Milkshake machine - engineers way of shaking a milkshake

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Steinar writes in with the "engineers way of shaking a milkshake"... -

"Take a powerful DC amplifier, connect it to a large woofer, feed the system with a signal generator, and at the end, just add milkshake. Of course it is also possible to measure the g-force of the shaking" - photos & video.

Posted by Phillip Torrone | Dec 5, 2006 07:45 PM
DIY Projects | Permalink | Comments (3)

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  • Was that super low frequency fed in there too?

    Posted by: trebuchet03 on December 5, 2006 at 2:06 PM

  • It looks like that, but it is only a sync problem between the framerate of the camera and the "high" frequency shaking. It is a DC system, so it could handle it. The speaker might get hot and burn, but anyway, adding a low frequency could maybe change the quality and taste of the finished milkshake ;-)

    Posted by: stolsens on December 5, 2006 at 11:48 PM

  • He's right. the apparent super low frequency is due to the said sync problem. The system works down to 0Hz, but the practical use for frequencies below 1 Hz is limited because you the q-force is limited by the stroke length of the speaker.

    Posted by: HT on December 6, 2006 at 1:19 PM


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