Joppe — ORC Rating | RegattaPages

GPH

632.9

OSN

619

LOA

9.3 m

Displacement

3111 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7152

Medium

0.9669

High

1.1094

Triple Offshore

Low

0.938

Medium

1.1984

High

1.3502

Boat Specifications

Dimensions

Length overall: 9.3 m
Beam: 3.21 m
Draft: 1.99 m
Displacement: 3111 kg
Crew weight: 587 kg
Wetted surface: 20.55 m²

Sails

Mainsail: 33.21 m²
Genoa: 20.24 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 66.59 m²

Design

Type: Humphreys 30
Designer: Humphreys
Year built: 1999

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.

6,42.2,4.562607,52,5.15,60,5.61,75,6.18,90,6.32,110,5.78,120,5.47,135,4.85,143.8,4.374441,150,4.08
8,41.1,5.414276,52,6.16,60,6.57,75,6.88,90,6.95,110,6.71,120,6.55,135,5.98,147.8,5.247029,150,5.13
10,39.6,6.034938,52,6.65,60,6.92,75,7.25,90,7.33,110,7.2,120,7.09,135,6.75,148.1,6.160394,150,6.04
12,37.6,6.272958,52,6.91,60,7.07,75,7.49,90,7.75,110,7.71,120,7.56,135,7.19,150,6.67,150.4,6.647537
14,36.9,6.352504,52,7.03,60,7.24,75,7.66,90,8.14,110,8.24,120,8.13,135,7.66,150,7.03,177.1,6.368155
16,36.7,6.398299,52,7.09,60,7.33,75,7.79,90,8.35,110,8.73,120,8.75,135,8.22,150,7.36,179.1,6.850845
20,36.9,6.502563,52,7.16,60,7.4,75,7.99,90,8.64,110,9.56,120,10.01,135,9.62,150,8.34,178.9,7.581397

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.15	5.61	6.18	6.32	5.78	5.47	4.85	4.08
8	6.16	6.57	6.88	6.95	6.71	6.55	5.98	5.13
10	6.65	6.92	7.25	7.33	7.2	7.09	6.75	6.04
12	6.91	7.07	7.49	7.75	7.71	7.56	7.19	6.67
14	7.03	7.24	7.66	8.14	8.24	8.13	7.66	7.03
16	7.09	7.33	7.79	8.35	8.73	8.75	8.22	7.36
20	7.16	7.4	7.99	8.64	9.56	10.01	9.62	8.34

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	3.38	143.8°	3.53
8	41.1°	4.08	147.8°	4.44
10	39.6°	4.65	148.1°	5.23
12	37.6°	4.97	150.4°	5.78
14	36.9°	5.08	177.1°	6.36
16	36.7°	5.13	179.1°	6.85
20	36.9°	5.2	178.9°	7.58

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