28 cm L/42,5
 |
| Scheme of one of her turrets |
| Gun specs | |
| Manufacturer | Krupp, Germany |
| Purpose | Low Angle (seatargets only) |
| Bore | 28 cm (11 inch) |
| Classes used on | Zeven Provinciën |
| Length | 42,5 calibers |
| Length ( m ) | 11,9 m |
| Gunweight | 31 tons |
| Initial velocity | 2920 feet/sec |
| Shell specs | |
| Shell weight | 595 lbs |
| Max penetration ( with AP ) | 8 inch @ 8000 meters 13 inch @ 5000 meters 15,5 inch @ 3000 meters |
| Shell supply | 100 rounds per gun |
| Mount specs | |
| Mount armor | 250 mm |
| Train | + 130 / - 130 degrees |
Sources
Jane's fighting ships of the world, 1931 edition
Warship International
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