Rolls-Royce Avon engine

E134076

axial-flow turbojet engine turbojet engine

The Rolls-Royce Avon engine is a pioneering British axial-flow turbojet developed in the late 1940s that powered numerous military and civilian aircraft, including early jet airliners and fighters.

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All labels observed (5)

Label	Occurrences
Rolls-Royce Avon	14
Rolls-Royce Avon turbojet	2
Rolls-Royce Avon engine canonical	1
Rolls-Royce Avon engines	1
Rolls-Royce Avon turbojet engine	1

How this entity was disambiguated

This entity first appeared as the object of triple T1109943 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Rolls-Royce Avon engine
Context triple: [Rolls-Royce Limited, notableProduct, Rolls-Royce Avon engine]

A. Rolls-Royce Nene engine
The Rolls-Royce Nene engine is a pioneering late-1940s British centrifugal-flow turbojet whose powerful, compact design significantly advanced early jet aircraft performance and was widely exported and copied worldwide.
B. Rolls-Royce Griffon
The Rolls-Royce Griffon is a powerful British liquid-cooled V12 aero engine developed during World War II, best known for powering later, high-performance variants of the Supermarine Spitfire and other Royal Air Force aircraft.
C. Rolls-Royce Merlin
The Rolls-Royce Merlin is a British liquid-cooled V12 piston aero engine renowned for powering iconic World War II aircraft such as the Spitfire, Hurricane, and Lancaster.
D. Rolls-Royce Pegasus turbofan
The Rolls-Royce Pegasus turbofan is a unique vectored-thrust jet engine that enables vertical and short takeoff and landing (V/STOL) capability in aircraft such as the Harrier family.
E. Rolls-Royce Adour turbofan
The Rolls-Royce Adour is a family of low-bypass turbofan engines developed for military trainer and light attack aircraft, noted for their reliability and widespread use in jets such as the SEPECAT Jaguar and BAE Systems Hawk.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Rolls-Royce Avon engine
Target entity description: The Rolls-Royce Avon engine is a pioneering British axial-flow turbojet developed in the late 1940s that powered numerous military and civilian aircraft, including early jet airliners and fighters.

A. Rolls-Royce Nene engine
The Rolls-Royce Nene engine is a pioneering late-1940s British centrifugal-flow turbojet whose powerful, compact design significantly advanced early jet aircraft performance and was widely exported and copied worldwide.
B. Rolls-Royce Griffon
The Rolls-Royce Griffon is a powerful British liquid-cooled V12 aero engine developed during World War II, best known for powering later, high-performance variants of the Supermarine Spitfire and other Royal Air Force aircraft.
C. Rolls-Royce Merlin
The Rolls-Royce Merlin is a British liquid-cooled V12 piston aero engine renowned for powering iconic World War II aircraft such as the Spitfire, Hurricane, and Lancaster.
D. Rolls-Royce Pegasus turbofan
The Rolls-Royce Pegasus turbofan is a unique vectored-thrust jet engine that enables vertical and short takeoff and landing (V/STOL) capability in aircraft such as the Harrier family.
E. Rolls-Royce Adour turbofan
The Rolls-Royce Adour is a family of low-bypass turbofan engines developed for military trainer and light attack aircraft, noted for their reliability and widespread use in jets such as the SEPECAT Jaguar and BAE Systems Hawk.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	axial-flow turbojet engine ⓘ turbojet engine ⓘ
application	bomber aircraft propulsion ⓘ early jet airliner propulsion ⓘ fighter aircraft propulsion ⓘ
combustionChambers	can-annular combustor ⓘ
compressorType	axial-flow compressor ⓘ
configuration	single-spool axial-flow turbojet ⓘ
countryOfOrigin	United Kingdom ⓘ
designGoal	higher efficiency than centrifugal-flow turbojets ⓘ suitable for transonic and early supersonic aircraft ⓘ
developer	Rolls-Royce Limited ⓘ
enteredService	1950 ⓘ
era	early Cold War jet engine ⓘ
firstRun	1946 ⓘ
fuelType	aviation kerosene ⓘ
inception	late 1940s ⓘ
manufacturer	Rolls-Royce Limited ⓘ
notableFeature	first successful axial-flow turbojet produced by Rolls-Royce ⓘ long production life with many variants ⓘ widely used in both military and civil aircraft ⓘ
notableVariant	Avon RA.3 ⓘ surface form: Avon RA.14 Avon RA.3 ⓘ surface form: Avon RA.29 Avon RA.3 ⓘ Avon RA.3 ⓘ surface form: Avon RA.7
predecessor	Rolls-Royce Nene engine ⓘ surface form: Rolls-Royce Nene
productionPeriod	late 1940s to 1970s ⓘ
successor	Rolls-Royce Conway engine ⓘ surface form: Rolls-Royce Conway
thrustClass	approximately 6,500–12,000 lbf dry ⓘ up to around 16,000 lbf with afterburner ⓘ
turbineType	axial-flow turbine ⓘ
usedBy	British Overseas Airways Corporation ⓘ surface form: BOAC (via Comet operations) French airlines (via Caravelle operators) ⓘ Royal Air Force ⓘ Royal Australian Air Force ⓘ Swedish Air Force ⓘ
usedFor	civil aviation ⓘ military aviation ⓘ
usedIn	CAC Sabre ⓘ English Electric Canberra ⓘ Pulqui II jet fighter ⓘ surface form: FMA IAe 33 Pulqui II Hawker Hunter ⓘ Saab 32 Lansen ⓘ surface form: SAAB 32 Lansen Caravelle ⓘ surface form: Sud Aviation Caravelle Supermarine Swift ⓘ Vickers Valiant bomber ⓘ surface form: Vickers Valiant de Havilland Comet ⓘ de Havilland Sea Vixen ⓘ surface form: de Havilland Sea Vixen (early development) industrial and marine gas turbine derivatives (Avon industrial gas turbine) ⓘ

How these facts were elicited