Olivier, and Focke-Wulf. Juan de la Cierva y Codorníu was a Spanish aeronautical and civil engineer, and pilot who is famous for the invention of the autogyro, the precursor to the helicopter. He died in a plane crash at Croydon airfield, UK. De la Cierva started building aircraft as early as 1912, and in 1919 he started to consider the use of a rotor to generate lift at low airspeed, and eliminate the risk of stall. He was born on September 21, 1895. Juan de la Cierva. Later that year it flew from London to Paris, extending the tour to include Berlin, Brussels and Amsterdam, thus becoming the first rotating wing aircraft to cross the English Channel. Para otras acepciones, véase Juan de la Cierva (desambiguación). Description: Autogiro pioneer. September 1895 in Murcia; † 19. After four years of experimentation, De la Cierva developed the articulated rotor which resulted in the world's first successful flight of a stable rotary-wing aircraft in 1923 with his C.4 prototype. From the outset De la Cierva concentrated upon the design and the manufacture of rotor systems, relying on other established aircraft manufacturers to produce the airframes, predominantly the A.V. As a direct result, and with the assistance of the Scottish industrialist James G Weir, the Cierva Autogiro Company, Ltd., was formed the following year. Corrections? In 1958 the first definition of aerospace engineering appeared, considering the Earth’s atmosphere and the…. On December 9, 1936, the DC-2 from the company KLM that was transporting De la Cierva to Amsterdam crashed after takeoff from the Croydon airport, in London. Although trained as a civil engineer, Cierva became interested in aviation early in his youth. His innovations led to the Cierva C.38 Gyrodyne, which utilized a powered rotor for hovering and low speed flight, and a side-mounted propeller for torque correction and propulsion in cruise flight. His brother was killed by the Republican army in Paracuellos del Jarama. De la Cierva remained in the aforementioned Embassy until the date of his death, the scarcity of medicines and deprivation that was submitted, because of the war; they caused his health was shattered and died at the age of seventy-four years, on January 11, 1938. This article was most recently revised and updated by, https://www.britannica.com/biography/Juan-de-la-Cierva, Famous Inventors - Biography of Juan de la Cierva, Airbus Helicopters - ROTOR on line - Biography of Juan de la Cierva. A predominant problem with the autogiro was driving the rotor prior to takeoff. In 1923, De la Cierva's first successful Autogiro was flown in Spain by Lt. Gomez Spencer. Dezember 1936 in der Nähe von London) war ein spanischer Ingenieur und Luftfahrtpionier. Juan de la Cierva y Codorníu Retrato de Juan de la Cierva y Codorníu …   Wikipedia Español, Juan De La Cierva —  Cette page d’homonymie répertorie les différentes personnes partageant un même nom. Juan de la Cierva y Codorníu, 1st Count of De La Cierva (21 September 1895 – 9 December 1936) was a Spanish civil engineer, pilot and aeronuatical engineer.His most famous accomplishment was the invention in 1920 of the Autogiro, a single-rotor type of aircraft that came to be called autogyro in the English language. In 1925 he brought his C.6 to England and demonstrated it to the Air Ministry at Farnborough, Hampshire. This machine had a four blade rotor with flapping hinges but relied upon conventional airplane controls for pitch, roll and yaw. Pequeño colegio pero grandes personas. Although forced to withdraw, the C.8L4 subsequently completed a 4,800 km (3,000 mi) tour of the British Isles. A Spanish inventor is Juan de la Cierva. 