CACrown ArchivesThe cinema collection
EN/FR
Search
Menu
Research dossier · General Reference

Blackburn Cirrus Bombardier

1950s British piston aircraft engine

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionApr 30, 2026
Entity authorityQ4922664 ↗
Source-derived summary

The Blackburn Cirrus Bombardier is a British four-cylinder inline aircraft engine, developed and built by the Blackburn Aircraft company in the mid-1950s. The engine featured fuel injection.

Variants

Cirrus Bombardier 203

Military version, 203 hp (151 kW).

Cirrus Bombardier 702

Civil version, 180 hp (134 kW).

Cirrus Bombardier 704

Helicopter engine

Applications

Auster AOP.9

Cierva W.14 Skeeter IIIB

Miles Messenger

Specifications (Cirrus Bombardier 203)

Data from Lumsden.

Editorial summary

Begin with the source’s own compact description: “Blackburn Cirrus Bombardier” is 1950s British piston aircraft engine. The dossier treats that line as a proposition to test through Blackburn, Cirrus and Bombardier, not as a finished interpretation.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current 67-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, Blackburn, Cirrus and Bombardier is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “1950s British piston aircraft engine” 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

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Apr 30, 2026. The linked authority identifier is Q4922664. 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
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Blackburn Cirrus Bombardier”, its source revision and the description used here.
  2. Expand the search: follow Blackburn Cirrus Bombardier primary sources, Blackburn Cirrus Bombardier archive and Blackburn 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.

Questions for further research

  1. Which source most directly establishes the central claim about “Blackburn Cirrus Bombardier”?
  2. Which institution is responsible for the underlying evidence?
  3. Which cited source is closest to the event, object or claim?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Blackburn Cirrus Bombardier” 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.