RHIANNON — ORC Rating

GPH

702.6

OSN

679.2

LOA

9.25 m

Displacement

4175 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5818

Medium

0.7924

High

0.9105

Triple Offshore

Low

0.7438

Medium

0.9658

High

1.0774

Boat Specifications

Dimensions

Length overall: 9.25 m
Beam: 3.26 m
Draft: 1.79 m
Displacement: 4175 kg
Crew weight: 502 kg
Wetted surface: 22.47 m²

Sails

Mainsail: 24.25 m²
Genoa: 30.44 m²
Spinnaker: 65.66 m²
Asymmetric spinnaker: 58.69 m²

Design

Type: Jarkan 925
Builder: Jarkan
Designer: Bruce King
Year built: 1984
Stability index: 110.2

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.

6,43,4.211369,52,4.69,60,4.92,75,5.06,90,4.95,110,4.96,120,4.81,135,4.35,146.9,3.855709,150,3.73
8,41.2,4.944081,52,5.52,60,5.74,75,5.88,90,5.89,110,5.96,120,5.82,135,5.38,150,4.75,150.7,4.712928
10,40,5.469657,52,6.04,60,6.21,75,6.34,90,6.44,110,6.52,120,6.44,135,6.14,150,5.59,154.1,5.413771
12,38.8,5.7613,52,6.34,60,6.48,75,6.61,90,6.75,110,6.87,120,6.82,135,6.6,150,6.22,161,5.838066
14,38.2,5.878933,52,6.49,60,6.64,75,6.82,90,6.95,110,7.17,120,7.15,135,6.94,150,6.63,173.6,6.118129
16,38.1,5.947124,52,6.56,60,6.73,75,6.97,90,7.07,110,7.44,120,7.45,135,7.27,150,6.94,178.1,6.503576
20,38.2,5.955283,52,6.6,60,6.8,75,7.13,90,7.39,110,7.85,120,8.04,135,7.93,150,7.56,179,7.111083

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.69	4.92	5.06	4.95	4.96	4.81	4.35	3.73
8	5.52	5.74	5.88	5.89	5.96	5.82	5.38	4.75
10	6.04	6.21	6.34	6.44	6.52	6.44	6.14	5.59
12	6.34	6.48	6.61	6.75	6.87	6.82	6.6	6.22
14	6.49	6.64	6.82	6.95	7.17	7.15	6.94	6.63
16	6.56	6.73	6.97	7.07	7.44	7.45	7.27	6.94
20	6.6	6.8	7.13	7.39	7.85	8.04	7.93	7.56

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.08	146.9°	3.23
8	41.2°	3.72	150.7°	4.11
10	40°	4.19	154.1°	4.87
12	38.8°	4.49	161°	5.52
14	38.2°	4.62	173.6°	6.08
16	38.1°	4.68	178.1°	6.5
20	38.2°	4.68	179°	7.11

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