X Files — ORC Rating | RegattaPages

GPH

684.2

OSN

665.5

LOA

7.927 m

Displacement

1552 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6791

Medium

0.9084

High

1.0201

Triple Offshore

Low

0.8731

Medium

1.107

High

1.2373

Boat Specifications

Dimensions

Length overall: 7.927 m
Beam: 2.84 m
Draft: 1.36 m
Displacement: 1552 kg
Crew weight: 352 kg
Wetted surface: 13.69 m²

Sails

Mainsail: 21.3 m²
Genoa: 18.83 m²
Spinnaker: 48.82 m²
Asymmetric spinnaker: 0 m²

Design

Type: X-79 OD
Builder: Nordsoe Verft
Designer: JEPPESEN
Year built: 1979

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.

6,42.5,4.380984,52,4.89,60,5.15,75,5.38,90,5.32,110,5.3,120,5.13,135,4.61,147.4,3.964616,150,3.86
8,41.7,5.183233,52,5.73,60,5.91,75,6.04,90,6.09,110,6.15,120,6.04,135,5.6,150,4.87,150.9,4.818189
10,39.5,5.611537,52,6.12,60,6.26,75,6.39,90,6.53,110,6.65,120,6.55,135,6.25,150,5.72,153.3,5.585583
12,38.2,5.738958,52,6.31,60,6.5,75,6.73,90,6.79,110,7.15,120,7.05,135,6.72,150,6.29,172.6,5.727705
14,38,5.786723,52,6.38,60,6.61,75,6.98,90,7.12,110,7.58,120,7.58,135,7.19,150,6.72,180,6.19
16,38.1,5.807341,52,6.41,60,6.67,75,7.11,90,7.43,110,7.87,120,8.19,135,7.71,150,7.16,180,6.58
20,39.2,5.832676,52,6.42,60,6.69,75,7.19,90,7.77,110,8.47,120,9.3,135,9.51,150,8.27,180,7.43

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.89	5.15	5.38	5.32	5.3	5.13	4.61	3.86
8	5.73	5.91	6.04	6.09	6.15	6.04	5.6	4.87
10	6.12	6.26	6.39	6.53	6.65	6.55	6.25	5.72
12	6.31	6.5	6.73	6.79	7.15	7.05	6.72	6.29
14	6.38	6.61	6.98	7.12	7.58	7.58	7.19	6.72
16	6.41	6.67	7.11	7.43	7.87	8.19	7.71	7.16
20	6.42	6.69	7.19	7.77	8.47	9.3	9.51	8.27

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.23	147.4°	3.34
8	41.7°	3.87	150.9°	4.21
10	39.5°	4.33	153.3°	4.99
12	38.2°	4.51	172.6°	5.68
14	38°	4.56	180°	6.19
16	38.1°	4.57	180°	6.58
20	39.2°	4.52	180°	7.43

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