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Home » How Loud Are Drones?

How Loud Are Drones?

November 23, 2021 By Parent Guide Team Leave a Comment

Table of Contents

  • Comparison Table
  • How Loud are Drones?
  • Why Are Drones So Loud?
  • Why Are Some Drones Louder than Cars?
  • What Drone Models Are the Loudest?
  • Five of the Quietest Drones on the Market Right Now
    • 1) Yuneec Q500
    • 2) DJI Phantom 4
    • 3) DJI Phantom 2 Vision HD
    • 4) DJI Phantom 3 Pro
    • 5) Parrot Mambo
How Loud are Drones?

If you live in a quiet neighborhood, then odds are you want to know to know how loud are drones before you commit to a product. Luckily, in this article, we explore why some drones are louder than others, as well as some of the quietest drones on the market right now.

Comparison Table

Preview Product
YUNEEC Q500 4K Typhoon Quadcopter with CGO3 Camera, SteadyGrip, and... YUNEEC Q500 4K Typhoon Quadcopter with CGO3 Camera, SteadyGrip, and... Buy on Amazon
DJI Phantom 4 Pro Plus V2.0 - Drone Quadcopter UAV with 20MP Camera 1'... DJI Phantom 4 Pro Plus V2.0 - Drone Quadcopter UAV with 20MP Camera 1"... Buy on Amazon
DJI FPV Combo - First-Person View Drone UAV Quadcopter with 4K Camera,... DJI FPV Combo - First-Person View Drone UAV Quadcopter with 4K Camera,... Buy on Amazon
DJI Phantom 4 PRO Plus V2.0 Drone with 1-inch 20MP 4K Camera KIT with... DJI Phantom 4 PRO Plus V2.0 Drone with 1-inch 20MP 4K Camera KIT with... Buy on Amazon
AwesomeTech Parrot Mambo Mission AwesomeTech Parrot Mambo Mission Buy on Amazon

How Loud are Drones?

Person Holding A Drone
Image source: pexels

Anyone who owns or knows someone who owns a drone is likely familiar with the loud noises the machines make when they start up. The sound, which often sounds like a tiny, miniaturized lawn mower is instantly recognizable.But exactly how loud are drones? The answer depends on two major things: the type of drone you fly and how high up in the air it is flying. Even loud drones once they reach roughly three hundred feet high cease being noisy for the average listener. At a low height produces a distinctly loud humming sound.It is true that many types of drones are louder than the average car. However, there is a good reason for this phenomenon, which we will explore later in the article. In the meantime, let us talk about what specific circumstances drones are appropriate for sound-wise.Naturally, when we talk about drones on this list we mean the electronic handheld models that anyone can buy and register. Unmanned UAV drones that fly miles above the sky are quite a lot louder than the electric models, but we cannot hear them when they fly because they are too high up.Still, these civilian electronic drones traditionally get a terrible rapt as noisy bits of aircraft that distract people in public space. While it is true that the sound of a loud hum can be quite abrasive to someone who is not used to it, when you compare the sound of a car or motorcycle, it is not that bad.Indeed, the noise pollution from drones is not as big a deal as some people make it out to be. However, you should know why your drone makes the sounds it makes. You should also try and be as courteous as possible to others around you when you fly your crewless aircraft.

Why Are Drones So Loud?

girl piloting a drone

Photo by The Lazy Artist Gallery from Pexels

Now that we answered the question “how loud are drones?”, Let move on to the question “Why are drones so loud?”. This question will help users gain a more specific picture of why the drones make such a high pitch noise.The buzzing noise that we are all familiar with from rotor drones comes from engine forcing the rotor to cut through the air. These rotors slicing through the sound barrier create the distinct buzzing sound that accompanies many drones in flight.When a drone flies the propellers on the device converts the energy from the spinning motor into a downward thrust of air that causes the device to rise, fall and remain at a level in the air. Unfortunately, these drones are not nearly as efficient as we might think they are.A lot of the energy produced by them — around thirty to forty percent — is lost through heat and noise. So, the more efficient a propeller is, the louder it will be. That is why when a drone comes with a propeller that is weaker than the others, then that deficient propeller is louder than the rest.The efficiency of a propeller depends on a variety of factors like the number of blades on the propeller, the shape of the propeller, the revolutions per minute, diameter and pitch. If the drone comes with more leaves, then odds are it will be less efficient. Try and look for propellers with two blades on them.In terms of diameter, you should look for blades that are long and large. These blades require less force to propel the drone up through the air. On the other hand, smaller blades must spin quicker and quicker, which need much more energy. As such a lot of it wastes the energy on revolving them.

