Fast Four: ORC Rating

GPH

620.7

OSN

601.6

LOA

10.657 m

Displacement

3819 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7155

Medium

0.9977

High

1.1561

Triple Offshore

Low

0.9316

Medium

1.2366

High

1.4035

Boat Specifications

Dimensions

Length overall: 10.657 m
Beam: 3.2 m
Draft: 1.99 m
Displacement: 3819 kg
Crew weight: 550 kg
Wetted surface: 25.53 m²

Sails

Mainsail: 37.36 m²
Genoa: 24.25 m²
Spinnaker: 75 m²
Asymmetric spinnaker: 0 m²

Design

Type: FF 35 S
Builder: F&F Boats
Designer: Jac. de Ridder
Year built: 1992

Performance data

Polar CSV

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

6,42.7,4.612781,52,5.16,60,5.45,75,5.68,90,5.66,110,5.67,120,5.48,135,4.87,136.9,4.766064,150,4.01
8,41.2,5.542155,52,6.25,60,6.54,75,6.75,90,6.87,110,6.91,120,6.73,135,6.08,148.9,5.161941,150,5.11
10,40.3,6.267469,52,6.96,60,7.16,75,7.31,90,7.45,110,7.55,120,7.43,135,7.05,146.9,6.386392,150,6.17
12,38.9,6.501824,52,7.22,60,7.43,75,7.65,90,7.7,110,8.08,120,7.97,135,7.58,150,7.07,155.6,6.786111
14,38.4,6.584207,52,7.32,60,7.55,75,7.92,90,8.06,110,8.57,120,8.59,135,8.1,150,7.56,170.9,6.906932
16,38.3,6.626091,52,7.36,60,7.61,75,8.06,90,8.44,110,8.89,120,9.24,135,8.73,150,8.03,180,7.36
20,38.5,6.746671,52,7.48,60,7.73,75,8.18,90,8.87,110,9.49,120,10.12,135,10.3,150,9.23,180,8.28

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.16	5.45	5.68	5.66	5.67	5.48	4.87	4.01
8	6.25	6.54	6.75	6.87	6.91	6.73	6.08	5.11
10	6.96	7.16	7.31	7.45	7.55	7.43	7.05	6.17
12	7.22	7.43	7.65	7.7	8.08	7.97	7.58	7.07
14	7.32	7.55	7.92	8.06	8.57	8.59	8.1	7.56
16	7.36	7.61	8.06	8.44	8.89	9.24	8.73	8.03
20	7.48	7.73	8.18	8.87	9.49	10.12	10.3	9.23

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.7°	3.39	136.9°	3.48
8	41.2°	4.17	148.9°	4.42
10	40.3°	4.78	146.9°	5.35
12	38.9°	5.06	155.6°	6.18
14	38.4°	5.16	170.9°	6.82
16	38.3°	5.2	180°	7.36
20	38.5°	5.28	180°	8.28

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°	5.16	6.25	6.96	7.22	7.32	7.36	7.48
60°	5.45	6.54	7.16	7.43	7.55	7.61	7.73
75°	5.68	6.75	7.31	7.65	7.92	8.06	8.18
90°	5.66	6.87	7.45	7.70	8.06	8.44	8.87
110°	5.67	6.91	7.55	8.08	8.57	8.89	9.49
120°	5.48	6.73	7.43	7.97	8.59	9.24	10.12
135°	4.87	6.08	7.05	7.58	8.10	8.73	10.30
150°	4.01	5.11	6.17	7.07	7.56	8.03	9.23