Siiri — ORC Rating | RegattaPages

GPH

700

OSN

678.4

LOA

9.85 m

Displacement

2900 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5655

Medium

0.7878

High

0.9096

Triple Offshore

Low

0.7373

Medium

0.9742

High

1.0925

Boat Specifications

Dimensions

Length overall: 9.85 m
Beam: 2.57 m
Draft: 1.45 m
Displacement: 2900 kg
Crew weight: 430 kg
Wetted surface: 17.81 m²

Sails

Mainsail: 24.45 m²
Genoa: 20.03 m²
Spinnaker: 45.67 m²
Asymmetric spinnaker: 0 m²

Design

Type: H 323
Designer: Hans Groop
Year built: 1988
Stability index: 121.2

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.

6,44.2,4.170673,52,4.62,60,4.92,75,5.14,90,5.08,110,5.07,120,4.88,135,4.32,146,3.775462,150,3.61
8,42.6,4.945,52,5.53,60,5.84,75,6.06,90,6.12,110,6.16,120,5.98,135,5.34,150,4.63,151.4,4.567287
10,41.8,5.566913,52,6.16,60,6.36,75,6.51,90,6.65,110,6.71,120,6.61,135,6.27,150,5.56,150.2,5.542972
12,40.6,5.860883,52,6.43,60,6.61,75,6.78,90,6.93,110,7.08,120,7,135,6.73,150,6.33,158.6,6.003937
14,39.9,5.930926,52,6.54,60,6.73,75,6.98,90,7.09,110,7.47,120,7.4,135,7.09,150,6.74,173,6.236486
16,39.6,5.970047,52,6.58,60,6.79,75,7.13,90,7.35,110,7.79,120,7.82,135,7.52,150,7.09,179,6.621008
20,40.6,6.04527,52,6.6,60,6.82,75,7.24,90,7.71,110,8.16,120,8.58,135,8.45,150,7.9,179,7.311114

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.62	4.92	5.14	5.08	5.07	4.88	4.32	3.61
8	5.53	5.84	6.06	6.12	6.16	5.98	5.34	4.63
10	6.16	6.36	6.51	6.65	6.71	6.61	6.27	5.56
12	6.43	6.61	6.78	6.93	7.08	7	6.73	6.33
14	6.54	6.73	6.98	7.09	7.47	7.4	7.09	6.74
16	6.58	6.79	7.13	7.35	7.79	7.82	7.52	7.09
20	6.6	6.82	7.24	7.71	8.16	8.58	8.45	7.9

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	2.99	146°	3.13
8	42.6°	3.64	151.4°	4.01
10	41.8°	4.15	150.2°	4.81
12	40.6°	4.45	158.6°	5.59
14	39.9°	4.55	173°	6.19
16	39.6°	4.6	179°	6.62
20	40.6°	4.59	179°	7.31

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