Karma — ORC Rating | RegattaPages

GPH

727.6

OSN

707.9

LOA

8.65 m

Displacement

3723 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.568

Medium

0.7523

High

0.8585

Triple Offshore

Low

0.7271

Medium

0.9278

High

1.0294

Boat Specifications

Dimensions

Length overall: 8.65 m
Beam: 2.9 m
Draft: 1.55 m
Displacement: 3723 kg
Crew weight: 445 kg
Wetted surface: 19.66 m²

Sails

Mainsail: 20.36 m²
Genoa: 27.59 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 58.69 m²

Design

Type: NORDSHIP 28
Builder: Nordship
Designer: Elvström/Kjärulff
Year built: 1982

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.

6,43.4,4.142726,52,4.58,60,4.81,75,4.94,90,4.85,110,4.89,120,4.74,135,4.3,145.7,3.861526,150,3.69
8,41.7,4.821613,52,5.36,60,5.58,75,5.71,90,5.75,110,5.83,120,5.69,135,5.28,146.7,4.785792,150,4.62
10,40.5,5.299801,52,5.84,60,6,75,6.13,90,6.25,110,6.33,120,6.26,135,5.99,146.7,5.551518,150,5.36
12,39.2,5.574593,52,6.11,60,6.25,75,6.38,90,6.53,110,6.65,120,6.6,135,6.4,147.9,5.984971,150,5.85
14,38.7,5.714795,52,6.27,60,6.41,75,6.57,90,6.71,110,6.94,120,6.91,135,6.71,150,6.19,171.3,5.533671
16,38.2,5.751683,52,6.34,60,6.51,75,6.72,90,6.82,110,7.19,120,7.19,135,6.99,150,6.45,174.9,5.95357
20,38.4,5.793081,52,6.39,60,6.58,75,6.89,90,7.12,110,7.55,120,7.74,135,7.56,150,6.9,177.2,6.507769
24,39.4,5.771718,52,6.37,60,6.59,75,6.98,90,7.3,110,7.79,120,8.21,135,8.19,150,7.34,177.2,6.948295

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.58	4.81	4.94	4.85	4.89	4.74	4.3	3.69
8	5.36	5.58	5.71	5.75	5.83	5.69	5.28	4.62
10	5.84	6	6.13	6.25	6.33	6.26	5.99	5.36
12	6.11	6.25	6.38	6.53	6.65	6.6	6.4	5.85
14	6.27	6.41	6.57	6.71	6.94	6.91	6.71	6.19
16	6.34	6.51	6.72	6.82	7.19	7.19	6.99	6.45
20	6.39	6.58	6.89	7.12	7.55	7.74	7.56	6.9
24	6.37	6.59	6.98	7.3	7.79	8.21	8.19	7.34

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.4°	3.01	145.7°	3.19
8	41.7°	3.6	146.7°	4
10	40.5°	4.03	146.7°	4.64
12	39.2°	4.32	147.9°	5.07
14	38.7°	4.46	171.3°	5.47
16	38.2°	4.52	174.9°	5.93
20	38.4°	4.54	177.2°	6.5
24	39.4°	4.46	177.2°	6.94

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