What is a brushless lawn mower? Explained

So you’re thinking about buying a new brushless lawn mower and you’ve come across little bread crumbs on the internet talking about how great they are. Don’t worry, you’ve come to the right place! So what on earth are they? Brushless lawn mowers are a fantastic choice if you’re looking for a high-quality, durable lawn mower that will save you time and money in the long run. Let’s explore what makes a lawn mower brushless, and how that affects your mowing experience:

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Table of Contents

What is a Brushless Lawn Mower?

A brushless lawn mower is an electric push mower that uses a brushless motor and a battery which generates power. A brushless motor is specifically made so that it can run without brushes to provide electricity to the motor. This design makes the motor more efficient, powerful, and long-lasting than a traditional brushed motor. Because brushed electric motors are used in some electric push mowers, the distinction is crucial.

How a brushless motor works

A brushless motor is powered by a battery, which turns the flywheel. The flywheel is attached to the blades of the lawn mower, so as the flywheel turns, the blades rotate and cut the grass.

The key difference between a brushless motor and a brushed motor is that a brushless motor doesn’t have any brushes. Rather, the coils in the motor are activated by magnets in the rotor (the spinning part of the motor). This design makes the brushless motor more efficient because there’s no energy lost in heat due to friction (like there is with a brushed motor).

Also, brushless motors are able to create more torque (rotational force) than brushed motors, so they can power through thicker grass more easily. Finally, brushless motors don’t have any brushes to wear out, so they tend to last longer than brushed motors.

Benefits of a brushless lawn mower

Brushless motors are more difficult to construct than brushed motors, although their design has several benefits. Let’s look at a few of the most important ones:

The battery is more efficient

Because the brushless motor is more efficient, it doesn’t require as much power from the battery to run. This means that the battery will last longer on a single charge, and you’ll be able to mow for a longer period of time before needing to recharge.

The motor runs cooler

Another advantage of the brushless motor’s efficiency is that it runs cooler than a brushed motor. This is because there’s less energy lost in heat due to friction. Running cooler means that the motor can run for longer periods of time without overheating.

They don’t overheat as often

Although brushless motors create less heat than brushed motors, they do so while consuming a lot less energy. Brushless motors also use less power since the coils are located on the outside edge of the motor and are easier to cool as it runs.

The mower is quieter

Another benefit of the brushless motor’s design is that it’s quieter than a brushed motor. If you’ve ever used an electric push mower, you know that it can be quite loud. This won’t be an issue with brushless mowers. Brushless motors are extremely quiet, thanks to having no brushes (which causes friction in the motor).

They are more powerful

Brushless motors are more powerful and can handle heavier demands without slowing down. The reason for this is that the coil is positioned outside of the magnet that spins, allowing for greater winding, which results in more torque.

You don’t have to maintain them as much

Brushed motors have brushes that wear down over time and will eventually need to be replaced. With a brushless motor, there are no brushes to replace, so you won’t have to do any maintenance on the motor itself as frequently.

They only use the exact amount of power needed

The brushless motors’ electronic sensors function as a management system for how hard the motor works. Because none is wasted, battery life is improved and none is wasted.

electric mower

The drawbacks of a brushless lawnmower

So in general, you have to take the rough with the smooth so it’s only fair to look at some of the drawbacks of brushless lawnmowers:

They are usually expensive

Brushless motors are more expensive to manufacture than brushed mowers, so brushless lawn mowers tend to be more expensive than their brushed counterparts.

They cause vibrations

Because brushless motors are more powerful, they tend to cause more vibrations than brushed motors. For some people, these vibrations can be quite annoying. However, the vibrations lesson as you turn up the speed of the lawn mower.

They reverberate a lot

When the fundamental frequency of a machine’s power system matches or comes closer to the natural vibration frequency of another component, resonance may occur.

It’s a more complicated machine

A brushless motor is a more complicated machine than a brushed motor, so can break down (although not that common). If something does go wrong, it may be more difficult to fix.

cordless brushless lawn mower

How does a brushless mower measure up against a brushed mower?

