CSI Rakker — ORC Rating

GPH

638.3

OSN

621.2

LOA

9.5 m

Displacement

3327 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6288

Medium

0.8604

High

0.9878

Triple Offshore

Low

0.8207

Medium

1.0604

High

1.1947

Boat Specifications

Dimensions

Length overall: 9.5 m
Beam: 3.27 m
Draft: 1.97 m
Displacement: 3327 kg
Crew weight: 595 kg
Wetted surface: 20.15 m²

Sails

Mainsail: 27.9 m²
Genoa: 21.81 m²
Spinnaker: 68.38 m²
Asymmetric spinnaker: 56.66 m²

Design

Type: A-31
Builder: ARCHAMBAULT
Designer: JOUBERT-NIVELT
Year built: 2009

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.

6,42.4,4.455246,52,5.03,60,5.34,75,5.83,90,6,110,5.71,120,5.42,135,4.89,145,4.321542,150,4.09
8,41.2,5.302925,52,5.98,60,6.3,75,6.69,90,6.84,110,6.7,120,6.56,135,6.04,149,5.226518,150,5.17
10,40.1,5.922177,52,6.58,60,6.77,75,7.09,90,7.25,110,7.2,120,7.12,135,6.81,150,6.13,151,6.082644
12,38.6,6.231443,52,6.88,60,7.04,75,7.32,90,7.62,110,7.64,120,7.58,135,7.25,150,6.83,159,6.459004
14,38.2,6.337032,52,7.01,60,7.21,75,7.47,90,7.95,110,8.08,120,8.08,135,7.69,150,7.24,180,6.64
16,38.6,6.410581,52,7.06,60,7.29,75,7.67,90,8.15,110,8.56,120,8.65,135,8.21,150,7.64,180,7.08
20,38.6,6.474558,52,7.09,60,7.3,75,7.84,90,8.41,110,9.52,120,9.67,135,9.52,150,8.63,180,7.87

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.03	5.34	5.83	6	5.71	5.42	4.89	4.09
8	5.98	6.3	6.69	6.84	6.7	6.56	6.04	5.17
10	6.58	6.77	7.09	7.25	7.2	7.12	6.81	6.13
12	6.88	7.04	7.32	7.62	7.64	7.58	7.25	6.83
14	7.01	7.21	7.47	7.95	8.08	8.08	7.69	7.24
16	7.06	7.29	7.67	8.15	8.56	8.65	8.21	7.64
20	7.09	7.3	7.84	8.41	9.52	9.67	9.52	8.63

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.29	145°	3.54
8	41.2°	3.99	149°	4.48
10	40.1°	4.53	151°	5.32
12	38.6°	4.87	159°	6.03
14	38.2°	4.98	180°	6.64
16	38.6°	5.01	180°	7.08
20	38.6°	5.06	180°	7.87

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