GAYA: ORC Rating

GPH

636.7

OSN

616.7

LOA

9.5 m

Displacement

3370 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.715

Medium

0.9801

High

1.1302

Triple Offshore

Low

0.9224

Medium

1.1975

High

1.3541

Boat Specifications

Dimensions

Length overall: 9.5 m
Beam: 3.27 m
Draft: 1.97 m
Displacement: 3370 kg
Crew weight: 542 kg
Wetted surface: 20.68 m²

Sails

Mainsail: 28.68 m²
Genoa: 21.86 m²
Spinnaker: 69.21 m²
Asymmetric spinnaker: 0 m²

Design

Type: A-31 Bulb Keel 2r
Builder: ARCHAMBAULT
Designer: JOUBERT-NIVELT
Year built: 2009

Performance data

Polar CSV

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

6,42.5,4.448801,52,5.03,60,5.32,75,5.54,90,5.58,110,5.65,120,5.49,135,4.95,145,4.431412,150,4.19
8,41.1,5.294843,52,5.98,60,6.27,75,6.48,90,6.62,110,6.73,120,6.61,135,6.12,148.7,5.360118,150,5.29
10,40.3,5.965896,52,6.6,60,6.78,75,6.92,90,7.1,110,7.23,120,7.16,135,6.87,150,6.25,151.7,6.155752
12,38.3,6.282044,52,6.92,60,7.07,75,7.21,90,7.32,110,7.69,120,7.62,135,7.31,150,6.89,159.2,6.525281
14,37.8,6.429118,52,7.08,60,7.27,75,7.48,90,7.54,110,8.1,120,8.16,135,7.77,150,7.3,180,6.7
16,37.7,6.483629,52,7.15,60,7.38,75,7.74,90,7.86,110,8.38,120,8.75,135,8.31,150,7.72,180,7.14
20,37.5,6.516642,52,7.17,60,7.43,75,8,90,8.5,110,8.9,120,9.49,135,9.72,150,8.76,180,7.95

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.03	5.32	5.54	5.58	5.65	5.49	4.95	4.19
8	5.98	6.27	6.48	6.62	6.73	6.61	6.12	5.29
10	6.6	6.78	6.92	7.1	7.23	7.16	6.87	6.25
12	6.92	7.07	7.21	7.32	7.69	7.62	7.31	6.89
14	7.08	7.27	7.48	7.54	8.1	8.16	7.77	7.3
16	7.15	7.38	7.74	7.86	8.38	8.75	8.31	7.72
20	7.17	7.43	8	8.5	8.9	9.49	9.72	8.76

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.5°	3.28	145°	3.63
8	41.1°	3.99	148.7°	4.58
10	40.3°	4.55	151.7°	5.42
12	38.3°	4.93	159.2°	6.1
14	37.8°	5.08	180°	6.7
16	37.7°	5.13	180°	7.14
20	37.5°	5.17	180°	7.95

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°	5.03	5.98	6.60	6.92	7.08	7.15	7.17
60°	5.32	6.27	6.78	7.07	7.27	7.38	7.43
75°	5.54	6.48	6.92	7.21	7.48	7.74	8.00
90°	5.58	6.62	7.10	7.32	7.54	7.86	8.50
110°	5.65	6.73	7.23	7.69	8.10	8.38	8.90
120°	5.49	6.61	7.16	7.62	8.16	8.75	9.49
135°	4.95	6.12	6.87	7.31	7.77	8.31	9.72
150°	4.19	5.29	6.25	6.89	7.30	7.72	8.76