ULT6 Ultra Light Tubular 6 MidRange

By XMFPV on Mar 25, 2024

3  0  2

I want to design a super lightweight yet rigid 6-inch FPV frame. Inspired by Eyefly's designs, I believe utilizing materials like carbon tubes and 3D printed parts, which do not require CNC machining, is a very clever approach and the best way to enable everyone to enjoy a low-cost, high-performance FPV frame.

The frame utilizes lightweight 5mm carbon tubes and adopts a pre-stressed design to achieve sufficient rigidity. Through flight validation, this drone effectively suppresses low-throttle wobbles and exhibits no jello in the mid to high throttle range. With an 850mAh 6S LiPo, it achieves approximately 9 minutes of flight time, while with a 6S 5000mAh 21700 battery, the flight time can exceed 35 minutes. At 35% throttle, the cruising speed can be maintained at 50 km/h, making it well-suited for medium to long-distance flights.

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Jodie Froster   22 days ago  

I like the tensioned tube integration. Would love some more info about the flight characteristics, and the tuning!

LiPoFly   24 days ago  

You built a lightweight quadcopter. What is its dry weight?

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