RAGAZZA: ORC Rating

GPH

683.1

OSN

664.3

LOA

8.473 m

Displacement

1560 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6075

Medium

0.8092

High

0.91

Triple Offshore

Low

0.7807

Medium

0.9851

High

1.0931

Boat Specifications

Dimensions

Length overall: 8.473 m
Beam: 2.95 m
Draft: 1.29 m
Displacement: 1560 kg
Crew weight: 405 kg
Wetted surface: 14.21 m²

Sails

Mainsail: 24.15 m²
Genoa: 13.91 m²
Spinnaker: 48.76 m²
Asymmetric spinnaker: 0 m²

Design

Type: BANNER 28 RACER II
Builder: I.N. FIBERBAADE APS
Designer: IB HAUGE NIELSEN
Year built: 1979

Performance data

Polar CSV

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

6,43.1,4.43737,52,4.91,60,5.15,75,5.3,90,5.34,110,5.36,120,5.2,135,4.69,144.7,4.116953,150,3.88
8,41.2,5.18331,52,5.73,60,5.92,75,6.03,90,6.17,110,6.23,120,6.1,135,5.67,150,4.93,150.3,4.915778
10,39.3,5.59547,52,6.15,60,6.3,75,6.43,90,6.52,110,6.73,120,6.64,135,6.33,150,5.78,155.7,5.529934
12,38.5,5.724448,52,6.3,60,6.47,75,6.69,90,6.77,110,7.1,120,7.1,135,6.79,150,6.38,166.4,5.88501
14,38.5,5.801115,52,6.37,60,6.56,75,6.86,90,7.04,110,7.39,120,7.55,135,7.27,150,6.81,177.7,6.255039
16,38.6,5.847576,52,6.42,60,6.63,75,6.97,90,7.27,110,7.63,120,8.02,135,7.78,150,7.25,178.1,6.653658
20,39.5,5.88369,52,6.47,60,6.71,75,7.11,90,7.58,110,8.13,120,8.88,135,9.66,150,8.3,177.9,7.47502
24,42.5,5.87296,52,6.4,60,6.69,75,7.17,90,7.76,110,8.66,120,9.9,135,12.27,143.2,12.388674,150,11.45

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.91	5.15	5.3	5.34	5.36	5.2	4.69	3.88
8	5.73	5.92	6.03	6.17	6.23	6.1	5.67	4.93
10	6.15	6.3	6.43	6.52	6.73	6.64	6.33	5.78
12	6.3	6.47	6.69	6.77	7.1	7.1	6.79	6.38
14	6.37	6.56	6.86	7.04	7.39	7.55	7.27	6.81
16	6.42	6.63	6.97	7.27	7.63	8.02	7.78	7.25
20	6.47	6.71	7.11	7.58	8.13	8.88	9.66	8.3
24	6.4	6.69	7.17	7.76	8.66	9.9	12.27	11.45

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43.1°	3.24	144.7°	3.36
8	41.2°	3.9	150.3°	4.27
10	39.3°	4.33	155.7°	5.04
12	38.5°	4.48	166.4°	5.72
14	38.5°	4.54	177.7°	6.25
16	38.6°	4.57	178.1°	6.65
20	39.5°	4.54	177.9°	7.47
24	42.5°	4.33	143.2°	9.92

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 kt24 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)	Boat speed in 24 kt (kt)
0°	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
52°	4.91	5.73	6.15	6.30	6.37	6.42	6.47	6.40
60°	5.15	5.92	6.30	6.47	6.56	6.63	6.71	6.69
75°	5.30	6.03	6.43	6.69	6.86	6.97	7.11	7.17
90°	5.34	6.17	6.52	6.77	7.04	7.27	7.58	7.76
110°	5.36	6.23	6.73	7.10	7.39	7.63	8.13	8.66
120°	5.20	6.10	6.64	7.10	7.55	8.02	8.88	9.90
135°	4.69	5.67	6.33	6.79	7.27	7.78	9.66	12.27
150°	3.88	4.93	5.78	6.38	6.81	7.25	8.30	11.45