The Formation of Ice upon Airplanes in Flight (1929)
NASA Technical Reports Server (NTRS) · leaf 16
N.A.C.A. Technical Note No.313 Fig.3 … Formation on end of Formation Formation negative pitot head, on stream- on round line wire„ wire. (Forms very quickly and on all occasions.) Formation on end of positive pitot head, showing interior of tube clear. Formation on threaded end of streamline wire, note ice following contour of threads.…
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