CHE SPASSO: ORC Rating

GPH

555

OSN

542

LOA

9.96 m

Displacement

1150 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.8348

Medium

1.0741

High

1.2606

Triple Offshore

Low

1.0786

Medium

1.3559

High

1.5709

Boat Specifications

Dimensions

Length overall: 9.96 m
Beam: 2.92 m
Draft: 1.73 m
Displacement: 1150 kg
Crew weight: 500 kg
Wetted surface: 14.34 m²

Sails

Mainsail: 29.63 m²
Genoa: 23.27 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 79.77 m²

Design

Type: ASSO 99
Builder: SANTARELLI
Designer: SANTARELLI
Year built: 1982

Performance data

Polar CSV

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

6,43.7,5.588082,52,6.21,60,6.54,75,6.74,90,6.72,110,6.53,120,6.36,135,5.57,141.6,5.129557,150,4.64
8,40.2,6.323678,52,6.99,60,7.27,75,7.56,90,7.53,110,7.62,120,7.48,135,6.93,144.8,6.265719,150,5.91
10,38.2,6.489731,52,7.28,60,7.63,75,8.13,90,8.36,110,8.44,120,8.52,135,7.89,150,6.92,151.3,6.783362
12,37.6,6.575878,52,7.45,60,7.83,75,8.45,90,9.04,110,9.12,120,9.46,135,8.98,149.7,7.817969,150,7.79
14,37.6,6.613743,52,7.56,60,7.96,75,8.68,90,9.48,110,9.73,120,10.22,135,10.4,145.9,9.12977,150,8.72
16,37.4,6.671579,52,7.63,60,8.02,75,8.84,90,9.81,110,10.66,120,11.02,135,11.74,139.4,11.497866,150,10.08
20,38.3,6.728031,52,7.78,60,8.29,75,9.29,90,10.22,110,12.06,120,12.59,135,14.23,144.1,14.505427,150,13.57

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	6.21	6.54	6.74	6.72	6.53	6.36	5.57	4.64
8	6.99	7.27	7.56	7.53	7.62	7.48	6.93	5.91
10	7.28	7.63	8.13	8.36	8.44	8.52	7.89	6.92
12	7.45	7.83	8.45	9.04	9.12	9.46	8.98	7.79
14	7.56	7.96	8.68	9.48	9.73	10.22	10.4	8.72
16	7.63	8.02	8.84	9.81	10.66	11.02	11.74	10.08
20	7.78	8.29	9.29	10.22	12.06	12.59	14.23	13.57

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.7°	4.04	141.6°	4.02
8	40.2°	4.83	144.8°	5.12
10	38.2°	5.1	151.3°	5.95
12	37.6°	5.21	149.7°	6.75
14	37.6°	5.24	145.9°	7.56
16	37.4°	5.3	139.4°	8.73
20	38.3°	5.28	144.1°	11.75

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°	6.21	6.99	7.28	7.45	7.56	7.63	7.78
60°	6.54	7.27	7.63	7.83	7.96	8.02	8.29
75°	6.74	7.56	8.13	8.45	8.68	8.84	9.29
90°	6.72	7.53	8.36	9.04	9.48	9.81	10.22
110°	6.53	7.62	8.44	9.12	9.73	10.66	12.06
120°	6.36	7.48	8.52	9.46	10.22	11.02	12.59
135°	5.57	6.93	7.89	8.98	10.40	11.74	14.23
150°	4.64	5.91	6.92	7.79	8.72	10.08	13.57