XANTHIPPE — ORC Rating

GPH

689.5

OSN

670.8

LOA

7.927 m

Displacement

1552 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6099

Medium

0.8038

High

0.8973

Triple Offshore

Low

0.7798

Medium

0.9727

High

1.0752

Boat Specifications

Dimensions

Length overall: 7.927 m
Beam: 2.86 m
Draft: 1.36 m
Displacement: 1552 kg
Crew weight: 352 kg
Wetted surface: 13.67 m²

Sails

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

Design

Type: X-79 OD SEERELING
Builder: X-YACHTS
Designer: JEPPESEN
Year built: 1979
Stability index: 95.9

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.

6,42.9,4.532158,52,5.01,60,5.25,75,5.37,90,5.27,110,5.26,120,5.1,135,4.59,145.6,4.011569,150,3.82
8,40.6,5.241868,52,5.76,60,5.91,75,6,90,6.02,110,6.09,120,5.98,135,5.55,150,4.85,150.5,4.825613
10,38.2,5.535359,52,6.09,60,6.22,75,6.34,90,6.38,110,6.56,120,6.48,135,6.2,150,5.69,154.1,5.51382
12,37.6,5.641876,52,6.21,60,6.37,75,6.58,90,6.65,110,6.93,120,6.92,135,6.64,150,6.26,165.5,5.8049
14,37.6,5.692363,52,6.28,60,6.46,75,6.74,90,6.91,110,7.25,120,7.36,135,7.07,150,6.66,177.2,6.137327
16,37.8,5.745708,52,6.32,60,6.51,75,6.84,90,7.13,110,7.5,120,7.84,135,7.57,150,7.07,178.1,6.523587
20,38.8,5.748469,52,6.34,60,6.57,75,6.96,90,7.41,110,8.02,120,8.89,135,9.58,150,8.11,176.6,7.292837

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.01	5.25	5.37	5.27	5.26	5.1	4.59	3.82
8	5.76	5.91	6	6.02	6.09	5.98	5.55	4.85
10	6.09	6.22	6.34	6.38	6.56	6.48	6.2	5.69
12	6.21	6.37	6.58	6.65	6.93	6.92	6.64	6.26
14	6.28	6.46	6.74	6.91	7.25	7.36	7.07	6.66
16	6.32	6.51	6.84	7.13	7.5	7.84	7.57	7.07
20	6.34	6.57	6.96	7.41	8.02	8.89	9.58	8.11

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.32	145.6°	3.31
8	40.6°	3.98	150.5°	4.2
10	38.2°	4.35	154.1°	4.96
12	37.6°	4.47	165.5°	5.62
14	37.6°	4.51	177.2°	6.13
16	37.8°	4.54	178.1°	6.52
20	38.8°	4.48	176.6°	7.28

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