SUNDANCE — ORC Rating

GPH

632.9

OSN

618

LOA

12.11 m

Displacement

7943 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6505

Medium

0.8601

High

0.9745

Triple Offshore

Low

0.8384

Medium

1.0657

High

1.1745

Boat Specifications

Dimensions

Length overall: 12.11 m
Beam: 3.83 m
Draft: 2.11 m
Displacement: 7943 kg
Crew weight: 646 kg
Wetted surface: 30.26 m²

Sails

Mainsail: 36.34 m²
Genoa: 59.23 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 116.6 m²

Design

Type: NORTH AMERICAN 40
Builder: MORGAN
Designer: CARTER
Year built: 1977

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.

6,42.6,4.754808,52,5.31,60,5.59,75,5.84,90,5.79,110,5.58,120,5.42,135,4.9,146,4.366509,150,4.18
8,41.2,5.528864,52,6.25,60,6.54,75,6.74,90,6.73,110,6.72,120,6.56,135,5.98,148,5.294511,150,5.19
10,41.2,6.206682,52,6.83,60,7.02,75,7.16,90,7.18,110,7.28,120,7.2,135,6.86,147,6.283755,150,6.08
12,40.1,6.45818,52,7.08,60,7.25,75,7.4,90,7.45,110,7.63,120,7.57,135,7.33,148.5,6.861042,150,6.75
14,39.4,6.548182,52,7.19,60,7.38,75,7.59,90,7.68,110,7.94,120,7.92,135,7.67,150,7.14,170.5,6.276073
16,39.2,6.606925,52,7.24,60,7.44,75,7.74,90,7.9,110,8.17,120,8.27,135,8.02,150,7.41,173,6.820842
20,39.4,6.612887,52,7.27,60,7.49,75,7.88,90,8.24,110,8.48,120,8.78,135,8.71,150,7.92,178,7.444535

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.31	5.59	5.84	5.79	5.58	5.42	4.9	4.18
8	6.25	6.54	6.74	6.73	6.72	6.56	5.98	5.19
10	6.83	7.02	7.16	7.18	7.28	7.2	6.86	6.08
12	7.08	7.25	7.4	7.45	7.63	7.57	7.33	6.75
14	7.19	7.38	7.59	7.68	7.94	7.92	7.67	7.14
16	7.24	7.44	7.74	7.9	8.17	8.27	8.02	7.41
20	7.27	7.49	7.88	8.24	8.48	8.78	8.71	7.92

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.5	146°	3.62
8	41.2°	4.16	148°	4.49
10	41.2°	4.67	147°	5.27
12	40.1°	4.94	148.5°	5.85
14	39.4°	5.06	170.5°	6.19
16	39.2°	5.12	173°	6.77
20	39.4°	5.11	178°	7.44

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