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- Maxime_Laubeuf abstract "Maxime Laubeuf was a French maritime engineer of the late nineteenth century. He was born on 23 November 1864 at Poissy, Yvelines, and died on 23 December 1939 in Cannes, Alpes-Maritimes. Laubeuf was a pioneer in the design and building of submarines, and was responsible for a number of the innovations that led to modern submarine design. His work had a profound influence on the design of submersibles in the late nineteenth century and early twentieth century. Laubeuf studied at the Ecole Polytechnique, and after graduating in 1883, he joined ENSTA, the French military's school of Marine Engineering. He became an Assistant Engineer in 1887, and Engineer in 1891. During this time, he worked at Brest to the development of submersibles and designs the first modern submarines in 1904. Two years later, he left the Navy to continue building submarines in private industry. In 1896, the French government staged a design competition for a submarine of advance capabilities. They required a 200-ton vessel with a surface speed of 12 knots and a 100-mile range, with a submerged speed of 6 knots and a 10-mile range. Laubeuf's design, Narval, was the winner out of 29 entries.Laubeuf determined that to run efficiently on the surface and submerged his submarine would need two separate power systems; most designers up to that point had tried to find a single system for both, with mixed success. The high surface speed demanded made a steam system necessary for surface running, while using an electric motor underwater. He also arranged to use the surface engine to re-charge the batteries for the electric motor whilst on the surface.Laubeuf also tackled the stability problem that beset submarine designs. The rounded pressure hull necessary to withstand the pressure at depth was a poor shape for sailing, making them unhandy on the surface and unstable submerged. Laubeufs's design had a double hull; an inner, rounded, reinforced hull to resist pressure, and an outer, boat-shaped hull to make the vessel seaworthy. These innovations were a leap forward in submarine design, and were adopted by navies around the world.Laubeuf became a member of the French Naval Academy and was elected member of the French Academy of Sciences in 1920.".
- Maxime_Laubeuf birthDate "1864-11-23".
- Maxime_Laubeuf birthPlace Poissy.
- Maxime_Laubeuf birthPlace Yvelines.
- Maxime_Laubeuf birthYear "1864".
- Maxime_Laubeuf deathDate "--12-23".
- Maxime_Laubeuf deathPlace Alpes-Maritimes.
- Maxime_Laubeuf deathPlace Cannes.
- Maxime_Laubeuf deathYear "1939".
- Maxime_Laubeuf wikiPageExternalLink maxime-laubeuf-the-narval.
- Maxime_Laubeuf wikiPageExternalLink twsub1.html.
- Maxime_Laubeuf wikiPageID "26098691".
- Maxime_Laubeuf wikiPageLength "3387".
- Maxime_Laubeuf wikiPageOutDegree "24".
- Maxime_Laubeuf wikiPageRevisionID "682991707".
- Maxime_Laubeuf wikiPageWikiLink Académie_de_Marine.
- Maxime_Laubeuf wikiPageWikiLink Alpes-Maritimes.
- Maxime_Laubeuf wikiPageWikiLink Brest,_France.
- Maxime_Laubeuf wikiPageWikiLink Cannes.
- Maxime_Laubeuf wikiPageWikiLink Category:1864_births.
- Maxime_Laubeuf wikiPageWikiLink Category:1939_deaths.
- Maxime_Laubeuf wikiPageWikiLink Category:French_engineers.
- Maxime_Laubeuf wikiPageWikiLink Category:Members_of_the_French_Academy_of_Sciences.
- Maxime_Laubeuf wikiPageWikiLink Category:Naval_architecture.
- Maxime_Laubeuf wikiPageWikiLink Category:People_from_Poissy.
- Maxime_Laubeuf wikiPageWikiLink Category:Submarine_pioneers.
- Maxime_Laubeuf wikiPageWikiLink Category:École_Normale_Supérieure_faculty.
- Maxime_Laubeuf wikiPageWikiLink Category:École_Polytechnique_alumni.
- Maxime_Laubeuf wikiPageWikiLink ENSTA.
- Maxime_Laubeuf wikiPageWikiLink ENSTA_ParisTech.
- Maxime_Laubeuf wikiPageWikiLink Ecole_Polytechnique.
- Maxime_Laubeuf wikiPageWikiLink French_Academy_of_Sciences.
- Maxime_Laubeuf wikiPageWikiLink French_Navy.
- Maxime_Laubeuf wikiPageWikiLink French_submarine_Narval.
- Maxime_Laubeuf wikiPageWikiLink Knot_(unit).
- Maxime_Laubeuf wikiPageWikiLink Poissy.
- Maxime_Laubeuf wikiPageWikiLink Submarine.
- Maxime_Laubeuf wikiPageWikiLink Yvelines.
- Maxime_Laubeuf wikiPageWikiLink École_Polytechnique.
- Maxime_Laubeuf wikiPageWikiLinkText "Laubeuf".
- Maxime_Laubeuf wikiPageWikiLinkText "Maxime Laubeuf".
- Maxime_Laubeuf dateOfBirth "1864-11-23".
- Maxime_Laubeuf dateOfDeath "--12-23".
- Maxime_Laubeuf hasPhotoCollection Maxime_Laubeuf.
- Maxime_Laubeuf name "Laubeuf, Maxime".
- Maxime_Laubeuf placeOfBirth "Poissy, Yvelines, France".
- Maxime_Laubeuf placeOfDeath "Cannes, Alpes-Maritimes, France".
- Maxime_Laubeuf shortDescription "Maritime engineer".
- Maxime_Laubeuf wikiPageUsesTemplate Template:Persondata.
- Maxime_Laubeuf wikiPageUsesTemplate Template:Reflist.
- Maxime_Laubeuf description "Maritime engineer".
- Maxime_Laubeuf description "Maritime engineer".
- Maxime_Laubeuf subject Category:1864_births.
- Maxime_Laubeuf subject Category:1939_deaths.
- Maxime_Laubeuf subject Category:French_engineers.
- Maxime_Laubeuf subject Category:Members_of_the_French_Academy_of_Sciences.
- Maxime_Laubeuf subject Category:Naval_architecture.
- Maxime_Laubeuf subject Category:People_from_Poissy.
- Maxime_Laubeuf subject Category:Submarine_pioneers.
- Maxime_Laubeuf subject Category:École_Normale_Supérieure_faculty.
- Maxime_Laubeuf subject Category:École_Polytechnique_alumni.
- Maxime_Laubeuf hypernym Engineer.
- Maxime_Laubeuf type Agent.
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- Maxime_Laubeuf comment "Maxime Laubeuf was a French maritime engineer of the late nineteenth century. He was born on 23 November 1864 at Poissy, Yvelines, and died on 23 December 1939 in Cannes, Alpes-Maritimes. Laubeuf was a pioneer in the design and building of submarines, and was responsible for a number of the innovations that led to modern submarine design. His work had a profound influence on the design of submersibles in the late nineteenth century and early twentieth century.".
- Maxime_Laubeuf label "Maxime Laubeuf".
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- Maxime_Laubeuf givenName "Maxime".
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- Maxime_Laubeuf name "Laubeuf, Maxime".
- Maxime_Laubeuf name "Maxime Laubeuf".
- Maxime_Laubeuf surname "Laubeuf".