Beaufort 8.3 — ORC Rating

GPH

701.3

OSN

685.1

LOA

8.38 m

Displacement

1545 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5756

Medium

0.7585

High

0.8365

Triple Offshore

Low

0.7553

Medium

0.9645

High

1.0611

Boat Specifications

Dimensions

Length overall: 8.38 m
Beam: 2.18 m
Draft: 1.15 m
Displacement: 1545 kg
Crew weight: 320 kg
Wetted surface: 13.81 m²

Sails

Mainsail: 21.33 m²
Genoa: 11.71 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 45.32 m²

Design

Type: Beaufort 8.3
Builder: beaufort
Designer: bosgraaf
Year built: 2011
Stability index: 118.3

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.

6,46.8,4.13412,52,4.49,60,4.87,75,5.18,90,5.33,110,5.43,120,5.25,135,4.68,143.9,4.232726,150,3.95
8,45,4.96389,52,5.46,60,5.85,75,6.16,90,6.33,110,6.5,120,6.4,135,5.93,146.6,5.258443,150,5.07
10,44.5,5.425864,52,5.98,60,6.33,75,6.61,90,6.68,110,7.02,120,6.99,135,6.68,148.7,6.132537,150,6.05
12,44.8,5.566746,52,6.1,60,6.45,75,6.84,90,7.05,110,7.41,120,7.64,135,7.26,150,6.62,150.5,6.595005
14,45.7,5.627025,52,6.09,60,6.49,75,6.95,90,7.4,110,7.74,120,8.16,135,7.97,150,7.04,169.4,6.236422
16,46,5.772622,52,6.24,60,6.56,75,7,90,7.62,110,8.05,120,8.58,135,8.84,144.8,8.101378,150,7.65
20,48.6,5.776397,52,6.1,60,6.56,75,7.16,90,7.65,110,8.68,120,9.38,135,10.74,141.7,10.474321,150,9.49

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.49	4.87	5.18	5.33	5.43	5.25	4.68	3.95
8	5.46	5.85	6.16	6.33	6.5	6.4	5.93	5.07
10	5.98	6.33	6.61	6.68	7.02	6.99	6.68	6.05
12	6.1	6.45	6.84	7.05	7.41	7.64	7.26	6.62
14	6.09	6.49	6.95	7.4	7.74	8.16	7.97	7.04
16	6.24	6.56	7	7.62	8.05	8.58	8.84	7.65
20	6.1	6.56	7.16	7.65	8.68	9.38	10.74	9.49

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.8°	2.83	143.9°	3.42
8	45°	3.51	146.6°	4.39
10	44.5°	3.87	148.7°	5.24
12	44.8°	3.95	150.5°	5.74
14	45.7°	3.93	169.4°	6.13
16	46°	4.01	144.8°	6.62
20	48.6°	3.82	141.7°	8.22

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