SKUMPA — ORC Rating | RegattaPages

GPH

694.8

OSN

673.8

LOA

10.1 m

Displacement

4327 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6476

Medium

0.8903

High

1.0409

Triple Offshore

Low

0.8387

Medium

1.1008

High

1.2444

Boat Specifications

Dimensions

Length overall: 10.1 m
Beam: 3.41 m
Draft: 1.77 m
Displacement: 4327 kg
Crew weight: 526 kg
Wetted surface: 22.41 m²

Sails

Mainsail: 30.15 m²
Genoa: 21.96 m²
Spinnaker: 62.96 m²
Asymmetric spinnaker: 0 m²

Design

Type: DEHLER Optima 101
Builder: Dehler
Designer: Van de Stadt
Year built: 1981

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.

6,44.4,4.128919,52,4.56,60,4.84,75,5.05,90,5.12,110,5.16,120,4.99,135,4.51,146.8,3.979615,150,3.84
8,42.7,4.8441,52,5.41,60,5.73,75,5.98,90,6.15,110,6.23,120,6.07,135,5.53,150,4.85,151.1,4.797453
10,42,5.4229,52,6.06,60,6.31,75,6.49,90,6.7,110,6.77,120,6.69,135,6.36,150,5.71,152.8,5.576691
12,41.3,5.883417,52,6.44,60,6.61,75,6.77,90,7,110,7.12,120,7.05,135,6.81,150,6.42,159.1,6.058631
14,39.9,6.048241,52,6.63,60,6.8,75,6.98,90,7.17,110,7.47,120,7.4,135,7.14,150,6.81,180,6.29
16,39.9,6.139486,52,6.72,60,6.92,75,7.16,90,7.29,110,7.79,120,7.76,135,7.5,150,7.13,180,6.72
20,40.7,6.186239,52,6.76,60,6.99,75,7.42,90,7.72,110,8.15,120,8.42,135,8.23,150,7.8,180,7.33

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.56	4.84	5.05	5.12	5.16	4.99	4.51	3.84
8	5.41	5.73	5.98	6.15	6.23	6.07	5.53	4.85
10	6.06	6.31	6.49	6.7	6.77	6.69	6.36	5.71
12	6.44	6.61	6.77	7	7.12	7.05	6.81	6.42
14	6.63	6.8	6.98	7.17	7.47	7.4	7.14	6.81
16	6.72	6.92	7.16	7.29	7.79	7.76	7.5	7.13
20	6.76	6.99	7.42	7.72	8.15	8.42	8.23	7.8

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.4°	2.95	146.8°	3.33
8	42.7°	3.56	151.1°	4.2
10	42°	4.03	152.8°	4.96
12	41.3°	4.42	159.1°	5.66
14	39.9°	4.64	180°	6.29
16	39.9°	4.71	180°	6.72
20	40.7°	4.69	180°	7.33

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