Kårstua — ORC Rating

GPH

645.9

OSN

627.8

LOA

9.25 m

Displacement

3935 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.634

Medium

0.851

High

0.9621

Triple Offshore

Low

0.8176

Medium

1.0466

High

1.1609

Boat Specifications

Dimensions

Length overall: 9.25 m
Beam: 3.2 m
Draft: 2.17 m
Displacement: 3935 kg
Crew weight: 573 kg
Wetted surface: 21.67 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.

6,43,4.443814,52,4.96,60,5.24,75,5.44,90,5.63,110,5.72,120,5.56,135,4.98,145.1,4.486974,150,4.25
8,41.1,5.215221,52,5.87,60,6.16,75,6.36,90,6.63,110,6.74,120,6.64,135,6.18,147.8,5.447929,150,5.32
10,40.6,5.887224,52,6.5,60,6.68,75,6.82,90,7.01,110,7.21,120,7.15,135,6.9,148.2,6.377276,150,6.26
12,38.8,6.171905,52,6.8,60,6.95,75,7.09,90,7.18,110,7.59,120,7.6,135,7.32,150,6.83,150.5,6.801817
14,38.2,6.273407,52,6.91,60,7.09,75,7.31,90,7.38,110,7.84,120,8.07,135,7.79,150,7.13,166.4,6.430299
16,37.8,6.302561,52,6.96,60,7.15,75,7.48,90,7.66,110,8.08,120,8.44,135,8.32,150,7.42,175.4,6.761781
20,37.6,6.399175,52,7.02,60,7.2,75,7.6,90,8.09,110,8.49,120,9,135,9.61,150,8.14,176.6,7.393013

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.96	5.24	5.44	5.63	5.72	5.56	4.98	4.25
8	5.87	6.16	6.36	6.63	6.74	6.64	6.18	5.32
10	6.5	6.68	6.82	7.01	7.21	7.15	6.9	6.26
12	6.8	6.95	7.09	7.18	7.59	7.6	7.32	6.83
14	6.91	7.09	7.31	7.38	7.84	8.07	7.79	7.13
16	6.96	7.15	7.48	7.66	8.08	8.44	8.32	7.42
20	7.02	7.2	7.6	8.09	8.49	9	9.61	8.14

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.25	145.1°	3.68
8	41.1°	3.93	147.8°	4.61
10	40.6°	4.47	148.2°	5.42
12	38.8°	4.81	150.5°	5.92
14	38.2°	4.93	166.4°	6.25
16	37.8°	4.98	175.4°	6.74
20	37.6°	5.07	176.6°	7.38

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