Fig 5 Schematic diagram of acoustic wind tunnel facility by C. P. KIRWAN Hover- Jak Ltd ... The 140 ft diameter circular test track is enclosed in a 176 ft diameter by 45 ft high geodetic dome, and can test models with planforms up to 14 ft by 7 ... The models are tethered to a centre post by a cable which also supports signal and power lines. ... rate up to 100 times each second for each of sixteen signal channels A video camera mounted on the 1 Fig 4 Tether gimbal system for Vampire 1.
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