PARTY TIME — ORC Rating

GPH

565.3

OSN

548.7

LOA

10.19 m

Displacement

3050 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7228

Medium

0.9712

High

1.1185

Triple Offshore

Low

0.9321

Medium

1.1922

High

1.3611

Boat Specifications

Dimensions

Length overall: 10.19 m
Beam: 3.82 m
Draft: 2.45 m
Displacement: 3050 kg
Crew weight: 700 kg
Wetted surface: 22.73 m²

Sails

Mainsail: 41.16 m²
Genoa: 25.11 m²
Spinnaker: 98.42 m²
Asymmetric spinnaker: 122.89 m²

Design

Type: YOUNG ROCKET 31mod
Builder: CANTERBURY MARINE
Designer: YOUNG Jim
Year built: 1988

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.

6,42.4,5.118793,52,5.76,60,6.09,75,6.34,90,6.37,110,6.52,120,6.36,135,5.6,143,5.096192,150,4.7
8,41.2,6.126939,52,6.82,60,7.05,75,7.2,90,7.34,110,7.51,120,7.43,135,7.01,145.5,6.224775,150,5.92
10,38.6,6.666492,52,7.32,60,7.5,75,7.67,90,7.7,110,8.19,120,8.17,135,7.74,150,6.974391
12,37.1,6.833137,52,7.57,60,7.83,75,8.14,90,8.18,110,8.65,120,8.89,135,8.46,150,7.7,156.5,7.371382
14,36.4,6.89532,52,7.7,60,8.02,75,8.51,90,8.71,110,9.03,120,9.49,135,9.33,150,8.35,175,7.347961
16,36,6.921981,52,7.78,60,8.14,75,8.72,90,9.2,110,9.46,120,9.98,135,10.37,150,9.09,155,8.705652
20,36,6.996145,52,7.92,60,8.26,75,8.94,90,9.78,110,10.37,120,11.09,135,12.68,142,12.474449,150,11.35

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.76	6.09	6.34	6.37	6.52	6.36	5.6	4.7
8	6.82	7.05	7.2	7.34	7.51	7.43	7.01	5.92
10	7.32	7.5	7.67	7.7	8.19	8.17	7.74	6.97
12	7.57	7.83	8.14	8.18	8.65	8.89	8.46	7.7
14	7.7	8.02	8.51	8.71	9.03	9.49	9.33	8.35
16	7.78	8.14	8.72	9.2	9.46	9.98	10.37	9.09
20	7.92	8.26	8.94	9.78	10.37	11.09	12.68	11.35

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.78	143°	4.07
8	41.2°	4.61	145.5°	5.13
10	38.6°	5.21	150°	6.04
12	37.1°	5.45	156.5°	6.76
14	36.4°	5.55	175°	7.32
16	36°	5.6	155°	7.89
20	36°	5.66	142°	9.83

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