Quick answer
This page uses a published test for Sea Ray SPX 230 OB with 1 × Mercury FourStroke. In that table, the best published economy point is around 2.5 kn and 2.6 L/h.
Engine/configuration: 1 × Mercury FourStroke
Source: manufacturer test
Source: manufacturer test
Published fuel-burn table
| Speed kn | Fuel L/h | L/nm |
|---|---|---|
| 2.5 | 2.6 | 1.05 |
| 3.9 | 4.5 | 1.16 |
| 5.6 | 6.4 | 1.16 |
| 6.8 | 10.2 | 1.51 |
| 8.2 | 14.8 | 1.81 |
| 12.6 | 19.3 | 1.53 |
| 20.2 | 24.2 | 1.2 |
| 24.7 | 27.3 | 1.1 |
| 28.6 | 33.3 | 1.17 |
| 32.4 | 45.8 | 1.41 |
| 35.9 | 58.7 | 1.63 |
| 37.5 | 63.2 | 1.68 |
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.