TACHYON — ORC Rating | RegattaPages

GPH

541.6

OSN

529.4

LOA

12.01 m

Displacement

4563 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7779

Medium

1.0027

High

1.1391

Triple Offshore

Low

0.9977

Medium

1.2327

High

1.3804

Boat Specifications

Dimensions

Length overall: 12.01 m
Beam: 3.75 m
Draft: 2.67 m
Displacement: 4563 kg
Crew weight: 723 kg
Wetted surface: 28.17 m²

Sails

Mainsail: 58.66 m²
Genoa: 39.07 m²
Spinnaker: 109.2 m²
Asymmetric spinnaker: 123.07 m²

Design

Type: Farr 39 CR
Builder: LINDSAY
Designer: FARR
Year built: 1996
Stability index: 124.8

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.

6,41.8,5.808369,52,6.5,60,6.8,75,7,90,6.87,110,6.68,120,6.45,135,5.77,141.7,5.326358,150,4.83
8,39.3,6.60343,52,7.37,60,7.59,75,7.75,90,7.71,110,7.76,120,7.65,135,7.11,141.5,6.682782,150,6.04
10,37.5,6.869575,52,7.67,60,7.89,75,8.16,90,8.22,110,8.38,120,8.34,135,7.93,149.6,7.118728,150,7.09
12,37,7.037002,52,7.83,60,8.07,75,8.42,90,8.65,110,8.86,120,8.99,135,8.62,150,7.87,155.6,7.576725
14,36.6,7.124907,52,7.93,60,8.19,75,8.61,90,8.99,110,9.24,120,9.63,135,9.37,150,8.48,165.5,7.757081
16,36.4,7.181072,52,8,60,8.28,75,8.76,90,9.24,110,9.61,120,10.16,135,10.28,150,9.15,171.8,8.163461
20,36.6,7.2121,52,8.07,60,8.38,75,8.95,90,9.63,110,10.41,120,11.18,135,12.47,146.9,11.328385,150,10.96

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.5	6.8	7	6.87	6.68	6.45	5.77	4.83
8	7.37	7.59	7.75	7.71	7.76	7.65	7.11	6.04
10	7.67	7.89	8.16	8.22	8.38	8.34	7.93	7.09
12	7.83	8.07	8.42	8.65	8.86	8.99	8.62	7.87
14	7.93	8.19	8.61	8.99	9.24	9.63	9.37	8.48
16	8	8.28	8.76	9.24	9.61	10.16	10.28	9.15
20	8.07	8.38	8.95	9.63	10.41	11.18	12.47	10.96

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.8°	4.33	141.7°	4.18
8	39.3°	5.11	141.5°	5.23
10	37.5°	5.45	149.6°	6.14
12	37°	5.62	155.6°	6.9
14	36.6°	5.72	165.5°	7.51
16	36.4°	5.78	171.8°	8.08
20	36.6°	5.79	146.9°	9.49

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