Fully Involved — ORC Rating

GPH

663.3

OSN

638.7

LOA

7.914 m

Displacement

901 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6788

Medium

0.9378

High

1.0868

Triple Offshore

Low

0.8724

Medium

1.1515

High

1.3444

Boat Specifications

Dimensions

Length overall: 7.914 m
Beam: 2.31 m
Draft: 1.84 m
Displacement: 901 kg
Crew weight: 454 kg
Wetted surface: 13.05 m²

Sails

Mainsail: 17.47 m²
Genoa: 15.71 m²
Spinnaker: 40.49 m²
Asymmetric spinnaker: 0 m²

Design

Type: B25
Builder: B Boats
Designer: Beiley
Year built: 1992

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.

6,42.1,4.285854,52,4.83,60,5.09,75,5.3,90,5.21,110,5.24,120,5.08,135,4.57,145.4,4.045502,150,3.84
8,41.4,5.225893,52,5.81,60,5.99,75,6.12,90,6.17,110,6.22,120,6.12,135,5.71,148.5,4.984518,150,4.9
10,38.3,5.721375,52,6.28,60,6.43,75,6.56,90,6.72,110,6.88,120,6.73,135,6.37,150,5.82,152.2,5.720223
12,35.4,5.888647,52,6.59,60,6.84,75,7.11,90,7.12,110,7.64,120,7.49,135,6.97,150,6.41,162.6,5.973338
14,34.6,5.952841,52,6.74,60,7.06,75,7.58,90,7.71,110,8.23,120,8.44,135,7.72,150,6.96,180,6.25
16,34.3,5.979918,52,6.82,60,7.17,75,7.82,90,8.36,110,8.75,120,9.28,135,8.66,150,7.61,180,6.72
20,34.7,6.020843,52,6.85,60,7.25,75,8.03,90,9.01,110,9.66,120,10.43,135,11.29,148.2,9.460018,150,9.29

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.83	5.09	5.3	5.21	5.24	5.08	4.57	3.84
8	5.81	5.99	6.12	6.17	6.22	6.12	5.71	4.9
10	6.28	6.43	6.56	6.72	6.88	6.73	6.37	5.82
12	6.59	6.84	7.11	7.12	7.64	7.49	6.97	6.41
14	6.74	7.06	7.58	7.71	8.23	8.44	7.72	6.96
16	6.82	7.17	7.82	8.36	8.75	9.28	8.66	7.61
20	6.85	7.25	8.03	9.01	9.66	10.43	11.29	9.29

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.18	145.4°	3.33
8	41.4°	3.92	148.5°	4.25
10	38.3°	4.49	152.2°	5.06
12	35.4°	4.8	162.6°	5.7
14	34.6°	4.9	180°	6.25
16	34.3°	4.94	180°	6.72
20	34.7°	4.95	148.2°	8.04

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