ALTER EGO — ORC Rating

GPH

586.4

OSN

567.5

LOA

14.302 m

Displacement

14000 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7608

Medium

1.0545

High

1.2587

Triple Offshore

Low

0.9827

Medium

1.3077

High

1.4964

Boat Specifications

Dimensions

Length overall: 14.302 m
Beam: 4.65 m
Draft: 2.72 m
Displacement: 14000 kg
Crew weight: 900 kg
Wetted surface: 45.11 m²

Sails

Mainsail: 51.73 m²
Genoa: 63.83 m²
Spinnaker: 152.52 m²
Asymmetric spinnaker: 152.56 m²

Design

Type: ATLANTIC 49
Builder: ATLANTIC
Designer: J & J
Year built: 1989

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.

6,42.5,4.896394,52,5.51,60,5.81,75,6.03,90,5.95,110,5.87,120,5.69,135,5.09,144.5,4.569376,150,4.3
8,40.7,5.77734,52,6.53,60,6.84,75,7.09,90,7.04,110,7.15,120,6.93,135,6.29,148.7,5.512261,150,5.44
10,40.3,6.542818,52,7.36,60,7.61,75,7.79,90,7.88,110,7.98,120,7.85,135,7.33,150,6.43,150.8,6.380867
12,39.7,7.10944,52,7.82,60,8,75,8.15,90,8.29,110,8.41,120,8.32,135,8.01,150,7.32,152.2,7.189845
14,38.3,7.352413,52,8.07,60,8.24,75,8.4,90,8.51,110,8.75,120,8.68,135,8.41,150,7.96,159.2,7.530816
16,37.7,7.456806,52,8.21,60,8.4,75,8.61,90,8.67,110,9.09,120,9.05,135,8.76,150,8.35,180,7.67
20,37.2,7.557783,52,8.31,60,8.55,75,8.93,90,9.13,110,9.53,120,9.79,135,9.54,150,9.02,180,8.47

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.51	5.81	6.03	5.95	5.87	5.69	5.09	4.3
8	6.53	6.84	7.09	7.04	7.15	6.93	6.29	5.44
10	7.36	7.61	7.79	7.88	7.98	7.85	7.33	6.43
12	7.82	8	8.15	8.29	8.41	8.32	8.01	7.32
14	8.07	8.24	8.4	8.51	8.75	8.68	8.41	7.96
16	8.21	8.4	8.61	8.67	9.09	9.05	8.76	8.35
20	8.31	8.55	8.93	9.13	9.53	9.79	9.54	9.02

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.61	144.5°	3.72
8	40.7°	4.38	148.7°	4.71
10	40.3°	4.99	150.8°	5.57
12	39.7°	5.47	152.2°	6.36
14	38.3°	5.77	159.2°	7.04
16	37.7°	5.9	180°	7.67
20	37.2°	6.02	180°	8.47

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