Leon wrote:

"Ross" wrote in message
...
When your wood isn't uniform, the tenons will vary in thickness with a
tenon
jig also, if you only cut one cheek at a time. To get truly uniform
tenons
in any wood, use a double blade setup and the tenon jig, and always cut
from
the show face.

No, they will not if you cut the outside, and not the side next to the jig.

I don't think that's right. Let's take some big numbers to make it
clearer: you set the jig so the blade is 2" away from the face of the
jig. You run a 3" thick piece through it, once from each side. Ignoring
the saw kerf, you end up with a 1" tenon. Now you run a 4" thick piece
through it, once from each side. Both cuts are 2" from the sides, i.e.
right in the middle. No tenon.

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