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Budget Bee 90 - A brushless micro quad under 70€

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  • 2 likes
  • 4 downloads

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3D design format
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  • Adapter_for_carbon_frame.stl
  • Budget_Bee_bottom_plate.stl
  • Budget_Bee_camera_mount_part_1.stl
  • Budget_Bee_camera_mount_part_2.stl
  • Budget_Bee_spacer.stl
  • Budget_Bee_top_plate.stl
  • Budget_Bee_top_plate_v2.stl

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Publication date 2023-09-16 at 16:24
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Published to Thingiverse on: 2017-07-22 at 08:07
Design number 1454476

3D printer file info

3D model description

Hi there,
Half a year ago I started the miniquad hobby and was surprised how cheap these things became. But as a hobbyist I wouldn't even think about buying a RTF quad, if I can built one myself. So here we go.

Update 1:
I completely removed the top plate + spacer which saved 5g weight. Also got this Lipo https://goo.gl/uzUhyF which saved another 23g weight. And i got these props https://goo.gl/s1RhKe
That thing moves like a rocket now.

Update 2:
Because new flight controllers and escs got developed, the price of this quad is now down to 60€ (esc 4 in 1 14,50€ https://goo.gl/RgndNd) but some parts like this new esc may not fit my frame anymore, therefore I've added the 123 design files, so you can edit them on your own

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The parts - cheapest build possible

Motors:
Racerstar 1103 8000kv (4x 3.47€)https://goo.gl/59hkXr

Flight Controller:
F3 16mm (11.25€) https://goo.gl/MDHzSa

ESC:
Racerstar 6A 1-2s 4in1 (23.48€) https://goo.gl/SZm6fa

Receiver:
Flysky irangex (NO FAILSAFE) (3.11€) https://goo.gl/JJ2AAr

FPV camera:
600TVL CMOS (5.70€) https://goo.gl/jjYmBt

FPV transmitter
Eachine VTX02 (7.82€) https://goo.gl/T8LBZM

Propellers:
Eashine 2035 5 pairs (3.49€) https://goo.gl/o8BdQ9

That's together 68.73€. As always with these chinese sellers, the prices change permanently. So if something is much more expensive than listed here, maybe wait for the next flash sale.

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If you have a few bucks to spare I can really recommend these upgrades

Better flight controller with OSD:
https://goo.gl/Hy4Lo2

better receiver with failsafe:
https://goo.gl/LywVcC

FPV camera with higher resolution:
https://goo.gl/PRjPgW

Frame out of carbon:
https://goo.gl/Rkb5G8

The weight without battery is 51g.
Im still tuning this quad and looking for a decent battery that is light enough but still delivers enough power. Don't buy ZOP Power lipos. I had a brown out after only 2 minutes of flight. Waste of money.

First flight:
https://www.youtube.com/watch?v=2XRkdow9_do

Flight with failsafe
https://www.youtube.com/watch?v=AtjCswvAw5Y

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