SHANTARAM — ORC Rating

GPH

759

OSN

738.5

LOA

7.7 m

Displacement

1225 kg

Triple-Number Ratings

Lower is faster

Triple Inshore

Low

0.5628

Medium

0.731

High

0.7997

Triple Offshore

Low

0.7127

Medium

0.8831

High

0.9596

Boat Specifications

Dimensions

Length overall: 7.7 m
Beam: 2.71 m
Draft: 1.43 m
Displacement: 1225 kg
Crew weight: 300 kg
Wetted surface: 11.59 m²

Sails

Mainsail: 15.08 m²
Genoa: 23.41 m²
Spinnaker: 37.84 m²
Asymmetric spinnaker: 0 m²

Design

Type: Comet 770
Builder: Comar Yachts
Designer: Finot
Year built: 1974
Stability index: 110.4

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.

6,42.4,4.143785,52,4.6,60,4.8,75,4.91,90,4.83,110,4.64,120,4.5,135,4.1,148.4,3.604442,150,3.54
8,40.6,4.79407,52,5.27,60,5.41,75,5.49,90,5.47,110,5.46,120,5.36,135,5.02,150,4.49,152,4.405697
10,38.8,5.055573,52,5.55,60,5.68,75,5.8,90,5.82,110,5.91,120,5.84,135,5.61,150,5.22,157.4,4.971782
12,38.8,5.145393,52,5.66,60,5.82,75,6.01,90,6.08,110,6.25,120,6.22,135,6,150,5.7,171.2,5.231584
14,39,5.172773,52,5.71,60,5.89,75,6.14,90,6.3,110,6.54,120,6.56,135,6.36,150,6.05,177.2,5.626718
16,39.5,5.196828,52,5.72,60,5.92,75,6.23,90,6.47,110,6.81,120,6.91,135,6.73,150,6.38,179,5.960908
20,41.8,5.204728,52,5.69,60,5.93,75,6.3,90,6.68,110,7.21,120,7.7,135,7.72,150,7.13,178.4,6.59257

Wind Speed	52°	60°	75°	90°	110°	120°	135°	150°
6	4.6	4.8	4.91	4.83	4.64	4.5	4.1	3.54
8	5.27	5.41	5.49	5.47	5.46	5.36	5.02	4.49
10	5.55	5.68	5.8	5.82	5.91	5.84	5.61	5.22
12	5.66	5.82	6.01	6.08	6.25	6.22	6	5.7
14	5.71	5.89	6.14	6.3	6.54	6.56	6.36	6.05
16	5.72	5.92	6.23	6.47	6.81	6.91	6.73	6.38
20	5.69	5.93	6.3	6.68	7.21	7.7	7.72	7.13

Wind Speed	Beat Angle	Beat VMG	Run Angle	Run VMG
6	42.4°	3.06	148.4°	3.07
8	40.6°	3.64	152°	3.89
10	38.8°	3.94	157.4°	4.59
12	38.8°	4.01	171.2°	5.17
14	39°	4.02	177.2°	5.62
16	39.5°	4.01	179°	5.96
20	41.8°	3.88	178.4°	6.59

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