One of the reasons why the Savannah can stall so slow (about 28 mph) and yet cruise fairly well (about 120 mph) is that is has VG's or Vortex Generators along the leading edge of the wing to produce micro turbulence along the upper surface rather than laminar flow to help the airflow stay attached longer. The kit has predrilled holes and the little VG's have little pegs to snap into the hole. This guarantees proper placement and alignment. However, they don't "snap" in as securely as we would like, so a dab of Superglue Gel ensures their permanent residence.
