Jager: ORC Rating

GPH

624.8

OSN

605

LOA

10 m

Displacement

3356 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6416

Medium

0.8825

High

1.0285

Triple Offshore

Low

0.8324

Medium

1.0855

High

1.2376

Boat Specifications

Dimensions

Length overall: 10 m
Beam: 3.37 m
Draft: 1.98 m
Displacement: 3356 kg
Crew weight: 611 kg
Wetted surface: 23.09 m²

Sails

Mainsail: 34.36 m²
Genoa: 20.67 m²
Spinnaker: 63.64 m²
Asymmetric spinnaker: 62.7 m²

Design

Type: Stern 34
Builder: Parnu Yachts
Designer: Bosgraaf
Year built: 2003

Performance data

Polar CSV

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

6,43.4,4.665728,52,5.18,60,5.46,75,5.65,90,5.93,110,5.77,120,5.49,135,4.88,143,4.43256,150,4.09
8,41.2,5.542155,52,6.17,60,6.41,75,6.63,90,6.87,110,6.81,120,6.61,135,6.07,146.4,5.414678,150,5.21
10,39.2,6.090759,52,6.75,60,6.92,75,7.13,90,7.36,110,7.39,120,7.27,135,6.88,150,6.16,150.9,6.111433
12,37.4,6.36947,52,7.05,60,7.22,75,7.44,90,7.73,110,7.88,120,7.8,135,7.41,150,6.88,157.6,6.554568
14,36.5,6.518573,52,7.24,60,7.44,75,7.69,90,8.07,110,8.34,120,8.33,135,7.93,150,7.38,170,6.762741
16,36.5,6.618094,52,7.34,60,7.58,75,7.94,90,8.3,110,8.79,120,8.87,135,8.48,150,7.85,177.2,7.17857
20,36.5,6.705174,52,7.45,60,7.73,75,8.21,90,8.67,110,9.62,120,10.08,135,9.89,150,8.92,177.2,8.069634
24,37.4,6.747106,52,7.48,60,7.79,75,8.36,90,9.02,110,10.44,120,11.53,135,12.48,150,10.4,172.1,9.156904

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.18	5.46	5.65	5.93	5.77	5.49	4.88	4.09
8	6.17	6.41	6.63	6.87	6.81	6.61	6.07	5.21
10	6.75	6.92	7.13	7.36	7.39	7.27	6.88	6.16
12	7.05	7.22	7.44	7.73	7.88	7.8	7.41	6.88
14	7.24	7.44	7.69	8.07	8.34	8.33	7.93	7.38
16	7.34	7.58	7.94	8.3	8.79	8.87	8.48	7.85
20	7.45	7.73	8.21	8.67	9.62	10.08	9.89	8.92
24	7.48	7.79	8.36	9.02	10.44	11.53	12.48	10.4

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.4°	3.39	143°	3.54
8	41.2°	4.17	146.4°	4.51
10	39.2°	4.72	150.9°	5.34
12	37.4°	5.06	157.6°	6.06
14	36.5°	5.24	170°	6.66
16	36.5°	5.32	177.2°	7.17
20	36.5°	5.39	177.2°	8.06
24	37.4°	5.36	172.1°	9.07

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.18	6.17	6.75	7.05	7.24	7.34	7.45	7.48
60°	5.46	6.41	6.92	7.22	7.44	7.58	7.73	7.79
75°	5.65	6.63	7.13	7.44	7.69	7.94	8.21	8.36
90°	5.93	6.87	7.36	7.73	8.07	8.30	8.67	9.02
110°	5.77	6.81	7.39	7.88	8.34	8.79	9.62	10.44
120°	5.49	6.61	7.27	7.80	8.33	8.87	10.08	11.53
135°	4.88	6.07	6.88	7.41	7.93	8.48	9.89	12.48
150°	4.09	5.21	6.16	6.88	7.38	7.85	8.92	10.40