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<!DOCTYPE html><html lang="en-US" prefix="og: http://ogp.me/ns#"><head ><meta charset="UTF-8" /><meta name="viewport" content="width=device-width, initial-scale=1" /><link type="text/css" media="all" href="https://www.droneflyers.com/wp-content/cache/autoptimize/css/autoptimize_022b7113bfaeac1e59a19e12bf14e18d.css" rel="stylesheet" /><title>Understanding Brushless Camera Gimbals - Droneflyers.com</title><meta name="description" content="At the heart of many modern camera drones is a magical device called a 3-axis Brushless Camera Gimbal. Here is what they are and how they work"/><link rel="canonical" href="https://www.droneflyers.com/understanding-brushless-camera-gimbals/" /><meta property="og:locale" content="en_US" /><meta property="og:type" content="article" /><meta property="og:title" content="Understanding Brushless Camera Gimbals - Droneflyers.com" /><meta property="og:description" content="At the heart of many modern camera drones is a magical device called a 3-axis Brushless Camera Gimbal. Here is what they are and how they work" /><meta property="og:url" content="https://www.droneflyers.com/understanding-brushless-camera-gimbals/" /><meta property="og:site_name" content="Droneflyers.com" /><meta property="article:publisher" content="https://www.facebook.com/droneflyers/" /><meta property="article:tag" content="2015" /><meta property="article:tag" content="brushless camera gimbal" /><meta property="article:tag" content="Camera" /><meta property="article:tag" content="DJI" /><meta property="article:tag" content="GoPro" /><meta property="article:tag" content="Guides" /><meta property="article:tag" content="How to" /><meta property="article:tag" content="Instructions" /><meta property="article:tag" content="Video" /><meta property="article:section" content="Aerial Video and Photography" /><meta property="article:published_time" content="2015-06-14T23:18:55-04:00" /><meta property="article:modified_time" content="2015-06-14T23:23:49-04:00" /><meta property="og:updated_time" content="2015-06-14T23:23:49-04:00" /><meta property="og:image" content="https://www.droneflyers.com/wp-content/uploads/2015/06/gimbalonlyl.jpg" /><meta property="og:image:secure_url" content="https://www.droneflyers.com/wp-content/uploads/2015/06/gimbalonlyl.jpg" /><meta property="og:image:width" content="583" /><meta property="og:image:height" content="593" /> <script type='application/ld+json'>{"@context":"http:\/\/schema.org","@type":"WebSite","@id":"#website","url":"https:\/\/www.droneflyers.com\/","name":"Droneflyers.com","alternateName":"Droneflyers.com","potentialAction":{"@type":"SearchAction","target":"https:\/\/www.droneflyers.com\/?s={search_term_string}","query-input":"required name=search_term_string"}}</script> <script type='application/ld+json'>{"@context":"http:\/\/schema.org","@type":"Organization","url":"https:\/\/www.droneflyers.com\/understanding-brushless-camera-gimbals\/","sameAs":["https:\/\/www.facebook.com\/droneflyers\/","https:\/\/www.youtube.com\/user\/craigimass","https:\/\/twitter.com\/bestquads"],"@id":"#organization","name":"Droneflyers.com","logo":"https:\/\/www.droneflyers.com\/wp-content\/uploads\/2016\/12\/df_logo.jpg"}</script> <link rel='dns-prefetch' href='//s0.wp.com' /><link rel='dns-prefetch' href='//fonts.googleapis.com' /><link rel='dns-prefetch' href='//s.w.org' /><link rel="alternate" type="application/rss+xml" title="Droneflyers.com » Feed" href="https://www.droneflyers.com/feed/" /><link rel="alternate" type="application/rss+xml" title="Droneflyers.com » Comments Feed" href="https://www.droneflyers.com/comments/feed/" /> <script type="text/javascript">window._wpemojiSettings = {"baseUrl":"https:\/\/s.w.org\/images\/core\/emoji\/11\/72x72\/","ext":".png","svgUrl":"https:\/\/s.w.org\/images\/core\/emoji\/11\/svg\/","svgExt":".svg","source":{"concatemoji":"https:\/\/www.droneflyers.com\/wp-includes\/js\/wp-emoji-release.min.js?ver=5.0.4"}};