281 likes. Source: Wikipedia. OK, http://www.centennialofflight.gov/essay/Rotary/early_20th_century/HE2.htm, U.S. Centennial of Flight - Juan de la Cierva, Metrostation in Madrid - La estación de Juan de la Cierva, "It is Easy to Fly Autogiro Declares Inventor", Escuela Especial de Ingenieros de Caminos, Canales y Puertos, De La Cierva Cornodíu, Juan; De La Cierva y Cornodíu, Juan, Aviators killed in aircraft crashes in the United Kingdom, Fellows of the Royal Aeronautical Society. Several methods were attempted in addition to the coiled rope system, which could take the rotor speed to 50% of that required, at which point movement along the ground to reach flying speed was necessary, while tilting the rotor to establish autorotation. Technology developed for the autogyro was used by experimenters in the development of the Fw 61, which was flown in 1936 by Cierva Autogiro Company licensee Focke-Achgelis. Though De la Cierva's initial motivation was to produce an aircraft that could not stall, towards the end of his life he accepted the advantages offered by the helicopter. Juan de la Cierva y Codorníu, 1st Count of la Cierva (Spanish pronunciation: ['xwan de la '?je?ßa i koðo? As a fatal irony, it was not in one of his own safer aircraft, but rather in a conventional airplane. The Count of De La Cierva; Born: Juan de la Cierva y Codorníu September 21, 1895 Murcia, Spain: Died: December 9, 1936 (aged 41) Croydon, United Kingdom: Cause of death: Aviation accident: Resting place: La Almudena Cemetery, Madrid, Spain: Nationality: Spanish: Alma mater: Escuela Especial de Ingenieros de Caminos, Canales y Puertos: Occupation Dezember 1936, im Alter von nur 41 Jahren beim Absturz eines KLM -Linienflugzeugs vom Typ Douglas DC-2 , kurz nach dem Start von Croydon Airport bei London. Creador del autogiro. Juan de la Cierva at the Lasarte Airfield in 1930. Desde su infancia… …   Enciclopedia Universal, Juan de la Cierva — Portrait von Juan de la Cierva y Codorniu Juan de la Cierva y Codorniu (* 21. Most important was the development of direct rotor control through cyclic pitch variation, achieved initially by tilting the rotor hub and subsequently by Raoul Hafner by the application of a spider mechanism that acted directly on each rotor blade. Juan de la Cierva y Codorníu …   Wikipedia Español, Juan de la Cierva y Peñafiel — «Juan de la Cierva» redirige aquí. Juan de la Cierva y Codorníu, 1st Count of la Cierva (Spanish pronunciation: [ˈxwan de la ˈθjeɾβa i koðoɾˈni.u]; 21 September 1895 in Murcia, Spain – 9 December 1936 in Croydon, United Kingdom) was a Spanish civil engineer, pilot and aeronautical engineer. De la Cierva was born in Murcia, Spain to a wealthy family. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. He moved to England in 1925, where with the support of Scottish industrialist James G. Weir, he established the Cierva Autogiro Company. After several successful experiments with aviation as a boy, he eventually earned a civil engineering degree. In 1923 at Getafe, Spain, he made his first successful flight in an autogiro, and in 1925 he went to England to continue his work. De la Ciervas Forschungen haben maßgeblich zur… …   Deutsch Wikipedia, Juan de la Cierva —  Cette page d’homonymie répertorie différentes personnes partageant un même nom. Juan de la Cierva. On the morning of 9 December 1936, he boarded a Dutch DC-2 of KLM at Croydon Airfield, bound for Amsterdam. The C.40 was the first production jump takeoff Autogiro. Er starb kurz danach, am 9. At the outbreak of the Spanish Civil War, De la Cierva supported the forces of Francisco Franco, helping the rebels to obtain the De Havilland DH-89 'Dragon Rapide' which flew General Franco from the Canary Islands to Spanish Morocco. Another approach was to tilt the tail stabiliser to deflect engine slipstream up through the rotor. This was followed by the development of the Fairey Gyrodyne, first flown in 1948, proving Cierva's argument that such an aircraft would be superior to a helicopter, which he regarded as excessively complex. Updates? De la Cierva’s work on rotor dynamics and control made possible the modern helicopter, whose development as a practical means of flight had been prevented by these problems. Let us know if you have suggestions to