Understanding Converging and Diverging Rocket Nozzles

This video provides some interesting information on the rocket nozzle.

I always thought the view of mach diamonds during a rocket motors performance as a good thing.



Good Checklist ideas for a rocket launch day

I was lucky to have has a successful flight with the Rosenfield Aerospace 3 D printed fin can system.  It is a 3.0-inch diameter 3D printed fin and tail-cone system. The rocket was launched on a 38mm Aerotech H130W-M reload and it was a picture-perfect flight:

The rocket was light and gained some good altitude.

It is always a good idea to have a checklist. Especially when preparing for a day or a weekend for a rocket launch. Here are a few ideas:


Good historical information about Hybrid Rocket Technology

On the following link: https://drive.google.com/file/d/1iD0MSbImzfuDgTwIEEF-5J8sLAtTchEQ/view?usp=sharing

Pages 68-71 has a good chronology about hybrid rocketry and how the hobby of rocketry became involved with this technological capability.

A great resource for rocket contest data: http://georgesrockets.com/GRP/GRP-home.htm