IDEA FISSA — ORC Rating

GPH

791.1

OSN

767.7

LOA

6.67 m

Displacement

1550 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5963

Medium

0.7945

High

0.9052

Triple Offshore

Low

0.7554

Medium

0.9566

High

1.0673

Boat Specifications

Dimensions

Length overall: 6.67 m
Beam: 2.89 m
Draft: 1.45 m
Displacement: 1550 kg
Crew weight: 350 kg
Wetted surface: 11.17 m²

Sails

Mainsail: 11.17 m²
Genoa: 20.05 m²
Spinnaker: 44.5 m²
Asymmetric spinnaker: 41.97 m²

Design

Type: INTRO
Builder: VELMARE
Designer: THOMSON
Year built: 1982

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.

6,41.1,3.702409,52,4.14,60,4.32,75,4.47,90,4.48,110,4.57,120,4.39,135,4,150,3.521837
8,41,4.332792,52,4.83,60,4.99,75,5.1,90,5.24,110,5.3,120,5.24,135,4.9,150,4.34,152.9,4.223709
10,39.9,4.757776,52,5.21,60,5.32,75,5.4,90,5.62,110,5.67,120,5.62,135,5.45,150,5.09,155.5,4.879329
12,38.2,4.988186,52,5.42,60,5.53,75,5.64,90,5.92,110,6.03,120,5.97,135,5.77,150,5.5,180,5.06
14,36.9,5.114516,52,5.59,60,5.72,75,5.86,90,6.16,110,6.33,120,6.29,135,6.1,150,5.8,180,5.44
16,36.5,5.150171,52,5.7,60,5.88,75,6.06,90,6.29,110,6.57,120,6.57,135,6.39,150,6.1,180,5.72
20,37.4,5.173621,52,5.74,60,5.98,75,6.3,90,6.46,110,6.91,120,7.01,135,6.9,150,6.61,180,6.28

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.14	4.32	4.47	4.48	4.57	4.39	4	3.52
8	4.83	4.99	5.1	5.24	5.3	5.24	4.9	4.34
10	5.21	5.32	5.4	5.62	5.67	5.62	5.45	5.09
12	5.42	5.53	5.64	5.92	6.03	5.97	5.77	5.5
14	5.59	5.72	5.86	6.16	6.33	6.29	6.1	5.8
16	5.7	5.88	6.06	6.29	6.57	6.57	6.39	6.1
20	5.74	5.98	6.3	6.46	6.91	7.01	6.9	6.61

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	41.1°	2.79	150°	3.05
8	41°	3.27	152.9°	3.76
10	39.9°	3.65	155.5°	4.44
12	38.2°	3.92	180°	5.06
14	36.9°	4.09	180°	5.44
16	36.5°	4.14	180°	5.72
20	37.4°	4.11	180°	6.28

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