KAIROS 4 — ORC Rating

GPH

637.5

OSN

622.1

LOA

8 m

Displacement

1463 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6695

Medium

0.8466

High

0.9705

Triple Offshore

Low

0.8505

Medium

1.0424

High

1.187

Boat Specifications

Dimensions

Length overall: 8 m
Beam: 2.8 m
Draft: 1.76 m
Displacement: 1463 kg
Crew weight: 325 kg
Wetted surface: 13.32 m²

Sails

Mainsail: 25.33 m²
Genoa: 20.68 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 66.91 m²

Design

Type: BEPOX 800
Designer: David Reard
Year built: 2007
Stability index: 117.6

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.

6,42.4,4.780248,52,5.34,60,5.62,75,5.83,90,5.79,110,5.82,120,5.7,135,5.14,144.8,4.6381,150,4.38
8,40.5,5.549667,52,6.09,60,6.24,75,6.36,90,6.41,110,6.55,120,6.49,135,6.17,148.7,5.535668,150,5.46
10,38.4,5.793081,52,6.39,60,6.56,75,6.75,90,6.78,110,7.16,120,7.13,135,6.77,150,6.22,150.9,6.168656
12,37.6,5.906931,52,6.51,60,6.75,75,7.13,90,7.26,110,7.6,120,7.86,135,7.45,149.3,6.756975,150,6.71
14,37,5.947644,52,6.58,60,6.86,75,7.37,90,7.75,110,7.97,120,8.43,135,8.29,146.2,7.557301,150,7.25
16,36.6,6.003855,52,6.66,60,6.92,75,7.52,90,8.14,110,8.36,120,8.91,135,9.3,143.9,8.564464,150,7.99
20,38.3,6.065422,52,6.77,60,7.14,75,7.73,90,8.54,110,9.35,120,9.85,135,11.67,141.7,11.863252,150,10.75

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.34	5.62	5.83	5.79	5.82	5.7	5.14	4.38
8	6.09	6.24	6.36	6.41	6.55	6.49	6.17	5.46
10	6.39	6.56	6.75	6.78	7.16	7.13	6.77	6.22
12	6.51	6.75	7.13	7.26	7.6	7.86	7.45	6.71
14	6.58	6.86	7.37	7.75	7.97	8.43	8.29	7.25
16	6.66	6.92	7.52	8.14	8.36	8.91	9.3	7.99
20	6.77	7.14	7.73	8.54	9.35	9.85	11.67	10.75

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.53	144.8°	3.79
8	40.5°	4.22	148.7°	4.73
10	38.4°	4.54	150.9°	5.39
12	37.6°	4.68	149.3°	5.81
14	37°	4.75	146.2°	6.28
16	36.6°	4.82	143.9°	6.92
20	38.3°	4.76	141.7°	9.31

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