How to Determine the Amount of Ejection Charge for a High-Power Model Rocket

When you start flying large diameter rockets, and you are setting up dual deployment charges, the common question is how much black-powder do you need to ensure a successful deployment? How do you go about calculating the size of the black powder charge? In this video, we'll cover these questions, as well as things like the different types of grain size for black powder, and where you will purchase it. We'll also talk about ground testing your deployment charges, and what constitutes a successful ground test. Shear pins: https://www.apogeerockets.com/Buildin...