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Ferretti 510
Readings taken off the South Coast of France with 60 percent fuel, 50 percent water and 9 people on board. Waves 3 feet high and wind from the SW at 13 knots. Speed readings taken with GPS in water depths exceeding 60 feet.
| TEST POWER: 2 x 800 hp MAN diesels. | ||
| RPM | KNOTS | dB-A |
| 600 | 6.6 | 63 |
| 900 | 9.5 | 64 |
| 1200 | 11.6 | 67 |
| 1500 | 16.0 | 67 |
| 1800 | 21.2 | 71 |
| 2100 | 27.5 | 74 |
| 2300 | 31.3 | 78 |
