Current status: After maiden flight(s), possessed by desync or some other satanic creature. Not trying to repair it, will buid new quad.
My first 5inch budget build, inspired by Wizard Killer Mk3(love that color scheme!) and UAVFutures' 99USD build.
The first flight was nice, until I landed bit more hard on concrete, after which I started to get desync - could hover easily, but when I got to around 15-20% throttle, one of the motors just gets stuck at full throttle, flipping the quad into ground or sending it hurling towards something hard. I tried playing around with min_throttle in BF and StartTime in BlHeli, didn't help. Reflashing Betaflight and BlHeli also didn't help, will try to switch motors around to see if it is caused by motor or and ESC, then I'll either get new ESCs or new motor.
Apart from the current desync issue, I'm pretty happy with the build, The frame solid, the AIO FC is easy to solder up and the motors, although noisy, are smooth.
The frame is true and tested Martian II in the anniversary edition. I'm ultra happy with the frame, strong, cheap, just had to sand the edges of arms and plates a bit, they were really sharp. Decided to use 20mm standoffs like the Wizard Killer Mk3, the low stands make the profile of the quad really nice.
Flight controller is very good, no errors or anything, only lacks blackbox, which would currently be awesome feature right now after my maiden flight.
Motors developed some bearing rattle after the maiden flight(but there is no slop in the shaft, only the bearings are loud). One of the motors already arrived with noisy bearing. I dissassembled one of the motors and the bearings can be easily replaced, which is nice.
The Furibee ESC were the cheapest 30A ESCs I've found(around 3.5€ / 4USD at the time of purchase)...I should have ordered 5 or 6 of them. Looks like one of the ESCs is faulty after one harder landing(but it might also be a faulty motor, need to test that still).
Like the colour, but they feel pretty fragile and I've broken two already. WIll probably get some DAL Cyclones or HQs soon.
No FPV gear as I don't have any FPV goggles. But I plan to get some when I get some more money(I'm a student, not much of a disposable income atm.) For now I'm using X6B receiver with arduino as a wireless dongle for Liftoff sim, practicing FPV there.
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Those esc's are widly regarded as some of the worst on the market
Yeah, I figured that for the price. But hey, All four cost me about 13€, which is less than one high end ESC. I'll try playing around with their settings a bit and see if the desync goes away. If that fails, I'll order some Racerstars or DYS.
ah you got them when they were 3.30 eur or smth? damn i didnt have money at all then, but i gues 5 eur is still not bad