# X-ray of a yo-yo

**URL:** <https://forums.yoyoexpert.com/t/x-ray-of-a-yo-yo/335372>\
**Category:** General Yo-Yo\
**Created:** [March 10, 2021, 8:46pm UTC](https://forums.yoyoexpert.com/t/x-ray-of-a-yo-yo/335372 "2021-03-10T20:46:50Z")\
**Posts on this page:** 11\
**Page:** 1

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**Author:** ![the5th005](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/the5th005/32/114769_2.png) [@the5th005](https://forums.yoyoexpert.com/u/the5th005)\
**Post date:** [March 10, 2021, 8:46pm UTC](https://forums.yoyoexpert.com/t/x-ray-of-a-yo-yo/335372/1 "2021-03-10T20:46:50Z")

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Really wanted to show this off.  
I’m in school for non destructive testing and I got the chance to X-ray two of my yo-yos for fun  
Left is a top yo Silenus and right is a clyw pickaxe.  
Thought it’d be cool to show everyone. Also the bearing on the pickaxe still had its rings to cover the bearing.

 ![image](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/9/8/c/98c694212b10a9c690caf9400598d652647044a3.jpeg)

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**Author:** ![DCM92Lude](https://avatars.discourse-cdn.com/v4/letter/d/8c91f0/32.png) [@DCM92Lude](https://forums.yoyoexpert.com/u/DCM92Lude)\
**Post date:** [March 10, 2021, 8:50pm UTC](https://forums.yoyoexpert.com/t/x-ray-of-a-yo-yo/335372/2 "2021-03-10T20:50:24Z")

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Looks like the Silenus Could use a longer axle, lmao.  
That’s real cool, thanks for sharing!

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**Author:** ![Exmime](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/exmime/32/40143_2.png) [@Exmime](https://forums.yoyoexpert.com/u/Exmime)\
**Post date:** [March 10, 2021, 8:52pm UTC](https://forums.yoyoexpert.com/t/x-ray-of-a-yo-yo/335372/3 "2021-03-10T20:52:55Z")

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This would be a good way to reverse engineer an old favorite Yo-Yo

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**Author:** ![Biased\_Opinion](https://avatars.discourse-cdn.com/v4/letter/b/7ba0ec/32.png) [@Biased\_Opinion](https://forums.yoyoexpert.com/u/Biased_Opinion)\
**Post date:** [March 10, 2021, 8:57pm UTC](https://forums.yoyoexpert.com/t/x-ray-of-a-yo-yo/335372/4 "2021-03-10T20:57:45Z")

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When I first read this topic I thought “naw this can’t be real” but I guess it surely is

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**Author:** ![the5th005](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/the5th005/32/114769_2.png) [@the5th005](https://forums.yoyoexpert.com/u/the5th005)\
**Post date:** [March 10, 2021, 8:58pm UTC](https://forums.yoyoexpert.com/t/x-ray-of-a-yo-yo/335372/5 "2021-03-10T20:58:18Z")

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I realized the same thing and that’s the axle it came with

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**Author:** ![Ducto](https://avatars.discourse-cdn.com/v4/letter/d/8e8cbc/32.png) [@Ducto](https://forums.yoyoexpert.com/u/Ducto)\
**Post date:** [March 10, 2021, 11:06pm UTC](https://forums.yoyoexpert.com/t/x-ray-of-a-yo-yo/335372/6 "2021-03-10T23:06:15Z")

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super cool, and a lot less expensive than cutting yoyos in half

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**Author:** ![JSERR](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/jserr/32/186876_2.png) [@JSERR](https://forums.yoyoexpert.com/u/JSERR)\
**Post date:** [March 11, 2021, 6:27am UTC](https://forums.yoyoexpert.com/t/x-ray-of-a-yo-yo/335372/7 "2021-03-11T06:27:20Z")

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Hey the doctor said my medical records were confidential!!! How the heck did you get the scans of… oh wait no that’s not a model I own. My bad.

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**Author:** ![JSERR](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/jserr/32/186876_2.png) [@JSERR](https://forums.yoyoexpert.com/u/JSERR)\
**Post date:** [March 11, 2021, 6:28am UTC](https://forums.yoyoexpert.com/t/x-ray-of-a-yo-yo/335372/8 "2021-03-11T06:28:55Z")

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I mean my X-rays costed me close to a grand a piece. A little more than most yo-yos. I say we need to get a CT scan just to be sure this is really a yo-yo.

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**Author:** ![HappyHands](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/happyhands/32/93016_2.png) [@HappyHands](https://forums.yoyoexpert.com/u/HappyHands)\
**Post date:** [March 11, 2021, 9:38am UTC](https://forums.yoyoexpert.com/t/x-ray-of-a-yo-yo/335372/9 "2021-03-11T09:38:21Z")

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Wow. I love that Ty.  
The really light areas have more weight. It’s a really unique way to see yoyos.  
Mind blown 🤯

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**Author:** ![AKYOYOMIKE](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/akyoyomike/32/286732_2.png) [@AKYOYOMIKE](https://forums.yoyoexpert.com/u/AKYOYOMIKE)\
**Post date:** [March 11, 2021, 10:19am UTC](https://forums.yoyoexpert.com/t/x-ray-of-a-yo-yo/335372/10 "2021-03-11T10:19:11Z")

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Very cool. Brings me back to my school days. I had a shot of my bumble bee but i lost the xray and that was pre smartphones so no records.

Xrays are absorbed by material depending on the density. The more dense the brighter it appears, the less bright means that the Xray is passing through less dense material.  
This is way cooler then my bumble be because plastic is way less dense then Aluminum.

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**Author:** ![Shwa](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/shwa/32/108351_2.png) [@Shwa](https://forums.yoyoexpert.com/u/Shwa)\
**Post date:** [March 11, 2021, 12:04pm UTC](https://forums.yoyoexpert.com/t/x-ray-of-a-yo-yo/335372/11 "2021-03-11T12:04:02Z")

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If anyone wants this done as a service let me know. Industrial CT (Computed Tomography) is part of what my company does. Perfect for reverse engineering.

Manufactures specifically could rule out voids in all of their stock. Not sure how common that it but I know it happens.
