Porsche Type 547
E836986
The Porsche Type 547 is a pioneering air-cooled, four-cam flat-four racing engine designed by Ernst Fuhrmann that powered Porsche’s early competition cars in the 1950s.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Porsche Type 547 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10052675 — 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: Porsche Type 547 Context triple: [Porsche 550 Spyder, engineCode, Porsche Type 547]
-
A.
Porsche 953
The Porsche 953 is a heavily modified, four-wheel-drive rally version of the Porsche 911 developed in the early 1980s, best known for competing in the Paris–Dakar Rally and serving as a technological stepping stone to the Porsche 959.
-
B.
Porsche 64
The Porsche 64 is an early, pre–World War II sports car prototype created by Ferdinand Porsche that is widely regarded as the conceptual forerunner of the Porsche brand’s later production models.
-
C.
Porsche 961
The Porsche 961 was a limited-production racing variant of the Porsche 959, developed for Group B and endurance competition in the mid-1980s.
-
D.
Porsche 550 Spyder
The Porsche 550 Spyder is a legendary mid-engine 1950s racing sports car renowned for its lightweight design, motorsport success, and iconic status in automotive history.
-
E.
Porsche 959
The Porsche 959 is a technologically advanced, limited-production supercar from the 1980s that pioneered all-wheel drive and high-performance turbocharging, making it one of the most iconic and influential sports cars in automotive history.
- 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: Porsche Type 547 Target entity description: The Porsche Type 547 is a pioneering air-cooled, four-cam flat-four racing engine designed by Ernst Fuhrmann that powered Porsche’s early competition cars in the 1950s.
-
A.
Porsche 953
The Porsche 953 is a heavily modified, four-wheel-drive rally version of the Porsche 911 developed in the early 1980s, best known for competing in the Paris–Dakar Rally and serving as a technological stepping stone to the Porsche 959.
-
B.
Porsche 64
The Porsche 64 is an early, pre–World War II sports car prototype created by Ferdinand Porsche that is widely regarded as the conceptual forerunner of the Porsche brand’s later production models.
-
C.
Porsche 961
The Porsche 961 was a limited-production racing variant of the Porsche 959, developed for Group B and endurance competition in the mid-1980s.
-
D.
Porsche 550 Spyder
The Porsche 550 Spyder is a legendary mid-engine 1950s racing sports car renowned for its lightweight design, motorsport success, and iconic status in automotive history.
-
E.
Porsche 959
The Porsche 959 is a technologically advanced, limited-production supercar from the 1980s that pioneered all-wheel drive and high-performance turbocharging, making it one of the most iconic and influential sports cars in automotive history.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Porsche engine
ⓘ
flat-four engine ⓘ racing engine ⓘ |
| alsoKnownAs | Fuhrmann engine ⓘ |
| boreType | horizontally opposed cylinders ⓘ |
| brand | Porsche ⓘ |
| camshaftCount | 4 ⓘ |
| category |
Porsche engines
ⓘ
flat engines ⓘ motorsport engines ⓘ |
| configuration | flat-four ⓘ |
| coolingSystem | air-cooled ⓘ |
| countryOfOrigin | Germany ⓘ |
| cylinderCount | 4 ⓘ |
| designer | Ernst Fuhrmann ⓘ |
| displacementRange |
1.1 litres
ⓘ
1.5 litres ⓘ 1.6 litres ⓘ |
| era | 1950s ⓘ |
| fuelType | gasoline ⓘ |
| introducedFor |
Porsche 550 racing program
ⓘ
linked to:
Porsche 550 Spyder
|
| layout | rear-engine ⓘ |
| manufacturer | Porsche ⓘ |
| material |
aluminium cylinder heads
ⓘ
aluminium engine block ⓘ |
| notableFeature |
complex bevel-gear-driven camshafts
ⓘ
dry-sump lubrication ⓘ roller-bearing crankshaft in early versions ⓘ |
| notableFor |
engineering complexity
ⓘ
high specific output for its displacement ⓘ |
| powered | early Porsche competition cars ⓘ |
| primaryUse |
endurance racing
ⓘ
sports car racing ⓘ |
| productionStart | 1953 ⓘ |
| successor | Porsche Type 587 ⓘ |
| usedIn |
Porsche 356 Carrera
ⓘ
linked to:
Porsche 356
Porsche 356A Carrera ⓘ
linked to:
Porsche 356
Porsche 356B Carrera ⓘ
linked to:
Porsche 356
Porsche 550 ⓘ
linked to:
Porsche 550 Spyder
Porsche 550 Spyder ⓘ Porsche 550A ⓘ
linked to:
Porsche 550 Spyder
Porsche 718 RS 60 ⓘ
linked to:
Porsche 718 RSK
Porsche 718 RS 61 ⓘ
linked to:
Porsche 718 RSK
Porsche 718 RSK ⓘ Porsche 904 Carrera GTS ⓘ |
| valvesPerCylinder | 2 ⓘ |
| valvetrain | four-cam ⓘ |
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: Porsche Type 547 Description of subject: The Porsche Type 547 is a pioneering air-cooled, four-cam flat-four racing engine designed by Ernst Fuhrmann that powered Porsche’s early competition cars in the 1950s.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.