BONA TEMPORA — ORC Rating

GPH

647

OSN

626.8

LOA

9.99 m

Displacement

4575 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6219

Medium

0.8556

High

0.9887

Triple Offshore

Low

0.804

Medium

1.0501

High

1.1781

Boat Specifications

Dimensions

Length overall: 9.99 m
Beam: 3.37 m
Draft: 2 m
Displacement: 4575 kg
Crew weight: 590 kg
Wetted surface: 23.72 m²

Sails

Mainsail: 34.57 m²
Genoa: 25.48 m²
Spinnaker: 79.08 m²
Asymmetric spinnaker: 0 m²

Design

Type: FIRST 34.7
Builder: BENETEAU
Designer: FARR
Year built: 2005
Stability index: 127.1

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.

6,43,4.402794,52,4.94,60,5.24,75,5.45,90,5.47,110,5.53,120,5.36,135,4.85,145.1,4.328467,150,4.1
8,42,5.247968,52,5.88,60,6.19,75,6.42,90,6.55,110,6.65,120,6.52,135,5.97,149.8,5.183537,150,5.17
10,41.2,5.927581,52,6.56,60,6.76,75,6.91,90,7.09,110,7.19,120,7.11,135,6.8,150,6.13,151.1,6.065351
12,39.4,6.250537,52,6.89,60,7.06,75,7.2,90,7.33,110,7.58,120,7.52,135,7.24,150,6.84,158.3,6.500687
14,39.3,6.422515,52,7.04,60,7.23,75,7.43,90,7.49,110,7.96,120,7.94,135,7.64,150,7.25,171.8,6.708587
16,39,6.472401,52,7.1,60,7.3,75,7.62,90,7.77,110,8.21,120,8.38,135,8.07,150,7.62,179,7.09108
20,38.8,6.544016,52,7.15,60,7.33,75,7.8,90,8.24,110,8.59,120,9.02,135,9.04,150,8.45,178.1,7.804291

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.94	5.24	5.45	5.47	5.53	5.36	4.85	4.1
8	5.88	6.19	6.42	6.55	6.65	6.52	5.97	5.17
10	6.56	6.76	6.91	7.09	7.19	7.11	6.8	6.13
12	6.89	7.06	7.2	7.33	7.58	7.52	7.24	6.84
14	7.04	7.23	7.43	7.49	7.96	7.94	7.64	7.25
16	7.1	7.3	7.62	7.77	8.21	8.38	8.07	7.62
20	7.15	7.33	7.8	8.24	8.59	9.02	9.04	8.45

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.22	145.1°	3.55
8	42°	3.9	149.8°	4.48
10	41.2°	4.46	151.1°	5.31
12	39.4°	4.83	158.3°	6.04
14	39.3°	4.97	171.8°	6.64
16	39°	5.03	179°	7.09
20	38.8°	5.1	178.1°	7.8

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