The I class destroyer HMS Impulsive.
Technical information
| Type | Destroyer |
| Displacement | 1360 BRT |
| Length | 323 feet (oa) |
| Complement | 138 men |
| Armament | 4 4.7" guns (4x1) 2 .5" AA (2x4) 10 21" torpedo tubes (2x5) |
| Max speed | 36 knots |
| Engines | Geared turbines, 2 shafts |
| Power | 34000 HP |
| Notes on class | The specifications as listed above are for the 'normal' I-class destroyers. HMS Inglefield was fitted as flotilla leader and had some different specifications; Displacement: 1544 BRT Complement: 175 men Lenght: 337 feet (oa) Armament: 5 4.7" guns (5x1) 8 .5" AA (2x4) 10 21" torpedo tubes (2x5) Speed: 36 knots Power: 38000 HP HMS Inglefield was a basicly a repeat Hardy with pentad torpedo tubes. The I-class destroyers were repeat of the H-class with some minor alterations. The new type of bridge tried in HMS Hero and HMS Hereward was adopted for the whole class as well as pentad torpedo tubes. HMS Impulsive, HMS Ivanhoe, HMS Intrepid and HMS Icarus were fitted for rapid conversion to minesweepers. Two of the 4.7" guns (A and Y gun) had to be landed as well as both banks of torpedo tubes. |
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Flotilla leader
7 destroyers of the I class lost. See all Destroyer classes. |
Royal Navy (more on 
 The last stand of the tin can sailors Hornfischer, James D. |
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