JULIA — ORC Rating | RegattaPages

GPH

618

OSN

606.2

LOA

7.99 m

Displacement

1620 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6841

Medium

0.8681

High

0.9825

Triple Offshore

Low

0.8801

Medium

1.0766

High

1.2048

Boat Specifications

Dimensions

Length overall: 7.99 m
Beam: 2.54 m
Draft: 1.97 m
Displacement: 1620 kg
Crew weight: 320 kg
Wetted surface: 16.13 m²

Sails

Mainsail: 27.76 m²
Genoa: 18.38 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 78.5 m²

Design

Type: SEASCAPE 27
Builder: ISSA
Designer: SAM MANUARD
Year built: 2012

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.

6,43.5,5.100814,52,5.69,60,6.02,75,6.28,90,6.3,110,5.91,120,5.77,135,5.14,144,4.659976,150,4.35
8,41.1,5.812384,52,6.41,60,6.62,75,6.84,90,6.85,110,6.78,120,6.71,135,6.33,147.5,5.620166,150,5.47
10,38.6,5.975531,52,6.62,60,6.83,75,7.19,90,7.37,110,7.31,120,7.39,135,6.99,150,6.3624
12,37.9,6.070329,52,6.72,60,6.96,75,7.42,90,7.78,110,7.76,120,8.04,135,7.71,150,6.93,150.2,6.914311
14,38.2,6.133432,52,6.79,60,7.07,75,7.57,90,8.06,110,8.17,120,8.49,135,8.61,146.5,7.794832,150,7.5
16,38.2,6.133432,52,6.79,60,7.13,75,7.69,90,8.25,110,8.79,120,9.03,135,9.66,144.5,8.83167,150,8.3
20,39.6,6.1777,52,6.79,60,7.09,75,7.73,90,8.5,110,9.55,120,9.96,135,11.3,142.1,11.823835,150,10.77

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.69	6.02	6.28	6.3	5.91	5.77	5.14	4.35
8	6.41	6.62	6.84	6.85	6.78	6.71	6.33	5.47
10	6.62	6.83	7.19	7.37	7.31	7.39	6.99	6.36
12	6.72	6.96	7.42	7.78	7.76	8.04	7.71	6.93
14	6.79	7.07	7.57	8.06	8.17	8.49	8.61	7.5
16	6.79	7.13	7.69	8.25	8.79	9.03	9.66	8.3
20	6.79	7.09	7.73	8.5	9.55	9.96	11.3	10.77

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.5°	3.7	144°	3.77
8	41.1°	4.38	147.5°	4.74
10	38.6°	4.67	150°	5.51
12	37.9°	4.79	150.2°	6
14	38.2°	4.82	146.5°	6.5
16	38.2°	4.82	144.5°	7.19
20	39.6°	4.76	142.1°	9.33

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