NIMBUS — ORC Rating | RegattaPages

GPH

673.5

OSN

651.4

LOA

6.91 m

Displacement

812 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5995

Medium

0.8031

High

0.9477

Triple Offshore

Low

0.7715

Medium

1.0015

High

1.1838

Boat Specifications

Dimensions

Length overall: 6.91 m
Beam: 2.25 m
Draft: 1.38 m
Displacement: 812 kg
Crew weight: 340 kg
Wetted surface: 10.52 m²

Sails

Mainsail: 15.95 m²
Genoa: 9.97 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 44.79 m²

Design

Type: J-70 ONE DESIGN
Builder: J BOATS
Designer: JOHNSTONE
Year built: 2012
Stability index: 104.3

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.

6,43.2,4.101685,52,4.57,60,4.86,75,5.07,90,5.42,110,5.49,120,5.34,135,4.81,144.8,4.356632,150,4.11
8,42.4,4.94275,52,5.51,60,5.75,75,5.89,90,6.22,110,6.31,120,6.2,135,5.87,147.8,5.317935,150,5.2
10,40.5,5.470762,52,5.99,60,6.15,75,6.3,90,6.78,110,7.07,120,6.92,135,6.5,150,5.95,150.7,5.916961
12,38.4,5.729281,52,6.29,60,6.51,75,6.76,90,7.1,110,7.88,120,7.85,135,7.22,147.8,6.594239,150,6.44
14,37.2,5.800159,52,6.53,60,6.86,75,7.28,90,7.39,110,8.42,120,8.87,135,8.17,145,7.458933,150,7.05
16,37.2,5.825268,52,6.61,60,7.01,75,7.72,90,8.05,110,8.92,120,9.63,135,9.25,143.7,8.474699,150,7.88
20,38.2,5.853483,52,6.64,60,7.08,75,8,90,9.13,110,9.91,120,11.01,135,12.9,138,12.743142,150,10.93

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.57	4.86	5.07	5.42	5.49	5.34	4.81	4.11
8	5.51	5.75	5.89	6.22	6.31	6.2	5.87	5.2
10	5.99	6.15	6.3	6.78	7.07	6.92	6.5	5.95
12	6.29	6.51	6.76	7.1	7.88	7.85	7.22	6.44
14	6.53	6.86	7.28	7.39	8.42	8.87	8.17	7.05
16	6.61	7.01	7.72	8.05	8.92	9.63	9.25	7.88
20	6.64	7.08	8	9.13	9.91	11.01	12.9	10.93

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	2.99	144.8°	3.56
8	42.4°	3.65	147.8°	4.5
10	40.5°	4.16	150.7°	5.16
12	38.4°	4.49	147.8°	5.58
14	37.2°	4.62	145°	6.11
16	37.2°	4.64	143.7°	6.83
20	38.2°	4.6	138°	9.47

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