SHEDSEA — ORC Rating | RegattaPages

GPH

802.9

OSN

776.6

LOA

7.8 m

Displacement

2139 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5642

Medium

0.7796

High

0.8996

Triple Offshore

Low

0.7254

Medium

0.9533

High

1.0704

Boat Specifications

Dimensions

Length overall: 7.8 m
Beam: 2.63 m
Draft: 1.47 m
Displacement: 2139 kg
Crew weight: 350 kg
Wetted surface: 14.05 m²

Sails

Mainsail: 13.93 m²
Genoa: 22.73 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: SCIACCHETRA'
Builder: BARBERIS
Designer: HARLE'
Year built: 1976

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.

6,42.3,3.758631,52,4.21,60,4.42,75,4.6,90,4.56,110,4.22,120,3.99,135,3.55,150,3.03,166.9,2.720806
8,41.6,4.399583,52,4.96,60,5.21,75,5.39,90,5.38,110,5.1,120,4.83,135,4.38,150,3.87,168,3.537298
10,42.2,4.994569,52,5.49,60,5.66,75,5.79,90,5.81,110,5.68,120,5.52,135,5.1,150,4.57,169.3,4.223434
12,40.8,5.27084,52,5.75,60,5.89,75,6.03,90,6.06,110,5.99,120,5.89,135,5.64,150,5.21,169.5,4.851234
14,40.4,5.383839,52,5.87,60,6.04,75,6.22,90,6.31,110,6.25,120,6.16,135,5.94,150,5.67,171.2,5.39349
16,40.3,5.415198,52,5.91,60,6.1,75,6.38,90,6.55,110,6.53,120,6.42,135,6.18,150,5.96,173.9,5.752571
20,41.8,5.446185,52,5.91,60,6.12,75,6.51,90,6.84,110,7.02,120,6.94,135,6.69,150,6.43,174.7,6.246707

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.21	4.42	4.6	4.56	4.22	3.99	3.55	3.03
8	4.96	5.21	5.39	5.38	5.1	4.83	4.38	3.87
10	5.49	5.66	5.79	5.81	5.68	5.52	5.1	4.57
12	5.75	5.89	6.03	6.06	5.99	5.89	5.64	5.21
14	5.87	6.04	6.22	6.31	6.25	6.16	5.94	5.67
16	5.91	6.1	6.38	6.55	6.53	6.42	6.18	5.96
20	5.91	6.12	6.51	6.84	7.02	6.94	6.69	6.43

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	2.78	166.9°	2.65
8	41.6°	3.29	168°	3.46
10	42.2°	3.7	169.3°	4.15
12	40.8°	3.99	169.5°	4.77
14	40.4°	4.1	171.2°	5.33
16	40.3°	4.13	173.9°	5.72
20	41.8°	4.06	174.7°	6.22

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