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MEASUREMENT CERTIFICATE

of Multihull Portable Sail Boat

Name Black Jack
Number on Sail V
Year of buit 2019
Owner Пефтієв Артем

Measurement data

Hull Daggerboard* Profiled Mast
Weight, kg 75 Depth below hulls,m Transection D, m 0.065
Overal length AL, m 5 Average width, m Longitudinal section D1, m 0.065
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 5.52 P, m 3.71 P, m 5.85
Leech chord B, m 5.77 B, m 3.45 B, m 4.7
Foot chord E, m 1.65 E, m 1.18 E, m 3.2
hp, m 0.055 hp, m 0 SMW, m 2.48
hb, m 0.9 hb, m 0.06    
he, m 0.11 hb, m 0.06    
Sail height VLM, m 5.83 VLJ, m 3.51 SMW/E 78%
Sail area CM, m2 8.27 CJ 2.22 CSPI 11.82

Main and head sails area 10.5 m2

Ratings With Spinnaker Without Spinnaker
MARINS with the standard crew member weight 75 kg 0.781 0.750
MARINS with real crew weight 156 kg (2 pers) 0.774 0.744