Annual Report of the National Advisory Committee for Aeronautics (9Th).Administrative Report Including Technical Reports Nos. 159 to 185 (1924)
NASA Technical Reports Server (NTRS) · leaf 76
e center Fio. I6.-View ot variable density wind tunnel showing fen motor and air pipes. q| ^^^^^ ^„ ^he tWO euds of wllicU ai'O attached suspension wires leading to winches in the cockpit of the aii-olane, so that when the latter is in flight the kymograph may be lowered to a distance of Jo feet,… … FiQ. 17.—^N. A. C. A. trailing kymograpli-airspeed meter. the sun may be reflected through the lens and then through two crossed slits onto a photo- graphic film. The Pitot tube is connected to a capsule manometer, whose motions are recorded on the same film. This is wound on a_drum, inside of…
NASA Technical Reports Server (NTRS)
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