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class="breadcrumb-link-text-wrap" itemprop="name">Home</span></a><meta itemprop="position" content="1"></span> <span aria-label="breadcrumb separator">/</span> <span class="breadcrumb-link-wrap" itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem"><a class="breadcrumb-link" href="https://www.droneflyers.com/category/aerial-video-and-photography/" itemprop="item"><span class="breadcrumb-link-text-wrap" itemprop="name">Aerial Video and Photography</span></a><meta itemprop="position" content="2"></span> <span aria-label="breadcrumb separator">/</span> Understanding Brushless Camera Gimbals</div><article class="post-138597 post type-post status-publish format-standard has-post-thumbnail category-aerial-video-and-photography category-dji-phantom-section category-guides category-uncategorized tag-131 tag-brushless-camera-gimbal tag-camera tag-dji tag-gopro tag-guides tag-how-to tag-instructions tag-video entry" itemscope itemtype="https://schema.org/CreativeWork"><header class="entry-header"><h1 class="entry-title" itemprop="headline">Understanding Brushless Camera Gimbals</h1><p class="entry-meta"><time class="entry-time" itemprop="datePublished" datetime="2015-06-14T23:18:55+00:00">June 14, 2015</time> by <span class="entry-author" itemprop="author" itemscope itemtype="https://schema.org/Person"><a href="https://www.droneflyers.com/author/craigi/" class="entry-author-link" itemprop="url" rel="author"><span class="entry-author-name" itemprop="name">craigi</span></a></span></p></header><div class="entry-content" itemprop="text"><p><strong>Introduction</strong></p><p>At the heart of many modern camera drones is a magical device called a 3-<span data-cmtooltip="Used to describe one plane (one line) of potential flight. Most quads have at least 3-axis control and correction built in." class="glossaryLink ">axis</span> Brushless <span data-cmtooltip="This describes a camera holder, often used on drones, which may have the capability to tilt and swerve using small actuators called servos. Various camera models, including video cameras and even large DSLRs, can be fitted to these gimbals. " class="glossaryLink ">Camera Gimbal</span>. It contains many of the same technologies which are in the <span data-cmtooltip="A newer, perhaps slang, definition is for any unmanned powered aerial vehicle, although the dictionary has not yet caught up! In terms of the news and current events, it is often used to describe aerial vehicles which can be guided from afar and contain surveillance gear, etc.
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Officially, "drone" defines a humming sound or a male bee which mates with the queen. " class="glossaryLink ">drone</span> itself. Here is what they are and how they work – explained in the simplest terms possible.</p><p>The word <em><span data-cmtooltip="A mechanism for keeping an instrument (such as a camera) level and stable in a moving aircraft." class="glossaryLink ">gimbal</span></em> can be used to describe any adjustable camera or compass holder designed to keep the device level. A more accurate description of the <span data-cmtooltip="An aerial vehicle using 4 rotors, commonly using only the varying speed of the motors to achieve both stability and direction of flight. " class="glossaryLink ">quadcopter</span> gimbal would be a <em>3 – axis camera stabilization and anti-vibration device</em>. It uses brushless motors (powerful and quiet as well as long lasting) to adjust the position of the camera. 3-axis describes that the camera is adjusted in all directions – up/down, left/right and forward/backward (3 dimensions or, as we call it, the real world).<br><span id="more-138597"></span></p><p>Drone gimbals are sold in two ways – as a separate unit upon which a camera (<span data-cmtooltip="A line of small lightweight sport cameras which are often flown on multirotors to capture video." class="glossaryLink ">GoPro</span>, for example) mounts or as a complete unit with an integrated camera (<span data-cmtooltip="DJI Innovations, a highly regarded multirotor manufacturer who sells both kits, completed units and parts including the popular NAZA flight controller." class="glossaryLink ">DJI</span>, Blade, <a title="" class="aalmanual" target="_blank" rel="nofollow" href="https://amzn.to/2raGnJa">Yuneec</a>). Shown below is the gimbal and camera assembly for a DJI <a title="" class="aalmanual" target="_blank" rel="nofollow" href="https://www.dji.com/products/consumer?pbc=oUO3hPYG&utm_medium=txt&utm_source=dds&pm=link&as=0005">Phantom 3</a> quadcopter.