Support my work!

I would highly recommend you buy This Kit if you don't have it already. It's useful not only in this project but almost all other things you build and it can save you from a lot of pain. I bought a kit like this and I have used it in almost every project I have made.

If you are into RC like me, I would also recommend these rechargeable batteries. It's great because whenever your controller runs out of battery you can just recharge them with a USB port. That means you can charge them from a computer, from a car or simply a regular wall adapter for phones. Much more convenient than going to the store to purchase new batteries and also more environmentally friendly.

Description

A tested and working way to control the torque of a 70 mm EDF! It uses a servo for turning a large gear, which then turns plates inside the torque control module. This causes the air to spin i different directions and creates torque. The design is modular and uses bolts to secure different modules so it can be costumized for your needs.

The story behind it

The initial Idea was to build a rocket just like the falcon 9 (Space X) that could go up, hover, then land all by itself. And I actually got pretty far. I made a VR simulation world where I could put on a VR-headset and step into a place where I could test the rocket. I used it to make sure all the software worked before trying it in the real world and it worked perfectly fine. It could hover and accept coordinates telling it where to go and it would use the thrust vectoring nozzle to go there.

One very important thing to keep in mind when making a simulation, is to make it as realistic as possible. In my case, I had a rocket body with a thrust vectoring nozzle that could be controlled just the way it would be in real life. It could tilt in two axis and apply different amounts of throttle in order to vary the force being produced. Also noise is added to the servos to mimic real ones and when changing the thrust the force does not change immediately. Instead it takes a small amount of time for the virtual motor to spin up just like in real life. The rocket even had moving landing gear with built in suspension.

All of this made the simulation very realistic and it was a challange to make it hover with stability. However, using clever software and mathematics I was able to turn my Idea into a working proof of concept by making the simulated rocket work.

Ideas for Use Cases

• Electric Rockets
• Single EDF UAV
• Airplane

Other projects!

• Swiff RC Three Wheeler
  

• MiniBird 130 Quadcopter
  

• Carbon Fiber Bicopter
  

_{^{Made by Oliver Midbrink}}