X-tase — ORC Rating | RegattaPages

GPH

705.8

OSN

685.3

LOA

7.93 m

Displacement

1574 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5836

Medium

0.786

High

0.8832

Triple Offshore

Low

0.7516

Medium

0.9556

High

1.0612

Boat Specifications

Dimensions

Length overall: 7.93 m
Beam: 2.86 m
Draft: 1.36 m
Displacement: 1574 kg
Crew weight: 333 kg
Wetted surface: 13.65 m²

Sails

Mainsail: 21.22 m²
Genoa: 12.38 m²
Spinnaker: 45.31 m²
Asymmetric spinnaker: 0 m²

Design

Type: X-79
Builder: X-Yachts
Designer: Niels Jeppesen
Year built: 1979
Stability index: 96.4

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.

6,43,4.211369,52,4.68,60,4.93,75,5.07,90,5.19,110,5.21,120,5.04,135,4.53,146,3.932271,150,3.76
8,41.2,4.944081,52,5.49,60,5.68,75,5.81,90,6,110,6.05,120,5.93,135,5.49,150,4.79,150.5,4.768165
10,39.4,5.396427,52,5.93,60,6.07,75,6.2,90,6.37,110,6.52,120,6.44,135,6.15,150,5.63,153.8,5.46108
12,38.2,5.548084,52,6.13,60,6.29,75,6.47,90,6.55,110,6.9,120,6.87,135,6.58,150,6.21,166.4,5.740971
14,38.2,5.624434,52,6.2,60,6.39,75,6.67,90,6.78,110,7.22,120,7.3,135,7.01,150,6.61,177.2,6.107291
16,38.4,5.66548,52,6.25,60,6.46,75,6.8,90,7.03,110,7.49,120,7.78,135,7.48,150,7,179,6.470986
20,39.9,5.709331,52,6.28,60,6.51,75,6.94,90,7.39,110,8,120,8.84,135,9.24,150,7.98,178.4,7.222816

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.68	4.93	5.07	5.19	5.21	5.04	4.53	3.76
8	5.49	5.68	5.81	6	6.05	5.93	5.49	4.79
10	5.93	6.07	6.2	6.37	6.52	6.44	6.15	5.63
12	6.13	6.29	6.47	6.55	6.9	6.87	6.58	6.21
14	6.2	6.39	6.67	6.78	7.22	7.3	7.01	6.61
16	6.25	6.46	6.8	7.03	7.49	7.78	7.48	7
20	6.28	6.51	6.94	7.39	8	8.84	9.24	7.98

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.08	146°	3.26
8	41.2°	3.72	150.5°	4.15
10	39.4°	4.17	153.8°	4.9
12	38.2°	4.36	166.4°	5.58
14	38.2°	4.42	177.2°	6.1
16	38.4°	4.44	179°	6.47
20	39.9°	4.38	178.4°	7.22

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