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Smallest racing drone challenge: 130mm 120g quad-copter

Smallest racing drone challenge: 130mm 120g quad-copter
 
A pilot shared his smallest DIY quad-copter. Let’s see!
 
The pilot had thought about challenging his limit to make a small drone.
 
His friend recommended a prototype 1104 motor –
 



So the pilot started to draw the blueprint.


 
Here is the motor. Its size is smaller than a coin.


 




Few days later, he received the frame.



With motor and flight controller, it weighs 50g. The pilot want to keep the takeoff weight lower than 120g, thus there are not many identical battery choices. Finally, he made the final decision. Let’s see -
 








The wheelbase is exactly 130mm. 12A ESC with built-in UBEC. The takeoff weight is 122.9g.
 


Article Source: 5imx

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