PLUMA HIERRO — ORC Rating

GPH

728.9

OSN

705.6

LOA

8.43 m

Displacement

2821 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.547

Medium

0.7578

High

0.8821

Triple Offshore

Low

0.7081

Medium

0.9344

High

1.0556

Boat Specifications

Dimensions

Length overall: 8.43 m
Beam: 3.02 m
Draft: 1.6 m
Displacement: 2821 kg
Crew weight: 400 kg
Wetted surface: 17.31 m²

Sails

Mainsail: 20.3 m²
Genoa: 24.01 m²
Spinnaker: 49.11 m²
Asymmetric spinnaker: 49.11 m²

Design

Type: FIRST 285 Q.B.
Builder: Beneteau
Designer: Finot
Year built: 1986
Stability index: 129.8

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.

6,44.5,3.981771,52,4.4,60,4.67,75,4.87,90,4.8,110,4.82,120,4.64,135,4.19,145.7,3.764685,150,3.59
8,42.9,4.709622,52,5.25,60,5.55,75,5.77,90,5.81,110,5.87,120,5.7,135,5.2,146.6,4.695466,150,4.52
10,42.4,5.308378,52,5.85,60,6.06,75,6.21,90,6.34,110,6.4,120,6.31,135,6.02,150,5.39,152.3,5.27449
12,40.5,5.628572,52,6.16,60,6.32,75,6.46,90,6.66,110,6.75,120,6.68,135,6.45,150,6.09,159.5,5.743738
14,40,5.796008,52,6.33,60,6.49,75,6.68,90,6.92,110,7.11,120,7.05,135,6.78,150,6.46,173.9,5.983881
16,39.6,5.853241,52,6.4,60,6.6,75,6.87,90,7.06,110,7.47,120,7.43,135,7.15,150,6.78,179,6.360969
20,40.5,5.89159,52,6.43,60,6.66,75,7.1,90,7.43,110,8.01,120,8.18,135,7.9,150,7.47,178.4,6.972719

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.4	4.67	4.87	4.8	4.82	4.64	4.19	3.59
8	5.25	5.55	5.77	5.81	5.87	5.7	5.2	4.52
10	5.85	6.06	6.21	6.34	6.4	6.31	6.02	5.39
12	6.16	6.32	6.46	6.66	6.75	6.68	6.45	6.09
14	6.33	6.49	6.68	6.92	7.11	7.05	6.78	6.46
16	6.4	6.6	6.87	7.06	7.47	7.43	7.15	6.78
20	6.43	6.66	7.1	7.43	8.01	8.18	7.9	7.47

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.5°	2.84	145.7°	3.11
8	42.9°	3.45	146.6°	3.92
10	42.4°	3.92	152.3°	4.67
12	40.5°	4.28	159.5°	5.38
14	40°	4.44	173.9°	5.95
16	39.6°	4.51	179°	6.36
20	40.5°	4.48	178.4°	6.97

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