a27
Cruiser-Racer Built by A-Yachts
Boat highlights
a27 is currently in the Very Good band with an SBP score of 128.
Length overall
26.8 ft
Primary sail area
495 ft²
Displacement
3,748 lbs
Performance band: Very Good GPH rating: 622
128
SBP score
Very Good band
Quick actions
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Performance Analysis
Detailed performance metrics and polar diagram for a27.
Performance Metrics
SBP Score
ⓘ
128
ORC GPH
ⓘ
622
Average Speed (GPH)
ⓘ
5.8 kn
Yardstick
ⓘ
94.6
Sail Carry Number
ⓘ
5.7
Planing Potential
ⓘ
1.5 (very high)
Hull Speed
ⓘ
6.3 kn
Speed Estimates
| Wind Speed (kn) | Beat VMG (kn) | Run VMG (kn) |
|---|---|---|
| 6 | 3.4 | 3.7 |
| 8 | 4.1 | 4.7 |
| 10 | 4.4 | 5.5 |
| 12 | 4.6 | 6.0 |
| 14 | 4.6 | 6.6 |
| 16 | 4.7 | 7.2 |
| 20 | 4.7 | 9.2 |
Polar Diagram
Wind Speed (kn)
Key Specifications
Explore the hull dimensions and sail plan for a27.
Dimensions
Length over all 26.84 ft
Length at Waterline 22.36 ft
Hull Speed 6.3 kn
Beam 7.87 ft
Draft 5.74 ft
Displacement 3,748 lbs
Sails
Main Sail Area 333.68 ft²
Foresail Area 161.46 ft²
Upwind Sail Area 495.14 ft²
Spinnaker/Gennaker Area 699.65 ft²
Construction ratios
Sail area-to-displacement (SA/D)
32.8Capsize screening (CSF)
2.01Comfort ratio (CR)
15.5Discussion
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