Why Are Some Drones Louder than Cars?

The answer to this question comes down to the frequencies of the sounds produced. Car engines produce rumbling low frequencies — deep bass sounds that are harder for many humans to register. Small drones, on the other hand, produce higher vibrations.Think of the sound a bug makes when it flies into your ear. You are picking up the annoying screeching high range of the wings. The same thing happens with some drone models, which is why NASA officially rates them higher in terms of noise pollution than cars.

What Drone Models Are the Loudest?

white drone and controller

Photo by Josh Sorenson from Pexels

In terms of noise, generally drones with small rotors create an annoying shrieking sound when they hover at ground level. This shrill sound comes from wasted efficiency and higher levels of revolutions per minute. As such, racing drones are among the loudest models on the market right now.On the other side of the spectrum, larger drones with big propellers in diameter are generally much quieter since they do not waste quite as much energy when in use. These types of drones produce a steady humming noise — not the high pitch screech of the smaller models.

Five of the Quietest Drones on the Market Right Now

If you live in a quiet neighborhood, then odds are you might be a little embarrassed about getting a particularly loud drone. Nobody wants their neighbors mad at them. Luckily, we included some of the quietest drones currently available on the market right now.

1) Yuneec Q500

YUNEEC Q500 4K Typhoon Quadcopter with CGO3 Camera, SteadyGrip, and...
YUNEEC Q500 4K Typhoon Quadcopter with CGO3 Camera, SteadyGrip, and...
  • The Typhoon Q500 4K arrives factory-assembled, test-flown, ready to fly and film out of the box.
  • The 3-axis anti-vibration CGO3 gimbal camera and the optimized fixed focus lens capture silky smooth videos and crisp...
  • The ST10+ personal ground station is a 10-channel 2.4GHz RC transmitter that supports a 5.8GHz video downlink delivering...
Buy on Amazon

The Yuneec Q500 features a 4k 30 frames per second camera with a remote control camera. With this drone, you can get twelve-megapixel photos. The camera mounts on top of a three hundred and sixty-degree gimbal which makes it one of the best recording drones on the market for the price.The company specifically designed the aluminum framing on the drone to reduce the spread of vibrations during flight. As such, it produces much fewer sounds. One model costs five hundred dollars.

Buy on Amazon

2) DJI Phantom 4

DJI Phantom 4 Pro Plus V2.0 - Drone Quadcopter UAV with 20MP Camera 1'...
DJI Phantom 4 Pro Plus V2.0 - Drone Quadcopter UAV with 20MP Camera 1"...
  • The Phantom 4 Pro+ V2.0 camera drone comes equipped with a 3-axis motorized gimbal and a 1-inch 20MP CMOS sensor with a...
  • With the 5.5-inch 1080p LCD screen built into the optional remote controller, your images are easily visible even in...
  • The Phantom 4 Pro V2.0 is a beast when it comes to flight performance. It has a maximum flight speed of 72 kph and an...
Buy on Amazon

Not only does the DJI Phantom 4 feature ultra quiet propeller technology, but you also barely need to fly the thing. Auto takeoff and landing, combined with the GPS tracking feature makes controlling it a breeze. You can capture 4k ultra high definition with the drone camera at thirty frames per second.The gimbal stabilization feature allows for smoother video capture while the aircraft is flying. However, this drone is one of the more expensive models. One DJI Phantom 4 costs nine hundred dollars.

