Sindbad: ORC Rating

GPH

578.9

OSN

563.3

LOA

14.02 m

Displacement

3427 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6928

Medium

0.9351

High

1.0934

Triple Offshore

Low

0.904

Medium

1.1697

High

1.331

Boat Specifications

Dimensions

Length overall: 14.02 m
Beam: 1.8 m
Draft: 1.72 m
Displacement: 3427 kg
Crew weight: 400 kg
Wetted surface: 23.23 m²

Sails

Mainsail: 38.3 m²
Genoa: 23.18 m²
Spinnaker: 72.59 m²
Asymmetric spinnaker: 0 m²

Design

Type: 40 Skerry Cruiser
Builder: Bodenseewerf
Designer: Plunder
Year built: 1922
Stability index: 153.2

Performance data

Polar CSV

Each row is TWS followed by TWA and boat-speed pairs. Paste it directly into Offwind or compatible navigation software.

6,44.2,5.188931,52,5.75,60,6.13,75,6.41,90,6.27,110,6.04,120,5.88,135,5.22,140.4,4.879864,150,4.34
8,42.4,6.093801,52,6.84,60,7.21,75,7.51,90,7.46,110,7.38,120,7.3,135,6.7,141.5,6.23556,150,5.63
10,41.7,6.549357,52,7.29,60,7.61,75,7.96,90,8.08,110,7.99,120,8.11,135,7.77,147.3,6.963666,150,6.77
12,40.6,6.756478,52,7.53,60,7.84,75,8.22,90,8.47,110,8.35,120,8.62,135,8.49,150,7.71,152.8,7.53303
14,40,6.905605,52,7.69,60,8,75,8.42,90,8.78,110,8.79,120,9.04,135,9.23,150,8.43,157.7,7.97657
16,39.6,7.008316,52,7.81,60,8.12,75,8.59,90,9.04,110,9.3,120,9.44,135,10,150,9.18,155.9,8.763914
20,39.4,7.117589,52,7.95,60,8.29,75,8.85,90,9.47,110,10.07,120,10.2,135,11.26,150,11.04,150.1,11.027842

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.75	6.13	6.41	6.27	6.04	5.88	5.22	4.34
8	6.84	7.21	7.51	7.46	7.38	7.3	6.7	5.63
10	7.29	7.61	7.96	8.08	7.99	8.11	7.77	6.77
12	7.53	7.84	8.22	8.47	8.35	8.62	8.49	7.71
14	7.69	8	8.42	8.78	8.79	9.04	9.23	8.43
16	7.81	8.12	8.59	9.04	9.3	9.44	10	9.18
20	7.95	8.29	8.85	9.47	10.07	10.2	11.26	11.04

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	44.2°	3.72	140.4°	3.76
8	42.4°	4.5	141.5°	4.88
10	41.7°	4.89	147.3°	5.86
12	40.6°	5.13	152.8°	6.7
14	40°	5.29	157.7°	7.38
16	39.6°	5.4	155.9°	8
20	39.4°	5.5	150.1°	9.56

VPP POLAR · BOAT SPEED BY TWAKT

TRUE WIND ANGLE —

READ AT ANGLE

Hover or tap the chart, or use the slider, to read boat speeds.

True wind speed 6 kt8 kt10 kt12 kt14 kt16 kt20 kt

Data table

Boat speed by true wind angle and true wind speed
TWA	Boat speed in 6 kt (kt)	Boat speed in 8 kt (kt)	Boat speed in 10 kt (kt)	Boat speed in 12 kt (kt)	Boat speed in 14 kt (kt)	Boat speed in 16 kt (kt)	Boat speed in 20 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	5.75	6.84	7.29	7.53	7.69	7.81	7.95
60°	6.13	7.21	7.61	7.84	8.00	8.12	8.29
75°	6.41	7.51	7.96	8.22	8.42	8.59	8.85
90°	6.27	7.46	8.08	8.47	8.78	9.04	9.47
110°	6.04	7.38	7.99	8.35	8.79	9.30	10.07
120°	5.88	7.30	8.11	8.62	9.04	9.44	10.20
135°	5.22	6.70	7.77	8.49	9.23	10.00	11.26
150°	4.34	5.63	6.77	7.71	8.43	9.18	11.04