The choice of whether to buy a brushless or brushed lawn mower can usually be determined by exploring a few key distinctions. I believe that looking at these parameters is the most effective method to compare the two.

Which is more efficient?

The answer to this question is quite simple: brushless motors are more efficient than brushed motors. When a motor is more efficient, it requires less power from the battery to run.

In terms of lawn mowers, this means that the battery will last longer on a single charge, and you’ll be able to mow for a longer period of time before needing to recharge. More so, their efficiencies of 80-90% versus 60-75% of brushed motors make them a clear winner.

Which is more expensive?

Generally speaking, brushless motors are more expensive than brushed motors. The price difference can be significant, with some estimates putting the cost of a brushless motor at twice that of a brushed motor.

Which is easier to maintain?

When it comes to maintenance, brushless motors have the edge over brushed motors. This is because there are no brushes to replace in a brushless motor – and brushes are the main component that needs to be replaced in a brushed motor.

brushless motor technology

Conclusion

Overall, brushless motors are more efficient, more powerful, and easier to maintain than brushed motors. However, they are also more expensive. So, let’s at the main points:

  • A brushless lawnmower is an electric push mower that uses a brushless mower to generate power
  • They are more efficient, powerful and easier to maintain
  • They are powered by a battery which turns a flywheel which then powers the blades to cut the grass
  • They create more torque and can cut through thicker grass easier
  • They don’t wear out as easy in comparison to brush lawnmowers
  • The battery more effectively converts electricity to energy which generates power
  • It runs cooler and rarely overheats
  • the mower is quieter
  • They can be quite expensive in comparison to other types of lawnmowers
  • They vibrate a lot at low speeds
  • It’s a more complicated machine which can be frustrating if you need replacement parts
dc or brushless motor

People also ask

What’s the difference between a brushed and brushless motor?

The main difference between a brushed and brushless motor is that a brushless motor is more efficient, powerful, and easier to maintain than a brushed motor. However, brushless lawn mowers are usually more expensive.

Can you use a battery-powered lawn mower on wet grass?

When you’re done mowing your grass, leave the battery-powered lawn mower outside to dry out. Because wet grass can cause water ingress and deterioration over time, don’t put your battery-operated lawn mower in water. Mowing dewy grass once in a while isn’t a problem, but mowing the lawn in rain is dangerous for both the tool and the 56V lithium-ion battery, as well as damaged equipment that poses a risk to users.

What is ego brushless?

The EGO POWER+ Hedge Trimmer comes with a 24″ dual action, hardened steel blade for precise, clean cuts and a high-efficiency brushless motor that allows for longer run times and lighter weight.

ego brushless

Is a brushless mower worth the extra money?

A brushless mower is worth the extra money because it’s more efficient, powerful, and easier to maintain than a brushed mower. The efficiency of a motor is defined by its power-to-weight ratio, commonly known as the power-to-weight ratio. Brushless motors are more efficient: they have an efficiency of about 80% while brushed motors have an efficiency of around 60%.

Do I want a brushless lawn mower?

Yes, brushless motors generate more power, last longer, and have a longer life. Depending on your requirements, you might want to consider the brushless DC motor since it will save money in terms of efficiency and longevity.

What is the difference between a push mower and self-propelled?

The main difference between a push mower and a self-propelled is that a self-propelled mower has a drive system that helps push the mower forward, while a push mower requires you to push it yourself. Self-propelled mowers can have either front-wheel or rear-wheel drive. Front-wheel drive is best for flat lawns, while the rear-wheel drive is better for hills. Some self-propelled mowers also have variable speed settings, so you can adjust the speed to match your walking pace.

 

gas powered lawn mowers
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Oliver Wright
Oliver Wright

I hope you enjoy reading some of the content and ideas from this site, I tend to share articles and product reviews on a daily basis, so be rest assured… you won’t run out of things to read!

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