German Type XXI U-boat

GPTKB entity

Statements (49)
Predicate Object
gptkbp:instanceOf gptkb:marine
gptkbp:armament 6 × 533 mm torpedo tubes
4 × 20 mm anti-aircraft guns
23 torpedoes or 17 torpedoes and 12 mines
gptkbp:beam 8 m
gptkbp:capturedBy gptkb:Soviet_Union
gptkb:United_Kingdom
gptkb:United_States
gptkbp:conflict gptkb:World_War_II
gptkbp:countryOfOrigin gptkb:Nazi_Germany
gptkbp:crewComplement 57
gptkbp:designedBy Ingenieurskonstruktionsbüro
gptkbp:displacementSubmerged 1,819 t
gptkbp:displacementSurfaced 1,621 t
gptkbp:draught 6.32 m
gptkbp:fate most scuttled or scrapped after WWII
https://www.w3.org/2000/01/rdf-schema#label German Type XXI U-boat
gptkbp:hullMaterial streamlined
gptkbp:influenced British Porpoise-class submarine
Soviet Whiskey-class submarine
US GUPPY program
postwar submarine designs
gptkbp:introduced 1945
gptkbp:length 76.7 m
gptkbp:maximumSpeed 15.6 knots
gptkbp:maximumSpeedSubmerged 17.2 knots
gptkbp:nickname gptkb:Elektroboot
gptkbp:notableFeature modular construction
double hull design
large battery capacity
improved habitability for crew
snorkel for underwater diesel operation
automated torpedo reload system
high underwater speed
hydrodynamically optimized hull
improved sonar and sensors
quiet running electric motors
reduced surface time
gptkbp:notableFor first submarine designed to operate primarily submerged
gptkbp:notableShip gptkb:U-2511
U-3008
gptkbp:numberBuilt 118
gptkbp:propulsion diesel-electric
gptkbp:rangeSubmerged 340 nmi at 5 knots
gptkbp:rangeSurfaced 15,500 nmi at 10 knots
gptkbp:type electric submarine
gptkbp:usedBy gptkb:Kriegsmarine
gptkbp:bfsParent gptkb:Project_613
gptkbp:bfsLayer 5