Hello Goodbye — ORC Rating

GPH

640.4

OSN

624.9

LOA

10 m

Displacement

3675 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7266

Medium

0.9673

High

1.0995

Triple Offshore

Low

0.9362

Medium

1.1822

High

1.3112

Boat Specifications

Dimensions

Length overall: 10 m
Beam: 3.37 m
Draft: 1.87 m
Displacement: 3675 kg
Crew weight: 510 kg
Wetted surface: 20.94 m²

Sails

Mainsail: 37.05 m²
Genoa: 32.1 m²
Spinnaker: 59.58 m²
Asymmetric spinnaker: 0 m²

Design

Type: X-3/4
Builder: X-Yachts
Designer: Niels Jeppesen
Year built: 1984

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.

6,41.6,4.787389,52,5.39,60,5.69,75,5.92,90,5.86,110,5.48,120,5.27,135,4.73,146.2,4.163736,150,4
8,41.2,5.688351,52,6.31,60,6.51,75,6.64,90,6.64,110,6.53,120,6.37,135,5.8,150,5.02,151.1,4.957368
10,39.5,6.104005,52,6.7,60,6.85,75,7,90,7.02,110,7.04,120,6.94,135,6.6,150,5.93,152.3,5.816622
12,38.4,6.239685,52,6.84,60,7.03,75,7.25,90,7.33,110,7.46,120,7.36,135,7.05,150,6.63,161.5,6.200415
14,37.9,6.285769,52,6.92,60,7.12,75,7.44,90,7.62,110,7.86,120,7.78,135,7.46,150,7.06,180,6.52
16,38,6.332401,52,6.96,60,7.17,75,7.54,90,7.86,110,8.19,120,8.19,135,7.87,150,7.44,180,6.96
20,38.1,6.37918,52,7.02,60,7.23,75,7.64,90,8.1,110,8.57,120,8.96,135,8.74,150,8.21,180,7.7

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.39	5.69	5.92	5.86	5.48	5.27	4.73	4
8	6.31	6.51	6.64	6.64	6.53	6.37	5.8	5.02
10	6.7	6.85	7	7.02	7.04	6.94	6.6	5.93
12	6.84	7.03	7.25	7.33	7.46	7.36	7.05	6.63
14	6.92	7.12	7.44	7.62	7.86	7.78	7.46	7.06
16	6.96	7.17	7.54	7.86	8.19	8.19	7.87	7.44
20	7.02	7.23	7.64	8.1	8.57	8.96	8.74	8.21

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.6°	3.58	146.2°	3.46
8	41.2°	4.28	151.1°	4.34
10	39.5°	4.71	152.3°	5.15
12	38.4°	4.89	161.5°	5.88
14	37.9°	4.96	180°	6.52
16	38°	4.99	180°	6.96
20	38.1°	5.02	180°	7.7

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