Swan 78
Boat highlights
Swan 78 is currently estimated in the Decent band with an SBP score of 85.
Length overall
83.8 ft
Primary sail area
3,983 ft²
Displacement
93,917 lbs
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Performance Analysis
Detailed performance metrics and polar diagram for Swan 78.
Methodology note: SBP scores, polar diagrams, hull-speed values, and derived ratios are estimates. Use them for comparison and planning support—not as a substitute for manufacturer specifications, measured sea trials, rating certificates, professional weather routing, or safety margins. Review how we rate boats.
Performance Metrics
Speed Estimates
| Wind Speed (kn) | Beat VMG (kn) | Run VMG (kn) |
|---|---|---|
| 6 | 5.0 | 4.8 |
| 8 | 5.9 | 5.9 |
| 10 | 6.5 | 7.0 |
| 12 | 7.0 | 8.1 |
| 14 | 7.3 | 9.1 |
| 16 | 7.5 | 10.0 |
| 20 | 7.8 | 11.2 |
Polar Diagram
Wind Speed (kn)
Key Specifications
Explore the hull dimensions and sail plan for Swan 78.
Dimensions
Sails
Construction ratios
Discussion
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