Iroquois — ORC Rating

GPH

605.6

OSN

591.1

LOA

14.6 m

Displacement

9400 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6645

Medium

0.8968

High

1.0456

Triple Offshore

Low

0.8661

Medium

1.1185

High

1.2495

Boat Specifications

Dimensions

Length overall: 14.6 m
Beam: 2.57 m
Draft: 2.07 m
Displacement: 9400 kg
Crew weight: 420 kg
Wetted surface: 32.78 m²

Sails

Mainsail: 59.2 m²
Genoa: 57.36 m²
Spinnaker: 123.22 m²
Asymmetric spinnaker: 0 m²

Design

Type: 8 mR
Builder: Minneford Yacht Ya
Designer: Olin Stephens
Year built: 1967
Stability index: 187.7

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.

6,43.6,4.985005,52,5.52,60,5.85,75,6.13,90,6.08,110,5.79,120,5.62,135,4.98,143.4,4.534032,150,4.2
8,43,5.824815,52,6.54,60,6.91,75,7.18,90,7.18,110,7.09,120,6.95,135,6.27,148.7,5.383524,150,5.31
10,43,6.412766,52,7.1,60,7.42,75,7.64,90,7.7,110,7.76,120,7.69,135,7.33,145.6,6.738467,150,6.41
12,42,6.687795,52,7.38,60,7.64,75,7.9,90,8,110,8.09,120,8.11,135,7.85,150,7.34,155,7.083686
14,41.1,6.834196,52,7.53,60,7.77,75,8.05,90,8.24,110,8.29,120,8.48,135,8.24,150,7.84,164,7.334111
16,40.9,6.959021,52,7.63,60,7.86,75,8.16,90,8.43,110,8.47,120,8.72,135,8.65,150,8.21,177.2,7.599072
20,39.7,7.044454,52,7.71,60,7.96,75,8.3,90,8.69,110,8.83,120,9.1,135,9.47,150,8.99,179,8.34127

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.52	5.85	6.13	6.08	5.79	5.62	4.98	4.2
8	6.54	6.91	7.18	7.18	7.09	6.95	6.27	5.31
10	7.1	7.42	7.64	7.7	7.76	7.69	7.33	6.41
12	7.38	7.64	7.9	8	8.09	8.11	7.85	7.34
14	7.53	7.77	8.05	8.24	8.29	8.48	8.24	7.84
16	7.63	7.86	8.16	8.43	8.47	8.72	8.65	8.21
20	7.71	7.96	8.3	8.69	8.83	9.1	9.47	8.99

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.61	143.4°	3.64
8	43°	4.26	148.7°	4.6
10	43°	4.69	145.6°	5.56
12	42°	4.97	155°	6.42
14	41.1°	5.15	164°	7.05
16	40.9°	5.26	177.2°	7.59
20	39.7°	5.42	179°	8.34

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