Marine engineering, ship design

« Sailing boats

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Ship category:Passenger tall ships
Name of class:EQUATOR CAT 65
Construction:GRP sandwich construction built with own designed prototype

Project's details:

Project name:Concept design of a 65' sailing catamaran made of GRP sandwich material

Applied rules/registers:

Calculations according to GL 
High Speed Craft Code 2000 

Main features:

Length overall, Lbef [m]19,95
Maximum length, Lmax1 [m]19,95
Maximum length of hull, Lmax2 [m]19,95
Waterline length, Lwl [m]19,22
Maximum breadth with fender rail, Bmax [m]10,7
Breadth of hull, b [m]10,6
Waterline breadth, Bwl [m]10,3
Depth, D [m]2,6
Freeboard, f [m]1,2
Airdraft from baseline, Hfix [m]4,1
Lightship, delta0 [t]20
Deadweigth, deltamax [t]30
Draugth with propulsory equipment, centerboard and keel, Tk [m]1,4/2,5
Maximum draugth, T [m]1,4/2,5
Inbuilt engine power rating, N [hp]2x85
Service speed, v [km/h]18
Crew, n13
Maximum passenger capacity, n2 [fő]80
Maximum load [kg]10000 (with pax)
Type of sailSloop
Main mast, P [m]21,35
Main mast, l [m]19,46
Main mast, E [m]8,52
Main mast, J [m]6,26
Main mast, AM [m2]113
Main mast, AF [m2]52
Keel depth [m]0,6/1,7
Main mast AN [m2]165

Ship engineer tasks:

Technical desription 
General arrangement, general structure design 
Machinery arrangement 
Electric system 
Rudder and hydraulic systems 
Heating and airconditioning systems 
General arrangement and sail plan 
Arrangement of compartments 
Hull and deck arrangement 
Hull design 
Calculation of hydrostatics 
Weigth and stability calculation 
Buoyancy and stability check 
Ship strength calculation 
Sail design and calculation 
Mast design 
Preliminary resistance and propulsion calculation 
Construction documentation 
Calculation of hull plating 
Stiffening and calculation of framing 
Machinery equipments