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#1
October 4th 07, 08:36 AM
posted to rec.aviation.homebuilt
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Aluminum composite reportedly stronger, lighter than carbon
Orval Fairbairn wrote:
In article , "Wayne Paul" wrote: I just saw the following on rec.aviation.soaring and thought it might be of interest to this group. From the Delft University: http://www.compositesworld.com/news/...October/112036 Wayne HP-14 "6F" http://www.soaridaho.com/Schreder They have to get the Young's Modulus to match, otherwise either the aluminum or the matrix material will be carrying most of the load. Anything coming from anything labeled "Green" is automatically suspect, in my book, until I see a second (or third) opinion. Copy that. Orv. I was a little bewildered how replacing he construction material was going to save mega bux. Seems more like it would COST mega bux to redesign for it... Oh well, it's Green, therefore wonderful? Right... Richard 
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#2
October 15th 07, 05:48 AM
posted to rec.aviation.homebuilt
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Aluminum composite reportedly stronger, lighter than carbon
On Thu, 04 Oct 2007 02:36:51 -0500, cavelamb himself
wrote: Orval Fairbairn wrote: In article , "Wayne Paul" wrote: I just saw the following on rec.aviation.soaring and thought it might be of interest to this group. From the Delft University: http://www.compositesworld.com/news/...October/112036 Wayne HP-14 "6F" http://www.soaridaho.com/Schreder They have to get the Young's Modulus to match, otherwise either the aluminum or the matrix material will be carrying most of the load. Anything coming from anything labeled "Green" is automatically suspect, in my book, until I see a second (or third) opinion. Copy that. Orv. I was a little bewildered how replacing he construction material was going to save mega bux. Seems more like it would COST mega bux to redesign for it... Oh well, it's Green, therefore wonderful? I don't think I'd call Aluminum a "green" material. Roger (K8RI) Right... Richard
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