FIRST...ISSIMA: ORC Rating

GPH

626.2

OSN

609.9

LOA

9.982 m

Displacement

4709 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6694

Medium

0.8795

High

0.9924

Triple Offshore

Low

0.8548

Medium

1.0738

High

1.1828

Boat Specifications

Dimensions

Length overall: 9.982 m
Beam: 3.37 m
Draft: 2.01 m
Displacement: 4709 kg
Crew weight: 550 kg
Wetted surface: 23.58 m²

Sails

Mainsail: 35.16 m²
Genoa: 35.04 m²
Spinnaker: 75.37 m²
Asymmetric spinnaker: 94.58 m²

Design

Type: First 34.7
Builder: Beneteau
Designer: Farr
Year built: 2006
Stability index: 127.1

Performance data

Polar CSV

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

6,42.4,4.834416,52,5.41,60,5.67,75,5.84,90,5.73,110,5.74,120,5.58,135,5.05,144.2,4.586569,150,4.29
8,40.6,5.650154,52,6.29,60,6.49,75,6.62,90,6.63,110,6.76,120,6.65,135,6.2,147.9,5.524588,150,5.4
10,39,6.09924,52,6.76,60,6.92,75,7.04,90,7.11,110,7.28,120,7.22,135,6.94,149.2,6.356525,150,6.3
12,38.2,6.286132,52,6.97,60,7.14,75,7.3,90,7.35,110,7.66,120,7.65,135,7.39,150,6.87,159.5,6.405656
14,37.6,6.36131,52,7.07,60,7.25,75,7.5,90,7.6,110,7.98,120,8.05,135,7.81,150,7.23,173,6.649565
16,38.1,6.468133,52,7.12,60,7.32,75,7.62,90,7.82,110,8.19,120,8.42,135,8.24,150,7.59,178.1,7.073889
20,38.4,6.507647,52,7.17,60,7.38,75,7.77,90,8.14,110,8.56,120,9.04,135,9.24,150,8.35,179,7.781185

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.41	5.67	5.84	5.73	5.74	5.58	5.05	4.29
8	6.29	6.49	6.62	6.63	6.76	6.65	6.2	5.4
10	6.76	6.92	7.04	7.11	7.28	7.22	6.94	6.3
12	6.97	7.14	7.3	7.35	7.66	7.65	7.39	6.87
14	7.07	7.25	7.5	7.6	7.98	8.05	7.81	7.23
16	7.12	7.32	7.62	7.82	8.19	8.42	8.24	7.59
20	7.17	7.38	7.77	8.14	8.56	9.04	9.24	8.35

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.57	144.2°	3.72
8	40.6°	4.29	147.9°	4.68
10	39°	4.74	149.2°	5.46
12	38.2°	4.94	159.5°	6
14	37.6°	5.04	173°	6.6
16	38.1°	5.09	178.1°	7.07
20	38.4°	5.1	179°	7.78

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°	5.41	6.29	6.76	6.97	7.07	7.12	7.17
60°	5.67	6.49	6.92	7.14	7.25	7.32	7.38
75°	5.84	6.62	7.04	7.30	7.50	7.62	7.77
90°	5.73	6.63	7.11	7.35	7.60	7.82	8.14
110°	5.74	6.76	7.28	7.66	7.98	8.19	8.56
120°	5.58	6.65	7.22	7.65	8.05	8.42	9.04
135°	5.05	6.20	6.94	7.39	7.81	8.24	9.24
150°	4.29	5.40	6.30	6.87	7.23	7.59	8.35