DREAM MACHINE — ORC Rating

GPH

628.6

OSN

609.6

LOA

10.57 m

Displacement

4190 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7229

Medium

0.9826

High

1.1226

Triple Offshore

Low

0.9349

Medium

1.2143

High

1.3609

Boat Specifications

Dimensions

Length overall: 10.57 m
Beam: 3.35 m
Draft: 2.02 m
Displacement: 4190 kg
Crew weight: 510 kg
Wetted surface: 25.25 m²

Sails

Mainsail: 34.32 m²
Genoa: 25.73 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 91.16 m²

Design

Type: J-105
Builder: TPI
Designer: Johnstone
Year built: 1992

Velocity Prediction

Polar CSV

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

6,42.8,4.511197,52,5.06,60,5.36,75,5.59,90,5.69,110,5.76,120,5.6,135,5.03,144,4.54873,150,4.25
8,41,5.353052,52,6.04,60,6.34,75,6.56,90,6.8,110,6.9,120,6.77,135,6.22,147.6,5.483651,150,5.35
10,40.1,6.039836,52,6.74,60,6.93,75,7.08,90,7.28,110,7.44,120,7.36,135,7.05,148.3,6.429159,150,6.31
12,38.6,6.384989,52,7.05,60,7.22,75,7.38,90,7.48,110,7.87,120,7.84,135,7.52,150,6.974391
14,37.8,6.492397,52,7.18,60,7.38,75,7.62,90,7.71,110,8.25,120,8.37,135,8.01,150,7.32,152.5,7.192697
16,37.5,6.541852,52,7.24,60,7.45,75,7.81,90,8.01,110,8.51,120,8.89,135,8.58,150,7.66,176.4,6.953722
20,37,6.636319,52,7.32,60,7.51,75,7.99,90,8.52,110,9.01,120,9.62,135,9.99,150,8.61,177.6,7.666725

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.06	5.36	5.59	5.69	5.76	5.6	5.03	4.25
8	6.04	6.34	6.56	6.8	6.9	6.77	6.22	5.35
10	6.74	6.93	7.08	7.28	7.44	7.36	7.05	6.31
12	7.05	7.22	7.38	7.48	7.87	7.84	7.52	6.98
14	7.18	7.38	7.62	7.71	8.25	8.37	8.01	7.32
16	7.24	7.45	7.81	8.01	8.51	8.89	8.58	7.66
20	7.32	7.51	7.99	8.52	9.01	9.62	9.99	8.61

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.31	144°	3.68
8	41°	4.04	147.6°	4.63
10	40.1°	4.62	148.3°	5.47
12	38.6°	4.99	150°	6.04
14	37.8°	5.13	152.5°	6.38
16	37.5°	5.19	176.4°	6.94
20	37°	5.3	177.6°	7.66

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