Over the past few years, labels such as DJI have pushed drones into the mainstream. If you look closely, you'll notice that a majority of them have four propellers, while helicopters have fewer of ...

An MQ-9 Reaper drone crashed into the Mediterranean Sea last December after losing its propeller midflight, likely due to the failure of a ring necessary to secure the prop in place. (SrA Raya Feltner ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. The US military lost one of its Reaper drones after a part failed, causing the propeller to fall off ...

The Federal Aviation Administration fields thousands of complaints each year about the characteristic loud buzzing produced as drone propellers slice through the air. In fact, a 2017 NASA study showed ...