Originally Posted by Prof100
I like the NACA ducts but I just want to try something different this time. I have NACA ducts on my EDFs too (see Squall picture with Naca duct). There is another reason I went with the 3/4" round air inlet. If I decide to do any nightflying mods the 3/4" hole is a perfect place for a nice big bright LED headlight if I decide to add one later.
Where can I purchase ducts like these? I'm not having any luck finding them on Ebay. Maybe I'm just using the wrong search terms.