PPRuNe Forums - View Single Post - Sikorsky Begins Whirl Testing Active Rotor System
Old 30th Aug 2009, 01:03
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BV234driver
 
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Active flaps, etc.

Nimby- check previous stuff online. Big S has been partnered with NASA for over a decade, running a hydraulic PCL setup, full scale in the NASA wind tunnel. The latest trend tends towards the active flap/trim tab portion.

But seriously, being on the pilot and maintenance side, run a search on video of a blade in-flight. They've taken a camera mounted to the root of a UH-60 system in flight, and it might as well be a spaghetti noodle. So, for those that expect a dramatic change, I'd reevaluate expectations. Not that we wouldn't all like to get rid of M/R dynamic vibe, but it's a bit at a time, I'm afraid. And as much science as it is now, some is still an art. Just not the chalk and flag art that it was of years ago.

Too true on engineers and fewer lawyers, Dave. Maybe why we're seeing products like the S-92 show up.
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