SENZA FRENI DUE — ORC Rating

GPH

586.9

OSN

577.7

LOA

8.5 m

Displacement

1222 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.7222

Medium

0.9016

High

1.0462

Triple Offshore

Low

0.9278

Medium

1.1297

High

1.2847

Boat Specifications

Dimensions

Length overall: 8.5 m
Beam: 2.19 m
Draft: 2 m
Displacement: 1222 kg
Crew weight: 350 kg
Wetted surface: 14.47 m²

Sails

Mainsail: 27.93 m²
Genoa: 17.8 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 72.28 m²

Design

Type: ESSE 850
Builder: PROTEUS YACHTS
Designer: FELCI
Year built: 2004
Stability index: 121

Velocity Prediction

Polar CSV

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

6,43.8,5.458877,52,6.05,60,6.35,75,6.56,90,6.57,110,6.24,120,6.09,135,5.47,143,4.9835,150,4.6
8,40.5,5.931042,52,6.58,60,6.83,75,7.23,90,7.32,110,7.16,120,7.1,135,6.66,146.9,6.064088,150,5.86
10,40,6.135414,52,6.75,60,7.04,75,7.56,90,7.98,110,7.72,120,8,135,7.55,150,6.73,151.8,6.626548
12,39.4,6.198773,52,6.87,60,7.22,75,7.84,90,8.3,110,8.34,120,8.6,135,8.67,148.7,7.618857,150,7.52
14,39.4,6.211714,52,6.88,60,7.35,75,8.01,90,8.6,110,9.18,120,9.2,135,9.94,145.6,8.919985,150,8.5
16,39.6,6.281527,52,6.98,60,7.38,75,8.12,90,8.82,110,9.68,120,9.81,135,10.88,140.8,10.929815,150,9.78
20,40.5,6.325568,52,7.02,60,7.47,75,8.33,90,9.23,110,10.46,120,11.1,135,12.59,146.6,13.679139,150,13.19

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.05	6.35	6.56	6.57	6.24	6.09	5.47	4.6
8	6.58	6.83	7.23	7.32	7.16	7.1	6.66	5.86
10	6.75	7.04	7.56	7.98	7.72	8	7.55	6.73
12	6.87	7.22	7.84	8.3	8.34	8.6	8.67	7.52
14	6.88	7.35	8.01	8.6	9.18	9.2	9.94	8.5
16	6.98	7.38	8.12	8.82	9.68	9.81	10.88	9.78
20	7.02	7.47	8.33	9.23	10.46	11.1	12.59	13.19

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.8°	3.94	143°	3.98
8	40.5°	4.51	146.9°	5.08
10	40°	4.7	151.8°	5.84
12	39.4°	4.79	148.7°	6.51
14	39.4°	4.8	145.6°	7.36
16	39.6°	4.84	140.8°	8.47
20	40.5°	4.81	146.6°	11.42

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