ARGO — ORC Rating | RegattaPages

GPH

1024.4

OSN

983.6

LOA

7.7 m

Displacement

4572 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.4204

Medium

0.5944

High

0.7184

Triple Offshore

Low

0.5453

Medium

0.7543

High

0.9002

Boat Specifications

Dimensions

Length overall: 7.7 m
Beam: 2.92 m
Draft: 1.12 m
Displacement: 4572 kg
Crew weight: 230 kg
Wetted surface: 19.09 m²

Sails

Mainsail: 9.69 m²
Genoa: 19.02 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 0 m²

Design

Type: FISHER 25 GRECO
Builder: GRECO YACHTS
Designer: WYATT & FREEMAN
Year built: 1980

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.

6,50.2,2.874507,52,2.98,60,3.3,75,3.52,90,3.47,110,3.29,120,3.11,135,2.75,150,2.42,168.5,2.234866
8,49.4,3.503519,52,3.68,60,3.99,75,4.23,90,4.2,110,4.08,120,3.92,135,3.55,150,3.17,168.9,2.945095
10,48.9,3.909487,52,4.13,60,4.45,75,4.74,90,4.78,110,4.69,120,4.54,135,4.19,150,3.82,169.8,3.586685
12,48.9,4.228939,52,4.45,60,4.82,75,5.2,90,5.35,110,5.25,120,5.08,135,4.71,150,4.36,171,4.130858
14,48.9,4.457119,52,4.71,60,5.16,75,5.56,90,5.75,110,5.68,120,5.56,135,5.21,150,4.84,171.6,4.609449
16,50.1,4.770445,52,4.95,60,5.45,75,5.78,90,5.98,110,5.94,120,5.86,135,5.62,150,5.3,171.5,5.065642
20,52,5.11,52.5,5.174441,60,5.71,75,6.03,90,6.27,110,6.28,120,6.22,135,6.07,150,5.9,174.6,5.755543

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	2.98	3.3	3.52	3.47	3.29	3.11	2.75	2.42
8	3.68	3.99	4.23	4.2	4.08	3.92	3.55	3.17
10	4.13	4.45	4.74	4.78	4.69	4.54	4.19	3.82
12	4.45	4.82	5.2	5.35	5.25	5.08	4.71	4.36
14	4.71	5.16	5.56	5.75	5.68	5.56	5.21	4.84
16	4.95	5.45	5.78	5.98	5.94	5.86	5.62	5.3
20	5.11	5.71	6.03	6.27	6.28	6.22	6.07	5.9

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	50.2°	1.84	168.5°	2.19
8	49.4°	2.28	168.9°	2.89
10	48.9°	2.57	169.8°	3.53
12	48.9°	2.78	171°	4.08
14	48.9°	2.93	171.6°	4.56
16	50.1°	3.06	171.5°	5.01
20	52.5°	3.15	174.6°	5.73

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