VROUWE ALIDA — ORC Rating

GPH

778.2

OSN

756.7

LOA

9.23 m

Displacement

5741 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5798

Medium

0.7809

High

0.9136

Triple Offshore

Low

0.7493

Medium

0.9816

High

1.1093

Boat Specifications

Dimensions

Length overall: 9.23 m
Beam: 2.57 m
Draft: 1.41 m
Displacement: 5741 kg
Crew weight: 459 kg
Wetted surface: 20.19 m²

Sails

Mainsail: 18.02 m²
Genoa: 30.58 m²
Spinnaker: 55.83 m²
Asymmetric spinnaker: 0 m²

Design

Type: TREWES II
Builder: VALK
Designer: VALK
Year built: 1966

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.

6,45.1,3.72589,52,4.11,60,4.4,75,4.61,90,4.58,110,4.55,120,4.43,135,4.03,148.3,3.549554,150,3.49
8,43.5,4.315013,52,4.82,60,5.13,75,5.38,90,5.37,110,5.5,120,5.37,135,4.93,150,4.38,152.6,4.280169
10,43.8,4.821546,52,5.37,60,5.7,75,5.96,90,6.03,110,6.19,120,6.11,135,5.76,150,5.14,154.5,4.952441
12,44.4,5.248626,52,5.78,60,6.06,75,6.27,90,6.39,110,6.53,120,6.49,135,6.29,150,5.86,157.2,5.55397
14,44.8,5.510374,52,5.99,60,6.25,75,6.46,90,6.56,110,6.77,120,6.75,135,6.59,150,6.3,180,5.73
16,44.5,5.608128,52,6.1,60,6.35,75,6.6,90,6.7,110,6.99,120,6.99,135,6.83,150,6.58,180,6.2
20,45,5.713423,52,6.17,60,6.44,75,6.76,90,6.97,110,7.27,120,7.45,135,7.33,150,7.03,180,6.72

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.11	4.4	4.61	4.58	4.55	4.43	4.03	3.49
8	4.82	5.13	5.38	5.37	5.5	5.37	4.93	4.38
10	5.37	5.7	5.96	6.03	6.19	6.11	5.76	5.14
12	5.78	6.06	6.27	6.39	6.53	6.49	6.29	5.86
14	5.99	6.25	6.46	6.56	6.77	6.75	6.59	6.3
16	6.1	6.35	6.6	6.7	6.99	6.99	6.83	6.58
20	6.17	6.44	6.76	6.97	7.27	7.45	7.33	7.03

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.1°	2.63	148.3°	3.02
8	43.5°	3.13	152.6°	3.8
10	43.8°	3.48	154.5°	4.47
12	44.4°	3.75	157.2°	5.12
14	44.8°	3.91	180°	5.73
16	44.5°	4	180°	6.2
20	45°	4.04	180°	6.72

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