Why Rockets Fail
Most rocket failures don't begin when you press the launch button. They start weeks earlier — a rushed assembly, a loose connector, or those four famous words...
Diagnosing Problems • Building Better Rockets • Flying Higher
Real rockets. Real knowledge. Real people.
The Rocket Doctor is your go-to source for high-power rocketry know-how —
a newsletter, articles, and video series by Dr. John Heintzelman,
President of Tripoli Vegas and founder of StratoForge NV.
There's a moment every rocketeer knows. The rocket is on the rail, the range is clear, and months of work are about to be tested in a matter of seconds. That's what makes this hobby incredible.
The Rocket Doctor is here to help you build smarter, solve problems, and become a better, safer rocketeer. We'll talk about the wins, the failures, and everything in between — because some of the best lessons come from figuring out what didn't work.
Whether you're prepping for your L1, optimizing a dual-deploy system, or chasing a personal altitude record, you'll find something here.
“If something looks questionable on the ground, it won't magically improve at Mach 1.”
Why rockets fail — and how to prevent it. Real failure analysis, real solutions, real lessons.
Hands-on construction tips, preflight checklists, and the techniques that separate clean builds from "it should be fine."
What actually happens after liftoff — the physics of flight, stability, drag, and why your sim numbers matter.
Follow a build from workbench to launch rail. Construction, electronics, sims, flight prep, and lessons learned.
The people, clubs, STEM programs, and community that make high-power rocketry something special.
Your questions, real answers. Construction, recovery, electronics, certification — send it in.
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Most rocket failures don't begin when you press the launch button. They start weeks earlier — a rushed assembly, a loose connector, or those four famous words...
A quick rundown of the essentials that can save your rocket — and your day. Recovery, electronics, structure, motor, and simulation.
From ignition to recovery, a lot happens in just a few minutes. We break down each phase of flight and why data and sims matter.
Run your flight profile before you hit the pad. 721 certified motors, stability analysis, dual-deploy planning, and cert-prep tools — free to use.
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