Propulsion
We generally don’t encourage building your own rocket motors unless you’re working with a mentor or engineer who can help steer you in the right direction. For safety reasons, we don’t discuss homemade rocket motors here. If you’re interested in doing this, I recommend checking out the Rocketry subreddit https://www.reddit.com/r/rocketry/
— BPS Space Discord Rule 3a
Software
- OpenMotor - useful for design and validation of engines
Books
- Rocket Propulsion Elements by George Stutton