CALLE STRÖMER — ORC Rating

GPH

772.1

OSN

745.6

LOA

8.66 m

Displacement

3811 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.574

Medium

0.7994

High

0.9537

Triple Offshore

Low

0.7411

Medium

0.9961

High

1.1428

Boat Specifications

Dimensions

Length overall: 8.66 m
Beam: 2.8 m
Draft: 1.58 m
Displacement: 3811 kg
Crew weight: 400 kg
Wetted surface: 20.01 m²

Sails

Mainsail: 17.02 m²
Genoa: 24.4 m²
Spinnaker: 58.5 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.

6,44.4,3.569066,52,3.94,60,4.18,75,4.38,90,4.46,110,4.6,120,4.48,135,4.04,148,3.561119,150,3.48
8,42.8,4.238617,52,4.71,60,4.97,75,5.2,90,5.45,110,5.61,120,5.48,135,5.02,150,4.42,151.7,4.349913
10,42.3,4.759129,52,5.34,60,5.64,75,5.86,90,6.14,110,6.24,120,6.17,135,5.88,150,5.25,152,5.164519
12,42.8,5.28805,52,5.83,60,6.05,75,6.21,90,6.45,110,6.58,120,6.52,135,6.33,150,5.96,158,5.651522
14,41.9,5.589057,52,6.1,60,6.27,75,6.42,90,6.61,110,6.87,120,6.83,135,6.63,150,6.35,180,5.83
16,41.2,5.701641,52,6.23,60,6.41,75,6.59,90,6.69,110,7.15,120,7.15,135,6.94,150,6.62,180,6.25
20,41.5,5.714624,52,6.28,60,6.5,75,6.84,90,7.02,110,7.46,120,7.71,135,7.57,150,7.2,180,6.79

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.94	4.18	4.38	4.46	4.6	4.48	4.04	3.48
8	4.71	4.97	5.2	5.45	5.61	5.48	5.02	4.42
10	5.34	5.64	5.86	6.14	6.24	6.17	5.88	5.25
12	5.83	6.05	6.21	6.45	6.58	6.52	6.33	5.96
14	6.1	6.27	6.42	6.61	6.87	6.83	6.63	6.35
16	6.23	6.41	6.59	6.69	7.15	7.15	6.94	6.62
20	6.28	6.5	6.84	7.02	7.46	7.71	7.57	7.2

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	2.55	148°	3.02
8	42.8°	3.11	151.7°	3.83
10	42.3°	3.52	152°	4.56
12	42.8°	3.88	158°	5.24
14	41.9°	4.16	180°	5.83
16	41.2°	4.29	180°	6.25
20	41.5°	4.28	180°	6.79

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