One of his more interesting builds is his series on building rocket engines out of PVC pipe written in conjunction with [Chuck Knight]. For the propellent grains, the PVC rocket didn’t use the ...

One just launched the world’s biggest rocket, with mixed success. The other makes small model rockets for hobbyists, and it's stockpiling supplies ahead of Trump's tariffs.

[Joe Barnard] is working on a model rocket that can land vertically under its own power, like the Falcon 9 ... but suffered from high friction forces during release, and the integrated covers ...

It operated for approximately 100 seconds before a standard power ... methane engine test was conducted on a vertical dual-station test stand for the high-thrust hydrogen-oxygen rocket engine ...