Or with an electovanne (solenoid )like rc retract train systems? Peurhaps a better one. I could launch it with my phone with an app. It could be funny and easy to do

Thanks this is a really good answer i didn't know the GGDT! I am going to study this.

Do you think that I ca use Paintball accessories to do it? A bottle, a regulator to fill the chamber and a trigger system ? Like that I have just to do the chamber and the cannon

So the plane is like a rocket with a foldable wing (turn from 0° to 90°). I want to launch it from a tube which is also the tube to transport it. Mass: 1.3 kg I need to have a speed after launch which is 70km/h because the minimum speed is 65 km/h. After I have actually 1.7kg of thrust on the propel...

Hi, i have an RC plane and I want to do this: My plane wheight is 1.5kg and I need to fly at first between 70 to 100 Km/h (the wings are small and it is a speed model really hard to launch by hand) Do you have any idea about that. I know that I need the bottle but i don't know what type of valve i c...