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#1
August 1st 03, 08:51 PM
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For the people that didn't visit the Zenith link, thats a sheet metal
hinge, no moving parts, just flexing sheet. I've seen this up close and its pretty slick. One of those "Why didn't I think of that!" kind of moments. Regards "Rick Pellicciotti" wrote in message news:3f298016$1@ham... Like this: http://www.zenithair.com/kit-data/ht-aileron.html Rick Pellicciotti 
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#2
August 3rd 03, 05:23 PM
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"Jay" wrote in message om... For the people that didn't visit the Zenith link, thats a sheet metal hinge, no moving parts, just flexing sheet. I've seen this up close and its pretty slick. One of those "Why didn't I think of that!" kind of moments. I'm concerned about corrosion on such a flexing member and how the imperfections introduced could concentrate stresses during flexing and cause premature failure.
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#3
August 4th 03, 07:40 PM
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"Peter Gottlieb" wrote in message . net... "Jay" wrote in message om... For the people that didn't visit the Zenith link, thats a sheet metal hinge, no moving parts, just flexing sheet. I've seen this up close and its pretty slick. One of those "Why didn't I think of that!" kind of moments. I'm concerned about corrosion on such a flexing member and how the imperfections introduced could concentrate stresses during flexing and cause premature failure. Corrosion protection is critical on any metal airplane part. If you read the dissertation on the web page, Chris Heintz goes into a lot of detail on how they tested it for fatigue and they even damaged it intentionally and tested it. Rick
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