Joppe — ORC Rating | RegattaPages

GPH

629.1

OSN

610.9

LOA

9.3 m

Displacement

3138 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6439

Medium

0.8688

High

0.9887

Triple Offshore

Low

0.8347

Medium

1.0751

High

1.2116

Boat Specifications

Dimensions

Length overall: 9.3 m
Beam: 3.21 m
Draft: 1.99 m
Displacement: 3138 kg
Crew weight: 586 kg
Wetted surface: 20.49 m²

Sails

Mainsail: 32.01 m²
Genoa: 20.24 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 93.49 m²

Design

Type: Humphreys 30
Designer: Humphreys
Year built: 1999
Stability index: 114.2

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.

6,43,4.59422,52,5.1,60,5.36,75,5.77,90,5.93,110,5.8,120,5.62,135,4.97,143.4,4.521576,150,4.19
8,40.8,5.402941,52,6.05,60,6.28,75,6.65,90,6.8,110,6.83,120,6.72,135,6.2,147.3,5.454476,150,5.3
10,39.3,5.983147,52,6.61,60,6.78,75,7.08,90,7.27,110,7.39,120,7.32,135,6.99,147.8,6.405157,150,6.26
12,37.6,6.247715,52,6.91,60,7.08,75,7.33,90,7.67,110,7.88,120,7.88,135,7.53,150,6.92,150.1,6.921239
14,37,6.360849,52,7.07,60,7.28,75,7.54,90,7.96,110,8.29,120,8.42,135,8.1,148.6,7.416079,150,7.31
16,37,6.46102,52,7.17,60,7.4,75,7.77,90,8.16,110,8.6,120,8.97,135,8.72,150,7.7,174.8,6.838143
20,37,6.523627,52,7.27,60,7.55,75,8.04,90,8.48,110,9.5,120,9.95,135,10.45,141.7,9.79897,150,8.88

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.1	5.36	5.77	5.93	5.8	5.62	4.97	4.19
8	6.05	6.28	6.65	6.8	6.83	6.72	6.2	5.3
10	6.61	6.78	7.08	7.27	7.39	7.32	6.99	6.26
12	6.91	7.08	7.33	7.67	7.88	7.88	7.53	6.92
14	7.07	7.28	7.54	7.96	8.29	8.42	8.1	7.31
16	7.17	7.4	7.77	8.16	8.6	8.97	8.72	7.7
20	7.27	7.55	8.04	8.48	9.5	9.95	10.45	8.88

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.36	143.4°	3.63
8	40.8°	4.09	147.3°	4.59
10	39.3°	4.63	147.8°	5.42
12	37.6°	4.95	150.1°	6
14	37°	5.08	148.6°	6.33
16	37°	5.16	174.8°	6.81
20	37°	5.21	141.7°	7.69

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