Hey there, I had to fly my drone today and I am sooo happy. It powered by 2200 mah 3 s battery with 2210 1000kv motors and analog camera, mark 9 inch frame.

I am not sure though if I picked optimal components for it, my friend that flew with me had a little smaller drone powered by 6S and half of my batter capacity, but somehow even under very aggressive flying his flight time was 6-8 mins compared to my 4-5 mins.

So I was curious of higher S batteries are more efficient and i should consider switching to them. Please leave me an advice in the comments. Would deeply appreciate your opinion.

Added a high-voltage spark generator to my 5 inch FPV drone, controlled via ELRS & ESP32

the original goal was just learning high-voltage circuits and building a basic arc generator. It eventually evolved into this drone mod as a fun experiment. Just a hobbyist learning project, keeping it safe in the workshop!

Hey everyone, I'm working on a transforming drone project and could really use a sanity check on a mechanical design since my background isn't in ME. I'm trying to figure out the best way to physically implement a specific wheel thruster assembly.

The basic idea is that the outer wheel needs to be driven by a timing belt and pulley setup, but right in the center of this wheel, there needs to be a BLDC flight motor that stays completely stationary while the outer wheel spins around it. On top of that, the three phase wires for that inner BLDC motor need to pass directly through the center of the wheel assembly and route back into the main chassis without twisting or getting tangled when the robot drives on the ground.

I understand the rough concept of keeping the core fixed while the rim spins, but I'm struggling to picture the exact mechanical stack on how to implement it. How would you guys go about implementing this in CAD? Something like these pictures.

Pictures are from ATMO research paper.

I really struggled with a mounts cuz the frame I used was very different from once on the internet. I had to use rulers to measure every detail and that was super inefficient.

Any better ways?

This is a guy from the ”goofy first drone build” post.

Decided that this goofy flip also belongs here.

How do you think I did for the first 5 inch and first build