Kårstua — ORC Rating

GPH

650.4

OSN

631.9

LOA

9.25 m

Displacement

3933 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6333

Medium

0.8417

High

0.9469

Triple Offshore

Low

0.8129

Medium

1.0387

High

1.1514

Boat Specifications

Dimensions

Length overall: 9.25 m
Beam: 3.2 m
Draft: 2.17 m
Displacement: 3933 kg
Crew weight: 573 kg
Wetted surface: 22.27 m²

Sails

Mainsail: 31.09 m²
Genoa: 25.24 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 94.15 m²

Design

Type: Elan 310 2.15
Builder: Elan
Designer: Humphreys Rob
Year built: 2009
Stability index: 108.8

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.

6,43,4.498507,52,4.99,60,5.23,75,5.38,90,5.54,110,5.63,120,5.47,135,4.89,144.8,4.405583,150,4.16
8,40.6,5.255039,52,5.87,60,6.1,75,6.27,90,6.49,110,6.66,120,6.55,135,6.06,147.8,5.365205,150,5.24
10,39.4,5.784659,52,6.44,60,6.63,75,6.77,90,6.93,110,7.19,120,7.15,135,6.86,147.8,6.298798,150,6.16
12,38.7,6.047945,52,6.73,60,6.91,75,7.08,90,7.13,110,7.58,120,7.62,135,7.36,149.2,6.822204,150,6.77
14,38.2,6.146157,52,6.84,60,7.05,75,7.31,90,7.41,110,7.85,120,8.06,135,7.86,150,7.14,150.2,7.12174
16,38.2,6.222507,52,6.91,60,7.12,75,7.46,90,7.67,110,8.08,120,8.45,135,8.37,150,7.47,173.9,6.728095
20,38.4,6.265205,52,6.96,60,7.2,75,7.62,90,8.05,110,8.48,120,9,135,9.56,150,8.21,175.7,7.440945

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.99	5.23	5.38	5.54	5.63	5.47	4.89	4.16
8	5.87	6.1	6.27	6.49	6.66	6.55	6.06	5.24
10	6.44	6.63	6.77	6.93	7.19	7.15	6.86	6.16
12	6.73	6.91	7.08	7.13	7.58	7.62	7.36	6.77
14	6.84	7.05	7.31	7.41	7.85	8.06	7.86	7.14
16	6.91	7.12	7.46	7.67	8.08	8.45	8.37	7.47
20	6.96	7.2	7.62	8.05	8.48	9	9.56	8.21

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.29	144.8°	3.6
8	40.6°	3.99	147.8°	4.54
10	39.4°	4.47	147.8°	5.33
12	38.7°	4.72	149.2°	5.86
14	38.2°	4.83	150.2°	6.18
16	38.2°	4.89	173.9°	6.69
20	38.4°	4.91	175.7°	7.42

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