</p><div id="attachment_138598" style="width: 860px" class="wp-caption aligncenter"><img data-attachment-id="138598" data-permalink="https://www.droneflyers.com/understanding-brushless-camera-gimbals/phantom-3-4k-photo-4/" data-orig-file="https://i1.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/phantom-3-4k-photo-4.jpg?fit=1122%2C648&ssl=1" data-orig-size="1122,648" data-comments-opened="0" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}' data-image-title="phantom-3-4k-photo-4" data-image-description="" data-medium-file="https://i1.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/phantom-3-4k-photo-4.jpg?fit=300%2C173&ssl=1" data-large-file="https://i1.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/phantom-3-4k-photo-4.jpg?fit=850%2C491&ssl=1" src="https://i0.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/phantom-3-4k-photo-4-850x491.jpg?resize=850%2C491" alt="Camera Gimbal " width="850" height="491" class="size-large wp-image-138598" srcset="https://i1.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/phantom-3-4k-photo-4.jpg?resize=850%2C491&ssl=1 850w, https://i1.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/phantom-3-4k-photo-4.jpg?resize=170%2C98&ssl=1 170w, https://i1.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/phantom-3-4k-photo-4.jpg?resize=300%2C173&ssl=1 300w, https://i1.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/phantom-3-4k-photo-4.jpg?w=1122&ssl=1 1122w" sizes="(max-width: 850px) 100vw, 850px" data-recalc-dims="1"/><p class="wp-caption-text">Camera Gimbal</p></div><p>The larger mechanical parts of a gimbal are quite basic – the camera holder and 3 motors which work together to keep the assembly level and vibration free. However, what goes on behind the scenes to allow this is much more complex – so advanced, in fact, that the consumer camera gimbal was an impossibility until approx. 2012.</p><p>For those who want just the “Cliffs Notes” version or executive summary, the above as well as a one minute video we’ve made will suffice. For others, watch the video and read on below.<br><span class="embed-youtube" style="text-align:center; display: block;"><iframe class="youtube-player" type="text/html" width="640" height="360" src="https://www.youtube.com/embed/SvVWnAe9m_M?version=3&rel=1&fs=1&autohide=2&showsearch=0&showinfo=1&iv_load_policy=1&wmode=transparent" allowfullscreen="true" style="border:0;"></iframe></span></p><p><strong>How Does it Work?</strong></p><p>A modern drone gimbal uses many of the same technologies as your smart phone, video game controllers and your drone <span data-cmtooltip="Also FC or F/C - the central computer that holds the hardware and software which keeps your drone in the air." class="glossaryLink ">flight controller</span> system. These new electro-mechanical devices are known by the acronym MEMS – which stands for <em>Micro-Electro-Mechanical Systems</em>. You will see them described by more specific names and functions such as <span data-cmtooltip="Inertial measurement unit - a combination controller containing both accelerometer(s) and gyro(s) which together can help in orientation, navigation and stabilization, etc." class="glossaryLink ">IMU</span> (Inertial Measurement Units), Accelerometers and Gyroscopes. In most all cases, the functions are somewhat similar – taking a mechanical force (like you swinging your hand with a Wii controller in it) and translating it to an electronic signal which can then be fed into a computer.</p><p>For the layman, think of the simplest MEMS as being a bubble level. We could create a level and then, using various methods, have it send electrical impulses out when the level is NOT level…commands such as “slant a little more to the left…now right….OK, it’s level now” and so on.