Ulla II — ORC Rating | RegattaPages

GPH

654

OSN

636.1

LOA

10.47 m

Displacement

5500 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6349

Medium

0.8493

High

0.9688

Triple Offshore

Low

0.8153

Medium

1.0301

High

1.1346

Boat Specifications

Dimensions

Length overall: 10.47 m
Beam: 3.28 m
Draft: 1.86 m
Displacement: 5500 kg
Crew weight: 540 kg
Wetted surface: 24.21 m²

Sails

Mainsail: 35.54 m²
Genoa: 34.1 m²
Spinnaker: 65.23 m²
Asymmetric spinnaker: 0 m²

Design

Type: Seaking 34
Builder: Kaarinan venesisus
Designer: Håkan Södergren
Year built: 1981
Stability index: 127.9

Velocity Prediction

Polar CSV

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

6,42.3,4.759129,52,5.32,60,5.57,75,5.73,90,5.61,110,5.38,120,5.19,135,4.64,144.8,4.136353,150,3.9
8,40.6,5.54479,52,6.15,60,6.34,75,6.46,90,6.43,110,6.41,120,6.25,135,5.71,150,4.98,150.5,4.951998
10,39,5.957697,52,6.56,60,6.7,75,6.82,90,6.83,110,6.91,120,6.83,135,6.49,150,5.88,154.1,5.691686
12,38.2,6.133432,52,6.75,60,6.89,75,7.03,90,7.08,110,7.21,120,7.16,135,6.93,150,6.55,161,6.144776
14,37.6,6.235093,52,6.84,60,6.99,75,7.18,90,7.27,110,7.47,120,7.44,135,7.24,150,6.95,175.4,6.430714
16,37.2,6.277228,52,6.9,60,7.06,75,7.29,90,7.43,110,7.71,120,7.72,135,7.53,150,7.24,179,6.841042
20,37,6.348328,52,6.96,60,7.13,75,7.42,90,7.69,110,8.09,120,8.32,135,8.21,150,7.83,179,7.411129

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.32	5.57	5.73	5.61	5.38	5.19	4.64	3.9
8	6.15	6.34	6.46	6.43	6.41	6.25	5.71	4.98
10	6.56	6.7	6.82	6.83	6.91	6.83	6.49	5.88
12	6.75	6.89	7.03	7.08	7.21	7.16	6.93	6.55
14	6.84	6.99	7.18	7.27	7.47	7.44	7.24	6.95
16	6.9	7.06	7.29	7.43	7.71	7.72	7.53	7.24
20	6.96	7.13	7.42	7.69	8.09	8.32	8.21	7.83

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	3.52	144.8°	3.38
8	40.6°	4.21	150.5°	4.31
10	39°	4.63	154.1°	5.12
12	38.2°	4.82	161°	5.81
14	37.6°	4.94	175.4°	6.41
16	37.2°	5	179°	6.84
20	37°	5.07	179°	7.41

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