The Use of Ultrasonics for Oleo Compression Measurements on a S-70B-2 (Seahawk) Helicopter
Flight mechanics technical memo.
AERONAUTICAL RESEARCH LABS MELBOURNE (AUSTRALIA)
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Dynamic measurements were conducted to acquire data for the development of a mathematical model of the undercarriage of a S-70B-2 Seahawk helicopter. The principal measuring instrumentation consisted of LVDTs and ultrasonic transducers. This memorandum discusses a Ranging Ultrasonic Transducer which was developed to overcome the inherent and excessive recovery time delay of the ultrasonic transducers when subjected to out-of-range distance operations during the flight trials. S-70B helicopters, Ultrasonic wave transducers, Undercarriage, Flight tests, Mathematical models.