Relax — ORC Rating | RegattaPages

GPH

707.9

OSN

696.6

LOA

7.927 m

Displacement

1552 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6129

Medium

0.7653

High

0.8239

Triple Offshore

Low

0.7832

Medium

0.9368

High

1.0024

Boat Specifications

Dimensions

Length overall: 7.927 m
Beam: 2.86 m
Draft: 1.36 m
Displacement: 1552 kg
Crew weight: 100 kg
Wetted surface: 12.68 m²

Sails

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

Design

Type: X-79
Builder: X-Yachts
Designer: Jeppesen
Year built: 1979
Stability index: 101.2

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.

6,42.4,4.590664,52,5.09,60,5.3,75,5.43,90,5.34,110,5.3,120,5.16,135,4.67,145.1,4.096802,150,3.88
8,40,5.025818,52,5.64,60,5.83,75,5.98,90,5.98,110,6.06,120,6.01,135,5.61,150,4.91,150.5,4.883061
10,39.6,5.191345,52,5.8,60,6,75,6.22,90,6.31,110,6.45,120,6.47,135,6.24,150,5.73,154.1,5.558287
12,40.6,5.320891,52,5.87,60,6.08,75,6.35,90,6.54,110,6.69,120,6.86,135,6.71,150,6.3,164.6,5.860416
14,41.2,5.356087,52,5.9,60,6.12,75,6.43,90,6.72,110,6.89,120,7.18,135,7.18,150,6.74,176.3,6.172867
16,42,5.369075,52,5.9,60,6.14,75,6.48,90,6.82,110,7.08,120,7.43,135,7.74,150,7.21,177.2,6.587865
20,45.9,5.359867,52,5.77,60,6.08,75,6.51,90,6.93,110,7.41,120,7.93,135,9.26,150,8.55,173,7.505948

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.09	5.3	5.43	5.34	5.3	5.16	4.67	3.88
8	5.64	5.83	5.98	5.98	6.06	6.01	5.61	4.91
10	5.8	6	6.22	6.31	6.45	6.47	6.24	5.73
12	5.87	6.08	6.35	6.54	6.69	6.86	6.71	6.3
14	5.9	6.12	6.43	6.72	6.89	7.18	7.18	6.74
16	5.9	6.14	6.48	6.82	7.08	7.43	7.74	7.21
20	5.77	6.08	6.51	6.93	7.41	7.93	9.26	8.55

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.39	145.1°	3.36
8	40°	3.85	150.5°	4.25
10	39.6°	4	154.1°	5
12	40.6°	4.04	164.6°	5.65
14	41.2°	4.03	176.3°	6.16
16	42°	3.99	177.2°	6.58
20	45.9°	3.73	173°	7.45

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