First 50
Performance Cruiser Built by Beneteau
Boat highlights
First 50 is currently in the Decent band with an SBP score of 86.
Length overall
49.2 ft
Primary sail area
1,496 ft²
Displacement
30,380 lbs
Performance band: Decent GPH rating: 574
86
SBP score
Decent band
Quick actions
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Performance Analysis
Detailed performance metrics and polar diagram for First 50.
Performance Metrics
SBP Score
ⓘ
86
ORC GPH
ⓘ
574
Average Speed (GPH)
ⓘ
6.3 kn
Yardstick
ⓘ
78.0
Sail Carry Number
ⓘ
4.9
Planing Potential
ⓘ
1.0 (medium)
Hull Speed
ⓘ
8.6 kn
Speed Estimates
| Wind Speed (kn) | Beat VMG (kn) | Run VMG (kn) |
|---|---|---|
| 6 | 3.9 | 3.5 |
| 8 | 4.7 | 4.4 |
| 10 | 5.3 | 5.4 |
| 12 | 5.7 | 6.2 |
| 14 | 5.9 | 6.9 |
| 16 | 6.0 | 7.6 |
| 20 | 6.1 | 8.6 |
Polar Diagram
Wind Speed (kn)
Key Specifications
Explore the hull dimensions and sail plan for First 50.
Dimensions
Length over all 49.15 ft
Length at Waterline 40.94 ft
Hull Speed 8.6 kn
Beam 14.34 ft
Draft 9.19 ft
Displacement 30,380 lbs
Sails
Main Sail Area 738.4 ft²
Foresail Area 754.55 ft²
Upwind Sail Area 1496.18 ft²
Spinnaker/Gennaker Area N/A ft²
Construction ratios
Sail area-to-displacement (SA/D)
24.6Capsize screening (CSF)
1.82Comfort ratio (CR)
30.9Discussion
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