Vellamo — ORC Rating | RegattaPages

GPH

695.6

OSN

676.3

LOA

10.11 m

Displacement

4800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5806

Medium

0.79

High

0.9075

Triple Offshore

Low

0.7516

Medium

0.9752

High

1.0859

Boat Specifications

Dimensions

Length overall: 10.11 m
Beam: 3.26 m
Draft: 1.73 m
Displacement: 4800 kg
Crew weight: 375 kg
Wetted surface: 23.38 m²

Sails

Mainsail: 28.12 m²
Genoa: 28.25 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 67 m²

Design

Type: Scanmar 33
Builder: Broderna Borjesson
Designer: Rolf Magnussson
Year built: 1985

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.

6,43.5,4.163367,52,4.64,60,4.92,75,5.14,90,5.17,110,5.2,120,5.02,135,4.51,147,3.946722,150,3.82
8,42,4.884647,52,5.48,60,5.77,75,6.01,90,6.17,110,6.23,120,6.06,135,5.49,150,4.81,152,4.722817
10,41.2,5.435831,52,6.1,60,6.33,75,6.49,90,6.68,110,6.74,120,6.65,135,6.32,150,5.67,153,5.533068
12,41.2,5.861128,52,6.41,60,6.59,75,6.75,90,6.92,110,7.06,120,6.99,135,6.76,150,6.38,159.5,6.010641
14,40.5,5.970495,52,6.56,60,6.74,75,6.93,90,7.04,110,7.37,120,7.32,135,7.08,150,6.77,180,6.25
16,40.1,6.000617,52,6.61,60,6.81,75,7.08,90,7.21,110,7.64,120,7.65,135,7.42,150,7.07,180,6.67
20,41.2,6.020614,52,6.62,60,6.84,75,7.22,90,7.56,110,7.92,120,8.2,135,8.11,150,7.72,180,7.27

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.64	4.92	5.14	5.17	5.2	5.02	4.51	3.82
8	5.48	5.77	6.01	6.17	6.23	6.06	5.49	4.81
10	6.1	6.33	6.49	6.68	6.74	6.65	6.32	5.67
12	6.41	6.59	6.75	6.92	7.06	6.99	6.76	6.38
14	6.56	6.74	6.93	7.04	7.37	7.32	7.08	6.77
16	6.61	6.81	7.08	7.21	7.64	7.65	7.42	7.07
20	6.62	6.84	7.22	7.56	7.92	8.2	8.11	7.72

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.02	147°	3.31
8	42°	3.63	152°	4.17
10	41.2°	4.09	153°	4.93
12	41.2°	4.41	159.5°	5.63
14	40.5°	4.54	180°	6.25
16	40.1°	4.59	180°	6.67
20	41.2°	4.53	180°	7.27

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