Desidera: ORC Rating

GPH

557.3

OSN

540.5

LOA

14.506 m

Displacement

12375 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.717

Medium

0.9862

High

1.1496

Triple Offshore

Low

0.932

Medium

1.2196

High

1.3736

Boat Specifications

Dimensions

Length overall: 14.506 m
Beam: 4.51 m
Draft: 2.81 m
Displacement: 12375 kg
Crew weight: 1100 kg
Wetted surface: 44.58 m²

Sails

Mainsail: 69.01 m²
Genoa: 50.16 m²
Spinnaker: 151.59 m²
Asymmetric spinnaker: 150.12 m²

Design

Type: First 47.7
Builder: Benetau
Designer: Farr
Year built: 1999
Stability index: 117.3

Performance data

Polar CSV

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

6,43,5.209518,52,5.82,60,6.13,75,6.43,90,6.67,110,6.45,120,6.09,135,5.4,143,4.920893,150,4.54
8,40.8,6.182339,52,6.93,60,7.22,75,7.55,90,7.79,110,7.65,120,7.36,135,6.74,146.6,6.013072,150,5.79
10,39.4,6.871709,52,7.66,60,7.88,75,8.14,90,8.39,110,8.34,120,8.2,135,7.75,148.7,6.951769,150,6.86
12,38.2,7.240504,52,8.05,60,8.25,75,8.42,90,8.75,110,8.78,120,8.71,135,8.39,150,7.69,154.6,7.416958
14,37.5,7.411578,52,8.25,60,8.46,75,8.68,90,8.99,110,9.16,120,9.14,135,8.85,150,8.29,161,7.805241
16,37,7.500293,52,8.35,60,8.58,75,8.88,90,9.16,110,9.52,120,9.56,135,9.29,150,8.73,173.6,8.030044
20,37.2,7.645664,52,8.47,60,8.71,75,9.11,90,9.45,110,10.13,120,10.33,135,10.23,150,9.56,179,8.851348

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.82	6.13	6.43	6.67	6.45	6.09	5.4	4.54
8	6.93	7.22	7.55	7.79	7.65	7.36	6.74	5.79
10	7.66	7.88	8.14	8.39	8.34	8.2	7.75	6.86
12	8.05	8.25	8.42	8.75	8.78	8.71	8.39	7.69
14	8.25	8.46	8.68	8.99	9.16	9.14	8.85	8.29
16	8.35	8.58	8.88	9.16	9.52	9.56	9.29	8.73
20	8.47	8.71	9.11	9.45	10.13	10.33	10.23	9.56

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.81	143°	3.93
8	40.8°	4.68	146.6°	5.02
10	39.4°	5.31	148.7°	5.94
12	38.2°	5.69	154.6°	6.7
14	37.5°	5.88	161°	7.38
16	37°	5.99	173.6°	7.98
20	37.2°	6.09	179°	8.85

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°	5.82	6.93	7.66	8.05	8.25	8.35	8.47
60°	6.13	7.22	7.88	8.25	8.46	8.58	8.71
75°	6.43	7.55	8.14	8.42	8.68	8.88	9.11
90°	6.67	7.79	8.39	8.75	8.99	9.16	9.45
110°	6.45	7.65	8.34	8.78	9.16	9.52	10.13
120°	6.09	7.36	8.20	8.71	9.14	9.56	10.33
135°	5.40	6.74	7.75	8.39	8.85	9.29	10.23
150°	4.54	5.79	6.86	7.69	8.29	8.73	9.56