SECOND WAVE — ORC Rating

GPH

758.6

OSN

734.4

LOA

7.56 m

Displacement

1732 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5966

Medium

0.8165

High

0.9588

Triple Offshore

Low

0.7667

Medium

1.0068

High

1.1523

Boat Specifications

Dimensions

Length overall: 7.56 m
Beam: 2.97 m
Draft: 1.51 m
Displacement: 1732 kg
Crew weight: 356 kg
Wetted surface: 13.87 m²

Sails

Mainsail: 12.6 m²
Genoa: 17.71 m²
Spinnaker: 42.67 m²
Asymmetric spinnaker: 0 m²

Design

Type: ROBBER 3E
Builder: BEPS LTD QUAY WORK
Designer: LINQUIST
Year built: 1977

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.

6,42.9,3.685791,52,4.11,60,4.34,75,4.52,90,4.58,110,4.71,120,4.57,135,4.17,148,3.655453,150,3.58
8,42,4.35985,52,4.89,60,5.13,75,5.34,90,5.56,110,5.67,120,5.56,135,5.13,150,4.51,151.1,4.4662
10,41.8,4.896201,52,5.46,60,5.68,75,5.84,90,6.1,110,6.17,120,6.1,135,5.86,150,5.32,152.4,5.224533
12,41.1,5.281573,52,5.82,60,5.98,75,6.12,90,6.43,110,6.56,120,6.49,135,6.26,150,5.92,165.2,5.45084
14,40.2,5.55122,52,6.04,60,6.2,75,6.36,90,6.68,110,6.96,120,6.89,135,6.63,150,6.27,180,5.81
16,39.5,5.637456,52,6.17,60,6.37,75,6.61,90,6.81,110,7.29,120,7.28,135,7.01,150,6.61,180,6.17
20,40.8,5.680354,52,6.21,60,6.5,75,6.95,90,7.16,110,7.76,120,8.07,135,7.82,150,7.31,180,6.83

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.11	4.34	4.52	4.58	4.71	4.57	4.17	3.58
8	4.89	5.13	5.34	5.56	5.67	5.56	5.13	4.51
10	5.46	5.68	5.84	6.1	6.17	6.1	5.86	5.32
12	5.82	5.98	6.12	6.43	6.56	6.49	6.26	5.92
14	6.04	6.2	6.36	6.68	6.96	6.89	6.63	6.27
16	6.17	6.37	6.61	6.81	7.29	7.28	7.01	6.61
20	6.21	6.5	6.95	7.16	7.76	8.07	7.82	7.31

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	2.7	148°	3.1
8	42°	3.24	151.1°	3.91
10	41.8°	3.65	152.4°	4.63
12	41.1°	3.98	165.2°	5.27
14	40.2°	4.24	180°	5.81
16	39.5°	4.35	180°	6.17
20	40.8°	4.3	180°	6.83

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