Rolls-Royce 250-C30 turboshaft
E696104
The Rolls-Royce 250-C30 turboshaft is a compact, high-performance gas turbine engine widely used in light helicopters and small aircraft for its reliability and power-to-weight efficiency.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rolls-Royce 250-C30 turboshaft canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7838229 — 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 250-C30 turboshaft Context triple: [MD 530F, engineModel, Rolls-Royce 250-C30 turboshaft]
-
A.
Rolls-Royce Turbomeca RTM322
The Rolls-Royce Turbomeca RTM322 is a turboshaft aircraft engine developed for medium-lift military helicopters, notably powering types such as the NH90 and Apache.
-
B.
Rolls-Royce WR-21 gas turbine
The Rolls-Royce WR-21 is a marine gas turbine engine designed for advanced naval warships, featuring intercooler-recuperator technology to improve fuel efficiency and reduce emissions.
-
C.
Rolls-Royce AE 1107C-Liberty
The Rolls-Royce AE 1107C-Liberty is a high-performance turboshaft engine best known for powering the tiltrotor Bell Boeing V-22 Osprey used by the U.S. military.
-
D.
Rolls-Royce AE 2100
The Rolls-Royce AE 2100 is a modern turboprop aircraft engine widely used in military and regional transport aircraft, known for its improved efficiency, power, and reliability over earlier designs.
-
E.
Rolls-Royce AE 3007H
The Rolls-Royce AE 3007H is a high-bypass turbofan engine variant developed by Rolls-Royce to power high-altitude, long-endurance unmanned aerial vehicles such as the RQ-4 Global 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 250-C30 turboshaft Target entity description: The Rolls-Royce 250-C30 turboshaft is a compact, high-performance gas turbine engine widely used in light helicopters and small aircraft for its reliability and power-to-weight efficiency.
-
A.
Rolls-Royce Turbomeca RTM322
The Rolls-Royce Turbomeca RTM322 is a turboshaft aircraft engine developed for medium-lift military helicopters, notably powering types such as the NH90 and Apache.
-
B.
Rolls-Royce WR-21 gas turbine
The Rolls-Royce WR-21 is a marine gas turbine engine designed for advanced naval warships, featuring intercooler-recuperator technology to improve fuel efficiency and reduce emissions.
-
C.
Rolls-Royce AE 1107C-Liberty
The Rolls-Royce AE 1107C-Liberty is a high-performance turboshaft engine best known for powering the tiltrotor Bell Boeing V-22 Osprey used by the U.S. military.
-
D.
Rolls-Royce AE 2100
The Rolls-Royce AE 2100 is a modern turboprop aircraft engine widely used in military and regional transport aircraft, known for its improved efficiency, power, and reliability over earlier designs.
-
E.
Rolls-Royce AE 3007H
The Rolls-Royce AE 3007H is a high-bypass turbofan engine variant developed by Rolls-Royce to power high-altitude, long-endurance unmanned aerial vehicles such as the RQ-4 Global Hawk.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | turboshaft engine ⓘ |
| application |
light helicopter
ⓘ
small fixed-wing aircraft ⓘ |
| category | aero engine ⓘ |
| compressorStages | axial stages followed by a centrifugal stage ⓘ |
| compressorType | axial-centrifugal ⓘ |
| configuration | two-shaft ⓘ |
| controlSystem | hydromechanical fuel control ⓘ |
| coolingMethod | air-cooled ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designFocus |
compactness
ⓘ
ease of installation ⓘ high time-between-overhaul ⓘ |
| designGoal |
good fuel efficiency
ⓘ
high reliability ⓘ low maintenance requirements ⓘ |
| exhaustType | rearward exhaust outlet ⓘ |
| familyVariantOf | earlier Rolls-Royce 250 series engines ⓘ |
| feature |
accessory gearbox for helicopter installations
ⓘ
modular construction ⓘ quick engine change capability ⓘ |
| fuelType |
Jet-A
ⓘ
Jet-A1 ⓘ aviation kerosene ⓘ |
| intendedMounting | helicopter engine bay ⓘ |
| manufacturer |
Rolls-Royce
ⓘ
linked to:
Rolls-Royce plc
|
| marketSegment | light helicopter segment ⓘ |
| notableCharacteristic |
compact design
ⓘ
high power-to-weight ratio ⓘ high reliability ⓘ |
| notableFor |
good power-to-weight efficiency
ⓘ
widespread use in light helicopters ⓘ |
| operatingEnvironment |
rotary-wing aircraft
ⓘ
small fixed-wing aircraft ⓘ |
| partOfEngineFamily |
Rolls-Royce Model 250
ⓘ
linked to:
Rolls-Royce 250-C20W
|
| powerTransmission | output through reduction gearbox ⓘ |
| primaryUse |
civil aviation
ⓘ
military aviation ⓘ |
| role | main propulsion engine ⓘ |
| starterType | electric starter ⓘ |
| turbineType | free power turbine ⓘ |
| usedIn |
Bell 206L LongRanger
ⓘ
linked to:
Bell 206
MBB Bo 105 variants ⓘ other light helicopter types ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Rolls-Royce 250-C30 turboshaft Description of subject: The Rolls-Royce 250-C30 turboshaft is a compact, high-performance gas turbine engine widely used in light helicopters and small aircraft for its reliability and power-to-weight efficiency.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
MD 530F helicopter