Brushless beecheese frame (Semi ducted micro brushless frame)
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3D model description
My first design for a brushless micro quadcopter.
So far it works quite well. :)
This design is not superlight but it can take some hits. Keep in mind it is no tank.
Using holes in your ducts(propguards) does reduce weight and wind resistance while keeping your props and motors save. I crashed some frames, but my components never took damage.
I flew it using a 850mah 3S Lipo, wich might be a bit heavy for this setup. I would recommend around 600mah with at least 45C at 3S. The 2S felt a bit like a brushed copter. As you can see in the motors display of the posted video, they max out very often at even quite chilledflight style. I would not recommend it for acro. But for a bit of cruising around, its still fun even at only 2S. And motors come down quite cold. But i guess you can use ohter props for this combo to be a rocket on 2S either.
It does fly with an old NAZE32 for the moment. Will be replaced with an F4 board with OSD soon. The DYS 1104 7000KV motors work great as soon as you found the right settings for your filters. Otherwise they will burn your frame. Or themselfes. The filters will be quite a bit off to the standart settings. Yaw axis was worst. I had to reduce gyro lpf on yaw to 60hz to get a clean gyro line. This may have to do with the vibrations coming from the frame itself. The motor had most vibration around 150Hz, so i set notch 1 to 120-160hz. Dynamic filtering may do a great job, but i cant test it on this old F1 board.
When powering your quad from 3S, you can feel the power! Just check the motor temperatures.
It should fit a runcam split. I just dont have one to test it.
If you have some flexible filament you may print the tpu motor mounts to reduce vibrations on your frame. For me this worked quite good.
You may also try to print the short standoffs using tpu. I did not test it, but this should also reduce vibrations. For now i mounted my board onto slices of "oropax" earplugs. This works quite well.
The camclip could also work well with some kinds of tpu.
I would be very happy to see your make and get some feedback :)
Update 01: I have added more rigid and better fitting standoffs.
Update 02: Added a adapter plate for 16x16mm and 20x20mm esc/fc boards.
Weight including Lipo (3S 850mah): 170 gram
Motor to motor distance: 80mm
Awesome flightcontroller firmware: Betaflight 3.2.0 RC4
https://github.com/betaflight/betaflight (Open Source)
Motors DYS 1104 7000KV
https://goo.gl/mGteyH (link to quadrocopter-teile.at)
Props 1935 triblades
https://goo.gl/4DYRCr (Link to banggood.com)
ESC Racestar 4 in 1 12A using Oneshot 42 (Naze isnt DSHOT compatible, but ESC are) https://goo.gl/CWm5G1 (Link to banggood.com)
Recommended flightcontrol Omnibus F4 with OSD
https://goo.gl/3BXv5Z (link to banggood.com) (30.5mm diameter)
https://goo.gl/7vGyKG (link to banggood.com) (20mm diameter) (will release a adapter for this soon)
FPV cam/transmitter combo - TX03 (great image quality for its size, very leightweight)
https://goo.gl/aqRcHs (link to banggood.com)
https://goo.gl/RZ3UkN (Link to banggood.com)
5V active Buzzer (take it, if you dont want to search your quad for hours and hours.)
https://goo.gl/ud4U5G (Link to banggood.com)
Further you need:
Transmitter and receiver of your choice. I use the Flysky I6 with SBUS mod
https://goo.gl/GwRqK4 (Link to banggood.com)
FPV goggle of your choice. I use the Kylin Vision with Eachine DVR mod
https://goo.gl/1OyqmI (Link to gearbest.com)
https://goo.gl/UEX5WS (Link to banggood.com)
Lipo 3S 500mah 45C
https://goo.gl/kHZTTf (Link to banggood.com)
ISDT Q6 Plus 300W 14A MINI Pocket Battery Balance Charger (professional charger)
https://goo.gl/oh4Yrr (Link to banggood.com)
REMO E9393 Li-Po Balance Charger (basic charger)
https://goo.gl/cu4ndJ (Link to banggood.com)
4x M3 Nut
12x M3 screw
I recommend metal screws for the first time using the screw holes. Afterwards you may use abs or anything like that.
3D printer file information
- Design number: 51262
3D design format: STL Folder details Close
2019-03-20 at 08:52
?Published to Thingiverse on: 2017-09-19 at 08:17
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