Kårstua — ORC Rating

GPH

644.3

OSN

625.6

LOA

9.25 m

Displacement

3945 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.71

Medium

0.9682

High

1.1077

Triple Offshore

Low

0.917

Medium

1.1823

High

1.3192

Boat Specifications

Dimensions

Length overall: 9.25 m
Beam: 3.2 m
Draft: 2.17 m
Displacement: 3945 kg
Crew weight: 573 kg
Wetted surface: 22.4 m²

Sails

Mainsail: 30.81 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

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.

6,42.2,4.387122,52,4.92,60,5.17,75,5.38,90,5.62,110,5.71,120,5.57,135,5.03,145.1,4.438202,150,4.2
8,40.6,5.176015,52,5.86,60,6.13,75,6.33,90,6.64,110,6.75,120,6.64,135,6.17,147.9,5.371128,150,5.25
10,40.3,5.861001,52,6.51,60,6.69,75,6.82,90,7.03,110,7.21,120,7.14,135,6.88,150,6.24,150.1,6.240651
12,38.8,6.171905,52,6.8,60,6.95,75,7.1,90,7.19,110,7.58,120,7.57,135,7.29,150,6.9,159.7,6.535955
14,38.1,6.264812,52,6.91,60,7.09,75,7.31,90,7.38,110,7.86,120,8.03,135,7.74,150,7.28,180,6.7
16,38,6.29433,52,6.95,60,7.15,75,7.47,90,7.65,110,8.08,120,8.44,135,8.24,150,7.69,180,7.11
20,37.8,6.36584,52,7,60,7.17,75,7.58,90,8.06,110,8.48,120,8.97,135,9.44,150,8.64,180,7.87

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.92	5.17	5.38	5.62	5.71	5.57	5.03	4.2
8	5.86	6.13	6.33	6.64	6.75	6.64	6.17	5.25
10	6.51	6.69	6.82	7.03	7.21	7.14	6.88	6.24
12	6.8	6.95	7.1	7.19	7.58	7.57	7.29	6.9
14	6.91	7.09	7.31	7.38	7.86	8.03	7.74	7.28
16	6.95	7.15	7.47	7.65	8.08	8.44	8.24	7.69
20	7	7.17	7.58	8.06	8.48	8.97	9.44	8.64

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	3.25	145.1°	3.64
8	40.6°	3.93	147.9°	4.55
10	40.3°	4.47	150.1°	5.41
12	38.8°	4.81	159.7°	6.13
14	38.1°	4.93	180°	6.7
16	38°	4.96	180°	7.11
20	37.8°	5.03	180°	7.87

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