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i was out mowing the lawn for the third time in 10 days (summer in florida) when i came up with a better idea to quickly accomplish the task. What if there were multiple weed wacker heads spread carefully through the lawn sprinkler style? Each head could cover roughly a 10 foot diameter. You could
just push a button and bam, the entire lawn is istantly cut. Problems to be worked out include pets and friends visiting. Would do wonders for door to door salesmen though...
Instant Laser Mower
http://www.halfbake...ant_20Laser_20Mower
Same idea with lasers instead of plastic line. This one does have certain obvious advantages. [phoenix, Oct 04 2004]
[link]
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Put edible things on ground, wait for pigeons... |
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Hopefully they would disappear down into the lawn after use. Otherwise you'd be forever tripping up over them. |
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Also. weed whackers are what we brits call "strimmers" I believe. A problem with these is that they liquidise any wildlife that incautiously crosses their path. If you can put up with the moral and bare foot yuck factor implications of pureed beetles, butterflies, slugs. toads etc. Go for it! |
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See link for various issues and resolutions. |
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Any chance this could be moved to Home:Lawnmower? |
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There's also that little issue with circles, you know, being circles and all. You're going to have all sorts of little bits that still need to be cut down through a secondary system. |
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Also, are these things going to be able to get up to speed quick enough to avoid either coiling around the center, or tearing up the lawn around the edges? |
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Couldn't I just pay the kid next door five bucks to do this anyways? |
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well, I was thinking that the heads could pop up, like those sprinkler systems. I agree rapid, The heads would have to have some kinds of line feeder, otherwise it would just tangle when it starts spinning. Wildlife would be a problem, but I wonder how dangerous all those insecticides and pesticides are...maybe a late night cycle, with a precycle to scare animals or people. A half power spin or something? |
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$5.00?! You must have a tiny lawn. |
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I shall now solve all of your problems. |
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1. Size: just have them every foot or so.
2. Tangle factor: have them come on one at a time
3. Bugs/people: well, you solved this one with the warning cycle - do it in the day to avoid bugs, and start with warnings to scare off people/pets. |
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This system would be extremely dangerous. And in my own yard, too. Excellent!!
I'd be just a teensy bit skittish about standing on the lawn when the precycle alarm goes off. ...Was that my neighbor's or mine...? ...hmmm... |
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and just think of the power required to run it: maybe
only 75 or a hundred lawnmower engines all over the
place. |
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<wrrr/>
<°¯)( ( ) }<; ;
</wrrr> |
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Hell, make it a sprinkler head, too, and have the whole thing run off water pressure. That way you mow and water at the same time. |
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//That way you mow and water at the same time//
...or chop and marinade in [thumb]'s case. |
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Since it's already dangerous, use high enough pressure and you can mow with water. |
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Or install robotic hands with scissors that pop out of the ground. |
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whatever it is, make it chase my dogs off the lawn when
they start to pee--I'm tired of all the brown spots. |
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"Where are the kids, dear?" |
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"They're camping in Danny's backyard." |
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"The Futterman place? Oh god NO!" |
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electric motors would be a must. Plus it would cut down on pollution >see suburban goat herds<
Dangerous? yeah, but definitely exciting! A fool proof way to ward off in-laws. |
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all you have to do is get yourself a circular lawn . then all you need is one giant one of these crazy things. anyway who cares about bugs?(i never see anyone checking not to step on bugs when walking on grass so why get all friendly now?) if you had one which slowly released as it gained speed ten it shouldnt get all mangled in the grass from being to slow. maby use some fine cheese wire with a weight on the end. i think this is a wicked idea init! |
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would one large strimmer (ww) work as well through the entire length of the plastic thread or whatever it is? I just picture the end foot or so as doing the business and the rest just pushing the grass over. |
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its a speed thing isn't it? the end of the strimmer thread would be going like the clappers. |
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It would be easier to hire a helicopter for the day and make an inverted pass over your lucious lawn. Probably less dangerous too.....or not. |
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if your all of a sudden talking about actually trying to use
5 ft.(10 ft dia) of string trimmer string, no way man. my
gas powered string trimmer bogs down if I let out even 12
inches of string. I don't know the power requirements to
get 5 ft of string cutting, but as aluded to by po, by the
time the inside is cutting, the outside will be going mach
6 or something. You're gonna need some serious hp to
get that going. |
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A few chopped-up squirrels would be one thing. The result of applying 100 rotary whackers to a couple of undetected lumps of dog poo would be a different thing. Hitting the fan, indeed. |
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Then again maybe that's a plus - an incentive to keep your lawn tidied up on a regular basis, lest you suddenly have to do a lot of window cleaning... |
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I think thrown rocks might be a problem. I don't see a problem with the edge cutting thing. For such a large radius, you would have to have a retractable line anyway. As the line advances, it cuts the grass. Since only the grass at the edge of the line is cut, there's nothing to bog the motor down. This is how a regular lawnmower works, too. Only a few inches on the edge of the blade are actually sharpened, not the entire length. I think hydraulic or pneamatic motors would be the best bet here. Only one electric motor. Only let one head run at a time. Anyone know the maximum R.P.M's a hydraulic motor can turn? |
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mr_im, thank you. so "going like the clappers" is mach 6 -ish. I have often wondered what the correlation was. |
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Put a sensor on each head to detect when an object grows / arrives / falls within its cutting range. Short delay, then start, run a few seconds, stop, retract. |
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Now I can mow my lawn by just walking around on it... and makes an exciting game of "snake", too. |
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