CHANCELLOR: ORC Rating

GPH

557.7

OSN

540.5

LOA

14.506 m

Displacement

12168 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8049

Medium

1.1104

High

1.2984

Triple Offshore

Low

1.0409

Medium

1.3727

High

1.5546

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.

6,42.9,5.173758,52,5.79,60,6.13,75,6.41,90,6.34,110,6.2,120,6.03,135,5.45,142.1,5.056495,150,4.6
8,41.1,6.117601,52,6.91,60,7.25,75,7.51,90,7.48,110,7.54,120,7.38,135,6.75,147.4,5.935053,150,5.78
10,40.3,6.90995,52,7.72,60,7.96,75,8.14,90,8.22,110,8.33,120,8.24,135,7.81,148.7,6.951769,150,6.85
12,39,7.347397,52,8.13,60,8.32,75,8.49,90,8.59,110,8.78,120,8.73,135,8.43,150,7.77,153.2,7.584705
14,37.9,7.489696,52,8.32,60,8.53,75,8.75,90,8.83,110,9.18,120,9.18,135,8.86,150,8.37,159.9,7.911879
16,37.9,7.629098,52,8.4,60,8.63,75,8.97,90,9.13,110,9.52,120,9.65,135,9.34,150,8.78,180,8.04
20,37.9,7.692463,52,8.47,60,8.72,75,9.2,90,9.65,110,9.97,120,10.43,135,10.38,150,9.67,180,8.9

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.79	6.13	6.41	6.34	6.2	6.03	5.45	4.6
8	6.91	7.25	7.51	7.48	7.54	7.38	6.75	5.78
10	7.72	7.96	8.14	8.22	8.33	8.24	7.81	6.85
12	8.13	8.32	8.49	8.59	8.78	8.73	8.43	7.77
14	8.32	8.53	8.75	8.83	9.18	9.18	8.86	8.37
16	8.4	8.63	8.97	9.13	9.52	9.65	9.34	8.78
20	8.47	8.72	9.2	9.65	9.97	10.43	10.38	9.67

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.79	142.1°	3.99
8	41.1°	4.61	147.4°	5
10	40.3°	5.27	148.7°	5.94
12	39°	5.71	153.2°	6.77
14	37.9°	5.91	159.9°	7.43
16	37.9°	6.02	180°	8.04
20	37.9°	6.07	180°	8.9

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°	5.79	6.91	7.72	8.13	8.32	8.40	8.47
60°	6.13	7.25	7.96	8.32	8.53	8.63	8.72
75°	6.41	7.51	8.14	8.49	8.75	8.97	9.20
90°	6.34	7.48	8.22	8.59	8.83	9.13	9.65
110°	6.20	7.54	8.33	8.78	9.18	9.52	9.97
120°	6.03	7.38	8.24	8.73	9.18	9.65	10.43
135°	5.45	6.75	7.81	8.43	8.86	9.34	10.38
150°	4.60	5.78	6.85	7.77	8.37	8.78	9.67