Farr well — ORC Rating

GPH

610.5

OSN

595

LOA

9.56 m

Displacement

2459 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7555

Medium

1.0098

High

1.1476

Triple Offshore

Low

0.9784

Medium

1.2395

High

1.4005

Boat Specifications

Dimensions

Length overall: 9.56 m
Beam: 3.22 m
Draft: 1.97 m
Displacement: 2459 kg
Crew weight: 514 kg
Wetted surface: 18.04 m²

Sails

Mainsail: 32.58 m²
Genoa: 25.94 m²
Spinnaker: 56.91 m²
Asymmetric spinnaker: 0 m²

Design

Type: Farr 31
Builder: Ukjent
Designer: Farr
Year built: 1994

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.

6,42.8,5.069986,52,5.67,60,6.04,75,6.35,90,6.33,110,5.7,120,5.5,135,4.92,144.4,4.3906,150,4.12
8,41.1,5.971628,52,6.62,60,6.82,75,7,90,6.96,110,6.76,120,6.62,135,6.09,148.6,5.295525,150,5.22
10,38.2,6.298857,52,6.94,60,7.15,75,7.42,90,7.39,110,7.32,120,7.19,135,6.84,150,6.2,151.6,6.116079
12,37,6.423456,52,7.08,60,7.34,75,7.75,90,7.86,110,7.91,120,7.77,135,7.33,150,6.86,160,6.480843
14,36.5,6.468813,52,7.18,60,7.47,75,7.96,90,8.28,110,8.49,120,8.42,135,7.89,150,7.32,180,6.71
16,36.5,6.493693,52,7.25,60,7.56,75,8.09,90,8.6,110,9.09,120,9.15,135,8.52,150,7.84,180,7.16
20,36.7,6.572911,52,7.33,60,7.64,75,8.27,90,9,110,10.18,120,10.47,135,10.23,150,9.06,180,8.13

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.67	6.04	6.35	6.33	5.7	5.5	4.92	4.12
8	6.62	6.82	7	6.96	6.76	6.62	6.09	5.22
10	6.94	7.15	7.42	7.39	7.32	7.19	6.84	6.2
12	7.08	7.34	7.75	7.86	7.91	7.77	7.33	6.86
14	7.18	7.47	7.96	8.28	8.49	8.42	7.89	7.32
16	7.25	7.56	8.09	8.6	9.09	9.15	8.52	7.84
20	7.33	7.64	8.27	9	10.18	10.47	10.23	9.06

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.8°	3.72	144.4°	3.57
8	41.1°	4.5	148.6°	4.52
10	38.2°	4.95	151.6°	5.38
12	37°	5.13	160°	6.09
14	36.5°	5.2	180°	6.71
16	36.5°	5.22	180°	7.16
20	36.7°	5.27	180°	8.13

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