KARRAKELA — ORC Rating

GPH

680

OSN

660.9

LOA

8.923 m

Displacement

2475 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6128

Medium

0.8165

High

0.9238

Triple Offshore

Low

0.7838

Medium

0.9899

High

1.0963

Boat Specifications

Dimensions

Length overall: 8.923 m
Beam: 3.04 m
Draft: 1.72 m
Displacement: 2475 kg
Crew weight: 407 kg
Wetted surface: 16.27 m²

Sails

Mainsail: 27.67 m²
Genoa: 21.53 m²
Spinnaker: 44.1 m²
Asymmetric spinnaker: 0 m²

Design

Type: PROTO 1/2 TON 1983
Builder: FONTAINE
Designer: JOUBERT/NIVELT
Year built: 1983
Stability index: 108

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.

6,41.8,4.574259,52,5.12,60,5.34,75,5.47,90,5.36,110,5.18,120,4.99,135,4.46,146,3.932271,150,3.76
8,40.2,5.315555,52,5.89,60,6.05,75,6.15,90,6.11,110,6.11,120,5.96,135,5.47,150,4.79,151.1,4.740341
10,38.4,5.703761,52,6.28,60,6.41,75,6.52,90,6.57,110,6.61,120,6.51,135,6.18,150,5.64,155,5.428619
12,37.8,5.85961,52,6.47,60,6.61,75,6.77,90,6.85,110,6.99,120,6.9,135,6.62,150,6.25,164.6,5.798181
14,37.6,5.944796,52,6.56,60,6.73,75,6.96,90,7.07,110,7.32,120,7.26,135,6.98,150,6.66,177.2,6.167363
16,37.6,5.995282,52,6.62,60,6.81,75,7.09,90,7.28,110,7.63,120,7.62,135,7.35,150,7,179,6.560999
20,38.2,6.031633,52,6.67,60,6.88,75,7.26,90,7.63,110,8.17,120,8.49,135,8.22,150,7.72,179,7.2211

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.12	5.34	5.47	5.36	5.18	4.99	4.46	3.76
8	5.89	6.05	6.15	6.11	6.11	5.96	5.47	4.79
10	6.28	6.41	6.52	6.57	6.61	6.51	6.18	5.64
12	6.47	6.61	6.77	6.85	6.99	6.9	6.62	6.25
14	6.56	6.73	6.96	7.07	7.32	7.26	6.98	6.66
16	6.62	6.81	7.09	7.28	7.63	7.62	7.35	7
20	6.67	6.88	7.26	7.63	8.17	8.49	8.22	7.72

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	3.41	146°	3.26
8	40.2°	4.06	151.1°	4.15
10	38.4°	4.47	155°	4.92
12	37.8°	4.63	164.6°	5.59
14	37.6°	4.71	177.2°	6.16
16	37.6°	4.75	179°	6.56
20	38.2°	4.74	179°	7.22

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