[Richard] does say making larger rocket engines out of 2 or 3-inch PVC may not make much sense due to the increased chamber pressures. There is a fairly clever reinforcement method for these PVC ...

It turns out that old newsprint can be a bit explosive; at least when it’s combined with the proper ingredients. [Markus Bindhammer] worked out a way to make solid rocket propellant from newspaper.

NightHawkInLight Make A Hybrid Rocket Engine With Pasta, Hydrogen Peroxide, And Yeast Posted: March 27, 2025 | Last updated: March 27, 2025 Most simple rockets use a solid fuel engine which, once ...

“If the engine falls just shy of delivering the thrust we’re aiming for, we’ll need to get creative with how we cut weight elsewhere on the rocket to make sure it can still reach ...