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Société des Avions Marcel Bloch

From Wikipedia, the free encyclopedia
1929–1935 aircraft manufacturer in France
Société des Avions Marcel Bloch
IndustryAeronautics,defence
Founded1929
FounderMarcel Bloch
Defunct1947
FateMerged
SuccessorSociété des avions Marcel Dassault
Headquarters,
France
ProductsAircraft
Bloch MB.200 in flight

TheSociété des Avions Marcel Bloch was a Frenchaircraft manufacturer of military and civilian aircraft. It was founded by the aeronautical designerMarcel Bloch (hence "MB" in the aircraft designations), who had previously played a major role in theSociété d'Études Aéronautiques, an early French aircraft manufacturer active largely during theFirst World War.

Following the end of theSecond World War, Marcel Bloch changed his name toMarcel Dassault (as inchar d'assault, French for "tank") to honour themilitary nickname adopted by his brother,Darius Paul Dassault. Accordingly, the company was also rebranded asDassault Aviation, becoming a prominent manufacturer ofjet-powered aircraft such as theDassault Mirage fighter series and theDassault Falcon family of business aircraft.

History

[edit]

The origins of the company are closely associated with the activities of its founder, the French aeronautical designerMarcel Bloch.[1] Having previously been a senior figure in theSociété d'Études Aéronautiques, an aircraft manufacturing company that produced largely numbers of aircraft for the French military during theFirst World War, Bloch had considerable experience in the field prior to founding his own company; however, due to a lack of support from the French Government's aircraft manufacturing department to support the nation's manufacturers following the conflict's end and an associated downturn in aviation sales, Bloch had temporarily withdrawn from the sector during the late 1910s in favour of thereal estate business.[1]

During 1928, the French state established a dedicatedAir Ministry, signalling that government interest in the aviation sector had returned.[1] In response, Bloch decided to found his own company, theSociété des Avions Marcel Bloch, to resume aviation activities within. A key early order for Bloch was issued by the French engineerAlbert Caquot, who sought a tri-engined aircraft suitable forpostal services.[1]

During late 1931, the company received its first order from a French government entity.[1] Accordingly, manufacturing activity commenced on both theMB.80, a single-engined aircraft orientated towardsMEDEVAC operations, and theMB.120, a three-engined 10-passenger colonial transport aircraft, on behalf of theFrench Air Force. In response to rising demand for the company's produced, Marcel Bloch restructured the business, establishing separate design and manufacturing departments, while additional premises in the form of a garage inBoulogne were also arranged.[1] During September 1932, for the purpose of manufacturing both production aircraft and future prototypes, Bloch also rented larger premises inCourbevoie.[1]

By 1934, Marcel Bloch recognised that France's aviation industry was approaching a manufacturing crisis, having anticipating shortcomings in production capacity and capabilities.[1] Seeking additional capacity, Bloch reached an agreement with the aviation industrialist and past business associateHenry Potez, who owned the largest aviation company in France at the time. During January 1935, the two men cooperated to purchase another aircraft manufacturer, theSociété Aérienne Bordelaise (SAB) which, as theSociété Aéronautique du Sud-Ouest (SASO), was responsible for manufacturing both theMB.200 andMB.210 bombers.[1] Separately, Bloch and Potez also purchased the majority of the shares of theSociété des Moteurs et Automobiles Lorraine (SMAL) company.[1]

The 1930s was a time of considerable social upheaval in France; seeking positive relations with influentialtrade unions, Bloch engaged directly with their representatives, leading to numerous additional benefits being granted to the company's employees, such as a week's paid leave from 1935.[1] One year later, France'sPopular Front-led government issued a policy permitting two weeks’ paid holidays per year; in response, Bloch employees were given three weeks paid holiday per year. On 17 July 1936, the French government issued a new law thatnationalised the nation's armament industry; this development heavily impacted for private aircraft companies as many were forcibly acquired and merged.[1] That year saw the creation of seven nationalised aeronautical manufacturing companies: six for aircraft (SNCASE, SNCASO,SNCAN,SNCAO,SNCAM,SNCAC), and one for aircraft engines (SNCM -Lorraine-Dietrich).[2]

