JENNABEE — ORC Rating

GPH

712.2

OSN

688.5

LOA

10.49 m

Displacement

5301 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5554

Medium

0.7749

High

0.9106

Triple Offshore

Low

0.7212

Medium

0.9586

High

1.0833

Boat Specifications

Dimensions

Length overall: 10.49 m
Beam: 3.25 m
Draft: 1.8 m
Displacement: 5301 kg
Crew weight: 530 kg
Wetted surface: 24.76 m²

Sails

Mainsail: 30.79 m²
Genoa: 28.21 m²
Spinnaker: 72.31 m²
Asymmetric spinnaker: 66.78 m²

Design

Type: Stadt 34
Builder: Henry Vink
Designer: van der Stadt
Year built: 1986
Stability index: 115.9

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.

6,44.8,4.030606,52,4.43,60,4.71,75,4.89,90,5.01,110,5,120,4.81,135,4.28,145.1,3.840752,150,3.64
8,43,4.799319,52,5.32,60,5.58,75,5.78,90,6.01,110,6.04,120,5.87,135,5.35,146.6,4.815249,150,4.65
10,41.4,5.319212,52,5.93,60,6.16,75,6.34,90,6.58,110,6.64,120,6.55,135,6.2,150,5.55,152,5.447662
12,40.6,5.702836,52,6.31,60,6.5,75,6.66,90,6.89,110,6.98,120,6.94,135,6.7,150,6.28,159.5,5.914556
14,40,5.926549,52,6.52,60,6.69,75,6.86,90,7.1,110,7.26,120,7.22,135,7.04,150,6.73,173,6.18611
16,39.4,5.991716,52,6.62,60,6.8,75,7.01,90,7.24,110,7.53,120,7.51,135,7.33,150,7.04,178.1,6.603631
20,39.4,6.04348,52,6.69,60,6.89,75,7.19,90,7.41,110,8.04,120,8.17,135,7.98,150,7.6,179,7.191095

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.43	4.71	4.89	5.01	5	4.81	4.28	3.64
8	5.32	5.58	5.78	6.01	6.04	5.87	5.35	4.65
10	5.93	6.16	6.34	6.58	6.64	6.55	6.2	5.55
12	6.31	6.5	6.66	6.89	6.98	6.94	6.7	6.28
14	6.52	6.69	6.86	7.1	7.26	7.22	7.04	6.73
16	6.62	6.8	7.01	7.24	7.53	7.51	7.33	7.04
20	6.69	6.89	7.19	7.41	8.04	8.17	7.98	7.6

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.8°	2.86	145.1°	3.15
8	43°	3.51	146.6°	4.02
10	41.4°	3.99	152°	4.81
12	40.6°	4.33	159.5°	5.54
14	40°	4.54	173°	6.14
16	39.4°	4.63	178.1°	6.6
20	39.4°	4.67	179°	7.19

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