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Grass Trimmer machine ( Portable)

  1. Apr 17, 2013 #1
    Hi everyone, is it possible to build a grass cutter that can cut grass and vacuum it at the same time?
     
  2. jcsd
  3. Apr 17, 2013 #2

    Danger

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    Maybe it was a homebuilt unit on Daily Planet.. my memory fails me, but I know for sure that I saw it somewhere.
    On the other hand, I can't figure out why anyone would want to do that, when simply bagging the cuttings is so much easier and cheaper and more convenient.
     
  4. Apr 17, 2013 #3
    Doesn't the blades of the mower act as a fan already, so it in a way already is a vacum?
     
  5. Apr 17, 2013 #4

    Danger

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    I'd say that they're more of an impeller. They throw the cuttings against the inner surface of the mowing deck. Where that surface is removed to form a chute, the debris goes out and gets bagged (or just strewn about the yard).
     
  6. Apr 17, 2013 #5

    AlephZero

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    On an industrial scale, it's better to cut the grass and let it dry a bit before you hoover it up...

    Chopping_Grass_for_Silage_-_geograph.org.uk_-_1343401.jpg

    But you may need a nano-scale version of this to use in your back yard :smile:
     
  7. Apr 17, 2013 #6

    Danger

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    Depends upon location. If he lives in Canada, that could be his back yard. (My signature refers to the time when I parked a Cessna 150 in my friend's yard.) :biggrin:
     
  8. Apr 17, 2013 #7
  9. Apr 17, 2013 #8

    Danger

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    Okay, that's a different scene. I thought that you meant a lawnmower, which is what we use in North America for most cutting. What you picture is a weed whacker. That's for tight areas or stuff that is too tough for a mower. Given its limited scope of use, it would be a lot easier and cheaper to just take after it with a rake. Think of all the crap involved in power take-offs and sucking and ducting and carrying bags around... :surprised
     
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