This is a budget build that I've been flying it for almost 3 months. It is a tight build, so decent soldering skill is required. The AIO flight controller helps to reduce soldering and space management, so you shouldn't have too much trouble.
It's running Betaflight 3.1 and D-Shot 600. The hang time is incredible! It floats forever and makes acro stunts look really nice. It's also good for racing. Mounting the motors on different planes allows it to eat up corners like crazy.
NOTE: Due to serious vibration issues, I changed from the Racerstar 5042 triblades to the Kingkong 5040 triblades and soft mounted the motors and flight controller.
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I wish they offered a little more wire length on those motors. I guess they're designed for individual ESCs rather than a 4-in-1. BTW, you've got 16 motors priced out there.
Thanks. I just noticed when I saw the price spike. I didn't know the motor quantity defaults to 4.
That's true about the motor wires, but the distance from the rear motors to the center is a very long distance. I wouldnt expect anyone to make motors with wires that long, so I was prepared for that anyway. And although the build looks cleaner with a 4-in-1 esc, I would recommend getting a 1 x 4 to save space in the center. I only have my FC half soft mounted because I don't have enough room. My stand-offs touch the fpv bracket.
Yeah, the problem is most people forget to update the motor quantity to 4, but defaulting to 4 causes issues when motors come in a pack of 4. Some motors come with really long wires, like the T-Motor F60, which would probably work in your case.
It looks like you did okay with the space. I prefer 4-in-1 ESCs for the build time savings and simplicity. Were you able to iron out the vibrations with your mods?
I see. I've never tried those motors before.
I was able to get most of the vibrations out. I think getting the FC fully soft mounted will solve it. But to do that, I need a 1 x 4 esc setup. I also suspect that the esc is outputting too much electrical noise too close to the FC. It's using 18guage wires, so (according to my OSD) I can only push 56 amps out of the full 80, but it still starts shaking at 40% throttle. It just sucks cause I can't really tune it unltil I iron it out.
Did you try adjusting your PIDs? I just looked up your FC and it does use an MPU6050 which might require soft mounting, but you should definitely try lowering your P values to see if a software solution doesn't work. What version of Betaflight are you running? The newest version does a great job of ignoring vibrations. I wouldn't go as far as replacing your ESCs until you've eliminated all other options.
Yeah. Lowering P was the 1st thing I did. I went as low as 1/4 of the default betaflight 3.1 settings with D at 0 which made it fly like a semi. I still got vibrations at 40% so bad I couldn't see anything. I even asjusted the lowpass filter without luck. I realized later that about 90% of the vibrations were on the yaw axis. That's when I started soft mounting. I even did the motors even though they were extremely silent when I ran the tests.
Okay, it sounds like you've taken the necessary steps. Too bad they put an MPU6050 on that board. I don't know why they couldn't just use a 6000. Good luck getting that FC isolated!
Yeah. The sensitivity issue sucks. I'll update with any changes.
Thanks.
Hey. So I swapped the 4-in-1 Racerstar 20A to 4 DYS XSD20A. The Quad is now smooth with the Racerstar 5042, but gets mid-throttle oscillations with the Kingkong 5040s. It seems I've reversed the effects of the props, but there are now no vibrations at all with my current setup, so It's better I guess.
Were you able to soft mount the FC as well? Have you tried some more popular props like the Dal Cyclones?
I was able to get the FC soft mounted, but I may need some better dampers. I just used the rubber o-rings instead of the rubber damping standoffs. I'm getting some of those soon to see what kind of effect that'll have. To make bad worse, I also managed to bend my front right 4mm motor arm up by about 10° by running into a tree during an over-under. Doesn't sound too bad until you realize they don't sell spares, so I have to purchase the full frame.
I do have a set of Cyclones to try. I think I'll give them a shot today, but with the bent arm, It won't really make much sense until I get it fixed/replaced. There is very little vibration with the Racerstar props + the bent arm, so I'll keep using those until I get everything tip top.
At least the arm pieces are the same, so if you buy a new frame you'll have another spare set of arms.
So I tried the Cyclones (first time ever). It jitters a bit less than the Racerstar, but they feel silky smooth and extremely responsive. I've been sitting on them and wasn't going to use them until I got the vibrations sorted out. Now I wish I had been using them all along.