Left spar/ main ribs

Some real assembling began today with riveting of the rib doublers and riveting the main ribs on the left spar. Careful attention was needed to make sure the right rib went to the right location.

Time: 1.25 hr.

Riveting of rib doubler

Main ribs attached to left spar.

Main ribs attached to left spar.

Closeup of inboard main rib of left spar.