UPDATE FF — ORC Rating

GPH

625.4

OSN

609.1

LOA

7.99 m

Displacement

1649 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.6625

Medium

0.8637

High

0.9948

Triple Offshore

Low

0.8501

Medium

1.073

High

1.2232

Boat Specifications

Dimensions

Length overall: 7.99 m
Beam: 2.53 m
Draft: 1.98 m
Displacement: 1649 kg
Crew weight: 330 kg
Wetted surface: 15.79 m²

Sails

Mainsail: 25.09 m²
Genoa: 19.32 m²
Spinnaker: 0 m²
Asymmetric spinnaker: 70.82 m²

Design

Type: SEASCAPE 27
Builder: ISSA
Designer: SAM MANUARD
Year built: 2012

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.

6,43,4.826666,52,5.38,60,5.68,75,5.93,90,5.89,110,5.67,120,5.54,135,5,144.1,4.542976,150,4.25
8,40.9,5.596323,52,6.25,60,6.47,75,6.66,90,6.67,110,6.67,120,6.6,135,6.18,147.8,5.495199,150,5.37
10,38.4,5.882402,52,6.56,60,6.8,75,7.14,90,7.24,110,7.35,120,7.34,135,6.96,149.2,6.333241,150,6.28
12,37.5,6.037663,52,6.75,60,6.99,75,7.42,90,7.77,110,7.84,120,8.08,135,7.72,148.8,7.014555,150,6.92
14,37.6,6.159364,52,6.86,60,7.13,75,7.6,90,8.13,110,8.24,120,8.7,135,8.57,146.6,7.821784,150,7.54
16,37.5,6.226734,52,6.95,60,7.25,75,7.78,90,8.36,110,8.75,120,9.18,135,9.51,144.8,8.798929,150,8.3
20,38,6.29433,52,7.04,60,7.38,75,8.02,90,8.74,110,9.93,120,10.14,135,11.7,141.4,11.452035,150,10.34
24,39.1,6.314055,52,7.04,60,7.42,75,8.14,90,9.05,110,10.71,120,11.42,135,13.56,145.7,14.622957,150,13.94

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	5.38	5.68	5.93	5.89	5.67	5.54	5	4.25
8	6.25	6.47	6.66	6.67	6.67	6.6	6.18	5.37
10	6.56	6.8	7.14	7.24	7.35	7.34	6.96	6.28
12	6.75	6.99	7.42	7.77	7.84	8.08	7.72	6.92
14	6.86	7.13	7.6	8.13	8.24	8.7	8.57	7.54
16	6.95	7.25	7.78	8.36	8.75	9.18	9.51	8.3
20	7.04	7.38	8.02	8.74	9.93	10.14	11.7	10.34
24	7.04	7.42	8.14	9.05	10.71	11.42	13.56	13.94

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	43°	3.53	144.1°	3.68
8	40.9°	4.23	147.8°	4.65
10	38.4°	4.61	149.2°	5.44
12	37.5°	4.79	148.8°	6
14	37.6°	4.88	146.6°	6.53
16	37.5°	4.94	144.8°	7.19
20	38°	4.96	141.4°	8.95
24	39.1°	4.9	145.7°	12.08

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