CENTURION — ORC Rating

GPH

649.7

OSN

633.2

LOA

8.989 m

Displacement

2477 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6468

Medium

0.8502

High

0.9544

Triple Offshore

Low

0.8265

Medium

1.032

High

1.144

Boat Specifications

Dimensions

Length overall: 8.989 m
Beam: 3.39 m
Draft: 1.74 m
Displacement: 2477 kg
Crew weight: 444 kg
Wetted surface: 17.84 m²

Sails

Mainsail: 23.91 m²
Genoa: 34.92 m²
Spinnaker: 63.29 m²
Asymmetric spinnaker: 0 m²

Design

Type: J-29
Builder: TPI
Designer: Rod Johnstone
Year built: 1982

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.

6,42,4.736627,52,5.32,60,5.61,75,5.83,90,5.77,110,5.4,120,5.25,135,4.78,146,4.257949,150,4.08
8,41.2,5.595317,52,6.15,60,6.32,75,6.44,90,6.44,110,6.36,120,6.26,135,5.85,150,5.115323
10,39,5.957697,52,6.5,60,6.64,75,6.77,90,6.8,110,6.85,120,6.78,135,6.5,150,5.98,153.5,5.821656
12,37.9,6.057656,52,6.64,60,6.83,75,7.07,90,7.14,110,7.31,120,7.26,135,6.94,150,6.54,164,6.075349
14,37.5,6.113291,52,6.71,60,6.93,75,7.28,90,7.45,110,7.71,120,7.73,135,7.4,150,6.94,180,6.4
16,37.5,6.138501,52,6.75,60,6.98,75,7.39,90,7.72,110,7.99,120,8.19,135,7.88,150,7.37,180,6.8
20,37.9,6.159039,52,6.77,60,7.01,75,7.49,90,7.99,110,8.46,120,9.01,135,9.14,150,8.28,180,7.59

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.32	5.61	5.83	5.77	5.4	5.25	4.78	4.08
8	6.15	6.32	6.44	6.44	6.36	6.26	5.85	5.11
10	6.5	6.64	6.77	6.8	6.85	6.78	6.5	5.98
12	6.64	6.83	7.07	7.14	7.31	7.26	6.94	6.54
14	6.71	6.93	7.28	7.45	7.71	7.73	7.4	6.94
16	6.75	6.98	7.39	7.72	7.99	8.19	7.88	7.37
20	6.77	7.01	7.49	7.99	8.46	9.01	9.14	8.28

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42°	3.52	146°	3.53
8	41.2°	4.21	150°	4.43
10	39°	4.63	153.5°	5.21
12	37.9°	4.78	164°	5.84
14	37.5°	4.85	180°	6.4
16	37.5°	4.87	180°	6.8
20	37.9°	4.86	180°	7.59

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