Kymera: ORC Rating

GPH

677.3

OSN

655

LOA

9.49 m

Displacement

4013 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.664

Medium

0.9183

High

1.0802

Triple Offshore

Low

0.857

Medium

1.1303

High

1.2844

Boat Specifications

Dimensions

Length overall: 9.49 m
Beam: 3.22 m
Draft: 1.95 m
Displacement: 4013 kg
Crew weight: 590 kg
Wetted surface: 22.55 m²

Sails

Mainsail: 25.5 m²
Genoa: 25.3 m²
Spinnaker: 60.19 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 31.7
Builder: Beneteau
Designer: Finot
Year built: 1998

Performance data

Polar CSV

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

6,42.7,4.218177,52,4.74,60,5,75,5.2,90,5.13,110,5.18,120,5.01,135,4.53,146.3,3.978585,150,3.82
8,41,4.968799,52,5.63,60,5.92,75,6.13,90,6.19,110,6.28,120,6.1,135,5.56,150,4.85,150.5,4.825613
10,40.7,5.605867,52,6.27,60,6.49,75,6.66,90,6.81,110,6.88,120,6.79,135,6.43,150,5.73,152.4,5.608192
12,39.3,6.034838,52,6.64,60,6.8,75,6.94,90,7.13,110,7.24,120,7.17,135,6.91,150,6.48,157.4,6.152445
14,38,6.218189,52,6.84,60,6.99,75,7.16,90,7.31,110,7.61,120,7.53,135,7.25,150,6.91,175.5,6.329512
16,37.5,6.264548,52,6.92,60,7.11,75,7.35,90,7.45,110,7.98,120,7.94,135,7.63,150,7.23,180,6.79
20,37.8,6.302561,52,6.96,60,7.18,75,7.58,90,7.92,110,8.43,120,8.78,135,8.49,150,7.96,180,7.43

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.74	5	5.2	5.13	5.18	5.01	4.53	3.82
8	5.63	5.92	6.13	6.19	6.28	6.1	5.56	4.85
10	6.27	6.49	6.66	6.81	6.88	6.79	6.43	5.73
12	6.64	6.8	6.94	7.13	7.24	7.17	6.91	6.48
14	6.84	6.99	7.16	7.31	7.61	7.53	7.25	6.91
16	6.92	7.11	7.35	7.45	7.98	7.94	7.63	7.23
20	6.96	7.18	7.58	7.92	8.43	8.78	8.49	7.96

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.1	146.3°	3.31
8	41°	3.75	150.5°	4.2
10	40.7°	4.25	152.4°	4.97
12	39.3°	4.67	157.4°	5.68
14	38°	4.9	175.5°	6.31
16	37.5°	4.97	180°	6.79
20	37.8°	4.98	180°	7.43

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°	4.74	5.63	6.27	6.64	6.84	6.92	6.96
60°	5.00	5.92	6.49	6.80	6.99	7.11	7.18
75°	5.20	6.13	6.66	6.94	7.16	7.35	7.58
90°	5.13	6.19	6.81	7.13	7.31	7.45	7.92
110°	5.18	6.28	6.88	7.24	7.61	7.98	8.43
120°	5.01	6.10	6.79	7.17	7.53	7.94	8.78
135°	4.53	5.56	6.43	6.91	7.25	7.63	8.49
150°	3.82	4.85	5.73	6.48	6.91	7.23	7.96