Tallboy bomb
E113415
The Tallboy bomb was a British World War II "earthquake" bomb designed by Barnes Wallis to destroy heavily fortified and hardened targets through deep-penetration shock waves.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tallboy bomb canonical | 12 |
| Tallboy deep-penetration bomb | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T959639 — 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: Tallboy bomb Context triple: [Avro Lancaster, notableWeaponCarried, Tallboy bomb]
-
A.
V-1 flying bomb
The V-1 flying bomb was an early German cruise missile used in World War II, known as a pilotless "buzz bomb" deployed primarily against London and other Allied cities.
-
B.
BLU-109 bomb
The BLU-109 bomb is a U.S.-designed hardened-penetrator warhead used to destroy reinforced or deeply buried targets, often integrated into precision-guided munition systems.
-
C.
Vulcan bomber
The Vulcan bomber was a British Royal Air Force delta-wing strategic jet bomber, famed for its long-range Black Buck raids during the Falklands War.
-
D.
Avro Lancaster
The Avro Lancaster was a British four‑engined heavy bomber of World War II, renowned for its night bombing raids and precision attacks such as the famous "Dambusters" mission.
-
E.
Short Stirling
The Short Stirling was a British four‑engined heavy bomber used by the Royal Air Force during World War II, notable as the RAF’s first operational four‑engined bomber.
- 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: Tallboy bomb Target entity description: The Tallboy bomb was a British World War II "earthquake" bomb designed by Barnes Wallis to destroy heavily fortified and hardened targets through deep-penetration shock waves.
-
A.
V-1 flying bomb
The V-1 flying bomb was an early German cruise missile used in World War II, known as a pilotless "buzz bomb" deployed primarily against London and other Allied cities.
-
B.
BLU-109 bomb
The BLU-109 bomb is a U.S.-designed hardened-penetrator warhead used to destroy reinforced or deeply buried targets, often integrated into precision-guided munition systems.
-
C.
Vulcan bomber
The Vulcan bomber was a British Royal Air Force delta-wing strategic jet bomber, famed for its long-range Black Buck raids during the Falklands War.
-
D.
Avro Lancaster
The Avro Lancaster was a British four‑engined heavy bomber of World War II, renowned for its night bombing raids and precision attacks such as the famous "Dambusters" mission.
-
E.
Short Stirling
The Short Stirling was a British four‑engined heavy bomber used by the Royal Air Force during World War II, notable as the RAF’s first operational four‑engined bomber.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
British World War II weapon
ⓘ
aerial bomb ⓘ earthquake bomb ⓘ |
| aerodynamicFeature |
stabilizing tail fins
ⓘ
streamlined body ⓘ |
| conflict | World War II ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| deliveryPlatform |
Avro Lancaster bomber
ⓘ
linked to:
Avro Lancaster
|
| deliveryPlatformVariant |
Avro Lancaster B.I (Special)
ⓘ
linked to:
Avro Lancaster
|
| designedFor |
attacking hardened structures
ⓘ
causing shock waves in the ground ⓘ deep-penetration attacks ⓘ destroying heavily fortified targets ⓘ |
| designer | Barnes Wallis ⓘ |
| detonationMethod |
deep-penetration detonation
ⓘ
time-delay fuse ⓘ |
| developmentPeriod | early 1940s ⓘ |
| diameter |
approximately 0.97 metres
ⓘ
approximately 38 inches ⓘ |
| era | 1940s ⓘ |
| explosiveFilling | Torpex ⓘ |
| explosiveFillingMass |
approximately 2,360 kilograms
ⓘ
approximately 5,200 pounds ⓘ |
| firstOperationalUse | June 1944 ⓘ |
| firstUseDate | 1944 ⓘ |
| guidanceSystem | unguided ⓘ |
| length |
approximately 21 feet
ⓘ
approximately 6.4 metres ⓘ |
| mass |
approximately 12,000 pounds
ⓘ
approximately 5,400 kilograms ⓘ |
| namedAfter | its tall, elongated shape ⓘ |
| notableTarget |
German V-weapon sites
ⓘ
Mimoyecques V-3 site ⓘ Saumur railway tunnel ⓘ Tirpitz (German battleship) ⓘ
linked to:
Tirpitz
U-boat pens at Brest ⓘ |
| operationalAltitude | dropped from high altitude ⓘ |
| operator |
RAF Bomber Command
ⓘ
linked to:
Royal Air Force Bomber Command
|
| penetrationCapability |
capable of penetrating deep into earth or rock
ⓘ
capable of penetrating reinforced concrete ⓘ |
| purpose |
to bypass heavy surface armour and concrete
ⓘ
to collapse structures through ground shock ⓘ |
| relatedConcept | seismic bombing ⓘ |
| relatedWeapon | Grand Slam bomb ⓘ |
| roleInSinking | helped sink the German battleship Tirpitz ⓘ |
| status | retired ⓘ |
| usedBy |
No. 617 Squadron RAF
ⓘ
No. 9 Squadron RAF ⓘ Royal Air Force ⓘ |
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: Tallboy bomb Description of subject: The Tallboy bomb was a British World War II "earthquake" bomb designed by Barnes Wallis to destroy heavily fortified and hardened targets through deep-penetration shock waves.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.