Alda — ORC Rating | RegattaPages

GPH

618.9

OSN

599.4

LOA

16.03 m

Displacement

9400 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6205

Medium

0.8787

High

1.0266

Triple Offshore

Low

0.8129

Medium

1.1131

High

1.2579

Boat Specifications

Dimensions

Length overall: 16.03 m
Beam: 2.97 m
Draft: 2.14 m
Displacement: 9400 kg
Crew weight: 480 kg
Wetted surface: 37.04 m²

Sails

Mainsail: 39.85 m²
Genoa: 39.73 m²
Spinnaker: 111.41 m²
Asymmetric spinnaker: 0 m²

Design

Type: Swede 55
Builder: Fisksättra Varv. S
Designer: Knud H. Reimers
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.

6,44.6,4.480173,52,4.97,60,5.31,75,5.61,90,5.54,110,5.62,120,5.48,135,4.9,136.5,4.811309,150,4.03
8,42.8,5.437969,52,6.08,60,6.44,75,6.75,90,6.73,110,6.99,120,6.84,135,6.22,147,5.329864,150,5.16
10,42,6.122629,52,6.91,60,7.31,75,7.65,90,7.65,110,7.96,120,7.9,135,7.39,144,6.798374,150,6.35
12,42.4,6.581305,52,7.39,60,7.78,75,8.11,90,8.19,110,8.36,120,8.45,135,8.17,150,7.38,151,7.317466
14,42.4,6.77089,52,7.59,60,7.97,75,8.35,90,8.49,110,8.56,120,8.79,135,8.62,150,8.11,156,7.782864
16,42.4,6.852141,52,7.67,60,8.06,75,8.48,90,8.7,110,8.75,120,9.02,135,9.04,150,8.56,170,7.839093
20,42.4,6.906308,52,7.71,60,8.1,75,8.57,90,9.01,110,9.1,120,9.44,135,9.99,150,9.39,180,8.65

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.97	5.31	5.61	5.54	5.62	5.48	4.9	4.03
8	6.08	6.44	6.75	6.73	6.99	6.84	6.22	5.16
10	6.91	7.31	7.65	7.65	7.96	7.9	7.39	6.35
12	7.39	7.78	8.11	8.19	8.36	8.45	8.17	7.38
14	7.59	7.97	8.35	8.49	8.56	8.79	8.62	8.11
16	7.67	8.06	8.48	8.7	8.75	9.02	9.04	8.56
20	7.71	8.1	8.57	9.01	9.1	9.44	9.99	9.39

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.6°	3.19	136.5°	3.49
8	42.8°	3.99	147°	4.47
10	42°	4.55	144°	5.5
12	42.4°	4.86	151°	6.4
14	42.4°	5	156°	7.11
16	42.4°	5.06	170°	7.72
20	42.4°	5.1	180°	8.65

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