PHAEDRA — ORC Rating | RegattaPages

GPH

719.7

OSN

697.7

LOA

9.08 m

Displacement

3500 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5538

Medium

0.7621

High

0.8767

Triple Offshore

Low

0.7195

Medium

0.9463

High

1.0593

Boat Specifications

Dimensions

Length overall: 9.08 m
Beam: 3.3 m
Draft: 1.38 m
Displacement: 3500 kg
Crew weight: 400 kg
Wetted surface: 19.01 m²

Sails

Mainsail: 22.2 m²
Genoa: 25.5 m²
Spinnaker: 54.16 m²
Asymmetric spinnaker: 58.09 m²

Design

Type: GIBSEA 312 (SK)
Builder: GIBSEA
Designer: HUMPHREYS
Year built: 1991
Stability index: 113.3

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.

6,45.4,3.959251,52,4.37,60,4.68,75,4.89,90,4.94,110,5.02,120,4.85,135,4.41,145.1,3.974874,150,3.76
8,43.6,4.681209,52,5.22,60,5.56,75,5.8,90,5.96,110,6.08,120,5.93,135,5.45,149.6,4.776736,150,4.76
10,43.5,5.307604,52,5.86,60,6.12,75,6.31,90,6.51,110,6.61,120,6.54,135,6.26,150,5.63,152,5.526942
12,42.4,5.687548,52,6.22,60,6.42,75,6.58,90,6.79,110,6.95,120,6.91,135,6.68,150,6.3,159.2,5.947633
14,41.8,5.821784,52,6.39,60,6.59,75,6.79,90,6.94,110,7.3,120,7.29,135,7.03,150,6.68,173.6,6.178505
16,41.7,5.879689,52,6.45,60,6.67,75,6.96,90,7.09,110,7.61,120,7.66,135,7.41,150,7,179,6.550998
20,42.9,5.883614,52,6.45,60,6.7,75,7.14,90,7.5,110,7.97,120,8.31,135,8.18,150,7.72,179,7.181094

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.37	4.68	4.89	4.94	5.02	4.85	4.41	3.76
8	5.22	5.56	5.8	5.96	6.08	5.93	5.45	4.76
10	5.86	6.12	6.31	6.51	6.61	6.54	6.26	5.63
12	6.22	6.42	6.58	6.79	6.95	6.91	6.68	6.3
14	6.39	6.59	6.79	6.94	7.3	7.29	7.03	6.68
16	6.45	6.67	6.96	7.09	7.61	7.66	7.41	7
20	6.45	6.7	7.14	7.5	7.97	8.31	8.18	7.72

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	45.4°	2.78	145.1°	3.26
8	43.6°	3.39	149.6°	4.12
10	43.5°	3.85	152°	4.88
12	42.4°	4.2	159.2°	5.56
14	41.8°	4.34	173.6°	6.14
16	41.7°	4.39	179°	6.55
20	42.9°	4.31	179°	7.18

Loading polar chart…