A recently acquired boat (5.1m lapstrake, open sail/row, 10sqm gaff sloop) is undergoing a bit of R&M (repair and maintenance ). After doing a bit of internet and forum search, I realised that the 'gap' in the gaff's jaws should actually be filled by a tumbler.
Unfortunately many of the previous good posts no longer have their photos...
The Gaff Rig Handbook has a few small diagrams showing the general looks of a tumbler. So far from forum posts, I have determined the following:
- tumbler height is 3x gaff jaw width
- pivot point is just (10%) above centre of tumbler so that is stays vertical
- edges should be rounded/radiused
- leathering and greasing recommended
I am considering using white oak offcuts that are available.
Does anyone (e.g. Chris Gerkin, Mike Hanyi, T.Kamila) have any detailed pics/drawings of what one should look like?
The unanswered question of course is why - if there was originally one - did the tumbler break...