NASA NTRS · 19930094645
The Denis-gruson Six-component Wind-tunnel Balance
Abstract
The 6.C.1 balance is the first fully automatic balance assuring a continuous and simultaneous record of the aerodynamic characteristics of an airfoil in a wind tunnel. Because of the rapidity of the measurements a complete polar (six components) requires only about three minutes of wind, that is to say, of motive power, which is of interest for wind tunnels with high efficiency factors and may lead to the economical design of large size wind tunnels.
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1935-07-01. The Denis-gruson Six-component Wind-tunnel Balance. https://ntrs.nasa.gov/citations/19930094645
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