Shamal — ORC Rating | RegattaPages

GPH

751.9

OSN

725.4

LOA

8.95 m

Displacement

3657 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6013

Medium

0.8382

High

0.9816

Triple Offshore

Low

0.7717

Medium

1.0185

High

1.1534

Boat Specifications

Dimensions

Length overall: 8.95 m
Beam: 2.83 m
Draft: 1.71 m
Displacement: 3657 kg
Crew weight: 444 kg
Wetted surface: 18.83 m²

Sails

Mainsail: 26.09 m²
Genoa: 18.49 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: ALBIN ALPHA
Builder: Albin Marin AB
Designer: Peter Norlin
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.

6,42.2,4.036152,52,4.51,60,4.74,75,4.9,90,4.84,110,4.49,120,4.22,135,3.69,150,3.2,160.3,2.963449
8,40.7,4.695738,52,5.3,60,5.57,75,5.75,90,5.72,110,5.4,120,5.08,135,4.58,150,4.11,174.7,3.675715
10,40.8,5.29726,52,5.86,60,6.03,75,6.16,90,6.18,110,6.04,120,5.83,135,5.34,150,4.86,177,4.416052
12,39.4,5.603484,52,6.13,60,6.28,75,6.4,90,6.46,110,6.37,120,6.24,135,5.96,150,5.55,177.7,5.074088
14,38.6,5.732415,52,6.28,60,6.43,75,6.59,90,6.7,110,6.62,120,6.51,135,6.31,150,6.06,178.4,5.712227
16,38.3,5.785088,52,6.35,60,6.53,75,6.75,90,6.94,110,6.86,120,6.75,135,6.56,150,6.37,179.3,6.140458
20,38.4,5.818602,52,6.38,60,6.59,75,6.96,90,7.28,110,7.38,120,7.28,135,7.06,150,6.86,179.6,6.660162

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.51	4.74	4.9	4.84	4.49	4.22	3.69	3.2
8	5.3	5.57	5.75	5.72	5.4	5.08	4.58	4.11
10	5.86	6.03	6.16	6.18	6.04	5.83	5.34	4.86
12	6.13	6.28	6.4	6.46	6.37	6.24	5.96	5.55
14	6.28	6.43	6.59	6.7	6.62	6.51	6.31	6.06
16	6.35	6.53	6.75	6.94	6.86	6.75	6.56	6.37
20	6.38	6.59	6.96	7.28	7.38	7.28	7.06	6.86

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	2.99	160.3°	2.79
8	40.7°	3.56	174.7°	3.66
10	40.8°	4.01	177°	4.41
12	39.4°	4.33	177.7°	5.07
14	38.6°	4.48	178.4°	5.71
16	38.3°	4.54	179.3°	6.14
20	38.4°	4.56	179.6°	6.66

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