Gera Diena — ORC Rating

GPH

734.7

OSN

713.5

LOA

9.12 m

Displacement

3514 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6252

Medium

0.8443

High

0.9694

Triple Offshore

Low

0.8014

Medium

1.0378

High

1.1568

Boat Specifications

Dimensions

Length overall: 9.12 m
Beam: 2.94 m
Draft: 1.57 m
Displacement: 3514 kg
Crew weight: 380 kg
Wetted surface: 18.41 m²

Sails

Mainsail: 17.89 m²
Genoa: 30.26 m²
Spinnaker: 63.61 m²
Asymmetric spinnaker: 0 m²

Design

Type: Albin Ballad
Builder: Albin Marine/Shipm
Designer: Rolf Magnusson
Year built: 1971

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.

6,43,3.937903,52,4.37,60,4.61,75,4.8,90,4.76,110,4.82,120,4.69,135,4.3,148.1,3.792824,150,3.72
8,41.7,4.580532,52,5.16,60,5.44,75,5.66,90,5.67,110,5.83,120,5.72,135,5.27,150,4.64,151.8,4.561425
10,42.4,5.213585,52,5.76,60,5.97,75,6.12,90,6.21,110,6.33,120,6.28,135,6.04,150,5.48,151.4,5.410128
12,41.4,5.532514,52,6.05,60,6.22,75,6.36,90,6.45,110,6.65,120,6.62,135,6.42,150,6.1,161,5.721728
14,40.9,5.662473,52,6.19,60,6.36,75,6.55,90,6.61,110,6.94,120,6.94,135,6.74,150,6.44,180,5.98
16,40.7,5.724579,52,6.25,60,6.44,75,6.7,90,6.81,110,7.14,120,7.25,135,7.06,150,6.72,180,6.34
20,41.3,5.763619,52,6.28,60,6.49,75,6.86,90,7.14,110,7.4,120,7.66,135,7.68,150,7.33,180,6.9

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.37	4.61	4.8	4.76	4.82	4.69	4.3	3.72
8	5.16	5.44	5.66	5.67	5.83	5.72	5.27	4.64
10	5.76	5.97	6.12	6.21	6.33	6.28	6.04	5.48
12	6.05	6.22	6.36	6.45	6.65	6.62	6.42	6.1
14	6.19	6.36	6.55	6.61	6.94	6.94	6.74	6.44
16	6.25	6.44	6.7	6.81	7.14	7.25	7.06	6.72
20	6.28	6.49	6.86	7.14	7.4	7.66	7.68	7.33

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	2.88	148.1°	3.22
8	41.7°	3.42	151.8°	4.02
10	42.4°	3.85	151.4°	4.75
12	41.4°	4.15	161°	5.41
14	40.9°	4.28	180°	5.98
16	40.7°	4.34	180°	6.34
20	41.3°	4.33	180°	6.9

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