CALLE STRÖMER — ORC Rating

GPH

770.5

OSN

745.2

LOA

8.66 m

Displacement

3811 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5118

Medium

0.7116

High

0.8406

Triple Offshore

Low

0.6633

Medium

0.8863

High

1.0089

Boat Specifications

Dimensions

Length overall: 8.66 m
Beam: 2.8 m
Draft: 1.58 m
Displacement: 3811 kg
Crew weight: 300 kg
Wetted surface: 20.01 m²

Sails

Mainsail: 17.02 m²
Genoa: 24.4 m²
Spinnaker: 61.96 m²
Asymmetric spinnaker: 0 m²

Design

Type: OHLSON 8:8
Builder: OHLSON
Designer: OHLSON
Year built: 1971

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.

6,45.8,3.65767,52,3.98,60,4.25,75,4.45,90,4.51,110,4.67,120,4.54,135,4.07,148,3.584702,150,3.51
8,43.5,4.287441,52,4.74,60,5.02,75,5.26,90,5.48,110,5.68,120,5.57,135,5.08,150,4.45,152,4.360395
10,42.4,4.753165,52,5.35,60,5.65,75,5.88,90,6.14,110,6.27,120,6.22,135,5.94,150,5.31,151,5.259429
12,42.8,5.260792,52,5.81,60,6.04,75,6.21,90,6.43,110,6.59,120,6.56,135,6.37,150,6.01,158,5.705449
14,42.4,5.565672,52,6.07,60,6.25,75,6.41,90,6.54,110,6.88,120,6.87,135,6.68,150,6.38,178,5.883584
16,41.8,5.660813,52,6.19,60,6.38,75,6.57,90,6.65,110,7.13,120,7.19,135,6.99,150,6.66,180,6.28
20,42.4,5.660464,52,6.21,60,6.44,75,6.79,90,6.99,110,7.39,120,7.68,135,7.63,150,7.26,180,6.83

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.98	4.25	4.45	4.51	4.67	4.54	4.07	3.51
8	4.74	5.02	5.26	5.48	5.68	5.57	5.08	4.45
10	5.35	5.65	5.88	6.14	6.27	6.22	5.94	5.31
12	5.81	6.04	6.21	6.43	6.59	6.56	6.37	6.01
14	6.07	6.25	6.41	6.54	6.88	6.87	6.68	6.38
16	6.19	6.38	6.57	6.65	7.13	7.19	6.99	6.66
20	6.21	6.44	6.79	6.99	7.39	7.68	7.63	7.26

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.8°	2.55	148°	3.04
8	43.5°	3.11	152°	3.85
10	42.4°	3.51	151°	4.6
12	42.8°	3.86	158°	5.29
14	42.4°	4.11	178°	5.88
16	41.8°	4.22	180°	6.28
20	42.4°	4.18	180°	6.83

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