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Do Robotic Lawn Mowers Work

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Husqvarna Automower 115h Robotic Lawn Mower

Watch How Husqvarna Automower® Robotic Lawn Mower Works

Husqvarna has been a leader robotic mowing for over 25 years. Top technology, research, and innovation give Husqvarna robotic mowers impressive cutting results and reliability.

The Husqvarna Automower 115H is a robotic lawn mower that can handle yards up to 0.4 acres . The Automower comes with everything needed for the simple DIY installation, including boundary wires and the patented guide wire that helps the mower return efficiently to its charging station.

The cutting height can quickly be adjusted to anywhere from 2 to 3.6 inches. The weatherproof mower can be programmed to cut any time in the day or night.

Worx Guide To Choosing And Using Robotic Lawn Mowers

A great looking lawn doesnt have to mean giving up your weekends to cut the grass, or spending thousands of dollars per year on a lawn service. Robotic lawn mowers offer a convenient, reliable alternative for regular lawn maintenance that lets you spend more time doing the things you love. If a beautiful lawn with less work, pollution, noise, and expense sounds like a good idea, then a robotic lawn mower may be right for you.

Installing The Boundary Wire

This boundary wire is something you must install yourself. But most manufacturers recommend you let them do it, since the way in which you install this wire will significantly impact your mowers performance.

Unfortunately, this is rarely included in the cost of your mower, so if you do go this route, expect to pay an additional $500 on top of what you spent on the mower.

Why not use GPS? You might be asking.

A valid question, especially since you have likely seen that some robot mowers, such as the Worx Landroid WR147, come equipped with GPS capabilities. But the issue with GPS is that it is still only accurate to within 10 feet or so. This is fine when youre driving in a car, but when youre dealing with the tight spaces on a lawn, ten feet can make a huge difference.

Therefore, robot lawn mowers that do work with GPS usually use it to track the mowers progress, or to locate it in the event it should get stolen or wander off to somewhere it shouldnt be.

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Robotic Lawn Mowers Are Really Quiet

Almost all robotic lawn mowers work extremely quietly, reaching not more than 65 decibels, which in many cases can already be quiet enough to let them mow during the night.

There are some brands whose models are even quieter, such as the HUSQVARNA Automower line, or other affiliated brands like MCCULLOCH, FLYMO or GARDENA, which all belong to the Husqvarna Group. Their models usually reach between 55 and 60 decibels. In the very near future there will even be robots that only emit as much as 50 decibels, like Toadi, for instance. For comparison: Your refrigerator will probably reach about 55 decibels.

Your Lawn Will Look Better

How Do Robotic Lawn Mowers Work?

Due to the way robot lawn mowers are designed to work, your lawn will be much greener and healthier, with fewer weeds, and will look neatly cut all the time.

I really like my lawn to look well. I used to spend quite a lot of time applying fertiliser and weed killers, manually removing weeds, aerating and dethatching my lawn. Unfortunately, my actions were contributing to the poor condition of my lawn and to the establishment of weeds.

I didnt have time to cut my lawn frequently enough to keep weeds at bay. I removed the cuttings every time the grass was cut, which removed essential nutrients from the soil.

After applying fertilizer, my grass would be weed free and vibrantly green for a few weeks, but then it would slowly become less vibrant and weeds would re-establish themselves.

Robot lawn mowers have three main mechanisms to make your grass look better.

  • They mulch the clippings. Instead of removing the clipping and therefore the nutrients from the grass, the clippings are mulched into very fine pieces and are returned to the lawn. As the clippings are so fine, they drop down to soil level, where they are able to return their nutrients to the soil for the growing grass to use.
  • They cut the grass very frequently. Due to the frequent cutting of the grass, weeds simply cannot establish themselves and you will notice after a few short weeks of using a robot lawn mower that you have fewer weeds in your lawn.
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    How Does A Robot Mower Work

    The better question perhaps is, how does a robotic lawnmower know where to go without venturing off into places where it shouldnt be? Before you let it loose in your property, you will need to adjust the boundary wire or barrier. Itll utilise an electric wiring system that makes an invisible perimeter. Because of this mechanism, the robotic lawnmower stays within this barrier and knows where to go. The initial adjustment may take some time however, when its properly configured, your little robot will do the job as expected.

    Under The Hood Some Basics On How Robotic Mowers Work

    Most robotic lawn mowers are powered by lithium-ion rechargeable batteries, but there are also models that use lead acid or nickel cadmium batteries. The devices ship with charging bases that act as docking stations and can be plugged in to outdoor outlets to recharge your mower. When a robotic lawn mower detects that its battery is running low, or its work has been completed, it will return to its charging base on its own. Robotic lawn mowers require a very small amount of power compared to their gas-powered counterparts.

