The Accessory Angle Drive gearbox powers the fuel and hydraulic pumps on the Atar engine in the Mirage aircraft. To insure against in-flight failure, each gearbox is vibration tested under load after overhaul by the local contractor. A new vibration testing technique, offering greatly improved accuracy and reliability, has been developed. The technique uses a real-time, fast-fourier spectrum analyzer, with direct digital read-out in engineering units, and a tracking adapter with built-in antialiasing filter. This report defines correct procedures for the connection and operation of the instruments, and the interpretation of the results. (DePo)
Vibration test procedures for accessory angle drive gearboxes on Atar 09C engines
Verfahren der Vibrationspruefung fuer zusaetzliche Winkelantriebsgetriebe fuer Atar 09 C Flugzeugtriebwerke
US Government Reports ; Mar ; 1-57
1981
57 Seiten
Report
Englisch
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