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Aviation History
1956
1956 - 0614.PDF
614 FLIGHT (Left) Two views of the 9ft x 8ft working section, looking upstream and downstream. Both flexible walls and per- forated walls are incorpor- ated. The vertical strut on which the model sting is pivoted forms part of the model cart. (Lett, lower) The removable section of the tunnel circuit. Bedford Transonics: the A.R.A. Tunnel "Flight" photograph A "Flight" photograph (Right) Looking upstream towards the main tan section. Each stage of the two-stage fan has 20 blades of 21ft diameter, and power output at a given fan speed can be varied by means of flaps on the pre-rotation vanes. (Below) A general view showing main motor house, fan section (with installation gantry) and auxiliary suction-plant house.
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