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Old 11-07-2017, 08:59 PM
Red Baron Mike
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Default U.S. 41cc Vibration Reduction

Could use some help guys!I recently purchased a near new U.S. 41cc that I am now breaking in. I am very pleased with its running, but I am trying to reduce vibration as much as possible. I checked the run-out on the prop hub, it is .006" total run-out. Apparently the threaded hole drilled through the hub .006" off-center. Is this enough to experience a vibration or is this insignificant?

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