Break through for the rear spar.
Another view. You can see the wooden fillers between the webs.

Trailing edge of the rib with the opening for the trailing edge wooden stringer.
Now that this test rib is completed I will start to finish up Wulffo´s airscrew tomorow of whichj the layers now glued.
After this I will return to the wing rib making and put together the ribs of the lower wings first.
Enjoy!
Achim