Embla — ORC Rating | RegattaPages

GPH

596.5

OSN

578.7

LOA

11.924 m

Displacement

7413 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.679

Medium

0.9268

High

1.0701

Triple Offshore

Low

0.8763

Medium

1.1371

High

1.2716

Boat Specifications

Dimensions

Length overall: 11.924 m
Beam: 3.77 m
Draft: 2.43 m
Displacement: 7413 kg
Crew weight: 800 kg
Wetted surface: 32.09 m²

Sails

Mainsail: 47.8 m²
Genoa: 48.61 m²
Spinnaker: 106.64 m²
Asymmetric spinnaker: 0 m²

Design

Type: First 40.7
Builder: Beneteau
Designer: Bruce Farr
Year built: 1997
Stability index: 122.7

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.

6,42.6,4.985755,52,5.57,60,5.87,75,6.12,90,6.04,110,5.79,120,5.62,135,5.08,144.2,4.56191,150,4.27
8,41.2,5.887709,52,6.62,60,6.9,75,7.09,90,7.07,110,7.03,120,6.87,135,6.27,149.3,5.442795,150,5.41
10,40.2,6.585528,52,7.26,60,7.44,75,7.56,90,7.59,110,7.68,120,7.59,135,7.2,150,6.41,151.1,6.339492
12,38.7,6.829565,52,7.53,60,7.7,75,7.86,90,7.9,110,8.09,120,8.02,135,7.73,150,7.23,155.9,6.934447
14,37.8,6.922692,52,7.64,60,7.83,75,8.08,90,8.19,110,8.47,120,8.45,135,8.12,150,7.72,165.8,7.189678
16,37.8,7.011282,52,7.7,60,7.9,75,8.23,90,8.46,110,8.74,120,8.89,135,8.56,150,8.09,177.2,7.508965
20,37.5,7.07125,52,7.74,60,7.96,75,8.39,90,8.88,110,9.15,120,9.55,135,9.53,150,8.94,179,8.251257

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.57	5.87	6.12	6.04	5.79	5.62	5.08	4.27
8	6.62	6.9	7.09	7.07	7.03	6.87	6.27	5.41
10	7.26	7.44	7.56	7.59	7.68	7.59	7.2	6.41
12	7.53	7.7	7.86	7.9	8.09	8.02	7.73	7.23
14	7.64	7.83	8.08	8.19	8.47	8.45	8.12	7.72
16	7.7	7.9	8.23	8.46	8.74	8.89	8.56	8.09
20	7.74	7.96	8.39	8.88	9.15	9.55	9.53	8.94

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.67	144.2°	3.7
8	41.2°	4.43	149.3°	4.68
10	40.2°	5.03	151.1°	5.55
12	38.7°	5.33	155.9°	6.33
14	37.8°	5.47	165.8°	6.97
16	37.8°	5.54	177.2°	7.5
20	37.5°	5.61	179°	8.25

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