FIFTY-50 — ORC Rating

GPH

641.9

OSN

625.6

LOA

10.02 m

Displacement

4024 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6323

Medium

0.8564

High

0.9794

Triple Offshore

Low

0.8209

Medium

1.053

High

1.1743

Boat Specifications

Dimensions

Length overall: 10.02 m
Beam: 3.38 m
Draft: 1.89 m
Displacement: 4024 kg
Crew weight: 568 kg
Wetted surface: 22.42 m²

Sails

Mainsail: 35.88 m²
Genoa: 29.5 m²
Spinnaker: 58.64 m²
Asymmetric spinnaker: 53.58 m²

Design

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

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.

6,42.4,4.658372,52,5.25,60,5.55,75,5.79,90,5.88,110,5.58,120,5.27,135,4.72,145.5,4.161984,150,3.96
8,41.2,5.488993,52,6.18,60,6.43,75,6.61,90,6.77,110,6.59,120,6.38,135,5.79,150,5.0114
10,40.3,6.097015,52,6.7,60,6.86,75,7.02,90,7.18,110,7.1,120,7,135,6.63,150,5.93,153,5.77998
12,39,6.292254,52,6.91,60,7.08,75,7.26,90,7.53,110,7.5,120,7.4,135,7.09,150,6.67,159,6.298333
14,38.4,6.354525,52,6.99,60,7.18,75,7.47,90,7.82,110,7.91,120,7.83,135,7.48,150,7.1,180,6.53
16,38.2,6.387931,52,7.03,60,7.24,75,7.6,90,8.01,110,8.29,120,8.26,135,7.91,150,7.46,180,6.99
20,39,6.433798,52,7.04,60,7.27,75,7.72,90,8.25,110,8.92,120,9.1,135,8.85,150,8.28,180,7.72

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.25	5.55	5.79	5.88	5.58	5.27	4.72	3.96
8	6.18	6.43	6.61	6.77	6.59	6.38	5.79	5.01
10	6.7	6.86	7.02	7.18	7.1	7	6.63	5.93
12	6.91	7.08	7.26	7.53	7.5	7.4	7.09	6.67
14	6.99	7.18	7.47	7.82	7.91	7.83	7.48	7.1
16	7.03	7.24	7.6	8.01	8.29	8.26	7.91	7.46
20	7.04	7.27	7.72	8.25	8.92	9.1	8.85	8.28

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.44	145.5°	3.43
8	41.2°	4.13	150°	4.34
10	40.3°	4.65	153°	5.15
12	39°	4.89	159°	5.88
14	38.4°	4.98	180°	6.53
16	38.2°	5.02	180°	6.99
20	39°	5	180°	7.72

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