Sail Safe Energy Rating : SER Calculator
13 Mar 2024
Sail safe Energy Rating Calculator
*Before using this formula, please review the limitations in our blog post.
W
| SER Rating | Safety Scale / Capacity to Run Away |
|---|---|
| Less than 1 W | Very Dangerous - Relying solely on 1 hour of battery power for in and out maneuvers may not be enough, especially considering tidal currents or windage. |
| 1 to 3 W | Dangerous - Three hours of motoring is considered just enough to reach a harbor or a shelter in case of emergency. |
| 3 to 6 W | Good for the Day - Six hours of motoring provides adequate power for daytime navigation assuming daylight navigation. |
| 6 to 9 W | Acceptable Risk - Suitable for coastal navigation with easy access to safe harbors, offering moderate safety margin. |
| 9 to 12 W | Suitable for Coastal Cruising - Provides sufficient autonomy for coastal cruising with regular access to safe harbors |
| 12 to 16 W | Acceptable for the Weekend - Adequate for weekend cruises with enough energy for short excursions and overnight stays. |
| 16 to 20 W | Long Motoring Capability - Sixteen hours or more allows for extended motoring, providing flexibility and aiding in escaping adverse weather conditions. |
| 20 to 24 W | Good for Keeping Schedule - Offers reliability for maintaining schedules with 19 to 21 hours of autonomy ensuring timely arrivals. |
| More than 24 W | Ideal for Long Cruises - Perfect for long passages, providing ample flexibility even during extended periods of inclement weather. |
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