KATARINA JEE: ORC Rating

GPH

648.4

OSN

629.5

LOA

9.98 m

Displacement

4638 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6221

Medium

0.8506

High

0.9811

Triple Offshore

Low

0.8042

Medium

1.0466

High

1.1743

Boat Specifications

Dimensions

Length overall: 9.98 m
Beam: 3.37 m
Draft: 2 m
Displacement: 4638 kg
Crew weight: 660 kg
Wetted surface: 23.6 m²

Sails

Mainsail: 34.12 m²
Genoa: 26.11 m²
Spinnaker: 71.13 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 34.7
Builder: Beneteau
Designer: Farr
Year built: 2005

Performance data

Polar CSV

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

6,43.1,4.464761,52,5.01,60,5.31,75,5.54,90,5.47,110,5.47,120,5.3,135,4.79,145.5,4.259056,150,4.06
8,41.6,5.255429,52,5.93,60,6.25,75,6.48,90,6.51,110,6.6,120,6.44,135,5.89,150,5.115323
10,41.2,5.940871,52,6.58,60,6.78,75,6.94,90,7.07,110,7.15,120,7.06,135,6.73,150,6.03,152,5.934667
12,39.8,6.273726,52,6.9,60,7.06,75,7.22,90,7.36,110,7.53,120,7.45,135,7.18,150,6.76,158,6.417282
14,39,6.36946,52,7.04,60,7.23,75,7.45,90,7.51,110,7.92,120,7.86,135,7.55,150,7.18,180,6.59
16,39.4,6.457594,52,7.09,60,7.3,75,7.63,90,7.78,110,8.26,120,8.29,135,7.96,150,7.52,180,7.05
20,39.4,6.509359,52,7.13,60,7.32,75,7.8,90,8.25,110,8.65,120,9.08,135,8.86,150,8.3,180,7.74

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.01	5.31	5.54	5.47	5.47	5.3	4.79	4.06
8	5.93	6.25	6.48	6.51	6.6	6.44	5.89	5.11
10	6.58	6.78	6.94	7.07	7.15	7.06	6.73	6.03
12	6.9	7.06	7.22	7.36	7.53	7.45	7.18	6.76
14	7.04	7.23	7.45	7.51	7.92	7.86	7.55	7.18
16	7.09	7.3	7.63	7.78	8.26	8.29	7.96	7.52
20	7.13	7.32	7.8	8.25	8.65	9.08	8.86	8.3

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.26	145.5°	3.51
8	41.6°	3.93	150°	4.43
10	41.2°	4.47	152°	5.24
12	39.8°	4.82	158°	5.95
14	39°	4.95	180°	6.59
16	39.4°	4.99	180°	7.05
20	39.4°	5.03	180°	7.74

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°	5.01	5.93	6.58	6.90	7.04	7.09	7.13
60°	5.31	6.25	6.78	7.06	7.23	7.30	7.32
75°	5.54	6.48	6.94	7.22	7.45	7.63	7.80
90°	5.47	6.51	7.07	7.36	7.51	7.78	8.25
110°	5.47	6.60	7.15	7.53	7.92	8.26	8.65
120°	5.30	6.44	7.06	7.45	7.86	8.29	9.08
135°	4.79	5.89	6.73	7.18	7.55	7.96	8.86
150°	4.06	5.11	6.03	6.76	7.18	7.52	8.30