Marine engineering, ship design

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Chaparral 275 SSI
( CHAP 9-021-00 )

Ship category:Commercial vessels
Name of class:Chaparral 275 SSI

Project's details:

Project number:CHAP 9-021-00
Project name:Dynamic stability of planing craft in planing and semi-planing mode
Project description:Buoyancy, stability check and dynamic stability check in planing mode of a watercraft.

Applied rules/registers:

KöViM Rules for Trial and Certification of Conformance, Buoyancy of Inland Navigation Vessels 
Technical supervisory regulations for inland ships 
High Speed Craft Code 2000 

Main features:

Length overall, Lbef [m]9,08
Maximum length, Lmax1 [m]9,08
Maximum length of hull, Lmax2 [m]8,79
Waterline length, Lwl [m]6,841
Maximum breadth with fender rail, Bmax [m]2,74
Breadth of hull, b [m]2,74
Waterline breadth, Bwl [m]2,35
Depth, D [m]0,95
Freeboard, f [m]0,6
Airdraft from baseline, Hfix [m]2,39
Lightship, delta0 [t]3,311
Deadweigth, deltamax [t]4,561
Draugth with propulsory equipment, centerboard and keel, Tk [m]0,89
Inbuilt engine power rating, N [kW]318
Maximum motor power rating, N [kw]410
Service speed, v [km/h]60
Crew, n11
Maximum passenger capacity, n2 [fő]9
Maximum load [kg]850
CE classification of design categoryC
Type of main engine1 MerCruser 496 MAG HO BRAVO Three
Continuous service raing [LE]1x426

Ship engineer tasks:

Calculation of hydrostatics 
Inclining experiment documentation 
Inclining experiment summary 
Weigth and stability calculation 
Buoyancy and stability check 
Documentation of dynamic inclining experiment in planing mode 
Summary of dynamic inclining experiment in planing mode