BLUE SPIRIT — ORC Rating

GPH

674

OSN

650.2

LOA

9.61 m

Displacement

3724 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5926

Medium

0.823

High

0.9604

Triple Offshore

Low

0.7635

Medium

1.0117

High

1.1467

Boat Specifications

Dimensions

Length overall: 9.61 m
Beam: 3.21 m
Draft: 1.93 m
Displacement: 3724 kg
Crew weight: 450 kg
Wetted surface: 21.5 m²

Sails

Mainsail: 25.11 m²
Genoa: 25.37 m²
Spinnaker: 58.48 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7
Builder: Beneteau
Designer: Finot
Year built: 1998
Stability index: 119.5

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.

6,43.6,4.335987,52,4.8,60,5.06,75,5.23,90,5.11,110,5.14,120,4.97,135,4.45,145.7,3.946262,150,3.76
8,41.4,5.119242,52,5.72,60,5.97,75,6.14,90,6.13,110,6.24,120,6.08,135,5.55,149.8,4.847995,150,4.84
10,40,5.678522,52,6.32,60,6.52,75,6.68,90,6.78,110,6.89,120,6.8,135,6.4,150,5.75,153.2,5.601702
12,38.7,6.035131,52,6.69,60,6.85,75,7.01,90,7.14,110,7.31,120,7.25,135,6.94,150,6.48,157.7,6.149957
14,37.8,6.188659,52,6.88,60,7.06,75,7.25,90,7.35,110,7.68,120,7.64,135,7.35,150,6.96,170,6.397188
16,37.6,6.260337,52,6.97,60,7.18,75,7.45,90,7.56,110,8.01,120,8.02,135,7.76,150,7.35,177.2,6.808128
20,38.2,6.311582,52,7.03,60,7.27,75,7.69,90,7.99,110,8.47,120,8.79,135,8.62,150,8.11,179,7.531147

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.8	5.06	5.23	5.11	5.14	4.97	4.45	3.76
8	5.72	5.97	6.14	6.13	6.24	6.08	5.55	4.84
10	6.32	6.52	6.68	6.78	6.89	6.8	6.4	5.75
12	6.69	6.85	7.01	7.14	7.31	7.25	6.94	6.48
14	6.88	7.06	7.25	7.35	7.68	7.64	7.35	6.96
16	6.97	7.18	7.45	7.56	8.01	8.02	7.76	7.35
20	7.03	7.27	7.69	7.99	8.47	8.79	8.62	8.11

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.14	145.7°	3.26
8	41.4°	3.84	149.8°	4.19
10	40°	4.35	153.2°	5
12	38.7°	4.71	157.7°	5.69
14	37.8°	4.89	170°	6.3
16	37.6°	4.96	177.2°	6.8
20	38.2°	4.96	179°	7.53

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