DOUBLE JEOPARDY — ORC Rating

GPH

642.5

OSN

625.2

LOA

10.117 m

Displacement

3092 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6344

Medium

0.8619

High

0.981

Triple Offshore

Low

0.8214

Medium

1.0513

High

1.1743

Boat Specifications

Dimensions

Length overall: 10.117 m
Beam: 2.85 m
Draft: 1.79 m
Displacement: 3092 kg
Crew weight: 658 kg
Wetted surface: 20.52 m²

Sails

Mainsail: 30.97 m²
Genoa: 30.73 m²
Spinnaker: 58.31 m²
Asymmetric spinnaker: 0 m²

Design

Type: TAR10/LS 10
Builder: TARTAN
Designer: S&S
Year built: 1978

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.

6,42.4,4.698998,52,5.29,60,5.6,75,5.84,90,5.76,110,5.47,120,5.29,135,4.75,145.5,4.137716,150,3.94
8,41.2,5.568736,52,6.23,60,6.44,75,6.59,90,6.58,110,6.53,120,6.38,135,5.83,150,5,150.5,4.974977
10,39,6.086373,52,6.68,60,6.82,75,6.94,90,6.96,110,7.03,120,6.94,135,6.61,150,5.94,151,5.888273
12,37.5,6.214129,52,6.84,60,7.01,75,7.22,90,7.27,110,7.48,120,7.38,135,7.05,150,6.65,160,6.278649
14,37.1,6.281471,52,6.91,60,7.1,75,7.43,90,7.61,110,7.95,120,7.88,135,7.48,150,7.05,180,6.52
16,37.1,6.331622,52,6.95,60,7.15,75,7.55,90,7.89,110,8.32,120,8.41,135,7.98,150,7.45,180,6.94
20,37.5,6.340176,52,6.96,60,7.17,75,7.64,90,8.19,110,8.84,120,9.44,135,9.2,150,8.41,180,7.73

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.29	5.6	5.84	5.76	5.47	5.29	4.75	3.94
8	6.23	6.44	6.59	6.58	6.53	6.38	5.83	5
10	6.68	6.82	6.94	6.96	7.03	6.94	6.61	5.94
12	6.84	7.01	7.22	7.27	7.48	7.38	7.05	6.65
14	6.91	7.1	7.43	7.61	7.95	7.88	7.48	7.05
16	6.95	7.15	7.55	7.89	8.32	8.41	7.98	7.45
20	6.96	7.17	7.64	8.19	8.84	9.44	9.2	8.41

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.47	145.5°	3.41
8	41.2°	4.19	150.5°	4.33
10	39°	4.73	151°	5.15
12	37.5°	4.93	160°	5.9
14	37.1°	5.01	180°	6.52
16	37.1°	5.05	180°	6.94
20	37.5°	5.03	180°	7.73

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