Buy on Amazon

3) DJI Phantom 2 Vision HD

DJI FPV Combo - First-Person View Drone UAV Quadcopter with 4K Camera,...
DJI FPV Combo - First-Person View Drone UAV Quadcopter with 4K Camera,...
  • IMMERSIVE FLIGHT EXPERIENCE: Feel the thrill of immersive flight provided by the DJI FPV Goggles V2 and DJI FPV’s...
  • 4K/60FPS VIDEO: The DJI FPV aircraft can record 4K/60fps video at up to 120 Mbps, capturing crisp details that make...
  • BRAND-NEW S MODE: Get the dynamic look of FPV footage easily in S mode. This hybrid flight mode combines the freedom of...
Buy on Amazon

While the GoPro camera included on the DJI Phantom 2 Vision HD might not match some of the professional quality models, the affordability of the product makes it a great stealth drone. The self-tightening propellers in particular help reduce noise pollution by a good deal. However, besides the quiet sound, it makes when taking off and landing, the most impressive feature of the DJI Phantom 2 Vision HD is the fantastic twenty-eight-minute battery life. You can fly the drone by yourself or activate the autopilot feature. One model costs three hundred and twenty-five dollars.

Buy on Amazon

4) DJI Phantom 3 Pro

DJI Phantom 4 PRO Plus V2.0 Drone with 1-inch 20MP 4K Camera KIT with...
DJI Phantom 4 PRO Plus V2.0 Drone with 1-inch 20MP 4K Camera KIT with...
  • Kit Includes: 1- DJI Phantom 4 PRO+ V2. 0 Quadcopter Drone, 1- Handheld Transmitter With Built in Monitor (Radio...
  • Camera with 1-inch 20MP sensor the onboard camera has been redesigned to use a 1-inch Megapixel CMOS sensor. Avoid...
  • Five-directions of obstacle sensing, Remote controller the Phantom 4 Pro controller integrates an upgraded Lightbridge...
Buy on Amazon

As you might guess DJI does an exceptional job crafting drones that remain on the quiet side, and the DJI Phantom 3 Pro is no exception. The smooth rotors do an excellent job at reducing the overall loudness of the product while it is in use. However, the drone shines in its streaming technology.You can stream 720p video on the DJI Phantom 3 Pro while simultaneously capturing the footage on an internal memory card — not to mention the 4k high definition quality and the steady gimbal camera support.You can connect the device wirelessly to your smartphone and download the footage directly onto your device. As such, this drone makes an excellent professional filming device. It costs seven hundred and sixty-five dollars.

Buy on Amazon

5) Parrot Mambo

AwesomeTech Parrot Mambo Mission
AwesomeTech Parrot Mambo Mission
  • The Parrot Mambo minidrone is not done surprising you! Whether you equip it with the Cannon or the Grabber, it will make...
  • With a user-friendly interface, simplified drone connection and automatic recognition of your connected minidrones and...
  • TEST YOUR SKILLS - Go out on a mission by yourself or as a team with your Cannon. Attach it to the Parrot Mambo and let...
Buy on Amazon

The last drone on our list is the Parrot Mambo. At one hundred and fifteen dollars it is also one of the most affordable. If you want a quiet drone that is more oriented toward fun, then professional cinematography, then the Parrot Mambo should be a good fit for you. The drone features a toy cannon that you can attach to the drone which shoots little plush balls. However, the product, unfortunately, does not come with much range.

We hope this article helped give you the answer to the questions how loud are drones? Truthfully, even the tiniest drone packs a pretty good sonic punch when it comes to noise pollution. This issue is due to the large frequencies they produce. However, as we mentioned, once you fly above a certain height, the noise all but disappears into the atmosphere. Unfortunately, not all drones have the capability of reaching heights over three hundred feet. Short range drones that cannot gain much altitude should try and be aware of their surroundings when flying their aircraft. Otherwise, they may accidentally annoy people with their noise pollution.

Buy on Amazon

Featured image source: pexels

Last update on 2022-05-28 at 12:39 / Affiliate links / Images from Amazon Product Advertising API

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