SERENDIPITY: ORC Rating

GPH

580

OSN

564.5

LOA

14.506 m

Displacement

11807 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6753

Medium

0.9318

High

1.0791

Triple Offshore

Low

0.887

Medium

1.1761

High

1.3273

Boat Specifications

Dimensions

Length overall: 14.506 m
Beam: 4.51 m
Draft: 2.28 m
Displacement: 11807 kg
Crew weight: 850 kg
Wetted surface: 43.76 m²

Sails

Mainsail: 61.67 m²
Genoa: 64.79 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 134.51 m²

Design

Type: FIRST 47.7 SK
Builder: BENETEAU
Designer: FARR Bruce
Year built: 1998

Performance data

Polar CSV

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

6,44.6,4.999817,52,5.54,60,5.93,75,6.28,90,6.4,110,6.19,120,5.85,135,5.15,143,4.695509,150,4.33
8,43.1,5.95758,52,6.65,60,7.04,75,7.38,90,7.62,110,7.45,120,7.11,135,6.42,147,5.687573,150,5.5
10,42.4,6.730265,52,7.49,60,7.81,75,8.05,90,8.3,110,8.21,120,8.02,135,7.49,148,6.662358,150,6.53
12,42,7.226048,52,7.94,60,8.19,75,8.4,90,8.68,110,8.65,120,8.54,135,8.2,148.5,7.529554,150,7.41
14,40.9,7.355923,52,8.13,60,8.39,75,8.65,90,8.99,110,9.06,120,8.96,135,8.64,150,8.013622
16,40.5,7.443392,52,8.22,60,8.48,75,8.85,90,9.24,110,9.49,120,9.42,135,9.05,150,8.4,174,7.420651
20,40.7,7.492076,52,8.29,60,8.56,75,9.05,90,9.56,110,10.28,120,10.36,135,10,150,9.02,178,8.375102

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.54	5.93	6.28	6.4	6.19	5.85	5.15	4.33
8	6.65	7.04	7.38	7.62	7.45	7.11	6.42	5.5
10	7.49	7.81	8.05	8.3	8.21	8.02	7.49	6.53
12	7.94	8.19	8.4	8.68	8.65	8.54	8.2	7.41
14	8.13	8.39	8.65	8.99	9.06	8.96	8.64	8.02
16	8.22	8.48	8.85	9.24	9.49	9.42	9.05	8.4
20	8.29	8.56	9.05	9.56	10.28	10.36	10	9.02

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.6°	3.56	143°	3.75
8	43.1°	4.35	147°	4.77
10	42.4°	4.97	148°	5.65
12	42°	5.37	148.5°	6.42
14	40.9°	5.56	150°	6.94
16	40.5°	5.66	174°	7.38
20	40.7°	5.68	178°	8.37

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°	5.54	6.65	7.49	7.94	8.13	8.22	8.29
60°	5.93	7.04	7.81	8.19	8.39	8.48	8.56
75°	6.28	7.38	8.05	8.40	8.65	8.85	9.05
90°	6.40	7.62	8.30	8.68	8.99	9.24	9.56
110°	6.19	7.45	8.21	8.65	9.06	9.49	10.28
120°	5.85	7.11	8.02	8.54	8.96	9.42	10.36
135°	5.15	6.42	7.49	8.20	8.64	9.05	10.00
150°	4.33	5.50	6.53	7.41	8.02	8.40	9.02