CuAl6(PO4)4(OH)8.4H2O — ORC Rating

GPH

554.1

OSN

539.3

LOA

9.56 m

Displacement

1713 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8084

Medium

1.0804

High

1.288

Triple Offshore

Low

1.0523

Medium

1.3724

High

1.6173

Boat Specifications

Dimensions

Length overall: 9.56 m
Beam: 3.05 m
Draft: 2.44 m
Displacement: 1713 kg
Crew weight: 595 kg
Wetted surface: 20.8 m²

Sails

Mainsail: 37.5 m²
Genoa: 23.22 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 116.47 m²

Design

Type: Cape 31
Builder: Noordhoek Sailboat
Designer: Mark Mills
Year built: 2017

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.

6,44.2,5.119188,52,5.69,60,6.11,75,6.5,90,6.52,110,6.66,120,6.48,135,5.67,141.9,5.210087,150,4.73
8,43.3,6.251952,52,6.88,60,7.16,75,7.38,90,7.41,110,7.77,120,7.64,135,7.11,144.4,6.432167,150,6.04
10,41,6.664815,52,7.35,60,7.72,75,8.28,90,8.23,110,8.53,120,8.81,135,8.08,149.6,7.083946,150,7.05
12,40,6.788118,52,7.54,60,8.01,75,8.82,90,9.42,110,9.26,120,9.54,135,9.3,148.8,8.043357,150,7.95
14,39.4,6.832885,52,7.68,60,8.19,75,9.12,90,10.08,110,9.99,120,10.24,135,10.77,144.6,9.593588,150,9.03
16,39,6.948502,52,7.87,60,8.4,75,9.32,90,10.47,110,10.73,120,11.1,135,12.07,137.2,12.020773,150,10.18
20,39,7.01284,52,8.08,60,8.73,75,9.96,90,11.05,110,12.75,120,12.89,135,13.8,145.2,14.71109,150,13.95

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.69	6.11	6.5	6.52	6.66	6.48	5.67	4.73
8	6.88	7.16	7.38	7.41	7.77	7.64	7.11	6.04
10	7.35	7.72	8.28	8.23	8.53	8.81	8.08	7.05
12	7.54	8.01	8.82	9.42	9.26	9.54	9.3	7.95
14	7.68	8.19	9.12	10.08	9.99	10.24	10.77	9.03
16	7.87	8.4	9.32	10.47	10.73	11.1	12.07	10.18
20	8.08	8.73	9.96	11.05	12.75	12.89	13.8	13.95

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.67	141.9°	4.1
8	43.3°	4.55	144.4°	5.23
10	41°	5.03	149.6°	6.11
12	40°	5.2	148.8°	6.88
14	39.4°	5.28	144.6°	7.82
16	39°	5.4	137.2°	8.82
20	39°	5.45	145.2°	12.08

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