    Robotic lawn mowers are designed for different use cases and some can cut up to 5 acres on a single full charge, but most consumer models are generally designed to be able to cut up to 1.25 acres, which is more than enough for most users. Some advanced devices, such as the Husqvarna Automower 435X, implement AI learning software that enables them to learn to be more effective each time they cut your lawn by avoiding areas in which they have previously detected obstacles and also means they can avoid cutting the same areas twice whenever possible. Worx is another robotic lawn mower manufacturer that offers models, such as the WR140 Landroid and the WR150 Landroid, which implement their own patented AIA technology to achieve similar results. Here is a video showing how the Worx AIA technology works:

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    Robotic Mowers Do The Work

    Yes, robotic mowers do work. You will need to invest some time at the beginning to set the robotic mower up, but this is simple and can be done by anyone with basic DIY skills. In summary, you basically need to run a perimeter wire around your lawn and any obstacles such as flower beds that the mower needs to avoid. Set up some basic configuration options on the mower itself, this can also be done via a app on your mobile phone or tablet , then press the Go button and you are good to go.

    Some people are also concerned about the on-going maintenance required for robotic mowers, however I can assure you that this only needs to be done on an annual basis and is significantly less time consuming compared to cutting your lawn on a weekly basis.

    If you have any physical disability or are frail and would find it hard to push a heavy petrol mower around your lawn , then there is no better solution than to install a robotic mower.

    Remember, the newer robotic mowers can deal with steeper slopes too. Some even come with a 4 wheel drive. Again this will prevent you from having to struggle to cut slopes in your garden with a standard push lawn mower.

    The Four Main Systems That Make Robot Lawn Mowers Work

    How Does Automower® Robotic Lawn Mower Work? | Husqvarna
  • A set of spinning blades that are powered by an on-board motor and battery.
  • A chassis with wheels attached to a motor and battery, which enables the mower to travel around your garden.
  • A basic and low power computer system which enables the mower to use logic and algorithms to determine what path to take across your lawn to ensure that it all gets cut.
  • Boundary definition using a low voltage perimeter wire.
  • There is of course much more to them than this, but these are the essential features that combine to get the job done.

    Generally, robots are capable of much more impressive feats than those displayed by the current crop of robot lawn mowers on the market. However, the designers and manufacturers are creating a consumer product and there are a number of competing requirements.

    It is technically possible to build a robot that does a much more efficient job of cutting your grass, avoiding obstacles and cutting the lawn in the most efficient manner possible. Visual recognition systems could detect the height of the grass and the geography of your lawn. The computer could build a map of the garden over time, including mapping permanent and temporary obstacles and pro-actively avoiding them.

    However, the complexity and cost of manufacturing such a machine would put it out of the reach of most consumers and result in the failure of robot lawn mower companies.

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    Robot Mowers Are Safer Than Conventional Lawn Mowers

    The safety aspects of robot lawn mowers cannot be overstated. Conventional lawn mowers are consistently the most hazardous piece of garden machinery in use today.

    Over 80 thousand people attend the emergency department each year in the United States with a lawn mower related injury. Certainly, when I used to use a conventional lawn mower, the poor safety record of these machines was never far from my mind and probably played a role in the decision making process causing me to make the switch.

    According to one of the leading manufacturers of robot lawn mowers, a robot lawn mower has never caused an injury resulting in attendance at an emergency department. I think this is a staggering statistic if it is true. From my research I have not been able to disprove this. Certainly there are multiple reasons why robot lawn mowers barely comparable in terms of safety compared to conventional lawnmowers.

    Robot lawn mowers use much smaller, lower powered blades. The blades are tucked well under the machine and the user does not have to go anywhere near them while the robot lawnmower is an operation. Robot lawn mowers have lift and tilt sensors and will initiate an emergency stop of their blades in a fraction of a second if there is any interference with the machine which could result in an injury. Read more about the safety aspects of robot lawn mowers here.

    How Does Robotic Lawn Mower Work

    Robotic lawn mowers make life so easy for us. With them, no gardener or garden owner has to go through the stress of mowing their lawn themselves. You will even be surprised that these robots perform the job better than you, and they dont even need any help from you to do so.

    So, arent you curious? How do these robots manage to work on their own? Lucky you, the answer to this question is what weve provided here. Why dont you relax and get enlightened?

    Table of Content

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    Heres What One Reviewer Said About Her Mowro Robot Lawn Mower:

    The razor blades seem to do a great job cutting my grass down. I did not do a pre-mowI wanted to put the mower to the test. It did great! Now with the mowing every 48 hours, only millimeters of grass is taken each time, which keeps it looking awesome and healthy. It mulches the grass further providing nutrients. Talk about a win-win.

    One night I watched it mow, only to be surprised by a pop-up thunderstorm. It quickly realized it was raining, made its way to the boundary wire, and followed it home to the charging station. It then resumed mowing the following day at my scheduled time. Pretty awesome! I must say that I am fascinated by it. It definitely saves me time because I am only needing to edge my backyard.

