XANTHIPPE — ORC Rating

GPH

691.8

OSN

672.5

LOA

7.927 m

Displacement

1552 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5943

Medium

0.7977

High

0.8955

Triple Offshore

Low

0.7653

Medium

0.9754

High

1.086

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: 13.68 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: 95.8

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.

6,43,4.320755,52,4.81,60,5.07,75,5.29,90,5.22,110,5.23,120,5.05,135,4.54,146,3.968457,150,3.8
8,42,5.140317,52,5.68,60,5.87,75,6,90,6.07,110,6.12,120,6.01,135,5.55,150,4.82,150.5,4.791145
10,40,5.574089,52,6.1,60,6.24,75,6.37,90,6.49,110,6.64,120,6.53,135,6.23,150,5.71,152.8,5.576691
12,39,5.687477,52,6.25,60,6.45,75,6.7,90,6.75,110,7.13,120,7.05,135,6.71,150,6.29,164.6,5.860416
14,38.8,5.735637,52,6.32,60,6.54,75,6.93,90,7.11,110,7.5,120,7.57,135,7.2,150,6.74,177.2,6.167363
16,39.1,5.772851,52,6.35,60,6.6,75,7.03,90,7.39,110,7.75,120,8.11,135,7.73,150,7.19,177.2,6.567841
20,40.2,5.826163,52,6.39,60,6.65,75,7.12,90,7.68,110,8.26,120,9.01,135,9.51,150,8.27,176.6,7.423066

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.81	5.07	5.29	5.22	5.23	5.05	4.54	3.8
8	5.68	5.87	6	6.07	6.12	6.01	5.55	4.82
10	6.1	6.24	6.37	6.49	6.64	6.53	6.23	5.71
12	6.25	6.45	6.7	6.75	7.13	7.05	6.71	6.29
14	6.32	6.54	6.93	7.11	7.5	7.57	7.2	6.74
16	6.35	6.6	7.03	7.39	7.75	8.11	7.73	7.19
20	6.39	6.65	7.12	7.68	8.26	9.01	9.51	8.27

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.16	146°	3.29
8	42°	3.82	150.5°	4.17
10	40°	4.27	152.8°	4.96
12	39°	4.42	164.6°	5.65
14	38.8°	4.47	177.2°	6.16
16	39.1°	4.48	177.2°	6.56
20	40.2°	4.45	176.6°	7.41

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