We’ve never seen a liquid-fuel rocket build before, so that’s what this roundup evolved into. First up is [Robert Watzlavick], who has been has been building liquid fueled engines for the last ...

The fuel burns, but the wick material doesn’t. The copper part is actually concentric with a 3/4-inch pipe mostly enclosing a 1/2-inch pipe. The inner pipe extends further, and there are several ...

That is more than four times as powerful as the liquid fuel engine on the Long March 5, the largest launch vehicle in China’s space programme at present. With its high mobility and near-instant ...

On a warm day, liquid gasoline in a tank expands slightly ... It runs fine once it’s started because the old fuel burns good after the engine is warmed up enough to volatilize the stale fuel ...

This liquid rocket fuel becomes magnetised when near a magnetic field. So it dances and morphs when magnets are moved around it. It is called ferrofluid and it was invented by NASA's Steve Papell ...

For nearly a year, SpaceX has been trying out something new: super-cooling the liquid oxygen (LOX) which is a key ingredient in rocket fuel. It's called deep-cryo LOX, and the idea has been around ...