The 2018 FNL Team posing in front of their rocket. The debut Trailblazers' rocket was a 5.5" diameter rocket with a K-class motor. Affectionately named Big Chungus, this rocket reached a peak height ...

[zortness] built this for a 4″ diameter rocket, but he says it might fit in a 3″ rocket. We just can’t wait to see some videos of it in action.

From the bottom, its 3.8-meter-diameter rocket body accommodates four engines, each with a thrust of 1,250 kilonewtons. These engines are innovative liquid oxygen-kerosene engines with post-pump ...

which is the country's first single-core liquid carrier rocket with a diameter of 3.8 meters, will gradually replace China's older 3.35-meter diameter series. With better reliability in attitude ...