Tuesday, 20 December 2011

Keel Foil

In contrast to the original design the lead bulb is not built from two vertical split halves. In order to make it more handy I plan to assemble it from a dozen horizontal lead slabs each of less than 30kg mass. Six stainless steel rods of 16mm diameter are glued into the keel foil to attach the lead slabs. In order to mount or demount the lead slabs piece by piece each one is fixed by three nuts to alternating rods. The inner fastening rods are crossing the foil from the bulb to the lifting tackle. For lightning protection they will be electrical connected to the mast later on.

 Working time been invested: 130 hours

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