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(YouTube)   The physics behind a successful slapshot and why hockey sticks snap. Warning: There will be math. But there's also cool super slow mo   ( divider line
    More: Cool, audio books, slow motion, UAH, Vision Research  
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3657 clicks; posted to Sports » on 30 Mar 2014 at 10:37 PM (3 years ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»

COLD HARD SCIENCE: SLAPSHOT Physics in Slow Motion - Smarter Every Day 112

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Download a free Audio book:
Infographics are Here:

I shot the skaters with a Phantom MIRO LC320S made by Vision Research:​igh-Speed-Cameras/Phantom-Miro-M320S/ Most speeds were around 3271 fps, but I shot the full body shot at 1200 fps.

Smarter Every Day Infographics are Here:

Slow Motion sound design made by Gordon McGladdery, "A Shell In the Pit". Gordon's work is awesome, you should check it out. I like his music.

Hockey Stick Rigidity data plotted, and equations formatted into LaTeX format by Will Leahy:

"Whippness" Graphic, and shear moment diagrams by:
Emily Weddle Design
With thanks to:

My friend Dr. Jeff Evans. Tenured Mechanical Engineering professor at UAH

UAH Director of Hockey Operations Nick Laurila

The nameless UAH Hockey player

Go Chargers!


The stick rigidity data collected by Dr. Evans and I is not a formal reflection on the manufacturers because the sticks were previously used and we could not find an ASTM standard to setup our test. The possibility exists that I put the support positions too close together, which would make the values lower. The players however gave us the sticks because they were "so used they were now flimsy". Our data reflected this. If I had it to do over again I would test a new stick vs an old stick. Kettering University has done some research on this subject and we tried to setup our test apparatus similar to theirs. They applied the force to the foot of the stick. We applied the force to the center.​ck-check

I thought this was a great video of a product that has normalized the process by constraining the 1 inch deflection measurement.​-9I

Tweet ideas to me @SmarterEveryDay


This episode graciously supported by several people via Subbable and Patreon. Two such supporters are
Mike Ledermueller, and Gabriel S. Redner
who both support via Subbable.

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