424 - Inside an engine
Tuesday, December 02, 2008
"Piston, valves and spark plug all clearly show that simple action to make engines run. High pressure and miniature temperature resistant 1000fps camera was used."

I am personally shocked at just how much vibration is going on in there. And at such a high rate - 100s of hz, far faster than one piston cycle.
posted by High Power Rocketry @ Tuesday, December 02, 2008  
  • At 12/2/08, 10:32 PM, Blogger thimscool said…

    Cool vid. Many things are shaking that sensor, and not just the motion in that chamber. But the vibration does increase during the compression/decompression swings... perhaps it was a mounting issue.

  • At 12/2/08, 10:33 PM, Blogger R2K said…

    Thim you do cars?

    I think the airflow might have something to do with it, intake and exhaust...

  • At 12/3/08, 4:36 AM, Blogger Arjan said…

    very cool vid. About the vibration..well you always see exhaust pipes vibrate violently and with all the combustion going on in an engine it's not that hard to imagine things are going to shake a bit :P

  • At 12/3/08, 11:35 AM, Blogger King of New York Hacks said…

    awesome video..sexual devices will now change the world. lol

  • At 12/3/08, 9:53 PM, Blogger thimscool said…

    These days it's computers, R2K. But my training is in experimental physics.

    With what they pay grad students, yeah I did cars. Well... I did repairs on my trusty toyocoro.

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