Whisper: ORC Rating

GPH

665.9

OSN

642.3

LOA

10.45 m

Displacement

5824 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5983

Medium

0.8298

High

0.9697

Triple Offshore

Low

0.7704

Medium

1.0252

High

1.1614

Boat Specifications

Dimensions

Length overall: 10.45 m
Beam: 3.48 m
Draft: 2.15 m
Displacement: 5824 kg
Crew weight: 460 kg
Wetted surface: 27.49 m²

Sails

Mainsail: 29.4 m²
Genoa: 29.74 m²
Spinnaker: 74.53 m²
Asymmetric spinnaker: 0 m²

Design

Type: Sun fast 35
Builder: Jeanneau
Designer: Lombars
Year built: 2003

Performance data

Polar CSV

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

6,43.4,4.335411,52,4.8,60,5.05,75,5.21,90,5.15,110,5.24,120,5.06,135,4.53,145.2,4.030936,150,3.82
8,41,5.11455,52,5.71,60,5.96,75,6.14,90,6.21,110,6.36,120,6.2,135,5.64,149,4.969858,150,4.91
10,39.7,5.679754,52,6.36,60,6.59,75,6.77,90,6.9,110,7.08,120,6.99,135,6.54,150,5.85,152.4,5.721033
12,39.1,6.069225,52,6.77,60,6.97,75,7.14,90,7.27,110,7.5,120,7.45,135,7.15,150,6.62,155.9,6.342883
14,38.8,6.261725,52,6.98,60,7.18,75,7.39,90,7.44,110,7.85,120,7.83,135,7.56,150,7.16,165.1,6.633028
16,38.5,6.337782,52,7.06,60,7.29,75,7.56,90,7.68,110,8.14,120,8.2,135,7.96,150,7.55,175.8,6.968715
20,38.8,6.390039,52,7.12,60,7.36,75,7.75,90,8.08,110,8.5,120,8.86,135,8.78,150,8.3,178.3,7.703391
24,39.9,6.374116,52,7.09,60,7.35,75,7.82,90,8.32,110,8.68,120,9.26,135,9.73,150,9.13,178.1,8.424632

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.8	5.05	5.21	5.15	5.24	5.06	4.53	3.82
8	5.71	5.96	6.14	6.21	6.36	6.2	5.64	4.91
10	6.36	6.59	6.77	6.9	7.08	6.99	6.54	5.85
12	6.77	6.97	7.14	7.27	7.5	7.45	7.15	6.62
14	6.98	7.18	7.39	7.44	7.85	7.83	7.56	7.16
16	7.06	7.29	7.56	7.68	8.14	8.2	7.96	7.55
20	7.12	7.36	7.75	8.08	8.5	8.86	8.78	8.3
24	7.09	7.35	7.82	8.32	8.68	9.26	9.73	9.13

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.4°	3.15	145.2°	3.31
8	41°	3.86	149°	4.26
10	39.7°	4.37	152.4°	5.07
12	39.1°	4.71	155.9°	5.79
14	38.8°	4.88	165.1°	6.41
16	38.5°	4.96	175.8°	6.95
20	38.8°	4.98	178.3°	7.7
24	39.9°	4.89	178.1°	8.42

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	4.80	5.71	6.36	6.77	6.98	7.06	7.12	7.09
60°	5.05	5.96	6.59	6.97	7.18	7.29	7.36	7.35
75°	5.21	6.14	6.77	7.14	7.39	7.56	7.75	7.82
90°	5.15	6.21	6.90	7.27	7.44	7.68	8.08	8.32
110°	5.24	6.36	7.08	7.50	7.85	8.14	8.50	8.68
120°	5.06	6.20	6.99	7.45	7.83	8.20	8.86	9.26
135°	4.53	5.64	6.54	7.15	7.56	7.96	8.78	9.73
150°	3.82	4.91	5.85	6.62	7.16	7.55	8.30	9.13