Not Guilty — ORC Rating

GPH

596

OSN

576.9

LOA

9.397 m

Displacement

2903 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6883

Medium

0.9234

High

1.0717

Triple Offshore

Low

0.8826

Medium

1.1297

High

1.3007

Boat Specifications

Dimensions

Length overall: 9.397 m
Beam: 3.74 m
Draft: 2.33 m
Displacement: 2903 kg
Crew weight: 581 kg
Wetted surface: 22.08 m²

Sails

Mainsail: 37 m²
Genoa: 21.8 m²
Spinnaker: 109.31 m²
Asymmetric spinnaker: 103.87 m²

Design

Type: Eureka 31
Designer: G McKellar
Year built: 1983
Stability index: 123.8

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.

4,42.2,3.455702,52,3.95,60,4.18,75,4.55,90,4.75,110,4.65,120,4.5,135,3.93,143.1,3.513885,150,3.24
6,42.2,4.778588,52,5.32,60,5.56,75,5.96,90,6.16,110,6.13,120,5.99,135,5.43,143.1,4.964457,150,4.58
8,39.5,5.585618,52,6.27,60,6.46,75,6.82,90,6.99,110,7.09,120,7,135,6.57,147.3,5.882278,150,5.72
10,37.7,6.142386,52,6.8,60,6.95,75,7.27,90,7.53,110,7.76,120,7.68,135,7.26,150,6.63,154.2,6.386627
12,35.8,6.411333,52,7.13,60,7.3,75,7.54,90,7.98,110,8.36,120,8.36,135,7.91,150,7.26,160.1,6.838329
14,35.2,6.571662,52,7.35,60,7.58,75,7.85,90,8.3,110,8.85,120,9.08,135,8.61,150,7.86,164.8,7.233037
16,34.8,6.649218,52,7.49,60,7.77,75,8.16,90,8.54,110,9.27,120,9.81,135,9.44,150,8.49,163.7,7.824504
20,34.8,6.75882,52,7.67,60,7.99,75,8.57,90,9.08,110,10.46,120,11.03,135,12.32,137.7,11.924864,150,10.18
24,35.4,6.79648,52,7.73,60,8.1,75,8.8,90,9.66,110,11.63,120,13.48,135,15.1,144.4,15.041186,150,14.12

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
4	3.95	4.18	4.55	4.75	4.65	4.5	3.93	3.24
6	5.32	5.56	5.96	6.16	6.13	5.99	5.43	4.58
8	6.27	6.46	6.82	6.99	7.09	7	6.57	5.72
10	6.8	6.95	7.27	7.53	7.76	7.68	7.26	6.63
12	7.13	7.3	7.54	7.98	8.36	8.36	7.91	7.26
14	7.35	7.58	7.85	8.3	8.85	9.08	8.61	7.86
16	7.49	7.77	8.16	8.54	9.27	9.81	9.44	8.49
20	7.67	7.99	8.57	9.08	10.46	11.03	12.32	10.18
24	7.73	8.1	8.8	9.66	11.63	13.48	15.1	14.12

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
4	42.2°	2.56	143.1°	2.81
6	42.2°	3.54	143.1°	3.97
8	39.5°	4.31	147.3°	4.95
10	37.7°	4.86	154.2°	5.75
12	35.8°	5.2	160.1°	6.43
14	35.2°	5.37	164.8°	6.98
16	34.8°	5.46	163.7°	7.51
20	34.8°	5.55	137.7°	8.82
24	35.4°	5.54	144.4°	12.23

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