GLAFKI II — ORC Rating

GPH

694.2

OSN

673.8

LOA

9.5 m

Displacement

2917 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5987

Medium

0.8023

High

0.9079

Triple Offshore

Low

0.7655

Medium

0.9718

High

1.0711

Boat Specifications

Dimensions

Length overall: 9.5 m
Beam: 3.13 m
Draft: 1.8 m
Displacement: 2917 kg
Crew weight: 460 kg
Wetted surface: 17.37 m²

Sails

Mainsail: 26.85 m²
Genoa: 21.65 m²
Spinnaker: 48.66 m²
Asymmetric spinnaker: 0 m²

Design

Type: MISTRAL 31
Builder: MISTRAL YACHTS
Designer: R.HUMPHREYS
Year built: 1979
Stability index: 108.5

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.

6,42.3,4.434643,52,4.94,60,5.16,75,5.27,90,5.15,110,5.09,120,4.91,135,4.41,146.6,3.85699,150,3.71
8,40.2,5.145353,52,5.73,60,5.9,75,6.01,90,6,110,6.03,120,5.89,135,5.39,150,4.73,151.4,4.669794
10,38.7,5.573847,52,6.14,60,6.28,75,6.38,90,6.45,110,6.52,120,6.43,135,6.12,150,5.59,155,5.37345
12,37.6,5.730228,52,6.34,60,6.48,75,6.62,90,6.71,110,6.85,120,6.78,135,6.54,150,6.2,164.6,5.746319
14,37.6,5.818579,52,6.43,60,6.59,75,6.79,90,6.87,110,7.14,120,7.1,135,6.87,150,6.58,177.2,6.107291
16,37.6,5.881687,52,6.48,60,6.65,75,6.9,90,7.05,110,7.4,120,7.43,135,7.21,150,6.89,179,6.490989
20,38.2,5.917108,52,6.52,60,6.71,75,7.02,90,7.32,110,7.77,120,8.09,135,8.02,150,7.55,179,7.081078

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.94	5.16	5.27	5.15	5.09	4.91	4.41	3.71
8	5.73	5.9	6.01	6	6.03	5.89	5.39	4.73
10	6.14	6.28	6.38	6.45	6.52	6.43	6.12	5.59
12	6.34	6.48	6.62	6.71	6.85	6.78	6.54	6.2
14	6.43	6.59	6.79	6.87	7.14	7.1	6.87	6.58
16	6.48	6.65	6.9	7.05	7.4	7.43	7.21	6.89
20	6.52	6.71	7.02	7.32	7.77	8.09	8.02	7.55

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.3°	3.28	146.6°	3.22
8	40.2°	3.93	151.4°	4.1
10	38.7°	4.35	155°	4.87
12	37.6°	4.54	164.6°	5.54
14	37.6°	4.61	177.2°	6.1
16	37.6°	4.66	179°	6.49
20	38.2°	4.65	179°	7.08

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