Serendipity: ORC Rating

GPH

609.6

OSN

594.2

LOA

10.757 m

Displacement

4999 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6772

Medium

0.8993

High

1.0071

Triple Offshore

Low

0.8731

Medium

1.106

High

1.2175

Boat Specifications

Dimensions

Length overall: 10.757 m
Beam: 3.52 m
Draft: 2.13 m
Displacement: 4999 kg
Crew weight: 620 kg
Wetted surface: 26.09 m²

Sails

Mainsail: 38.05 m²
Genoa: 40.1 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 119.8 m²

Design

Type: J-109
Builder: J Boats
Designer: Johnstone
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.

6,42.8,4.865551,52,5.45,60,5.76,75,6.02,90,5.95,110,5.96,120,5.82,135,5.19,144.5,4.679926,150,4.4
8,41.2,5.728222,52,6.44,60,6.7,75,6.88,90,6.91,110,7.04,120,6.95,135,6.45,148,5.612889,150,5.5
10,40.1,6.340521,52,6.98,60,7.15,75,7.28,90,7.32,110,7.54,120,7.49,135,7.21,148.2,6.624366,150,6.5
12,38.6,6.512945,52,7.19,60,7.36,75,7.55,90,7.61,110,7.94,120,7.95,135,7.66,150,7.14,150.5,7.112035
14,38.2,6.604256,52,7.27,60,7.46,75,7.76,90,7.9,110,8.21,120,8.42,135,8.14,150,7.48,174,6.545859
16,38.2,6.655156,52,7.31,60,7.52,75,7.88,90,8.17,110,8.43,120,8.81,135,8.66,150,7.79,177,7.059675
20,38.2,6.693331,52,7.34,60,7.55,75,8,90,8.53,110,8.88,120,9.38,135,9.93,150,8.65,177.5,7.767393

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.45	5.76	6.02	5.95	5.96	5.82	5.19	4.4
8	6.44	6.7	6.88	6.91	7.04	6.95	6.45	5.5
10	6.98	7.15	7.28	7.32	7.54	7.49	7.21	6.5
12	7.19	7.36	7.55	7.61	7.94	7.95	7.66	7.14
14	7.27	7.46	7.76	7.9	8.21	8.42	8.14	7.48
16	7.31	7.52	7.88	8.17	8.43	8.81	8.66	7.79
20	7.34	7.55	8	8.53	8.88	9.38	9.93	8.65

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.57	144.5°	3.81
8	41.2°	4.31	148°	4.76
10	40.1°	4.85	148.2°	5.63
12	38.6°	5.09	150.5°	6.19
14	38.2°	5.19	174°	6.51
16	38.2°	5.23	177°	7.05
20	38.2°	5.26	177.5°	7.76

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°	5.45	6.44	6.98	7.19	7.27	7.31	7.34
60°	5.76	6.70	7.15	7.36	7.46	7.52	7.55
75°	6.02	6.88	7.28	7.55	7.76	7.88	8.00
90°	5.95	6.91	7.32	7.61	7.90	8.17	8.53
110°	5.96	7.04	7.54	7.94	8.21	8.43	8.88
120°	5.82	6.95	7.49	7.95	8.42	8.81	9.38
135°	5.19	6.45	7.21	7.66	8.14	8.66	9.93
150°	4.40	5.50	6.50	7.14	7.48	7.79	8.65