SIOUXSIE — ORC Rating

GPH

654.1

OSN

636.2

LOA

8.961 m

Displacement

2701 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6493

Medium

0.8497

High

0.9546

Triple Offshore

Low

0.8244

Medium

1.0239

High

1.1287

Boat Specifications

Dimensions

Length overall: 8.961 m
Beam: 3.39 m
Draft: 1.76 m
Displacement: 2701 kg
Crew weight: 447 kg
Wetted surface: 18.31 m²

Sails

Mainsail: 23.71 m²
Genoa: 36.35 m²
Spinnaker: 67 m²
Asymmetric spinnaker: 0 m²

Design

Type: J-29
Builder: J-Boats
Designer: R.Johnstone
Year built: 1986
Stability index: 102.2

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.

6,41.8,4.855958,52,5.41,60,5.63,75,5.75,90,5.63,110,5.32,120,5.18,135,4.71,145.7,4.200469,150,4
8,39.6,5.554739,52,6.14,60,6.28,75,6.36,90,6.32,110,6.27,120,6.15,135,5.75,150,5.06,150.5,5.032425
10,37.6,5.894309,52,6.48,60,6.6,75,6.7,90,6.7,110,6.77,120,6.7,135,6.42,150,5.91,154.1,5.725035
12,36.9,6.027376,52,6.62,60,6.77,75,6.94,90,6.99,110,7.15,120,7.12,135,6.86,150,6.48,162.2,6.070603
14,36.6,6.091048,52,6.7,60,6.87,75,7.11,90,7.24,110,7.46,120,7.51,135,7.27,150,6.88,175.4,6.340423
16,36.4,6.125032,52,6.75,60,6.93,75,7.22,90,7.45,110,7.74,120,7.88,135,7.68,150,7.26,178.1,6.723697
20,37,6.173029,52,6.8,60,7,75,7.35,90,7.73,110,8.16,120,8.73,135,8.75,150,8.07,178.4,7.432898

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.41	5.63	5.75	5.63	5.32	5.18	4.71	4
8	6.14	6.28	6.36	6.32	6.27	6.15	5.75	5.06
10	6.48	6.6	6.7	6.7	6.77	6.7	6.42	5.91
12	6.62	6.77	6.94	6.99	7.15	7.12	6.86	6.48
14	6.7	6.87	7.11	7.24	7.46	7.51	7.27	6.88
16	6.75	6.93	7.22	7.45	7.74	7.88	7.68	7.26
20	6.8	7	7.35	7.73	8.16	8.73	8.75	8.07

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	3.62	145.7°	3.47
8	39.6°	4.28	150.5°	4.38
10	37.6°	4.67	154.1°	5.15
12	36.9°	4.82	162.2°	5.78
14	36.6°	4.89	175.4°	6.32
16	36.4°	4.93	178.1°	6.72
20	37°	4.93	178.4°	7.43

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