TEMPEST — ORC Rating | RegattaPages

GPH

656.5

OSN

641.4

LOA

9.725 m

Displacement

4011 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6223

Medium

0.8338

High

0.9422

Triple Offshore

Low

0.8073

Medium

1.0277

High

1.1381

Boat Specifications

Dimensions

Length overall: 9.725 m
Beam: 3.25 m
Draft: 1.56 m
Displacement: 4011 kg
Crew weight: 533 kg
Wetted surface: 21.63 m²

Sails

Mainsail: 34.41 m²
Genoa: 33.27 m²
Spinnaker: 68.29 m²
Asymmetric spinnaker: 0 m²

Design

Type: DELTA 32
Builder: DELTA YACHTS
Designer: NESTOR VOLKER
Year built: 1994

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.

6,43.9,4.56595,52,5.07,60,5.42,75,5.72,90,5.69,110,5.44,120,5.28,135,4.78,146,4.221763,150,4.04
8,43.5,5.417892,52,6.01,60,6.31,75,6.51,90,6.54,110,6.51,120,6.38,135,5.87,150,5.080682
10,42.4,5.971925,52,6.53,60,6.72,75,6.87,90,6.93,110,7.01,120,6.93,135,6.64,150,6,151.5,5.928423
12,41.2,6.126939,52,6.73,60,6.93,75,7.12,90,7.21,110,7.4,120,7.33,135,7.06,150,6.68,160,6.299932
14,41.2,6.233263,52,6.81,60,7.02,75,7.33,90,7.49,110,7.79,120,7.75,135,7.45,150,7.06,180,6.53
16,41.2,6.273135,52,6.85,60,7.07,75,7.45,90,7.75,110,8.11,120,8.17,135,7.87,150,7.42,180,6.95
20,42,6.311018,52,6.85,60,7.09,75,7.56,90,8.1,110,8.49,120,8.9,135,8.78,150,8.22,180,7.66

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.07	5.42	5.72	5.69	5.44	5.28	4.78	4.04
8	6.01	6.31	6.51	6.54	6.51	6.38	5.87	5.08
10	6.53	6.72	6.87	6.93	7.01	6.93	6.64	6
12	6.73	6.93	7.12	7.21	7.4	7.33	7.06	6.68
14	6.81	7.02	7.33	7.49	7.79	7.75	7.45	7.06
16	6.85	7.07	7.45	7.75	8.11	8.17	7.87	7.42
20	6.85	7.09	7.56	8.1	8.49	8.9	8.78	8.22

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.9°	3.29	146°	3.5
8	43.5°	3.93	150°	4.4
10	42.4°	4.41	151.5°	5.21
12	41.2°	4.61	160°	5.92
14	41.2°	4.69	180°	6.53
16	41.2°	4.72	180°	6.95
20	42°	4.69	180°	7.66

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