First Lady — ORC Rating

GPH

716.9

OSN

691.7

LOA

10.54 m

Displacement

5395 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6071

Medium

0.8566

High

1.0367

Triple Offshore

Low

0.7883

Medium

1.0767

High

1.2508

Boat Specifications

Dimensions

Length overall: 10.54 m
Beam: 3.49 m
Draft: 1.93 m
Displacement: 5395 kg
Crew weight: 572 kg
Wetted surface: 24.58 m²

Sails

Mainsail: 27.6 m²
Genoa: 29.53 m²
Spinnaker: 72.29 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 345
Builder: Beneteau
Designer: Berret
Year built: 1984

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.

6,44.5,3.827548,52,4.25,60,4.55,75,4.81,90,4.78,110,4.81,120,4.66,135,4.2,147.4,3.691603,150,3.59
8,43.1,4.615412,52,5.16,60,5.48,75,5.79,90,5.82,110,5.93,120,5.76,135,5.25,150,4.61,150.6,4.579817
10,42.7,5.225097,52,5.88,60,6.24,75,6.52,90,6.66,110,6.74,120,6.62,135,6.18,150,5.48,153.1,5.337534
12,43.4,5.835601,52,6.43,60,6.69,75,6.9,90,7.07,110,7.15,120,7.07,135,6.8,150,6.29,155.1,6.041603
14,42.1,6.118798,52,6.73,60,6.94,75,7.14,90,7.26,110,7.5,120,7.41,135,7.17,150,6.82,172.1,6.19883
16,41.8,6.277868,52,6.87,60,7.1,75,7.35,90,7.41,110,7.84,120,7.76,135,7.5,150,7.16,180,6.69
20,41.6,6.365355,52,6.96,60,7.23,75,7.68,90,7.87,110,8.19,120,8.44,135,8.19,150,7.79,180,7.35

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.25	4.55	4.81	4.78	4.81	4.66	4.2	3.59
8	5.16	5.48	5.79	5.82	5.93	5.76	5.25	4.61
10	5.88	6.24	6.52	6.66	6.74	6.62	6.18	5.48
12	6.43	6.69	6.9	7.07	7.15	7.07	6.8	6.29
14	6.73	6.94	7.14	7.26	7.5	7.41	7.17	6.82
16	6.87	7.1	7.35	7.41	7.84	7.76	7.5	7.16
20	6.96	7.23	7.68	7.87	8.19	8.44	8.19	7.79

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.5°	2.73	147.4°	3.11
8	43.1°	3.37	150.6°	3.99
10	42.7°	3.84	153.1°	4.76
12	43.4°	4.24	155.1°	5.48
14	42.1°	4.54	172.1°	6.14
16	41.8°	4.68	180°	6.69
20	41.6°	4.76	180°	7.35

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