aspire

My first question regards the next rocket I plan to build, which is the Estes Star Orbiter. I am going to modify it into a two stage rocket, the booster stage being 3D printed. And I will use an Estes F15-0 and an F15-8. If the projected altitude with one engine is around 1800 feet, how high...

I put together a video of my third and final attempt to launch a supersonic Apogee Aspire. I guess transonic is *technically* the most accurate description but supersonic has a better ring to it! I lost the rocket in tall grass, and therefore lost the altimeter, but I found I could do a lot...