SLEEPING TIGER — ORC Rating

GPH

570.3

OSN

554.2

LOA

12.24 m

Displacement

7009 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7115

Medium

0.9696

High

1.1157

Triple Offshore

Low

0.9201

Medium

1.186

High

1.333

Boat Specifications

Dimensions

Length overall: 12.24 m
Beam: 3.67 m
Draft: 2.17 m
Displacement: 7009 kg
Crew weight: 1010 kg
Wetted surface: 33.03 m²

Sails

Mainsail: 47 m²
Genoa: 51.7 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 164.69 m²

Design

Type: J-120
Builder: TILLOTSON-PEARSON
Designer: JOHNSTONE
Year built: 1994

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.

6,43.1,5.108453,52,5.71,60,6.07,75,6.37,90,6.28,110,6.26,120,6.14,135,5.48,142.1,5.094514,150,4.64
8,41.6,6.057785,52,6.81,60,7.11,75,7.32,90,7.31,110,7.48,120,7.4,135,6.88,148,5.907684,150,5.79
10,40.5,6.772698,52,7.45,60,7.64,75,7.78,90,7.8,110,8.03,120,8,135,7.73,147.5,7.102277,150,6.92
12,38.8,7.018778,52,7.71,60,7.89,75,8.07,90,8.12,110,8.45,120,8.49,135,8.22,150,7.72,155.5,7.461856
14,37.5,7.109064,52,7.83,60,8.03,75,8.32,90,8.43,110,8.77,120,9.02,135,8.76,150,8.17,169,7.477381
16,36.9,7.177829,52,7.9,60,8.12,75,8.5,90,8.75,110,9.04,120,9.47,135,9.38,150,8.66,180,7.86
20,36.6,7.237012,52,7.97,60,8.22,75,8.71,90,9.26,110,9.61,120,10.16,135,10.88,150,9.85,180,8.75

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.71	6.07	6.37	6.28	6.26	6.14	5.48	4.64
8	6.81	7.11	7.32	7.31	7.48	7.4	6.88	5.79
10	7.45	7.64	7.78	7.8	8.03	8	7.73	6.92
12	7.71	7.89	8.07	8.12	8.45	8.49	8.22	7.72
14	7.83	8.03	8.32	8.43	8.77	9.02	8.76	8.17
16	7.9	8.12	8.5	8.75	9.04	9.47	9.38	8.66
20	7.97	8.22	8.71	9.26	9.61	10.16	10.88	9.85

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.73	142.1°	4.02
8	41.6°	4.53	148°	5.01
10	40.5°	5.15	147.5°	5.99
12	38.8°	5.47	155.5°	6.79
14	37.5°	5.64	169°	7.34
16	36.9°	5.74	180°	7.86
20	36.6°	5.81	180°	8.75

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