Low-Budget FPV Mini Multirotor with long Flight Time!

In this article I will present you a mini tricopter with an exceptionally long flight time (for its size) powered by very low-budget components. This is not your usual mini quad, but just as much fun (or more) than a quadcopter! I have built the tricopter and flew it many times already and I’m very happy with it. Additionally tricopters simply look awesome (in my opionion), kind of like a Klingon Warbird 😉

 

Components

Basic components to get you in the air:

This means that the complete copter will cost you around 127 USD, only missing a receiver.

 

Additionally you will need:

RC receiver (this depends on your RC transmitter)

 

For FPV you will need:

Eachine CCD 700tvl 148 Degree Camera Lens w/ 5.8G 200mW FPV Transmitter (31 USD)

 

I’m discussing all the components in my unboxing video, which you can watch here:

 

Build

The build itself is very straight forward and the manual from Quanum is actually very detailed. You should not have any major issues. For details on the build itself, please refer to the build-review video here:

 

Maiden Flight

The maiden flight went really well, given the “non standard” components. The only bad flight characteristics I could detect was when the tricopter descends in its own propeller wash. It tends to get a bit unstable then. But that is a problem for most multicopters outthere. It’s actually quite responsive with the 7″ props and I can’t wait to try out the 8″ props. Very cheap build and so much fun to fly. It is my first tricopter and it feels much more like an airplane (compared to a quadcopter) when flying it. I wouldn’t have thought that I would like it so much.

Please check out the video of the maiden flight here:

 

Flight Time Measurements

Weight without lipo: 342g
Weight with 1400 mAh 3s lipo: 460g
Amps draw at hover (bench test): 6.2 A (= 13.55 minutes)
Amps draw at full throttle (bench test): 12.1 A (= 6.95 minutes)

Real world test:
I flew it very gently for 11 minutes. I then had to recharge 1043 mAh into the lipo to get it full again. That means a real-world power consumption of only 5.7 A on average when flying very gently (that is less than the hover value from my bench test, I guess the real world is always a bit different than testing on the bench).

 

Conclusion

I really love this bird. It’s great to try something new, after flying so many quadcopters. It is also a very cheap (158 USD for an FPV copter!) build and the flight characteristics are great.

 


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