TENDERFOOT: ORC Rating

GPH

771.8

OSN

746.6

LOA

6.505 m

Displacement

921 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.58

Medium

0.8024

High

0.931

Triple Offshore

Low

0.7514

Medium

0.9908

High

1.1393

Boat Specifications

Dimensions

Length overall: 6.505 m
Beam: 2.51 m
Draft: 1.24 m
Displacement: 921 kg
Crew weight: 275 kg
Wetted surface: 11.37 m²

Sails

Mainsail: 13.46 m²
Genoa: 8.86 m²
Spinnaker: 31.33 m²
Asymmetric spinnaker: 0 m²

Design

Type: F & F 65 STD
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.

6,43.3,3.572544,52,3.98,60,4.21,75,4.41,90,4.69,110,4.76,120,4.61,135,4.07,148.2,3.55339,150,3.49
8,42.1,4.258899,52,4.77,60,5.02,75,5.27,90,5.57,110,5.62,120,5.52,135,5.04,150,4.41,152.1,4.333728
10,41.5,4.779989,52,5.33,60,5.53,75,5.76,90,6.03,110,6.09,120,6,135,5.75,150,5.23,153,5.106584
12,40.6,5.162845,52,5.67,60,5.82,75,5.98,90,6.38,110,6.6,120,6.47,135,6.16,150,5.8,170.6,5.301183
14,39,5.327185,52,5.87,60,6.05,75,6.26,90,6.56,110,7.13,120,7.01,135,6.63,150,6.18,180,5.73
16,39.1,5.360504,52,5.94,60,6.19,75,6.57,90,6.75,110,7.56,120,7.66,135,7.15,150,6.62,180,6.09
20,42.1,5.458399,52,5.94,60,6.23,75,6.81,90,7.33,110,8.18,120,8.96,135,8.58,150,7.66,180,6.91

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	3.98	4.21	4.41	4.69	4.76	4.61	4.07	3.49
8	4.77	5.02	5.27	5.57	5.62	5.52	5.04	4.41
10	5.33	5.53	5.76	6.03	6.09	6	5.75	5.23
12	5.67	5.82	5.98	6.38	6.6	6.47	6.16	5.8
14	5.87	6.05	6.26	6.56	7.13	7.01	6.63	6.18
16	5.94	6.19	6.57	6.75	7.56	7.66	7.15	6.62
20	5.94	6.23	6.81	7.33	8.18	8.96	8.58	7.66

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.3°	2.6	148.2°	3.02
8	42.1°	3.16	152.1°	3.83
10	41.5°	3.58	153°	4.55
12	40.6°	3.92	170.6°	5.23
14	39°	4.14	180°	5.73
16	39.1°	4.16	180°	6.09
20	42.1°	4.05	180°	6.91

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°	3.98	4.77	5.33	5.67	5.87	5.94	5.94
60°	4.21	5.02	5.53	5.82	6.05	6.19	6.23
75°	4.41	5.27	5.76	5.98	6.26	6.57	6.81
90°	4.69	5.57	6.03	6.38	6.56	6.75	7.33
110°	4.76	5.62	6.09	6.60	7.13	7.56	8.18
120°	4.61	5.52	6.00	6.47	7.01	7.66	8.96
135°	4.07	5.04	5.75	6.16	6.63	7.15	8.58
150°	3.49	4.41	5.23	5.80	6.18	6.62	7.66