FIFTY-50 — ORC Rating

GPH

638.4

OSN

620.9

LOA

10.02 m

Displacement

4023 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6431

Medium

0.8669

High

0.99

Triple Offshore

Low

0.8312

Medium

1.0571

High

1.1705

Boat Specifications

Dimensions

Length overall: 10.02 m
Beam: 3.38 m
Draft: 1.89 m
Displacement: 4023 kg
Crew weight: 640 kg
Wetted surface: 22.48 m²

Sails

Mainsail: 35.88 m²
Genoa: 29.36 m²
Spinnaker: 58.64 m²
Asymmetric spinnaker: 53.58 m²

Design

Type: X-102 mod
Builder: X Yachts
Designer: N. Jeppensen
Year built: 1981
Stability index: 98.6

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.

6,43,4.895032,52,5.44,60,5.71,75,5.88,90,5.85,110,5.56,120,5.28,135,4.69,143.9,4.195597,150,3.91
8,40.8,5.693564,52,6.32,60,6.51,75,6.64,90,6.73,110,6.55,120,6.37,135,5.81,149.6,5.031804,150,5.02
10,38.7,6.112012,52,6.72,60,6.88,75,7.01,90,7.15,110,7.1,120,6.99,135,6.61,150,5.96,153.2,5.803364
12,37.6,6.247715,52,6.89,60,7.05,75,7.23,90,7.43,110,7.46,120,7.4,135,7.09,150,6.66,160.4,6.262888
14,37,6.323285,52,6.98,60,7.15,75,7.39,90,7.64,110,7.79,120,7.76,135,7.47,150,7.11,174.8,6.536903
16,37,6.398413,52,7.04,60,7.22,75,7.5,90,7.79,110,8.1,120,8.12,135,7.86,150,7.47,179,6.981063
20,37,6.448499,52,7.1,60,7.3,75,7.64,90,8,110,8.66,120,8.92,135,8.72,150,8.21,179,7.68117

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.44	5.71	5.88	5.85	5.56	5.28	4.69	3.91
8	6.32	6.51	6.64	6.73	6.55	6.37	5.81	5.02
10	6.72	6.88	7.01	7.15	7.1	6.99	6.61	5.96
12	6.89	7.05	7.23	7.43	7.46	7.4	7.09	6.66
14	6.98	7.15	7.39	7.64	7.79	7.76	7.47	7.11
16	7.04	7.22	7.5	7.79	8.1	8.12	7.86	7.47
20	7.1	7.3	7.64	8	8.66	8.92	8.72	8.21

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.58	143.9°	3.39
8	40.8°	4.31	149.6°	4.34
10	38.7°	4.77	153.2°	5.18
12	37.6°	4.95	160.4°	5.9
14	37°	5.05	174.8°	6.51
16	37°	5.11	179°	6.98
20	37°	5.15	179°	7.68

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