Ragnhild — ORC Rating

GPH

676.6

OSN

658.4

LOA

9.85 m

Displacement

3750 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6811

Medium

0.9117

High

1.0303

Triple Offshore

Low

0.8767

Medium

1.126

High

1.2397

Boat Specifications

Dimensions

Length overall: 9.85 m
Beam: 3.22 m
Draft: 1.93 m
Displacement: 3750 kg
Crew weight: 170 kg
Wetted surface: 22.03 m²

Sails

Mainsail: 26.42 m²
Genoa: 29.95 m²
Spinnaker: 61.44 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7 LR
Builder: Beneteau
Designer: Groupe Finot
Year built: 1998

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.

6,42.3,4.380562,52,4.92,60,5.17,75,5.38,90,5.34,110,5.19,120,5.04,135,4.56,146.1,4.011989,150,3.85
8,40.4,5.121213,52,5.79,60,6.06,75,6.27,90,6.25,110,6.26,120,6.12,135,5.6,150,4.89,150.4,4.864893
10,40.3,5.664323,52,6.35,60,6.56,75,6.74,90,6.76,110,6.87,120,6.8,135,6.46,150,5.77,152.4,5.653329
12,40,5.874333,52,6.55,60,6.77,75,6.97,90,7.05,110,7.22,120,7.18,135,6.95,150,6.51,157.6,6.18682
14,39.9,5.943961,52,6.62,60,6.84,75,7.11,90,7.27,110,7.49,120,7.55,135,7.31,150,6.95,180,6.35
16,40.1,5.97447,52,6.64,60,6.86,75,7.18,90,7.46,110,7.67,120,7.93,135,7.71,150,7.29,180,6.82
20,40.8,5.984187,52,6.64,60,6.86,75,7.21,90,7.68,110,7.97,120,8.38,135,8.61,150,8.08,180,7.5

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.92	5.17	5.38	5.34	5.19	5.04	4.56	3.85
8	5.79	6.06	6.27	6.25	6.26	6.12	5.6	4.89
10	6.35	6.56	6.74	6.76	6.87	6.8	6.46	5.77
12	6.55	6.77	6.97	7.05	7.22	7.18	6.95	6.51
14	6.62	6.84	7.11	7.27	7.49	7.55	7.31	6.95
16	6.64	6.86	7.18	7.46	7.67	7.93	7.71	7.29
20	6.64	6.86	7.21	7.68	7.97	8.38	8.61	8.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	3.24	146.1°	3.33
8	40.4°	3.9	150.4°	4.23
10	40.3°	4.32	152.4°	5.01
12	40°	4.5	157.6°	5.72
14	39.9°	4.56	180°	6.35
16	40.1°	4.57	180°	6.82
20	40.8°	4.53	180°	7.5

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