ORLANDO — ORC Rating | RegattaPages

GPH

718.7

OSN

696.3

LOA

9.43 m

Displacement

4108 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5645

Medium

0.7713

High

0.8813

Triple Offshore

Low

0.7279

Medium

0.9449

High

1.0466

Boat Specifications

Dimensions

Length overall: 9.43 m
Beam: 3.1 m
Draft: 1.53 m
Displacement: 4108 kg
Crew weight: 400 kg
Wetted surface: 20.58 m²

Sails

Mainsail: 26.39 m²
Genoa: 24.3 m²
Spinnaker: 53.53 m²
Asymmetric spinnaker: 0 m²

Design

Type: Dehler 31
Builder: Dehler
Designer: Van de Stadt
Year built: 1990
Stability index: 111.1

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.

6,44.2,4.128827,52,4.57,60,4.84,75,5.01,90,4.92,110,4.95,120,4.78,135,4.28,146.9,3.760212,150,3.63
8,42.4,4.875041,52,5.4,60,5.65,75,5.82,90,5.86,110,5.94,120,5.79,135,5.3,150,4.66,151.4,4.601456
10,41.1,5.361195,52,5.93,60,6.11,75,6.27,90,6.38,110,6.46,120,6.39,135,6.07,150,5.51,155,5.296214
12,40.2,5.642868,52,6.2,60,6.36,75,6.52,90,6.64,110,6.78,120,6.73,135,6.51,150,6.15,162.2,5.745017
14,39.6,5.723458,52,6.32,60,6.5,75,6.69,90,6.78,110,7.04,120,7,135,6.82,150,6.54,175.4,6.059518
16,39.6,5.78835,52,6.38,60,6.56,75,6.81,90,6.93,110,7.28,120,7.3,135,7.11,150,6.83,179,6.450983
20,40.1,5.804518,52,6.41,60,6.61,75,6.92,90,7.2,110,7.64,120,7.91,135,7.81,150,7.42,179.3,7.000522

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.57	4.84	5.01	4.92	4.95	4.78	4.28	3.63
8	5.4	5.65	5.82	5.86	5.94	5.79	5.3	4.66
10	5.93	6.11	6.27	6.38	6.46	6.39	6.07	5.51
12	6.2	6.36	6.52	6.64	6.78	6.73	6.51	6.15
14	6.32	6.5	6.69	6.78	7.04	7	6.82	6.54
16	6.38	6.56	6.81	6.93	7.28	7.3	7.11	6.83
20	6.41	6.61	6.92	7.2	7.64	7.91	7.81	7.42

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	2.96	146.9°	3.15
8	42.4°	3.6	151.4°	4.04
10	41.1°	4.04	155°	4.8
12	40.2°	4.31	162.2°	5.47
14	39.6°	4.41	175.4°	6.04
16	39.6°	4.46	179°	6.45
20	40.1°	4.44	179.3°	7

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