Quick answer
This page uses a published test for Sea Ray SPX 190 OB with 1 × Mercury FourStroke. In that table, the best published economy point is around 19.6 kn and 15.1 L/h.
Engine/configuration: 1 × Mercury FourStroke
Source: manufacturer test
Source: manufacturer test
Published fuel-burn table
| Speed kn | Fuel L/h | L/nm |
|---|---|---|
| 2.3 | 2.3 | 0.97 |
| 4.3 | 3.8 | 0.87 |
| 5.8 | 5.7 | 0.98 |
| 7 | 9.8 | 1.42 |
| 9.2 | 14 | 1.52 |
| 19.6 | 15.1 | 0.77 |
| 24.2 | 20.8 | 0.86 |
| 28.9 | 26.9 | 0.93 |
| 32.3 | 32.9 | 1.02 |
| 36.2 | 39.7 | 1.1 |
| 39.7 | 53 | 1.33 |
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.