Here the tie-down bracket is clamed in place, ready for the spar to be flipped over and drilled.


Match drilling the spar to the tie-down bracket.


And now the spacers have been drilled.


Before and after.


This is the first time I've ever threaded anything. Turned out perfect.



See. Notice all the rounded corners/edges of the aluminum.


The bracket & spacers primed and riveted together. They'll get bolted on the spar later.





We *had* to move Mason's tools next to mine. :-)


Mason's first experience with ear plugs. He liked them, no really he did.