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MEASUREMENT CERTIFICATE

of Multihull Portable Sail Boat

Name Спокойный
Number on Sail О-4
Year of buit 2016
Owner Косинский Александр

Measurement data

Hull Daggerboard* Profiled Mast
Weight, kg 730 Depth below hulls,m Transection D, m 0.08
Overal length AL, m 9 Average width, m Longitudinal section D1, m 0.12
Board area, m2 Mast track long. section d, m 0.012

*According to POM-2009 the daggerboard area does not matter for a rating calculation.

Mainsail Headsail Spinnaker
Luff chord P, m 8.49 P, m 6.47 P, m 8.43
Leech chord B, m 8.77 B, m 5.97 B, m 7.43
Foot chord E, m 2.2 E, m 2.44 E, m 3.89
hp, m 0.03 hp, m 0.05 SMW, m 3.12
hb, m 0.75 hb, m -0.06    
he, m 0.04 hb, m 0.05    
Sail height VLM, m 8.49 VLJ, m 6.27 SMW/E 80%
Sail area CM, m2 16.02 CJ 7.08 CSPI 24.38

Main and head sails area 23.1 m2

Ratings With Spinnaker Without Spinnaker
MARINS with the standard crew member weight 75 kg 0.753 0.732
MARINS with real crew weight 620 kg (8 pers) 0.750 0.729