A wind tunnel in which air is propelled by means of a helix is used for determination of air resistance of various bodies at various speeds. Propellers and wings of airplanes are tested; resistances of locomotives, automobiles, projectiles, and ships are measured. Formulas, line drawings, and diagrams.
Investigations made by the aerodynamic institute at aachen
Forschungsarbeit der Aerodynamischen Institute
Praktischer Maschinen-Konstrukteur ; 58 , n 5
1925
4 pages
15 Figs.
Aufsatz (Zeitschrift)
Deutsch
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Aerodynamic investigations of ventilated brake discs
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