SILVA: ORC Rating

GPH

627.2

OSN

608.8

LOA

10.64 m

Displacement

5534 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.648

Medium

0.8823

High

1.0144

Triple Offshore

Low

0.8349

Medium

1.08

High

1.207

Boat Specifications

Dimensions

Length overall: 10.64 m
Beam: 3.46 m
Draft: 2.22 m
Displacement: 5534 kg
Crew weight: 710 kg
Wetted surface: 26.39 m²

Sails

Mainsail: 36.8 m²
Genoa: 35.67 m²
Spinnaker: 87.95 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 36.7
Builder: Beneteau S.A.
Designer: B.Farr
Year built: 2001

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,42.2,4.657099,52,5.25,60,5.54,75,5.77,90,5.7,110,5.6,120,5.44,135,4.93,145,4.406996,150,4.16
8,40.9,5.490482,52,6.2,60,6.47,75,6.68,90,6.67,110,6.74,120,6.59,135,6.04,150,5.230793
10,40.1,6.157495,52,6.82,60,7,75,7.13,90,7.22,110,7.31,120,7.23,135,6.9,150,6.17,151,6.116944
12,38.6,6.474558,52,7.12,60,7.27,75,7.41,90,7.5,110,7.7,120,7.63,135,7.36,150,6.92,157,6.605071
14,38.2,6.591531,52,7.24,60,7.42,75,7.64,90,7.71,110,8.08,120,8.04,135,7.74,150,7.35,174,6.746961
16,38.1,6.646038,52,7.29,60,7.49,75,7.81,90,7.99,110,8.37,120,8.47,135,8.15,150,7.7,180,7.2
20,38.2,6.655156,52,7.3,60,7.52,75,7.95,90,8.42,110,8.75,120,9.15,135,9.05,150,8.48,180,7.89

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.25	5.54	5.77	5.7	5.6	5.44	4.93	4.16
8	6.2	6.47	6.68	6.67	6.74	6.59	6.04	5.23
10	6.82	7	7.13	7.22	7.31	7.23	6.9	6.17
12	7.12	7.27	7.41	7.5	7.7	7.63	7.36	6.92
14	7.24	7.42	7.64	7.71	8.08	8.04	7.74	7.35
16	7.29	7.49	7.81	7.99	8.37	8.47	8.15	7.7
20	7.3	7.52	7.95	8.42	8.75	9.15	9.05	8.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.2°	3.45	145°	3.61
8	40.9°	4.15	150°	4.53
10	40.1°	4.71	151°	5.35
12	38.6°	5.06	157°	6.08
14	38.2°	5.18	174°	6.71
16	38.1°	5.23	180°	7.2
20	38.2°	5.23	180°	7.89

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.25	6.20	6.82	7.12	7.24	7.29	7.30
60°	5.54	6.47	7.00	7.27	7.42	7.49	7.52
75°	5.77	6.68	7.13	7.41	7.64	7.81	7.95
90°	5.70	6.67	7.22	7.50	7.71	7.99	8.42
110°	5.60	6.74	7.31	7.70	8.08	8.37	8.75
120°	5.44	6.59	7.23	7.63	8.04	8.47	9.15
135°	4.93	6.04	6.90	7.36	7.74	8.15	9.05
150°	4.16	5.23	6.17	6.92	7.35	7.70	8.48