sustainer

Hello Everyone, I am with a university rocketry team and we are aiming to build a high-power, minimum diameter, two-stage rocket. The plan is to first make the first stage as a stand-alone rocket to test it, then build the second stage and launch the whole stack. After some research, I have...

Head-End Ignition: A Successful Method This is a basic description of the method I used for head-end ignition (HEI) on my recent two-stage flight. My method proved successful, I think, but please don’t blame me if you try this and get different results. I present it here purely for your...

I am currently pondering some ignition for a sustainer running a CTI M2020 motor. Would somebody please measure the core diameter (at the top end, if it matters) for me? I will let you in on what I am thinking when my ideas are a little less nebulous and a little more on CAD. Thanks :)

The "up" portion of my two-stage flight this weekend went exceedingly well. 3" airframe, AT K400 DMS booster to AT 38/600 i435 RMS in the sustainer to 8,184 feet. The "down" portion was marred by booster buring in ballistically. On-board sustainer video shows clean desperation in just two frames...