Karel met de houten poot — ORC Rating

GPH

669.4

OSN

650.3

LOA

12.14 m

Displacement

4700 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6668

Medium

0.9199

High

1.0593

Triple Offshore

Low

0.8698

Medium

1.1459

High

1.2776

Boat Specifications

Dimensions

Length overall: 12.14 m
Beam: 2.71 m
Draft: 1.82 m
Displacement: 4700 kg
Crew weight: 450 kg
Wetted surface: 24.71 m²

Sails

Mainsail: 29.85 m²
Genoa: 26.97 m²
Spinnaker: 62.69 m²
Asymmetric spinnaker: 0 m²

Design

Type: LADY HELMSMAN
Builder: VALLENTUNA BÅTBYGG
Designer: SÖDERGREN
Year built: 1977

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.

6,43.6,4.391223,52,4.88,60,5.16,75,5.4,90,5.32,110,5.29,120,5.09,135,4.51,146,3.884022,150,3.72
8,41.2,5.143439,52,5.81,60,6.12,75,6.38,90,6.35,110,6.47,120,6.28,135,5.62,150,4.78046
10,40.9,5.728624,52,6.46,60,6.71,75,6.91,90,6.97,110,7.1,120,7.01,135,6.63,148.4,5.882167,150,5.79
12,41.4,6.0791,52,6.74,60,6.96,75,7.17,90,7.24,110,7.45,120,7.4,135,7.15,150,6.67,155.2,6.411263
14,41.1,6.197222,52,6.84,60,7.08,75,7.34,90,7.46,110,7.73,120,7.76,135,7.51,150,7.14,171.7,6.538485
16,41.1,6.250304,52,6.89,60,7.13,75,7.46,90,7.66,110,7.92,120,8.14,135,7.9,150,7.48,180,6.99
20,41.3,6.269433,52,6.89,60,7.15,75,7.55,90,7.98,110,8.26,120,8.65,135,8.83,150,8.26,180,7.67

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.88	5.16	5.4	5.32	5.29	5.09	4.51	3.72
8	5.81	6.12	6.38	6.35	6.47	6.28	5.62	4.79
10	6.46	6.71	6.91	6.97	7.1	7.01	6.63	5.79
12	6.74	6.96	7.17	7.24	7.45	7.4	7.15	6.67
14	6.84	7.08	7.34	7.46	7.73	7.76	7.51	7.14
16	6.89	7.13	7.46	7.66	7.92	8.14	7.9	7.48
20	6.89	7.15	7.55	7.98	8.26	8.65	8.83	8.26

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.18	146°	3.22
8	41.2°	3.87	150°	4.14
10	40.9°	4.33	148.4°	5.01
12	41.4°	4.56	155.2°	5.82
14	41.1°	4.67	171.7°	6.47
16	41.1°	4.71	180°	6.99
20	41.3°	4.71	180°	7.67

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