ERIDA — ORC Rating | RegattaPages

GPH

703.3

OSN

689.1

LOA

9.75 m

Displacement

3665 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6076

Medium

0.7779

High

0.8727

Triple Offshore

Low

0.7762

Medium

0.9485

High

1.031

Boat Specifications

Dimensions

Length overall: 9.75 m
Beam: 2.18 m
Draft: 1.43 m
Displacement: 3665 kg
Crew weight: 405 kg
Wetted surface: 18.25 m²

Sails

Mainsail: 28.03 m²
Genoa: 12.73 m²
Spinnaker: 56.7 m²
Asymmetric spinnaker: 54.35 m²

Design

Type: 30 sqm seefarringcruiser
Builder: Abeking and Rasmussen
Designer: Henry Rasmussen
Year built: 1930

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.

6,42.6,4.483104,52,5,60,5.25,75,5.42,90,5.36,110,5.15,120,4.99,135,4.55,146.2,4.055431,150,3.89
8,41,5.0748,52,5.67,60,5.87,75,6.02,90,6.03,110,6.02,120,5.92,135,5.54,150,4.88,150.7,4.850532
10,40,5.326062,52,5.93,60,6.13,75,6.32,90,6.38,110,6.46,120,6.43,135,6.19,150,5.7,154.2,5.50916
12,39.5,5.456021,52,6.06,60,6.26,75,6.48,90,6.61,110,6.74,120,6.75,135,6.58,150,6.25,162.4,5.854023
14,39.3,5.54378,52,6.14,60,6.33,75,6.58,90,6.76,110,6.92,120,7.01,135,6.88,150,6.6,176.3,6.112741
16,39.3,5.59547,52,6.19,60,6.39,75,6.64,90,6.87,110,7.05,120,7.23,135,7.17,150,6.89,179,6.480987
20,39,5.687477,52,6.3,60,6.5,75,6.78,90,7.01,110,7.26,120,7.51,135,7.7,150,7.45,179.2,7.040686
24,39.5,5.754094,52,6.35,60,6.56,75,6.87,90,7.16,110,7.43,120,7.74,135,8.26,150,8.08,179.1,7.570934

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5	5.25	5.42	5.36	5.15	4.99	4.55	3.89
8	5.67	5.87	6.02	6.03	6.02	5.92	5.54	4.88
10	5.93	6.13	6.32	6.38	6.46	6.43	6.19	5.7
12	6.06	6.26	6.48	6.61	6.74	6.75	6.58	6.25
14	6.14	6.33	6.58	6.76	6.92	7.01	6.88	6.6
16	6.19	6.39	6.64	6.87	7.05	7.23	7.17	6.89
20	6.3	6.5	6.78	7.01	7.26	7.51	7.7	7.45
24	6.35	6.56	6.87	7.16	7.43	7.74	8.26	8.08

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.3	146.2°	3.37
8	41°	3.83	150.7°	4.23
10	40°	4.08	154.2°	4.96
12	39.5°	4.21	162.4°	5.58
14	39.3°	4.29	176.3°	6.1
16	39.3°	4.33	179°	6.48
20	39°	4.42	179.2°	7.04
24	39.5°	4.44	179.1°	7.57

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