Creating a large, deep sliding dovetail about 32" long.
 

All,

I am creating a island/table out of 5" thick reclaimed douglas fir. The
top will be about 7' x 32" x 5". My idea is to turn it in to a trestle
table with oak legs. I would like to attach the top of the two legs to
the bottom of the table top with a big sliding dovetail. Any ideas? I
have been thinking about this for 3 weeks and I don't know how I am
going to do it (with any accuracy).

a) There isn't a dovetail bit big enough, right?
b) How do I get my chizel in the middle?
c) Even if I use my circular saw, I still need to chizel out the
corners..

My only thought is circularr saw with a bar welded to a cheap chisel,
any other ideas?

Matt

Creating a large, deep sliding dovetail about 32" long.
 

timberframing slick will do the job nicely. A regular bench chisel should
work if you use it perpendicular to the dovetail. I've done some pretty big
sliding dovetail grooves by using a back saw to cut the sides, then a chisel
to chop out the waste, and a router plane to clean out the bottom....

-JD



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All,

I am creating a island/table out of 5" thick reclaimed douglas fir. The
top will be about 7' x 32" x 5". My idea is to turn it in to a trestle
table with oak legs. I would like to attach the top of the two legs to
the bottom of the table top with a big sliding dovetail. Any ideas? I
have been thinking about this for 3 weeks and I don't know how I am
going to do it (with any accuracy).

a) There isn't a dovetail bit big enough, right?
b) How do I get my chizel in the middle?
c) Even if I use my circular saw, I still need to chizel out the
corners..

My only thought is circularr saw with a bar welded to a cheap chisel,
any other ideas?

Matt