    My backyard is no lush green oasisit is very uneven, has multiple areas of roots, dead patches from dog urine, a small area with a steep inclinebut have no fear, the MowRo tackles it all without any issues. I am impressed.

    • | $999.99

    With a cutting range of 1.5-3.1 inches and a 3-blade cutting & mulching system, the Worx Landroid M will ensure your lawn stays both trimmed and healthy! The mower is also pretty smart by having WiFi connectivity and automatic software updates, so you dont have to worry about having the latest tech.

    It Will Protect Your Lawn

    They look cool but do robotic lawn mowers really work?

    Cutting the grass is a necessary part of lawn maintenance, but the average lawn mower can do some minor damage as you do the work. Whether you are using a push mower or a ride-on mower, these are heavy pieces of equipment and they can push or wear down the turf as they work.

    The Landroid robotic mower is much lighter than even a small push mower. Weighing in at just over 20 lbs, this lightweight piece of lawn equipment can cut the grass without causing the same level of damage that you might get from heavier mowers.

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    The Best Robot Lawn Mowers For 2021

    If you’ve got better things to do than spend every Saturday pushing a noisy gas-powered mower around your yard, consider investing in a robot lawn mower and letting it do the work for you. Get started with some of the best we’ve tested.


    • Includes Wi-Fi and GPS radios.
    • User-friendly mobile app.


    • Excellent cutting and edging performance
    • Slick mobile app
    • Includes Bluetooth, cellular, and GPS radios
    • Quiet

    Mow Your Lawn Based On Your Preferences

    Customized programming with the WORX Landroid mobile app is recommended for optimal results. Use it to calculate the lawn size for improved efficiency, program custom mowing schedules, set up multiple zones for separate schedules, check the mowers status remotely, and more. The mower can also be programmed via an onboard LCD screen.

    Landroid features reliable weather resistant construction, but it knows not to mow in the rain. The onboard rain sensor will send it back to its charging port when precipitation starts. Afterwards it will pick up right where it left off. Add the optional Landroid garage for improved seasonal protection from heavy rain and hot sun.

    The modular operating system includes several upgrade options, including an Anti-Collision System that uses ultrasonic detection to avoid obstacles without bumping them first, Find My Landroid GPS anti-theft tracking system, and Off Limits digital fencing to create no-mow zones within the lawn. The optional Landroid Radio Link boosts the wifi connection up to an additional .62 miles. It maximizes the mowers AI capability by maintaining an unbroken connection to the cloud an excellent add-on for large properties. Powered by a 20V MAX Lithium 4.0Ah battery, Landroid is part of the WORX Power Share platform that includes more than 35 cordless power tools.

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    How Long Can A Robotic Lawn Mower Last

    As weve established, all robotic lawn mowers are battery-powered. But how long can you expect a robotic lawn mowers rechargeable battery pack to last? According to PC Mag, batteries on entry-level models, or those most often used for small yards, can last up to 30 minutes. Opt for a high-end mower, and it could last for up to four hours.

    The good news is that recharging a robotic lawn mower isnt all that difficult. The robot charges, and then goes out and mows, and then it comes back and charges again, and then goes out and mows again, Newman Aguiar of Mowbot of the Triangle explained in an interview with LawnStarter. It is an autonomous machine that manages itself and decides when to mow, how frequently it needs to mow, whether the grass actually needs to be cut.

    Robotic Lawn Mower Requirements

    How Robotic Automated Lawn Mowers Work

    Although theyre fully automatic once set up robotic lawn mowers are more complex initially compared to a traditional, petrol, electric and cordless mower.

    Firstly, a robotic lawn mower requires an outside power source to connect the docking station to. The mower will then dock and recharge when necessary.

    There are requirements when it comes to the docking station itself, too. Ideally it should be out of direct sun and level. Most also need a clear area around them typically two metres to the front and a metre each side.

    This can limit where you can place the docking station, especially in a small garden.

    Accessing the layout is also essential before purchasing a robotic lawn mower. Some models can struggle with narrow passages, uneven ground and steep slopes.

    Finally, they need installing and the boundary wire laid. Robot lawn mowers may be expensive but many models include installation by a dealer in the price. They will assess your lawn, lay your boundary wire for you and show you how to programme and operate the keypad.

    Cheaper mowers can be installed without any professional guidance but the instructions must be followed precisely for the robotic lawn mower to run correctly.

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    Q: How Do I Use A Robot Lawnmower

    Instead of sucking up dirt and debris on your floors, robot lawnmowers are there to make sure your grass is always cut and looks great. The lawnmower uses a rechargeable battery for power instead of gasoline, like many traditional models. You can program it to mow a certain part of your lawn at a specific time of day. Many also offer compatible smartphone apps so you can do all of the scheduling in just a few taps.

    Instead of storing the grass clippings in a bag for your to empty, all robot mowers mulch the grass. That means it is cut up in tiny pieces and returned back to the lawn for extra nutrition.

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