</p><p>Most electronic components do not have any parts which move – they are purely electrical, with only electrons flowing through the maze inside the chips. MEMS are different – they actually ARE like a level, tuning fork or other mechanical device in that they have structures which move and respond to being pushed in one direction or another (g-forces, gravity, etc.).</p><div id="attachment_138610" style="width: 410px" class="wp-caption aligncenter"><img data-attachment-id="138610" data-permalink="https://www.droneflyers.com/understanding-brushless-camera-gimbals/gyro4_sense18-small/" data-orig-file="https://i2.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/Gyro4_Sense18-small.gif?fit=400%2C349&ssl=1" data-orig-size="400,349" data-comments-opened="0" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}' data-image-title="Gyro4_Sense18-small" data-image-description="" data-medium-file="https://i2.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/Gyro4_Sense18-small.gif?fit=300%2C262&ssl=1" data-large-file="https://i2.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/Gyro4_Sense18-small.gif?fit=400%2C349&ssl=1" src="https://i2.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/Gyro4_Sense18-small.gif?resize=400%2C349" alt="Animation of a MEMS Gyroscope" width="400" height="349" class="size-full wp-image-138610" data-recalc-dims="1"/><p class="wp-caption-text">Animation of a MEMS Gyroscope</p></div><p>The animation above shows a depiction of one such device. By measuring the electrical signals it can check the current state (level or not) of the gimbal.</p><p>Now – prepare yourself for what the REAL MEMS chips may look like magnified…<br></p><div id="attachment_138612" style="width: 810px" class="wp-caption aligncenter"><img data-attachment-id="138612" data-permalink="https://www.droneflyers.com/understanding-brushless-camera-gimbals/imu-interior/" data-orig-file="https://i2.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/imu-interior.jpg?fit=800%2C647&ssl=1" data-orig-size="800,647" data-comments-opened="0" data-image-meta='{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}' data-image-title="imu-interior" data-image-description="" data-medium-file="https://i2.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/imu-interior.jpg?fit=300%2C243&ssl=1" data-large-file="https://i2.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/imu-interior.jpg?fit=800%2C647&ssl=1" src="https://i2.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/imu-interior.jpg?resize=800%2C647" alt="Interior of a MEMS chip, showing the many mechanical fingers" width="800" height="647" class="size-full wp-image-138612" srcset="https://i2.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/imu-interior.jpg?w=800&ssl=1 800w, https://i2.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/imu-interior.jpg?resize=170%2C137&ssl=1 170w, https://i2.wp.com/www.droneflyers.com/wp-content/uploads/2015/06/imu-interior.jpg?resize=300%2C243&ssl=1 300w" sizes="(max-width: 800px) 100vw, 800px" data-recalc-dims="1"/><p class="wp-caption-text">Interior of a MEMS chip, showing the many mechanical fingers</p></div><p>This is just one small part of a MEMS device – the fingers that you see are pushed in one direction or the other by g-forces (movement of your drone, the wind, etc.) and send electrical signals detailing the exact forces and direction of them back to a computer inside the gimbal controller.</p><p><strong>Bringing it all together</strong></p><p>To make the gimbal work requires a LOT of computing power – this is often encased in a circuit board called the controller. This board also contains the MEMS as well as <em>firmware</em> (built-in software) which the manufacturers has created.</p><p>This controller sends out – many times each second – commands to the 3 brushless motors that stabilize the camera. These commands not only keep the camera level, but can be tuned to remove most of the vibration caused by the propellers and flight motors on the drone itself.</p><p>The results are obvious when watching the video taken from these modern gimbals.