X-xs — ORC Rating | RegattaPages

GPH

703

OSN

682.6

LOA

7.927 m

Displacement

1942 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5916

Medium

0.7931

High

0.8941

Triple Offshore

Low

0.7574

Medium

0.9583

High

1.059

Boat Specifications

Dimensions

Length overall: 7.927 m
Beam: 2.86 m
Draft: 1.4 m
Displacement: 1942 kg
Crew weight: 350 kg
Wetted surface: 14.67 m²

Sails

Mainsail: 21.44 m²
Genoa: 18.73 m²
Spinnaker: 45.97 m²
Asymmetric spinnaker: 0 m²

Design

Type: X79
Builder: X Yachts
Designer: N. Jeppesen
Year built: 1969
Stability index: 96.5

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.

6,42.9,4.368345,52,4.84,60,5.07,75,5.2,90,5.1,110,5.11,120,4.95,135,4.45,146.2,3.874922,150,3.72
8,40.8,5.072688,52,5.62,60,5.79,75,5.89,90,5.93,110,5.98,120,5.86,135,5.41,150,4.73,151,4.687752
10,38.8,5.491841,52,6.01,60,6.14,75,6.24,90,6.33,110,6.44,120,6.36,135,6.09,150,5.58,154.1,5.402655
12,37.6,5.616633,52,6.18,60,6.32,75,6.47,90,6.53,110,6.78,120,6.75,135,6.5,150,6.15,166.4,5.689529
14,37.5,5.697335,52,6.26,60,6.42,75,6.65,90,6.76,110,7.08,120,7.11,135,6.88,150,6.53,177.2,6.057232
16,37.5,5.747754,52,6.3,60,6.48,75,6.76,90,6.96,110,7.36,120,7.5,135,7.26,150,6.88,179,6.410976
20,38.2,5.777133,52,6.34,60,6.54,75,6.89,90,7.27,110,7.79,120,8.4,135,8.35,150,7.65,179,7.081078

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.84	5.07	5.2	5.1	5.11	4.95	4.45	3.72
8	5.62	5.79	5.89	5.93	5.98	5.86	5.41	4.73
10	6.01	6.14	6.24	6.33	6.44	6.36	6.09	5.58
12	6.18	6.32	6.47	6.53	6.78	6.75	6.5	6.15
14	6.26	6.42	6.65	6.76	7.08	7.11	6.88	6.53
16	6.3	6.48	6.76	6.96	7.36	7.5	7.26	6.88
20	6.34	6.54	6.89	7.27	7.79	8.4	8.35	7.65

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.2	146.2°	3.22
8	40.8°	3.84	151°	4.1
10	38.8°	4.28	154.1°	4.86
12	37.6°	4.45	166.4°	5.53
14	37.5°	4.52	177.2°	6.05
16	37.5°	4.56	179°	6.41
20	38.2°	4.54	179°	7.08

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