SULTAN OF WIND — ORC Rating

GPH

639.7

OSN

623.9

LOA

8 m

Displacement

1331 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6614

Medium

0.8464

High

0.969

Triple Offshore

Low

0.8424

Medium

1.0428

High

1.1824

Boat Specifications

Dimensions

Length overall: 8 m
Beam: 2.41 m
Draft: 1.61 m
Displacement: 1331 kg
Crew weight: 400 kg
Wetted surface: 14.13 m²

Sails

Mainsail: 26.04 m²
Genoa: 15.02 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 68.03 m²

Design

Type: Cork 1720 SB
Builder: Cork Yachts
Designer: Tony Castro
Year built: 1998

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.

6,42.4,4.590664,52,5.13,60,5.41,75,5.63,90,5.77,110,5.87,120,5.75,135,5.22,145,4.699982,150,4.44
8,41.2,5.42254,52,6,60,6.17,75,6.3,90,6.45,110,6.64,120,6.56,135,6.23,149,5.59984,150,5.55
10,38.2,5.751683,52,6.36,60,6.53,75,6.71,90,6.75,110,7.24,120,7.27,135,6.85,150,6.3,151.8,6.195369
12,37.9,5.880235,52,6.48,60,6.71,75,7.1,90,7.23,110,7.62,120,7.98,135,7.56,149,6.848138,150,6.78
14,37.7,5.91489,52,6.54,60,6.8,75,7.3,90,7.73,110,8.02,120,8.48,135,8.47,146.2,7.67764,150,7.37
16,37.5,5.987244,52,6.6,60,6.86,75,7.42,90,8.05,110,8.41,120,8.92,135,9.53,144.5,8.671988,150,8.16
20,39,6.022035,52,6.67,60,7.02,75,7.67,90,8.3,110,9.29,120,9.93,135,11.59,142.1,12.140658,150,11.06

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.13	5.41	5.63	5.77	5.87	5.75	5.22	4.44
8	6	6.17	6.3	6.45	6.64	6.56	6.23	5.55
10	6.36	6.53	6.71	6.75	7.24	7.27	6.85	6.3
12	6.48	6.71	7.1	7.23	7.62	7.98	7.56	6.78
14	6.54	6.8	7.3	7.73	8.02	8.48	8.47	7.37
16	6.6	6.86	7.42	8.05	8.41	8.92	9.53	8.16
20	6.67	7.02	7.67	8.3	9.29	9.93	11.59	11.06

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.39	145°	3.85
8	41.2°	4.08	149°	4.8
10	38.2°	4.52	151.8°	5.46
12	37.9°	4.64	149°	5.87
14	37.7°	4.68	146.2°	6.38
16	37.5°	4.75	144.5°	7.06
20	39°	4.68	142.1°	9.58

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