</p><div id="wpdevar_comment_1" style="width:100%;text-align:left;"> <span style="padding: 10px;font-size:16px;font-family:Arial,Helvetica Neue,Helvetica,sans-serif;color:#000000;">FB Comments</span><div class="fb-comments" data-href="https://www.droneflyers.com/understanding-brushless-camera-gimbals/" data-order-by="social" data-numposts="10" data-width="100%" style="display:block;"></div></div><style>#wpdevar_comment_1 span,#wpdevar_comment_1 iframe{width:100% !important;}</style><div class="sharedaddy sd-sharing-enabled"><div class="robots-nocontent sd-block sd-social sd-social-icon-text sd-sharing"><h3 class="sd-title">Share this:</h3><div class="sd-content"><ul><li class="share-twitter"><a rel="nofollow noopener noreferrer" data-shared="sharing-twitter-138597" class="share-twitter sd-button share-icon" href="https://www.droneflyers.com/understanding-brushless-camera-gimbals/?share=twitter" target="_blank" title="Click to share on Twitter"><span>Twitter</span></a></li><li class="share-facebook"><a rel="nofollow noopener noreferrer" data-shared="sharing-facebook-138597" class="share-facebook sd-button share-icon" href="https://www.droneflyers.com/understanding-brushless-camera-gimbals/?share=facebook" target="_blank" title="Click to share on Facebook"><span>Facebook</span></a></li><li class="share-end"></ul></div></div></div><div id="jp-relatedposts" class="jp-relatedposts"><h3 class="jp-relatedposts-headline"><em>Related</em></h3></div><div class="yarpp-related"><h3>Related posts:</h3><ol><li><a href="https://www.droneflyers.com/finding-places-to-fly-and-photograph-with-your-drone/" rel="bookmark" title="Finding Places to Fly and Photograph with your Drone">Finding Places to Fly and Photograph with your Drone </a></li><li><a href="https://www.droneflyers.com/dji-phantom-3-quadcopter-first-look-review-and-rating/" rel="bookmark" title="DJI Phantom 3 Quadcopter – First Look, Review and Rating">DJI Phantom 3 Quadcopter – First Look, Review and Rating </a></li><li><a href="https://www.droneflyers.com/5-reasons-dji-go-scratches-surface-dji-drone-potential/" rel="bookmark" title="5 Reasons Why DJI GO Only Scratches the Surface of your DJI Drone Potential">5 Reasons Why DJI GO Only Scratches the Surface of your DJI Drone Potential </a></li><li><a href="https://www.droneflyers.com/dji-phantom-4-computer-vision-part-3-reviewrating/" rel="bookmark" title="DJI Phantom 4 – Computer Vision – Part 3 of our Review/Rating">DJI Phantom 4 – Computer Vision – Part 3 of our Review/Rating </a></li></ol></div></div><footer class="entry-footer"><p class="entry-meta"><span class="entry-categories">Filed Under: <a href="https://www.droneflyers.com/category/aerial-video-and-photography/" rel="category tag">Aerial Video and Photography</a>, <a href="https://www.droneflyers.com/category/dji-phantom-section/" rel="category tag">DJI Phantom Section</a>, <a href="https://www.droneflyers.com/category/guides/" rel="category tag">Guides</a>, <a href="https://www.droneflyers.com/category/uncategorized/" rel="category tag">Uncategorized</a></span> <span class="entry-tags">Tagged With: <a href="https://www.droneflyers.com/tag/2015/" rel="tag">2015</a>, <a href="https://www.droneflyers.com/tag/brushless-camera-gimbal/" rel="tag">brushless camera gimbal</a>, <a href="https://www.droneflyers.com/tag/camera/" rel="tag">Camera</a>, <a href="https://www.droneflyers.com/tag/dji/" rel="tag">DJI</a>, <a href="https://www.droneflyers.com/tag/gopro/" rel="tag">GoPro</a>, <a href="https://www.droneflyers.com/tag/guides/" rel="tag">Guides</a>, <a href="https://www.droneflyers.com/tag/how-to/" rel="tag">How to</a>, <a href="https://www.droneflyers.com/tag/instructions/" rel="tag">Instructions</a>, <a href="https://www.droneflyers.com/tag/video/" rel="tag">Video</a></span></p></footer></article><div class="after-entry" class="widget-area"><section id="wpbr_widget-3" class="widget widget_wpbr_widget"><div class="widget-wrap"><h4 class="widget-title widgettitle">Helpful Products and Services!</h4><div class="wpbrad wpbrad-zone wpbrzone-4" id="wpbrbannerajaxdf263d9962"><div class="wpbrbanner" id="wpbrbanner3" style="width:728px; 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