ROSSKO — ORC Rating | RegattaPages

GPH

598.7

OSN

579.4

LOA

10.876 m

Displacement

5026 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6717

Medium

0.9242

High

1.0745

Triple Offshore

Low

0.8674

Medium

1.1335

High

1.2896

Boat Specifications

Dimensions

Length overall: 10.876 m
Beam: 3.66 m
Draft: 2.16 m
Displacement: 5026 kg
Crew weight: 750 kg
Wetted surface: 27.45 m²

Sails

Mainsail: 37.63 m²
Genoa: 31.04 m²
Spinnaker: 111.18 m²
Asymmetric spinnaker: 0 m²

Design

Type: JPK 10.80
Builder: JPK Composites
Designer: JPK Design
Year built: 2013

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.

6,43.1,4.724977,52,5.3,60,5.62,75,5.87,90,5.85,110,5.98,120,5.83,135,5.27,142.2,4.897773,150,4.46
8,41.4,5.599171,52,6.32,60,6.64,75,6.88,90,7.01,110,7.15,120,7.04,135,6.52,148,5.719015,150,5.6
10,40.5,6.338719,52,7.04,60,7.24,75,7.4,90,7.56,110,7.74,120,7.66,135,7.35,150,6.62,150.2,6.614691
12,38.6,6.73047,52,7.41,60,7.58,75,7.73,90,7.76,110,8.22,120,8.19,135,7.84,150,7.35,157,7.017888
14,37.9,6.894069,52,7.59,60,7.8,75,8.04,90,8.06,110,8.59,120,8.78,135,8.37,150,7.8,174,7.098888
16,37.5,6.945203,52,7.66,60,7.91,75,8.31,90,8.43,110,8.88,120,9.31,135,8.98,150,8.28,180,7.56
20,37.1,7.033743,52,7.72,60,7.98,75,8.57,90,9.11,110,9.48,120,10.05,135,10.55,150,9.43,180,8.45

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.3	5.62	5.87	5.85	5.98	5.83	5.27	4.46
8	6.32	6.64	6.88	7.01	7.15	7.04	6.52	5.6
10	7.04	7.24	7.4	7.56	7.74	7.66	7.35	6.62
12	7.41	7.58	7.73	7.76	8.22	8.19	7.84	7.35
14	7.59	7.8	8.04	8.06	8.59	8.78	8.37	7.8
16	7.66	7.91	8.31	8.43	8.88	9.31	8.98	8.28
20	7.72	7.98	8.57	9.11	9.48	10.05	10.55	9.43

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.45	142.2°	3.87
8	41.4°	4.2	148°	4.85
10	40.5°	4.82	150.2°	5.74
12	38.6°	5.26	157°	6.46
14	37.9°	5.44	174°	7.06
16	37.5°	5.51	180°	7.56
20	37.1°	5.61	180°	8.45

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