Rainbow — ORC Rating | RegattaPages

GPH

542.3

OSN

528.1

LOA

12.78 m

Displacement

5824 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7424

Medium

1.0045

High

1.1625

Triple Offshore

Low

0.966

Medium

1.2456

High

1.4238

Boat Specifications

Dimensions

Length overall: 12.78 m
Beam: 3.75 m
Draft: 2.28 m
Displacement: 5824 kg
Crew weight: 884 kg
Wetted surface: 33.15 m²

Sails

Mainsail: 53.64 m²
Genoa: 51.17 m²
Spinnaker: 98.17 m²
Asymmetric spinnaker: 116.1 m²

Design

Type: RAINBOW 42
Builder: Farsø Glassfiber
Designer: Harter Franz
Year built: 1987

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.

6,42.8,5.574259,52,6.25,60,6.63,75,6.96,90,6.89,110,6.4,120,6.17,135,5.48,142,5.025312,150,4.57
8,41.6,6.659552,52,7.44,60,7.7,75,7.87,90,7.87,110,7.72,120,7.56,135,6.83,145,6.103873,150,5.78
10,39.4,7.221118,52,7.96,60,8.16,75,8.34,90,8.35,110,8.39,120,8.25,135,7.82,147.5,7.042993,150,6.86
12,37.5,7.361159,52,8.17,60,8.42,75,8.77,90,8.85,110,9.04,120,8.88,135,8.38,150,7.68,154,7.443307
14,37.1,7.510181,52,8.3,60,8.6,75,9.13,90,9.39,110,9.7,120,9.63,135,9,150,8.23,163,7.685834
16,36.8,7.58057,52,8.39,60,8.72,75,9.35,90,9.88,110,10.17,120,10.47,135,9.74,150,8.76,180,7.96
20,36,7.675982,52,8.53,60,8.88,75,9.62,90,10.48,110,11.07,120,11.78,135,11.64,150,10.12,180,8.97

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.25	6.63	6.96	6.89	6.4	6.17	5.48	4.57
8	7.44	7.7	7.87	7.87	7.72	7.56	6.83	5.78
10	7.96	8.16	8.34	8.35	8.39	8.25	7.82	6.86
12	8.17	8.42	8.77	8.85	9.04	8.88	8.38	7.68
14	8.3	8.6	9.13	9.39	9.7	9.63	9	8.23
16	8.39	8.72	9.35	9.88	10.17	10.47	9.74	8.76
20	8.53	8.88	9.62	10.48	11.07	11.78	11.64	10.12

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	4.09	142°	3.96
8	41.6°	4.98	145°	5
10	39.4°	5.58	147.5°	5.94
12	37.5°	5.84	154°	6.69
14	37.1°	5.99	163°	7.35
16	36.8°	6.07	180°	7.96
20	36°	6.21	180°	8.97

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