With the remote control at your fingertips, you are the only one to decide when and if the parachute should deploy. Ideally, in a very large open field, you can wait until after apogee to deploy the parachute. Depending on wind conditions, you can decide yourself at what height the parachute has to open. This way, you are able to determine for yourself how many
servo - schematic

calories you want to burn chasing and retrieving the drifting rocket. Even when there is only one single tree in sight, we all know by experience that trees are rocket magnets and that your rocket will end up dangling in that tree top. When you see the rocket heading towards the tree upon descent, you may decide to NOT deploy the parachute by forcing away your finger tip from the remote control button. The easiest way to implement remote control is to use a commercially available transmitter / receiver combination. This may be the standard remote control from a plane or car if you are a RC enthousiast already. However, when using the standard hobby RC equipment, keep in mind that the range between your transmitter on the ground and the rocket may be well over 100 meters. One big advantage is that you should normally have a direct view path to the receiver in the rocket. Unless you are launching somewhere in the middle of the city center, which is not the best place. When you are not in the RC hobby yet (as in my case) and want to build a remote control deployment for your rocket anyway, this could be the solution for you. All you need are basic electronic skills like soldering and maybe measuring a voltage. The electronics are kept as simple as possible with no exotic components involved. If you are still interested, get yourself a bottle of your favourite regional beer and settle down. For the remote control transmitter /...

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