CRIC — ORC Rating | RegattaPages

GPH

772.6

OSN

752

LOA

6.4 m

Displacement

1232 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5369

Medium

0.7103

High

0.8183

Triple Offshore

Low

0.688

Medium

0.8696

High

0.9793

Boat Specifications

Dimensions

Length overall: 6.4 m
Beam: 2.5 m
Draft: 1.8 m
Displacement: 1232 kg
Crew weight: 350 kg
Wetted surface: 11.5 m²

Sails

Mainsail: 13.9 m²
Genoa: 10.67 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 35.96 m²

Design

Type: First 21.7 S
Builder: Beneteau
Designer: Finot
Year built: 2005

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.

6,41.6,3.690836,52,4.15,60,4.36,75,4.53,90,4.79,110,4.82,120,4.65,135,4.22,147,3.755944,150,3.64
8,41.1,4.365923,52,4.89,60,5.1,75,5.28,90,5.53,110,5.55,120,5.45,135,5.11,147,4.638293,150,4.49
10,40.5,4.83952,52,5.34,60,5.48,75,5.66,90,5.9,110,5.93,120,5.84,135,5.63,148,5.259136,150,5.15
12,38.2,5.089985,52,5.58,60,5.7,75,5.87,90,6.22,110,6.32,120,6.23,135,5.97,150,5.54,174,4.916935
14,36.4,5.255352,52,5.76,60,5.9,75,6.05,90,6.42,110,6.71,120,6.62,135,6.34,150,5.8,177,5.387383
16,36,5.315092,52,5.88,60,6.06,75,6.29,90,6.53,110,7.07,120,7.03,135,6.71,150,6.06,178,5.693468
20,37.1,5.316055,52,5.9,60,6.14,75,6.59,90,6.86,110,7.48,120,7.86,135,7.52,150,6.67,178,6.223791

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.15	4.36	4.53	4.79	4.82	4.65	4.22	3.64
8	4.89	5.1	5.28	5.53	5.55	5.45	5.11	4.49
10	5.34	5.48	5.66	5.9	5.93	5.84	5.63	5.15
12	5.58	5.7	5.87	6.22	6.32	6.23	5.97	5.54
14	5.76	5.9	6.05	6.42	6.71	6.62	6.34	5.8
16	5.88	6.06	6.29	6.53	7.07	7.03	6.71	6.06
20	5.9	6.14	6.59	6.86	7.48	7.86	7.52	6.67

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.6°	2.76	147°	3.15
8	41.1°	3.29	147°	3.89
10	40.5°	3.68	148°	4.46
12	38.2°	4	174°	4.89
14	36.4°	4.23	177°	5.38
16	36°	4.3	178°	5.69
20	37.1°	4.24	178°	6.22

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