Propeller Research Tunnel (PRT)
(L-4394): This diagram shows the simple design of the PRT’s balance. Three scales (C) measured aerodynamic forces on the fuselage. Scale (T), balanced by counterweight (H), measured the propeller’s thrust.
Credit: NASA
Image Number: L-4394
Date: April 13, 1930
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Uploaded on August 2, 2013
Taken on April 13, 1930
Propeller Research Tunnel (PRT)
(L-4394): This diagram shows the simple design of the PRT’s balance. Three scales (C) measured aerodynamic forces on the fuselage. Scale (T), balanced by counterweight (H), measured the propeller’s thrust.
Credit: NASA
Image Number: L-4394
Date: April 13, 1930
16,830
views
2
faves
0
comments
Uploaded on August 2, 2013
Taken on April 13, 1930