JAY WALKER — ORC Rating

GPH

618.4

OSN

599.8

LOA

10.79 m

Displacement

4870 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6708

Medium

0.8997

High

1.0247

Triple Offshore

Low

0.8581

Medium

1.0909

High

1.21

Boat Specifications

Dimensions

Length overall: 10.79 m
Beam: 3.38 m
Draft: 1.97 m
Displacement: 4870 kg
Crew weight: 430 kg
Wetted surface: 25.01 m²

Sails

Mainsail: 30.37 m²
Genoa: 45.38 m²
Spinnaker: 94.3 m²
Asymmetric spinnaker: 0 m²

Design

Type: J 35
Builder: T&P
Designer: J. JHONSTONE
Year built: 1983
Stability index: 128.1

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.

6,42.6,4.999341,52,5.57,60,5.82,75,5.98,90,5.85,110,5.58,120,5.45,135,4.92,144.2,4.438615,150,4.15
8,40.6,5.834542,52,6.47,60,6.65,75,6.75,90,6.7,110,6.68,120,6.57,135,6.1,148.7,5.360118,150,5.29
10,38.7,6.2914,52,6.92,60,7.06,75,7.16,90,7.15,110,7.25,120,7.2,135,6.9,150,6.26,152,6.149855
12,37.2,6.440436,52,7.13,60,7.28,75,7.42,90,7.45,110,7.63,120,7.63,135,7.39,150,6.95,158.3,6.597552
14,37,6.573712,52,7.23,60,7.4,75,7.62,90,7.71,110,7.95,120,8.01,135,7.81,150,7.39,170,6.803358
16,36.9,6.640117,52,7.29,60,7.48,75,7.76,90,7.93,110,8.2,120,8.38,135,8.23,150,7.79,177.2,7.17857
20,36.9,6.690137,52,7.35,60,7.56,75,7.92,90,8.28,110,8.58,120,9.05,135,9.2,150,8.62,177.2,7.929467

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.57	5.82	5.98	5.85	5.58	5.45	4.92	4.15
8	6.47	6.65	6.75	6.7	6.68	6.57	6.1	5.29
10	6.92	7.06	7.16	7.15	7.25	7.2	6.9	6.26
12	7.13	7.28	7.42	7.45	7.63	7.63	7.39	6.95
14	7.23	7.4	7.62	7.71	7.95	8.01	7.81	7.39
16	7.29	7.48	7.76	7.93	8.2	8.38	8.23	7.79
20	7.35	7.56	7.92	8.28	8.58	9.05	9.2	8.62

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.6°	3.68	144.2°	3.6
8	40.6°	4.43	148.7°	4.58
10	38.7°	4.91	152°	5.43
12	37.2°	5.13	158.3°	6.13
14	37°	5.25	170°	6.7
16	36.9°	5.31	177.2°	7.17
20	36.9°	5.35	177.2°	7.92

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