On 16 January 1937, the Société des Avions Marcel Bloch was formally nationalised; its assets, including its factories at Courbevoie, Châteauroux-Déols, Villacoublay, Bordeaux, formed a major portion of the newly establishedSociété nationale de constructions aéronautiques du Sud-Ouest (SNCASO).[1] Marcel Bloch was requested by the Minister for Air,Pierre Cot, to serve as the company's delegated administrator. While he had effectively lost ownership, and much of the control, of his company, Bloch was initially given a relatively free hand in the management of the development workshop.[1] This independence was later curtailed via amendments to the original nationalisation act.[1]

During 1937, the French Government, recognising the looming threat of anotherWorld War with neighbouringNazi Germany, launched a rearmament programme.[1] Accordingly, the production of large numbers of capable combat aircraft to meet the challenge of the rapidly-expandingLuftwaffe was therefore a major national priority. The company's designs, such as theMB.150 single-engined fighter and theMB.170 twin-engined bomber, were amongst those aircraft produced to meet this demand.[1] As well as entire aircraft, the production of propellers was a major undertaking of the firm, as they were procured by various other French manufacturers for their own aircraft. Both Bloch and Potez were active in efforts to expand manufacturing capacity, leading to purchasing of land inSaint-Cloud (the western suburbs ofParis) for the construction of a new factory in 1938.[1]

Following the outbreak of theSecond World War during early September 1939, France's aeronautics manufacturing efforts reached a frantic pace, trying to satisfy the rapid order of thousands of airplanes, many of which had been placed too late to be fulfilled prior to the start of serious fighting in Western Europe.[1] During the early months of the conflict, commonly referred to asPhoney War, Bloch accelerated production while endeavouring to achieve ever-greater performance from a series of rushed prototypes. On 15 February 1940, Marcel Bloch discontinued his involvement with SNCASO following a dispute with the French Air Ministry.[1] Following theBattle of France and theArmistice of 22 June 1940 marking France's surrender, the French aviation industry, including all equipment, stocks and industrial establishments, were turned over intact to Germany. Accordingly, the French aviation industry was virtually disbanded in near-totality and aircraft manufacturing effectively ceased.[1]

During this period, Marcel Bloch wasinterned byVichy France officials, while endeavours were made by the company to preserve its remaining interests, leading to the appointment of a board of directors, the issuing ofarticles of association, and Marcel Bloch's installation of chairman on 31 December 1940.[1] Despite pressure to collaborate, Marcel repeatedly refused to cooperate with the Germans. In response, the Germans requisitioned the Saint-Cloud factory, placing its manufacturing activity under the control of theJunkers aviation company.[1]

Following the liberation of theBuchenwald concentration camp on 11 April 1945, Marcel Bloch was freed from German captivity.[1] However, by the end of the Second World War, the majority of France's aeronautical industrial facilities had been reduced to ruins, while its design offices had been dispersed. Bloch, remaining confident in the demand for commercial aviation in the newpostwar era, was keen to relaunch his company. Accordingly, it was rebranded asDassault Aviation.[1]

Aircraft models

[edit]

