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Search: Posts Made By: MeddlMoe

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Forum: Rotorheads

22nd Apr 2021, 10:45

Replies: 21

whats the technical cause of the massive two-per vibrations of an airworthy Huey

Views: 6,494

Posted By MeddlMoe

I just picked a familiar looking graph from...

I just picked a familiar looking graph from google :-)

Thank you for the pointer to the YUH-61. I did not know about that one.

Forum: Rotorheads

22nd Apr 2021, 10:09

Replies: 21

whats the technical cause of the massive two-per vibrations of an airworthy Huey

Views: 6,494

Posted By MeddlMoe

I don`t know the huey rotor system, but I assume...

I don`t know the huey rotor system, but I assume that the rotation frequency crosses the blade lead-lag resonance.

The lead-lag resonance frequency increases with increasing rotor speed, but not...

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