Joyride: ORC Rating

GPH

604.2

OSN

588.3

LOA

10.57 m

Displacement

3927 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6909

Medium

0.9067

High

1.0178

Triple Offshore

Low

0.8858

Medium

1.1128

High

1.2322

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.35 m
Draft: 2 m
Displacement: 3927 kg
Crew weight: 500 kg
Wetted surface: 24.45 m²

Sails

Mainsail: 34.17 m²
Genoa: 24.5 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 119.63 m²

Design

Type: J 105
Builder: Pearson Composites
Designer: R. Johnstone
Year built: 1992
Stability index: 103.9

Performance data

Polar CSV

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

6,42.9,5.037248,52,5.61,60,5.9,75,6.08,90,5.94,110,5.97,120,5.85,135,5.2,143.9,4.715406,150,4.4
8,40.6,5.874053,52,6.55,60,6.76,75,6.9,90,6.85,110,7.03,120,6.98,135,6.53,147.3,5.739677,150,5.57
10,38.8,6.248894,52,6.96,60,7.15,75,7.31,90,7.33,110,7.55,120,7.59,135,7.34,148.2,6.718495,150,6.59
12,37.8,6.378495,52,7.1,60,7.31,75,7.57,90,7.67,110,7.88,120,8.08,135,7.92,150,7.29,150.3,7.275812
14,37.2,6.452991,52,7.2,60,7.41,75,7.72,90,7.97,110,8.16,120,8.49,135,8.51,148.2,7.871582,150,7.73
16,37,6.523627,52,7.28,60,7.5,75,7.86,90,8.18,110,8.41,120,8.82,135,9.15,146.2,8.544083,150,8.2
20,37.2,6.603644,52,7.35,60,7.6,75,8.05,90,8.5,110,8.88,120,9.5,135,10.71,142.7,10.371182,150,9.52

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.61	5.9	6.08	5.94	5.97	5.85	5.2	4.4
8	6.55	6.76	6.9	6.85	7.03	6.98	6.53	5.57
10	6.96	7.15	7.31	7.33	7.55	7.59	7.34	6.59
12	7.1	7.31	7.57	7.67	7.88	8.08	7.92	7.29
14	7.2	7.41	7.72	7.97	8.16	8.49	8.51	7.73
16	7.28	7.5	7.86	8.18	8.41	8.82	9.15	8.2
20	7.35	7.6	8.05	8.5	8.88	9.5	10.71	9.52

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.69	143.9°	3.81
8	40.6°	4.46	147.3°	4.83
10	38.8°	4.87	148.2°	5.71
12	37.8°	5.04	150.3°	6.32
14	37.2°	5.14	148.2°	6.69
16	37°	5.21	146.2°	7.1
20	37.2°	5.26	142.7°	8.25

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°	5.61	6.55	6.96	7.10	7.20	7.28	7.35
60°	5.90	6.76	7.15	7.31	7.41	7.50	7.60
75°	6.08	6.90	7.31	7.57	7.72	7.86	8.05
90°	5.94	6.85	7.33	7.67	7.97	8.18	8.50
110°	5.97	7.03	7.55	7.88	8.16	8.41	8.88
120°	5.85	6.98	7.59	8.08	8.49	8.82	9.50
135°	5.20	6.53	7.34	7.92	8.51	9.15	10.71
150°	4.40	5.57	6.59	7.29	7.73	8.20	9.52