NanoTri Mini Tricopter

thingiverse

The formatting appears terrible for me on here, please read the BOM and instructions here: https://rotorbuilds.com/build/23769 My attempt at designing my own 1S whoop-sized tricopter for 36mm AIO boards is called the NanoTri. This project was born from my [failed brushless concept](https://www.thingiverse.com/thing:4287700). Weighing in at 21 grams sans camera, it was tricky to tune but turned out surprisingly well once I based some of my numbers off [1Smug_Bastard's tune](https://www.thingiverse.com/thing:3639210). Flight video: https://youtu.be/wOOk2oe6Thc This project is still in development, but I'm happy enough with the flight characteristics to post it now while I do some fine-tuning. Fusion360 tells me I've gone through 13 iterations, most centered on the tail and tail servo. The way the tail servo is designed took inspiration from the [impossible tilt mechanism](https://www.thingiverse.com/thing:1035497) as well as David Windestahl's on the Baby Tricopter. The original idea was to make a whoop tricopter, though that may have to wait for a carbon-fiber version, as the cowls were incredibly heavy. I'm currently using a 1.7g low-voltage servo operating at 333 pwm; I'm looking into a small BEC for it since running it off the onboard BEC is not ideal. A viable alternative would be to connect it to the battery with a decoupling cap, which I plan to try as well. While I don't have an FPV camera on this yet, that was always the intention; the FC has VTX and there are tons of camera mounts for 36x36 FC boards on Thingiverse. Next steps (after the camera) are to probably get this fabbed out of carbon fiber and then perhaps explore a 2s ducted build. I have some extra Tina Whoop ducts, maybe that's the direction I should go. I've been tweaking this for the past week and I've ironed a few things out, but my final design is too heavy. I uploaded an intermediary design "Main Bodyv17.zip" - it's still a little heavier, but it fixes a few issues. You can use this design and turn the FC 90 degrees to avoid having to splice the servo wire onto the tail motor, and the tail motor mount is a little deeper than before - which has better characteristics.