VERFAHREN ZUR KORREKTUR DES STATISCHEN MOMENTS VON DREHFLUEGELBLAETTERN

In finishing the construction of a rotary wing, particularly helicopter rotor blade, the blade is weighed to determine the position of its static moment. The measured value is compared with a predetermined value and, if necessary, the static moment is adjusted by applying a high specific gravity fil...

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Bibliographische Detailangaben
Hauptverfasser:	DOELLINGER,ROLF, BRUNSCH,KLAUS
Format:	Patent
Sprache:	ger
Schlagworte:	AEROPLANES AIRCRAFT AVIATION COSMONAUTICS HELICOPTERS MEASURING PERFORMING OPERATIONS PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR TRANSPORTING
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Beschreibung
Zusammenfassung:	In finishing the construction of a rotary wing, particularly helicopter rotor blade, the blade is weighed to determine the position of its static moment. The measured value is compared with a predetermined value and, if necessary, the static moment is adjusted by applying a high specific gravity filler material to the surface of the blade. The filler material has a specific gravity in a range of 6 to 10 p/cm3 and can be formed of a mixture of tungsten powder and epoxy resin. The weighing operation is performed on a three scale apparatus with one scale supporting the end of the blade attached to the rotor and the other two scales supporting the opposite end of the blade.