Janboel — ORC Rating | RegattaPages

GPH

637.2

OSN

617.5

LOA

10.79 m

Displacement

4680 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.719

Medium

0.9813

High

1.134

Triple Offshore

Low

0.9236

Medium

1.1965

High

1.3428

Boat Specifications

Dimensions

Length overall: 10.79 m
Beam: 3.64 m
Draft: 2.12 m
Displacement: 4680 kg
Crew weight: 500 kg
Wetted surface: 25.11 m²

Sails

Mainsail: 31.91 m²
Genoa: 31.04 m²
Spinnaker: 94.11 m²
Asymmetric spinnaker: 0 m²

Design

Type: J-35
Builder: Tillotsen-Pearson
Designer: R.Johnstone
Year built: 1985

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.

6,42.1,4.514972,52,5.09,60,5.36,75,5.57,90,5.48,110,5.56,120,5.42,135,4.93,145.4,4.385665,150,4.17
8,40.6,5.320891,52,6.02,60,6.29,75,6.48,90,6.53,110,6.67,120,6.55,135,6.06,149.4,5.262901,150,5.23
10,40.1,6.01369,52,6.64,60,6.81,75,6.94,90,7.06,110,7.2,120,7.14,135,6.86,150,6.19,150.4,6.164498
12,38.2,6.324307,52,6.94,60,7.08,75,7.22,90,7.27,110,7.58,120,7.55,135,7.29,150,6.88,157.8,6.555992
14,37.2,6.415327,52,7.08,60,7.25,75,7.45,90,7.5,110,7.93,120,7.98,135,7.7,150,7.28,180,6.66
16,37.3,6.511845,52,7.15,60,7.35,75,7.64,90,7.77,110,8.15,120,8.38,135,8.14,150,7.65,180,7.11
20,36.6,6.564381,52,7.19,60,7.41,75,7.86,90,8.23,110,8.5,120,8.92,135,9.1,150,8.49,180,7.84

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.09	5.36	5.57	5.48	5.56	5.42	4.93	4.17
8	6.02	6.29	6.48	6.53	6.67	6.55	6.06	5.23
10	6.64	6.81	6.94	7.06	7.2	7.14	6.86	6.19
12	6.94	7.08	7.22	7.27	7.58	7.55	7.29	6.88
14	7.08	7.25	7.45	7.5	7.93	7.98	7.7	7.28
16	7.15	7.35	7.64	7.77	8.15	8.38	8.14	7.65
20	7.19	7.41	7.86	8.23	8.5	8.92	9.1	8.49

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.1°	3.35	145.4°	3.61
8	40.6°	4.04	149.4°	4.53
10	40.1°	4.6	150.4°	5.36
12	38.2°	4.97	157.8°	6.07
14	37.2°	5.11	180°	6.66
16	37.3°	5.18	180°	7.11
20	36.6°	5.27	180°	7.84

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