Silky: ORC Rating

GPH

553.9

OSN

538.7

LOA

11.33 m

Displacement

4080 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.818

Medium

1.1053

High

1.2821

Triple Offshore

Low

1.0638

Medium

1.3717

High

1.5734

Boat Specifications

Dimensions

Length overall: 11.33 m
Beam: 3.43 m
Draft: 2.67 m
Displacement: 4080 kg
Crew weight: 714 kg
Wetted surface: 27.41 m²

Sails

Mainsail: 49.2 m²
Genoa: 29.31 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 140.49 m²

Design

Type: RP 37 MK 2
Builder: Windsong Yachts
Designer: Reichel Pugh
Year built: 2004

Performance data

Polar CSV

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

6,42.9,5.160107,52,5.8,60,6.19,75,6.56,90,6.56,110,6.65,120,6.44,135,5.67,142.4,5.187497,150,4.74
8,41.9,6.220513,52,7,60,7.32,75,7.54,90,7.6,110,7.75,120,7.64,135,7.13,144.1,6.394733,150,5.99
10,39.7,6.849497,52,7.59,60,7.81,75,8.04,90,8.02,110,8.36,120,8.35,135,7.88,148.8,7.178228,150,7.09
12,38.1,7.065386,52,7.82,60,8.1,75,8.55,90,8.58,110,8.79,120,9.09,135,8.57,150,7.82,151.9,7.674633
14,37.1,7.159121,52,7.95,60,8.29,75,8.92,90,9.21,110,9.23,120,9.59,135,9.42,148.5,8.456088,150,8.33
16,36.3,7.233894,52,8.04,60,8.41,75,9.12,90,9.76,110,9.74,120,10.1,135,10.51,145.9,9.43168,150,9.02
20,36,7.342244,52,8.27,60,8.7,75,9.34,90,10.3,110,10.84,120,11.17,135,12.41,140.3,12.646225,150,11.24

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.8	6.19	6.56	6.56	6.65	6.44	5.67	4.74
8	7	7.32	7.54	7.6	7.75	7.64	7.13	5.99
10	7.59	7.81	8.04	8.02	8.36	8.35	7.88	7.09
12	7.82	8.1	8.55	8.58	8.79	9.09	8.57	7.82
14	7.95	8.29	8.92	9.21	9.23	9.59	9.42	8.33
16	8.04	8.41	9.12	9.76	9.74	10.1	10.51	9.02
20	8.27	8.7	9.34	10.3	10.84	11.17	12.41	11.24

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.9°	3.78	142.4°	4.11
8	41.9°	4.63	144.1°	5.18
10	39.7°	5.27	148.8°	6.14
12	38.1°	5.56	151.9°	6.77
14	37.1°	5.71	148.5°	7.21
16	36.3°	5.83	145.9°	7.81
20	36°	5.94	140.3°	9.73

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°	5.80	7.00	7.59	7.82	7.95	8.04	8.27
60°	6.19	7.32	7.81	8.10	8.29	8.41	8.70
75°	6.56	7.54	8.04	8.55	8.92	9.12	9.34
90°	6.56	7.60	8.02	8.58	9.21	9.76	10.30
110°	6.65	7.75	8.36	8.79	9.23	9.74	10.84
120°	6.44	7.64	8.35	9.09	9.59	10.10	11.17
135°	5.67	7.13	7.88	8.57	9.42	10.51	12.41
150°	4.74	5.99	7.09	7.82	8.33	9.02	11.24