BE-3 engine
E642855
The BE-3 engine is a liquid hydrogen–liquid oxygen rocket engine developed by Blue Origin, best known for powering the company’s New Shepard suborbital launch vehicle.
All labels observed (2)
| Label | Occurrences |
|---|---|
| BE-3 engine canonical | 2 |
| BE-3U | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7113581 — 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: BE-3 engine Context triple: [Blue Origin, develops, BE-3 engine]
-
A.
NK-33 engine
The NK-33 engine is a Soviet-era high-performance liquid-fuel rocket engine originally developed for the N1 lunar rocket program, known for its efficiency and thrust-to-weight ratio.
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B.
RD-181
RD-181 is a Russian-built liquid-fueled rocket engine used to power the first stage of certain orbital launch vehicles, notably Northrop Grumman’s Antares.
-
C.
RD-107
RD-107 is a Soviet-designed liquid-fueled rocket engine, best known for powering the first stages of early R-7 family launch vehicles used in historic missions like Sputnik and Vostok.
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D.
CE-20 cryogenic engine
The CE-20 cryogenic engine is an Indian-developed, liquid hydrogen–liquid oxygen rocket engine that powers the upper stage of ISRO’s heaviest launch vehicles for placing large payloads into orbit.
-
E.
RS-68 engine
The RS-68 engine is a powerful liquid-fueled rocket engine used primarily on the Delta IV launch vehicle, known for its high thrust and simplified design for cost-effective heavy-lift missions.
- 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: BE-3 engine Target entity description: The BE-3 engine is a liquid hydrogen–liquid oxygen rocket engine developed by Blue Origin, best known for powering the company’s New Shepard suborbital launch vehicle.
-
A.
NK-33 engine
The NK-33 engine is a Soviet-era high-performance liquid-fuel rocket engine originally developed for the N1 lunar rocket program, known for its efficiency and thrust-to-weight ratio.
-
B.
RD-181
RD-181 is a Russian-built liquid-fueled rocket engine used to power the first stage of certain orbital launch vehicles, notably Northrop Grumman’s Antares.
-
C.
RD-107
RD-107 is a Soviet-designed liquid-fueled rocket engine, best known for powering the first stages of early R-7 family launch vehicles used in historic missions like Sputnik and Vostok.
-
D.
CE-20 cryogenic engine
The CE-20 cryogenic engine is an Indian-developed, liquid hydrogen–liquid oxygen rocket engine that powers the upper stage of ISRO’s heaviest launch vehicles for placing large payloads into orbit.
-
E.
RS-68 engine
The RS-68 engine is a powerful liquid-fueled rocket engine used primarily on the Delta IV launch vehicle, known for its high thrust and simplified design for cost-effective heavy-lift missions.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
liquid hydrogen–liquid oxygen rocket engine
ⓘ
liquid-fueled rocket engine ⓘ rocket engine ⓘ |
| application |
crewed suborbital spaceflight
ⓘ
suborbital research missions ⓘ |
| company | Blue Origin NERFINISHED ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| cycle | combustion tap-off cycle ⓘ |
| designer | Blue Origin propulsion team NERFINISHED ⓘ |
| developer | Blue Origin NERFINISHED ⓘ |
| firstFlightProgram | Blue Origin New Shepard program NERFINISHED ⓘ |
| firstFlightVehicle | New Shepard NERFINISHED ⓘ |
| fuel | liquid hydrogen ⓘ |
| manufacturer | Blue Origin NERFINISHED ⓘ |
| notableFeature | designed for vertical takeoff and vertical landing operations ⓘ |
| notableFor | first large hydrogen-fueled rocket engine developed by a private company in the United States ⓘ |
| oxidizer |
LOX
ⓘ
liquid oxygen ⓘ |
| primaryUse | suborbital launch vehicle propulsion ⓘ |
| propellant | liquid hydrogen ⓘ |
| propellantFeed | pump-fed ⓘ |
| propellantType | cryogenic ⓘ |
| restartCapability | restartable in flight ⓘ |
| status | operational ⓘ |
| throttleability | deeply throttleable ⓘ |
| throttleRange | approximately 20% to 100% ⓘ |
| thrustSeaLevel | about 440 kN ⓘ |
| thrustVacuum | about 490 kN ⓘ |
| usedFor |
ascent propulsion of New Shepard booster
ⓘ
powered descent and landing of New Shepard booster ⓘ |
| usedOn | New Shepard NERFINISHED ⓘ |
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: BE-3 engine Description of subject: The BE-3 engine is a liquid hydrogen–liquid oxygen rocket engine developed by Blue Origin, best known for powering the company’s New Shepard suborbital launch vehicle.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Flew on Blue Origin New Shepard suborbital flight on 2021-07-20
this entity surface form:
BE-3U