Allegro — ORC Rating | RegattaPages

GPH

669

OSN

646.4

LOA

9.85 m

Displacement

3717 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6023

Medium

0.8291

High

0.9578

Triple Offshore

Low

0.7752

Medium

1.0172

High

1.1426

Boat Specifications

Dimensions

Length overall: 9.85 m
Beam: 3.21 m
Draft: 1.93 m
Displacement: 3717 kg
Crew weight: 575 kg
Wetted surface: 21.83 m²

Sails

Mainsail: 26.23 m²
Genoa: 28.73 m²
Spinnaker: 56.78 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 31.7 LR
Builder: Beneteau
Designer: Groupe Finot
Year built: 1998
Stability index: 106.6

Velocity Prediction

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into WX Navigator or compatible navigation software.

6,43.5,4.508017,52,4.99,60,5.24,75,5.39,90,5.26,110,5.11,120,4.93,135,4.4,146,3.884022,150,3.72
8,41.2,5.302925,52,5.9,60,6.13,75,6.28,90,6.2,110,6.22,120,6.04,135,5.5,149.8,4.813284,150,4.8
10,39.4,5.810541,52,6.45,60,6.63,75,6.77,90,6.77,110,6.88,120,6.77,135,6.35,150,5.71,153.2,5.556889
12,38.2,6.069807,52,6.74,60,6.91,75,7.06,90,7.12,110,7.29,120,7.22,135,6.91,150,6.44,158.2,6.095947
14,37.8,6.176003,52,6.87,60,7.06,75,7.29,90,7.37,110,7.65,120,7.6,135,7.31,150,6.94,170,6.366725
16,37.6,6.235093,52,6.94,60,7.14,75,7.45,90,7.61,110,7.97,120,7.97,135,7.7,150,7.31,177.2,6.788104
20,37.8,6.264594,52,6.99,60,7.21,75,7.61,90,7.98,110,8.39,120,8.7,135,8.54,150,8.05,179,7.491141

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.99	5.24	5.39	5.26	5.11	4.93	4.4	3.72
8	5.9	6.13	6.28	6.2	6.22	6.04	5.5	4.8
10	6.45	6.63	6.77	6.77	6.88	6.77	6.35	5.71
12	6.74	6.91	7.06	7.12	7.29	7.22	6.91	6.44
14	6.87	7.06	7.29	7.37	7.65	7.6	7.31	6.94
16	6.94	7.14	7.45	7.61	7.97	7.97	7.7	7.31
20	6.99	7.21	7.61	7.98	8.39	8.7	8.54	8.05

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.27	146°	3.22
8	41.2°	3.99	149.8°	4.16
10	39.4°	4.49	153.2°	4.96
12	38.2°	4.77	158.2°	5.66
14	37.8°	4.88	170°	6.27
16	37.6°	4.94	177.2°	6.78
20	37.8°	4.95	179°	7.49

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