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“World's smallest FPV drone”: DIY YouTuber builds a 0.88-inch drone and it flies

An image of the drone in hand (Image source: Hoarder Sam; screenshot)
An image of the drone in hand (Image source: Hoarder Sam; screenshot)
DIY YouTuber Hoarder Sam, who is known for custom drone builds, has uploaded a video of a 22.3-millimeter (0.88-inch) drone, which he calls “the world's smallest FPV drone.” He achieved this using components from a commercial drone and 3D-printed parts as well.

DIY engineer Hoarder Sam has successfully designed and built the “world's smallest FPV drone” — a tiny drone measuring just 22.3 millimeters (motor post to motor post). The daring build has all four rotors overlapping and the entire thing looking uncontrollable, but it flew.

To make this build, he tore down the 64.8-millimeter BetaFPV Air65 drone (curr. $125.99 on Amazon) and used its components (flight controller, camera, rotors, and propellers). He also designed and 3D printed the body of the ultra-compact drone using a Bambu A1 Mini 3D-printer (curr. $249 on Amazon).

He also reconfigured the firmware as he implemented significant design changes to the original structure of the drone. It took a few reconfigurations and flight tests to get the drone flying. The drone, which he didn't give a name, weighed just 25 grams in the end.

Using a 300 mAh battery, he managed to get about 3 minutes of flight time out of the drone. With a 260 mAh battery pack, however, the flight time was about 30 seconds shorter.

Source(s)

Hoarder Sam (linked above)

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2025 10 > “World's smallest FPV drone”: DIY YouTuber builds a 0.88-inch drone and it flies
Chibuike Okpara, 2025-10-21 (Update: 2025-10-21)