FIELD: aeronautical engineering. SUBSTANCE: method of determination of vibrational forces on helicopter rotor in flight consists in subsequent application of vibrational forces during ground tests in directions along shaft axis and perpendicularly to this axis, measurements of vibrational displacements in these directions and determination of vibrational forces by relationships indicated in formula of innovation. EFFECT: enhanced accuracy of determination of vibrational forces arising in flight. 2 dwg
Authors
Dates
1995-04-30—Published
1991-06-27—Filed