Jabulani — ORC Rating

GPH

786.7

OSN

761.7

LOA

7.5 m

Displacement

1800 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5216

Medium

0.7052

High

0.8015

Triple Offshore

Low

0.6672

Medium

0.8615

High

0.9551

Boat Specifications

Dimensions

Length overall: 7.5 m
Beam: 2.3 m
Draft: 1.24 m
Displacement: 1800 kg
Crew weight: 250 kg
Wetted surface: 12.37 m²

Sails

Mainsail: 13.26 m²
Genoa: 15.66 m²
Spinnaker: 30.28 m²
Asymmetric spinnaker: 0 m²

Design

Type: FLAMENCA
Builder: NEBE
Designer: BERCKEMEYER
Year built: 1975
Stability index: 106.4

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.

6,43.6,3.769823,52,4.19,60,4.41,75,4.54,90,4.47,110,4.48,120,4.34,135,3.93,147.8,3.474384,150,3.39
8,42,4.413675,52,4.91,60,5.12,75,5.27,90,5.28,110,5.36,120,5.24,135,4.85,150,4.31,152.3,4.22411
10,41.1,4.870194,52,5.37,60,5.54,75,5.69,90,5.78,110,5.87,120,5.8,135,5.52,150,5.06,155.9,4.842062
12,40,5.117197,52,5.63,60,5.78,75,5.93,90,6.05,110,6.18,120,6.14,135,5.94,150,5.62,165.8,5.178219
14,39.6,5.217302,52,5.76,60,5.92,75,6.11,90,6.2,110,6.44,120,6.42,135,6.24,150,5.98,176.6,5.539751
16,40,5.2869,52,5.81,60,5.99,75,6.24,90,6.36,110,6.67,120,6.69,135,6.53,150,6.26,179,5.890897
20,41.2,5.316216,52,5.83,60,6.03,75,6.36,90,6.63,110,7.03,120,7.27,135,7.18,150,6.82,179,6.430979

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.19	4.41	4.54	4.47	4.48	4.34	3.93	3.39
8	4.91	5.12	5.27	5.28	5.36	5.24	4.85	4.31
10	5.37	5.54	5.69	5.78	5.87	5.8	5.52	5.06
12	5.63	5.78	5.93	6.05	6.18	6.14	5.94	5.62
14	5.76	5.92	6.11	6.2	6.44	6.42	6.24	5.98
16	5.81	5.99	6.24	6.36	6.67	6.69	6.53	6.26
20	5.83	6.03	6.36	6.63	7.03	7.27	7.18	6.82

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	2.73	147.8°	2.94
8	42°	3.28	152.3°	3.74
10	41.1°	3.67	155.9°	4.42
12	40°	3.92	165.8°	5.02
14	39.6°	4.02	176.6°	5.53
16	40°	4.05	179°	5.89
20	41.2°	4	179°	6.43

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