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mario
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Joined: 22 Sep 2012
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Location: California

PostPosted: Fri Jan 06, 2017 10:05 pm    Post subject: Printing our future airframes? Reply with quote #1   
Maybe something like bird bone structure instead of our hollow tubes....
Get to the drawing boards! I mean computers, of coarse.
http://www.nextbigfuture.com/2017/01/mit-makes-compressed-graphene-sponge.html?ref=yfp
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_css_nate_
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Joined: 26 Dec 2015
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Location: southern california

PostPosted: Sat Jan 07, 2017 2:08 pm    Post subject: Reply with quote #2   
i guess we can expect a T2G then
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wonderwind_flyer
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Joined: 28 Jul 2012
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PostPosted: Sun Jan 08, 2017 7:50 am    Post subject: Reply with quote #3   
...

Thx for sharing the link Mario.
Maybe using this concept/material for ribs could be a good place to start. The cross-sectional profile of ribs could optimized too.

I have also been wondering about a higher tech, lighter weight material than (heavy) mylar for leading edge inserts.

...
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raquo
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PostPosted: Sun Jan 08, 2017 11:53 pm    Post subject: Reply with quote #4   
There are some 3D printers that print continuous carbon fiber, e.g. https://markforged.com/mark-two/ ($14K for this little device). However, typical hang glider tubes are much bigger than all but the most ridiculously expensive 3D printers. For now I don't think we can 3D print better/cheaper than building D-cells using carbon molds or tubing using woven carbon Sad
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