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5-Inch FPV Drone

HARDWAREFPV Drone2025-09-14
Fully assembled 5-inch FPV drone
Fully assembled — DJI O3, TPU mounts
5-inch FPV drone overview
Cable routing with FC, VTX and TPU mounts
Building the 5-inch drone
Fully assembled 5-inch FPV drone
5-inch FPV drone overview
Cable routing with FC, VTX and TPU mounts
Building the 5-inch drone
Fully assembled 5-inch FPV drone
5-inch FPV drone overview
Cable routing with FC, VTX and TPU mounts
Building the 5-inch drone

Design Specification

I built a 5-inch racing drone with a focus on getting clean HD video. The main goal was to isolate the video transmitter from vibration.

Vibration Mitigation

The flight controller and video transmitter (DJI O3) are mounted on custom TPU rubber standoffs. TPU absorbs high-frequency vibrations from the motors and propellers, which keeps the camera image stable and gives the flight controller cleaner sensor data.

Assembly & Thermal Management

I routed cables carefully and added shielding to keep power clean and prevent interference. Everything is packed tight in the carbon fiber frame.

Results

Test flights showed the vibration isolation works—much cleaner video compared to a rigid mount. The O3 system delivers the video quality I need for freestyle flying and freestyle maneuvers.

Built at 16 years 6 months