KOURSAROS — ORC Rating

GPH

812.8

OSN

785.5

LOA

8.22 m

Displacement

2800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.49

Medium

0.6778

High

0.7691

Triple Offshore

Low

0.6338

Medium

0.8422

High

0.9297

Boat Specifications

Dimensions

Length overall: 8.22 m
Beam: 2.65 m
Draft: 1.55 m
Displacement: 2800 kg
Crew weight: 240 kg
Wetted surface: 16.19 m²

Sails

Mainsail: 20.45 m²
Genoa: 16.15 m²
Spinnaker: 34 m²
Asymmetric spinnaker: 0 m²

Design

Type: SUNWIND 27
Builder: OY NYKRA FINLAND
Designer: TORD SUNDEN
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.

6,44.5,3.533121,52,3.89,60,4.12,75,4.28,90,4.36,110,4.37,120,4.19,135,3.69,148.8,3.215005,150,3.18
8,42.2,4.198138,52,4.68,60,4.91,75,5.11,90,5.29,110,5.34,120,5.17,135,4.68,150,4.13,152.3,4.054694
10,41.5,4.659822,52,5.21,60,5.45,75,5.66,90,5.85,110,5.93,120,5.84,135,5.48,150,4.95,156.5,4.710706
12,41.8,4.936443,52,5.49,60,5.72,75,5.94,90,6.09,110,6.27,120,6.21,135,5.98,150,5.61,164.9,5.168453
14,42.1,5.040595,52,5.58,60,5.82,75,6.09,90,6.22,110,6.51,120,6.49,135,6.32,150,6.04,175.4,5.588
16,42.7,5.102634,52,5.62,60,5.86,75,6.16,90,6.36,110,6.68,120,6.75,135,6.61,150,6.35,179,5.980911
20,44.2,5.147085,52,5.62,60,5.89,75,6.23,90,6.52,110,6.92,120,7.19,135,7.18,150,6.91,179.2,6.550639
24,46.4,5.104264,52,5.51,60,5.85,75,6.24,90,6.61,110,7.05,120,7.5,135,7.82,150,7.5,179.2,7.08069

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.89	4.12	4.28	4.36	4.37	4.19	3.69	3.18
8	4.68	4.91	5.11	5.29	5.34	5.17	4.68	4.13
10	5.21	5.45	5.66	5.85	5.93	5.84	5.48	4.95
12	5.49	5.72	5.94	6.09	6.27	6.21	5.98	5.61
14	5.58	5.82	6.09	6.22	6.51	6.49	6.32	6.04
16	5.62	5.86	6.16	6.36	6.68	6.75	6.61	6.35
20	5.62	5.89	6.23	6.52	6.92	7.19	7.18	6.91
24	5.51	5.85	6.24	6.61	7.05	7.5	7.82	7.5

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.5°	2.52	148.8°	2.75
8	42.2°	3.11	152.3°	3.59
10	41.5°	3.49	156.5°	4.32
12	41.8°	3.68	164.9°	4.99
14	42.1°	3.74	175.4°	5.57
16	42.7°	3.75	179°	5.98
20	44.2°	3.69	179.2°	6.55
24	46.4°	3.52	179.2°	7.08

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