CALLE STRÖMER — ORC Rating

GPH

772.4

OSN

745.4

LOA

8.8 m

Displacement

3811 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5084

Medium

0.7119

High

0.8439

Triple Offshore

Low

0.6587

Medium

0.8858

High

1.0106

Boat Specifications

Dimensions

Length overall: 8.8 m
Beam: 2.8 m
Draft: 1.58 m
Displacement: 3811 kg
Crew weight: 300 kg
Wetted surface: 19.66 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
Stability index: 143.7

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.

6,45.4,3.588961,52,3.94,60,4.21,75,4.4,90,4.49,110,4.65,120,4.51,135,4.03,147.8,3.568925,150,3.49
8,43.2,4.238866,52,4.72,60,4.99,75,5.22,90,5.47,110,5.67,120,5.55,135,5.05,150,4.44,152,4.360395
10,42.6,4.768393,52,5.33,60,5.63,75,5.85,90,6.14,110,6.27,120,6.21,135,5.93,150,5.32,151.1,5.265776
12,42.9,5.269316,52,5.81,60,6.03,75,6.19,90,6.43,110,6.59,120,6.55,135,6.37,150,6.03,157.7,5.739239
14,42.3,5.583865,52,6.07,60,6.25,75,6.4,90,6.55,110,6.88,120,6.87,135,6.68,150,6.4,171.8,5.92053
16,41.5,5.661216,52,6.2,60,6.38,75,6.57,90,6.65,110,7.13,120,7.19,135,7.01,150,6.69,178.4,6.272446
20,41.8,5.674227,52,6.24,60,6.46,75,6.8,90,7.01,110,7.4,120,7.7,135,7.66,150,7.3,179,6.821039

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.94	4.21	4.4	4.49	4.65	4.51	4.03	3.49
8	4.72	4.99	5.22	5.47	5.67	5.55	5.05	4.44
10	5.33	5.63	5.85	6.14	6.27	6.21	5.93	5.32
12	5.81	6.03	6.19	6.43	6.59	6.55	6.37	6.03
14	6.07	6.25	6.4	6.55	6.88	6.87	6.68	6.4
16	6.2	6.38	6.57	6.65	7.13	7.19	7.01	6.69
20	6.24	6.46	6.8	7.01	7.4	7.7	7.66	7.3

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	2.52	147.8°	3.02
8	43.2°	3.09	152°	3.85
10	42.6°	3.51	151.1°	4.61
12	42.9°	3.86	157.7°	5.31
14	42.3°	4.13	171.8°	5.86
16	41.5°	4.24	178.4°	6.27
20	41.8°	4.23	179°	6.82

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