CHANCELLOR: ORC Rating

GPH

565.3

OSN

548.1

LOA

14.506 m

Displacement

12168 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7832

Medium

1.0873

High

1.2912

Triple Offshore

Low

1.0197

Medium

1.3562

High

1.554

Boat Specifications

Dimensions

Length overall: 14.506 m
Beam: 4.51 m
Draft: 2.81 m
Displacement: 12168 kg
Crew weight: 1100 kg
Wetted surface: 43.97 m²

Sails

Mainsail: 65.17 m²
Genoa: 62.76 m²
Spinnaker: 171.86 m²
Asymmetric spinnaker: 152.9 m²

Design

Type: FIRST 47.7
Builder: BENETEAU
Designer: FARR
Year built: 2001

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,43.8,5.043226,52,5.62,60,6,75,6.35,90,6.35,110,6.11,120,5.94,135,5.37,141.5,5.008892,150,4.53
8,42.5,6.008594,52,6.74,60,7.15,75,7.51,90,7.53,110,7.48,120,7.29,135,6.66,147.8,5.837911,150,5.71
10,42,6.808902,52,7.61,60,7.93,75,8.17,90,8.25,110,8.31,120,8.19,135,7.73,149.2,6.833846,150,6.78
12,40.8,7.33162,52,8.1,60,8.33,75,8.54,90,8.62,110,8.79,120,8.69,135,8.37,150,7.71,153.2,7.517484
14,39.3,7.50801,52,8.32,60,8.57,75,8.83,90,8.89,110,9.2,120,9.16,135,8.8,150,8.32,159.9,7.858636
16,39,7.669087,52,8.43,60,8.69,75,9.09,90,9.22,110,9.54,120,9.66,135,9.25,150,8.73,180,8.01
20,38.3,7.772915,52,8.54,60,8.82,75,9.37,90,9.83,110,10.01,120,10.42,135,10.29,150,9.59,180,8.86

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.62	6	6.35	6.35	6.11	5.94	5.37	4.53
8	6.74	7.15	7.51	7.53	7.48	7.29	6.66	5.71
10	7.61	7.93	8.17	8.25	8.31	8.19	7.73	6.78
12	8.1	8.33	8.54	8.62	8.79	8.69	8.37	7.71
14	8.32	8.57	8.83	8.89	9.2	9.16	8.8	8.32
16	8.43	8.69	9.09	9.22	9.54	9.66	9.25	8.73
20	8.54	8.82	9.37	9.83	10.01	10.42	10.29	9.59

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	3.64	141.5°	3.92
8	42.5°	4.43	147.8°	4.94
10	42°	5.06	149.2°	5.87
12	40.8°	5.55	153.2°	6.71
14	39.3°	5.81	159.9°	7.38
16	39°	5.96	180°	8.01
20	38.3°	6.1	180°	8.86

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.62	6.74	7.61	8.10	8.32	8.43	8.54
60°	6.00	7.15	7.93	8.33	8.57	8.69	8.82
75°	6.35	7.51	8.17	8.54	8.83	9.09	9.37
90°	6.35	7.53	8.25	8.62	8.89	9.22	9.83
110°	6.11	7.48	8.31	8.79	9.20	9.54	10.01
120°	5.94	7.29	8.19	8.69	9.16	9.66	10.42
135°	5.37	6.66	7.73	8.37	8.80	9.25	10.29
150°	4.53	5.71	6.78	7.71	8.32	8.73	9.59