Statements (23)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:ship | 
| gptkbp:countryOfOrigin | gptkb:United_States | 
| gptkbp:designedBy | gptkb:John_A._Howell | 
| gptkbp:diameter | 14 inches | 
| gptkbp:enteredService | 1890s | 
| gptkbp:introduced | 1889 | 
| gptkbp:length | 11 feet | 
| gptkbp:museumDisplay | gptkb:Naval_History_and_Heritage_Command gptkb:Naval_Undersea_Museum | 
| gptkbp:notableFeature | did not leave a visible wake first self-propelled torpedo in US service | 
| gptkbp:numberBuilt | about 50 | 
| gptkbp:propulsion | flywheel compressed air | 
| gptkbp:range | 400 yards | 
| gptkbp:replacedBy | gptkb:Whitehead_torpedo | 
| gptkbp:speed | 25 knots | 
| gptkbp:usedBy | gptkb:United_States_Navy | 
| gptkbp:warheadType | gptkb:explosive | 
| gptkbp:weight | approximately 580 pounds | 
| gptkbp:bfsParent | gptkb:Rear_Admiral_John_A._Howell | 
| gptkbp:bfsLayer | 7 | 
| https://www.w3.org/2000/01/rdf-schema#label | Howell torpedo |