CSI Rakker — ORC Rating

GPH

641.8

OSN

622.5

LOA

9.5 m

Displacement

3327 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7074

Medium

0.969

High

1.1143

Triple Offshore

Low

0.9149

Medium

1.1887

High

1.3397

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: 56.09 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.

6,42.2,4.454616,52,5.03,60,5.31,75,5.52,90,5.55,110,5.59,120,5.42,135,4.88,145,4.309334,150,4.08
8,40.9,5.292031,52,5.99,60,6.27,75,6.48,90,6.58,110,6.69,120,6.55,135,6.02,149,5.214851,150,5.16
10,40.1,5.93525,52,6.58,60,6.76,75,6.91,90,7.09,110,7.2,120,7.12,135,6.8,150,6.13,150.7,6.088966
12,38.5,6.23556,52,6.89,60,7.05,75,7.19,90,7.42,110,7.63,120,7.56,135,7.24,150,6.82,158.6,6.465778
14,38.2,6.362482,52,7.02,60,7.22,75,7.45,90,7.6,110,8.07,120,8.06,135,7.68,150,7.23,180,6.63
16,38.2,6.413381,52,7.07,60,7.29,75,7.67,90,7.82,110,8.48,120,8.62,135,8.19,150,7.63,180,7.08
20,38.2,6.477006,52,7.1,60,7.32,75,7.85,90,8.39,110,9.03,120,9.61,135,9.47,150,8.61,180,7.86

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.03	5.31	5.52	5.55	5.59	5.42	4.88	4.08
8	5.99	6.27	6.48	6.58	6.69	6.55	6.02	5.16
10	6.58	6.76	6.91	7.09	7.2	7.12	6.8	6.13
12	6.89	7.05	7.19	7.42	7.63	7.56	7.24	6.82
14	7.02	7.22	7.45	7.6	8.07	8.06	7.68	7.23
16	7.07	7.29	7.67	7.82	8.48	8.62	8.19	7.63
20	7.1	7.32	7.85	8.39	9.03	9.61	9.47	8.61

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	3.3	145°	3.53
8	40.9°	4	149°	4.47
10	40.1°	4.54	150.7°	5.31
12	38.5°	4.88	158.6°	6.02
14	38.2°	5	180°	6.63
16	38.2°	5.04	180°	7.08
20	38.2°	5.09	180°	7.86

Loading polar chart…