drkrider Posted January 16, 2013 Report Share Posted January 16, 2013 Are both flapping hinge frictions close to the same? We had one here where one flapping hinge was noticeably stiffer yet still less the the teetering friction. I would give us and intermittent 2 per. 1 Quote Link to comment Share on other sites More sharing options...
helidude Posted January 16, 2013 Report Share Posted January 16, 2013 Well x per vibes are inherent in all helicopters to a certain degree, beyond that it's usually something loose on the airframe. I can't say that I've ever heard of an R44 2 per that was bad enough for the pilot to complain. If you're dealing with a private guy then double whammy for you!! The Astar 3per troubleshooting list is like 10 pages long. Could be anything, loose landing gear, doors, cowlings, windshield etc. Could also be defective blades (not likely). Otherwise, I'm out of ideas. Did you ask the techies at Robinson? Quote Link to comment Share on other sites More sharing options...
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