Wednesday 18 March 2015

Front Dome

It's been a month in the making and the front dome has finally been completely welded together!  It still needs a little sikaflex to tidy up some gaps around the welds, but that'll be done later on when the battery compartment has been welded in so the heat of welding doesn't burn off the sikaflex
Starting to weld the cage on.  The nose part has the u-bolt welded to it so the sub can be towed back onto the trailer.

16/02/2015

The first four ribs welded on.
18/02/2015

All the ribs are on.
18/02/2015

All the segments roughly cut from 44 gallon drums.  Each sheet was then put up against the dome cage and cut to size.  Each segment took about 2 - 3 hours each to weld to the sub.  With a total of 12 segments it took around 24 to 30 hours to complete.
18/02/2015

The first segment going on.  Each one had to be clamped and tack welded bit by bit so that the thin steel wouldn't buckle anywhere as it followed the curve of the dome.  This is why it took so long.
18/02/2015

Works in progress...
14/03/2015

17/03/2015

...and here it is completed.  The grey paint is just to stop the welds rusting.  Once the sub has been fully tested it'll be given a coat of marine grade paint.
18/03/2015

18/03/2015

18/03/2015

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