Quick answer
This page uses a published test for Formula 380 CCS with 3 × Mercury 500R. In that table, the best published economy point is around 5.6 kn and 22 L/h.
Engine/configuration: 3 × Mercury 500R
Source: manufacturer test
Source: manufacturer test
Published fuel-burn table
| Speed kn | Fuel L/h | L/nm |
|---|---|---|
| 1 | 10.2 | 10.69 |
| 5.6 | 22 | 3.95 |
| 7.8 | 42.8 | 5.47 |
| 9 | 76.5 | 8.46 |
| 9.6 | 129.1 | 13.5 |
| 14.2 | 169.6 | 11.97 |
| 20.1 | 201.8 | 10.05 |
| 26.3 | 223.7 | 8.5 |
| 35.3 | 247.2 | 7.01 |
| 42 | 310.4 | 7.4 |
| 48.7 | 357.3 | 7.33 |
| 55.6 | 466 | 8.38 |
| 62.4 | 565.2 | 9.06 |
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.