The photo above is a Twiggy Mk1 from France

This presentation documents the construction of a modified version of Lock Crowther's famous Twiggy Mk 2 trimaran

Tuesday, April 9, 2019

Waterproof bulkhead door for frame #1


hourglass watertight door will seal off bow area in case of collision,
door will be removable, installed with toggle bolts and neoprene gasket

Tuesday, April 2, 2019

Berth plywood with hatches






space below these berths are to be sealed airtight 
to compartmentalize in case of hull damage,
so the hatches will be tightened down with bolts onto neoprene gaskets.
Threaded inserts are installed in the hatch rims.