S4 GRANBLAU — ORC Rating

GPH

668.2

OSN

649.7

LOA

9.808 m

Displacement

5352 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6106

Medium

0.8144

High

0.9235

Triple Offshore

Low

0.7871

Medium

1.0138

High

1.1229

Boat Specifications

Dimensions

Length overall: 9.808 m
Beam: 3.24 m
Draft: 1.55 m
Displacement: 5352 kg
Crew weight: 400 kg
Wetted surface: 24.79 m²

Sails

Mainsail: 33.53 m²
Genoa: 25.55 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 72.94 m²

Design

Type: DEHLER 32 SD
Builder: DEHLER
Designer: Judel Vrolijk & Co
Year built: 2010
Stability index: 121.9

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.

6,43.6,4.432649,52,4.9,60,5.17,75,5.35,90,5.35,110,5.39,120,5.2,135,4.66,144.2,4.216684,150,3.94
8,41.2,5.17002,52,5.78,60,6.04,75,6.23,90,6.34,110,6.45,120,6.29,135,5.78,147.3,5.157391,150,5.02
10,40.2,5.682145,52,6.37,60,6.59,75,6.77,90,6.91,110,7.05,120,6.97,135,6.62,147.5,6.047014,150,5.89
12,40.2,5.996365,52,6.66,60,6.88,75,7.07,90,7.17,110,7.42,120,7.38,135,7.13,148.4,6.645322,150,6.53
14,39.9,6.113416,52,6.79,60,7.02,75,7.27,90,7.36,110,7.73,120,7.74,135,7.51,150,6.95,167.6,6.184265
16,39.6,6.164722,52,6.86,60,7.09,75,7.4,90,7.57,110,7.97,120,8.1,135,7.89,150,7.26,174.8,6.617234
20,40,6.200685,52,6.9,60,7.15,75,7.53,90,7.89,110,8.3,120,8.68,135,8.65,150,7.84,177.2,7.308726

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.9	5.17	5.35	5.35	5.39	5.2	4.66	3.94
8	5.78	6.04	6.23	6.34	6.45	6.29	5.78	5.02
10	6.37	6.59	6.77	6.91	7.05	6.97	6.62	5.89
12	6.66	6.88	7.07	7.17	7.42	7.38	7.13	6.53
14	6.79	7.02	7.27	7.36	7.73	7.74	7.51	6.95
16	6.86	7.09	7.4	7.57	7.97	8.1	7.89	7.26
20	6.9	7.15	7.53	7.89	8.3	8.68	8.65	7.84

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.6°	3.21	144.2°	3.42
8	41.2°	3.89	147.3°	4.34
10	40.2°	4.34	147.5°	5.1
12	40.2°	4.58	148.4°	5.66
14	39.9°	4.69	167.6°	6.04
16	39.6°	4.75	174.8°	6.59
20	40°	4.75	177.2°	7.3

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