Quick answer
This page uses a published test for Sea Ray SDX 290 OB Sea Star JPO with 2 × Mercury FourStroke. In that table, the best published economy point is around 5 kn and 8.3 L/h.
Engine/configuration: 2 × Mercury FourStroke
Source: manufacturer test
Source: manufacturer test
Published fuel-burn table
| Speed kn | Fuel L/h | L/nm |
|---|---|---|
| 2.3 | 4.5 | 1.94 |
| 5 | 8.3 | 1.65 |
| 6.8 | 13.6 | 2.01 |
| 8.3 | 22.7 | 2.75 |
| 11.8 | 31 | 2.63 |
| 18.3 | 36.3 | 1.98 |
| 24 | 47.3 | 1.97 |
| 28.9 | 54.5 | 1.88 |
| 32.5 | 67 | 2.06 |
| 36.1 | 85.6 | 2.37 |
| 39.5 | 112.8 | 2.86 |
| 40.9 | 125.3 | 3.06 |
Calculate cost per mile
Use the calculator and change the fuel price. If you choose this boat in the picker, SkipperCalc adjusts fuel burn inside the tested speed range.