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Thread: whats the technical cause of the massive two-per vibrations of an airworthy Huey
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Old 22nd Apr 2021, 10:18
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JohnDixson
 
Join Date: Mar 2007
Location: Hobe Sound, Florida
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Curious, MM: does that chart date from back when Boeing licensed the MBB-105 rotor technology for their UTTAS prototypes ( YUH-61 )? Notation refers to Boeing.
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