{"product_id":"lorraine-dietrich-12db-12eb-engine-manuals","title":"Lorraine-Dietrich 12Db \/ 12Eb — 400 \/ 450 HP Engine Manuals Collection","description":"\u003cp\u003eA focused historical engine-manual collection containing four Lorraine-Dietrich manuals covering the 12Db and 12Eb liquid-cooled 12-cylinder aircraft engines, including the 400 hp V-12 and 450 hp W-12 “broad arrow” configurations.\u003c\/p\u003e\u003ch2\u003eHistorical note\u003c\/h2\u003e\u003cp\u003eIntroduced in the early 1920s, the Lorraine-Dietrich series evolved from early First World War-era Lorraine V-8 and V-12 engines. Produced from approximately 1920 to 1932, these engines powered aircraft including the Potez XXV, Breguet XIX, Levasseur PL.4, PWS-10 and Amiot 122, as well as civilian types such as the Fokker F.VII, Dornier Wal and Bernard-Hubert transports. The series is also associated with the 1927 transatlantic attempt of \u003cem\u003eL’Oiseau Blanc\u003c\/em\u003e and with early post-war mail and record-flight operations.\u003c\/p\u003e\u003ch2\u003eTechnical scope\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLiquid-cooled inline engine family, with V-12 and W-12 arrangements\u003c\/li\u003e\n\u003cli\u003e12 cylinders, arranged as two banks of six for the 12Db or three banks of four for the 12Eb\u003c\/li\u003e\n\u003cli\u003e1,491 cubic inches \/ 24.4 litres displacement\u003c\/li\u003e\n\u003cli\u003e400–450 hp range, with maximum output reported up to 480 hp\u003c\/li\u003e\n\u003cli\u003e120 × 180 mm bore and stroke for the 12Eb; the 12Db cover identifies 120 × 170 mm\u003c\/li\u003e\n\u003cli\u003eSingle overhead camshaft per block, dual ignition and master-and-slave connecting-rod architecture\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFour manuals in this collection\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNotice Technique du Moteur Lorraine-Dietrich de 450 HP (Type 12 Eb)\u003c\/strong\u003e\u003cbr\u003eFrench Ministry of War publication, 1925. Operator and service manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoteurs d’Aviation Lorraine: Type 12 Db de 400 HP — Description et Entretien\u003c\/strong\u003e\u003cbr\u003eDocument LD-400-M1, 1922. Service and operator manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoteur Lorraine 450 C.V., 12 Cylindres en W — Description, Entretien \u0026amp; Réglage, Fonctionnement sur Avion\u003c\/strong\u003e\u003cbr\u003eModel 1925 cover-page record, with 120 mm bore and 180 mm stroke identified on the supplied scan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoteurs d’Aviation Lorraine, 400 HP, 12 Cylindres — Description, Entretien \u0026amp; Réglage, Fonctionnement sur Avion\u003c\/strong\u003e\u003cbr\u003eModel 1923 cover-page record, with 120 mm bore and 170 mm stroke identified on the supplied scan.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe supplied cover and title-page scans include the additional identification \u003cem\u003eLe moteur Lorraine 12 Eb de 450 ch\u003c\/em\u003e. Document-level numbering and publication details are stated only where visible in the supplied collection data.\u003c\/p\u003e\u003ch2\u003eFormat \u0026amp; delivery\u003c\/h2\u003e\u003cp\u003eInstant digital access is provided after purchase. The four manuals are supplied as organized PDF files in compressed RAR\/ZIP archives for convenient download and storage. Extract the archive with a free utility such as WinRAR or 7-Zip on Windows, or The Unarchiver on Mac; the extracted documents open as standard PDFs and are suitable for screen reading, research and printing.\u003c\/p\u003e\u003ch2\u003eMaintenance-sensitive historical notice\u003c\/h2\u003e\u003cp\u003eThis collection is historical\/reference material for research, simulation, museum restoration and education. It is not current approved airworthiness, repair, overhaul or operating data. Work on aircraft or engines must use current revision-controlled information from the applicable Type Certificate holder or authorized source and aviation authority.\u003c\/p\u003e\u003ch2\u003eLegal Notice\u003c\/h2\u003e\u003cp\u003eOnline Aviation Library is not a regulatory authority, Type Certificate holder, government institution or official distributor. The underlying historical documents are presented subject to applicable rights and permissions. This digital compilation, structure, indexing and presentation are © Sicuro Publishing.\u003c\/p\u003e\u003ch2\u003eExport Notice\u003c\/h2\u003e\u003cp\u003eHistorical age or manufacturer dissolution does not by itself establish public-domain, declassification or export\/distribution status. Availability remains subject to applicable rights and destination restrictions.\u003c\/p\u003e","brand":"Online Aviation Library","offers":[{"title":"Default Title","offer_id":53942557344091,"sku":"OAL-ENG-LD-12DB-12EB","price":49.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4788\/3867\/files\/branded-lorraine-dietrich-engine-banner.png?v=1788241432","url":"https:\/\/onlineaviationlibrary.com\/products\/lorraine-dietrich-12db-12eb-engine-manuals","provider":"Online Aviation Library","version":"1.0","type":"link"}