SPHINX — ORC Rating | RegattaPages

GPH

519.7

OSN

509.5

LOA

21.42 m

Displacement

26650 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8034

Medium

1.047

High

1.2094

Triple Offshore

Low

1.0372

Medium

1.2873

High

1.4235

Boat Specifications

Dimensions

Length overall: 21.42 m
Beam: 3.94 m
Draft: 2.65 m
Displacement: 26650 kg
Crew weight: 1360 kg
Wetted surface: 63.87 m²

Sails

Mainsail: 155.15 m²
Genoa: 96.53 m²
Spinnaker: 239.11 m²
Asymmetric spinnaker: 0 m²

Design

Type: 12 MR
Builder: A+R
Designer: RASMUSSEN
Year built: 1939
Stability index: 165.8

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.

6,42.6,6.126909,52,6.81,60,7.17,75,7.43,90,7.36,110,6.85,120,6.66,135,5.96,141.5,5.545559,150,5.01
8,40.8,6.908896,52,7.74,60,8.03,75,8.24,90,8.21,110,8.03,120,7.91,135,7.34,146.9,6.410266,150,6.21
10,39.6,7.332775,52,8.19,60,8.45,75,8.65,90,8.69,110,8.7,120,8.64,135,8.25,147.5,7.505412,150,7.31
12,38.8,7.609022,52,8.44,60,8.68,75,8.91,90,9,110,9.09,120,9.08,135,8.82,150,8.21,155.6,7.895167
14,37.8,7.745316,52,8.6,60,8.83,75,9.07,90,9.22,110,9.35,120,9.4,135,9.21,150,8.76,162.8,8.2175
16,37.2,7.85909,52,8.72,60,8.93,75,9.2,90,9.39,110,9.52,120,9.69,135,9.55,150,9.16,175.4,8.477306
20,36.9,8.053174,52,8.87,60,9.08,75,9.38,90,9.67,110,9.81,120,10.09,135,10.19,150,9.83,179,9.271412

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.81	7.17	7.43	7.36	6.85	6.66	5.96	5.01
8	7.74	8.03	8.24	8.21	8.03	7.91	7.34	6.21
10	8.19	8.45	8.65	8.69	8.7	8.64	8.25	7.31
12	8.44	8.68	8.91	9	9.09	9.08	8.82	8.21
14	8.6	8.83	9.07	9.22	9.35	9.4	9.21	8.76
16	8.72	8.93	9.2	9.39	9.52	9.69	9.55	9.16
20	8.87	9.08	9.38	9.67	9.81	10.09	10.19	9.83

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	4.51	141.5°	4.34
8	40.8°	5.23	146.9°	5.37
10	39.6°	5.65	147.5°	6.33
12	38.8°	5.93	155.6°	7.19
14	37.8°	6.12	162.8°	7.85
16	37.2°	6.26	175.4°	8.45
20	36.9°	6.44	179°	9.27

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