Salt 47’

I. HULL AND DECK CONSTRUCTION

SPECIFICATION ALUMINIUM

Primary Structural elements : APPENDAGES :Daggerboard : SEALIUM Longitudinal stiffeners : alloy 6060 T5 Hull, deck and roof skins: alloy 5083 H 111 (exceptionally large thicknesses of 5086)Maximum tolerance of boilerworks is plus or minus 3 mm per metre without accumulationInterior and exterior welding process : Mig or Tig classe II norme Afnor A 89220 for the all framing system ENVELOPPE : - Bottom hull skin : 10 thickness - Side hull skin : 6 and 5 mm thickness - Deck and roof : 4 mm thickness - Weatherboards and superstructure : 4 mm thickness - Roof lid : 4 mm thickness - Bow cone : 6 mm thickness The daggerboard presents a NACA profile and is built in aluminium. It is ballasted in order to present a negative flottability- Daggerboard skin 6 mm and 8 mm thickness- Daggerboard axis in Technyl - Closing side skins fixed with waterproof joints - Daggerboard manoeuvres ( up and down ) are mecanical and realised thanks to a 4 lengths pulley block.. Up and down ropes are pre stretched. They go back to the cockpit to a winch fixed on the coachroof

CONSTRUCTION

- Forward Central Girder : 135/10 mm - Bottom transverse frame : ép. 10 mm - Transverse frames sides : 80/10 mm - Mast ring frames : 150/100/10 mm - Hull Stiffeners: T shape : 40/40/4 mm - Deck stiffeners : T shape : 40/40/4 mm - Forward watertight bulkhead : 6 mm thickness - Aft watertight bulkhead : 5 mm thickness - Marine engine watertight girders : 6 mm thickness - Daggerboard box : 8 mm thickness - Tanks (structural) : 5 mm thickness STRUCTURE :

C

HANTIER

N

AVAL

G

ARCIA

4