Word association

Buttercup

D Stracted
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Fellow Frogger
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Jan 20, 2013
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Lake Keepit NSW
I don't know how to add a YouTube link.
Search: JS1 Revelation Structural Wing Test.
This is a glider wing snapping.
I was there, in fact, I welded the frame that is bolted to the floor, to hold the spar at the wing root. The designer of the wing predicted the spot where it would fail, within 50mm, and the load at which it would fail within 1%.
The digital readout shown is the safety factor, above designed loads. It failed at 1.74 times the 5.5g (total glider mass) load.
 

FIVEDOOR

Well-known member
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1000+ Posts
Fellow Frogger
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Jun 25, 2011
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23,360
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Brisbane Qld
I don't know how to add a YouTube link.
Search: JS1 Revelation Structural Wing Test.
This is a glider wing snapping.
I was there, in fact, I welded the frame that is bolted to the floor, to hold the spar at the wing root. The designer of the wing predicted the spot where it would fail, within 50mm, and the load at which it would fail within 1%.
The digital readout shown is the safety factor, above designed loads. It failed at 1.74 times the 5.5g (total glider mass) load.
The amount of flex in wings is amazing, even more so with some of the massive airliners

://www.youtube.com/watch?v=LWugm96y1EY

Copy and paste the YouTube URL and delete https from the beginning of the line leaving : and what follows and it should work. See my link above>
 
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