Silver Moon Ii — ORC Rating

GPH

691.7

OSN

672.6

LOA

9.834 m

Displacement

2900 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5779

Medium

0.7962

High

0.9118

Triple Offshore

Low

0.7521

Medium

0.983

High

1.0969

Boat Specifications

Dimensions

Length overall: 9.834 m
Beam: 2.57 m
Draft: 1.45 m
Displacement: 2900 kg
Crew weight: 430 kg
Wetted surface: 18.01 m²

Sails

Mainsail: 24.45 m²
Genoa: 21.92 m²
Spinnaker: 49.28 m²
Asymmetric spinnaker: 0 m²

Design

Type: H-323
Builder: Artekno
Designer: Hans Groop
Year built: 1985

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.

6,43.1,4.21824,52,4.75,60,5.06,75,5.28,90,5.2,110,5.14,120,4.95,135,4.36,147,3.791715,150,3.67
8,42,5.01921,52,5.66,60,5.94,75,6.15,90,6.15,110,6.22,120,6.05,135,5.43,150,4.68,151,4.630584
10,41.4,5.639165,52,6.23,60,6.42,75,6.57,90,6.66,110,6.74,120,6.65,135,6.34,150,5.623392
12,40.5,5.878439,52,6.46,60,6.64,75,6.82,90,6.92,110,7.11,120,7.03,135,6.77,150,6.38,159.5,6.010641
14,39.8,5.935309,52,6.55,60,6.74,75,7.01,90,7.13,110,7.49,120,7.45,135,7.14,150,6.78,180,6.25
16,39.8,5.987373,52,6.58,60,6.79,75,7.13,90,7.38,110,7.78,120,7.87,135,7.57,150,7.12,180,6.67
20,40.1,5.961397,52,6.58,60,6.81,75,7.22,90,7.71,110,8.16,120,8.59,135,8.52,150,7.93,180,7.36

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.75	5.06	5.28	5.2	5.14	4.95	4.36	3.67
8	5.66	5.94	6.15	6.15	6.22	6.05	5.43	4.68
10	6.23	6.42	6.57	6.66	6.74	6.65	6.34	5.62
12	6.46	6.64	6.82	6.92	7.11	7.03	6.77	6.38
14	6.55	6.74	7.01	7.13	7.49	7.45	7.14	6.78
16	6.58	6.79	7.13	7.38	7.78	7.87	7.57	7.12
20	6.58	6.81	7.22	7.71	8.16	8.59	8.52	7.93

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.08	147°	3.18
8	42°	3.73	151°	4.05
10	41.4°	4.23	150°	4.87
12	40.5°	4.47	159.5°	5.63
14	39.8°	4.56	180°	6.25
16	39.8°	4.6	180°	6.67
20	40.1°	4.56	180°	7.36

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