SWIFTSURE — ORC Rating

GPH

529.3

OSN

519.1

LOA

15.167 m

Displacement

10216 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8018

Medium

1.0327

High

1.1796

Triple Offshore

Low

1.0287

Medium

1.258

High

1.3884

Boat Specifications

Dimensions

Length overall: 15.167 m
Beam: 4.5 m
Draft: 3.06 m
Displacement: 10216 kg
Crew weight: 891 kg
Wetted surface: 37.91 m²

Sails

Mainsail: 87.94 m²
Genoa: 75.16 m²
Spinnaker: 141.91 m²
Asymmetric spinnaker: 130.76 m²

Design

Type: NM 50 IOR
Builder: ESPIRIT
Designer: NELSON/MAREK
Year built: 1990
Stability index: 116.2

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.

6,40.6,6.190146,52,6.96,60,7.25,75,7.43,90,7.32,110,6.7,120,6.41,135,5.73,140.8,5.355222,150,4.8
8,38.2,6.87148,52,7.7,60,7.92,75,8.08,90,8.04,110,7.78,120,7.62,135,7.01,146,6.248209,150,5.98
10,36.6,7.162276,52,8,60,8.2,75,8.41,90,8.44,110,8.4,120,8.3,135,7.88,150,7.04,151.4,6.947743
12,35.8,7.336044,52,8.17,60,8.36,75,8.6,90,8.73,110,8.8,120,8.75,135,8.43,150,7.84,156.5,7.502235
14,35.2,7.452779,52,8.28,60,8.48,75,8.74,90,8.94,110,9.14,120,9.16,135,8.88,150,8.39,166.4,7.757513
16,35.1,7.55363,52,8.37,60,8.56,75,8.86,90,9.12,110,9.43,120,9.56,135,9.32,150,8.83,177.2,8.139718
20,35,7.654257,52,8.47,60,8.68,75,9.03,90,9.39,110,9.87,120,10.38,135,10.32,150,9.73,179,9.001371

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.96	7.25	7.43	7.32	6.7	6.41	5.73	4.8
8	7.7	7.92	8.08	8.04	7.78	7.62	7.01	5.98
10	8	8.2	8.41	8.44	8.4	8.3	7.88	7.04
12	8.17	8.36	8.6	8.73	8.8	8.75	8.43	7.84
14	8.28	8.48	8.74	8.94	9.14	9.16	8.88	8.39
16	8.37	8.56	8.86	9.12	9.43	9.56	9.32	8.83
20	8.47	8.68	9.03	9.39	9.87	10.38	10.32	9.73

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	40.6°	4.7	140.8°	4.15
8	38.2°	5.4	146°	5.18
10	36.6°	5.75	151.4°	6.1
12	35.8°	5.95	156.5°	6.88
14	35.2°	6.09	166.4°	7.54
16	35.1°	6.18	177.2°	8.13
20	35°	6.27	179°	9

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