EXPRESS — ORC Rating | RegattaPages

GPH

625.3

OSN

607.1

LOA

11.294 m

Displacement

4781 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6412

Medium

0.8824

High

1.026

Triple Offshore

Low

0.8324

Medium

1.0855

High

1.2218

Boat Specifications

Dimensions

Length overall: 11.294 m
Beam: 3.58 m
Draft: 2.11 m
Displacement: 4781 kg
Crew weight: 650 kg
Wetted surface: 22.89 m²

Sails

Mainsail: 40.58 m²
Genoa: 30.36 m²
Spinnaker: 63.5 m²
Asymmetric spinnaker: 0 m²

Design

Type: Davidson 36
Builder: ATKINSON
Designer: DAVIDSON
Year built: 1980
Stability index: 109

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.

6,43,4.799319,52,5.36,60,5.67,75,5.91,90,5.82,110,5.55,120,5.33,135,4.75,144.8,4.20978,150,3.98
8,41.7,5.665395,52,6.34,60,6.61,75,6.81,90,6.81,110,6.74,120,6.52,135,5.88,149.3,5.093898,150,5.06
10,40.2,6.297493,52,6.93,60,7.11,75,7.24,90,7.3,110,7.34,120,7.22,135,6.8,150,6.03,152,5.923341
12,38.8,6.556847,52,7.2,60,7.37,75,7.54,90,7.65,110,7.76,120,7.65,135,7.33,150,6.84,157.4,6.499062
14,37.8,6.644266,52,7.32,60,7.53,75,7.79,90,7.92,110,8.18,120,8.08,135,7.73,150,7.33,169.4,6.76545
16,37.5,6.705713,52,7.39,60,7.62,75,7.98,90,8.21,110,8.55,120,8.48,135,8.15,150,7.71,179,7.181094
20,37.2,6.766852,52,7.44,60,7.71,75,8.16,90,8.6,110,9.02,120,9.31,135,8.96,150,8.48,179,7.921206

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.36	5.67	5.91	5.82	5.55	5.33	4.75	3.98
8	6.34	6.61	6.81	6.81	6.74	6.52	5.88	5.06
10	6.93	7.11	7.24	7.3	7.34	7.22	6.8	6.03
12	7.2	7.37	7.54	7.65	7.76	7.65	7.33	6.84
14	7.32	7.53	7.79	7.92	8.18	8.08	7.73	7.33
16	7.39	7.62	7.98	8.21	8.55	8.48	8.15	7.71
20	7.44	7.71	8.16	8.6	9.02	9.31	8.96	8.48

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.51	144.8°	3.44
8	41.7°	4.23	149.3°	4.38
10	40.2°	4.81	152°	5.23
12	38.8°	5.11	157.4°	6
14	37.8°	5.25	169.4°	6.65
16	37.5°	5.32	179°	7.18
20	37.2°	5.39	179°	7.92

Loading polar chart…