NEPTUNUS XIII — ORC Rating

GPH

509.6

OSN

497.7

LOA

12.3 m

Displacement

4410 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.9145

Medium

1.1878

High

1.3817

Triple Offshore

Low

1.1822

Medium

1.4768

High

1.6854

Boat Specifications

Dimensions

Length overall: 12.3 m
Beam: 3.8 m
Draft: 2.61 m
Displacement: 4410 kg
Crew weight: 830 kg
Wetted surface: 30.61 m²

Sails

Mainsail: 64.15 m²
Genoa: 40.99 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 186.94 m²

Design

Type: S 40 OD
Builder: M BOATS
Designer: SOTO ACEBAL
Year built: 2008

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.

6,43.2,5.898745,52,6.61,60,7.03,75,7.38,90,7.35,110,7.21,120,7.01,135,6.24,141.9,5.743803,150,5.21
8,41.3,6.934978,52,7.74,60,8.01,75,8.23,90,8.23,110,8.31,120,8.28,135,7.86,141.2,7.365226,150,6.62
10,39.5,7.231496,52,8.05,60,8.32,75,8.75,90,8.89,110,8.84,120,9.09,135,8.7,148.5,7.869674,150,7.75
12,38.6,7.344657,52,8.19,60,8.49,75,9.08,90,9.56,110,9.39,120,9.69,135,9.73,150,8.66,152.1,8.429837
14,38.1,7.484735,52,8.3,60,8.6,75,9.29,90,9.98,110,9.94,120,10.22,135,10.9,148,9.645679,150,9.45
16,38.1,7.61181,52,8.45,60,8.8,75,9.43,90,10.27,110,10.74,120,10.96,135,11.82,145.6,11.113623,150,10.59
20,39,7.694822,52,8.51,60,8.98,75,9.88,90,10.62,110,12.13,120,12.32,135,13.32,145.3,14.194593,150,13.47

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.61	7.03	7.38	7.35	7.21	7.01	6.24	5.21
8	7.74	8.01	8.23	8.23	8.31	8.28	7.86	6.62
10	8.05	8.32	8.75	8.89	8.84	9.09	8.7	7.75
12	8.19	8.49	9.08	9.56	9.39	9.69	9.73	8.66
14	8.3	8.6	9.29	9.98	9.94	10.22	10.9	9.45
16	8.45	8.8	9.43	10.27	10.74	10.96	11.82	10.59
20	8.51	8.98	9.88	10.62	12.13	12.32	13.32	13.47

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.2°	4.3	141.9°	4.52
8	41.3°	5.21	141.2°	5.74
10	39.5°	5.58	148.5°	6.71
12	38.6°	5.74	152.1°	7.45
14	38.1°	5.89	148°	8.18
16	38.1°	5.99	145.6°	9.17
20	39°	5.98	145.3°	11.67

Loading polar chart…