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Thread: Whirlwind for table saws

  1. #1
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    Whirlwind for table saws

    Hey, folks,

    Just heard a story about this on the radio. It's designed to retrofit onto old saws, including my Ridgid. Stops the blade, but doesn't harm the blade. You can get back to work immediately. No indication yet on price.

    http://www.whirlwindtool.com/

    Thanks,

    Bill

  2. #2
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    Unless I missed something, it won't help for cuts where the guard has to be moved out of the way. If you use a regular guard, you're protected anyway.

    Or, is this another April Fool's thingy???
    Bill Arnold
    Citizen of Texas residing in Georgia.
    NRA Life Member and Member of Mensa
    My Weather Underground station

  3. #3
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    Nope, not April Fool's. This one has been lurking around for awhile. One difference among many that will occupy those with time to discuss it, is that the blade could neatly cleave a finger in the amount of time required to stop the blade. Oh darn. I think I just triggered a 476 post discussion .
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

  4. #4
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    Looks like they must use a polarity change to stop the motor instantly like they do. I'd agree with Bill A. that the stock guards would probably do the job, but I could see a use for this with schools and places where inexperienced users would benefit from the added safety. The light and dust collection is a nice perk. At least if your finger did get cut off, you could see that and it would get sucked up and you'd be able to find it.
    Darren

    To a small child, the perfect granddad is unafraid of big dogs and fierce storms but absolutely terrified of the word “boo.” – Robert Brault

  5. #5
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    Quote Originally Posted by Darren Wright View Post
    ...At least if your finger did get cut off, you could see that and it would get sucked up and you'd be able to find it.
    Dangit Darren, I'm at the office and people are wondering why I'm laughing out loud.

    I'm with Bill and Glenn on this. While the 1/8 second stop time would be better than nothing, it's still enough time to do some serious damage. And not much help to those of us who consider a blade guard to be a safety issue in the first place.
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
    When the weird get going, they start their own forum. - Vaughn McMillan

    workingwoods.com

  6. #6
    I wonder what the retraction time for the SawStop is?
    Ken
    ------



  7. #7
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    The reaction speed is 1/1000th of a second

    Source
    "There’s a lot of work being done today that doesn’t have any soul in it. The technique may be the utmost perfection, yet it is lifeless. It doesn’t have a soul. I hope my furniture has a soul to it." - Sam Maloof
    The Pessimist complains about the wind; The Optimist expects it to change;The Realist adjusts the sails.~ William Arthur Ward

  8. #8
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    Quote Originally Posted by Don Baer View Post
    The reaction speed is 1/1000th of a second

    Source
    Ken's talking about the time it takes the blade to retract back into the cabinet. According to the Sawstop site, the blade is stopped within 5 milliseconds. I would assume the blade is retracted within that period of time.

    http://www.sawstop.com/how-it-works/
    When the going gets weird, the weird turn pro. - Hunter S. Thompson
    When the weird get going, they start their own forum. - Vaughn McMillan

    workingwoods.com

  9. #9
    It's important to note that the Whirlwind is designed to start shutting the motor down once you violate the blade guard BEFORE your flesh meets the blade. Thus...1/8 of second might be enough.... It's been around for some time and not much action on it so far.
    Ken
    ------



  10. #10
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    But, but, the Hot dog test! It passes the hot dog test! What more do you people need for crying out loud!
    Programmer - An organism that turns coffee into software.
    If all your friends are exactly like you, What an un-interesting life it must be.
    "A door is what a dog is perpetually on the wrong side of" Ogden Nash


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