Frazz by Jef Mallett for October 30, 2011

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    RichHobbes  about 13 years ago

    He’s not going anywhere! Like standing on a sailboat and blowing the sails!

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    LLABDDO  about 13 years ago

    He got the idea, from Wile E. Coyote. The bag should say ACME on it.

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    tborgerding  about 13 years ago

    MYTHBUSTERS SHOWED THAT THIS ACTUALLY WORKS

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    SusanSunshine Premium Member about 13 years ago

    Okaaaaay…… I’ve never seen this, so my reacttion was the same as Rich Hobbes’.

    If it does work, which direction does he go?

    There’s no hole in the bottom of the bag for jet propulsion….

    so does the air actually turn around and rush back out the top, then, and propel him in the direction of the bag?

    Pretty counter-intuitive!

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    Olddog1  about 13 years ago

    He’d go faster without the bag. If the bag pulls him won’t he be going backwards?

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    RonaldDavis  about 13 years ago

    Without the bag, he would in principle be driven backward, but I don’t think the force would be great enough to overcome friction, because I have never even noticed reaction force when using a leaf blower.

    With the bag, he could go forward if it is suitably shaped, because air is drawn in from all directions but the bag would primarily emit air backward. I would not have expected that configuration to be more effective, but maybe the difference is due to entrained air; it is sent backward at lower velocity but higher mass-rate. I am thinking about how the first jet engines emitted a narrow, concentrated blast, but modern jet engines are more efficient, because most of the air that they take in bypasses the combustion chamber and only adds to the mass flow rate.

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    tigre1  about 13 years ago

    Wheee. Almost wet my pants…

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    gmforde  about 13 years ago

    Another use for duct tape! lol

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    Elderflower  about 13 years ago

    I think it would work, but I don’t think he’ll go very fast.

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    Boise Ed Premium Member about 13 years ago

    Me, I’m trying to figure out how it’s going to ruin his jeans. If the kid is just going to, er, brown the jeans, that wouldn’t be cause to throw them out. Maybe the blower leaks oil?

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    Kroykali  about 13 years ago

    Ok, I’ll fess up, I don’t understand how it’s going to ruin his jeans either.

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    Miserichord  about 13 years ago

    I suspect Frazz doubts he’ll be staying on the board very long.

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    zerotsm  about 13 years ago

    He’s going to fall and rip up his pants.

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