lfc

  1. blackkite

    Northrop X-21 Laminar Flow Control

    Hi! https://www.airforcemag.com/PDF/MagazineArchive/Documents/1963/0863control.pdf http://nhungdoicanh.blogspot.com/2010/07/northrop-x-21.html https://kerbalx.com/NorthAmericanAviation/Northrop-X-21
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