EVOLUTION — ORC Rating

GPH

459.9

OSN

451.4

LOA

20.729 m

Displacement

11394 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8714

Medium

1.1594

High

1.3404

Triple Offshore

Low

1.148

Medium

1.4653

High

1.6601

Boat Specifications

Dimensions

Length overall: 20.729 m
Beam: 4.58 m
Draft: 2.85 m
Displacement: 11394 kg
Crew weight: 1200 kg
Wetted surface: 53.8 m²

Sails

Mainsail: 95.12 m²
Genoa: 109.73 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 218.26 m²

Design

Type: SANTA CRUZ 70
Builder: BILL LEE YACHTS
Designer: LEE
Year built: 1989
Stability index: 121.7

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.

6,44.2,6.904627,52,7.66,60,8.2,75,8.71,90,8.67,110,7.72,120,7.09,135,6.32,141.2,5.838289,150,5.25
8,42,7.710476,52,8.66,60,9.16,75,9.7,90,9.79,110,9.24,120,8.9,135,8.17,142.4,7.497258,150,6.86
10,40.8,8.137438,52,9.19,60,9.65,75,10.15,90,10.39,110,10.09,120,10.03,135,9.59,144.1,8.863742,150,8.29
12,40.2,8.418478,52,9.5,60,9.92,75,10.45,90,10.84,110,10.76,120,10.84,135,10.54,148.8,9.539795,150,9.43
14,40,8.615688,52,9.69,60,10.1,75,10.68,90,11.2,110,11.42,120,11.53,135,11.49,150,10.33,153.2,10.049454
16,39.9,8.733452,52,9.8,60,10.22,75,10.88,90,11.5,110,12.03,120,12.1,135,12.48,150,11.21,151.4,11.05944
20,40.2,8.79816,52,9.87,60,10.32,75,11.13,90,11.94,110,13.03,120,13.21,135,14.56,147.3,13.689664,150,13.31

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	7.66	8.2	8.71	8.67	7.72	7.09	6.32	5.25
8	8.66	9.16	9.7	9.79	9.24	8.9	8.17	6.86
10	9.19	9.65	10.15	10.39	10.09	10.03	9.59	8.29
12	9.5	9.92	10.45	10.84	10.76	10.84	10.54	9.43
14	9.69	10.1	10.68	11.2	11.42	11.53	11.49	10.33
16	9.8	10.22	10.88	11.5	12.03	12.1	12.48	11.21
20	9.87	10.32	11.13	11.94	13.03	13.21	14.56	13.31

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	4.95	141.2°	4.55
8	42°	5.73	142.4°	5.94
10	40.8°	6.16	144.1°	7.18
12	40.2°	6.43	148.8°	8.16
14	40°	6.6	153.2°	8.97
16	39.9°	6.7	151.4°	9.71
20	40.2°	6.72	147.3°	11.52

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