Grey pearl — ORC Rating

GPH

630

OSN

608.5

LOA

9.99 m

Displacement

4000 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.632

Medium

0.8793

High

1.0195

Triple Offshore

Low

0.8185

Medium

1.0814

High

1.2271

Boat Specifications

Dimensions

Length overall: 9.99 m
Beam: 3.4 m
Draft: 2.03 m
Displacement: 4000 kg
Crew weight: 701 kg
Wetted surface: 24.14 m²

Sails

Mainsail: 31.87 m²
Genoa: 32.71 m²
Spinnaker: 79.88 m²
Asymmetric spinnaker: 0 m²

Design

Type: Justin Ten
Builder: Justin
Designer: Justin
Year built: 1999
Stability index: 118.8

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.

6,44.1,4.581367,52,5.08,60,5.4,75,5.64,90,5.54,110,5.55,120,5.39,135,4.86,144.2,4.376968,150,4.1
8,42.3,5.462182,52,6.11,60,6.44,75,6.67,90,6.63,110,6.76,120,6.61,135,6.04,148.4,5.306865,150,5.22
10,41.4,6.159088,52,6.8,60,7.01,75,7.15,90,7.22,110,7.35,120,7.27,135,6.93,150,6.21,151.1,6.145309
12,39.3,6.50005,52,7.14,60,7.31,75,7.46,90,7.49,110,7.81,120,7.74,135,7.42,150,6.97,156.5,6.684404
14,38.2,6.604256,52,7.28,60,7.49,75,7.74,90,7.79,110,8.28,120,8.29,135,7.89,150,7.42,168.2,6.875293
16,37.8,6.656922,52,7.35,60,7.57,75,7.98,90,8.16,110,8.59,120,8.88,135,8.47,150,7.85,177.2,7.22863
20,38.4,6.673528,52,7.38,60,7.63,75,8.18,90,8.77,110,9.14,120,9.74,135,9.9,150,8.97,175.4,8.065982

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.08	5.4	5.64	5.54	5.55	5.39	4.86	4.1
8	6.11	6.44	6.67	6.63	6.76	6.61	6.04	5.22
10	6.8	7.01	7.15	7.22	7.35	7.27	6.93	6.21
12	7.14	7.31	7.46	7.49	7.81	7.74	7.42	6.97
14	7.28	7.49	7.74	7.79	8.28	8.29	7.89	7.42
16	7.35	7.57	7.98	8.16	8.59	8.88	8.47	7.85
20	7.38	7.63	8.18	8.77	9.14	9.74	9.9	8.97

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.1°	3.29	144.2°	3.55
8	42.3°	4.04	148.4°	4.52
10	41.4°	4.62	151.1°	5.38
12	39.3°	5.03	156.5°	6.13
14	38.2°	5.19	168.2°	6.73
16	37.8°	5.26	177.2°	7.22
20	38.4°	5.23	175.4°	8.04

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