A Radio Flight‐Test Recorder: Observations Made in the Aeroplane Recorded on the Ground Available to Purchase

ALL essential data on operation, performance and stresses of a new‐model aircraft in flight test are picked up, transmitted and recorded automatically by a radio system developed and built by Vultec Aircraft Inc., of Downey, California. The indications of seventy‐two different instruments in the machine can be transmitted a distance of about 100 miles and recorded simultaneously at a ground station at a maximum speed of 100 instrument readings per second.