Air & Space Magazine Propulsor Testing In a wind tunnel at NASA’s Glenn Research Center, engineers test a fan and inlet design, called a propulsor, that could use four to eight percent less fuel than today’s advanced aircraft. NASA March 31, 2017 ShareCopy linkEmailSMSFacebookXRedditLinkedInBlueskyPrintAdd as preferred source You Might Also Like Gravity Testing July 22, 2013 Milestone Earth Viewing July 25, 2014 Typhoon Season May 25, 2016 Sewing the Sunshade July 8, 2016 Eyes on the Earth December 15, 2011 Get the latest stories in your inbox every weekday. Email Powered by Salesforce Marketing Cloud (Privacy Notice / Terms & Conditions)