And what country can preserve its liberties if their rulers are not warned from time to time that their people preserve the spirit of resistance? Let them take arms. The remedy is to set them right as to facts, pardon and pacify them. What signify a few lives lost in a century or two? The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.
Thursday, December 9, 2021
Altitude Wind Tunnel Drive Fan being Assembled, 1941 National Advisory Committee for Aeronautics (NACA) Aircraft Engine Research Laboratory, Cleveland, Ohio
Very interesting. That thing had to move a LOT of air. And get a load of the makeshift supports at the tip of each blade.
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Undoubtedly using information gotten by the Wright Bros. by use of a ... windtunnel.
ReplyDeleteNASA John Glenn research facility. There's are several wind tunnels used to this day. https://www1.grc.nasa.gov/facilities/
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