improve this article (requires login). He was interested in aviation as a boy and experimented with gliders from a young age. Juan de la Cierva y Peñafiel (Mula, Murcia, (1864-03-11)March 11, 1864 - (1938-01-11)January 11, 1938) was a Spanish politician and lawyer, who served during the reign of Alfonso XIII as Minister of Public Instruction and Fine Arts, of the Interior, of War, and of Finance and Development, and in the last government of the monarchy as Minister of Development. Juan de la Cierva, in full Juan de la Cierva Codorniu, (born September 21, 1895, Murcia, Spain—died December 19, 1936, London, England), Spanish aeronautical engineer who invented the autogiro, an aircraft in which lift is provided by a freely rotating rotor and which served as the forerunner of the helicopter. Died: December 9, 1936 (1936-12-09) (aged 41) Croydon, United Kingdom. It served as a model for the helicopter. Source: "80 Years of the Autogiro: Cierva, Pitcairn and the Legacy of Rotary-Wing Flight", Bruce H. Charnov, VERTIFLITE Fall 2003, Pages 36-39. He invented the autogiro. As a direct result, and with the assistance of the Scottish industrialist James G Weir, the Cierva … The loss of torque caused the blades to swing forward on angled drag hinges with a resultant increase in collective pitch, causing the aircraft to leap into the air. This major difficulty was resolved by the introduction of the flapping hinge. Biography Juan de la Cierva (Cierva Juan de la) (1895-1936) Creator autogyro aircraft heavier than air, in which the lift created by a large rotor, located above the fuselage and rotating under the … The Farnborough demonstration was a great success, and resulted in an invitation to continue the work in the UK. Para otras acepciones, véase Juan de la Cierva (desambiguación). With all the engine power now applied to the forward thrusting propeller, it was now possible to continue in forward flight with the rotor in autorotation. Juan de la Cierva y Peñafiel (* Mula, 11 mars 1864 † Madrid, 11 janvier 1938) était un …   Wikipédia en Français, Juan de la Cierva (Getafe) — Juan de la Cierva Datos País …   Wikipedia Español, We are using cookies for the best presentation of our site. Juan de la Cierva y Codorníu, 1st Count of De La Cierva was a Spanish civil engineer, pilot and aeronautical engineer. Juan de la Cierva y Codorníu, 1st Count of De La Cierva (21 September 1895 – 9 December 1936) was a Spanish civil engineer, pilot and aeronuatical engineer. Born: Juan de la Cierva y Codornx u September 21, 1895 (1895-09-21) Murcia, Spain. The rotor was accelerated in no-lift pitch until the rotor speed required for flight was achieved, and then declutched. Juan de la Cierva y Peñafiel (Mula, Murcia, 11 de marzo de 1864 † Madrid, 11 de enero de 1938). Ne doit pas être confondu avec Juan de la Cierva y Codorníu. Juan de la Cierva Biografía - Nació en Murcia 21-9-1895 Hijo de familia importante . After Juan de la Cierva’s tragic death in the crash of a KLM DC2 at Croydon Airfield on December 9, 1936, many who had known him rendered tributes to his vision. The Count of la Cierva. From Wikipedia, the free encyclopedia. Juan de la Cierva, Palma de Mallorca, Spain. Desde su infancia destacó su interés por el mundo de la aviación, y junto a su amigo Tomás de Martín-Barbadillo construyó pequeños modelos capaces de volar. Find a Grave, database and images (https://www.findagrave.com: accessed ), memorial page for Juan De La Cierva (21 Sep 1895–9 Dec 1936), Find a Grave Memorial no. Juan de la Cierva : biography 21 September 1895 – 9 December 1936 The Farnborough demonstration was a great success, and resulted in an invitation to continue the work in the UK. Juan De la Cierva (21 September 1895 – 9 December 1936) was a Spanish Civil Engineer and pilot. Navigate parenthood with the help of the Raising Curious Learners podcast. Juan de la Cierva died on 1936-12-09. Juan de la Cierva.

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