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Red_Sand_Robot

Hoverquad R - IAM3D 2019

by Red_Sand_Robot Jun 14, 2019
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Damn you guys had to all split that giant check for $250.00!
HAHA.
Awesome build!

Beautiful invention! Great work:)

BTW can it hover on water?

Are you going to implement yaw stabilizer with using the gyro sensor? Could be much cleaner control if the vehicle maintains given yaw direction by itself with PID tunes. Just like ACRO mode in racing/freestyle quadcopters, if they are familiar to you.

We were planning on it but did not have time to properly use the gyro sensor. If you were to build your own version of this vehicle it might be better to use an off the shelf flight controller, since all the stability features are more likely to be programmed in.

Hello,

I was wondering if you had an ETA for the parts list?

I put a rough BOM in the details section, or are you looking for quantities of the printed parts?

Since it said rough BOM, I wasn't sure if it was complete and the notes still indicated a complete parts list was pending. I'm fairly sure I can figure out which printed parts are needed. Are all of the non-printed parts that are needed in the rough BOM?

I probably should clean up the rough BOM and make it look more presentable - but yes, it should be all there, except for 12 30mm M3 bolts I believe. I would cross reference the CAD files just to double check.

The NRF24 wasn't actually implemented properly and isn't needed; it was planned for that to be used for a real time monitoring of battery drain, motor power, etc, but our team didn't have time to code that. The FrSky receiver is only needed if you're using an FrSky controller.

It also might be better to use an off the shelf flight controller instead of using an Arduino Mega and shield. Our shield was custom, and the team member that designed the PCB and programmed it is still working on creating a Github repository for it.

Awesome. Thanks for the info!

what size motors did you use? Im guessing 1106 in the pods and 2206 in the top fans?

We used Racerstar BR2205 2300KV motors for the propulsion and lift. We had to limit the lift motors to about 30-40% of their rated RPM due to issues with back pressure.

https://m.banggood.com/4X-Racerstar-Racing-Edition-2205-BR2205-2300KV-2-4S-Brushless-Motor-For-QAV250-ZMR250-RC-Drone-FPV-Racing-p-1066837.html?rmmds=search

A lower KV rated motor for the lift pods might have been better (more torque), but we wanted to limit variables in our design so we stuck with one type for everything.

I think you could have used a inav flashed flight controller from the rc hobby way easier. I think I might try but it is way cooler using the ard board,

I agree it would be way easier and simplified with a betaflight/inav capable board. Easy to make custom firmware ... no need to reinvent the wheel

There might have been a more off-the-shelf controller board we could have used, but our electrical team member wanted to showcase his programming and PCB design skills. He is currently preparing a simplified version of the code and PCB schematics so that anyone could order a shield and upload code to get the vehicle up and running.