Air Cam Builder's Log | AIR CAM BUILDER'S LOG | WINGS | IMG_5024

The wing covering is attached to the tensioning rib (located at the root of the wing) using screws that go through the black velcro and into the rib.

The tensioning rib is then adjusted to tighten the wing skins by turning 2 long threaded rods (one threaded rod is visible in this photo).