SLIDE RULE — ORC Rating

GPH

570.4

OSN

557.6

LOA

13.352 m

Displacement

10589 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7118

Medium

0.9501

High

1.0776

Triple Offshore

Low

0.9281

Medium

1.1842

High

1.308

Boat Specifications

Dimensions

Length overall: 13.352 m
Beam: 3.97 m
Draft: 2.15 m
Displacement: 10589 kg
Crew weight: 900 kg
Wetted surface: 39.35 m²

Sails

Mainsail: 64.84 m²
Genoa: 59.91 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 151.24 m²

Design

Type: BENETEAU 44.7FR SD
Builder: BENETEAU
Designer: FARR
Year built: 2004

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.

6,43.5,5.238674,52,5.82,60,6.18,75,6.5,90,6.66,110,6.44,120,6.09,135,5.43,143,4.958457,150,4.57
8,42,6.149542,52,6.91,60,7.25,75,7.5,90,7.72,110,7.58,120,7.36,135,6.7,147.5,5.869161,150,5.72
10,41.6,6.846768,52,7.57,60,7.81,75,7.99,90,8.2,110,8.16,120,8.06,135,7.67,148,6.898194,150,6.75
12,40.5,7.088319,52,7.82,60,8.05,75,8.26,90,8.48,110,8.55,120,8.49,135,8.19,150,7.574836
14,39.8,7.184848,52,7.93,60,8.16,75,8.45,90,8.67,110,8.91,120,8.92,135,8.59,150,8.01,152,7.905339
16,39.4,7.234059,52,7.99,60,8.22,75,8.56,90,8.85,110,9.28,120,9.37,135,9.03,150,8.35,176,7.528339
20,39.2,7.303749,52,8.04,60,8.26,75,8.67,90,9.2,110,9.86,120,9.99,135,10.04,150,9.01,178,8.335078

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.82	6.18	6.5	6.66	6.44	6.09	5.43	4.57
8	6.91	7.25	7.5	7.72	7.58	7.36	6.7	5.72
10	7.57	7.81	7.99	8.2	8.16	8.06	7.67	6.75
12	7.82	8.05	8.26	8.48	8.55	8.49	8.19	7.58
14	7.93	8.16	8.45	8.67	8.91	8.92	8.59	8.01
16	7.99	8.22	8.56	8.85	9.28	9.37	9.03	8.35
20	8.04	8.26	8.67	9.2	9.86	9.99	10.04	9.01

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.8	143°	3.96
8	42°	4.57	147.5°	4.95
10	41.6°	5.12	148°	5.85
12	40.5°	5.39	150°	6.56
14	39.8°	5.52	152°	6.98
16	39.4°	5.59	176°	7.51
20	39.2°	5.66	178°	8.33

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