CHANRU — ORC Rating | RegattaPages

GPH

566.1

OSN

551.6

LOA

13.37 m

Displacement

9440 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8114

Medium

1.088

High

1.2475

Triple Offshore

Low

1.0492

Medium

1.3434

High

1.493

Boat Specifications

Dimensions

Length overall: 13.37 m
Beam: 3.97 m
Draft: 2.62 m
Displacement: 9440 kg
Crew weight: 869 kg
Wetted surface: 37.95 m²

Sails

Mainsail: 63.15 m²
Genoa: 61.95 m²
Spinnaker: 124.71 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 44.7
Builder: Beneteau
Designer: Farr Yacht Design
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.

6,42.3,5.367541,52,6.02,60,6.34,75,6.6,90,6.54,110,6.08,120,5.9,135,5.31,142.6,4.871512,150,4.46
8,41,6.346812,52,7.14,60,7.42,75,7.61,90,7.59,110,7.39,120,7.21,135,6.57,147.9,5.760682,150,5.63
10,39.9,6.921587,52,7.69,60,7.9,75,8.06,90,8.1,110,8.1,120,7.99,135,7.56,150,6.67,150.5,6.640963
12,38.8,7.095766,52,7.88,60,8.09,75,8.33,90,8.42,110,8.52,120,8.45,135,8.12,150,7.53,154.6,7.284117
14,38.2,7.176879,52,7.97,60,8.18,75,8.49,90,8.71,110,8.88,120,8.9,135,8.54,150,8.09,164.7,7.516401
16,38.2,7.240504,52,8.02,60,8.24,75,8.59,90,8.96,110,9.11,120,9.36,135,9,150,8.48,180,7.86
20,38.5,7.385561,52,8.1,60,8.31,75,8.7,90,9.24,110,9.54,120,9.98,135,10.05,150,9.37,180,8.66

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.02	6.34	6.6	6.54	6.08	5.9	5.31	4.46
8	7.14	7.42	7.61	7.59	7.39	7.21	6.57	5.63
10	7.69	7.9	8.06	8.1	8.1	7.99	7.56	6.67
12	7.88	8.09	8.33	8.42	8.52	8.45	8.12	7.53
14	7.97	8.18	8.49	8.71	8.88	8.9	8.54	8.09
16	8.02	8.24	8.59	8.96	9.11	9.36	9	8.48
20	8.1	8.31	8.7	9.24	9.54	9.98	10.05	9.37

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	3.97	142.6°	3.87
8	41°	4.79	147.9°	4.88
10	39.9°	5.31	150.5°	5.78
12	38.8°	5.53	154.6°	6.58
14	38.2°	5.64	164.7°	7.25
16	38.2°	5.69	180°	7.86
20	38.5°	5.78	180°	8.66

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