OFF COURSE — ORC Rating

GPH

694.7

OSN

674.2

LOA

10 m

Displacement

4927 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6008

Medium

0.7991

High

0.9024

Triple Offshore

Low

0.7648

Medium

0.9715

High

1.0655

Boat Specifications

Dimensions

Length overall: 10 m
Beam: 3.41 m
Draft: 1.82 m
Displacement: 4927 kg
Crew weight: 360 kg
Wetted surface: 22.74 m²

Sails

Mainsail: 23.07 m²
Genoa: 36.58 m²
Spinnaker: 84.59 m²
Asymmetric spinnaker: 0 m²

Design

Type: CARTER 3/4 TON
Builder: N.Shore Yachts
Designer: CARTER
Year built: 1974

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.

6,42.5,4.32673,52,4.81,60,5.03,75,5.16,90,5.06,110,5.11,120,4.98,135,4.54,146.2,4.031363,150,3.87
8,40.5,5.023632,52,5.6,60,5.8,75,5.94,90,5.89,110,6.08,120,5.99,135,5.56,150,4.89,150.5,4.860082
10,39.5,5.468981,52,6.07,60,6.23,75,6.37,90,6.37,110,6.59,120,6.56,135,6.31,150,5.75,152.3,5.635911
12,39.2,5.716538,52,6.3,60,6.46,75,6.62,90,6.65,110,6.89,120,6.91,135,6.74,150,6.37,159.7,6.024167
14,38.8,5.799794,52,6.4,60,6.58,75,6.78,90,6.86,110,7.1,120,7.19,135,7.07,150,6.75,173.2,6.223781
16,38.6,5.847576,52,6.46,60,6.63,75,6.88,90,7.03,110,7.24,120,7.42,135,7.37,150,7.06,178.1,6.593625
20,39,5.854756,52,6.47,60,6.67,75,6.98,90,7.25,110,7.47,120,7.77,135,7.99,150,7.65,178.6,7.182144
24,40.2,5.81307,52,6.42,60,6.66,75,7.02,90,7.36,110,7.5,120,8.03,135,8.65,150,8.34,178.3,7.733404

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.81	5.03	5.16	5.06	5.11	4.98	4.54	3.87
8	5.6	5.8	5.94	5.89	6.08	5.99	5.56	4.89
10	6.07	6.23	6.37	6.37	6.59	6.56	6.31	5.75
12	6.3	6.46	6.62	6.65	6.89	6.91	6.74	6.37
14	6.4	6.58	6.78	6.86	7.1	7.19	7.07	6.75
16	6.46	6.63	6.88	7.03	7.24	7.42	7.37	7.06
20	6.47	6.67	6.98	7.25	7.47	7.77	7.99	7.65
24	6.42	6.66	7.02	7.36	7.5	8.03	8.65	8.34

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.19	146.2°	3.35
8	40.5°	3.82	150.5°	4.23
10	39.5°	4.22	152.3°	4.99
12	39.2°	4.43	159.7°	5.65
14	38.8°	4.52	173.2°	6.18
16	38.6°	4.57	178.1°	6.59
20	39°	4.55	178.6°	7.18
24	40.2°	4.44	178.3°	7.73

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