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Watch a 737 built in 136 seconds.

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posted on Mar, 21 2015 @ 07:43 AM
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a reply to: Voyager1

Ultrasound is one way. Many years ago they had to do a special NDI check of our C-135s. They took an ultrasound probe and oscilloscope, and circled every rivet on the aircraft. Where any cracks were the scope would show a spike.




posted on Mar, 22 2015 @ 06:15 AM
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a reply to: Zaphod58

That's interesting Zaphod58. If a crack is found how is it repaired?



posted on Mar, 22 2015 @ 06:34 AM
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a reply to: Voyager1

There are various ways. They can run stringers across it to strengthen the area, all the way up to cutting that section out and putting a small plug into place.
edit on 3/22/2015 by Zaphod58 because: (no reason given)



posted on Mar, 22 2015 @ 01:01 PM
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a reply to: Zaphod58

Ultrasound: Is there anything it can't do?™

Coming from a completely different field (Hint: It's kind of like being a mechanic, but the machines you fix are lot squishier and more temperamental), it's nothing short of amazing to see the capabilities that ultrasound has given us in the past 5-10 or so years. It's so useful for so many different things that you start to wonder how the industry ever got by without it.



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