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| The natural frequency of the fan blades is very close to the blade pass frequency. Took about a year for the welds to fail. Running around 1700 rpm, the two blades flew off during operation. |
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If you like MaintenanceForums.com wait till you try Maintenance.org Join or Manage Your Profile Posting Boards Maintenance and Reliability Photo Alley Paddle Fan Failure due to Resonance (Personal Album)
Join or Manage Your Profile Posting Boards Maintenance and Reliability Photo Alley Paddle Fan Failure due to Resonance (Personal Album)
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