Military

[edit]
  • MB.80 & MB.81, air ambulance, 1932 (first flight)
  • MB.200, bomber, 1933[3]
    • MB.201, prototype version powered by two Hispano-Suiza 12Ybrs engines
    • MB.202, prototype version powered by four Gnome-Rhône 7Kdrs engines
    • MB.203, prototype version powered by two Clerget 14F diesel engines
  • MB.210, bomber, successor of the MB.200, 1934
    • MB.211Verdun, prototype with retractable landing gear and powered by two Hispano-Suiza 12Y engines, 1935
    • MB.212, MB.211 re-engined with Hispano-Suiza 14A engines
    • MB.218, four-seat seaplane bomber project, 1937
  • MB.130, reconnaissance bomber, prototype for MB.131, 1934
    • MB.131, reconnaissance-bomber, improved MB.130, 1936[4]
    • MB.133, prototype with revised tail, 1937
    • MB.134, prototype with two Hispano-Suiza 14AA engines, 1937
    • MB.135, four-engine derivative of the MB.131, 1939
  • MB.150, fighter, prototype for MB.151, 1937
    • MB.151, initial production version, powered by a Gnome-Rhône 14N-35 engine
    • MB.152, version powered by a Gnome-Rhône 14N-25 engine
    • MB.153, prototype version powered by a Pratt & Whitney R-1830 Twin Wasp engine
    • MB.154, proposed version powered by a Wright R-1820 Cyclone engine, not built
    • MB.155, version powered by a Gnome-Rhône 14N-49 engine
    • MB.156, proposed version powered by a Gnome-Rhône 14R engine, not built
    • MB.157, prototype advanced version, converted from a MB.152 and powered by a Gnome-Rhône 14R-4 engine
  • MB.170 reconnaissance/bomber, 1938
    • MB.174, version powered by Gnome-Rhône 14N-49 engines
    • MB.175, bomber version with redesigned bomb bay
    • MB.176, version powered by Pratt & Whitney R-1830-SC3-G Twin Wasp engines
    • MB.177, prototype version powered by Hispano-Suiza 12Y-31 engines
    • MB.178, proposed development, cancelled due to arrival of the Germans
  • MB.462, c.1938
  • MB.500, monoplane trainer, 1938
  • MB.690, c.1938
  • MB.730, c.1938
  • MB.480, torpedo bomber/reconnaissance floatplane, 1939
  • MB.162, four-engine, long-range bomber developed from the MB.160, 1940
  • MB.800, three-seat trainer/mailplane, 1940; one aircraft completed during WWII as the Sud-Ouest SO.80
  • MB.700, monoplane interceptor, 1941

Civilian

[edit]
  • MB.60, trimotor mailplane, 1930; initially known as the MB.VI
    • MB.61, version with Lorraine 5Pc engines
  • MB.90, light aircraft, 1932; first French all-metal aircraft
    • MB.91, as MB.90 but with rounded tailfin, diverging wing struts and faired-in landing gear; never flown
    • MB.92Grande Tourisme, similar to the MB.91 but with tandem seating, 1932
    • MB.93, modified MB.90 with a de Havilland Gipsy Major I engine and MB.91 landing gear, tailfin and struts
    • MB.100, four-seat development, powered by a Hispano-Suiza 5Q engine
  • MB.110, mailplane, 1933
  • MB.120, three-engine transport/airliner developed from the MB.71, 1932
  • MB.141 two-seat light aircraft derived from the MB.81, 1934
  • MB.160, high-speed, four-engine airliner, 1937
  • MB.220, twin-engine airliner, 1935[5]
    • MB.221, six surviving MB.220s re-engined with Wright R-1820-97 Cyclone engines
  • MB.300Pacifique, three-engine airliner, 1935
  • MB.161, four-engine airliner developed from the MB.160, 1939; produced postwar as the SNCASE SE.161 Languedoc

References

[edit]
  1. ^abcdefghijklmnopqrstuvwxy"History: 1916-1945".Dassault Aviation. Retrieved13 April 2020.
  2. ^Hartmann, Gérard (15 January 2005),Les réalisations de la SNCASE(PDF) (in French), retrieved15 July 2009,Alors qu'on ne sait pas très clairement si les sociétés nationales sont des « usines de production de guerre » sans indépendance et sans bureau d'études, la SNCASE est officiellement formée le 1er février 1937.
  3. ^"Military Bloch aircraft : MB 200"Archived 2008-11-19 at theWayback Machine.Dassault Aviation. Retrieved 26 January 2016.
  4. ^Green, William. War Planes of the Second World War: Volume Seven Bombers and Reconnaissance Aircraft. London: Macdonald, 1967, p. 98
  5. ^MB 220-221

External links

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