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Time for a full size scratch build 9 foot catamaran runabout

catamaran, runabout, scratch build, tunnel hull Commenti disabilitati su Time for a full size scratch build 9 foot catamaran runabout 


A recent purchase of a 5hp Mercury as a wing engine for Buttercup has re-kindled my desire to build a runabout catamaran design I have had in mind for a while now.


9 ft long by 4ft 6" beam in thin ply just to hold the shape then fiberglass sheathed on the outside and a full layup in side. 



The above mockup has been around now a couple of years. A feature of the design is two of the bottom panels have one completely straight edge.
I have a 4 foot mockup in the same proportions 2:1 length to beam with the hulls an tunnel one third of the beam.  The tunnel should make the hull very stiff longitudinally, and a bulkhead one third of the length near the bow make the cardboard mock up very stiff torsionally. 







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