It's probably the keyword "flipping". It seems that most have not flipped them so much as jacked them up and placed on blocks or hung the boat with hoists
and straps or used other methods to lift. There are at least a couple threads for those methods of working on the bottom. I think I might have started one of
them myself. Let me see what I can find.
Here is one:
http://www.classicseacraft.com/forum...rev=#Post49445
And here is the other:
http://www.classicseacraft.com/forum...r=33787&Forum=,,,,,,All_Forums,,,,,,&Words=&Searchpage=2&Limit=2 5&Main=33654&Search=true&where=bodysub&Name=657&da terange=1&newerval=10&newertype=y&olderval=&oldert ype=&bodyprev=#Post33787