She's an indoor and garden cat and we just moved, so this is totally new to her.
Seems unsafe.
this post was submitted on 17 Oct 2024
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Yeah, probably best to keep your critters away from machinery designed to cut stuff
She is keeping her distance and both me and my neighbour are watching closely.
If a lawnmower hits a rock, it can project it with deadly force. That’s why lawnmowers have guards on the side facing the driver, and warnings to stay a dozen or more feet back.
Lawnmower robots have much smaller blades with less inertia. I don't doubt a direct hit would hurt, but rocks just won't get thrown very fast by it. A direct hit would also be pretty hard to achieve because the skirt stops anything big from getting under the robot and the blades stop immediately when it gets lifted up.
Just imagine how many lawsuits the manufacturers would have to deal with if these things were only slightly unsafe.
I've read about places banning their use at night because they kill hedgehogs.
Hedgehogs are a little different than cats
Yes, I have heard about that too, which is why I only let mine run at daytime.
That's not how physics or lawsuits work.
If they are using smaller blades, those blades are most certainly spinning much faster than the large blades of a riding or push mower. Thus you're just trading mass for speed and the energy exchange can remain largely the same. You can see this for yourself if you drop items (like a handful of sunflower seeds to simulate rocks) through a spinning ceiling fan or a smaller table fan spinning significantly faster; both can easily throw those seeds that get hit by the blades around a large room. This is how the smaller blades on a lawn mower would even be able to do the same work as the larger blades of a mower.
Also many devices, like table saws, chainsaws, and lawn mowers and considered inherently dangerous to operate. Lawsuits over injury as a result of misuse (like letting children or pets into the yard while mowing) usually have to factor in this inherent danger. There are certain safety measures in place, but I guarantee no mower operator manual suggests letting kids or pets play around a mobile set of spinning metal blades. If you fail to follow the basic instructions in an operators manual while operating a dangerous device, you don't have much ground in a lawsuit.
The difference with all those other tools is that you are always there when it runs. You are not there when the robot lawnmower is running and some cat jumps your fence, which is why it should not harm the cat.
You are kind of correct that the rpm of the robot mower blades are faster, but the blades are much lighter and most mowers even have swiveling blades that are only held straight by the centrifugal force, so they will just swivel away when they hit something.
The blades are not much more than razor blades that are mounted on a plastic disc with one screw each. You wouldn't want to put your hand into the spinning blade, which is very hard to do anyway, but there is just not enough power to throw rocks with any significant force.
I would be able to put my finger in the way of the blades if they were completely blunt and I would not get hurt very much if at all, doing the same thing on a normal mower would be a very different story.
If they are using smaller blades, those blades are most certainly spinning much faster than the large blades of a riding or push mower
No, why would they need to? Grass is insanely easy to cut, so long as you have a decent amount of blades, torque, and can get the cut grass out of the way of the blades then you absolutely don't need speed
See: scythes
Good point. I'll take care not to let her out when the mower is running.
That shit fucking hurts. I thought it broke my finger. I was very fortunate
Looking around like "yo! Is anyone else seeing this!?"
“This mockery of my primacy is an outrage.
I’m offended by the mere existence of this contraption.
Why must I endure this grotesquery?
I pity this fool and hate everything about him.
Yet, curiously, my intrigue is both utterly enthralling and unbearably delicious.”
Aww. Looks like her fur is standing on end. But she's pretty brave, getting so close to the Ungeheuer (monster). Nice to see her exploring her new home.
Nah she's a maine coon mixed breed, that's her normal fur. She is cautiously brave. Maybe because she has been watching it through the terrace doors so she knows it doesn't do any sudden movements
I was really hoping that I wasn't about to watch a cat get turned into hamburger meat.
She'll get use to quickly. Our neighbour's cats were like that at first, now they sit next to the charging pad like they own the place. They still get worried when it happens to be moving their way tho.
The height of the grass along the wall of the house 😳