Summary

How Small Can a 4K Digital FPV Drone Be?

I’ve been wondering for a while: how small can you build a digital FPV drone that still records in 4K?
For this project, I used a DJI O4 Air Unit and stripped away everything that wasn’t absolutely necessary.

The frame is designed so that the motors run in an extremely tight space. It was a fun project – nothing you’d really want to fly seriously – but in the end, it turned out to be surprisingly agile.

Probably the smallest whoop you can currently build that’s still actually fun to fly.
But see for yourself in the video…

▶️ YouTube:
https://www.youtube.com/watch?v=piSsKisBaag

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Parts Needed

• Matrix 1S Brushless Flight Controller

  • https://s.click.aliexpress.com/e/_c40ZrCnR

• BetaFPV 0702 II 30000KV Brushless Motors

  • https://www.mepsking.shop/0702-ii-brushless-motors.html?inviterId=1915291648945373186&utm_source=affiliate&utm_medium=affiliate
  • https://s.click.aliexpress.com/e/_c2wYuni1

• DJI O4 Video Transmitter

  • https://amzn.to/44otxKT
  • https://s.click.aliexpress.com/e/_c3FoI4aN

• Gemfan 31mm 1209-4 1mm Propeller (Clear)

  • https://s.click.aliexpress.com/e/_c3tV4OSH
• BetaFPV 300mAh 1S BT2.0 Battery
  • https://s.click.aliexpress.com/e/_c42EHac1

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Discounts & Disclaimer

💥 Exclusive 10% OFF code on Mepsking Motors: fpvgeek

Disclaimer:
Some parts were provided for free by Mepsking. All opinions are my own.
Affiliate links help support the channel at no extra cost to you.

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Print Settings

Frame

• Material: PLA+ / PETG / ABS
• Layer Height: 0.12 mm
• Walls: 3
• Infill: 15%
• Supports: Yes, normal

Camera Mount

• Material: TPU
• Layer Height: 0.12 mm
• Walls: 2
• Infill: 15%
• Supports: Yes, tree