TANAKAS — ORC Rating | RegattaPages

GPH

692.6

OSN

671

LOA

8.99 m

Displacement

3712 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5924

Medium

0.8054

High

0.9255

Triple Offshore

Low

0.7602

Medium

0.9768

High

1.0874

Boat Specifications

Dimensions

Length overall: 8.99 m
Beam: 3.24 m
Draft: 1.74 m
Displacement: 3712 kg
Crew weight: 480 kg
Wetted surface: 20.08 m²

Sails

Mainsail: 26.93 m²
Genoa: 27.01 m²
Spinnaker: 53.6 m²
Asymmetric spinnaker: 0 m²

Design

Type: FORTUNA 9
Builder: LABORNA
Designer: J. VISIERS
Year built: 1989

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.

6,42.9,4.395647,52,4.89,60,5.13,75,5.27,90,5.17,110,5.07,120,4.89,135,4.38,145.8,3.869031,150,3.7
8,41,5.1278,52,5.71,60,5.91,75,6.04,90,6,110,6.03,120,5.88,135,5.37,150,4.72,150.9,4.680854
10,39.2,5.600401,52,6.17,60,6.31,75,6.42,90,6.49,110,6.54,120,6.45,135,6.12,150,5.57,154.6,5.357922
12,37.7,5.839058,52,6.41,60,6.54,75,6.67,90,6.78,110,6.87,120,6.8,135,6.56,150,6.2,162.3,5.794293
14,37.1,5.955486,52,6.55,60,6.7,75,6.86,90,6.99,110,7.17,120,7.11,135,6.88,150,6.58,175.8,6.096372
16,36.7,5.999184,52,6.62,60,6.79,75,7.02,90,7.11,110,7.45,120,7.41,135,7.19,150,6.89,179,6.480987
20,36.9,6.039881,52,6.68,60,6.87,75,7.19,90,7.44,110,7.91,120,8.04,135,7.85,150,7.48,179,7.071077
24,37.8,6.03679,52,6.68,60,6.89,75,7.28,90,7.65,110,8.19,120,8.69,135,8.72,150,8.18,179,7.641164

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.89	5.13	5.27	5.17	5.07	4.89	4.38	3.7
8	5.71	5.91	6.04	6	6.03	5.88	5.37	4.72
10	6.17	6.31	6.42	6.49	6.54	6.45	6.12	5.57
12	6.41	6.54	6.67	6.78	6.87	6.8	6.56	6.2
14	6.55	6.7	6.86	6.99	7.17	7.11	6.88	6.58
16	6.62	6.79	7.02	7.11	7.45	7.41	7.19	6.89
20	6.68	6.87	7.19	7.44	7.91	8.04	7.85	7.48
24	6.68	6.89	7.28	7.65	8.19	8.69	8.72	8.18

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.22	145.8°	3.2
8	41°	3.87	150.9°	4.09
10	39.2°	4.34	154.6°	4.84
12	37.7°	4.62	162.3°	5.52
14	37.1°	4.75	175.8°	6.08
16	36.7°	4.81	179°	6.48
20	36.9°	4.83	179°	7.07
24	37.8°	4.77	179°	7.64

Loading polar chart…