YPERION — ORC Rating | RegattaPages

GPH

831.9

OSN

811.5

LOA

8.48 m

Displacement

3913 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5337

Medium

0.7154

High

0.8463

Triple Offshore

Low

0.6969

Medium

0.9189

High

1.0506

Boat Specifications

Dimensions

Length overall: 8.48 m
Beam: 2.73 m
Draft: 1.12 m
Displacement: 3913 kg
Crew weight: 400 kg
Wetted surface: 17.62 m²

Sails

Mainsail: 14.85 m²
Genoa: 22.3 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 53.06 m²

Design

Type: CORINTHIAN 28
Builder: DROMOR
Year built: 1972

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.

6,46.7,3.368239,52,3.66,60,3.94,75,4.17,90,4.35,110,4.46,120,4.31,135,3.93,145.4,3.559556,150,3.38
8,45.6,3.987632,52,4.35,60,4.65,75,4.91,90,5.27,110,5.41,120,5.27,135,4.83,145.8,4.413113,150,4.21
10,45.6,4.444995,52,4.86,60,5.23,75,5.56,90,5.96,110,6.05,120,5.97,135,5.65,144.6,5.25071,150,4.94
12,46.8,4.922963,52,5.33,60,5.7,75,5.96,90,6.28,110,6.38,120,6.32,135,6.13,145.9,5.76045,150,5.51
14,47.2,5.327907,52,5.69,60,5.98,75,6.19,90,6.44,110,6.64,120,6.6,135,6.42,150,5.89,174.4,5.174697
16,47.1,5.508866,52,5.86,60,6.13,75,6.35,90,6.53,110,6.9,120,6.88,135,6.67,150,6.17,175.7,5.686005
20,47.5,5.565504,52,5.92,60,6.21,75,6.56,90,6.75,110,7.24,120,7.39,135,7.19,150,6.58,178.1,6.273449

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.66	3.94	4.17	4.35	4.46	4.31	3.93	3.38
8	4.35	4.65	4.91	5.27	5.41	5.27	4.83	4.21
10	4.86	5.23	5.56	5.96	6.05	5.97	5.65	4.94
12	5.33	5.7	5.96	6.28	6.38	6.32	6.13	5.51
14	5.69	5.98	6.19	6.44	6.64	6.6	6.42	5.89
16	5.86	6.13	6.35	6.53	6.9	6.88	6.67	6.17
20	5.92	6.21	6.56	6.75	7.24	7.39	7.19	6.58

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	46.7°	2.31	145.4°	2.93
8	45.6°	2.79	145.8°	3.65
10	45.6°	3.11	144.6°	4.28
12	46.8°	3.37	145.9°	4.77
14	47.2°	3.62	174.4°	5.15
16	47.1°	3.75	175.7°	5.67
20	47.5°	3.76	178.1°	6.27

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