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Lorraine 12E Courlis

W-12 piston aircraft engine family

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionApr 30, 2026
Entity authorityQ3121573 ↗
Source-derived summary

The Lorraine 12E Courlis was a W-12 (broad arrow) aero engine produced by the French company Lorraine-Dietrich during the 1920s and 1930s.

Variants

12E

12Eb

12Ebr

12Ed

12Edr

12Ee

12Ew

The standard Eb fitted with a supplementary supercharger.

Elizalde A

The 12E built under licence in Spain by Elizalde S.A.

12E

Made under licence by the Polish Skoda Works (PZS)

Applications

Aircraft

Other applications

Argentine Nahuel tank

Specifications (12Ed)

Data from Gunston.

Editorial summary

Begin with the source’s own compact description: “Lorraine 12E Courlis” is w-12 piston aircraft engine family. The dossier treats that line as a proposition to test through Lorraine, Courlis and W-12, not as a finished interpretation.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current 72-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. For this dossier, Lorraine, Courlis and W-12 is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “w-12 piston aircraft engine family” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Apr 30, 2026. The linked authority identifier is Q3121573. None of the 0 selected statements returned an explicit reference.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
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  1. Establish the record: confirm the title “Lorraine 12E Courlis”, its source revision and the description used here.
  2. Expand the search: follow Lorraine 12E Courlis primary sources, Lorraine 12E Courlis archive and Lorraine research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

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Source & attribution

This entry incorporates text from “Lorraine 12E Courlis” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.