NACA duct

Concept picture of a submerged inlet for a jet aircraft

A NACA duct,[1] also sometimes called a NACA scoop or NACA inlet, is a common form of low-drag air inlet design, originally developed by the U.S. National Advisory Committee for Aeronautics (NACA), the precursor to NASA, in 1945.[2][3]

  1. ^ Frick, Charles W., et al. NACA ACR No. 5120, An Experimental Investigation of NACA Submerged- Duct Entrances. NACA, November 13, 1945. Abstract, Full report.
  2. ^ "NACA UK Mirror report description page".
  3. ^ "MAGiC NACA Archive".