The Naiad Voyages

Mark Austen

2021.07.01 - Mainsheet Blocks III

Today's task is a little tricky for two reasons. Firstly, I've never done it before and secondly, it is very easy to mess it up.

The idea is to drill a hole very close to the edge of a piece of Ash like this.

But as you can see, this is a little too close.

The other side the block is also trimmed like so.

However, the block is too thin at a little over 13mm when I need it to be a minimum of 14mm and preferably less than 15mm. So I need to try again.

This time I cut the hole deliberately too far away from the edge...

...and trim both sides.

This time the width is 14.6mm which is close enough. Slightly too thick is not going to be a problem.

This piece is cut into two though the hole giving two pieces each with a semicircular "groove" in one edge.

Two more pieces of Ash are cut the same thickness, but without the groove.

One of each will be glued to the block cheek pieces like this...

...and the other cheek piece glues in top to form the shell of the block.

It is not easy to glue the entire shell in one go, so the spacers are glued to one side first and the other cheek is placed on top to spread the load of the weights whilst the glue tacks up for half an hour or so.

Once the glue has tacked up sufficiently the weights are removed, the unglued cheek taken off and any glue squeeze-out removed with a sharp chisel.

The second cheek is now glued in place. The location of the two cheeks is assisted by a drill bit through the holes and additional pads of scrap wood are used to stop the clamps from damaging the shell as they are quite strong.

The shells will be left over night for the glue to cure completely and the next part will be done after that.

Time for a cup of tea.