SIOUXSIE — ORC Rating

GPH

654

OSN

637.6

LOA

9.449 m

Displacement

2700 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6426

Medium

0.8459

High

0.9494

Triple Offshore

Low

0.8215

Medium

1.0254

High

1.1337

Boat Specifications

Dimensions

Length overall: 9.449 m
Beam: 3.39 m
Draft: 1.76 m
Displacement: 2700 kg
Crew weight: 465 kg
Wetted surface: 18.38 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

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.

6,42,4.696258,52,5.27,60,5.56,75,5.79,90,5.72,110,5.37,120,5.23,135,4.77,146.5,4.221201,150,4.07
8,41.2,5.528864,52,6.11,60,6.28,75,6.4,90,6.4,110,6.34,120,6.24,135,5.84,150,5.092229
10,39,5.906226,52,6.47,60,6.6,75,6.72,90,6.75,110,6.81,120,6.74,135,6.48,150,5.96,153,5.824873
12,37.9,6.03231,52,6.61,60,6.78,75,6.99,90,7.05,110,7.24,120,7.18,135,6.89,150,6.52,164,6.064946
14,37.5,6.075477,52,6.68,60,6.87,75,7.2,90,7.36,110,7.62,120,7.64,135,7.33,150,6.9,180,6.38
16,37.5,6.113291,52,6.71,60,6.93,75,7.31,90,7.61,110,7.9,120,8.07,135,7.78,150,7.3,180,6.76
20,37.9,6.133694,52,6.73,60,6.95,75,7.41,90,7.89,110,8.31,120,8.78,135,8.88,150,8.15,180,7.52

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.27	5.56	5.79	5.72	5.37	5.23	4.77	4.07
8	6.11	6.28	6.4	6.4	6.34	6.24	5.84	5.09
10	6.47	6.6	6.72	6.75	6.81	6.74	6.48	5.96
12	6.61	6.78	6.99	7.05	7.24	7.18	6.89	6.52
14	6.68	6.87	7.2	7.36	7.62	7.64	7.33	6.9
16	6.71	6.93	7.31	7.61	7.9	8.07	7.78	7.3
20	6.73	6.95	7.41	7.89	8.31	8.78	8.88	8.15

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.49	146.5°	3.52
8	41.2°	4.16	150°	4.41
10	39°	4.59	153°	5.19
12	37.9°	4.76	164°	5.83
14	37.5°	4.82	180°	6.38
16	37.5°	4.85	180°	6.76
20	37.9°	4.84	180°	7.52

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