CACrown ArchivesThe cinema collection
Menu
Research dossier · General Reference

Continental T51

development of the French Turbomeca Artouste turboshaft engine built in the USA

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 revisionNov 11, 2025
Entity authorityQ5165323
Source-derived summary

The Continental CAE T51 was a small turboshaft engine produced by Continental Aviation and Engineering (CAE) under license from Turbomeca. A development of the Artouste, it was followed by three additional turboshaft engines, the T72, the T65, and the T67. However, none of these engines, including the T51, entered full production. CAE abandoned turboshaft development in 1967 after the XT67 lost to the Pratt & Whitney Canada PT6T (T400) to power the Bell UH-1N Twin Huey.

Variants and derivatives

XT51-1

(Model 210) Based on the Turbomeca Artouste I; 280 shp.

XT51-3

(Model 220-2) Based on the Turbomeca Artouste II; 425 shp.

XT72

(Model 217-5) Based on the Turbomeca Astazou; 600 shp.

XT65

(Model 217-10) A scaled-down version of the Astazou; competed against the Allison T63 to power the Light Observation Helicopter; 305 shp.

T65-T-1

XT67

(Model 217A) two engines driving a common gearbox; based on the Turbomeca Astazou X and T72; 1,540 shp.

Model 210

Company designation for the XT51-1

Model 217-5

Company designation for the XT72

Model 217-10

Company designation for the XT65

Model 217A

Company designation for the XT67

Model 217A-2A

Company designation for the T67-T-1

Model 219

similar to 220–2 with extra axial compressor stage

Model 220-2

Company designation for the XT51-3

Model 227-4A

Company designation for the T65-T-1

Model TS325-1

Alternative company designation for the T65-T-1

Model 327-5

Turboprop version of the T65-T-1

Applications

XT51-1

XL-19C Bird Dog

Sikorsky XH-39 (S-59)

XT51-3

Bell 201 (XH-13F)

XT67

Bell 208

XT72

Republic Lark (license-built Aérospatiale Alouette II)

Specifications (XT51-3)

Data from Aircraft engines of the World 1957

General characteristics

Type: Turboshaft

Length: 45.1 in (1,150 mm)

Width:17.8 in (450 mm)

Height:21.5 in (550 mm)

Diameter:

Dry weight: 236 lb (107 kg)

Components

Compressor: 1-stage centrifugal flow

Combustors: annular compustion chamber

Turbine: 2-stage axial flow

Fuel type: JP-4

Oil system: pressure spray at 20 psi (140 kPa)

Performance

Maximum power output:

Maximum power:425 shp (317 kW) at 34,800 rpm at sea level

Maximum continuous power:375 shp (280 kW)at 34,800 rpm at sea level

Overall pressure ratio: 3.9:1

Air mass flow: 7 lb/s (190 kg/min)

Turbine inlet temperature: TIT : 1,093.15 K (1,508.00 °F; 820.00 °C); JPT: : 838.15 K (1,049.00 °F; 565.00 °C)

Fuel consumption: 370 lb/h (170 kg/h)

Thrust-to-weight ratio: 1.887 lbf/shp (11.26 N/kW)

See also

Related development

Turbomeca Artouste

Comparable engines

Boeing T50

Related lists

List of aircraft engines

References

Further reading

Gunston, Bill (2006).

Editorial summary

“Continental T51” enters the record as development of the French Turbomeca Artouste turboshaft engine built in the USA. Crown Archives preserves that source wording while asking what Continental, development and French can confirm, complicate or overturn.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—1967, 1957, 2006—that can be checked directly. The selected authority fields contribute no independent date. Its strongest next move is a source search built around Continental, development and French.
Editorial analysis

Why this record matters

“Continental T51” is worth following because a concise public description often conceals a longer documentary argument. Here, Continental, development and French provides the most credible route into that argument.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Nov 11, 2025. The linked authority identifier is Q5165323. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1967, 1957 and 2006.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. 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 “Continental T51”, its source revision and the description used here.
  2. Expand the search: follow Continental T51 primary sources, Continental T51 archive and Continental 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 “Continental T51”?
  2. Which institution is responsible for the underlying evidence?
  3. What terminology or title could unlock a more precise catalogue search?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from Continental T51” 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.