Blue Ocean — ORC Rating

GPH

773.1

OSN

750.7

LOA

7.55 m

Displacement

2290 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5952

Medium

0.8059

High

0.9265

Triple Offshore

Low

0.7639

Medium

0.9844

High

1.1003

Boat Specifications

Dimensions

Length overall: 7.55 m
Beam: 2.82 m
Draft: 1.44 m
Displacement: 2290 kg
Crew weight: 376 kg
Wetted surface: 14.13 m²

Sails

Mainsail: 13.19 m²
Genoa: 21.59 m²
Spinnaker: 46.45 m²
Asymmetric spinnaker: 0 m²

Design

Type: Oceaan 25 *1.35
Builder: K & S Polyboats
Designer: E G vd Stadt
Year built: 1973

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.

6,42.6,3.73592,52,4.2,60,4.42,75,4.6,90,4.56,110,4.64,120,4.49,135,4.07,148.8,3.577423,150,3.53
8,41.3,4.326042,52,4.93,60,5.19,75,5.36,90,5.42,110,5.54,120,5.45,135,5,150,4.4,153.2,4.279701
10,42.1,4.90582,52,5.42,60,5.61,75,5.74,90,5.88,110,5.97,120,5.92,135,5.72,150,5.22,151.9,5.135316
12,40.4,5.213132,52,5.69,60,5.83,75,5.96,90,6.13,110,6.27,120,6.23,135,6.05,150,5.77,169.8,5.273342
14,39.5,5.352344,52,5.84,60,5.98,75,6.13,90,6.28,110,6.58,120,6.56,135,6.34,150,6.06,180,5.68
16,39,5.378655,52,5.91,60,6.08,75,6.3,90,6.39,110,6.86,120,6.88,135,6.67,150,6.33,180,5.99
20,39.6,5.38602,52,5.92,60,6.12,75,6.49,90,6.76,110,7.14,120,7.39,135,7.29,150,6.93,180,6.52

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.2	4.42	4.6	4.56	4.64	4.49	4.07	3.53
8	4.93	5.19	5.36	5.42	5.54	5.45	5	4.4
10	5.42	5.61	5.74	5.88	5.97	5.92	5.72	5.22
12	5.69	5.83	5.96	6.13	6.27	6.23	6.05	5.77
14	5.84	5.98	6.13	6.28	6.58	6.56	6.34	6.06
16	5.91	6.08	6.3	6.39	6.86	6.88	6.67	6.33
20	5.92	6.12	6.49	6.76	7.14	7.39	7.29	6.93

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	2.75	148.8°	3.06
8	41.3°	3.25	153.2°	3.82
10	42.1°	3.64	151.9°	4.53
12	40.4°	3.97	169.8°	5.19
14	39.5°	4.13	180°	5.68
16	39°	4.18	180°	5.99
20	39.6°	4.15	180°	6.52

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